Merge branch 'master' into AsyncResourceLoad

# Conflicts:
#	include/Engine/Rendering/RawModel.h
#	src/Engine/Rendering/RenderQueueFactory.cpp

README.md

@@ -1,16 +1,17 @@
 #### Bundled libraries
 Libraries bundled along with binaries for Windows (MSVC14), available as a submodule in the *deps* directory of the source tree.
 
-| Project                                                       | Version      | License                                                                                                                                                                            |
-| ------------------------------------------------------------- | ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| **[GLFW](http://www.glfw.org)**                               | 3.1.2        | [zlib/libpng License](http://www.glfw.org/license.html)                                                                                                                            |
-| **[GLM](http://glm.g-truc.net/0.9.5/index.html)**             | 0.9.7.1      | [MIT License](http://glm.g-truc.net/copying.txt)                                                                                                                                   |
-| **[GLEW](http://glew.sourceforge.net)**                       | 1.13.0       | [Modified BSD License](http://glew.sourceforge.net/glew.txt), [Mesa 3-D License](http://glew.sourceforge.net/mesa.txt), [Khronos License](http://glew.sourceforge.net/khronos.txt) |
-| **[Assimp](http://assimp.sourceforge.net)**                   | 3.1.1        | [BSD 3-Clause License](http://assimp.sourceforge.net/main_license.html)                                                                                                            |
-| **[zlib](http://www.zlib.net)**                               | 1.28         | [zlib License](http://www.zlib.net/zlib_license.html)                                                                                                                              |
-| **[libpng](http://www.libpng.org/pub/png/libpng.html)**       | 1.6.19       | [libpng License](http://www.libpng.org/pub/png/src/libpng-LICENSE.txt)                                                                                                             |
-| **[Xerces-C++](https://xerces.apache.org/xerces-c)**          | 3.1.2        | [Apache License Version 2.0](https://www.apache.org/licenses/LICENSE-2.0)                                                                                                          |
-| **[ImGui](https://github.com/ocornut/imgui)**                 | 2015-12-12   | [MIT License](https://github.com/ocornut/imgui/blob/de3a154f3801de22c8e0bd2aeabf663a70c05972/LICENSE)                                                                              |
+| Project                                                          | Version      | License                                                                                                                                                                            |
+| ---------------------------------------------------------------- | ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| **[GLFW](http://www.glfw.org)**                                  | 3.1.2        | [zlib/libpng License](http://www.glfw.org/license.html)                                                                                                                            |
+| **[GLM](http://glm.g-truc.net/0.9.5/index.html)**                | 0.9.7.1      | [MIT License](http://glm.g-truc.net/copying.txt)                                                                                                                                   |
+| **[GLEW](http://glew.sourceforge.net)**                          | 1.13.0       | [Modified BSD License](http://glew.sourceforge.net/glew.txt), [Mesa 3-D License](http://glew.sourceforge.net/mesa.txt), [Khronos License](http://glew.sourceforge.net/khronos.txt) |
+| **[Assimp](http://assimp.sourceforge.net)**                      | 3.1.1        | [BSD 3-Clause License](http://assimp.sourceforge.net/main_license.html)                                                                                                            |
+| **[zlib](http://www.zlib.net)**                                  | 1.28         | [zlib License](http://www.zlib.net/zlib_license.html)                                                                                                                              |
+| **[libpng](http://www.libpng.org/pub/png/libpng.html)**          | 1.6.19       | [libpng License](http://www.libpng.org/pub/png/src/libpng-LICENSE.txt)                                                                                                             |
+| **[Xerces-C++](https://xerces.apache.org/xerces-c)**             | 3.1.2        | [Apache License Version 2.0](https://www.apache.org/licenses/LICENSE-2.0)                                                                                                          |
+| **[ImGui](https://github.com/ocornut/imgui)**                    | 2015-12-12   | [MIT License](https://github.com/ocornut/imgui/blob/de3a154f3801de22c8e0bd2aeabf663a70c05972/LICENSE)                                                                              |
+| **[nativefiledialog](https://github.com/mlabbe/nativefiledialog) | 2016-01-08   | https://github.com/mlabbe/nativefiledialog/blob/master/LICENSE                                                                                                                     |
 
 #### External libraries
 Libraries that are too big to be bundled with the project.

include/Engine/Core/ComponentInfo.h

@@ -12,9 +12,17 @@ struct ComponentInfo
         unsigned int Stride = 0;
 	};
 
+    struct Field_t
+    {
+        std::string Name;
+        std::string Type;
+        unsigned int Offset;
+        unsigned int Stride;
+    };
+
 	std::string Name;
-	std::unordered_map<std::string, std::string> FieldTypes;
-	std::unordered_map<std::string, unsigned int> FieldOffsets;
+    std::unordered_map<std::string, Field_t> Fields;
+    std::vector<std::string> FieldsInOrder;
 	Meta_t Meta;
     std::shared_ptr<char> Defaults = nullptr;
 };

include/Engine/Core/ComponentWrapper.h

@@ -21,7 +21,7 @@ struct ComponentWrapper
     template <typename T>
     T& Property(std::string name)
     {
-        unsigned int offset = Info.FieldOffsets.at(name);
+        unsigned int offset = Info.Fields.at(name).Offset;
         return *reinterpret_cast<T*>(&Data[offset]);
     }
 
@@ -78,8 +78,9 @@ public:
     void AddProperty(std::string fieldName, T defaultValue)
     {
         m_DefaultValues.push_back(defaultValue);
-        m_ComponentInfo.FieldTypes[fieldName] = typeid(T).name();
-        m_ComponentInfo.FieldOffsets[fieldName] = m_ComponentInfo.Meta.Stride;
+        m_ComponentInfo.Fields[fieldName].Name = typeid(T).name();
+        m_ComponentInfo.Fields[fieldName].Offset = m_ComponentInfo.Meta.Stride;
+        m_ComponentInfo.Fields[fieldName].Stride = sizeof(T);
         m_ComponentInfo.Meta.Stride += sizeof(T);
     }
     

include/Engine/Core/EPlayerDamage.h

@@ -0,0 +1,20 @@
+#ifndef EPlayerDamage_h__
+#define EPlayerDamage_h__
+
+#include "EventBroker.h"
+#include "../Core/Entity.h"
+
+namespace Events
+{
+
+struct PlayerDamage : Event
+{
+    double DamageAmount;
+    EntityID PlayerDamagedID;
+    //optional TypeOfDamage
+    std::string TypeOfDamage;
+};
+
+}
+
+#endif

include/Engine/Core/EPlayerDeath.h

@@ -0,0 +1,20 @@
+#ifndef EPlayerDeath_h__
+#define EPlayerDeath_h__
+
+#include "EventBroker.h"
+#include "../Core/Entity.h"
+
+namespace Events
+{
+
+struct PlayerDeath : Event
+{
+    //KilledBy,KilledByWhat is optional for now. It might be used later in the playerlog-system
+    EntityID KilledBy;
+    EntityID PlayerID;
+    std::string KilledByWhat;
+};
+
+}
+
+#endif

include/Engine/Core/EPlayerHealthPickup.h

@@ -0,0 +1,18 @@
+#ifndef EPlayerHealthPickup_h__
+#define EPlayerHealthPickup_h__
+
+#include "EventBroker.h"
+#include "../Core/Entity.h"
+
+namespace Events
+{
+
+struct PlayerHealthPickup : Event
+{
+    double HealthAmount;
+    EntityID PlayerHealedID;
+};
+
+}
+
+#endif

include/Engine/Core/Entity.h

@@ -2,5 +2,6 @@
 #define Entity_h__
 
 typedef unsigned int EntityID;
+const static unsigned int EntityID_Invalid = -1;
 
 #endif

include/Engine/Core/EntityFile.h

@@ -0,0 +1,293 @@
+#ifndef EntityFile_h__
+#define EntityFile_h__
+
+#include <stack>
+#include <boost/lexical_cast.hpp>
+#include <xercesc/util/XercesDefs.hpp>
+#include <xercesc/util/PlatformUtils.hpp>
+#include <xercesc/sax2/SAX2XMLReader.hpp>
+#include <xercesc/sax2/XMLReaderFactory.hpp>
+#include <xercesc/sax2/DefaultHandler.hpp>
+#include <xercesc/sax2/Attributes.hpp>
+#include <xercesc/util/XMLString.hpp>
+#include <xercesc/util/XMLChar.hpp>
+#include <xercesc/sax2/DefaultHandler.hpp>
+#include <xercesc/framework/XMLDocumentHandler.hpp>
+#include <xercesc/framework/psvi/XSElementDeclaration.hpp>
+#include <xercesc/framework/psvi/XSComplexTypeDefinition.hpp>
+#include <xercesc/framework/psvi/XSParticle.hpp>
+#include <xercesc/framework/psvi/XSModelGroup.hpp>
+#include <xercesc/framework/psvi/XSAnnotation.hpp>
+#include <xercesc/framework/psvi/XSValue.hpp>
+#include <xercesc/framework/XMLGrammarPoolImpl.hpp>
+#include <xercesc/dom/DOM.hpp>
+#include <xercesc/dom/DOMLSInput.hpp>
+#include <xercesc/dom/DOMElement.hpp>
+
+#include "../GLM.h"
+#include "Util/XercesString.h"
+#include "ResourceManager.h"
+#include "Entity.h"
+#include "ComponentInfo.h"
+
+class EntityFileHandler
+{
+    friend class EntityFileSAXHandler;
+public:
+    // @param EntityID The entity found
+    // @param EntityID The parent of the entity
+    typedef std::function<void(EntityID, EntityID, const std::string&)> OnStartEntityCallback;
+    void SetStartEntityCallback(OnStartEntityCallback c) { m_OnStartEntityCallback = c; }
+    // @param EntityID The entity the component corresponds to
+    // @param std::string Type name of the component
+    typedef std::function<void(EntityID, const std::string&)> OnStartComponentCallback;
+    void SetStartComponentCallback(OnStartComponentCallback c) { m_OnStartComponentCallback = c; }
+    // @param EntityID Entity 
+    // @param std::string Component name 
+    // @param std::string Field name
+    // @param std::map<std::string, std::string> Field attribute names and values
+    typedef std::function<void(EntityID, const std::string&, const std::string&, const std::map<std::string, std::string>&)> OnStartFieldCallback;
+    void SetStartFieldCallback(OnStartFieldCallback c) { m_OnStartFieldCallback = c; }
+    // @param EntityID Entity 
+    // @param std::string Component name 
+    // @param std::string Field name
+    // @param char* Field data
+    typedef std::function<void(EntityID, const std::string&, const std::string&, const char*)> OnStartFieldDataCallback;
+    void SetStartFieldDataCallback(OnStartFieldDataCallback c) { m_OnStartFieldDataCallback = c; }
+
+private:
+    OnStartEntityCallback m_OnStartEntityCallback = nullptr;
+    OnStartComponentCallback m_OnStartComponentCallback = nullptr;
+    OnStartFieldCallback m_OnStartFieldCallback = nullptr;
+    OnStartFieldDataCallback m_OnStartFieldDataCallback = nullptr;
+};
+
+class EntityFileSAXHandler : public xercesc::DefaultHandler
+{
+public:
+    enum class State
+    {
+        Unknown,
+        Entity,
+        Component,
+        ComponentField
+    };
+
+    EntityFileSAXHandler(const EntityFileHandler* handler, xercesc::SAX2XMLReader* reader)
+        : m_Handler(handler)
+        , m_Reader(reader)
+    {
+        // 0 is imaginary world entity
+        m_EntityStack.push(0);
+        m_StateStack.push(State::Unknown);
+    }
+
+    void startElement(const XMLCh* const _uri, const XMLCh* const _localName, const XMLCh* const _qname, const xercesc::Attributes& attrs) override
+    {
+        std::string name = XS::ToString(_localName);
+
+        if (m_StateStack.top() == State::Unknown || m_StateStack.top() == State::Entity) {
+            if (name == "Entity") {
+                m_StateStack.push(State::Entity);
+                onStartEntity(attrs);
+                return;
+            }
+            if (name == "EntityRef") {
+                onStartEntityRef(attrs);
+                return;
+            }
+        }
+
+        std::string uri = XS::ToString(_uri);
+        if (m_StateStack.top() == State::Entity) {
+            if (uri == "components") {
+                m_StateStack.push(State::Component);
+                onStartComponent(name);
+                return;
+            }
+        }
+        
+        if (m_StateStack.top() == State::Component) {
+            m_StateStack.push(State::ComponentField);
+            onStartComponentField(name, attrs);
+            return;
+        }
+    }
+
+    void characters(const XMLCh* const chars, const XMLSize_t length) override
+    {
+        if (m_StateStack.top() == State::ComponentField) {
+            char* transcoded = xercesc::XMLString::transcode(chars);
+            onFieldData(transcoded);
+        }
+    }
+
+    void endElement(const XMLCh* const _uri, const XMLCh* const _localName, const XMLCh* const _qname) override
+    {
+        std::string name = XS::ToString(_localName);
+        if (m_StateStack.top() == State::Entity) {
+            if (name == "Entity") {
+                m_StateStack.pop();
+                onEndEntity();
+                return;
+            }
+        }
+        
+        std::string uri = XS::ToString(_uri);
+        if (m_StateStack.top() == State::Component) {
+            //if (uri == "components") {
+                m_StateStack.pop();
+                onEndComponent(name);
+                return;
+            //}
+        }
+
+        if (m_StateStack.top() == State::ComponentField) {
+            m_StateStack.pop();
+            onEndComponentField(name);
+            return;
+        }
+    }
+
+    void fatalError(const xercesc::SAXParseException& e) 
+    {
+        XS::ToString s(e.getMessage());
+        LOG_ERROR("SAXParseException: %s", ((std::string)s).c_str());
+        //throw e;
+    }
+
+private:
+    const EntityFileHandler* m_Handler;
+    xercesc::XMLGrammarPool* m_GrammarPool;
+    xercesc::SAX2XMLReader* m_Reader;
+    //State m_CurrentScope = State::Unknown;
+    std::stack<State> m_StateStack;
+    unsigned int m_NextEntityID = 0;
+    std::stack<EntityID> m_EntityStack;
+    std::string m_CurrentComponent;
+    std::string m_CurrentField;
+    std::map<std::string, std::string> m_CurrentAttributes;
+
+    void onStartEntity(const xercesc::Attributes& attrs) 
+    {
+        EntityID parent = m_EntityStack.top();
+
+        if (m_Handler->m_OnStartEntityCallback) {
+            std::string name;
+            auto xName = attrs.getValue(XS::ToXMLCh("name"));
+            if (xName != nullptr) {
+                name = XS::ToString(xName);
+            }
+            m_Handler->m_OnStartEntityCallback(m_NextEntityID, parent, name);
+        }
+
+        m_EntityStack.push(m_NextEntityID);
+        m_NextEntityID++;
+    } 
+    void onEndEntity()
+    {
+        m_EntityStack.pop();
+    }
+    void onStartEntityRef(const xercesc::Attributes& attrs)
+    {
+        std::string path = XS::ToString(attrs.getValue(XS::ToXMLCh("file")));
+        
+        xercesc::SAX2XMLReader* parser = xercesc::XMLReaderFactory::createXMLReader();
+        parser->setContentHandler(this);
+        parser->setErrorHandler(this);
+        parser->parse(path.c_str());
+        delete parser;
+    }
+    void onStartComponent(const std::string& name)
+    {
+        //LOG_DEBUG("    Component: %s", name.c_str());
+        m_CurrentComponent = name;
+        if (m_Handler->m_OnStartComponentCallback) {
+            m_Handler->m_OnStartComponentCallback(m_EntityStack.top(), name);
+        }
+    }
+    void onEndComponent(const std::string& name) { }
+    void onStartComponentField(const std::string& field, const xercesc::Attributes& attrs) 
+    {
+        //LOG_DEBUG("        Field: %s", field.c_str());
+        m_CurrentField = field;
+        m_CurrentAttributes.clear();
+        for (int i = 0; i < attrs.getLength(); i++) {
+            auto name = attrs.getQName(i);
+            auto value = attrs.getValue(name);
+            //LOG_DEBUG("            %s = %s", (char*)XS::ToString(name), (char*)XS::ToString(value));
+            m_CurrentAttributes[XS::ToString(name).operator std::string()] = XS::ToString(value).operator std::string();
+        }
+
+        if (m_Handler->m_OnStartFieldCallback) {
+            m_Handler->m_OnStartFieldCallback(m_EntityStack.top(), m_CurrentComponent, field, m_CurrentAttributes);
+        }
+    }
+    void onEndComponentField(const std::string& field) { }
+
+    void onFieldData(char* data)
+    {
+        //LOG_DEBUG("            Data: %s", data);
+
+        if (m_Handler->m_OnStartFieldDataCallback) {
+            m_Handler->m_OnStartFieldDataCallback(m_EntityStack.top(), m_CurrentComponent, m_CurrentField, data);
+        }
+
+        xercesc::XMLString::release(&data);
+    }
+};
+
+class EntityFileXMLErrorHandler : public xercesc::ErrorHandler
+{
+public:
+	void warning(const xercesc::SAXParseException& e) override
+	{
+		reportParseException("Warning", e);
+	}
+	void error(const xercesc::SAXParseException& e) override
+	{
+		reportParseException("Error", e);
+	}
+	void fatalError(const xercesc::SAXParseException& e) override
+	{
+		reportParseException("FATAL ERROR", e);
+	}
+	void resetErrors() override { }
+
+private:
+	void reportParseException(std::string type, const xercesc::SAXParseException& e)
+	{
+		char* message = xercesc::XMLString::transcode(e.getMessage());
+		char* systemID = xercesc::XMLString::transcode(e.getSystemId());
+		std::cerr << systemID << ":" << e.getLineNumber() << ":" << e.getColumnNumber() << std::endl;
+		std::cerr << type << ": " << message << std::endl;
+		xercesc::XMLString::release(&systemID);
+		xercesc::XMLString::release(&message);
+	}
+};
+
+class EntityFile : public Resource
+{
+    friend class ResourceManager;
+private:
+    EntityFile(boost::filesystem::path path);
+    ~EntityFile();
+
+public:
+    static std::size_t GetTypeStride(std::string typeName);
+    static void WriteAttributeData(char* outData, const ComponentInfo::Field_t& field, const std::map<std::string, std::string>& attributes);
+    static void WriteValueData(char* outData, const ComponentInfo::Field_t& field, const char* valueData);
+
+    xercesc::XMLGrammarPool* GrammarPool() const { return m_GrammarPool; }
+
+    void Parse(const EntityFileHandler* handler) const;
+
+private:
+    boost::filesystem::path m_FilePath;
+    xercesc::XMLGrammarPool* m_GrammarPool;
+    xercesc::SAX2XMLReader* m_SAX2XMLReader;
+	//std::map<std::string, ::ComponentInfo> m_ComponentInfo;
+    //std::vector<std::string> m_EntityReferences;
+};
+
+#endif

include/Engine/Core/EntityFileParser.h

@@ -0,0 +1,28 @@
+#ifndef EntityFileParser_h__
+#define EntityFileParser_h__
+
+#include "EntityFile.h"
+#include "World.h"
+
+class EntityFileParser
+{
+public:
+    EntityFileParser(const EntityFile* entityFile);
+
+    void MergeEntities(World* world);
+
+private:
+    const EntityFile* m_EntityFile;
+    EntityFileHandler m_Handler;
+    World* m_World = nullptr;
+    // Maps EntityIDs local to the file to real IDs in the world after they've been 
+    // created in order to resolve parent-child relationships.
+    std::map<EntityID, EntityID> m_EntityIDMapper;
+
+    void onStartEntity(EntityID entity, EntityID parent, const std::string& name);
+    void onStartComponent(EntityID entity, const std::string& component);
+    void onStartComponentField(EntityID entity, const std::string& componentType, const std::string& fieldName, const std::map<std::string, std::string>& attributes);
+    void onFieldData(EntityID entity, const std::string& componentType, const std::string& fieldName, const char* fieldData);
+};
+
+#endif

include/Engine/Core/EntityFilePreprocessor.h

@@ -0,0 +1,36 @@
+#ifndef EntityFilePreprocessor_h__
+#define EntityFilePreprocessor_h__
+
+#include <xercesc/framework/psvi/XSElementDeclaration.hpp>
+#include <xercesc/framework/psvi/XSComplexTypeDefinition.hpp>
+#include <xercesc/framework/psvi/XSParticle.hpp>
+#include <xercesc/framework/psvi/XSModelGroup.hpp>
+#include <xercesc/framework/psvi/XSAnnotation.hpp>
+#include <xercesc/framework/psvi/XSValue.hpp>
+#include <xercesc/framework/MemBufFormatTarget.hpp>
+#include <xercesc/framework/MemBufInputSource.hpp>
+#include <xercesc/parsers/XercesDOMParser.hpp>
+
+#include "Util/XercesString.h"
+#include "ResourceManager.h"
+#include "World.h"
+#include "EntityFile.h"
+
+class EntityFilePreprocessor
+{
+public:
+    EntityFilePreprocessor(const EntityFile* entityFile);
+
+    void RegisterComponents(World* world);
+
+private:
+    const EntityFile* m_EntityFile;
+    std::map<std::string, unsigned int> m_ComponentCounts;
+	std::map<std::string, ComponentInfo> m_ComponentInfo;
+
+	void onStartComponent(EntityID entity, std::string type);
+    void parseComponentInfo();
+    void parseDefaults();
+};
+
+#endif

include/Engine/Core/EntityFileWriter.h

@@ -0,0 +1,39 @@
+#ifndef EntityFileWriter_h__
+#define EntityFileWriter_h__
+
+#include <boost/filesystem.hpp>
+#include <xercesc/dom/DOM.hpp>
+#include <xercesc/util/XMLString.hpp>
+#include <xercesc/util/PlatformUtils.hpp>
+#include <xercesc/framework/LocalFileFormatTarget.hpp>
+
+#include "Util/XercesString.h"
+#include "EntityFile.h"
+#include "World.h"
+
+class EntityFileWriter
+{
+public:
+    EntityFileWriter(boost::filesystem::path file)
+        : m_FilePath(file)
+    {
+        using namespace xercesc;
+        m_DOMImplementation = DOMImplementationRegistry::getDOMImplementation(XS::ToXMLCh("LS"));
+        m_DOMLSSerializer = static_cast<DOMImplementationLS*>(m_DOMImplementation)->createLSSerializer();
+        m_DOMLSSerializer->getDomConfig()->setParameter(XMLUni::fgDOMWRTDiscardDefaultContent, true);
+        m_DOMLSSerializer->getDomConfig()->setParameter(XMLUni::fgDOMWRTFormatPrettyPrint, true);
+    }
+
+    void WriteWorld(World* world);
+    void WriteEntity(World* world, EntityID entity);
+
+private:
+    boost::filesystem::path m_FilePath;
+    xercesc::DOMImplementation* m_DOMImplementation;
+    xercesc::DOMLSSerializer* m_DOMLSSerializer;
+
+    void appendEntityChildren(xercesc::DOMElement* parentElement, const World* world, EntityID entity);
+    void appentEntityComponents(xercesc::DOMElement* parentElemetn, const World* world, EntityID entity);
+};
+
+#endif

include/Engine/Core/EntityXMLFile.h

@@ -1,141 +0,0 @@
-#ifndef EntityXMLFile_h__
-#define EntityXMLFile_h__
-
-#include <sstream>
-
-#include "../Common.h"
-#include "../GLM.h"
-#include <xercesc/dom/DOM.hpp>
-#include <xercesc/dom/DOMLSInput.hpp>
-#include <xercesc/dom/DOMElement.hpp>
-#include <xercesc/framework/Wrapper4InputSource.hpp>
-#include <xercesc/framework/LocalFileInputSource.hpp>
-#include <xercesc/framework/LocalFileFormatTarget.hpp>
-#include <xercesc/framework/MemBufFormatTarget.hpp>
-#include <xercesc/framework/MemBufInputSource.hpp>
-#include <xercesc/sax/HandlerBase.hpp>
-#include <xercesc/util/PlatformUtils.hpp>
-#include <xercesc/util/XMLFloat.hpp>
-#include <xercesc/framework/XMLGrammarPoolImpl.hpp>
-#include <xercesc/parsers/XercesDOMParser.hpp>
-#include <xercesc/framework/psvi/XSElementDeclaration.hpp>
-#include <xercesc/framework/psvi/XSComplexTypeDefinition.hpp>
-#include <xercesc/framework/psvi/XSParticle.hpp>
-#include <xercesc/framework/psvi/XSModelGroup.hpp>
-#include <xercesc/framework/psvi/XSAnnotation.hpp>
-#include <xercesc/framework/psvi/XSValue.hpp>
-#include <xercesc/framework/XMLValidator.hpp>
-
-#include "ResourceManager.h"
-#include "Entity.h"
-#include "ComponentInfo.h"
-class World;
-
-class EntityPreprocessorXMLErrorHandler : public xercesc::DOMErrorHandler
-{
-public:
-	bool handleError(const xercesc::DOMError &e) override
-	{
-		char* message = xercesc::XMLString::transcode(e.getMessage());
-		std::cerr << "Preprocessor DOMError: " << message << std::endl;
-		xercesc::XMLString::release(&message);
-		return false;
-	}
-};
-
-class EntityParserXMLErrorHandler : public xercesc::ErrorHandler
-{
-public:
-	void warning(const xercesc::SAXParseException& e) override
-	{
-		reportParseException("Warning", e);
-	}
-	void error(const xercesc::SAXParseException& e) override
-	{
-		reportParseException("Error", e);
-	}
-	void fatalError(const xercesc::SAXParseException& e) override
-	{
-		reportParseException("FATAL ERROR", e);
-	}
-	void resetErrors() override { }
-
-private:
-	void reportParseException(std::string type, const xercesc::SAXParseException& e)
-	{
-		char* message = xercesc::XMLString::transcode(e.getMessage());
-		char* systemID = xercesc::XMLString::transcode(e.getSystemId());
-		std::cerr << systemID << ":" << e.getLineNumber() << ":" << e.getColumnNumber() << std::endl;
-		std::cerr << type << ": " << message << std::endl;
-		xercesc::XMLString::release(&systemID);
-		xercesc::XMLString::release(&message);
-	}
-};
-
-class XSTR
-{
-public:
-	XSTR(const XMLCh* const xmlString) 
-	{
-		m_AsChar = xercesc::XMLString::transcode(xmlString);
-	}
-
-	XSTR(const char* normalString)
-	{
-		m_AsXMLCh = xercesc::XMLString::transcode(normalString);
-	}
-
-	~XSTR()
-	{
-		if (m_AsChar != nullptr) {
-			xercesc::XMLString::release(&m_AsChar);
-		}
-		if (m_AsXMLCh != nullptr) {
-			xercesc::XMLString::release(&m_AsXMLCh);
-		}
-	}
-
-	operator const char*() const { return m_AsChar; }
-	operator const XMLCh*() const { return m_AsXMLCh; }
-
-private:
-	char* m_AsChar = nullptr;
-	XMLCh* m_AsXMLCh = nullptr;
-};
-
-class EntityXMLFile : public Resource
-{
-	friend class ResourceManager;
-
-private:
-	EntityXMLFile(std::string path);
-
-public:
-    ~EntityXMLFile();
-
-    void PopulateWorld(World* world);
-
-private:
-    static unsigned int InstanceCount;
-
-	std::string m_EntityFile;
-	xercesc::XMLGrammarPool* m_GrammarPool = nullptr;
-	EntityParserXMLErrorHandler* m_ErrorHandler = nullptr;
-	xercesc::XercesDOMParser* m_DOMParser = nullptr;
-	xercesc::DOMDocument* m_DOMDocument = nullptr;
-	std::map<std::string, ComponentInfo> m_ComponentInfo;
-
-    // Preprocesses the entity file to insert include-by-copy child entities
-    // TODO: Make this work in memory instead of saving to file
-    void preprocess(std::string inPath, std::string outPath);
-
-    void parseComponentInfo();
-    void parseDefaults();
-    void predictComponentAllocation();
-    void parseEntityGraph(World* world, xercesc::DOMElement* parent, EntityID parentEntity);
-    std::size_t getTypeStride(std::string typeName);
-    float getFloatAttribute(const xercesc::DOMElement* element, const char* attribute) const;
-    void writeData(const xercesc::DOMElement* element, std::string typeName, char* outData);
-};
-
-#endif

include/Engine/Core/SystemPipeline.h

@@ -14,21 +14,28 @@ public:
     { }
     ~SystemPipeline()
     {
-        for (auto& pair : m_Systems) {
-            delete pair.second;
+        for (UnorderedSystems& group : m_OrderedSystemGroups) {
+            for (auto& pair : group.Systems) {
+                delete pair.second;
+            }
         }
     }
 
     template <typename T, typename... Arguments>
-    void AddSystem(Arguments... args)
+    //All systems with orderlevel 0 will be updated first, then 1, 2, etc.
+    void AddSystem(int updateOrderLevel, Arguments... args)
     {
+        if (updateOrderLevel + 1 > m_OrderedSystemGroups.size()) {
+            m_OrderedSystemGroups.resize(updateOrderLevel + 1);
+        }
+        UnorderedSystems& group = m_OrderedSystemGroups[updateOrderLevel];
         System* system = new T(m_EventBroker, args...);
-        m_Systems[typeid(T).name()] = system;
+        group.Systems[typeid(T).name()] = system;
 
         if (std::is_base_of<PureSystem, T>::value) {
             PureSystem* pureSystem = static_cast<PureSystem*>(system);
             if (!pureSystem->m_ComponentType.empty()) {
-                m_PureSystems[pureSystem->m_ComponentType].push_back(pureSystem);
+                group.PureSystems[pureSystem->m_ComponentType].push_back(pureSystem);
             } else {
                 LOG_ERROR("Failed to add pure system \"%s\": Missing component type!", typeid(T).name());
             }
@@ -36,41 +43,47 @@ public:
 
         if (std::is_base_of<ImpureSystem, T>::value) {
             ImpureSystem* impureSystem = static_cast<ImpureSystem*>(system);
-            m_ImpureSystems.push_back(impureSystem);
+            group.ImpureSystems.push_back(impureSystem);
         }
     }
 
     void Update(World* world, double dt)
     {
-        // Process events
-        for (auto& pair : m_Systems) {
-            m_EventBroker->Process(pair.first);
-        }
-
-        // Update
-        for (auto& pair : m_PureSystems) {
-            const std::string& componentName = pair.first;
-            auto& systems = pair.second;
-            const ComponentPool* pool = world->GetComponents(componentName);
-            if (pool == nullptr) {
-                continue;
+        for (UnorderedSystems& group : m_OrderedSystemGroups) {
+            // Process events
+            for (auto& pair : group.Systems) {
+                m_EventBroker->Process(pair.first);
             }
-            for (auto& component : *pool) {
-                for (auto& system : systems) {
-                    system->UpdateComponent(world, component, dt);
+
+            // Update
+            for (auto& pair : group.PureSystems) {
+                const std::string& componentName = pair.first;
+                auto& systems = pair.second;
+                const ComponentPool* pool = world->GetComponents(componentName);
+                if (pool == nullptr) {
+                    continue;
+                }
+                for (auto& component : *pool) {
+                    for (auto& system : systems) {
+                        system->UpdateComponent(world, component, dt);
+                    }
                 }
             }
-        }
-        for (auto& system : m_ImpureSystems) {
-            system->Update(world, dt);
+            for (auto& system : group.ImpureSystems) {
+                system->Update(world, dt);
+            }
         }
     }
 
 private:
     EventBroker* m_EventBroker;
-    std::map<std::string, System*> m_Systems;
-    std::map<std::string, std::vector<PureSystem*>> m_PureSystems;
-    std::vector<ImpureSystem*> m_ImpureSystems;
+    struct UnorderedSystems
+    {
+        std::map<std::string, System*> Systems;
+        std::map<std::string, std::vector<PureSystem*>> PureSystems;
+        std::vector<ImpureSystem*> ImpureSystems;
+    };
+    std::vector<UnorderedSystems> m_OrderedSystemGroups;
 };
 
 #endif

include/Engine/Core/Transform.h

@@ -0,0 +1,17 @@
+#ifndef Transform_h__
+#define Transform_h__
+
+#include "../GLM.h"
+#include "World.h"
+
+namespace Transform
+{
+
+glm::vec3 AbsolutePosition(World* world, EntityID entity);
+glm::quat AbsoluteOrientation(World* world, EntityID entity);
+glm::vec3 AbsoluteScale(World* world, EntityID entity);
+glm::mat4 ModelMatrix(EntityID entity, World* world);
+
+}
+
+#endif

include/Engine/Core/Util/XercesString.h

@@ -0,0 +1,46 @@
+#ifndef Util_XercesString_h__
+#define Util_XercesString_h__
+
+#include <string>
+#include <xercesc/util/XercesDefs.hpp>
+#include <xercesc/util/XMLString.hpp>
+
+namespace XS
+{
+
+class ToString
+{
+public:
+    ToString(const XMLCh* const str) { m_AsChar = xercesc::XMLString::transcode(str); }
+    ~ToString()
+    {
+        if (m_AsChar != nullptr) {
+            xercesc::XMLString::release(&m_AsChar);
+        }
+    }
+
+    operator std::string() const { return std::string(m_AsChar); }
+private:
+    char* m_AsChar = nullptr;
+};
+
+class ToXMLCh
+{
+public:
+    ToXMLCh(const std::string str) { m_Transcoded = xercesc::XMLString::transcode(str.c_str()); }
+    ToXMLCh(const char* str) { m_Transcoded = xercesc::XMLString::transcode(str); }
+    ~ToXMLCh()
+    {
+        if (m_Transcoded != nullptr) {
+            xercesc::XMLString::release(&m_Transcoded);
+        }
+    }
+
+    operator const XMLCh*() const { return m_Transcoded; }
+private:
+    XMLCh* m_Transcoded = nullptr;
+};
+
+}
+
+#endif

include/Engine/Core/World.h

@@ -16,13 +16,14 @@ public:
     EntityID CreateEntity(EntityID parent = 0);
     // Delete entity and all components within
     void DeleteEntity(EntityID entity);
-
+    // Check if an entity exists
+    bool ValidEntity(EntityID entity) const;
     // Register a component type and allocate space for it
     void RegisterComponent(ComponentInfo& ci);
     // Attach a component to an entity and fill it with default values
     ComponentWrapper AttachComponent(EntityID entity, std::string componentType);
     // Check if an entity has a component
-    bool HasComponent(EntityID entity, std::string componentType);
+    bool HasComponent(EntityID entity, std::string componentType) const;
     // Get a component of an entity
     ComponentWrapper GetComponent(EntityID entity, std::string componentType);
     // Delete a component off an entity
@@ -37,14 +38,19 @@ public:
     const std::unordered_map<std::string, ComponentPool*>& GetComponentPools() const { return m_ComponentPools; }
     // Get the entity children map
     const std::unordered_multimap<EntityID, EntityID>& GetEntityChildren() const { return m_EntityChildren; }
+    // Set the textual name of an entity
+    void SetName(EntityID entity, const std::string& name);
+    // Get the textual name of an entity
+    std::string GetName(EntityID entity) const;
 
 private:
-    EntityID m_CurrentEntityID = 1;
+    EntityID m_CurrentEntityID = 0;
 
     std::unordered_map<EntityID, EntityID> m_EntityParents;
     // TODO: This should be a more effective structure
     std::unordered_multimap<EntityID, EntityID> m_EntityChildren;
     std::unordered_map<std::string, ComponentPool*> m_ComponentPools;
+    std::unordered_map<EntityID, std::string> m_EntityNames;
 
     EntityID generateEntityID();
 };

include/Engine/Editor/EditorSystem.h

@@ -1,6 +1,7 @@
 #include <imgui/imgui.h>
 #include <glm/gtx/common.hpp>
 #include <boost/filesystem/path.hpp>
+#include <nativefiledialog/nfd.h>
 #include "../Core/System.h"
 #include "../Core/EMousePress.h"
 #include "../Core/EMouseRelease.h"
@@ -8,9 +9,11 @@
 #include "../Core/ConfigFile.h"
 #include "../Input/EInputCommand.h"
 #include "../Rendering/IRenderer.h"
-#include "../Rendering/EPicking.h"
+#include "../Core/Transform.h"
 #include "../Core/EFileDropped.h"
-#include "../Rendering/RenderQueueFactory.h"
+#include "../Core/EntityFilePreprocessor.h"
+#include "../Core/EntityFileParser.h"
+#include "../Core/EntityFileWriter.h"
 
 class EditorSystem : public ImpureSystem
 {
@@ -22,9 +25,12 @@ public:
 private:
     IRenderer* m_Renderer;
     World* m_World = nullptr;
+    Camera* m_Camera = nullptr;
 
     bool m_Enabled;
     bool m_Visible;
+    boost::filesystem::path m_DefaultEntityDir;
+    boost::filesystem::path m_CurrentFile;
     std::vector<glm::vec2> m_PickingQueue;
 
     enum class WidgetMode
@@ -41,22 +47,27 @@ private:
         Global
     } m_WidgetSpace = WidgetSpace::Global;
 
-    EntityID m_Widget = 0;
-    EntityID m_WidgetX = 0;
-    EntityID m_WidgetPlaneX = 0;
-    EntityID m_WidgetY = 0;
-    EntityID m_WidgetPlaneY = 0;
-    EntityID m_WidgetZ = 0;
-    EntityID m_WidgetPlaneZ = 0;
-    EntityID m_WidgetOrigin = 0;
+    EntityID m_Widget = EntityID_Invalid;
+    EntityID m_WidgetX = EntityID_Invalid;
+    EntityID m_WidgetPlaneX = EntityID_Invalid;
+    EntityID m_WidgetY = EntityID_Invalid;
+    EntityID m_WidgetPlaneY = EntityID_Invalid;
+    EntityID m_WidgetZ = EntityID_Invalid;
+    EntityID m_WidgetPlaneZ = EntityID_Invalid;
+    EntityID m_WidgetOrigin = EntityID_Invalid;
     glm::vec3 m_WidgetCurrentAxis;
     float m_WidgetPickingDepth = 0.f;
+    glm::vec3 m_WidgetPickingPosition = glm::vec3(0);
 
-    EntityID m_Selection = 0;
-    EntityID m_LastSelection = 0;
+    EntityID m_Selection = EntityID_Invalid;
+    EntityID m_LastSelection = EntityID_Invalid;
+    EntityID m_UIDraggingEntity = EntityID_Invalid;
     glm::vec3 m_Position;
     std::string m_LastDroppedFile;
 
+    static boost::filesystem::path openDialog(boost::filesystem::path defaultPath);
+    static boost::filesystem::path saveDialog(boost::filesystem::path defaultPath);
+
     EventRelay<EditorSystem, Events::InputCommand> m_EInputCommand;
     bool OnInputCommand(const Events::InputCommand& e);
     EventRelay<EditorSystem, Events::MouseRelease> m_EMouseRelease;
@@ -65,15 +76,19 @@ private:
     bool OnMousePress(const Events::MousePress& e);
     EventRelay<EditorSystem, Events::MouseMove> m_EMouseMove;
     bool OnMouseMove(const Events::MouseMove& e);
-    EventRelay<EditorSystem, Events::Picking> m_EPicking;
-    bool OnPicking(const Events::Picking& e);
     EventRelay<EditorSystem, Events::FileDropped> m_EFileDropped;
     bool OnFileDropped(const Events::FileDropped& e);
-
+    
+    void Picking();
+    void createWidget();
     void updateWidget();
     void setWidgetMode(WidgetMode newMode);
     void setWidgetSpace(WidgetSpace space);
     void drawUI(World* world, double dt);
     bool createDeleteButton(std::string componentType);
+    bool createEntityNode(World* world, EntityID entity);
     void changeParent(EntityID entity, EntityID newParent);
+    void fileImport(World* world);
+    void fileSave(World* world);
+    void fileSaveAs(World* world);
 };

include/Engine/GUI/Button.h

@@ -40,7 +40,7 @@ public:
 		m_TexturePressed = resourceName;
 	}
 
-	void Draw(RenderQueueCollection& rq) override
+	void Draw(RenderScene& rq) override
 	{
 		if (m_Texture == nullptr && !m_TextureReleased.empty()) {
 			SetTexture(m_TextureReleased);

include/Engine/GUI/Frame.h

@@ -212,7 +212,7 @@ public:
 
 	virtual void Update(double dt) { }
 
-	void DrawLayered(RenderQueueCollection& rq)
+	void DrawLayered(RenderScene& rq)
 	{
 		if (this->Hidden())
 			return;
@@ -232,7 +232,7 @@ public:
 		}
 	}
 
-	virtual void Draw(RenderQueueCollection& rq) { }
+	virtual void Draw(RenderScene& rq) { }
 
 protected:
 	::EventBroker* m_EventBroker;

include/Engine/GUI/TextureFrame.h

@@ -16,7 +16,7 @@ public:
 	void EnableScissor() { m_ScissorEnabled = true; }
 	void DisableScissor() { m_ScissorEnabled = false; }
 
-	void Draw(RenderQueueCollection& rq) override
+	void Draw(RenderScene& rq) override
 	{
 		if (m_Texture == nullptr)
 			return;

include/Engine/Network/Client.h

@@ -23,7 +23,6 @@ public:
     ~Client();
     void Start(World* world, EventBroker* eventBroker) override;
     void Update() override;
-    void Close();
 private:
     // Assio UDP logic
     boost::asio::ip::udp::endpoint m_ReceiverEndpoint;
@@ -32,7 +31,7 @@ private:
 
     // Sending message to server logic
     int bytesRead = -1;
-    char readBuf[1024] = { 0 };
+    char readBuf[INPUTSIZE] = { 0 };
     int snapshotInterval = 33;
     std::clock_t previousSnapshotMessage = std::clock();
 
@@ -49,7 +48,6 @@ private:
     // Network logic
     PlayerDefinition m_PlayerDefinitions[MAXCONNECTIONS];
     SnapshotDefinitions m_NextSnapshot;
-    bool m_ThreadIsRunning = true;
     double m_DurationOfPingTime;
     std::clock_t m_StartPingTime;
     // Use to check if we should send disconnect message
@@ -59,7 +57,7 @@ private:
     // Private member functions
     void readFromServer();
     void sendSnapshotToServer();
-    int receive(char* data, size_t length);
+    int  receive(char* data, size_t length);
     void send(Packet& packet);
     void connect();
     void disconnect();
@@ -67,6 +65,7 @@ private:
     void moveMessageHead(char*& data, size_t& length, size_t stepSize);
     void parseMessageType(Packet& packet);
     void parseEventMessage(Packet& packet);
+    void updateFields(Packet& packet, const ComponentInfo& componentInfo, const EntityID& entityID, const std::string& componentType);
     void parseConnect(Packet& packet);
     void parsePing();
     void parseServerPing();

include/Engine/Network/Network.h

@@ -6,7 +6,7 @@
 #include "Network/Packet.h"
 
 #define MAXCONNECTIONS 8
-#define INPUTSIZE 128
+#define INPUTSIZE 4097
 
 class Network
 {

include/Engine/Network/Packet.h

@@ -14,15 +14,17 @@ public:
     Packet(MessageType type, unsigned int& packetID);
     // Used to create packet from already existing data buffer.
     Packet(char* data, const int sizeOfPacket);
-    
     ~Packet();
+    void Init(MessageType type, unsigned int& packetID);
+
     // Add primitive types like int, float, char...
     template<typename T>
     void WritePrimitive(T val)
     {
         // Check if we are trying to add more than the package can fit.
         if (m_MaxPacketSize < m_Offset + sizeof(T)) {
-            LOG_WARNING("Packet AddPrimitive(): You are trying to add more than we have allocated for!");
+            LOG_WARNING("Packet AddPrimitive(): You are trying to add more than we have allocated for! New size is %i bytes\n", m_MaxPacketSize*2);
+            resizeData();
         }
         memcpy(m_Data + m_Offset, &val, sizeof(T));
         m_Offset += sizeof(T);
@@ -41,7 +43,7 @@ public:
         return returnValue;
     }
     // Add a string to the message
-    void WriteString(std::string str);
+    void WriteString(const std::string& str);
     // Add data to the message
     void WriteData(char* data, int sizeOfData);
     // Pops the first element as if it was a string.
@@ -50,12 +52,15 @@ public:
 
     int Size() { return m_Offset; };
     char* Data() { return m_Data; };
+    unsigned int DataReadSize() { return m_ReturnDataOffset; }
+    unsigned int MaxSize() { return m_MaxPacketSize; }
 
 private:
     char* m_Data;
     unsigned int m_ReturnDataOffset = 0;
     int m_Offset = 0;
-    unsigned int m_MaxPacketSize = 128;
+    unsigned int m_MaxPacketSize = 512;
+    void resizeData();
 };
 
 #endif

include/Engine/Network/Server.h

@@ -20,8 +20,6 @@ public:
     ~Server();
     void Start(World* m_world, EventBroker *eventBroker) override;
     void Update() override;
-    void Close();
-
 private:
     // UDP logic
     boost::asio::ip::udp::endpoint m_ReceiverEndpoint;
@@ -30,7 +28,7 @@ private:
     PlayerDefinition m_PlayerDefinitions[MAXCONNECTIONS];
 
     // Sending messages to client logic
-    char readBuffer[1024] = { 0 };
+    char readBuffer[INPUTSIZE] = { 0 };
     int bytesRead = 0;
     // time for previouse message
     std::clock_t previousePingMessage = std::clock();
@@ -55,9 +53,6 @@ private:
     unsigned int m_PacketID;
     unsigned int m_PreviousPacketID;
     unsigned int m_SendPacketID;
-    
-    // Close logic
-    bool m_ThreadIsRunning = true;
 
     // Private member functions
     int  receive(char* data, size_t length);

include/Engine/Rendering/Camera.h

@@ -26,13 +26,12 @@ public:
 	glm::quat Orientation() const { return m_Orientation; }
 	void SetOrientation(glm::quat val);
 
-	/*float Pitch() const { return m_Pitch; }
-	void Pitch(float val);
-	float Yaw() const { return m_Yaw; }
-	void Yaw(float val);*/
-
 	glm::mat4 ProjectionMatrix() const { return m_ProjectionMatrix; }
+    void SetProjectionMatrix(glm::mat4 val);
+
 	glm::mat4 ViewMatrix() const { return m_ViewMatrix; }
+    void SetViewMatrix(glm::mat4 val);
+
 
 	float AspectRatio() const { return m_AspectRatio; }
 	void SetAspectRatio(float val);
@@ -46,11 +45,10 @@ public:
 	float FarClip() const { return m_FarClip; }
 	void SetFarClip(float val);
 
-	
+    void UpdateViewMatrix();
+    void UpdateProjectionMatrix();
 
 private:
-	void UpdateViewMatrix();
-	void UpdateProjectionMatrix();
 
 	glm::vec3 m_Position;
 	glm::quat m_Orientation;

include/Engine/Rendering/DebugCameraInputController.h

@@ -9,6 +9,9 @@ public:
         : FirstPersonInputController(eventBroker, playerID)
     { }
 
+    void SetPosition(const glm::vec3 position) { m_Position = position; }
+    void SetOrientation(const glm::quat orientation) { m_Orientation = orientation; }
+
     const glm::vec3 Position() const { return m_Position; }
     void SetBaseSpeed(float speed) { m_BaseSpeed = speed; }
 

include/Engine/Rendering/DrawScenePass.h

@@ -17,7 +17,7 @@ public:
     void InitializeFrameBuffers();
     void InitializeShaderPrograms();
 
-    void Draw(RenderQueueCollection& rq);
+    void Draw(RenderScene& scene);
 
     //Getters
 
@@ -25,12 +25,18 @@ public:
 private:
     void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const;
 
+    static bool DepthSort(const std::shared_ptr<RenderJob> &i, const std::shared_ptr<RenderJob> &j)
+    {
+        return (i->Depth < j->Depth);
+    };
+
     Texture* m_WhiteTexture;
 
     const IRenderer* m_Renderer;
 
     ShaderProgram* m_BasicForwardProgram;
 
+
 };
 
 #endif 

include/Engine/Rendering/DummyRenderer.h

@@ -9,7 +9,7 @@ class DummyRenderer : public IRenderer
 {
 public:
 	virtual void Initialize() override;
-	virtual void Draw(RenderQueueCollection& rq) override;
+	virtual void Draw(RenderFrame& rq) override;
 };
 
 #endif

include/Engine/Rendering/EPicking.h

@@ -1,74 +0,0 @@
-#ifndef Events_Picking_h__
-#define Events_Picking_h__
-
-#include "../OpenGL.h"
-#include "../GLM.h"
-
-#include "../Core/EventBroker.h"
-#include "Util/ScreenCoords.h"
-#include "FrameBuffer.h"
-#include "../Core/Entity.h"
-#include "Util/UnorderedMapVec2.h"
-
-namespace Events
-{
-
-/** Thrown Every frame, use functions to pick*/
-struct Picking : Event
-{
-public:
-    Picking(FrameBuffer* pickingBuffer, GLuint* depthBuffer, glm::mat4 projectionMatrix, glm::mat4 viewMatrix, Rectangle resolution, const std::unordered_map<glm::vec2, EntityID>* pickingColorsToEntity)
-        : PickingBuffer(pickingBuffer)
-        , DepthBuffer(depthBuffer)
-        , ProjectionMatrix(projectionMatrix)
-        , ViewMatrix(viewMatrix)
-        , Resolution(resolution)
-        , PickingColorsToEntity(pickingColorsToEntity)
-    { }
-        
-    
-
-    struct PickData
-    {
-        //Picked Entity
-        EntityID Entity;
-        //World position of the "pick"
-        glm::vec3 Position;
-        // Depth
-        float Depth;
-    };
-
-    PickData Pick(glm::vec2 screenCoord) const
-    {
-        PickData pickData;
-
-        // Invert screen y coordinate
-        screenCoord.y = Resolution.Height - screenCoord.y;
-        ScreenCoords::PixelData data = ScreenCoords::ToPixelData(screenCoord, PickingBuffer, *DepthBuffer);
-        pickData.Depth = data.Depth;
-
-        auto it = PickingColorsToEntity->find(glm::vec2(data.Color[0], data.Color[1]));
-        if (it != PickingColorsToEntity->end()) {
-            pickData.Entity = it->second;
-        } else {
-            pickData.Entity = 0;
-        }
-        pickData.Position = ScreenCoords::ToWorldPos(screenCoord.x, screenCoord.y, data.Depth, Resolution, ProjectionMatrix, ViewMatrix);
-
-        return pickData;
-    }
-
-
-private:
-    FrameBuffer* PickingBuffer;
-    GLuint* DepthBuffer;
-    const glm::mat4 ProjectionMatrix;
-    const glm::mat4 ViewMatrix;
-    const Rectangle Resolution;
-    const std::unordered_map<glm::vec2, EntityID>* PickingColorsToEntity;
-    
-};
-
-}
-
-#endif

include/Engine/Rendering/ESetCamera.h

@@ -0,0 +1,23 @@
+#ifndef Events_SetCamera_h__
+#define Events_SetCamera_h__
+
+#include "../Core/EventBroker.h"
+#include "../Core/Entity.h"
+#include <string.h>
+
+namespace Events
+{
+
+struct SetCamera : Event
+{
+public:
+    SetCamera() { };
+    std::string Name;
+
+private:
+
+};
+
+}
+
+#endif

include/Engine/Rendering/IRenderer.h

@@ -10,6 +10,15 @@
 #include "RenderQueue.h"
 #include "Model.h"
 
+struct PickData
+{
+    EntityID Entity;
+    glm::vec3 Position; //World position
+    float Depth;
+    ::Camera* Camera;
+    const ::World* World;
+};
+
 class IRenderer
 {
 public:
@@ -20,19 +29,19 @@ public:
 	void SetFullscreen(bool fullscreen) { m_Fullscreen = fullscreen; }
 	bool VSYNC() const { return m_VSYNC; }
 	void SetVSYNC(bool vsync) { m_VSYNC = vsync; }
-	::Camera* Camera() const { return m_Camera; }
-	void SetCamera(::Camera* camera)
-	{
-		if (camera == nullptr) {
-			m_Camera = m_DefaultCamera;
-		} else {
-			m_Camera = camera;
-		}
-	}
-
+    ::Camera* Camera() const { return m_Camera; }
+    void SetCamera(::Camera* camera)
+    {
+        if (camera == nullptr) {
+            m_Camera = m_DefaultCamera;
+        } else {
+            m_Camera = camera;
+        }
+    }
 	virtual void Initialize() = 0;
 	virtual void Update(double dt) = 0;
-	virtual void Draw(RenderQueueCollection& rq) = 0;
+	virtual void Draw(RenderFrame& rq) = 0;
+    virtual PickData Pick(glm::vec2 screenCord) = 0;
 
 protected:
 	Rectangle m_Resolution = Rectangle::Rectangle(1280, 720);
@@ -40,9 +49,9 @@ protected:
 	bool m_VSYNC = false;
 	int m_GLVersion[2];
 	std::string m_GLVendor;
-	::Camera* m_DefaultCamera;
-	::Camera* m_Camera = nullptr;
 	GLFWwindow* m_Window = nullptr;
+    ::Camera* m_DefaultCamera;
+    ::Camera* m_Camera = nullptr;
 };
 
 #endif // Renderer_h__

include/Engine/Rendering/ModelJob.h

@@ -0,0 +1,55 @@
+#ifndef ModelJob_h__
+#define ModelJob_h__
+
+#include <cstdint>
+
+#include "../Common.h"
+#include "../GLM.h"
+#include "../Core/ComponentWrapper.h"
+#include "Texture.h"
+#include "Model.h"
+#include "RenderJob.h"
+#include "../Core/ResourceManager.h"
+#include "Camera.h"
+#include "../Core/World.h"
+
+struct ModelJob : RenderJob
+{
+    ModelJob(Model* model, Camera* camera, glm::mat4 matrix, ::Model::MaterialGroup texGroup, ComponentWrapper modelComponent, World* world)
+        : RenderJob()
+    {
+        Model = model;
+        TextureID = (texGroup.Texture) ? texGroup.Texture->ResourceID : 0;
+        DiffuseTexture = texGroup.Texture.get();
+        NormalTexture = texGroup.NormalMap.get();
+        SpecularTexture = texGroup.SpecularMap.get();
+        StartIndex = texGroup.StartIndex;
+        EndIndex = texGroup.EndIndex;
+        Matrix = matrix;
+        Color = modelComponent["Color"];
+        Entity = modelComponent.EntityID;
+        World = world;
+    };
+
+    unsigned int TextureID;
+    unsigned int ShaderID;
+
+    EntityID Entity;
+    glm::mat4 Matrix;
+    const Texture* DiffuseTexture;
+    const Texture* NormalTexture;
+    const Texture* SpecularTexture;
+    float Shininess = 0.f;
+    glm::vec4 Color;
+    const ::Model* Model = nullptr;
+    unsigned int StartIndex = 0;
+    unsigned int EndIndex = 0;
+    const World* World;
+
+    void CalculateHash() override
+    {
+        Hash = TextureID;
+    }
+};
+
+#endif

include/Engine/Rendering/PickingPass.h

@@ -5,9 +5,9 @@
 #include "PickingPassState.h"
 #include "FrameBuffer.h"
 #include "ShaderProgram.h"
-#include "Util/UnorderedMapVec2.h"
+#include "Util/UnorderedMapiVec2.h"
 #include "../Core/EventBroker.h"
-#include "EPicking.h"
+#include "../Core/World.h"
 
 class PickingPass
 {
@@ -18,16 +18,19 @@ public:
     void InitializeFrameBuffers();
     void InitializeShaderPrograms();
 
-    void Draw(RenderQueueCollection& rq);
+    void Draw(RenderScene& scene);
+    void ClearPicking();
 
 
     //Getters
     const ShaderProgram& PickingProgram() const { return *m_PickingProgram; }
-    const std::unordered_map<glm::vec2, EntityID>& PickingColorsToEntity() const { return m_PickingColorsToEntity; }
+    //const std::unordered_map<glm::ivec2, EntityID>& PickingColorsToEntity() const { return m_PickingColorsToEntity; }
     GLuint PickingTexture() const { return m_PickingTexture; }
     GLuint DepthBuffer() const { return m_DepthBuffer; }
     const FrameBuffer& PickingBuffer() const { return m_PickingBuffer; }
 
+    
+    PickData Pick(glm::vec2 screenCoord);
 
 private:
     void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const;
@@ -37,13 +40,24 @@ private:
     const IRenderer* m_Renderer;
 
     ShaderProgram* m_PickingProgram;
+    Camera* m_Camera;
 
-    std::unordered_map<glm::vec2, EntityID> m_PickingColorsToEntity;
+    struct PickingInfo
+    {
+        EntityID Entity;
+        const ::World* World;
+        ::Camera* Camera;
+    };
+
+    std::unordered_map<glm::ivec2, PickingInfo> m_PickingColorsToEntity;
 
     GLuint m_PickingTexture;
     GLuint m_DepthBuffer;
 
     FrameBuffer m_PickingBuffer;
+
+    int m_ColorCounter[2];
+    std::map<std::tuple<EntityID, const World*, Camera*>, glm::ivec2> m_EntityColors;
 };
 
 #endif 

include/Engine/Rendering/RawModel.h

@@ -46,6 +46,7 @@ public:
 	struct MaterialGroup
 	{
 		float Shininess;
+        float Transparency;
         std::string TexturePath;
 		std::shared_ptr<::Texture> Texture;
         std::string NormalMapPath;

include/Engine/Rendering/RenderJob.h

@@ -0,0 +1,32 @@
+#ifndef RenderJob_h__
+#define RenderJob_h__
+
+#include <cstdint>
+
+#include "../Common.h"
+#include "../GLM.h"
+#include "../Core/ComponentWrapper.h"
+#include "RenderQueue.h"
+
+
+struct RenderJob
+{
+    friend class RenderQueue;
+
+public:
+
+    float Depth;
+
+protected:
+    uint64_t Hash;
+
+    virtual void CalculateHash() = 0;
+
+    bool operator<(const RenderJob& rhs)
+    {
+        return this->Hash < rhs.Hash;
+    }
+
+};
+
+#endif

include/Engine/Rendering/RenderQueue.h

@@ -8,61 +8,13 @@
 #include "../GLM.h"
 #include "../Core/Util/Rectangle.h"
 #include "../Core/Entity.h"
+#include "Camera.h"
+#include "RenderJob.h"
+#include "ModelJob.h"
 
-class Model;
-class Skeleton;
-class Texture;
-class RenderQueue;
 
-//TODO: Render: Remove obsolete RenderJobs and fix standard values on variables.
-
-struct RenderJob
-{
-	friend class RenderQueue;
-
-	float Depth;
-
-protected:
-	uint64_t Hash;
-
-	virtual void CalculateHash() = 0;
-
-	bool operator<(const RenderJob& rhs)
-	{
-		return this->Hash < rhs.Hash;
-	}
-};
-
-struct ModelJob : RenderJob
-{
-	unsigned int ShaderID = 0;
-	unsigned int TextureID = 0;
-
-    //TODO: RENDERER: Not sure if the best solution for pickingColor to entity link is this
-    EntityID Entity;
-
-	glm::mat4 ModelMatrix;
-	const Texture* DiffuseTexture;
-	const Texture* NormalTexture;
-	const Texture* SpecularTexture;
-	float Shininess = 0.f;
-	glm::vec4 Color;
-	const Model* Model = nullptr;
-	unsigned int StartIndex = 0;
-	unsigned int EndIndex = 0;
-
-	// Animation
-	Skeleton* Skeleton = nullptr;
-	bool NoRootMotion = true;
-	std::string AnimationName;
-	double AnimationTime = 0;
-
-	void CalculateHash() override
-	{
-		Hash = TextureID;
-	}
-};
 
+/*
 struct SpriteJob : RenderJob
 {
 	unsigned int ShaderID = 0;
@@ -93,62 +45,53 @@ struct PointLightJob : RenderJob
 		Hash = 0;
 	}
 };
+*/
 
-class RenderQueue
+struct RenderScene
 {
-public:
-	template <typename T>
-	void Add(T &job)
-	{
-		job.CalculateHash();
-		Jobs.push_back(std::shared_ptr<T>(new T(job)));
-		m_Size++;
-	}
-
-	void Sort()
-	{
-		Jobs.sort();
-	}
+    ::Camera* Camera;
+    std::list<std::shared_ptr<RenderJob>> ForwardJobs;
+    std::list<std::shared_ptr<RenderJob>> LightJobs;
+    Rectangle Viewport;
 
 	void Clear()
 	{
-		Jobs.clear();
-		m_Size = 0;
+        ForwardJobs.clear();
+        LightJobs.clear();
 	}
-
-	int Size() const { return m_Size; }
-	std::list<std::shared_ptr<RenderJob>>::const_iterator begin()
-	{
-		return Jobs.begin();
-	}
-
-	std::list<std::shared_ptr<RenderJob>>::const_iterator end()
-	{
-		return Jobs.end();
-	}
-
-	std::list<std::shared_ptr<RenderJob>> Jobs;
-
-private:
-	int m_Size = 0;
 };
 
-struct RenderQueueCollection
+struct RenderFrame
 {
-	RenderQueue Forward;
-	RenderQueue Lights;
+public:
 
-	void Clear()
-	{
-		Forward.Clear();
-		Lights.Clear();
-	}
+    void Add(RenderScene &scene)
+    {
+        RenderScenes.push_back(std::shared_ptr<RenderScene>(new RenderScene(scene)));
+        m_Size++;
+    }
 
-	void Sort()
-	{
-		Forward.Sort();
-		Lights.Sort();
-	}
+    void Clear()
+    {
+        RenderScenes.clear();
+        m_Size = 0;
+    }
+
+    int Size() const { return m_Size; }
+    std::list<std::shared_ptr<RenderScene>>::const_iterator begin()
+    {
+        return RenderScenes.begin();
+    }
+
+    std::list<std::shared_ptr<RenderScene>>::const_iterator end()
+    {
+        return RenderScenes.end();
+    }
+
+    std::list<std::shared_ptr<RenderScene>> RenderScenes;
+    
+private:
+    int m_Size = 0;
 };
 
 #endif

include/Engine/Rendering/RenderQueueFactory.h

@@ -1,31 +0,0 @@
-#ifndef RenderQueueFactory_h__
-#define RenderQueueFactory_h__
-
-#include "../Core/World.h"
-#include "RenderQueue.h"
-#include "../Core/ResourceManager.h"
-#include "Model.h"
-#include "../GLM.h"
-
-class RenderQueueFactory
-{
-public:
-    RenderQueueFactory();
-    void Update(World* world);
-
-    RenderQueueCollection RenderQueues() const { return m_RenderQueues; }
-
-    static glm::vec3 AbsolutePosition(World* world, EntityID entity);
-    static glm::quat AbsoluteOrientation(World* world, EntityID entity);
-    static glm::vec3 AbsoluteScale(World* world, EntityID entity);
-
-private:
-    RenderQueueCollection m_RenderQueues;
-
-    void FillModels(World* world, RenderQueue* renderQueue);
-    void FillLights(World* world, RenderQueue* renderQueue);
-
-    glm::mat4 ModelMatrix(World* world, EntityID entity);
-};
-
-#endif

include/Engine/Rendering/RenderSystem.h

@@ -0,0 +1,53 @@
+#ifndef RenderSystem_h__
+#define RenderSystem_h__
+
+#include "../Core/System.h"
+#include "RenderQueue.h"
+#include "../GLM.h"
+#include "../OpenGL.h"
+#include "../Core/ResourceManager.h"
+#include "ESetCamera.h"
+#include "Model.h"
+#include "../Core/EKeyDown.h"
+#include "../Input/EInputCommand.h"
+#include "Camera.h"
+#include "ModelJob.h"
+#include "Renderer.h"
+#include "../Core/Transform.h"
+#include "DebugCameraInputController.h"
+
+class RenderSystem : public ImpureSystem
+{
+public:
+    RenderSystem(EventBroker* eventBrokerer, const IRenderer* renderer, RenderFrame* renderFrame);
+    ~RenderSystem();
+
+    virtual void Update(World* world, double dt) override;
+
+private:
+    World* m_World = nullptr;
+    const IRenderer* m_Renderer;
+
+    RenderFrame* m_RenderFrame;
+    bool m_SwitchCamera = false;
+    Camera* m_Camera;
+    DebugCameraInputController<RenderSystem>* m_DebugCameraInputController;
+    
+    std::list<ComponentWrapper> m_CameraComponents;
+
+    EventRelay<RenderSystem, Events::SetCamera> m_ESetCamera;
+    bool OnSetCamera(const Events::SetCamera &event);
+    EntityID m_CurrentCamera = EntityID_Invalid;
+
+    void switchCamera(EntityID entity);
+
+    void updateCamera(World* world, double dt);
+    void updateProjectionMatrix(ComponentWrapper& cameraComponent);
+    
+    void fillModels(std::list<std::shared_ptr<RenderJob>>& jobs, World* world);
+
+    EventRelay<RenderSystem, Events::InputCommand> m_EInputCommand;
+    bool OnInputCommand(const Events::InputCommand& e);
+};
+
+#endif

include/Engine/Rendering/Renderer.h

@@ -12,45 +12,31 @@
 #include "../Core/World.h"
 #include "PickingPass.h"
 #include "DrawScenePass.h"
-#include "DebugCameraInputController.h"
-
-
-#define TILE_SIZE 16 
-#define NUM_LIGHTS 3
-
-
-enum lightType 
-{
-    Point,
-    Spot,
-    Directional,
-    Area
-};
-
 #include "../Core/EventBroker.h"
-#include "EPicking.h"
 #include "ImGuiRenderPass.h"
+#include "Camera.h"
 
 class Renderer : public IRenderer
 {
 public:
-    Renderer(EventBroker* eventBroker) 
+    Renderer(EventBroker* eventBroker, World* world) 
         : m_EventBroker(eventBroker)
+        , m_World(world)
     { }
 
     virtual void Initialize() override;
     virtual void Update(double dt) override;
-    virtual void Draw(RenderQueueCollection& rq) override;
+    virtual void Draw(RenderFrame& frame) override;
+
+    virtual PickData Pick(glm::vec2 screenCoord) override;
 
 private:
     //----------------------Variables----------------------//
     EventBroker* m_EventBroker;
-
-    std::shared_ptr<DebugCameraInputController<Renderer>> m_DebugCameraInputController;
+    World* m_World;
 
     Texture* m_ErrorTexture;
     Texture* m_WhiteTexture;
-    float m_CameraMoveSpeed;
 
     Model* m_ScreenQuad;
     Model* m_UnitQuad;
@@ -71,56 +57,10 @@ private:
     //void PickingPass(RenderQueueCollection& rq);
     void DrawScreenQuad(GLuint textureToDraw);
 
-    //----------------------Forward+-----------------------//
-    void CalculateFrustum();
-    void CullLights();
-    //Frustum
-    struct Plane {
-        glm::vec3 Normal;
-        float d;
-    };
-    struct Frustum {
-        Plane Planes[4];
-    };
-    Frustum m_Frustums[80*45]; //TODO: Renderer: Make this change with resolution
-
-    //Lights
-    void TEMPCreateLights();
-    //TODO: Renderer: Add Directionllights, spotlights and area lights to this as type.
-    struct PointLight {
-        glm::vec4 Position = glm::vec4(0.f);
-        glm::vec4 Color = glm::vec4(1.f);
-        float Radius = 5.f;
-        float Intensity = 0.8f;
-        float Falloff = 0.3f;
-        float Padding = 1337;
-    };
-    PointLight m_PointLights[NUM_LIGHTS];
-
-    struct LightGrid {
-        int Amount;
-        int Start;
-        glm::vec2 Padding;
-    };
-    LightGrid m_LightGrid[80*45];
-
-    int m_LightOffset = 0;
-
-    int m_LightIndex[80*45*200];
-
-    //-------------------------SSBO------------------------//
-    GLuint m_FrustumSSBO = 0;
-    GLuint m_LightSSBO = 1;
-    GLuint m_LightGridSSBO = 2;
-    GLuint m_LightOffsetSSBO = 3;
-    GLuint m_LightIndexSSBO = 4;
-
     void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type);
 	//--------------------ShaderPrograms-------------------//
 	ShaderProgram* m_BasicForwardProgram;
     ShaderProgram* m_DrawScreenQuadProgram;
-    ShaderProgram* m_CalculateFrustumProgram;
-    ShaderProgram* m_LightCullProgram;
 
 };
 

include/Engine/Rendering/Util/UnorderedMapiVec2.h

@@ -0,0 +1,24 @@
+#pragma once
+#ifndef UnorderedMapiVec2_h__
+#define UnorderedMapiVec2_h__
+
+#include <functional>
+#include <boost/functional/hash.hpp>
+#include <glm/vec2.hpp>
+
+template<>
+struct std::hash<glm::ivec2>
+{
+    inline std::size_t operator()(const glm::ivec2 &v) const
+    {
+        return boost::hash<float>()(v.x) ^ boost::hash<float>()(v.y);
+    }
+
+    inline bool operator()(const glm::ivec2& a, const glm::ivec2& b)const
+    {
+        return a.x == b.x && a.y == b.y;
+    }
+
+};
+
+#endif

include/Game/Game.h

@@ -8,16 +8,18 @@
 #include "Core/InputManager.h"
 #include "GUI/Frame.h"
 #include "Core/World.h"
-#include "Rendering/RenderQueueFactory.h"
 #include "Input/InputProxy.h"
 #include "Input/KeyboardInputHandler.h"
 #include "Input/MouseInputHandler.h"
 #include "Core/EKeyDown.h"
-#include "Core/EntityXMLFile.h"
+#include "Core/EntityFilePreprocessor.h"
 #include "Core/SystemPipeline.h"
 #include "RaptorCopterSystem.h"
 #include "PlayerSystem.h"
 #include "Editor/EditorSystem.h"
+#include "Core/EntityFile.h"
+#include "Rendering/RenderSystem.h"
+#include "Core/EntityFileParser.h"
 
 // Network
 #include <boost/thread.hpp>
@@ -45,7 +47,7 @@ private:
 	GUI::Frame* m_FrameStack;
     World* m_World;
     SystemPipeline* m_SystemPipeline;
-    RenderQueueFactory* m_RenderQueueFactory;
+    RenderFrame* m_RenderFrame;
     // Network variables
     boost::thread m_NetworkThread;
 

include/Game/HealthSystem.h

@@ -0,0 +1,36 @@
+#ifndef HealthSystem_h__
+#define HealthSystem_h__
+
+#include <GLFW/glfw3.h>
+#include <glm/common.hpp>
+
+#include "Common.h"
+#include "Core/System.h"
+#include "Core\EPlayerDamage.h";
+#include "Core\EPlayerHealthPickup.h";
+#include "Core\EPlayerDeath.h";
+
+#include <tuple>
+#include <vector>
+
+class HealthSystem : public PureSystem
+{
+public:
+    HealthSystem(EventBroker* eventBroker);
+
+    //updatecomponent
+    virtual void UpdateComponent(World* world, ComponentWrapper& health, double dt) override;
+
+private:
+    //methods which will take care of specific events
+    EventRelay<HealthSystem, Events::PlayerDamage> m_EPlayerDamage;
+    bool HealthSystem::OnPlayerDamaged(const Events::PlayerDamage& e);
+    EventRelay<HealthSystem, Events::PlayerHealthPickup> m_EPlayerHealthPickup;
+    bool HealthSystem::OnPlayerHealthPickup(const Events::PlayerHealthPickup& e);
+
+    //vector which will keep track of health changes
+    std::vector<std::tuple<EntityID, double>> m_DeltaHealthVector;
+   
+};
+
+#endif

resources/Schema/Components.xsd

@@ -6,6 +6,8 @@
 	<xs:include schemaLocation="Components/Test.xsd"/>
 	<xs:include schemaLocation="Components/RaptorCopter.xsd"/>
 	<xs:include schemaLocation="Components/Player.xsd"/>
+	<xs:include schemaLocation="Components/Camera.xsd"/>
 	<xs:include schemaLocation="Components/AABB.xsd"/>
 	<xs:include schemaLocation="Components/Trigger.xsd"/>
+	<xs:include schemaLocation="Components/Health.xsd"/>
 </xs:schema>

resources/Schema/Components/Camera.xml

@@ -0,0 +1,6 @@
+<c:Camera>
+	<Name>cam</Name>
+	<FOV>60.0</FOV>
+	<NearClip>0.01</NearClip>
+	<FarClip>5000</FarClip>
+</c:Camera>

resources/Schema/Components/Camera.xsd

@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:t="types">
+	<xs:import schemaLocation="../Types.xsd" namespace="types"/>
+
+	<xs:element name="Camera">
+		<xs:annotation>
+			<xs:documentation>It's a camera thingy!</xs:documentation>
+		</xs:annotation>
+		<xs:complexType>
+			<xs:all>
+				<xs:element name="Name" type="t:string" minOccurs="0"/>
+				<xs:element name="FOV" type="t:double" minOccurs="0"/>
+				<xs:element name="NearClip" type="t:double" minOccurs="0"/>
+				<xs:element name="FarClip" type="t:double" minOccurs="0"/>
+			</xs:all>
+		</xs:complexType>
+	</xs:element>
+</xs:schema>

resources/Schema/Components/Health.xml

@@ -0,0 +1,4 @@
+<c:Health>
+	<Health>100</Health>
+	<MaxHealth>100</MaxHealth>
+</c:Health>

resources/Schema/Components/Health.xsd

@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:t="types">
+	<xs:import schemaLocation="../Types.xsd" namespace="types"/>
+
+	<xs:element name="Health">
+		<xs:complexType>
+			<xs:all>
+				<xs:element name="Health" type="t:double" minOccurs="0"/>
+				<xs:element name="MaxHealth" type="t:double" minOccurs="0"/>
+			</xs:all>
+		</xs:complexType>
+	</xs:element>
+</xs:schema>

resources/Schema/Entities/Empty.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Entity xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../Types/Entity.xsd" xmlns:c="components">
+  <Components>
+    <c:Transform/>
+  </Components>
+</Entity>

resources/Schema/Entities/RaptorCopter.xml

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<Entity xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xi="http://www.w3.org/2001/XInclude" xsi:noNamespaceSchemaLocation="../Types/Entity.xsd" xmlns:c="components" name="RaptorCopter">
+	<Components>
+		<c:Transform>
+			<Position X="0" Y="0"/>
+			<Orientation X="0.0" Y="0" Z="0.0"/>
+		</c:Transform>
+		<c:Model>
+			<Resource>Models/Core/UnitRaptor.obj</Resource>
+			<Color R="1" G="0.4" B="0.8"/>
+		</c:Model>
+	</Components>
+	<Children>
+		<Entity>
+			<Components>
+				<c:Transform>
+					<Position X="0" Y="0"/>
+					<Orientation X="0" Y="0" Z="0"/>
+				</c:Transform>
+				<c:RaptorCopter>
+					<Speed>20</Speed>
+					<Axis Y="1"/>
+				</c:RaptorCopter>
+			</Components>
+			<Children>
+				<Entity>
+					<Components>
+						<c:Transform>
+							<Position X="0" Y="0.4"/>
+							<Scale X="0.1" Y="0.4" Z="0.1"/>
+						</c:Transform>
+						<c:Model>
+							<Resource>Models/Core/UnitCylinder.obj</Resource>
+							<Color R="1" G="0.4" B="0.8"/>
+						</c:Model>
+					</Components>
+				</Entity>
+				<Entity>
+					<Components>
+						<c:Transform>
+							<Position X="0" Y="0.6"/>
+							<Scale X="1.7" Y="0.03" Z="0.1"/>
+							<Orientation X="0" Y="0" Z="0"/>
+						</c:Transform>
+						<c:Model>
+							<Resource>Models/Core/UnitCube.obj</Resource>
+							<Color R="1" G="0.4" B="0.8"/>
+						</c:Model>
+					</Components>
+				</Entity>
+				<Entity>
+					<Components>
+						<c:Transform>
+							<Position X="0" Y="0.6"/>
+							<Scale X="1.7" Y="0.03" Z="0.1"/>
+							<Orientation X="0" Y="1.57" Z="0"/>
+						</c:Transform>
+						<c:Model>
+							<Resource>Models/Core/UnitCube.obj</Resource>
+							<Color R="1" G="0.4" B="0.8"/>
+						</c:Model>
+					</Components>
+				</Entity>
+			</Children>
+		</Entity>
+	</Children>
+</Entity>

resources/Schema/Entities/RenderingWorld.xml

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Entity xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../Types/Entity.xsd" xmlns:c="components">
+  <Components>
+		<c:Transform>
+			<Position X="0" Y="0" Z="0"/>
+			<Orientation X="0" Y="0" Z="0"/>
+		</c:Transform>
+	</Components>
+	<Children>
+		<Entity>
+			<Components>
+				<c:Transform>
+					<Position X="0" Y="1" Z="10"/>
+				</c:Transform>
+				<c:Model>
+					<Resource>Models/Camera.obj</Resource>
+				</c:Model>
+				<c:Camera>
+					<Name>MainCamera</Name>
+				</c:Camera>
+			</Components>
+		</Entity>
+		<Entity>
+			<Components>
+				<c:Transform>
+					<Position X="5" Y="1" Z="5"/>
+				</c:Transform>
+				<c:Model>
+					<Resource>Models/Camera.obj</Resource>
+				</c:Model>
+				<c:Camera>
+					<Name>ActionCamera</Name>
+				</c:Camera>
+			</Components>
+		</Entity>
+		<Entity>
+			<Components>
+				<c:Transform>
+					<Position X="0" Y="-1" Z="0"/>
+					<Scale X="100" Y="1" Z="100"/>
+				</c:Transform>
+				<c:Model>
+					<Resource>Models/Core/UnitPlane.obj</Resource>
+				</c:Model>
+			</Components>
+		</Entity>
+		<Entity>
+			<Components>
+				<c:Transform>
+					<Position X="0" Y="0" Z="0"/>
+				</c:Transform>
+				<c:Model>
+					<Resource>An error</Resource>
+				</c:Model>
+			</Components>
+		</Entity>
+	</Children>
+</Entity>

resources/Schema/Entities/Test.xml

@@ -9,114 +9,19 @@
 			<Resource>Models/DummyScene.obj</Resource>
 		</c:Model>
 	</Components>
+</Entity>
 	<Children>
-		<Entity>
-			<Components>
-				<c:Transform>
-					<Position X="-1.5"/>
-					<Scale X="1" Y="1" Z="1"/>
-				</c:Transform>
-				<c:Model>
-					<Resource>Models/ScaleWidget.obj</Resource>
-				</c:Model>
-			</Components>
-		</Entity>
-		<Entity>
-			<Components>
-				<c:Transform>
-					<Position X="1.5"/>
-					<Scale X="2" Y="2" Z="2"/>
-				</c:Transform>
-				<c:Model>
-					<Resource>Models/RotationWidget.obj</Resource>
-				</c:Model>
-				<c:Trigger>
-				</c:Trigger>
-			</Components>
-		</Entity>
-		<!--<Entity>
-			<Components>
-				<c:Player>
-					<Velocity X="0" Y="0" Z="0"/>
-				</c:Player>
-				<c:Transform>
-					<Position X="2.5"/>
-				</c:Transform>
-				<c:Model>
-					<Resource>Models/Core/UnitCube.obj</Resource>
-				</c:Model>
-				<c:AABB>
-				</c:AABB>
-			</Components>
-		</Entity>-->
 		<Entity>
 			<Components>
 				<c:Transform>
 					<Position X="0" Y="-0"/>
 					<Scale X="1" Y="1" Z="1"/>
 				</c:Transform>
-				<!--<c:Move>
-					<Speed>1</Speed>
-					<Direction X="-1"/>
-					<Rotation Y="3.14"/>
-				</c:Move>-->
+				<c:Camera>
+				</c:Camera>
+				<c:Model>
+					<Resource>Models/Camera.obj</Resource>
+				</c:Model>
 			</Components>
-			<Children>
-				<Entity>
-					<Components>
-						<c:Transform>
-							<Position X="0" Y="0"/>
-							<Orientation X="0.0" Y="0" Z="1.0"/>
-						</c:Transform>
-						<c:Model>
-							<Resource>Models/Core/UnitRaptor.obj</Resource>
-							<Color R="1" G="0.4" B="0.8"/>
-						</c:Model>
-					</Components>
-					<Children>
-						<Entity>
-							<Components>
-								<c:Transform>
-									<Position X="-0.01" Y="0.55"/>
-									<Orientation X="0" Y="0" Z="-1"/>
-								</c:Transform>
-								<c:RaptorCopter>
-									<Speed>20</Speed>
-									<Axis Y="1"/>
-								</c:RaptorCopter>
-							</Components>
-							<Children>
-								<Entity>
-									<Components>
-										<c:Transform>
-											<Position X="0" Y="0"/>
-											<Scale X="1.7" Y="0.03" Z="0.1"/>
-											<Orientation X="0" Y="0" Z="0"/>
-										</c:Transform>
-										<c:Model>
-											<Resource>Models/Core/UnitCube.obj</Resource>
-											<Color R="1" G="0.4" B="0.8"/>
-										</c:Model>
-									</Components>
-								</Entity>
-								<Entity>
-									<Components>
-										<c:Transform>
-											<Position X="0" Y="0"/>
-											<Scale X="1.7" Y="0.03" Z="0.1"/>
-											<Orientation X="0" Y="1.57" Z="0"/>
-										</c:Transform>
-										<c:Model>
-											<Resource>Models/Core/UnitCube.obj</Resource>
-											<Color R="1" G="0.4" B="0.8"/>
-										</c:Model>
-									</Components>
-								</Entity>
-							</Children>
-						</Entity>
-					</Children>
-				</Entity>
-			</Children>
 		</Entity>
 	</Children>
-</Entity>

resources/Schema/Types/Entity.xsd

@@ -15,6 +15,7 @@
 							<xs:element ref="c:Test" minOccurs="0"/>
 							<xs:element ref="c:RaptorCopter" minOccurs="0"/>
 							<xs:element ref="c:Player" minOccurs="0"/>
+							<xs:element ref="c:Health" minOccurs="0"/>
 						</xs:all>
 					</xs:complexType>
 				</xs:element>
@@ -23,11 +24,19 @@
 					<xs:complexType>
 						<xs:sequence>
 							<xs:element ref="Entity" minOccurs="0" maxOccurs="unbounded"/>
+							<xs:element name="EntityRef" minOccurs="0" maxOccurs="unbounded">
+								<xs:complexType>
+									<xs:all>
+										<xs:attribute name="file" type="xs:string" minOccurs="0"/>
+									</xs:all>
+								</xs:complexType>
+							</xs:element>
 						</xs:sequence>
 					</xs:complexType>
 				</xs:element>
 			</xs:all>
 			<xs:attribute ref="xml:base"/>
+			<xs:attribute name="name" type="xs:string" minOccurs="0" default=""/>
 		</xs:complexType>
 	</xs:element>
 </xs:schema>

resources/Shaders/BasicForward.frag.glsl

@@ -1,8 +1,5 @@
 #version 430
 
-uniform mat4 M;
-uniform mat4 V;
-uniform mat4 P;
 uniform vec4 Color;
 
 uniform sampler2D texture0;

resources/Shaders/BasicForward.vert.glsl

@@ -25,7 +25,7 @@ out VertexData{
 
 void main()
 {
-	gl_Position = P*V*M * vec4(Position, 1.0);
+	gl_Position = P * V * M * vec4(Position, 1.0);
 
 	Output.Position = Position;
 	Output.TextureCoordinate = TextureCoords;

resources/Shaders/Picking.frag.glsl

@@ -1,8 +1,5 @@
 #version 430
 
-uniform mat4 M;
-uniform mat4 V;
-uniform mat4 P;
 uniform vec2 PickingColor;
 
 in VertexData{

resources/Shaders/Picking.vert.glsl

@@ -22,7 +22,7 @@ out VertexData{
 
 void main()
 {
-	gl_Position = P*V*M * vec4(Position, 1.0);
+	gl_Position = P * V* M * vec4(Position, 1.0);
 
 	Output.Position = Position;
 }

src/Engine/CMakeLists.txt

@@ -90,12 +90,27 @@ set(SOURCE_FILES
     ${SOURCE_FILES_Rendering}
     ${SOURCE_FILES_Rendering_Util}
     ${SOURCE_FILES_Collision}
+	${SOURCE_FILES_Editor}
 	${CMAKE_SOURCE_DIR}/deps/include/imgui/imgui.cpp
 	${CMAKE_SOURCE_DIR}/deps/include/imgui/imgui_draw.cpp
 	${CMAKE_SOURCE_DIR}/deps/include/imgui/imgui_demo.cpp
-	${SOURCE_FILES_Editor}
+	${CMAKE_SOURCE_DIR}/deps/include/nativefiledialog/nfd_common.c
 )
 
+# nativefiledialog
+if(WIN32)
+	set(SOURCE_FILES ${SOURCE_FILES}
+		${CMAKE_SOURCE_DIR}/deps/include/nativefiledialog/nfd_win.cpp
+	)
+endif()
+if(UNIX)
+	set(SOURCE_FILES ${SOURCE_FILES}
+		${CMAKE_SOURCE_DIR}/deps/include/nativefiledialog/nfd_gtk.c
+		# TODO: Link with GTK+ here!
+	)
+endif()
+
+
 set(LIBRARIES
     ${OPENGL_LIBRARIES}
     ${GLEW_LIBRARIES}

src/Engine/Collision/Collision.cpp

@@ -8,196 +8,196 @@
 namespace Collision
 {
 
-    //note: this one hasnt been delta adjusted like RayVsAABB has
-    bool RayAABBIntr(const Ray& ray, const AABB& box)
-    {
-        glm::vec3 w = 75.0f * ray.Direction();
-        glm::vec3 v = glm::abs(w);
-        glm::vec3 c = ray.Origin() - box.Center() + w;
-        glm::vec3 half = box.HalfSize();
+//note: this one hasnt been delta adjusted like RayVsAABB has
+bool RayAABBIntr(const Ray& ray, const AABB& box)
+{
+    glm::vec3 w = 75.0f * ray.Direction();
+    glm::vec3 v = glm::abs(w);
+    glm::vec3 c = ray.Origin() - box.Center() + w;
+    glm::vec3 half = box.HalfSize();
 
-        if (abs(c.x) > v.x + half.x) {
-            return false;
-        }
-        if (abs(c.y) > v.y + half.y) {
-            return false;
-        }
-        if (abs(c.z) > v.z + half.z) {
-            return false;
-        }
-
-        if (abs(c.y*w.z - c.z*w.y) > half.y*v.z + half.z*v.y) {
-            return false;
-        }
-        if (abs(c.x*w.z - c.z*w.x) > half.x*v.z + half.z*v.x) {
-            return false;
-        }
-        return !(abs(c.x*w.y - c.y*w.x) > half.x*v.y + half.y*v.x);
+    if (abs(c.x) > v.x + half.x) {
+        return false;
     }
-
-    bool RayVsAABB(const Ray& ray, const AABB& box)
-    {
-        float dummy;
-        return RayVsAABB(ray, box, dummy);
+    if (abs(c.y) > v.y + half.y) {
+        return false;
     }
-
-    bool RayVsAABB(const Ray& ray, const AABB& box, float& outDistance)
-    {
-        glm::vec3 invdir = 1.0f / ray.Direction();
-        glm::vec3 origin = ray.Origin();
-
-        float t1 = (box.MinCorner().x - origin.x)*invdir.x;
-        float t2 = (box.MaxCorner().x - origin.x)*invdir.x;
-        float t3 = (box.MinCorner().y - origin.y)*invdir.y;
-        float t4 = (box.MaxCorner().y - origin.y)*invdir.y;
-        float t5 = (box.MinCorner().z - origin.z)*invdir.z;
-        float t6 = (box.MaxCorner().z - origin.z)*invdir.z;
-
-        float tmin = std::max(std::max(std::min(t1, t2), std::min(t3, t4)), std::min(t5, t6));
-        float tmax = std::min(std::min(std::max(t1, t2), std::max(t3, t4)), std::max(t5, t6));
-
-        //if (tmax < 0 || tmin > tmax)
-        //if tmin,tmax are almost the same (i.e. hitting exactly in the corner) then tmin might be slightly 
-        //greater than tmax becuase of floating-precision problems. fixed by adding a small delta to tmax
-        if (tmax < 0 || tmin>(tmax + 0.0001f))
-            return false;
-
-        outDistance = (tmin > 0) ? tmin : tmax;
-        return true;
-    }
-
-    bool AABBVsAABB(const AABB& a, const AABB& b)
-    {
-        const glm::vec3& aCenter = a.Center();
-        const glm::vec3& bCenter = b.Center();
-        const glm::vec3& aHSize = a.HalfSize();
-        const glm::vec3& bHSize = b.HalfSize();
-        //Test will probably exit because of the X and Z axes more often, so test them first.
-        if (abs(aCenter[0] - bCenter[0]) > (aHSize[0] + bHSize[0])) {
-            return false;
-        }
-        if (abs(aCenter[2] - bCenter[2]) > (aHSize[2] + bHSize[2])) {
-            return false;
-        }
-        return (abs(aCenter[1] - bCenter[1]) <= (aHSize[1] + bHSize[1]));
-    }
-
-    bool AABBVsAABB(const AABB& a, const AABB& b, glm::vec3& minimumTranslation)
-    {
-        minimumTranslation = glm::vec3(0, 0, 0);
-        const glm::vec3& aMax = a.MaxCorner();
-        const glm::vec3& bMax = b.MaxCorner();
-        const glm::vec3& aMin = a.MinCorner();
-        const glm::vec3& bMin = b.MinCorner();
-        const glm::vec3& bSize = b.Size();
-        const glm::vec3& aSize = a.Size();
-        float minOffset = INFINITY;
-        float off;
-        auto axisesIntersecting = glm::tvec3<bool, glm::highp>(false, false, false);
-        for (int i = 0; i < 3; ++i) {
-            off = bMax[i] - aMin[i];
-            if (off > 0 && off < bSize[i] + aSize[i]) {
-                if (off < minOffset) {
-                    minimumTranslation = glm::vec3();
-                    minimumTranslation[i] = minOffset = off;
-                }
-                axisesIntersecting[i] = true;
-            }
-            off = aMax[i] - bMin[i];
-            if (off > 0 && off < bSize[i] + aSize[i]) {
-                if (off < minOffset) {
-                    minOffset = off;
-                    minimumTranslation = glm::vec3();
-                    minimumTranslation[i] = -off;
-                }
-                axisesIntersecting[i] = true;
-            }
-        }
-        return glm::all(axisesIntersecting);
-    }
-
-    bool RayVsModel(const Ray& ray,
-        const std::vector<RawModel::Vertex>& modelVertices,
-        const std::vector<unsigned int>& modelIndices)
-    {
-        for (int i = 0; i < modelIndices.size(); ++i) {
-            glm::vec3 v0 = modelVertices[modelIndices[i]].Position;
-            glm::vec3 e1 = modelVertices[modelIndices[++i]].Position - v0;		//v1 - v0
-            glm::vec3 e2 = modelVertices[modelIndices[++i]].Position - v0;		//v2 - v0
-            glm::vec3 m = ray.Origin() - v0;
-            glm::vec3 MxE1 = glm::cross(m, e1);
-            glm::vec3 DxE2 = glm::cross(ray.Direction(), e2);
-            float DetInv = glm::dot(e1, DxE2);
-            if (std::abs(DetInv) < FLT_EPSILON) {
-                continue;
-            }
-            DetInv = 1.0f / DetInv;
-            float u = glm::dot(m, DxE2) * DetInv;
-            float v = glm::dot(ray.Direction(), MxE1) * DetInv;
-            //u,v can be very close to 0 but still negative sometimes. added a deltafactor to compensate for that problem
-            if ((u + 0.001f) < 0 || (v + 0.001f) < 0 || 1 < u + v) {
-                continue;
-            }
-            //Here, u and v are positive, u+v <= 1, and if distance is positive - triangle is hit.
-            if (0 <= glm::dot(e2, MxE1) * DetInv) {
-                return true;
-            }
-        }
+    if (abs(c.z) > v.z + half.z) {
         return false;
     }
 
-    bool RayVsModel(const Ray& ray,
-        const std::vector<RawModel::Vertex>& modelVertices,
-        const std::vector<unsigned int>& modelIndices,
-        float& outDistance,
-        float& outUCoord,
-        float& outVCoord)
-    {
-        outDistance = INFINITY;
-        bool hit = false;
-        for (int i = 0; i < modelIndices.size(); ++i) {
-            glm::vec3 v0 = modelVertices[modelIndices[i]].Position;
-            glm::vec3 e1 = modelVertices[modelIndices[++i]].Position - v0;		//v1 - v0
-            glm::vec3 e2 = modelVertices[modelIndices[++i]].Position - v0;		//v2 - v0
-            glm::vec3 m = ray.Origin() - v0;
-            glm::vec3 MxE1 = glm::cross(m, e1);
-            glm::vec3 DxE2 = glm::cross(ray.Direction(), e2);//pVec
-            float DetInv = glm::dot(e1, DxE2);
-            if (std::abs(DetInv) < FLT_EPSILON) {
-                continue;
-            }
-            DetInv = 1.0f / DetInv;
-            float dist = glm::dot(e2, MxE1) * DetInv;
-            if (dist >= outDistance) {
-                continue;
-            }
-            float u = glm::dot(m, DxE2) * DetInv;
-            float v = glm::dot(ray.Direction(), MxE1) * DetInv;
+    if (abs(c.y*w.z - c.z*w.y) > half.y*v.z + half.z*v.y) {
+        return false;
+    }
+    if (abs(c.x*w.z - c.z*w.x) > half.x*v.z + half.z*v.x) {
+        return false;
+    }
+    return !(abs(c.x*w.y - c.y*w.x) > half.x*v.y + half.y*v.x);
+}
 
-            //u,v can be very close to 0 but still negative sometimes. added a deltafactor to compensate for that problem
-            //If u and v are positive, u+v <= 1, dist is positive, and less than closest.
-            if (0 <= (u + 0.001f) && 0 <= (v + 0.001f) && u + v <= 1 && 0 <= dist) {
-                outDistance = dist;
-                outUCoord = u;
-                outVCoord = v;
-                hit = true;
+bool RayVsAABB(const Ray& ray, const AABB& box)
+{
+    float dummy;
+    return RayVsAABB(ray, box, dummy);
+}
+
+bool RayVsAABB(const Ray& ray, const AABB& box, float& outDistance)
+{
+    glm::vec3 invdir = 1.0f / ray.Direction();
+    glm::vec3 origin = ray.Origin();
+
+    float t1 = (box.MinCorner().x - origin.x)*invdir.x;
+    float t2 = (box.MaxCorner().x - origin.x)*invdir.x;
+    float t3 = (box.MinCorner().y - origin.y)*invdir.y;
+    float t4 = (box.MaxCorner().y - origin.y)*invdir.y;
+    float t5 = (box.MinCorner().z - origin.z)*invdir.z;
+    float t6 = (box.MaxCorner().z - origin.z)*invdir.z;
+
+    float tmin = std::max(std::max(std::min(t1, t2), std::min(t3, t4)), std::min(t5, t6));
+    float tmax = std::min(std::min(std::max(t1, t2), std::max(t3, t4)), std::max(t5, t6));
+
+    //if (tmax < 0 || tmin > tmax)
+    //if tmin,tmax are almost the same (i.e. hitting exactly in the corner) then tmin might be slightly 
+    //greater than tmax becuase of floating-precision problems. fixed by adding a small delta to tmax
+    if (tmax < 0 || tmin>(tmax + 0.0001f))
+        return false;
+
+    outDistance = (tmin > 0) ? tmin : tmax;
+    return true;
+}
+
+bool AABBVsAABB(const AABB& a, const AABB& b)
+{
+    const glm::vec3& aCenter = a.Center();
+    const glm::vec3& bCenter = b.Center();
+    const glm::vec3& aHSize = a.HalfSize();
+    const glm::vec3& bHSize = b.HalfSize();
+    //Test will probably exit because of the X and Z axes more often, so test them first.
+    if (abs(aCenter[0] - bCenter[0]) > (aHSize[0] + bHSize[0])) {
+        return false;
+    }
+    if (abs(aCenter[2] - bCenter[2]) > (aHSize[2] + bHSize[2])) {
+        return false;
+    }
+    return (abs(aCenter[1] - bCenter[1]) <= (aHSize[1] + bHSize[1]));
+}
+
+bool AABBVsAABB(const AABB& a, const AABB& b, glm::vec3& minimumTranslation)
+{
+    minimumTranslation = glm::vec3(0, 0, 0);
+    const glm::vec3& aMax = a.MaxCorner();
+    const glm::vec3& bMax = b.MaxCorner();
+    const glm::vec3& aMin = a.MinCorner();
+    const glm::vec3& bMin = b.MinCorner();
+    const glm::vec3& bSize = b.Size();
+    const glm::vec3& aSize = a.Size();
+    float minOffset = INFINITY;
+    float off;
+    auto axisesIntersecting = glm::tvec3<bool, glm::highp>(false, false, false);
+    for (int i = 0; i < 3; ++i) {
+        off = bMax[i] - aMin[i];
+        if (off > 0 && off < bSize[i] + aSize[i]) {
+            if (off < minOffset) {
+                minimumTranslation = glm::vec3();
+                minimumTranslation[i] = minOffset = off;
             }
+            axisesIntersecting[i] = true;
+        }
+        off = aMax[i] - bMin[i];
+        if (off > 0 && off < bSize[i] + aSize[i]) {
+            if (off < minOffset) {
+                minOffset = off;
+                minimumTranslation = glm::vec3();
+                minimumTranslation[i] = -off;
+            }
+            axisesIntersecting[i] = true;
         }
-        return hit;
     }
+    return glm::all(axisesIntersecting);
+}
 
-    bool RayVsModel(const Ray& ray,
-        const std::vector<RawModel::Vertex>& modelVertices,
-        const std::vector<unsigned int>& modelIndices,
-        glm::vec3& outHitPosition)
-    {
-        float u;
-        float v;
-        float dist;
-        bool hit = RayVsModel(ray, modelVertices, modelIndices, dist, u, v);
-        outHitPosition = ray.Origin() + dist * ray.Direction();
-        return hit;
+bool RayVsModel(const Ray& ray,
+    const std::vector<RawModel::Vertex>& modelVertices,
+    const std::vector<unsigned int>& modelIndices)
+{
+    for (int i = 0; i < modelIndices.size(); ++i) {
+        glm::vec3 v0 = modelVertices[modelIndices[i]].Position;
+        glm::vec3 e1 = modelVertices[modelIndices[++i]].Position - v0;		//v1 - v0
+        glm::vec3 e2 = modelVertices[modelIndices[++i]].Position - v0;		//v2 - v0
+        glm::vec3 m = ray.Origin() - v0;
+        glm::vec3 MxE1 = glm::cross(m, e1);
+        glm::vec3 DxE2 = glm::cross(ray.Direction(), e2);
+        float DetInv = glm::dot(e1, DxE2);
+        if (std::abs(DetInv) < FLT_EPSILON) {
+            continue;
+        }
+        DetInv = 1.0f / DetInv;
+        float u = glm::dot(m, DxE2) * DetInv;
+        float v = glm::dot(ray.Direction(), MxE1) * DetInv;
+        //u,v can be very close to 0 but still negative sometimes. added a deltafactor to compensate for that problem
+        if ((u + 0.001f) < 0 || (v + 0.001f) < 0 || 1 < u + v) {
+            continue;
+        }
+        //Here, u and v are positive, u+v <= 1, and if distance is positive - triangle is hit.
+        if (0 <= glm::dot(e2, MxE1) * DetInv) {
+            return true;
+        }
     }
+    return false;
+}
+
+bool RayVsModel(const Ray& ray,
+    const std::vector<RawModel::Vertex>& modelVertices,
+    const std::vector<unsigned int>& modelIndices,
+    float& outDistance,
+    float& outUCoord,
+    float& outVCoord)
+{
+    outDistance = INFINITY;
+    bool hit = false;
+    for (int i = 0; i < modelIndices.size(); ++i) {
+        glm::vec3 v0 = modelVertices[modelIndices[i]].Position;
+        glm::vec3 e1 = modelVertices[modelIndices[++i]].Position - v0;		//v1 - v0
+        glm::vec3 e2 = modelVertices[modelIndices[++i]].Position - v0;		//v2 - v0
+        glm::vec3 m = ray.Origin() - v0;
+        glm::vec3 MxE1 = glm::cross(m, e1);
+        glm::vec3 DxE2 = glm::cross(ray.Direction(), e2);//pVec
+        float DetInv = glm::dot(e1, DxE2);
+        if (std::abs(DetInv) < FLT_EPSILON) {
+            continue;
+        }
+        DetInv = 1.0f / DetInv;
+        float dist = glm::dot(e2, MxE1) * DetInv;
+        if (dist >= outDistance) {
+            continue;
+        }
+        float u = glm::dot(m, DxE2) * DetInv;
+        float v = glm::dot(ray.Direction(), MxE1) * DetInv;
+
+        //u,v can be very close to 0 but still negative sometimes. added a deltafactor to compensate for that problem
+        //If u and v are positive, u+v <= 1, dist is positive, and less than closest.
+        if (0 <= (u + 0.001f) && 0 <= (v + 0.001f) && u + v <= 1 && 0 <= dist) {
+            outDistance = dist;
+            outUCoord = u;
+            outVCoord = v;
+            hit = true;
+        }
+    }
+    return hit;
+}
+
+bool RayVsModel(const Ray& ray,
+    const std::vector<RawModel::Vertex>& modelVertices,
+    const std::vector<unsigned int>& modelIndices,
+    glm::vec3& outHitPosition)
+{
+    float u;
+    float v;
+    float dist;
+    bool hit = RayVsModel(ray, modelVertices, modelIndices, dist, u, v);
+    outHitPosition = ray.Origin() + dist * ray.Direction();
+    return hit;
+}
 
 bool IsSameBoxProbably(const AABB& first, const AABB& second, const float epsilon)
 {

src/Engine/Collision/CollisionSystem.cpp

@@ -4,8 +4,6 @@
 
 void CollisionSystem::UpdateComponent(World * world, ComponentWrapper & cAABB, double dt)
 {
-    //TODO: Update CollisionSystem system after PlayerSystem.
-
     //Right now, cAABB is a component attached to any entity that should be collideable.
     AABB thisBox;
     if (!Collision::GetEntityBox(world, cAABB, thisBox)) {

src/Engine/Core/EntityFile.cpp

@@ -0,0 +1,95 @@
+#include "Core/EntityFile.h"
+
+EntityFile::EntityFile(boost::filesystem::path path)
+    : m_FilePath(path)
+{
+    using namespace xercesc;
+    XMLPlatformUtils::Initialize();
+    m_GrammarPool = new XMLGrammarPoolImpl();
+    m_SAX2XMLReader = XMLReaderFactory::createXMLReader(XMLPlatformUtils::fgMemoryManager, m_GrammarPool);
+}
+
+EntityFile::~EntityFile()
+{
+    delete m_SAX2XMLReader;
+    delete m_GrammarPool;
+    xercesc::XMLPlatformUtils::Terminate();
+}
+
+void EntityFile::Parse(const EntityFileHandler* handler) const
+{
+    using namespace xercesc;
+
+    EntityFileSAXHandler saxHandler(handler, nullptr);
+    m_SAX2XMLReader->setFeature(XMLUni::fgXercesCacheGrammarFromParse, true);
+    m_SAX2XMLReader->setFeature(XMLUni::fgXercesUseCachedGrammarInParse, true);
+    m_SAX2XMLReader->setContentHandler(&saxHandler);
+    m_SAX2XMLReader->setErrorHandler(&saxHandler);
+    m_SAX2XMLReader->setDeclarationHandler(&saxHandler);
+    m_SAX2XMLReader->parse(m_FilePath.string().c_str());
+}
+
+std::size_t EntityFile::GetTypeStride(std::string typeName)
+{
+    std::map<std::string, size_t> typeStrides{
+        { "bool", sizeof(bool) },
+        { "int", sizeof(int) },
+        { "float", sizeof(float) },
+        { "double", sizeof(double) },
+        { "string", sizeof(std::string) },
+        { "Vector", sizeof(glm::vec3) },
+        { "Quaternion", sizeof(glm::quat) },
+        { "Color", sizeof(glm::vec4) }
+    };
+
+    auto it = typeStrides.find(typeName);
+    return (it != typeStrides.end()) ? it->second : 0;
+}
+
+void EntityFile::WriteAttributeData(char* outData, const ComponentInfo::Field_t& field, const std::map<std::string, std::string>& attributes)
+{
+    if (field.Type == "Vector") {
+        glm::vec3 vec;
+        vec.x = boost::lexical_cast<float>(attributes.at("X"));
+        vec.y = boost::lexical_cast<float>(attributes.at("Y"));
+        vec.z = boost::lexical_cast<float>(attributes.at("Z"));
+        memcpy(outData, reinterpret_cast<char*>(&vec), field.Stride);
+    } else if (field.Type == "Color") {
+        glm::vec4 vec;
+        vec.r = boost::lexical_cast<float>(attributes.at("R"));
+        vec.g = boost::lexical_cast<float>(attributes.at("G"));
+        vec.b = boost::lexical_cast<float>(attributes.at("B"));
+        vec.a = boost::lexical_cast<float>(attributes.at("A"));
+        memcpy(outData, reinterpret_cast<char*>(&vec), field.Stride);
+    } else if (field.Type == "Quaternion") {
+        glm::quat q;
+        q.x = boost::lexical_cast<float>(attributes.at("X"));
+        q.y = boost::lexical_cast<float>(attributes.at("Y"));
+        q.z = boost::lexical_cast<float>(attributes.at("Z"));
+        q.w = boost::lexical_cast<float>(attributes.at("W"));
+        memcpy(outData, reinterpret_cast<char*>(&q), field.Stride);
+    } else if (!attributes.empty()) {
+        LOG_WARNING("%i attributes not handled by any type conversion!", attributes.size());
+    }
+}
+
+void EntityFile::WriteValueData(char* outData, const ComponentInfo::Field_t& field, const char* valueData)
+{
+    if (field.Type == "int") {
+        int value = boost::lexical_cast<int>(valueData);
+        memcpy(outData, reinterpret_cast<char*>(&value), field.Stride);
+    } else if (field.Type == "float") {
+        float value = boost::lexical_cast<float>(valueData);
+        memcpy(outData, reinterpret_cast<char*>(&value), field.Stride);
+    } else if (field.Type == "double") {
+        double value = boost::lexical_cast<double>(valueData);
+        memcpy(outData, reinterpret_cast<char*>(&value), field.Stride);
+    } else if (field.Type == "bool") {
+        bool value = (valueData[0] == 't'); // Lazy bool evaluation
+        memcpy(outData, reinterpret_cast<char*>(&value), field.Stride);
+    } else if (field.Type == "string") {
+        new (outData) std::string(valueData);
+    } else {
+        LOG_WARNING("Unknown value data type: %s", field.Type.c_str());
+    }
+}

src/Engine/Core/EntityFileParser.cpp

@@ -0,0 +1,61 @@
+#include "Core/EntityFileParser.h"
+
+EntityFileParser::EntityFileParser(const EntityFile* entityFile) 
+    : m_EntityFile(entityFile)
+{
+    m_Handler.SetStartEntityCallback(std::bind(&EntityFileParser::onStartEntity, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
+    m_Handler.SetStartComponentCallback(std::bind(&EntityFileParser::onStartComponent, this, std::placeholders::_1, std::placeholders::_2));
+    m_Handler.SetStartFieldCallback(std::bind(&EntityFileParser::onStartComponentField, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4));
+    m_Handler.SetStartFieldDataCallback(std::bind(&EntityFileParser::onFieldData, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4));
+}
+
+void EntityFileParser::MergeEntities(World* world)
+{
+    m_World = world;
+    m_EntityIDMapper[0] = 0;
+    m_EntityFile->Parse(&m_Handler);
+}
+
+void EntityFileParser::onStartEntity(EntityID entity, EntityID parent, const std::string& name)
+{
+    EntityID realParent = m_EntityIDMapper.at(parent);
+    EntityID realEntity = m_World->CreateEntity(realParent);
+    if (!name.empty()) {
+        m_World->SetName(realEntity, name);
+    }
+    m_EntityIDMapper[entity] = realEntity;
+    LOG_DEBUG("Created entity #%i (%i) with parent %i (%i)", entity, realEntity, parent, realParent);
+}
+
+void EntityFileParser::onStartComponent(EntityID entity, const std::string& component)
+{
+    EntityID realEntity = m_EntityIDMapper.at(entity);
+    m_World->AttachComponent(realEntity, component);
+    LOG_DEBUG("Attached component of type \"%s\" to entity #%i (%i)", component.c_str(), entity, realEntity);
+}
+
+void EntityFileParser::onStartComponentField(EntityID entity, const std::string& componentType, const std::string& fieldName, const std::map<std::string, std::string>& attributes)
+{
+    EntityID realEntity = m_EntityIDMapper.at(entity);
+    ComponentWrapper component = m_World->GetComponent(realEntity, componentType);
+    auto& field = component.Info.Fields.at(fieldName);
+
+    LOG_DEBUG("Field \"%s\" type \"%s\"", fieldName.c_str(), field.Type.c_str());
+    LOG_DEBUG("Attributes:");
+    for (auto& kv : attributes) {
+        LOG_DEBUG("\t%s = %s", kv.first.c_str(), kv.second.c_str());
+    }
+
+    char* data = component.Data + field.Offset;
+    EntityFile::WriteAttributeData(data, field, attributes);
+}
+
+void EntityFileParser::onFieldData(EntityID entity, const std::string& componentType, const std::string& fieldName, const char* fieldData)
+{
+    EntityID realEntity = m_EntityIDMapper.at(entity);
+    ComponentWrapper component = m_World->GetComponent(realEntity, componentType);
+    auto& field = component.Info.Fields.at(fieldName);
+
+    char* data = component.Data + field.Offset;
+    EntityFile::WriteValueData(data, field, fieldData);
+}

src/Engine/Core/EntityFilePreprocessor.cpp

@@ -0,0 +1,230 @@
+#include "Core/EntityFilePreprocessor.h"
+
+EntityFilePreprocessor::EntityFilePreprocessor(const EntityFile* entityFile) 
+    : m_EntityFile(entityFile)
+{
+    EntityFileHandler handler;
+    handler.SetStartComponentCallback(std::bind(&EntityFilePreprocessor::onStartComponent, this, std::placeholders::_1, std::placeholders::_2));
+    m_EntityFile->Parse(&handler);
+
+    LOG_DEBUG("___ COMPONENT DEFINITIONS ___");
+    for (auto& kv : m_ComponentCounts) {
+        LOG_DEBUG("%s: %i", kv.first.c_str(), kv.second);
+    }
+
+    parseComponentInfo();
+
+    for (auto& kv : m_ComponentInfo) {
+        auto& info = kv.second;
+        LOG_DEBUG("Component: %s (%s)", info.Name.c_str(), info.Meta.Annotation.c_str());
+        LOG_DEBUG("Stride: %i", info.Meta.Stride);
+        LOG_DEBUG("Allocation: %i", info.Meta.Allocation);
+        for (auto& kv : info.Fields) {
+            auto& field = kv.second;
+            LOG_DEBUG("\t%i\t%s %s", field.Offset, field.Type, kv.first.c_str());
+        }
+    }
+
+    parseDefaults();
+}
+
+void EntityFilePreprocessor::RegisterComponents(World* world)
+{
+    for (auto& kv : m_ComponentInfo) {
+        world->RegisterComponent(kv.second);
+    }
+}
+
+void EntityFilePreprocessor::onStartComponent(EntityID entity, std::string type)
+{
+    //LOG_DEBUG("Component: %s", type.c_str());
+    m_ComponentCounts[type]++;
+}
+
+void EntityFilePreprocessor::parseComponentInfo()
+{
+    using namespace xercesc;
+    EntityFileXMLErrorHandler errorHandler;
+    auto grammarPool = m_EntityFile->GrammarPool();
+    bool whateverTheFuckThisIs;
+    auto xsModel = grammarPool->getXSModel(whateverTheFuckThisIs);
+
+    // Find component xsd element declarations
+    std::cout << "Enumerating components..." << std::endl;
+    // <xs:element name="ComponentName">
+    auto topLevelElements = xsModel->getComponents(XSConstants::ELEMENT_DECLARATION);
+    for (unsigned int i = 0; i < topLevelElements->getLength(); ++i) {
+        auto element = static_cast<XSElementDeclaration*>(topLevelElements->item(i));
+
+        std::string nameSpace = XS::ToString(element->getNamespace());
+        if (nameSpace != "components") {
+            continue;
+        }
+
+        ComponentInfo compInfo;
+
+        // Name
+        compInfo.Name = XS::ToString(element->getName());
+        // Known allocation
+        compInfo.Meta.Allocation = m_ComponentCounts[compInfo.Name];
+        // Annotation
+        auto componentAnnotation = element->getAnnotation();
+        if (componentAnnotation != nullptr) {
+            // Parse annotation XML
+            char* annotationString = XMLString::transcode(componentAnnotation->getAnnotationString());
+            MemBufInputSource annotationInput(reinterpret_cast<const XMLByte*>(annotationString), strlen(annotationString), "MemBuf: Annotation String");
+            XercesDOMParser parser(nullptr, XMLPlatformUtils::fgMemoryManager, grammarPool);
+            parser.setErrorHandler(&errorHandler);
+            parser.parse(annotationInput);
+            XMLString::release(&annotationString);
+            auto doc = parser.getDocument();
+
+            // TODO: Add allocation estimations from external file on map-to-map basis
+            // Add allocation estimation(s)
+            //auto allocationTags = doc->getElementsByTagName(XSTR("meta:allocation"));
+            //for (int i = 0; i < allocationTags->getLength(); ++i) {
+            //    auto allocation = dynamic_cast<DOMElement*>(allocationTags->item(i));
+            //    auto child = allocation->getFirstChild();
+            //    if (child == nullptr) {
+            //        continue;
+            //    }
+
+            //    XSValue::Status status;
+            //    XSValue* val = XSValue::getActualValue(child->getNodeValue(), XSValue::dt_integer, status);
+            //    compInfo.Meta.Allocation += val->fData.fValue.f_int;
+            //}
+
+            // Save documentation string
+            auto documentationTags = doc->getElementsByTagName(XS::ToXMLCh("xs:documentation"));
+            if (documentationTags->getLength() != 0) {
+                auto child = documentationTags->item(0)->getFirstChild();
+                if (child != nullptr) {
+                    compInfo.Meta.Annotation = XS::ToString(child->getNodeValue());
+                }
+            }
+        } else {
+            LOG_WARNING("Component is missing an annotation!");
+        }
+
+        // <xs:complexType>
+        auto typeDefinition = element->getTypeDefinition();
+        if (typeDefinition->getTypeCategory() != XSTypeDefinition::COMPLEX_TYPE) {
+            LOG_ERROR("Type definition wasn't COMPLEX_TYPE! Skipping.");
+            continue;
+        }
+        auto complexTypeDefinition = dynamic_cast<XSComplexTypeDefinition*>(typeDefinition);
+
+        // <xs:all>
+        auto modelGroupParticle = complexTypeDefinition->getParticle();
+        if (modelGroupParticle->getTermType() != XSParticle::TERM_MODELGROUP) {
+            LOG_ERROR("Model group particle wasn't TERM_MODELGROUP! Skipping.");
+            continue;
+        }
+        auto modelGroup = modelGroupParticle->getModelGroupTerm();
+
+        // <xs:element... 
+        // <xs:attribute...
+        unsigned int fieldOffset = 0;
+        auto particles = modelGroup->getParticles();
+        for (unsigned int i = 0; i < particles->size(); ++i) {
+            auto particle = particles->elementAt(i);
+            if (particle->getTermType() != XSParticle::TERM_ELEMENT) {
+                LOG_ERROR("Particle wasn't TERM_ELEMENT! Skipping.");
+                continue;
+            }
+            auto elementDeclaration = particle->getElementTerm();
+
+            std::string name = XS::ToString(elementDeclaration->getName());
+            std::string type = XS::ToString(elementDeclaration->getTypeDefinition()->getName());
+
+            size_t stride = EntityFile::GetTypeStride(type);
+            if (stride == 0) {
+                std::cout << "Warning: Field \"" << name << "\" in component \"" << compInfo.Name << "\" uses unexpected field type \"" << type << "\". Skipping." << std::endl;
+                continue;
+            }
+
+            auto& field = compInfo.Fields[name];
+            field.Name = name;
+            field.Type = type;
+            field.Offset = fieldOffset;
+            field.Stride = stride;
+            compInfo.FieldsInOrder.push_back(name);
+
+            fieldOffset += stride;
+        }
+
+        compInfo.Meta.Stride = fieldOffset;
+        m_ComponentInfo[compInfo.Name] = compInfo;
+    }
+}
+
+void EntityFilePreprocessor::parseDefaults()
+{
+    using namespace xercesc;
+
+    EntityFileXMLErrorHandler errorHandler;
+
+    for (auto& ci : m_ComponentInfo) {
+        // Allocate memory for default values
+        ci.second.Defaults = std::shared_ptr<char>(new char[ci.second.Meta.Stride]);
+        memset(ci.second.Defaults.get(), 0, ci.second.Meta.Stride);
+
+        XercesDOMParser parser(nullptr, XMLPlatformUtils::fgMemoryManager);
+        parser.setErrorHandler(&errorHandler);
+
+        std::string componentName = ci.first;
+        LOG_DEBUG("Parsing defaults for component %s", componentName.c_str());
+        boost::filesystem::path defaultsFile = "Schema/Components/" + componentName + ".xml";
+
+        parser.parse(defaultsFile.string().c_str());
+        auto doc = parser.getDocument();
+        if (doc == nullptr) {
+            LOG_ERROR("%s not found! Skipping.", defaultsFile.string().c_str());
+            continue;
+        }
+
+        // Find the node in the components namespace matching the component name
+        std::string tagName = "c:" + componentName;
+        auto rootNodes = doc->getElementsByTagName(XS::ToXMLCh(tagName));
+        if (rootNodes->getLength() == 0) {
+            LOG_ERROR("Couldn't find defaults for component \"%s\"! Skipping.", componentName.c_str());
+            continue;
+        }
+        auto componentElement = dynamic_cast<DOMElement*>(rootNodes->item(0));
+
+        // Fill the default value buffer with values
+        for (auto& kv : ci.second.Fields) {
+            std::string fieldName = kv.first;
+            auto& field = kv.second;
+            auto fieldNodes = componentElement->getElementsByTagName(XS::ToXMLCh(fieldName));
+            auto fieldNode = fieldNodes->item(0);
+            if (fieldNode == nullptr) {
+                LOG_ERROR("Defaults for component \"%s\" is missing field \"%s\"!", componentName.c_str(), fieldName.c_str());
+                continue;
+            }
+            auto fieldElement = dynamic_cast<DOMElement*>(fieldNode);
+
+            char* data = ci.second.Defaults.get() + field.Offset;
+
+            // Handle potential field attributes
+            if (fieldElement->hasAttributes()) {
+                std::map<std::string, std::string> attributes;
+                auto attributeMap = fieldElement->getAttributes();
+                for (int i = 0; i < attributeMap->getLength(); ++i) {
+                    auto attribItem = attributeMap->item(i);
+                    attributes[XS::ToString(attribItem->getNodeName())] = XS::ToString(attribItem->getNodeValue());
+                }
+                EntityFile::WriteAttributeData(data, field, attributes);
+            }
+
+            // Handle potential field values
+            auto childNode = fieldElement->getFirstChild();
+            if (childNode != nullptr && childNode->getNodeType() == DOMNode::TEXT_NODE) {
+                char* cstrValue = XMLString::transcode(childNode->getNodeValue());
+                EntityFile::WriteValueData(data, field, cstrValue);
+                XMLString::release(&cstrValue);
+            }
+        }
+    }
+}
+

src/Engine/Core/EntityFileWriter.cpp

@@ -0,0 +1,140 @@
+#include "Core/EntityFileWriter.h"
+
+#define X(str) XS::ToXMLCh(str)
+
+void EntityFileWriter::WriteWorld(World* world)
+{
+    WriteEntity(world, 0);
+}
+
+void EntityFileWriter::WriteEntity(World* world, EntityID entity)
+{
+    using namespace xercesc;
+    DOMDocument* doc = m_DOMImplementation->createDocument(nullptr, X("Entity"), nullptr);
+    DOMElement* root = doc->getDocumentElement();
+    root->setAttribute(X("xmlns:xsi"), X("http://www.w3.org/2001/XMLSchema-instance"));
+    root->setAttribute(X("xsi:noNamespaceSchemaLocation"), X("../Types/Entity.xsd"));
+    root->setAttribute(X("xmlns:c"), X("components"));
+    const std::string& name = world->GetName(entity);
+    if (!name.empty()) {
+        root->setAttribute(X("name"), X(name));
+    }
+    
+    DOMElement* componentsElement = doc->createElement(X("Components"));
+    root->appendChild(componentsElement);
+    appentEntityComponents(componentsElement, world, entity);
+
+    DOMElement* childrenElement = doc->createElement(X("Children"));
+    root->appendChild(childrenElement);
+    appendEntityChildren(childrenElement, world, entity);
+
+    try {
+        LocalFileFormatTarget* target = new LocalFileFormatTarget(X(m_FilePath.string()));
+        DOMLSOutput* output = static_cast<DOMImplementationLS*>(m_DOMImplementation)->createLSOutput();
+        output->setByteStream(target);
+        m_DOMLSSerializer->write(doc, output);
+        delete target;
+    } catch (const std::runtime_error& e) {
+        LOG_ERROR("Failed to save \"%s\": %s", m_FilePath.c_str(), e.what());
+    }
+
+    doc->release();
+}
+
+void EntityFileWriter::appendEntityChildren(xercesc::DOMElement* parentElement, const World* world, EntityID entity)
+{
+    using namespace xercesc;
+    DOMDocument* doc = parentElement->getOwnerDocument();
+
+    auto childrenRange = world->GetEntityChildren().equal_range(entity);
+    for (auto it = childrenRange.first; it != childrenRange.second; ++it) {
+        EntityID childEntity = it->second;
+
+        DOMElement* entityElement = doc->createElement(X("Entity"));
+        const std::string& name = world->GetName(childEntity);
+        if (!name.empty()) {
+            entityElement->setAttribute(X("name"), X(name));
+        }
+        parentElement->appendChild(entityElement);
+
+        DOMElement* componentsElement = doc->createElement(X("Components"));
+        entityElement->appendChild(componentsElement);
+        appentEntityComponents(componentsElement, world, childEntity);
+
+        DOMElement* childrenElement = doc->createElement(X("Children"));
+        entityElement->appendChild(childrenElement);
+        appendEntityChildren(childrenElement, world, childEntity);
+    }
+}
+
+void EntityFileWriter::appentEntityComponents(xercesc::DOMElement* parentElement, const World* world, EntityID entity)
+{
+    using namespace xercesc;
+    DOMDocument* doc = parentElement->getOwnerDocument();
+    auto& componentPools = world->GetComponentPools();
+
+    // Step through all component pools to get an entity's components
+    // HACK: This is sloooow.
+    for (auto& kv : componentPools) {
+        const std::string& componentName = kv.first;
+        if (!world->HasComponent(entity, componentName)) {
+            continue;
+        }
+        std::string qualifiedComponentName = "c:" + componentName;
+        DOMElement* componentElement = doc->createElement(X(qualifiedComponentName));
+        parentElement->appendChild(componentElement);
+        ComponentWrapper c = kv.second->GetByEntity(entity);
+        for (auto& kv : c.Info.Fields) {
+            std::string fieldName = kv.first;
+            auto& field = kv.second;
+
+            // Ignore fields that are equal to the default
+            // HACK: This is probably sloooooow, but it's okay.
+            if (memcmp(c.Data + field.Offset, c.Info.Defaults.get() + field.Offset, field.Stride) == 0) {
+                continue;
+            }
+
+            DOMElement* fieldElement = doc->createElement(X(fieldName));
+            componentElement->appendChild(fieldElement);
+
+            if (field.Type == "Vector") {
+                const glm::vec3& vec = c[fieldName];
+                fieldElement->setAttribute(X("X"), X(boost::lexical_cast<std::string>(vec.x)));
+                fieldElement->setAttribute(X("Y"), X(boost::lexical_cast<std::string>(vec.y)));
+                fieldElement->setAttribute(X("Z"), X(boost::lexical_cast<std::string>(vec.z)));
+            } else if (field.Type == "Color") {
+                const glm::vec4& vec = c[fieldName];
+                fieldElement->setAttribute(X("R"), X(boost::lexical_cast<std::string>(vec.r)));
+                fieldElement->setAttribute(X("G"), X(boost::lexical_cast<std::string>(vec.g)));
+                fieldElement->setAttribute(X("B"), X(boost::lexical_cast<std::string>(vec.b)));
+                fieldElement->setAttribute(X("A"), X(boost::lexical_cast<std::string>(vec.a)));
+            } else if (field.Type == "Quaternion") {
+                const glm::quat& q = c[fieldName];
+                fieldElement->setAttribute(X("X"), X(boost::lexical_cast<std::string>(q.x)));
+                fieldElement->setAttribute(X("Y"), X(boost::lexical_cast<std::string>(q.y)));
+                fieldElement->setAttribute(X("Z"), X(boost::lexical_cast<std::string>(q.z)));
+                fieldElement->setAttribute(X("W"), X(boost::lexical_cast<std::string>(q.w)));
+            } else if (field.Type == "int") {
+                const int& value = c[fieldName];
+                fieldElement->appendChild(doc->createTextNode(X(boost::lexical_cast<std::string>(value))));
+            } else if (field.Type == "float") {
+                const float& value = c[fieldName];
+                fieldElement->appendChild(doc->createTextNode(X(boost::lexical_cast<std::string>(value))));
+            } else if (field.Type == "double") {
+                const double& value = c[fieldName];
+                fieldElement->appendChild(doc->createTextNode(X(boost::lexical_cast<std::string>(value))));
+            } else if (field.Type == "bool") {
+                const bool& value = c[fieldName];
+                if (value) {
+                    fieldElement->appendChild(doc->createTextNode(X("true")));
+                } else {
+                    fieldElement->appendChild(doc->createTextNode(X("false")));
+                }
+            } else if (field.Type == "string") {
+                const std::string& value = c[fieldName];
+                fieldElement->appendChild(doc->createTextNode(X(value)));
+            }
+        }
+    }
+}
+

src/Engine/Core/EntityXMLFile.cpp

@@ -1,495 +0,0 @@
-#include "Core/EntityXMLFile.h"
-#include "Core/World.h"
-
-unsigned int EntityXMLFile::InstanceCount = 0;
-
-EntityXMLFile::EntityXMLFile(std::string path)
-    : m_EntityFile(path)
-{
-    using namespace xercesc;
-
-    if (InstanceCount == 0) {
-        XMLPlatformUtils::Initialize();
-    }
-    InstanceCount++;
-
-    m_GrammarPool = new XMLGrammarPoolImpl();
-    m_ErrorHandler = new EntityParserXMLErrorHandler();
-    m_DOMParser = new XercesDOMParser(nullptr, XMLPlatformUtils::fgMemoryManager, m_GrammarPool);
-    m_DOMParser->setErrorHandler(m_ErrorHandler);
-    m_DOMParser->setDoNamespaces(true);
-    m_DOMParser->setDoXInclude(true);
-    m_DOMParser->setDoSchema(true);
-    m_DOMParser->setValidationSchemaFullChecking(true);
-    m_DOMParser->setValidationScheme(xercesc::XercesDOMParser::Val_Auto);
-    m_DOMParser->setValidationSchemaFullChecking(true);
-    m_DOMParser->setValidationConstraintFatal(false);
-    m_DOMParser->setIncludeIgnorableWhitespace(false);
-    // Make sure schema grammar is kept after validation
-    m_DOMParser->cacheGrammarFromParse(true);
-
-    // HACK: Use Sax2 parser instead so the entire DOM doesn't have to reside in memory
-    m_DOMParser->parse(m_EntityFile.c_str());
-    m_DOMDocument = m_DOMParser->getDocument();
-
-    // 1. Fill in ComponentInfo name, fields, default values and metadata from PSVI
-    parseComponentInfo();
-    // 2. Parse default value files for those components
-    parseDefaults();
-    // 3. Allocate component structures
-    predictComponentAllocation();
-}
-
-EntityXMLFile::~EntityXMLFile()
-{
-    using namespace xercesc;
-
-    if (m_DOMParser != nullptr) {
-        delete m_DOMParser;
-    }
-    if (m_ErrorHandler != nullptr) {
-        delete m_ErrorHandler;
-    }
-    if (m_GrammarPool != nullptr) {
-        delete m_GrammarPool;
-    }
-
-    InstanceCount--;
-    if (InstanceCount == 0) {
-        XMLPlatformUtils::Terminate();
-    }
-}
-
-void EntityXMLFile::PopulateWorld(World* world)
-{
-    for (auto& pair : m_ComponentInfo) {
-        world->RegisterComponent(pair.second);
-    }
-
-    // 4. Parse entity hierarchy
-    auto root = m_DOMDocument->getDocumentElement();
-    parseEntityGraph(world, root, 0);
-}
-
-
-void EntityXMLFile::preprocess(std::string inPath, std::string outPath)
-{
-    using namespace xercesc;
-
-    static const XMLCh gLS[] = { 'L', 'S', '\0' };
-    DOMImplementationLS* di = static_cast<DOMImplementationLS*>(DOMImplementationRegistry::getDOMImplementation(gLS));
-
-    // Parse the file
-    DOMLSParser* parser = di->createLSParser(DOMImplementationLS::MODE_SYNCHRONOUS, nullptr);
-    DOMConfiguration* config = parser->getDomConfig();
-    config->setParameter(XMLUni::fgDOMNamespaces, true);
-    config->setParameter(XMLUni::fgXercesSchema, true);
-    config->setParameter(XMLUni::fgXercesHandleMultipleImports, true);
-    config->setParameter(XMLUni::fgXercesSchemaFullChecking, true);
-    config->setParameter(XMLUni::fgXercesDoXInclude, true);
-    auto errHandler = new EntityPreprocessorXMLErrorHandler();
-    config->setParameter(XMLUni::fgDOMErrorHandler, errHandler);
-
-    auto source = new LocalFileInputSource(XSTR(inPath.c_str()));
-    Wrapper4InputSource* domSourceWrapper = new Wrapper4InputSource(source);
-    DOMDocument* doc = parser->parse(dynamic_cast<DOMLSInput*>(domSourceWrapper));
-
-    // Serialize and output the new XML
-    DOMLSSerializer* writer = di->createLSSerializer();
-    DOMLSOutput* output = di->createLSOutput();
-    XMLFormatTarget* formatTarget = new LocalFileFormatTarget(outPath.c_str());
-    // TODO: MemBufFormatTarget* formatTarget = new MemBufFormatTarget()
-    output->setByteStream(formatTarget);
-    writer->write(doc, output);
-
-    delete formatTarget;
-    output->release();
-    writer->release();
-    parser->release();
-}
-
-void EntityXMLFile::parseComponentInfo()
-{
-    using namespace xercesc;
-    bool wasChanged;
-    XSModel* xsModel = m_GrammarPool->getXSModel(wasChanged);
-
-    // Find component xsd element declarations
-    std::cout << "Enumerating components..." << std::endl;
-    // <xs:element name="ComponentName">
-    auto topLevelElements = xsModel->getComponents(XSConstants::ELEMENT_DECLARATION);
-    for (unsigned int i = 0; i < topLevelElements->getLength(); ++i) {
-        auto element = static_cast<XSElementDeclaration*>(topLevelElements->item(i));
-
-        std::string nameSpace(XSTR(element->getNamespace()));
-        if (nameSpace != "components") {
-            continue;
-        }
-
-        ComponentInfo compInfo;
-
-        // Name
-        compInfo.Name = XSTR(element->getName());
-        // Annotation
-        auto componentAnnotation = element->getAnnotation();
-        if (componentAnnotation != nullptr) {
-            // Parse annotation XML
-            char* annotationString = XMLString::transcode(componentAnnotation->getAnnotationString());
-            MemBufInputSource annotationInput(reinterpret_cast<const XMLByte*>(annotationString), strlen(annotationString), "MemBuf: Annotation String");
-            XercesDOMParser parser(nullptr, XMLPlatformUtils::fgMemoryManager, m_GrammarPool);
-            parser.setErrorHandler(m_ErrorHandler);
-            parser.parse(annotationInput);
-            XMLString::release(&annotationString);
-            auto doc = parser.getDocument();
-
-            // Add allocation estimation(s)
-            auto allocationTags = doc->getElementsByTagName(XSTR("meta:allocation"));
-            for (int i = 0; i < allocationTags->getLength(); ++i) {
-                auto allocation = dynamic_cast<DOMElement*>(allocationTags->item(i));
-                auto child = allocation->getFirstChild();
-                if (child == nullptr) {
-                    continue;
-                }
-
-                XSValue::Status status;
-                XSValue* val = XSValue::getActualValue(child->getNodeValue(), XSValue::dt_integer, status);
-                compInfo.Meta.Allocation += val->fData.fValue.f_int;
-            }
-
-            // Save documentation string
-            auto documentationTags = doc->getElementsByTagName(XSTR("xs:documentation"));
-            if (documentationTags->getLength() != 0) {
-                auto child = documentationTags->item(0)->getFirstChild();
-                if (child != nullptr) {
-                    compInfo.Meta.Annotation = XSTR(child->getNodeValue());
-                }
-            }
-            // TODO: Parse annotation string XML
-            // compInfo.Meta.Allocation = ...
-        } else {
-            std::cout << "Warning: Component is missing an annotation!" << std::endl;
-        }
-
-        // <xs:complexType>
-        auto typeDefinition = element->getTypeDefinition();
-        if (typeDefinition->getTypeCategory() != XSTypeDefinition::COMPLEX_TYPE) {
-            std::cerr << "Error: Type definition wasn't COMPLEX_TYPE! Skipping." << std::endl;
-            continue;
-        }
-        auto complexTypeDefinition = dynamic_cast<XSComplexTypeDefinition*>(typeDefinition);
-
-        // <xs:all>
-        auto modelGroupParticle = complexTypeDefinition->getParticle();
-        if (modelGroupParticle->getTermType() != XSParticle::TERM_MODELGROUP) {
-            std::cerr << "Error: Model group particle wasn't TERM_MODELGROUP! Skipping." << std::endl;
-            continue;
-        }
-        auto modelGroup = modelGroupParticle->getModelGroupTerm();
-
-        // <xs:element... 
-        // <xs:attribute...
-        unsigned int fieldOffset = 0;
-        auto particles = modelGroup->getParticles();
-        for (unsigned int i = 0; i < particles->size(); ++i) {
-            auto particle = particles->elementAt(i);
-            if (particle->getTermType() != XSParticle::TERM_ELEMENT) {
-                std::cerr << "Error: Particle wasn't TERM_ELEMENT! Skipping." << std::endl;
-                continue;
-            }
-            auto elementDeclaration = particle->getElementTerm();
-
-            std::string name = XSTR(elementDeclaration->getName());
-            std::string type = XSTR(elementDeclaration->getTypeDefinition()->getName());
-
-            size_t stride = getTypeStride(type);
-            if (stride == 0) {
-                std::cout << "Warning: Field \"" << name << "\" in component \"" << compInfo.Name << "\" uses unexpected field type \"" << type << "\". Skipping." << std::endl;
-                continue;
-            }
-
-            compInfo.FieldTypes[name] = type;
-            compInfo.FieldOffsets[name] = fieldOffset;
-            fieldOffset += getTypeStride(type);
-        }
-
-        compInfo.Meta.Stride = fieldOffset;
-        m_ComponentInfo[compInfo.Name] = compInfo;
-    }
-}
-
-void EntityXMLFile::parseDefaults()
-{
-    using namespace xercesc;
-
-    for (auto& ci : m_ComponentInfo) {
-        // Allocate memory for default values
-        ci.second.Defaults = std::shared_ptr<char>(new char[ci.second.Meta.Stride]);
-        memset(ci.second.Defaults.get(), 0, ci.second.Meta.Stride);
-
-        XercesDOMParser parser(nullptr, XMLPlatformUtils::fgMemoryManager);
-        parser.setErrorHandler(m_ErrorHandler);
-
-        std::string componentName = ci.first;
-        LOG_DEBUG("Parsing defaults for component %s", componentName.c_str());
-        boost::filesystem::path defaultsFile = "Schema/Components/" + componentName + ".xml";
-
-        parser.parse(defaultsFile.string().c_str());
-        auto doc = parser.getDocument();
-        if (doc == nullptr) {
-            LOG_ERROR("%s not found! Skipping.", defaultsFile.string().c_str());
-            continue;
-        }
-
-        // Find the node in the components namespace matching the component name
-        std::string tagName = "c:" + componentName;
-        auto rootNodes = doc->getElementsByTagName(XSTR(tagName.c_str()));
-        if (rootNodes->getLength() == 0) {
-            LOG_ERROR("Couldn't find defaults for component \"%s\"! Skipping.", componentName.c_str());
-            continue;
-        }
-        auto componentElement = dynamic_cast<DOMElement*>(rootNodes->item(0));
-       
-        // Fill the default value buffer with values
-        for (auto& field : ci.second.FieldOffsets) {
-            std::string fieldName = field.first;
-            auto fieldNodes = componentElement->getElementsByTagName(XSTR(fieldName.c_str()));
-            auto fieldNode = fieldNodes->item(0);
-            if (fieldNode == nullptr) {
-                LOG_ERROR("Defaults for component \"%s\" is missing field \"%s\"!", componentName.c_str(), fieldName.c_str());
-                continue;
-            }
-            auto fieldElement = dynamic_cast<DOMElement*>(fieldNode);
-
-            std::string fieldType = ci.second.FieldTypes.at(fieldName);
-            unsigned int fieldOffset = ci.second.FieldOffsets.at(fieldName);
-            writeData(fieldElement, fieldType, ci.second.Defaults.get() + fieldOffset);
-        }
-    }
-}
-
-void EntityXMLFile::predictComponentAllocation()
-{
-    using namespace xercesc;
-
-    auto root = m_DOMDocument->getDocumentElement();
-
-    // Count static instances of components present in entity hierarchy
-    auto components = m_DOMDocument->getElementsByTagNameNS(XSTR("components"), XSTR("*"));
-    for (int i = 0; i < components->getLength(); ++i) {
-        auto component = dynamic_cast<DOMElement*>(components->item(i));
-
-        std::string componentName = XSTR(component->getLocalName());
-        auto& compInfo = m_ComponentInfo.at(componentName);
-        compInfo.Meta.Allocation += 1;
-    }
-
-    std::cout << "COMPONENT INFO" << std::endl;
-    for (auto& pair : m_ComponentInfo) {
-        ComponentInfo& ci = pair.second;
-        std::cout << "Component: " << ci.Name << " (" << ci.Meta.Annotation << ")" << std::endl;
-        std::cout << "  Allocation: " << ci.Meta.Allocation << std::endl;
-        std::cout << "  Fields:" << std::endl;
-
-        // Calculate component size
-        std::size_t stride = 0;
-        // Add size of fields
-        for (auto& field : ci.FieldTypes) {
-            std::cout << "    " << field.second << " " << field.first << " (" << getTypeStride(field.second) << " byte)" << std::endl;
-            stride += getTypeStride(field.second);
-        }
-        std::cout << "  Stride: " << ci.Meta.Stride << std::endl;
-    }
-}
-
-void EntityXMLFile::parseEntityGraph(World* world, xercesc::DOMElement* element, EntityID parentEntity)
-{
-    using namespace xercesc;
-
-    // Create entity
-    EntityID entity = world->CreateEntity(parentEntity);
-    LOG_DEBUG("Created entity %i, parent %i", entity, parentEntity);
-
-    // Add components
-    auto components = m_DOMDocument->evaluate(XSTR("Components/*"), element, nullptr,  DOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE, nullptr);
-    for (int i = 0; i < components->getSnapshotLength(); i++) {
-        components->snapshotItem(i);
-        auto componentElement = dynamic_cast<DOMElement*>(components->getNodeValue());
-        std::string componentName = XSTR(componentElement->getLocalName());
-        auto& ci = m_ComponentInfo.at(componentName);
-
-        // Attach the component
-        auto c = world->AttachComponent(entity, componentName);
-        LOG_DEBUG("Attached %s component", componentName.c_str());
-
-        // Write field data
-        auto fields = componentElement->getChildNodes();
-        for (int j = 0; j < fields->getLength(); ++j) {
-            auto fieldNode = fields->item(j);
-            auto nodeType = fieldNode->getNodeType();
-            if (nodeType != DOMNode::ELEMENT_NODE) {
-                continue;
-            }
-            auto field = dynamic_cast<DOMElement*>(fields->item(j));
-            //const XMLCh* value = fields->item(j)->getTextContent();
-            std::string fieldName(XSTR(field->getLocalName()));
-            if (ci.FieldTypes.find(fieldName) == ci.FieldTypes.end()) {
-                std::cout << "Warning: Component \"" << componentName << "\" contains invalid field \"" << fieldName << "\". Skipping." << std::endl;
-                continue;
-            }
-
-            std::string fieldType = ci.FieldTypes.at(fieldName);
-            unsigned int fieldOffset = ci.FieldOffsets.at(fieldName);
-            std::string fieldValue(XSTR(field->getTextContent()));
-            LOG_DEBUG("    %s %s = %s", fieldType.c_str(), fieldName.c_str(), fieldValue.c_str());
-            writeData(field, fieldType, c.Data + fieldOffset);
-        }
-    }
-
-    // Recurse children
-    auto children = m_DOMDocument->evaluate(XSTR("Children/Entity"), element, nullptr, DOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE, nullptr);
-    for (int i = 0; i < children->getSnapshotLength(); i++) {
-        children->snapshotItem(i);
-        parseEntityGraph(world, dynamic_cast<DOMElement*>(children->getNodeValue()), entity);
-    }
-
-    //auto components = m_DOMDocument->getElementsByTagNameNS(XSTR("components"), XSTR("*"));
-    //for (int i = 0; i < components->getLength(); ++i) {
-    //    auto component = dynamic_cast<DOMElement*>(components->item(i));
-
-    //    std::string componentName = XSTR(component->getLocalName());
-    //    auto& compStore = m_ComponentStore.at(componentName);
-    //    auto& compInfo = compStore.Info;
-
-    //    char* data = &compStore.Data[compStore.Size*compStore.Stride];
-    //    compStore.Size += 1;
-
-    //    auto fields = component->getChildNodes();
-    //    for (int j = 0; j < fields->getLength(); ++j) {
-    //        auto field = fields->item(j);
-    //        auto nodeType = field->getNodeType();
-    //        if (nodeType != DOMNode::ELEMENT_NODE) {
-    //            continue;
-    //        }
-    //        //auto field = dynamic_cast<DOMElement*>(fields->item(j));
-    //        //const XMLCh* value = fields->item(j)->getTextContent();
-    //        std::string fieldName = XSTR(field->getLocalName());
-    //        if (compInfo.FieldTypes.find(fieldName) == compInfo.FieldTypes.end()) {
-    //            std::cout << "Warning: Component \"" << componentName << "\" contains invalid field \"" << fieldName << "\". Skipping." << std::endl;
-    //            continue;
-    //        }
-
-    //        std::string fieldType = compInfo.FieldTypes.at(fieldName);
-    //        unsigned int fieldOffset = compInfo.FieldOffsets.at(fieldName);
-
-    //        XSValue::DataType dataType = XSValue::getDataType(XSTR(fieldType.c_str()));
-    //        if (dataType == XSValue::DataType::dt_MAXCOUNT) {
-    //            // TODO:
-    //            continue;
-    //        }
-    //        if (dataType == XSValue::DataType::dt_string) {
-    //            char* str = XMLString::transcode(field->getTextContent());
-    //            std::string standardString(str);
-    //            XMLString::release(&str);
-    //            memcpy(&data[fieldOffset], reinterpret_cast<char*>(&standardString), getTypeStride(fieldType));
-    //        } else {
-    //            XSValue::Status status;
-    //            XSValue* val = XSValue::getActualValue(field->getTextContent(), dataType, status);
-    //            memcpy(&data[fieldOffset], reinterpret_cast<char*>(&val->fData.fValue), getTypeStride(fieldType));
-    //        }
-    //    }
-    //}
-
-    //auto entities = m_DOMDocument->getElementsByTagName(XSTR("Entity"));
-    //for (int i = 0; i < entities->getLength(); ++i) {
-    //    auto entity = dynamic_cast<DOMElement*>(entities->item(i));
-
-
-    //    //entity->setIdAttribute()
-
-    //    std::cout << "ENTITY " << i + 1 << std::endl;
-    //}
-}
-
-std::size_t EntityXMLFile::getTypeStride(std::string typeName)
-{
-    std::map<std::string, size_t> typeStrides{
-        { "bool", sizeof(bool) },
-        { "int", sizeof(int) },
-        { "float", sizeof(float) },
-        { "double", sizeof(double) },
-        { "string", sizeof(std::string) },
-        { "Vector", sizeof(glm::vec3) },
-        { "Quaternion", sizeof(glm::quat) },
-        { "Color", sizeof(glm::vec4) }
-    };
-
-    auto it = typeStrides.find(typeName);
-    return (it != typeStrides.end()) ? it->second : 0;
-}
-
-float EntityXMLFile::getFloatAttribute(const xercesc::DOMElement* element, const char* attribute) const
-{
-    using namespace xercesc;
-    XSValue::Status status;
-    XSValue* val = XSValue::getActualValue(element->getAttribute(XSTR(attribute)), xercesc::XSValue::DataType::dt_double, status);
-    if (val == nullptr) {
-        LOG_ERROR("Element \"%s\" doesn't have an \"%s\" attribute!", XSTR(element->getTagName()), attribute);
-        return 0.f;
-    } else {
-        return static_cast<float>(val->fData.fValue.f_double);
-    }
-}
-
-void EntityXMLFile::writeData(const xercesc::DOMElement* element, std::string typeName, char* outData)
-{
-    using namespace xercesc;
-
-    if (typeName == "Vector") {
-        glm::vec3 vec;
-        vec.x = getFloatAttribute(element, "X");
-        vec.y = getFloatAttribute(element, "Y");
-        vec.z = getFloatAttribute(element, "Z");
-        memcpy(outData, reinterpret_cast<char*>(&vec), getTypeStride(typeName));
-    } else if (typeName == "Color") {
-        glm::vec4 vec;
-        vec.r = getFloatAttribute(element, "R");
-        vec.g = getFloatAttribute(element, "G");
-        vec.b = getFloatAttribute(element, "B");
-        vec.a = getFloatAttribute(element, "A");
-        memcpy(outData, reinterpret_cast<char*>(&vec), getTypeStride(typeName));
-    } else if (typeName == "Quaternion") {
-        glm::quat q;
-        q.x = getFloatAttribute(element, "X");
-        q.y = getFloatAttribute(element, "Y");
-        q.z = getFloatAttribute(element, "Z");
-        q.w = getFloatAttribute(element, "W");
-        memcpy(outData, reinterpret_cast<char*>(&q), getTypeStride(typeName));
-    } else if (typeName == "float") {
-        XSValue::Status status;
-        XSValue* val = XSValue::getActualValue(element->getTextContent(), xercesc::XSValue::DataType::dt_float, status);
-        memcpy(outData, reinterpret_cast<char*>(&val->fData.fValue.f_float), getTypeStride(typeName));
-    } else if (typeName == "double") {
-        XSValue::Status status;
-        XSValue* val = XSValue::getActualValue(element->getTextContent(), xercesc::XSValue::DataType::dt_double, status);
-        memcpy(outData, reinterpret_cast<char*>(&val->fData.fValue.f_double), getTypeStride(typeName));
-    } else if (typeName == "bool") {
-        XSValue::Status status;
-        XSValue* val = XSValue::getActualValue(element->getTextContent(), xercesc::XSValue::DataType::dt_boolean, status);
-        memcpy(outData, reinterpret_cast<char*>(&val->fData.fValue.f_bool), getTypeStride(typeName));
-    } else {
-        XSValue::DataType dataType = XSValue::getDataType(XSTR(typeName.c_str()));
-        if (dataType == XSValue::DataType::dt_string) {
-            char* str = XMLString::transcode(element->getTextContent());
-            std::string standardString(str);
-            new (outData) std::string(str);
-            XMLString::release(&str);
-            //memcpy(outData, reinterpret_cast<char*>(&standardString), getTypeStride(typeName));
-        } else {
-            //XSValue::Status status;
-            //XSValue* val = XSValue::getActualValue(element->getTextContent(), dataType, status);
-            //memcpy(outData, reinterpret_cast<char*>(&val->fData.fValue), getTypeStride(typeName));
-            LOG_WARNING("Unknown native data type: %s", typeName.c_str());
-        }
-    }
-}
-

src/Engine/Core/EventBroker.cpp

@@ -3,7 +3,7 @@
 BaseEventRelay::~BaseEventRelay()
 {
     if (m_Broker != nullptr) {
-        m_Broker->Unsubscribe(*this);
+		m_Broker->Unsubscribe(*this);
     }
 }
 

src/Engine/Core/Transform.cpp

@@ -0,0 +1,52 @@
+#include "Core/Transform.h"
+
+glm::vec3 Transform::AbsolutePosition(World* world, EntityID entity)
+{
+    glm::vec3 position;
+
+    while (entity != EntityID_Invalid) {
+        ComponentWrapper transform = world->GetComponent(entity, "Transform");
+        EntityID parent = world->GetParent(entity);
+        position += Transform::AbsoluteOrientation(world, parent) * (glm::vec3)transform["Position"];
+        entity = parent;
+    }
+
+    return position;
+}
+
+glm::quat Transform::AbsoluteOrientation(World* world, EntityID entity)
+{
+    glm::quat orientation;
+
+    while (entity != EntityID_Invalid) {
+        ComponentWrapper transform = world->GetComponent(entity, "Transform");
+        orientation = glm::quat((glm::vec3)transform["Orientation"]) * orientation;
+        entity = world->GetParent(entity);
+    }
+
+    return orientation;
+}
+
+glm::vec3 Transform::AbsoluteScale(World* world, EntityID entity)
+{
+    glm::vec3 scale(1.f);
+
+    while (entity != EntityID_Invalid) {
+        ComponentWrapper transform = world->GetComponent(entity, "Transform");
+        scale *= (glm::vec3)transform["Scale"];
+        entity = world->GetParent(entity);
+    }
+
+    return scale;
+}
+
+glm::mat4 Transform::ModelMatrix(EntityID entity, World* world)
+{
+    glm::vec3 position = Transform::AbsolutePosition(world, entity);
+    glm::quat orientation = Transform::AbsoluteOrientation(world, entity);
+    glm::vec3 scale = Transform::AbsoluteScale(world, entity);
+
+    glm::mat4 modelMatrix = glm::translate(glm::mat4(), position) * glm::toMat4(orientation) * glm::scale(scale);
+    return modelMatrix;
+}
+

src/Engine/Core/World.cpp

@@ -10,12 +10,15 @@ World::~World()
 EntityID World::CreateEntity(EntityID parent /*= 0*/)
 {
     EntityID newEntity = generateEntityID();
+    if (newEntity == parent) {
+        LOG_WARNING("Invalid parent #%i of Entity#%i", newEntity, parent);
+        parent = EntityID_Invalid;
+    }
     m_EntityParents[newEntity] = parent;
     m_EntityChildren.insert(std::make_pair(parent, newEntity));
     return newEntity;
 }
 
-
 void World::DeleteEntity(EntityID entity)
 {
     // Delete components
@@ -46,15 +49,26 @@ void World::DeleteEntity(EntityID entity)
             break;
         }
     }
+
+    // Erase potential name
+    m_EntityNames.erase(entity);
+}
+
+bool World::ValidEntity(EntityID entity) const
+{
+    return m_EntityParents.find(entity) != m_EntityParents.end();
 }
 
 void World::RegisterComponent(ComponentInfo& ci)
 {
-    m_ComponentPools[ci.Name] = new ComponentPool(ci);
+    if (m_ComponentPools.find(ci.Name) == m_ComponentPools.end()) {
+        m_ComponentPools[ci.Name] = new ComponentPool(ci);
+    }
 }
 
 ComponentWrapper World::AttachComponent(EntityID entity, std::string componentType)
 {
+    // TODO: Allocate dynamic pool if component isn't registered
     ComponentPool* pool = m_ComponentPools.at(componentType);
     const ComponentInfo& ci = pool->ComponentInfo();
 
@@ -66,8 +80,7 @@ ComponentWrapper World::AttachComponent(EntityID entity, std::string componentTy
     return c;
 }
 
-
-bool World::HasComponent(EntityID entity, std::string componentType)
+bool World::HasComponent(EntityID entity, std::string componentType) const
 {
     ComponentPool* pool = m_ComponentPools.at(componentType);
     return pool->KnowsEntity(entity);
@@ -79,7 +92,6 @@ ComponentWrapper World::GetComponent(EntityID entity, std::string componentType)
     return pool->GetByEntity(entity);
 }
 
-
 void World::DeleteComponent(EntityID entity, std::string componentType)
 {
     ComponentPool* pool = m_ComponentPools.at(componentType);
@@ -93,13 +105,11 @@ const ComponentPool* World::GetComponents(std::string componentType)
     return (it != m_ComponentPools.end()) ? it->second : nullptr;
 }
 
-
 EntityID World::GetParent(EntityID entity)
 {
     return m_EntityParents.at(entity);
 }
 
-
 void World::SetParent(EntityID entity, EntityID parent)
 {
     EntityID lastParent = m_EntityParents.at(entity);
@@ -115,6 +125,25 @@ void World::SetParent(EntityID entity, EntityID parent)
     m_EntityChildren.insert(std::make_pair(parent, entity));
 }
 
+void World::SetName(EntityID entity, const std::string& name)
+{
+    m_EntityNames[entity] = name;
+}
+
+std::string World::GetName(EntityID entity) const
+{
+    if (entity == EntityID_Invalid) {
+        return "EntityID_Invalid";
+    }
+
+    auto it = m_EntityNames.find(entity);
+    if (it != m_EntityNames.end()) {
+        return it->second;
+    } else {
+        return std::string();
+    }
+}
+
 EntityID World::generateEntityID()
 {
     // TODO: Make EntityID generation smarter

src/Engine/Editor/EditorSystem.cpp

@@ -9,6 +9,7 @@ EditorSystem::EditorSystem(EventBroker* eventBroker, IRenderer* renderer)
     auto config = ResourceManager::Load<ConfigFile>("Config.ini");
     m_Enabled = config->Get<bool>("Debug.EditorEnabled", false);
     m_Visible = m_Enabled;
+    m_DefaultEntityDir = boost::filesystem::path("Schema") / boost::filesystem::path("Entities");
 
     if (!m_Enabled) {
         return;
@@ -18,7 +19,6 @@ EditorSystem::EditorSystem(EventBroker* eventBroker, IRenderer* renderer)
     EVENT_SUBSCRIBE_MEMBER(m_EMousePress, &EditorSystem::OnMousePress);
     EVENT_SUBSCRIBE_MEMBER(m_EMouseRelease, &EditorSystem::OnMouseRelease);
     EVENT_SUBSCRIBE_MEMBER(m_EMouseMove, &EditorSystem::OnMouseMove);
-    EVENT_SUBSCRIBE_MEMBER(m_EPicking, &EditorSystem::OnPicking);
     EVENT_SUBSCRIBE_MEMBER(m_EFileDropped, &EditorSystem::OnFileDropped);
 }
 
@@ -33,7 +33,7 @@ void EditorSystem::Update(World* world, double dt)
     if (!m_Visible) {
         return;
     }
-
+    Picking();
     updateWidget();
 
     drawUI(world, dt);
@@ -44,6 +44,35 @@ void EditorSystem::Update(World* world, double dt)
     }
 }
 
+
+boost::filesystem::path EditorSystem::openDialog(boost::filesystem::path defaultPath)
+{
+    namespace bfs = boost::filesystem;
+    auto absolutePath = bfs::absolute(defaultPath);
+    nfdchar_t* outPath = nullptr;
+    nfdresult_t result = NFD_OpenDialog(NULL, absolutePath.string().c_str(), &outPath);
+    if (result == NFD_ERROR) {
+        LOG_ERROR("NFD Error: %s", NFD_GetError());
+        return bfs::path();
+    }
+
+    return bfs::absolute(outPath);
+}
+
+boost::filesystem::path EditorSystem::saveDialog(boost::filesystem::path defaultPath)
+{
+    namespace bfs = boost::filesystem;
+    auto absolutePath = bfs::absolute(defaultPath);
+    nfdchar_t* outPath = nullptr;
+    nfdresult_t result = NFD_SaveDialog(NULL, absolutePath.string().c_str(), &outPath);
+    if (result == NFD_ERROR) {
+        LOG_ERROR("NFD Error: %s", NFD_GetError());
+        return bfs::path();
+    }
+
+    return bfs::absolute(outPath);
+}
+
 bool EditorSystem::OnInputCommand(const Events::InputCommand& e)
 {
     if (e.Command == "ToggleEditor" && e.Value > 0) {
@@ -81,17 +110,27 @@ bool EditorSystem::OnMousePress(const Events::MousePress& e)
 
 bool EditorSystem::OnMouseMove(const Events::MouseMove& e)
 {
-    if (m_Widget == 0) {
+    if (m_Widget == EntityID_Invalid) {
         return false;
     }
-
+    if (m_Selection == EntityID_Invalid) {
+        return false;
+    }
+    if (m_Selection == m_Widget) {
+        return false;
+    }
+    // TODO: No widgets for root entity until widgets reside in thier own world,
+    // or the widgets will move relative to the root entity being moved, which is WEEEIRD.
     if (m_Selection == 0) {
         return false;
     }
+    if (m_Camera == nullptr) {
+        return false;
+    }
+
     auto widgetTransform = m_World->GetComponent(m_Widget, "Transform");
     glm::vec3 widgetOrientation = widgetTransform["Orientation"];
-
-    glm::quat  totalOrientation = m_Renderer->Camera()->Orientation() * glm::inverse(glm::quat(widgetOrientation));
+    glm::quat totalOrientation = m_Camera->Orientation() * glm::inverse(glm::quat(widgetOrientation));
 
     int width;
     int height;
@@ -103,14 +142,14 @@ bool EditorSystem::OnMouseMove(const Events::MouseMove& e)
         delta2,
         m_WidgetPickingDepth,
         res,
-        m_Renderer->Camera()->ProjectionMatrix(),
+        m_Camera->ProjectionMatrix(),
         glm::toMat4(glm::inverse(totalOrientation))
     );
     glm::vec3 origin = ScreenCoords::ToWorldPos(
         glm::vec2(res.Width / 2.f, res.Height / 2.f),
         m_WidgetPickingDepth,
         res,
-        m_Renderer->Camera()->ProjectionMatrix(),
+        m_Camera->ProjectionMatrix(),
         glm::toMat4(glm::inverse(totalOrientation))
     );
     deltaWorld = deltaWorld - origin;
@@ -122,9 +161,9 @@ bool EditorSystem::OnMouseMove(const Events::MouseMove& e)
             if (m_WidgetSpace == WidgetSpace::Global) {
                 EntityID parent = m_World->GetParent(m_Selection);
                 glm::quat inverseParentOrientation;
-                if (parent != 0) {
-                    inverseParentOrientation = glm::inverse(RenderQueueFactory::AbsoluteOrientation(m_World, parent));
-                }
+                //if (parent != 0) {
+                    inverseParentOrientation = glm::inverse(Transform::AbsoluteOrientation(m_World, parent));
+                //}
                 (glm::vec3&)m_World->GetComponent(m_Selection, "Transform")["Position"] += inverseParentOrientation * movement;
             } else if (m_WidgetSpace == WidgetSpace::Local) {
                 auto selectionTransform = m_World->GetComponent(m_Selection, "Transform");
@@ -138,12 +177,12 @@ bool EditorSystem::OnMouseMove(const Events::MouseMove& e)
             if (m_WidgetSpace == WidgetSpace::Global) {
                 EntityID parent = m_World->GetParent(m_Selection);
                 glm::quat parentOrientation;
-                if (parent != 0) {
-                    parentOrientation = RenderQueueFactory::AbsoluteOrientation(m_World, parent);
-                }
+                //if (parent != 0) {
+                //    parentOrientation = RenderSystem::AbsoluteOrientation(m_World, parent);
+                //}
                 glm::vec3& selectionOrientation = m_World->GetComponent(m_Selection, "Transform")["Orientation"];
-                //glm::quat currentOrientation = RenderQueueFactory::AbsoluteOrientation(m_World, m_Selection);
-                glm::quat currentOrientation = parentOrientation * glm::quat(selectionOrientation);
+                glm::quat currentOrientation = Transform::AbsoluteOrientation(m_World, m_Selection);
+                //glm::quat currentOrientation = parentOrientation * glm::quat(selectionOrientation);
                 glm::quat deltaOrientation(finalMovement);
                 selectionOrientation = glm::eulerAngles(glm::inverse(parentOrientation) * (deltaOrientation * currentOrientation));
             } else if (m_WidgetSpace == WidgetSpace::Local) {
@@ -198,16 +237,18 @@ bool EditorSystem::OnMouseRelease(const Events::MouseRelease& e)
     return true;
 }
 
-bool EditorSystem::OnPicking(const Events::Picking& e)
+void EditorSystem::Picking()
 {
     for (auto& pos : m_PickingQueue) {
-        auto result = e.Pick(pos);
+        auto result = m_Renderer->Pick(pos);
         EntityID entity = result.Entity;
         if (glm::length2(m_WidgetCurrentAxis) > 0.f) {
+            // ???
         } else {
             LOG_INFO("Selected %i", entity);
-            if (entity != 0) {
+            if (entity != EntityID_Invalid) {
                 EntityID parent = m_World->GetParent(entity);
+                m_Camera = result.Camera;
                 if (parent == m_Widget) {
                     m_WidgetCurrentAxis = glm::vec3(
                         (entity == m_WidgetX) || (entity == m_WidgetOrigin) || (entity == m_WidgetPlaneY || entity == m_WidgetPlaneZ),
@@ -215,22 +256,21 @@ bool EditorSystem::OnPicking(const Events::Picking& e)
                         (entity == m_WidgetZ) || (entity == m_WidgetOrigin) || (entity == m_WidgetPlaneX || entity == m_WidgetPlaneY)
                     );
                     m_WidgetPickingDepth = result.Depth;
-
                     //auto widgetTransform = m_World->GetComponent(m_Widget, "Transform");
                     //auto selectionTransform = m_World->GetComponent(m_Selection, "Transform");
                     //widgetTransform["Position"] = (glm::vec3)selectionTransform["Position"];
                 } else {
                     ImGui::SetActiveID(0, nullptr);
-                    m_Selection = entity;
+                    if (m_WidgetMode == WidgetMode::None) {
+                        m_WidgetMode = WidgetMode::Translate;
+                    }
                     setWidgetMode(m_WidgetMode);
+                    m_Selection = entity;
                 }
-            } else {
-                m_Selection = 0;
             }
         }
     }
     m_PickingQueue.clear();
-    return true;
 };
 
 bool EditorSystem::OnFileDropped(const Events::FileDropped& e)
@@ -240,9 +280,9 @@ bool EditorSystem::OnFileDropped(const Events::FileDropped& e)
     return true;
 }
 
-void EditorSystem::updateWidget()
+void EditorSystem::createWidget()
 {
-    if (m_Widget == 0) {
+    if (m_Widget == EntityID_Invalid) {
         m_Widget = m_World->CreateEntity();
         m_World->AttachComponent(m_Widget, "Transform");
         m_WidgetX = m_World->CreateEntity(m_Widget);
@@ -269,22 +309,32 @@ void EditorSystem::updateWidget()
         m_WidgetOrigin = m_World->CreateEntity(m_Widget);
         m_World->AttachComponent(m_WidgetOrigin, "Transform");
         m_World->AttachComponent(m_WidgetOrigin, "Model");
-        setWidgetMode(WidgetMode::Translate);
+        setWidgetMode(WidgetMode::None);
+    }
+}
+
+void EditorSystem::updateWidget()
+{
+    if (m_Widget == EntityID_Invalid) {
+        return;
+    }
+    if (m_Selection == m_Widget) {
+        return;
     }
 
-    if (m_Selection != 0) {
+    if (m_Selection != EntityID_Invalid) {
         auto widgetTransform = m_World->GetComponent(m_Widget, "Transform");
-        glm::vec3 selectionPosition = RenderQueueFactory::AbsolutePosition(m_World, m_Selection);
+        glm::vec3 selectionPosition = Transform::AbsolutePosition(m_World, m_Selection);
         widgetTransform["Position"] = selectionPosition;
         if (m_WidgetSpace == WidgetSpace::Local) {
-            widgetTransform["Orientation"] = glm::eulerAngles(RenderQueueFactory::AbsoluteOrientation(m_World, m_Selection));
+            widgetTransform["Orientation"] = glm::eulerAngles(Transform::AbsoluteOrientation(m_World, m_Selection));
         }
     }
 }
 
 void EditorSystem::setWidgetMode(WidgetMode newMode)
 {
-    if (m_Widget == 0) {
+    if (m_Widget == EntityID_Invalid) {
         return;
     }
 
@@ -309,10 +359,10 @@ void EditorSystem::setWidgetMode(WidgetMode newMode)
             m_World->GetComponent(m_WidgetPlaneY, "Model")["Visible"] = true;
             m_World->GetComponent(m_WidgetPlaneZ, "Model")["Visible"] = true;
         }
-        if (m_Selection != 0) {
+        if (m_Selection != EntityID_Invalid) {
             if (m_WidgetSpace == WidgetSpace::Local) {
                 auto selectionTransform = m_World->GetComponent(m_Selection, "Transform");
-                widgetTransform["Orientation"] = glm::eulerAngles(RenderQueueFactory::AbsoluteOrientation(m_World, m_Selection));
+                widgetTransform["Orientation"] = glm::eulerAngles(Transform::AbsoluteOrientation(m_World, m_Selection));
             }
         }
     } else if (newMode == WidgetMode::Scale) {
@@ -321,25 +371,24 @@ void EditorSystem::setWidgetMode(WidgetMode newMode)
         m_World->GetComponent(m_WidgetZ, "Model")["Resource"] = "Models/ScaleWidgetZ.obj";
         m_World->GetComponent(m_WidgetOrigin, "Model")["Visible"] = true;
         m_World->GetComponent(m_WidgetOrigin, "Model")["Resource"] = "Models/ScaleWidgetOrigin.obj";
-        if (m_Selection != 0) {
+        if (m_Selection != EntityID_Invalid) {
             auto selectionTransform = m_World->GetComponent(m_Selection, "Transform");
-            widgetTransform["Orientation"] = glm::eulerAngles(RenderQueueFactory::AbsoluteOrientation(m_World, m_Selection));
+            widgetTransform["Orientation"] = glm::eulerAngles(Transform::AbsoluteOrientation(m_World, m_Selection));
         }
     } else if (newMode == WidgetMode::Rotate) {
         m_World->GetComponent(m_WidgetX, "Model")["Resource"] = "Models/RotationWidgetX.obj";
         m_World->GetComponent(m_WidgetY, "Model")["Resource"] = "Models/RotationWidgetY.obj";
         m_World->GetComponent(m_WidgetZ, "Model")["Resource"] = "Models/RotationWidgetZ.obj";
-        if (m_Selection != 0) {
+        if (m_Selection != EntityID_Invalid) {
             auto selectionTransform = m_World->GetComponent(m_Selection, "Transform");
             if (m_WidgetSpace == WidgetSpace::Local) {
-                widgetTransform["Orientation"] = glm::eulerAngles(RenderQueueFactory::AbsoluteOrientation(m_World, m_Selection));
+                widgetTransform["Orientation"] = glm::eulerAngles(Transform::AbsoluteOrientation(m_World, m_Selection));
             }
         }
     }
     m_WidgetMode = newMode;
 }
 
-
 void EditorSystem::setWidgetSpace(WidgetSpace space)
 {
     m_WidgetSpace = space;
@@ -348,16 +397,23 @@ void EditorSystem::setWidgetSpace(WidgetSpace space)
 
 void EditorSystem::drawUI(World* world, double dt)
 {
+    namespace bfs = boost::filesystem;
+
     ImGui::ShowTestWindow();
     //ImGui::ShowStyleEditor();
 
     if (ImGui::BeginMainMenuBar()) {
         if (ImGui::BeginMenu("File")) {
-
-            if (ImGui::MenuItem("New")) { }
-            if (ImGui::MenuItem("Open", "Ctrl+O")) { }
-            if (ImGui::MenuItem("Save", "Ctrl+S")) { }
-            if (ImGui::MenuItem("Save As...", "Ctrl+Shift+S")) { }
+            //if (ImGui::MenuItem("New")) { }
+            if (ImGui::MenuItem("Import", "Ctrl+O")) {
+                fileImport(world);
+            }
+            if (ImGui::MenuItem("Save", "Ctrl+S")) {
+                fileSave(world);
+            }
+            if (ImGui::MenuItem("Save As...", "Ctrl+Shift+S")) {
+                fileSaveAs(world);
+            }
             ImGui::Separator();
             if (ImGui::MenuItem("Close Editor", "F1")) { }
 
@@ -392,7 +448,7 @@ void EditorSystem::drawUI(World* world, double dt)
 
     std::string title = std::string("Components #") + std::to_string(m_Selection) + std::string("###Components");
     if (ImGui::Begin(title.c_str())) {
-        if (m_Selection != 0) {
+        if (m_Selection != EntityID_Invalid) {
             auto& pools = world->GetComponentPools();
 
             std::vector<const char*> componentTypes;
@@ -432,16 +488,16 @@ void EditorSystem::drawUI(World* world, double dt)
                     }
 
                     auto& component = world->GetComponent(m_Selection, componentType);
-                    for (auto& pair : ci.FieldTypes) {
-                        const std::string& field = pair.first;
-                        const std::string& type = pair.second;
+                    for (auto& kv : ci.Fields) {
+                        const std::string& fieldName = kv.first;
+                        auto& field = kv.second;
                         
-                        ImGui::PushID(field.c_str());
-                        if (type == "Vector") {
-                            auto& val = component.Property<glm::vec3>(field);
-                            if (field == "Scale") {
+                        ImGui::PushID(fieldName.c_str());
+                        if (field.Type == "Vector") {
+                            auto& val = component.Property<glm::vec3>(fieldName);
+                            if (fieldName == "Scale") {
                                 ImGui::DragFloat3("", glm::value_ptr(val), 0.1f, 0.f, std::numeric_limits<float>::max());
-                            } else if (field == "Orientation") {
+                            } else if (fieldName == "Orientation") {
                                 glm::vec3 tempVal = glm::fmod(val, glm::vec3(glm::two_pi<float>()));
                                 if (ImGui::SliderFloat3("", glm::value_ptr(tempVal), 0.f, glm::two_pi<float>())) {
                                     val = tempVal;
@@ -449,16 +505,16 @@ void EditorSystem::drawUI(World* world, double dt)
                             } else {
                                 ImGui::DragFloat3("", glm::value_ptr(val), 0.1f, std::numeric_limits<float>::lowest(), std::numeric_limits<float>::max());
                             }
-                        } else if (type == "Color") {
-                            auto& val = component.Property<glm::vec4>(field);
+                        } else if (field.Type == "Color") {
+                            auto& val = component.Property<glm::vec4>(fieldName);
                             ImGui::ColorEdit4("", glm::value_ptr(val), true);
-                        } else if (type == "string") {
-                            std::string& val = component.Property<std::string>(field);
+                        } else if (field.Type == "string") {
+                            std::string& val = component.Property<std::string>(fieldName);
                             char tempString[1024];
                             memcpy(tempString, val.c_str(), std::min(val.length() + 1, sizeof(tempString)));
                             if (ImGui::InputText("", tempString, sizeof(tempString))) {
                                 val = std::string(tempString);
-                                LOG_DEBUG("%s::%s changed!", componentType.c_str(), field.c_str());
+                                LOG_DEBUG("%s::%s changed!", componentType.c_str(), fieldName.c_str());
                             }
                             // DROP STUFF
                             if (ImGui::IsItemHovered() && !m_LastDroppedFile.empty()) {
@@ -466,21 +522,21 @@ void EditorSystem::drawUI(World* world, double dt)
                                 m_LastDroppedFile = "";
                             }
 
-                        } else if (type == "double") {
-                            float tempVal = static_cast<float>(component.Property<double>(field));
+                        } else if (field.Type == "double") {
+                            float tempVal = static_cast<float>(component.Property<double>(fieldName));
                             if (ImGui::InputFloat("", &tempVal, 0.01f, 1.f)) {
-                                component.SetProperty(field, static_cast<double>(tempVal));
+                                component.SetProperty(fieldName, static_cast<double>(tempVal));
                             }
-                        } else if (type == "bool") {
-                            auto& val = component.Property<bool>(field);
+                        } else if (field.Type == "bool") {
+                            auto& val = component.Property<bool>(fieldName);
                             ImGui::Checkbox("", &val);
                         } else {
-                            ImGui::TextDisabled(type.c_str());
+                            ImGui::TextDisabled(field.Type.c_str());
                         }
                         ImGui::PopID();
 
                         ImGui::SameLine();
-                        ImGui::Text(field.c_str());
+                        ImGui::Text(fieldName.c_str());
                         if (ImGui::IsItemHovered()) {
                             ImGui::SetTooltip("field annotation goes here");
                         }
@@ -492,74 +548,93 @@ void EditorSystem::drawUI(World* world, double dt)
     }
     ImGui::End();
 
-    if (ImGui::Begin("Entitites")) {
-        static EntityID draggingEntity = 0;
+    if (ImGui::Begin("Entities")) {
         auto entityChildren = world->GetEntityChildren();
         std::function<void(EntityID)> recurse = [&](EntityID parent) {
             auto range = entityChildren.equal_range(parent);
             for (auto it = range.first; it != range.second; it++) {
-
-                ImVec2 pos = ImGui::GetCursorScreenPos();
-                float width = ImGui::GetContentRegionAvailWidth();
-                ImRect bb(pos + ImVec2(20, 0), pos + ImVec2(width, 13));
-                auto window = ImGui::GetCurrentWindow();
-                if (m_Selection == it->second) {
-                    const ImU32 col = window->Color(ImGuiCol_HeaderActive);
-                    window->DrawList->AddRectFilled(bb.Min, bb.Max, col);
-                }
-                ImGuiID id = window->GetID((std::string("#SelectButton") + std::to_string(it->second)).c_str());
-                bool hovered = false;
-                bool held = false;
-                if (ImGui::ButtonBehavior(bb, id, &hovered, &held)) {
-                    m_Selection = it->second;
-                }
-                if (held) {
-                    ImVec2 entityDragDelta = ImGui::GetMouseDragDelta(0);
-                    if (std::abs(entityDragDelta.x) > 0 && std::abs(entityDragDelta.y) > 0) {
-                        if (draggingEntity == 0) {
-                            draggingEntity = it->second;
-                            LOG_DEBUG("Started drag of entity %i", draggingEntity);
-                        }
-                        ImGui::SetNextWindowPos(ImGui::GetIO().MousePos + ImVec2(20, 0));
-                        ImGui::Begin("Change parent", nullptr, ImVec2(0, 0), 0.3f, ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoSavedSettings);
-                        ImGui::Text("#%i", draggingEntity);
-                        ImGui::End();
-                    }
-                }
-
-                ImGui::SetNextTreeNodeOpened(true, ImGuiSetCond_Once);
-                if (ImGui::TreeNode((std::string("#") + std::to_string(it->second)).c_str())) {
-                    if (draggingEntity != 0 && ImGui::IsItemHoveredRect() && ImGui::IsMouseReleased(0)) {
-                        LOG_DEBUG("Changed parent of %i to %i", draggingEntity, it->second);
-                        changeParent(draggingEntity, it->second);
-                        draggingEntity = 0;
-                    }
-
-                    if (ImGui::BeginPopupContextItem("item context menu")) {
-                        if (ImGui::Button("Add")) {
-                            EntityID entity = world->CreateEntity(it->second);
-                            world->AttachComponent(entity, "Transform");
-                        }
-                        ImGui::SameLine();
-                        if (ImGui::Button("Delete")) {
-                            world->DeleteEntity(it->second);
-                            ImGui::CloseCurrentPopup();
-                            if (m_Selection == it->second) {
-                                m_Selection = 0;
-                            }
-                        }
-                        ImGui::EndPopup();
-                    }
+                if (createEntityNode(world, it->second)) {
                     recurse(it->second);
                     ImGui::TreePop();
                 }
             }
         };
-        recurse(0);
+        recurse(EntityID_Invalid);
     }
     ImGui::End();
 }
 
+bool EditorSystem::createEntityNode(World* world, EntityID entity)
+{
+    // HACK: Don't show the widget entities in the entity tree
+    if (entity == m_Widget) {
+        return false;
+    }
+
+    ImVec2 pos = ImGui::GetCursorScreenPos();
+    float width = ImGui::GetContentRegionAvailWidth();
+    ImRect bb(pos + ImVec2(20, 0), pos + ImVec2(width, 13));
+    auto window = ImGui::GetCurrentWindow();
+    if (m_Selection == entity) {
+        const ImU32 col = window->Color(ImGuiCol_HeaderActive);
+        window->DrawList->AddRectFilled(bb.Min, bb.Max, col);
+    }
+    ImGuiID id = window->GetID((std::string("#SelectButton") + std::to_string(entity)).c_str());
+    bool hovered = false;
+    bool held = false;
+    if (ImGui::ButtonBehavior(bb, id, &hovered, &held)) {
+        m_Selection = entity;
+    }
+    if (held) {
+        ImVec2 entityDragDelta = ImGui::GetMouseDragDelta(0);
+        if (std::abs(entityDragDelta.x) > 0 && std::abs(entityDragDelta.y) > 0) {
+            if (m_UIDraggingEntity == EntityID_Invalid) {
+                m_UIDraggingEntity = entity;
+                LOG_DEBUG("Started drag of entity %i", m_UIDraggingEntity);
+            }
+            ImGui::SetNextWindowPos(ImGui::GetIO().MousePos + ImVec2(20, 0));
+            ImGui::Begin("Change parent", nullptr, ImVec2(0, 0), 0.3f, ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoSavedSettings);
+            ImGui::Text("#%i", m_UIDraggingEntity);
+            ImGui::End();
+        }
+    }
+
+    ImGui::SetNextTreeNodeOpened(true, ImGuiSetCond_Once);
+    std::string nodeTitle;
+    const std::string& entityName = world->GetName(entity);
+    if (!entityName.empty()) {
+        nodeTitle = entityName;
+    } else {
+        nodeTitle = std::string("#") + std::to_string(entity);
+    }
+    if (ImGui::TreeNode(nodeTitle.c_str())) {
+        if (m_UIDraggingEntity != EntityID_Invalid && ImGui::IsItemHoveredRect() && ImGui::IsMouseReleased(0)) {
+            LOG_DEBUG("Changed parent of %i to %i", m_UIDraggingEntity, entity);
+            changeParent(m_UIDraggingEntity, entity);
+            m_UIDraggingEntity = EntityID_Invalid;
+        }
+
+        if (ImGui::BeginPopupContextItem("item context menu")) {
+            if (ImGui::Button("Add")) {
+                EntityID newEntity = world->CreateEntity(entity);
+                world->AttachComponent(newEntity, "Transform");
+            }
+            ImGui::SameLine();
+            if (ImGui::Button("Delete")) {
+                world->DeleteEntity(entity);
+                ImGui::CloseCurrentPopup();
+                if (!world->ValidEntity(m_Selection)) {
+                    m_Selection = EntityID_Invalid;
+                }
+            }
+            ImGui::EndPopup();
+        }
+        return true;
+    } else {
+        return false;
+    }
+}
+
 bool EditorSystem::createDeleteButton(std::string componentType)
 {
     float width = ImGui::GetContentRegionAvailWidth();
@@ -594,3 +669,48 @@ void EditorSystem::changeParent(EntityID entity, EntityID newParent)
 
     m_World->SetParent(entity, newParent);
 }
+
+void EditorSystem::fileImport(World* world)
+{
+    m_CurrentFile = openDialog(m_DefaultEntityDir);
+    auto file = ResourceManager::Load<EntityFile>(m_CurrentFile.string());
+    EntityFilePreprocessor fpp(file);
+    fpp.RegisterComponents(world);
+    EntityFileParser fp(file);
+    fp.MergeEntities(world);
+    createWidget();
+    updateWidget();
+}
+
+void EditorSystem::fileSave(World* world)
+{
+    if (boost::filesystem::exists(m_CurrentFile)) {
+        // HACK: Delete the widgets so they don't appear in the saved file
+        world->DeleteEntity(m_Widget);
+        m_Widget = EntityID_Invalid;
+
+        EntityFileWriter writer(m_CurrentFile.string());
+        writer.WriteWorld(world);
+
+        createWidget();
+    } else {
+        fileSaveAs(world);
+    }
+}
+
+void EditorSystem::fileSaveAs(World* world)
+{
+    auto filePath = saveDialog(m_DefaultEntityDir);
+    if (filePath.empty()) {
+        return;
+    }
+
+    // HACK: Delete the widgets so they don't appear in the saved file
+    world->DeleteEntity(m_Widget);
+    m_Widget = EntityID_Invalid;
+
+    EntityFileWriter writer(filePath.string());
+    writer.WriteWorld(world);
+
+    createWidget();
+}

src/Engine/Input/InputProxy.cpp

@@ -62,7 +62,7 @@ void InputProxy::Process()
             e.Command = command;
             e.Value = currentValue;
             m_EventBroker->Publish(e);
-            LOG_DEBUG("Input: Published command %s=%f for player %i", e.Command.c_str(), e.Value, e.PlayerID);
+            //LOG_DEBUG("Input: Published command %s=%f for player %i", e.Command.c_str(), e.Value, e.PlayerID);
             m_LastCommandValues[command] = currentValue;
         }
     }
@@ -78,7 +78,7 @@ void InputProxy::Process()
         }
         //e.Value = std::max(-1.f, std::min(e.Value, 1.f));
         m_EventBroker->Publish(e);
-        LOG_DEBUG("Input: Published command %s=%f for player %i", e.Command.c_str(), e.Value, e.PlayerID);
+        //LOG_DEBUG("Input: Published command %s=%f for player %i", e.Command.c_str(), e.Value, e.PlayerID);
     }
     m_CommandQueue.clear();
 }

src/Engine/Network/Client.cpp

@@ -17,7 +17,6 @@ Client::Client(ConfigFile* config) : m_Socket(m_IOService)
 
 Client::~Client()
 {
-
 }
 
 void Client::Start(World* world, EventBroker* eventBroker)
@@ -27,14 +26,8 @@ void Client::Start(World* world, EventBroker* eventBroker)
     m_World = world;
 
     // Subscribe to events
-    m_EInputCommand = decltype(m_EInputCommand)(std::bind(&Client::OnInputCommand, this, std::placeholders::_1));
-    m_EventBroker->Subscribe(m_EInputCommand);
+    EVENT_SUBSCRIBE_MEMBER(m_EInputCommand, &Client::OnInputCommand);
 
-
-    //while (m_PlayerName.size() > 7) {
-    //    LOG_INFO("Please enter your name (No longer than 7 characters):");
-    //    std::cin >> m_PlayerName;
-    //}
     m_Socket.connect(m_ReceiverEndpoint);
     LOG_INFO("I am client. BIP BOP");
 }
@@ -44,18 +37,9 @@ void Client::Update()
     readFromServer();
 }
 
-void Client::Close()
-{
-    if (m_WasStarted) {
-        disconnect();
-        m_ThreadIsRunning = false;
-        m_EventBroker->Unsubscribe(m_EInputCommand);
-    }
-}
-
 void Client::readFromServer()
 {
-    if (m_Socket.available()) {
+    while (m_Socket.available()) {
         bytesRead = receive(readBuf, INPUTSIZE);
         if (bytesRead > 0) {
             Packet packet(readBuf, bytesRead);
@@ -65,7 +49,7 @@ void Client::readFromServer()
     std::clock_t currentTime = std::clock();
     if (snapshotInterval < (1000 * (currentTime - previousSnapshotMessage) / (double)CLOCKS_PER_SEC)) {
         if (isConnected()) {
-            sendSnapshotToServer();
+            //sendSnapshotToServer();
         }
         previousSnapshotMessage = currentTime;
     }
@@ -73,13 +57,12 @@ void Client::readFromServer()
 
 void Client::sendSnapshotToServer()
 {
-    // Reset previouse key state in snapshot.
+    // Reset previous key state in snapshot.
     m_NextSnapshot.InputForward = "";
     m_NextSnapshot.InputRight = "";
 
     auto player = m_World->GetComponent(m_PlayerDefinitions[m_PlayerID].EntityID, "Player");
 
-
     // See if any movement keys are down
     // We dont care if it's overwritten by later
     // if statement. Watcha gonna do, right!
@@ -125,6 +108,8 @@ void Client::parseMessageType(Packet& packet)
     // Read packet ID 
     m_PreviousPacketID = m_PacketID;    // Set previous packet id
     m_PacketID = packet.ReadPrimitive<int>(); //Read new packet id
+    if (m_PacketID <= m_PreviousPacketID)
+        return;
     //IdentifyPacketLoss();
 
     switch (static_cast<MessageType>(messageType)) {
@@ -184,33 +169,51 @@ void Client::parseEventMessage(Packet& packet)
     }
 }
 
+void Client::updateFields(Packet& packet, const ComponentInfo& componentInfo, const EntityID& entityID, const std::string& componentType)
+{
+    for (auto field : componentInfo.FieldsInOrder) {
+        ComponentInfo::Field_t fieldInfo = componentInfo.Fields.at(field);
+        if (fieldInfo.Type == "string") {
+            std::string& value = packet.ReadString();
+            m_World->GetComponent(entityID, componentType)[fieldInfo.Name] = value;
+        } else {
+            memcpy(m_World->GetComponent(entityID, componentType).Data + fieldInfo.Offset, packet.ReadData(fieldInfo.Stride), fieldInfo.Stride);
+        }
+    }
+}
+
+// Field parse
 void Client::parseSnapshot(Packet& packet)
 {
-    std::string tempName;
-    for (size_t i = 0; i < MAXCONNECTIONS; i++) {
-        // We're checking for empty name for now. This might not be the best way,
-        // but it is to avoid sending redundant data.
-        tempName = packet.ReadString();
-
-
-        // Apply the position data read to the player entity
-        // New player connected on the server side 
-        if (m_PlayerDefinitions[i].Name == "" && tempName != "") {
-            m_PlayerDefinitions[i].Name = tempName;
-            m_PlayerDefinitions[i].EntityID = createPlayer();
-        } else if (m_PlayerDefinitions[i].Name != "" && tempName == "") {
-            // Someone disconnected
-            // TODO: Insert code here
-            break;
-        } else if (m_PlayerDefinitions[i].Name == "" && tempName == "") {
-            // Not a connected player
-            break;
-        }
-        if (m_PlayerDefinitions[i].EntityID != -1) {
-
-            // Move player to server position
-            int dataSize = m_World->GetComponent(m_PlayerDefinitions[i].EntityID, "Transform").Info.Meta.Stride;
-            memcpy(m_World->GetComponent(m_PlayerDefinitions[i].EntityID, "Transform").Data, packet.ReadData(dataSize), dataSize);
+    std::string componentType = packet.ReadString();
+    while (packet.DataReadSize() < packet.Size()) {
+        EntityID entityID = packet.ReadPrimitive<EntityID>();
+        ComponentInfo componentInfo = m_World->GetComponents(componentType)->ComponentInfo();
+        if (m_World->ValidEntity(entityID)) {
+            if (m_World->HasComponent(entityID, componentType)) {
+                // If the entity and the component exists update it
+                updateFields(packet, componentInfo, entityID, componentType);
+                // if entity exists but not the component
+            } else {
+                // Create component
+                m_World->AttachComponent(entityID, componentType);
+                // Copy data to newly created component
+                updateFields(packet, componentInfo, entityID, componentType);
+            }
+            // If the entity dosent exist nor the component
+        } else {
+            //Create Entity
+            // If entity dosen't exist
+            EntityID newEntityID = m_World->CreateEntity();
+            // Check if EntityIDs are out of sync
+            if (newEntityID != entityID) {
+                LOG_INFO("Client::parseSnapshot(Packet& packet): Newly created EntityID is not the \
+                            same as the one sent by server (EntityIDs are out of sync)");
+            }
+            // Create component
+            m_World->AttachComponent(newEntityID, componentType);
+            // Copy data to newly created component
+            updateFields(packet, componentInfo, newEntityID, componentType);
         }
     }
 }
@@ -225,7 +228,7 @@ int Client::receive(char* data, size_t length)
         0, error);
 
     if (error) {
-        //LOG_ERROR("receive: %s", error.message().c_str());
+        LOG_ERROR("receive: %s", error.message().c_str());
     }
 
     return bytesReceived;

src/Engine/Network/Packet.cpp

@@ -3,13 +3,7 @@
 Packet::Packet(MessageType type, unsigned int& packetID)
 {
     m_Data = new char[m_MaxPacketSize];
-    // Create message header
-    // Add message type
-    int messageType = static_cast<int>(type);
-    Packet::WritePrimitive<int>(messageType);
-    packetID = packetID % 1000; // Packet id modulos
-    Packet::WritePrimitive<int>(packetID);
-    packetID++;
+    Init(type, packetID);
 }
 
 // Create message
@@ -28,12 +22,26 @@ Packet::~Packet()
     delete[] m_Data;
 }
 
-void Packet::WriteString(std::string str)
+void Packet::Init(MessageType type, unsigned int & packetID)
+{ 
+    m_ReturnDataOffset = 0;
+    m_Offset = 0;
+    // Create message header
+    // Add message type
+    int messageType = static_cast<int>(type);
+    Packet::WritePrimitive<int>(messageType);
+    packetID = packetID % 1000; // Packet id modulos
+    Packet::WritePrimitive<int>(packetID);
+    packetID++;
+}
+
+void Packet::WriteString(const std::string& str)
 {
     // Message, add one extra byte for null terminator
     int sizeOfString = str.size() + 1;
     if (m_Offset + sizeOfString > m_MaxPacketSize) {
-        LOG_WARNING("Package::WriteString(): Data size in packet exceeded maximum package size.\n");
+        LOG_WARNING("Package::WriteString(): Data size in packet exceeded maximum package size. New size is %i bytes\n", m_MaxPacketSize*2);
+        resizeData();
     }
     memcpy(m_Data + m_Offset, str.data(), sizeOfString * sizeof(char));
     m_Offset += sizeOfString * sizeof(char);
@@ -42,7 +50,8 @@ void Packet::WriteString(std::string str)
 void Packet::WriteData(char * data, int sizeOfData)
 {
     if (m_Offset + sizeOfData > m_MaxPacketSize) {
-        LOG_WARNING("Packet::WriteData(): Data size in packet exceeded maximum packet size.\n");
+        LOG_WARNING("Packet::WriteData(): Data size in packet exceeded maximum packet size. New size is %i bytes\n", m_MaxPacketSize*2);
+        resizeData();
     }
     memcpy(m_Data + m_Offset, data, sizeOfData);
     m_Offset += sizeOfData;
@@ -69,4 +78,24 @@ char * Packet::ReadData(int SizeOfData)
     unsigned int oldReturnDataOffset = m_ReturnDataOffset;
     m_ReturnDataOffset += SizeOfData;
     return (m_Data + oldReturnDataOffset);
-}
+}
+
+void Packet::resizeData()
+{ 
+
+    // Allocate memory to store our data in
+    char* holdData = new char[m_MaxPacketSize];
+    // Copy our data to the newly allocated memory
+    memcpy(holdData, m_Data, m_Offset);
+   // Increase max packet size
+    m_MaxPacketSize = m_MaxPacketSize * 2;
+    // Delete our data
+    delete m_Data;
+    // Allocate twice the memory we had before
+    m_Data = new char[m_MaxPacketSize];
+    // Copy our data to new location
+    memcpy(m_Data, holdData, m_Offset);
+    // Delete the memory allocated to hold our data
+    // while we resized the old data container.
+    delete holdData;
+}

src/Engine/Network/Server.cpp

@@ -4,7 +4,9 @@ Server::Server() : m_Socket(m_IOService, boost::asio::ip::udp::endpoint(boost::a
 { }
 
 Server::~Server()
-{ }
+{
+
+}
 
 
 void Server::Start(World* world, EventBroker* eventBroker)
@@ -22,18 +24,9 @@ void Server::Update()
     readFromClients();
 }
 
-void Server::Close()
-{
-    m_ThreadIsRunning = false;
-}
-
 void Server::readFromClients()
 {
-    // m_ThreadIsRunning might be unnecessary but the 
-    // program crashed if it executed m_Socket.available()
-    // when closing the program. 
-
-    if (m_Socket.available()) {
+    while (m_Socket.available()) {
         try {
             bytesRead = receive(readBuffer, INPUTSIZE);
             Packet packet(readBuffer, bytesRead);
@@ -41,7 +34,6 @@ void Server::readFromClients()
         } catch (const std::exception& err) {
             //LOG_ERROR("%i: Read from client crashed %s", m_PacketID, err.what());
         }
-
     }
     std::clock_t currentTime = std::clock();
     // Send snapshot
@@ -58,7 +50,7 @@ void Server::readFromClients()
 
     // Time out logic
     if (checkTimeOutInterval < (1000 * (currentTime - timOutTimer) / (double)CLOCKS_PER_SEC)) {
-        checkForTimeOuts();
+        //checkForTimeOuts();
         timOutTimer = currentTime;
     }
 }
@@ -108,7 +100,7 @@ int Server::receive(char * data, size_t length)
 
 void Server::send(Packet& packet, int playerID)
 {
-    m_Socket.send_to(
+    int bytesSent = m_Socket.send_to(
         boost::asio::buffer(packet.Data(), packet.Size()),
         m_PlayerDefinitions[playerID].Endpoint,
         0);
@@ -150,22 +142,32 @@ void Server::broadcast(Packet& packet)
     }
 }
 
+// Send snapshot fields
 void Server::sendSnapshot()
 {
-    Packet packet(MessageType::Snapshot, m_SendPacketID);
-    for (size_t i = 0; i < MAXCONNECTIONS; i++) {
+    // Should time this
+    std::unordered_map<std::string, ComponentPool*> worldComponentPools = m_World->GetComponentPools();
+    for (auto& it : worldComponentPools) {
+        Packet packet(MessageType::Snapshot, m_SendPacketID);
+        std::string componentType = it.first;
+        ComponentPool* componentPool = it.second;
+        ComponentInfo componentInfo = componentPool->ComponentInfo();
+        packet.WriteString(componentInfo.Name);
 
-        // Send an empty name if there is no player connected on this position.
-        packet.WriteString(m_PlayerDefinitions[i].Name);
-
-        if (m_PlayerDefinitions[i].EntityID == -1) {
-            continue;
+        for (auto& componentWrapper : *componentPool) {
+            packet.WritePrimitive(componentWrapper.EntityID);
+            for (auto& componentField : componentWrapper.Info.FieldsInOrder) {
+                ComponentInfo::Field_t fieldInfo = componentInfo.Fields.at(componentField);
+                if (fieldInfo.Type == "string") {
+                    std::string& value = componentWrapper[componentField];
+                    packet.WriteString(value);
+                } else {
+                    packet.WriteData(componentWrapper.Data + fieldInfo.Offset, fieldInfo.Stride);
+                }
+            }
         }
-        // Pack transfrom component into data packet
-        auto transform = m_World->GetComponent(m_PlayerDefinitions[i].EntityID, "Transform");
-        packet.WriteData(transform.Data, transform.Info.Meta.Stride);
+        broadcast(packet);
     }
-    broadcast(packet);
 }
 
 void Server::sendPing()
@@ -174,10 +176,9 @@ void Server::sendPing()
     for (size_t i = 0; i < MAXCONNECTIONS; i++) {
         if (m_PlayerDefinitions[i].Endpoint.address() != boost::asio::ip::address()) {
             int ping = 1000 * (m_StopTimes[i] - m_StartPingTime) / static_cast<double>(CLOCKS_PER_SEC);
-            LOG_INFO("%i: Player %i's ping: %i", m_PacketID, i, ping);
+            LOG_INFO("Last packetID received %i: Player %i's ping: %i", m_PacketID, i, ping);
         }
     }
-
     // Create ping message
     Packet packet(MessageType::ServerPing, m_SendPacketID);
     packet.WriteString("Ping from server");
@@ -271,7 +272,7 @@ void Server::parseConnect(Packet& packet)
 
             m_StopTimes[i] = std::clock();
 
-            LOG_INFO("Player \"%s\" connected on IP: %s", m_PlayerDefinitions[i].Name, m_PlayerDefinitions[i].Endpoint.address().to_string());
+            LOG_INFO("Player \"%s\" connected on IP: %s", m_PlayerDefinitions[i].Name.c_str(), m_PlayerDefinitions[i].Endpoint.address().to_string().c_str());
 
             Packet packet(MessageType::Connect, m_SendPacketID);
             packet.WritePrimitive<int>(i); // Player ID

src/Engine/Rendering/Camera.cpp

@@ -50,6 +50,18 @@ void Camera::SetOrientation(glm::quat val)
 	UpdateViewMatrix();
 }
 
+
+void Camera::SetProjectionMatrix(glm::mat4 val)
+{
+    m_ProjectionMatrix = val;
+}
+
+
+void Camera::SetViewMatrix(glm::mat4 val)
+{
+    m_ViewMatrix = val;
+}
+
 //void Camera::Pitch(float val)
 //{
 //	m_Pitch = val;
@@ -64,15 +76,6 @@ void Camera::SetOrientation(glm::quat val)
 
 void Camera::UpdateProjectionMatrix()
 {
-//	m_ProjectionMatrix = glm::ortho(
-//		-16.f,
-//		16.f,
-//		-9.f,
-//		9.f,
-//		m_NearClip,
-//		m_FarClip
-//		);
-
 	m_ProjectionMatrix = glm::perspective(m_FOV, m_AspectRatio, m_NearClip, m_FarClip);
 }
 

src/Engine/Rendering/DrawScenePass.cpp

@@ -21,29 +21,25 @@ void DrawScenePass::InitializeShaderPrograms()
     m_BasicForwardProgram->AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/BasicForward.frag.glsl")));
     m_BasicForwardProgram->Compile();
     m_BasicForwardProgram->Link();
-
-
 }
 
-void DrawScenePass::Draw(RenderQueueCollection& rq)
+void DrawScenePass::Draw(RenderScene& scene)
 {
     //glBindFramebuffer(GL_FRAMEBUFFER, 0);
     GLERROR("Renderer::Draw PickingPass");
 
-    DrawScenePassState state;
+    DrawScenePassState state = DrawScenePassState();
 
-
-    //TODO: Render: Add code for more jobs than modeljobs.
-    for (auto &job : rq.Forward) {
+    for (auto &job : scene.ForwardJobs) {
         auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
         if (modelJob) {
             GLuint ShaderHandle = m_BasicForwardProgram->GetHandle();
 
             m_BasicForwardProgram->Bind();
             //TODO: Kolla upp "header/include/common" shader saken så man slipper skicka in asmycket uniforms
-            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->ModelMatrix));
-            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_Renderer->Camera()->ViewMatrix()));
-            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_Renderer->Camera()->ProjectionMatrix()));
+            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
+            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ViewMatrix()));
+            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ProjectionMatrix()));            
             glUniform4fv(glGetUniformLocation(ShaderHandle, "Color"), 1, glm::value_ptr(modelJob->Color));
 
             //TODO: Renderer: bättre textur felhantering samt fler texturer stöd
@@ -59,8 +55,9 @@ void DrawScenePass::Draw(RenderQueueCollection& rq)
             glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
             glDrawElementsBaseVertex(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, 0, modelJob->StartIndex);
 
-            continue;
+            //continue;
         }
     }
+    
     GLERROR("DrawScene Error");
 }

src/Engine/Rendering/DrawScenePassState.cpp

@@ -8,8 +8,10 @@ DrawScenePassState::DrawScenePassState()
     GLERROR("---");
     Enable(GL_DEPTH_TEST);
     Enable(GL_CULL_FACE);
-    ClearColor(glm::vec4(255.f / 255, 163.f / 255, 176.f / 255, 0.f));
-    Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    Enable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   // ClearColor(glm::vec4(255.f / 255, 163.f / 255, 176.f / 255, 0.f));
+   // Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 }
 
 DrawScenePassState::~DrawScenePassState()

src/Engine/Rendering/DummyRenderer.cpp

@@ -39,17 +39,10 @@ void DummyRenderer::Initialize()
 		exit(EXIT_FAILURE);
 	}
 
-	// Create default camera
-	m_DefaultCamera = new ::Camera((float)m_Resolution.Width / m_Resolution.Height, glm::radians(45.f), 0.01f, 5000.f);
-	m_DefaultCamera->SetPosition(glm::vec3(0, 0, 0));
-	if (m_Camera == nullptr) {
-		m_Camera = m_DefaultCamera;
-	}
-
 	glfwSwapInterval(m_VSYNC);
 }
 
-void DummyRenderer::Draw(RenderQueueCollection& rq)
+void DummyRenderer::Draw(RenderFrame& rq)
 {
 	glClearColor(255.f / 255, 163.f / 255, 176.f / 255, 0.f);
 	glClear(GL_COLOR_BUFFER_BIT);

src/Engine/Rendering/PickingPass.cpp

@@ -43,70 +43,109 @@ void PickingPass::InitializeShaderPrograms()
     m_PickingProgram->Link();
 }
 
-void PickingPass::Draw(RenderQueueCollection& rq)
+void PickingPass::Draw(RenderScene& scene)
 {
-    m_PickingColorsToEntity.clear();
     PickingPassState* state = new PickingPassState(m_PickingBuffer.GetHandle());
 
-    int r = 0;
-    int g = 0;
+    
     //TODO: Render: Add code for more jobs than modeljobs.
 
     GLuint ShaderHandle = m_PickingProgram->GetHandle();
     m_PickingProgram->Bind();
 
-    std::map<EntityID, glm::vec2> entityColors;
+    
 
-    for (auto &job : rq.Forward) {
-        auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
+        m_Camera = scene.Camera;
 
-        if (modelJob) {
-            int pickColor[2] = { r, g };
-            auto color = entityColors.find(modelJob->Entity);
-            if (color != entityColors.end()) {
-                pickColor[0] = color->second[0];
-                pickColor[1] = color->second[1];
-            } else {
-                entityColors[modelJob->Entity] = glm::vec2(pickColor[0], pickColor[1]);
-                if (r + 10 > 255) {
-                    r = 0;
-                    g += 1;
+        for (auto &job : scene.ForwardJobs) {
+            auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
+
+            if (modelJob) {
+                int pickColor[2] = { m_ColorCounter[0], m_ColorCounter[1] };
+
+                PickingInfo pickInfo;
+                pickInfo.Entity = modelJob->Entity;
+                pickInfo.World = modelJob->World;
+                pickInfo.Camera = scene.Camera;
+
+                auto color = m_EntityColors.find(std::make_tuple(pickInfo.Entity, pickInfo.World, pickInfo.Camera));
+                if (color != m_EntityColors.end()) {
+                    pickColor[0] = color->second[0];
+                    pickColor[1] = color->second[1];
                 } else {
-                    r += 1;
+                    m_EntityColors[std::make_tuple(pickInfo.Entity, pickInfo.World, pickInfo.Camera)] = glm::ivec2(pickColor[0], pickColor[1]);
+                    if (m_ColorCounter[0] > 255) {
+                        m_ColorCounter[0] = 0;
+                        m_ColorCounter[1]++;;
+                    } else {
+                        m_ColorCounter[0]++;;
+                    }
                 }
-            }
-            m_PickingColorsToEntity[glm::vec2(pickColor[0], pickColor[1])] = modelJob->Entity;
-            
-            //Render picking stuff
-            //TODO: Kolla upp "header/include/common" shader saken så man slipper skicka in asmycket uniforms
-            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->ModelMatrix));
-            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(m_Renderer->Camera()->ViewMatrix()));
-            glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(m_Renderer->Camera()->ProjectionMatrix()));
-            glUniform2fv(glGetUniformLocation(ShaderHandle, "PickingColor"), 1, glm::value_ptr(glm::vec2(pickColor[0], pickColor[1])));
 
-            glBindVertexArray(modelJob->Model->VAO);
-            glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
-            glDrawElementsBaseVertex(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, nullptr, modelJob->StartIndex);
+                m_PickingColorsToEntity[glm::ivec2(pickColor[0], pickColor[1])] = pickInfo;
+
+                glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
+                glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ViewMatrix()));
+                glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ProjectionMatrix()));
+                glUniform2fv(glGetUniformLocation(ShaderHandle, "PickingColor"), 1, glm::value_ptr(glm::vec2(pickColor[0], pickColor[1])));
+
+                glBindVertexArray(modelJob->Model->VAO);
+                glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, modelJob->Model->ElementBuffer);
+                glDrawElementsBaseVertex(GL_TRIANGLES, modelJob->EndIndex - modelJob->StartIndex + 1, GL_UNSIGNED_INT, nullptr, modelJob->StartIndex);
+            }
         }
-    }
+    
+    
     m_PickingBuffer.Unbind();
     GLERROR("PickingPass Error");
 
-    //Publish pick event every frame with the pick data that can be picked by the event
+
+    delete state;
+}
+
+
+
+void PickingPass::ClearPicking()
+{
+    m_PickingColorsToEntity.clear();
+    m_EntityColors.clear();
+    m_ColorCounter[0] = 1;
+    m_ColorCounter[1] = 0;
+
+    m_PickingBuffer.Bind();
+    glClearColor(0.f, 0.f, 0.f, 0.f);
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    m_PickingBuffer.Unbind();
+}
+
+PickData PickingPass::Pick(glm::vec2 screenCoord)
+{
     int fbWidth;
     int fbHeight;
     glfwGetFramebufferSize(m_Renderer->Window(), &fbWidth, &fbHeight);
-    Events::Picking pickEvent = Events::Picking(
-        &m_PickingBuffer,
-        &m_DepthBuffer,
-        m_Renderer->Camera()->ProjectionMatrix(),
-        m_Renderer->Camera()->ViewMatrix(),
-        Rectangle(fbWidth, fbHeight),
-        &m_PickingColorsToEntity);
 
-    m_EventBroker->Publish(pickEvent);
+    Rectangle resolution = Rectangle(fbWidth, fbHeight);
+    PickData pickData;
+    // Invert screen y coordinate
+    screenCoord.y = resolution.Height - screenCoord.y;
+    ScreenCoords::PixelData data = ScreenCoords::ToPixelData(screenCoord, &m_PickingBuffer, m_DepthBuffer);
+    pickData.Depth = data.Depth;
 
-    delete state;
+    PickingInfo pickInfo;
+
+    auto it = m_PickingColorsToEntity.find(glm::ivec2(data.Color[0], data.Color[1]));
+    if (it != m_PickingColorsToEntity.end()) {
+        pickInfo = it->second;
+    } else {
+        pickData.Entity = EntityID_Invalid;
+        return pickData;
+    }
+
+    pickData.Position = ScreenCoords::ToWorldPos(screenCoord.x, screenCoord.y, data.Depth, resolution, pickInfo.Camera->ProjectionMatrix(), pickInfo.Camera->ViewMatrix());
+    pickData.Entity = pickInfo.Entity;
+    pickData.Camera = pickInfo.Camera;
+    pickData.World = pickInfo.World;
+    return pickData;
 }
 
 void PickingPass::GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const

src/Engine/Rendering/PickingPassState.cpp

@@ -10,8 +10,8 @@ PickingPassState::PickingPassState(GLuint frameBuffer)
     Enable(GL_CULL_FACE);
 
     glm::vec4 clearColor = glm::vec4(0.f);
-    ClearColor(clearColor);
-    Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    //ClearColor(clearColor);
+    //Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 }
 
 PickingPassState::~PickingPassState()

src/Engine/Rendering/RawModel.cpp

@@ -81,6 +81,9 @@ RawModel::RawModel(std::string fileName)
             float opacity;
             material->Get(AI_MATKEY_OPACITY, opacity);
 			desc.DiffuseVertexColor = glm::vec4(diffuse.r, diffuse.g, diffuse.b, opacity);
+
+			desc.DiffuseVertexColor = glm::vec4(diffuse.r, diffuse.g, diffuse.b, opacity);
+            
 			// Material specular color
 			aiColor3D specular;
 			material->Get(AI_MATKEY_COLOR_SPECULAR, specular);
@@ -134,6 +137,7 @@ RawModel::RawModel(std::string fileName)
 		matGroup.EndIndex = m_Indices.size() - 1;
 		// Material shininess
 		material->Get(AI_MATKEY_SHININESS, matGroup.Shininess);
+        material->Get(AI_MATKEY_OPACITY, matGroup.Transparency);
 		//LOG_DEBUG("Shininess: %f", matGroup.Shininess);
 		// Diffuse texture
 		//LOG_DEBUG("%i diffuse textures found", material->GetTextureCount(aiTextureType_DIFFUSE));

src/Engine/Rendering/RenderQueueFactory.cpp

@@ -1,116 +0,0 @@
-#include "Rendering/RenderQueueFactory.h"
-
-
-RenderQueueFactory::RenderQueueFactory()
-{
-    m_RenderQueues = RenderQueueCollection();
-}
-
-void RenderQueueFactory::Update(World* world)
-{
-    m_RenderQueues.Clear();
-    FillModels(world, &m_RenderQueues.Forward);
-    FillLights(world, &m_RenderQueues.Lights);
-}
-
-glm::mat4 RenderQueueFactory::ModelMatrix(World* world, EntityID entity)
-{
-    glm::vec3 position = AbsolutePosition(world, entity);
-    glm::quat orientation = AbsoluteOrientation(world, entity);
-    glm::vec3 scale = AbsoluteScale(world, entity);
-
-    glm::mat4 modelMatrix = glm::translate(glm::mat4(), position) * glm::toMat4(orientation) * glm::scale(scale);
-    return modelMatrix;
-}
-
-glm::vec3 RenderQueueFactory::AbsolutePosition(World* world, EntityID entity)
-{
-    glm::vec3 position;
-
-    do {
-        ComponentWrapper transform = world->GetComponent(entity, "Transform");
-        EntityID parent = world->GetParent(entity);
-        if (parent != 0) {
-            position += AbsoluteOrientation(world, parent) * (glm::vec3)transform["Position"];
-        } else {
-            position += (glm::vec3)transform["Position"];
-        }
-        entity = parent;
-    } while (entity != 0);
-   
-    return position;
-}
-
-glm::quat RenderQueueFactory::AbsoluteOrientation(World* world, EntityID entity)
-{
-    glm::quat orientation;
-
-    do {
-        ComponentWrapper transform = world->GetComponent(entity, "Transform");
-        orientation = glm::quat((glm::vec3)transform["Orientation"]) * orientation;
-        entity = world->GetParent(entity);
-    } while (entity != 0);
-    
-    return orientation;
-}
-
-glm::vec3 RenderQueueFactory::AbsoluteScale(World* world, EntityID entity)
-{
-    glm::vec3 scale(1.f);
-
-    do {
-        ComponentWrapper transform = world->GetComponent(entity, "Transform");
-        scale *= (glm::vec3)transform["Scale"];
-        entity = world->GetParent(entity);
-    } while (entity != 0);
-
-    return scale;
-}
-
-void RenderQueueFactory::FillModels(World* world, RenderQueue* renderQueue)
-{
-    auto models = world->GetComponents("Model");
-    if (models == nullptr) {
-        return;
-    }
-
-    for (auto& modelC : *models) {
-        bool visible = modelC["Visible"];
-        if (!visible) {
-            continue;
-        }
-        std::string resource = modelC["Resource"];
-        if (resource.empty()) {
-            continue;
-        }
-        glm::vec4 color = modelC["Color"];
-        Model* model = ResourceManager::Load<Model, true>(resource);
-        if (model == nullptr) {
-            model = ResourceManager::Load<Model>("Models/Core/Error.obj");
-        }
-
-        for (auto texGroup : model->TextureGroups()) {
-            ModelJob job;
-            job.TextureID = (texGroup.Texture) ? texGroup.Texture->ResourceID : 0;
-            job.DiffuseTexture = texGroup.Texture.get();
-            job.NormalTexture = texGroup.NormalMap.get();
-            job.SpecularTexture = texGroup.SpecularMap.get();
-            job.Model = model;
-            job.StartIndex = texGroup.StartIndex;
-            job.EndIndex = texGroup.EndIndex;
-            job.ModelMatrix = model->Matrix() * ModelMatrix(world, modelC.EntityID);
-            job.Color = color;
-
-            //TODO: RENDERER: Not sure if the best solution for pickingColor to entity link is this
-            job.Entity = modelC.EntityID;
-
-            renderQueue->Add(job);
-        }
-    }
-}
-
-void RenderQueueFactory::FillLights(World* world, RenderQueue* renderQueue)
-{
-
-}
-

src/Engine/Rendering/RenderSystem.cpp

@@ -0,0 +1,188 @@
+#include "Rendering/RenderSystem.h"
+
+RenderSystem::RenderSystem(EventBroker* eventBrokerer, const IRenderer* renderer, RenderFrame* renderFrame) :ImpureSystem(eventBrokerer)
+{
+    m_Renderer = renderer;
+    m_RenderFrame = renderFrame;
+    EVENT_SUBSCRIBE_MEMBER(m_ESetCamera, &RenderSystem::OnSetCamera);
+    EVENT_SUBSCRIBE_MEMBER(m_EInputCommand, &RenderSystem::OnInputCommand);
+
+    m_Camera = new Camera((float)m_Renderer->Resolution().Width / m_Renderer->Resolution().Height, glm::radians(45.f), 0.01f, 5000.f);
+    m_DebugCameraInputController = new DebugCameraInputController<RenderSystem>(eventBrokerer, -1);
+}
+
+RenderSystem::~RenderSystem()
+{
+    delete m_Camera;
+    delete m_DebugCameraInputController;
+}
+
+bool RenderSystem::OnSetCamera(const Events::SetCamera &event)
+{
+    auto cameras = m_World->GetComponents("Camera");
+
+    if (cameras != nullptr) {
+        for (auto it = cameras->begin(); it != cameras->end(); it++) {
+            if ((std::string)(*it)["Name"] == event.Name) {
+                switchCamera((*it).EntityID);
+            }
+        }
+    }
+    return true;
+}
+
+void RenderSystem::switchCamera(EntityID entity)
+{
+    if(m_World->HasComponent(entity, "Camera")) {
+
+        if (m_CurrentCamera != EntityID_Invalid) {
+            if (m_World->HasComponent(m_CurrentCamera, "Model")) {
+                m_World->GetComponent(m_CurrentCamera, "Model")["Visible"] = true;
+            }
+        }
+
+        if (m_World->HasComponent(entity, "Model")) {
+            m_World->GetComponent(entity, "Model")["Visible"] = false;
+        }
+        m_CurrentCamera = entity;
+        m_SwitchCamera = false;
+
+    } else {
+        LOG_ERROR("Entity %i does not have a CameraComponent", entity);
+        m_SwitchCamera = false;
+    }
+}
+
+void RenderSystem::updateProjectionMatrix(ComponentWrapper& cameraComponent)
+{
+    double fov = cameraComponent["FOV"];
+    double aspectRatio = (float)m_Renderer->Resolution().Width / m_Renderer->Resolution().Height;
+    double nearClip = cameraComponent["NearClip"];
+    double farClip = cameraComponent["FarClip"];
+
+    m_Camera->SetFOV(glm::radians(fov));
+    m_Camera->SetAspectRatio(aspectRatio);
+    m_Camera->SetNearClip(nearClip);
+    m_Camera->SetFarClip(farClip);
+    m_Camera->UpdateProjectionMatrix();
+}
+
+void RenderSystem::fillModels(std::list<std::shared_ptr<RenderJob>>& jobs, World* world)
+{
+    auto models = world->GetComponents("Model");
+    if (models == nullptr) {
+        return;
+    }
+
+    for (auto& modelComponent : *models) {
+        bool visible = modelComponent["Visible"];
+        if (!visible) {
+            continue;
+        }
+        std::string resource = modelComponent["Resource"];
+        if (resource.empty()) {
+            continue;
+        }
+
+        Model* model = ResourceManager::Load<::Model>(resource);
+        if (model == nullptr) {
+            model = ResourceManager::Load<::Model>("Models/Core/Error.obj");
+        }
+
+        glm::mat4 modelMatrix = Transform::ModelMatrix(modelComponent.EntityID, world);
+        
+        for (auto texGroup : model->TextureGroups) {
+            std::shared_ptr<ModelJob> modelJob = std::shared_ptr<ModelJob>(new ModelJob(model, m_Camera, modelMatrix, texGroup, modelComponent, world));
+            jobs.push_back(modelJob);
+        }
+    }
+}
+
+bool RenderSystem::OnInputCommand(const Events::InputCommand& e)
+{
+    if (e.Command == "SwitchCamera" && e.Value > 0) {
+        m_SwitchCamera = true;
+        return true;
+    } else {
+        return false;
+    }
+}
+
+void RenderSystem::Update(World* world, double dt)
+{
+    m_World = world;
+    m_EventBroker->Process<RenderSystem>();
+
+    updateCamera(world, dt);
+
+    //Only supports opaque geometry atm
+    m_RenderFrame->Clear();
+
+    RenderScene rs;
+    rs.Camera = m_Camera;
+    rs.Viewport = Rectangle(1280, 720);
+    fillModels(rs.ForwardJobs, world);
+    m_RenderFrame->Add(rs);
+   
+}
+
+void RenderSystem::updateCamera(World* world, double dt)
+{
+    if (m_SwitchCamera) {
+        auto cameras = world->GetComponents("Camera");
+        for (auto it = cameras->begin(); it != cameras->end(); it++) {
+            if ((*it).EntityID == m_CurrentCamera) {
+                it++;
+                if (it != cameras->end()) {
+                    switchCamera((*it).EntityID);
+                } else {
+                    switchCamera((*cameras->begin()).EntityID);
+                }
+                break;
+            }
+        }
+        ComponentWrapper& cameraComponent = world->GetComponent(m_CurrentCamera, "Camera");
+        ComponentWrapper& cameraTransform = world->GetComponent(m_CurrentCamera, "Transform");
+
+        m_DebugCameraInputController->SetOrientation(glm::quat((glm::vec3)cameraTransform["Orientation"]));
+        m_DebugCameraInputController->SetPosition(cameraTransform["Position"]);
+    }
+
+    if (m_World->ValidEntity(m_CurrentCamera)) {
+        if (world->HasComponent(m_CurrentCamera, "Camera") && world->HasComponent(m_CurrentCamera, "Transform")) {
+            ComponentWrapper& cameraComponent = world->GetComponent(m_CurrentCamera, "Camera");
+            ComponentWrapper& cameraTransform = world->GetComponent(m_CurrentCamera, "Transform");
+
+            m_DebugCameraInputController->Update(dt);
+            (glm::vec3&)cameraTransform["Orientation"] = glm::eulerAngles(m_DebugCameraInputController->Orientation());
+            (glm::vec3&)cameraTransform["Position"] = m_DebugCameraInputController->Position();
+
+            glm::vec3 position = Transform::AbsolutePosition(world, m_CurrentCamera);
+            glm::quat orientation = Transform::AbsoluteOrientation(world, m_CurrentCamera);
+
+            m_Camera->SetPosition(position);
+            m_Camera->SetOrientation(orientation);
+
+            updateProjectionMatrix(cameraComponent);
+
+        }
+    } else {
+        m_Camera = m_Camera;
+
+        auto cameras = world->GetComponents("Camera");
+        if (cameras != nullptr) {
+            if (cameras->begin() != cameras->end()) {
+                ComponentWrapper& cameraC = *cameras->begin();
+                switchCamera(cameraC.EntityID);
+
+                ComponentWrapper& cameraComponent = world->GetComponent(m_CurrentCamera, "Camera");
+                ComponentWrapper& cameraTransform = world->GetComponent(m_CurrentCamera, "Transform");
+
+                m_DebugCameraInputController->SetOrientation(glm::quat((glm::vec3)cameraTransform["Orientation"]));
+                m_DebugCameraInputController->SetPosition(cameraTransform["Position"]);
+            }
+        }
+    }
+
+    m_Camera->UpdateViewMatrix();
+}

src/Engine/Rendering/Renderer.cpp

@@ -3,27 +3,27 @@
 void Renderer::Initialize()
 {
 	InitializeWindow();
-	// Create default camera
-	m_DefaultCamera = new ::Camera((float)m_Resolution.Width / m_Resolution.Height, glm::radians(45.f), 0.01f, 5000.f);
-	m_DefaultCamera->SetPosition(glm::vec3(0, 0, 10));
-	if (m_Camera == nullptr) {
-		m_Camera = m_DefaultCamera;
-	}
-    m_DebugCameraInputController = std::make_shared<DebugCameraInputController<Renderer>>(m_EventBroker, -1);
-    TEMPCreateLights();
+    
     InitializeRenderPasses();
 
 	glfwSwapInterval(m_VSYNC);
 	InitializeShaders();
     InitializeTextures();
-    InitializeSSBOs();
-    //CalculateFrustum();
 
     m_ScreenQuad = ResourceManager::Load<Model>("Models/Core/ScreenQuad.obj");
     m_UnitQuad = ResourceManager::Load<Model>("Models/Core/UnitQuad.obj");
     m_UnitSphere = ResourceManager::Load<Model>("Models/Core/UnitSphere.obj");
 
     m_ImGuiRenderPass = new ImGuiRenderPass(this, m_EventBroker);
+
+
+    // Create default camera
+    m_DefaultCamera = new ::Camera((float)m_Resolution.Width / m_Resolution.Height, glm::radians(45.f), 0.01f, 5000.f);
+    m_DefaultCamera->SetPosition(glm::vec3(0, 0, 10));
+    if (m_Camera == nullptr) {
+        m_Camera = m_DefaultCamera;
+    }
+
 }
 
 void Renderer::InitializeWindow()
@@ -75,52 +75,11 @@ void Renderer::InitializeShaders()
     m_DrawScreenQuadProgram->AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/DrawScreenQuad.frag.glsl")));
     m_DrawScreenQuadProgram->Compile();
     m_DrawScreenQuadProgram->Link();
-
-    //m_CalculateFrustumProgram = ResourceManager::Load<ShaderProgram>("#CalculateFrustumProgram");
-    //m_CalculateFrustumProgram.AddShader(std::shared_ptr<Shader>(new ComputeShader("Shaders/GridFrustum.comp.glsl")));
-    //m_CalculateFrustumProgram.Compile();
-    //m_CalculateFrustumProgram.Link();
-
-    //m_LightCullProgram = ResourceManager::Load<ShaderProgram>("#LightCullProgram");
-    //m_LightCullProgram.AddShader(std::shared_ptr<Shader>(new ComputeShader("Shaders/cullLights.comp.glsl")));
-    //m_LightCullProgram.Compile();
-    //m_LightCullProgram.Link();
 }
 
 void Renderer::InputUpdate(double dt)
 {
-	glm::vec3 m_Position = m_Camera->Position();
-	if (glfwGetKey(m_Window, GLFW_KEY_O) == GLFW_PRESS)
-	{
-		m_Position = glm::vec3(0.f, 0.f, 5.f);
-	}
-	if (glfwGetKey(m_Window, GLFW_KEY_W) == GLFW_PRESS)
-	{
-		m_Position += m_Camera->Forward() * m_CameraMoveSpeed * (float)dt;
-	}
-	if (glfwGetKey(m_Window, GLFW_KEY_S) == GLFW_PRESS)
-	{
-		m_Position -= m_Camera->Forward() * m_CameraMoveSpeed * (float)dt;
-	}
-	if (glfwGetKey(m_Window, GLFW_KEY_D) == GLFW_PRESS)
-	{
-		m_Position += m_Camera->Right() * m_CameraMoveSpeed * (float)dt;
-	}
-	if (glfwGetKey(m_Window, GLFW_KEY_A) == GLFW_PRESS)
-	{
-		m_Position -= m_Camera->Right() * m_CameraMoveSpeed * (float)dt;
-	}
-	if (glfwGetKey(m_Window, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS)
-	{
-		m_CameraMoveSpeed = 5.f;
-	}
-	else {
-		m_CameraMoveSpeed = 0.5f;
-	}
-
-    m_DebugCameraInputController->Update(dt);
-    m_Camera->SetOrientation(m_DebugCameraInputController->Orientation());
-	m_Camera->SetPosition(m_DebugCameraInputController->Position());
+   
 }
 
 void Renderer::Update(double dt)
@@ -130,20 +89,31 @@ void Renderer::Update(double dt)
     m_ImGuiRenderPass->Update(dt);
 }
 
-void Renderer::Draw(RenderQueueCollection& rq)
+void Renderer::Draw(RenderFrame& frame)
 {
-    m_PickingPass->Draw(rq);
-    //DrawScreenQuad(m_PickingPass->PickingTexture());
-    //CullLights();
-    
-    glClearColor(255.f / 255, 163.f / 255, 176.f / 255, 1.f);
+    glClearColor(255.f / 255, 163.f / 255, 176.f / 255, 0.f);
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    m_PickingPass->ClearPicking();
+    for (auto scene : frame.RenderScenes){
+        m_Camera = scene->Camera; // remove renderer camera when Editor uses the render scene cameras.
+        m_PickingPass->Draw(*scene);
+
+       
+
+        m_DrawScenePass->Draw(*scene);
+        GLERROR("Renderer::Draw m_DrawScenePass->Draw");
+    }
 
-    m_DrawScenePass->Draw(rq);
-    GLERROR("Renderer::Draw m_DrawScenePass->Draw");
     m_ImGuiRenderPass->Draw();
 	glfwSwapBuffers(m_Window);
 }
 
+PickData Renderer::Pick(glm::vec2 screenCoord)
+{
+    return m_PickingPass->Pick(screenCoord);
+}
+
 void Renderer::DrawScreenQuad(GLuint textureToDraw)
 {
     glBindFramebuffer(GL_FRAMEBUFFER, 0);
@@ -183,95 +153,8 @@ void Renderer::GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filterin
     GLERROR("Texture initialization failed");
 }
 
-void Renderer::InitializeSSBOs()
-{
-    printf("Size: %i\n", sizeof(m_Frustums));
-    glGenBuffers(1, &m_FrustumSSBO);
-    glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_FrustumSSBO);
-    glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(m_Frustums), &m_Frustums, GL_DYNAMIC_COPY);
-    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, m_FrustumSSBO);
-    glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
-
-    GLERROR("m_FrustumSSBO");
-
-    glGenBuffers(1, &m_LightSSBO);
-    glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_LightSSBO);
-    glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(m_PointLights), &m_PointLights, GL_DYNAMIC_COPY);
-    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, m_LightSSBO);
-    glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
-
-    GLERROR("m_LightSSBO");
-
-
-    glGenBuffers(1, &m_LightGridSSBO);
-    glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_LightGridSSBO);
-    glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(m_LightGrid), &m_LightGrid, GL_DYNAMIC_COPY);
-    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, m_LightGridSSBO);
-    glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
-
-    GLERROR("m_LightGridSSBO");
-
-
-    glGenBuffers(1, &m_LightOffsetSSBO);
-    glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_LightOffsetSSBO);
-    glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(m_LightOffset), &m_LightOffset, GL_DYNAMIC_COPY);
-    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 3, m_LightOffsetSSBO);
-    glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
-
-    GLERROR("m_LightOffsetSSBO");
-
-
-    glGenBuffers(1, &m_LightIndexSSBO);
-    glBindBuffer(GL_SHADER_STORAGE_BUFFER, m_LightIndexSSBO);
-    glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(m_LightIndex), &m_LightIndex, GL_DYNAMIC_COPY);
-    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, m_LightIndexSSBO);
-    glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
-
-    GLERROR("m_LightIndexSSBO");
-
-}
-
 void Renderer::InitializeRenderPasses()
 {
     m_DrawScenePass = new DrawScenePass(this);
     m_PickingPass = new PickingPass(this, m_EventBroker);
 }
-
-void Renderer::CalculateFrustum()
-{
-    GLERROR("CalculateFrustum Error-1");
-    m_CalculateFrustumProgram->Bind();
-    
-    GLERROR("CalculateFrustum Error1");
-    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, m_FrustumSSBO);
-    GLERROR("CalculateFrustum Error2");
-    glUniformMatrix4fv(glGetUniformLocation(m_CalculateFrustumProgram->GetHandle(), "P"), 1, false, glm::value_ptr(m_Camera->ProjectionMatrix()));
-    GLERROR("CalculateFrustum Error3");
-    glUniform2f(glGetUniformLocation(m_CalculateFrustumProgram->GetHandle(), "ScreenDimensions"), m_Resolution.Width, m_Resolution.Height);
-    GLERROR("CalculateFrustum Error4");
-    glDispatchCompute(5, 3, 1);
-    GLERROR("CalculateFrustum Error5");
-
-}
-
-void Renderer::TEMPCreateLights()
-{
-    for (int i = 0; i < NUM_LIGHTS; i++) {
-        m_PointLights[i].Position = glm::vec4(i, 0.f, 0.f, 0.f);
-        m_PointLights[i].Color = glm::vec4(1.f, 0.5f, 0.f + i*0.1f, 1.f);
-    }
-}
-
-void Renderer::CullLights()
-{
-    m_LightCullProgram->Bind();
-    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, m_FrustumSSBO);
-    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, m_LightSSBO);
-    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, m_LightGridSSBO);
-    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 3, m_LightOffsetSSBO);
-    glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, m_LightIndexSSBO);
-    glDispatchCompute(m_Resolution.Width / TILE_SIZE, m_Resolution.Height / TILE_SIZE, 1);
-    GLERROR("CullLights Error");
-
-}
-

src/Game/CMakeLists.txt

@@ -19,6 +19,7 @@ file(GLOB SOURCE_FILES
 set(SOURCE_FILES
     ${SOURCE_FILES}
     "Game.cpp"
+    "HealthSystem.cpp"
 	"PlayerSystem.cpp"
 )
 

src/Game/Game.cpp

@@ -1,6 +1,8 @@
 #include "Game.h"
 #include "Collision/TriggerSystem.h"
 #include "Collision/CollisionSystem.h"
+#include "Game/HealthSystem.h"
+#include "Core/EntityFileWriter.h"
 
 Game::Game(int argc, char* argv[])
 {
@@ -8,8 +10,8 @@ Game::Game(int argc, char* argv[])
     ResourceManager::RegisterType<Model>("Model");
     ResourceManager::RegisterType<RawModel>("RawModel");
     ResourceManager::RegisterType<Texture>("Texture");
-    ResourceManager::RegisterType<EntityXMLFile>("EntityXMLFile");
     ResourceManager::RegisterType<ShaderProgram>("ShaderProgram");
+    ResourceManager::RegisterType<EntityFile>("EntityFile");
 
     m_Config = ResourceManager::Load<ConfigFile>("Config.ini");
     LOG_LEVEL = static_cast<_LOG_LEVEL>(m_Config->Get<int>("Debug.LogLevel", 1));
@@ -17,10 +19,9 @@ Game::Game(int argc, char* argv[])
     // Create the core event broker
     m_EventBroker = new EventBroker();
 
-    m_RenderQueueFactory = new RenderQueueFactory();
 
     // Create the renderer
-    m_Renderer = new Renderer(m_EventBroker);
+    m_Renderer = new Renderer(m_EventBroker, m_World);
     m_Renderer->SetFullscreen(m_Config->Get<bool>("Video.Fullscreen", false));
     m_Renderer->SetVSYNC(m_Config->Get<bool>("Video.VSYNC", false));
     m_Renderer->SetResolution(Rectangle::Rectangle(
@@ -28,9 +29,10 @@ Game::Game(int argc, char* argv[])
         0,
         m_Config->Get<int>("Video.Width", 1280),
         m_Config->Get<int>("Video.Height", 720)
-    ));
+        ));
     m_Renderer->Initialize();
-    m_Renderer->Camera()->SetFOV(glm::radians(m_Config->Get<float>("Video.FOV", 90.f)));
+    //m_Renderer->Camera()->SetFOV(glm::radians(m_Config->Get<float>("Video.FOV", 90.f)));
+    m_RenderFrame = new RenderFrame();
 
     // Create input manager
     m_InputManager = new InputManager(m_Renderer->Window(), m_EventBroker);
@@ -48,16 +50,30 @@ Game::Game(int argc, char* argv[])
     m_World = new World();
     std::string mapToLoad = m_Config->Get<std::string>("Debug.LoadMap", "");
     if (!mapToLoad.empty()) {
-        ResourceManager::Load<EntityXMLFile>(mapToLoad)->PopulateWorld(m_World);
+        auto file = ResourceManager::Load<EntityFile>(mapToLoad);
+        EntityFilePreprocessor fpp(file);
+        fpp.RegisterComponents(m_World);
+        EntityFileParser fp(file);
+        fp.MergeEntities(m_World);
     }
 
     // Create system pipeline
     m_SystemPipeline = new SystemPipeline(m_EventBroker);
-    m_SystemPipeline->AddSystem<RaptorCopterSystem>();
-    m_SystemPipeline->AddSystem<PlayerSystem>();
-    m_SystemPipeline->AddSystem<EditorSystem>(m_Renderer);
-    m_SystemPipeline->AddSystem<CollisionSystem>();
-    m_SystemPipeline->AddSystem<TriggerSystem>();
+    
+
+    //All systems with orderlevel 0 will be updated first.
+    unsigned int updateOrderLevel = 0;
+    m_SystemPipeline->AddSystem<RaptorCopterSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<PlayerSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<EditorSystem>(updateOrderLevel, m_Renderer);
+    m_SystemPipeline->AddSystem<HealthSystem>(updateOrderLevel);
+
+    //Collision and TriggerSystem should update after player.
+    ++updateOrderLevel;
+    m_SystemPipeline->AddSystem<CollisionSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<TriggerSystem>(updateOrderLevel);
+    ++updateOrderLevel;
+    m_SystemPipeline->AddSystem<RenderSystem>(updateOrderLevel, m_Renderer, m_RenderFrame);
 
     // Invoke network
     if (m_Config->Get<bool>("Networking.StartNetwork", false)) {
@@ -74,8 +90,8 @@ Game::~Game()
     delete m_FrameStack;
     delete m_InputProxy;
     delete m_InputManager;
+    delete m_RenderFrame;
     delete m_Renderer;
-    delete m_RenderQueueFactory;
     delete m_EventBroker;
 }
 
@@ -101,15 +117,13 @@ void Game::Tick()
     if (m_IsClientOrServer) {
         m_ClientOrServer->Update();
     }
-
     // Iterate through systems and update world!
     m_SystemPipeline->Update(m_World, dt);
     m_Renderer->Update(dt);
     m_EventBroker->Process<Client>();
 
-    m_RenderQueueFactory->Update(m_World);
     GLERROR("Game::Tick m_RenderQueueFactory->Update");
-    m_Renderer->Draw(m_RenderQueueFactory->RenderQueues());
+    m_Renderer->Draw(*m_RenderFrame);
     GLERROR("Game::Tick m_Renderer->Draw");
     m_EventBroker->Swap();
     m_EventBroker->Clear();
@@ -132,10 +146,5 @@ void Game::networkFunction()
         m_ClientOrServer = new Server();
     }
     m_ClientOrServer->Start(m_World, m_EventBroker);
-    // I don't think we are reaching this part of the code right now.
-    // ~Game() is not called if the game is exited by closing console windows
-    // When server or client is done set it to false.
-    //m_IsClientOrServer = false;
-    // Destroy it
-    //delete m_ClientOrServer;
+
 }

src/Game/HealthSystem.cpp

@@ -0,0 +1,59 @@
+#include "HealthSystem.h"
+#include <algorithm>
+
+HealthSystem::HealthSystem(EventBroker* eventBroker)
+    : PureSystem(eventBroker, "Health")
+{
+    //subscribe/listenTo playerdamage,healthpickup events (using the eventBroker)
+    EVENT_SUBSCRIBE_MEMBER(m_EPlayerDamage, &HealthSystem::OnPlayerDamaged);
+    EVENT_SUBSCRIBE_MEMBER(m_EPlayerHealthPickup, &HealthSystem::OnPlayerHealthPickup);
+}
+
+void HealthSystem::UpdateComponent(World *world, ComponentWrapper &health, double dt)
+{
+    //if entityID of health is 9 then the players ID is also 9 (player,health are connected to the same entity)
+    ComponentWrapper player = world->GetComponent(health.EntityID, "Player");
+    double maxHealth = (double)health["MaxHealth"];
+
+    //process the DeltaHealthVector and change the entitys health accordingly
+    for (size_t i = m_DeltaHealthVector.size(); i > 0; i--)
+    {
+        auto deltaHP = m_DeltaHealthVector[i - 1];
+        //if we have a healthchange for the current player and health is greater than 0, then apply it
+        if (std::get<0>(deltaHP) == player.EntityID && (double)health["Health"] > 0.0f) {
+            //get the deltaHP value from the tuple and make sure you dont get more than maxHealth
+            double newHealth = std::min((double)health["Health"] + (double)std::get<1>(deltaHP), maxHealth);
+            health["Health"] = newHealth;
+            m_DeltaHealthVector.erase(m_DeltaHealthVector.begin() + i - 1);
+            //check if health is <= 0
+            if ((double)health["Health"] <= 0.0f) {
+                //publish death event
+                Events::PlayerDeath e;
+                e.PlayerID = player.EntityID;
+                m_EventBroker->Publish(e);
+                //clear the remaining hpDeltas for the dead player
+                for (size_t j = m_DeltaHealthVector.size(); j > 0; j--)
+                {
+                    if (std::get<0>(m_DeltaHealthVector[j - 1]) == player.EntityID)
+                        m_DeltaHealthVector.erase(m_DeltaHealthVector.begin() + j - 1);
+                }
+                //break the loop if the player is dead
+                break;
+            }
+        }
+    }
+}
+
+bool HealthSystem::OnPlayerDamaged(const Events::PlayerDamage& e)
+{
+    //save the changed HP to a vector. it will be taken care of in UpdateComponent
+    m_DeltaHealthVector.push_back(std::make_tuple(e.PlayerDamagedID, -e.DamageAmount));
+    return true;
+}
+
+bool HealthSystem::OnPlayerHealthPickup(const Events::PlayerHealthPickup& e)
+{
+    //save the changed HP to a vector. it will be taken care of in UpdateComponent
+    m_DeltaHealthVector.push_back(std::make_tuple(e.PlayerHealedID, e.HealthAmount));
+    return true;
+}

src/Tests/ConfigFileTest.cpp

@@ -0,0 +1,66 @@
+#include <boost/test/unit_test.hpp>
+#include <boost/test/execution_monitor.hpp>
+using boost::unit_test_framework::test_suite;
+using boost::unit_test_framework::test_case;
+#include <stdlib.h>//srand
+
+//#define private public
+#include "Engine\Core\ConfigFile.h"
+
+#define _CRTDBG_MAP_ALLOC
+#include <crtdbg.h>
+#define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__)
+#define new DEBUG_CLIENTBLOCK
+
+BOOST_AUTO_TEST_SUITE(confTest)
+
+BOOST_AUTO_TEST_CASE(configFileTest)
+{
+    //note: this ConfigFileclass currently has memleaks!
+
+    ResourceManager::RegisterType<ConfigFile>("ConfigFile");
+    auto m_Config = ResourceManager::Load<ConfigFile>("ConfigTest.ini");
+
+    //bägge måste vara av samma typ, T typen är string
+    //http://www.boost.org/doc/libs/1_42_0/doc/html/boost_propertytree/tutorial.html
+    //"Note that we construct the path to the value by separating the individual keys with dots"
+
+    //get from tree tests
+    auto getSomething = m_Config->Get("Test.Test1", 0);
+    BOOST_CHECK(getSomething == 423);
+
+    auto getSomething2 = m_Config->Get("fsdfdsfd.T", std::string(""));
+    BOOST_CHECK(getSomething2 == "\"gfdjakflsdl!\"");
+
+    //set/get tests
+    m_Config->Set("Test.4321", 123);
+    auto getSomething3 = m_Config->Get("Test.4321", 0);
+    BOOST_CHECK(getSomething3 == 123);
+
+    m_Config->Set("3_2_1_0_5", "t454j54hj5k32");
+    auto getSomething4 = m_Config->Get("3_2_1_0_5", std::string(""));
+    BOOST_CHECK(getSomething4 == "t454j54hj5k32");
+
+    //***check so outputwindow says: EE: Failed to find "DefaultConfigTestNotExists.ini"! Relying on hardcoded default values!
+    auto m_Config2 = ResourceManager::Load<ConfigFile>("ConfigTestNotExists.ini");
+
+    //set value/savetodisk/load/checkvalue...
+    m_Config->SaveToDisk();
+    m_Config->Set("Test.4321", 145);
+    m_Config->SaveToDisk();
+    auto m_Config3 = ResourceManager::Load<ConfigFile>("ConfigTest.ini");
+    auto getSomething5 = m_Config->Get("Test.4321", 0);
+    BOOST_CHECK(getSomething5 == 145);
+    
+    //***check so outputwindow says: EE: Failed to parse "DefaultConfigTestFailed.ini"
+    //***check so outputwindow says: EE: Failed to parse "ConfigTestFailed.ini":
+    auto m_Config4 = ResourceManager::Load<ConfigFile>("ConfigTestFailed.ini");
+
+    //reload,onchildreload unimplemented
+
+    //NOTE:still massive amount of memoryleaks from this method
+    _CrtDumpMemoryLeaks();
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+

src/Tests/EventFixture.h

@@ -0,0 +1,54 @@
+#ifndef EVENTFIXTURE_H
+#define EVENTFIXTURE_H
+
+#include <boost/test/unit_test.hpp>
+#include "Core\EventBroker.h"
+
+template <typename EventType>
+struct EventFixture
+{
+    EventFixture()
+    {
+        this->ventBroker = new EventBroker();
+        m_EEventType = decltype(m_EEventType)(std::bind(&EventFixture::OnEvent, this, std::placeholders::_1));
+        this->ventBroker->Subscribe(m_EEventType);
+        Run();
+        Check();
+    }
+    ~EventFixture()
+    {
+        this->ventBroker->Unsubscribe(m_EEventType);
+        delete this->ventBroker;
+    }
+
+    EventBroker* ventBroker = nullptr;
+    EventRelay<EventFixture, EventType> m_EEventType;
+    bool m_EventRecieved = false;
+    EventType Before;
+    EventType After;
+
+    bool OnEvent(const EventType& event)
+    {
+        m_EventRecieved = true;
+        After = event;
+
+        return true;
+    }
+
+    void Run()
+    {
+        // Publish the event
+        this->ventBroker->Publish(Before);
+        // Clear to swap buffers
+        this->ventBroker->Swap();
+        // Process the event
+        this->ventBroker->template Process<EventFixture>();
+    }
+
+    void Check()
+    {
+        BOOST_CHECK(m_EventRecieved);
+    }
+};
+
+#endif

src/Tests/EventTest.cpp

@@ -0,0 +1,19 @@
+#include <boost/test/unit_test.hpp>
+#include "EventFixture.h"
+
+struct ETestEvent : public Event
+{
+    int Int = 5;
+    float Float = 1.33333f;
+    double Double = 1.33333;
+    std::string String = "Hello World";
+};
+
+BOOST_AUTO_TEST_CASE(EventBrokerTest)
+{
+    EventFixture<ETestEvent> f;
+    BOOST_CHECK(f.Before.Int == f.After.Int);
+    BOOST_CHECK_CLOSE(f.Before.Float, f.After.Float, 0.00001f);
+    BOOST_CHECK_CLOSE(f.Before.Double, f.After.Double, 0.00001f);
+    BOOST_CHECK(f.Before.String == f.After.String);
+}

src/Tests/HealthSystemTest.cpp

@@ -0,0 +1,114 @@
+#include <boost/test/unit_test.hpp>
+using boost::unit_test_framework::test_suite;
+using boost::unit_test_framework::test_case;
+
+#include "HealthSystemTest.h"
+#include "Game/HealthSystem.h"
+
+BOOST_AUTO_TEST_SUITE(HealthSystemSuite)
+
+BOOST_AUTO_TEST_CASE(HealthSystemTest)
+{
+    //this tests 2 healthevents and the healthsystem
+    GameHealthSystemTest game;
+    //100 loops will be more than enough to do the test
+    int loops = 100;
+    bool success = false;
+    while (loops > 0) {
+        game.Tick();
+        if (game.TestSucceeded) {
+            success = true;
+            break;
+        }
+        loops--;
+    }
+    //The system will process the events, hence it will take a while before we can read anything
+    BOOST_TEST(success);
+}
+BOOST_AUTO_TEST_SUITE_END()
+
+GameHealthSystemTest::GameHealthSystemTest()
+{
+    ResourceManager::RegisterType<ConfigFile>("ConfigFile");
+    ResourceManager::RegisterType<EntityXMLFile>("EntityXMLFile");
+
+    m_Config = ResourceManager::Load<ConfigFile>("Config.ini");
+    LOG_LEVEL = static_cast<_LOG_LEVEL>(m_Config->Get<int>("Debug.LogLevel", 1));
+
+    // Create the core event broker
+    m_EventBroker = new EventBroker();
+
+     // Create a world
+    m_World = new World();
+    std::string mapToLoad = m_Config->Get<std::string>("Debug.LoadMap", "");
+    if (!mapToLoad.empty()) {
+        ResourceManager::Load<EntityXMLFile>(mapToLoad)->PopulateWorld(m_World);
+    }
+
+    // Create system pipeline
+    m_SystemPipeline = new SystemPipeline(m_EventBroker);
+    m_SystemPipeline->AddSystem<PlayerSystem>(0);
+    m_SystemPipeline->AddSystem<HealthSystem>(0);
+
+    //The Test
+    //create entity which has transorm,player,model,health in it. i.e. is a player
+    EntityID playerID = m_World->CreateEntity();
+    ComponentWrapper transform = m_World->AttachComponent(playerID, "Transform");
+    ComponentWrapper model = m_World->AttachComponent(playerID, "Model");
+    model["Resource"] = "Models/Core/UnitSphere.obj";
+    ComponentWrapper player = m_World->AttachComponent(playerID, "Player");
+    ComponentWrapper health = m_World->AttachComponent(playerID, "Health");
+    healthsID = playerID;
+    double currentHealth = (double)m_World->GetComponent(healthsID, "Health")["Health"];
+
+    //heal player with 40
+    Events::PlayerHealthPickup e3;
+    e3.HealthAmount = 40.0f;
+    e3.PlayerHealedID = healthsID;
+    m_EventBroker->Publish(e3);
+    //damage player with 50
+    Events::PlayerDamage e;
+    e.DamageAmount = 50.0f;
+    e.PlayerDamagedID = healthsID;
+    m_EventBroker->Publish(e);
+    //heal some other player with 40
+    Events::PlayerHealthPickup e2;
+    e2.HealthAmount = 40.0f;
+    e2.PlayerHealedID = healthsID+1;
+    m_EventBroker->Publish(e2);
+
+    EntityID playerID2 = m_World->CreateEntity();
+    ComponentWrapper transform2 = m_World->AttachComponent(playerID2, "Transform");
+    ComponentWrapper model2 = m_World->AttachComponent(playerID2, "Model");
+    model2["Resource"] = "Models/Core/UnitSphere.obj";
+    ComponentWrapper player2 = m_World->AttachComponent(playerID2, "Player");
+    ComponentWrapper health2 = m_World->AttachComponent(playerID2, "Health");
+    //END TEST
+}
+
+GameHealthSystemTest::~GameHealthSystemTest()
+{
+    delete m_SystemPipeline;
+    delete m_World;
+    delete m_EventBroker;
+}
+
+void GameHealthSystemTest::Tick()
+{
+    glfwPollEvents();
+
+    double currentTime = glfwGetTime();
+    double dt = currentTime - m_LastTime;
+    m_LastTime = currentTime;
+
+    // Iterate through systems and update world!
+    m_SystemPipeline->Update(m_World, dt);
+
+    m_EventBroker->Swap();
+    m_EventBroker->Clear();
+
+    //if health reaches 90 then we know the test has succeeded (start with 100hp, remove 50hp, add 40hp)
+    double currentHealth = (double)m_World->GetComponent(healthsID, "Health")["Health"];
+    if (currentHealth==90)
+        TestSucceeded = true;
+}

src/Tests/HealthSystemTest.h

@@ -0,0 +1,40 @@
+#ifndef HealthTest_h__
+#define HealthTest_h__
+
+#include "Core/ResourceManager.h"
+#include "Core/ConfigFile.h"
+#include "Core/EventBroker.h"
+#include "Rendering/Renderer.h"
+#include "Core/InputManager.h"
+#include "GUI/Frame.h"
+#include "Core/World.h"
+#include "Rendering/RenderQueueFactory.h"
+#include "Input/InputProxy.h"
+#include "Input/KeyboardInputHandler.h"
+#include "Input/MouseInputHandler.h"
+#include "Core/EKeyDown.h"
+#include "Core/EntityXMLFile.h"
+#include "Core/SystemPipeline.h"
+#include "RaptorCopterSystem.h"
+#include "PlayerSystem.h"
+#include "Editor/EditorSystem.h"
+
+class GameHealthSystemTest
+{
+public:
+    GameHealthSystemTest();
+    ~GameHealthSystemTest();
+
+    void Tick();
+    bool TestSucceeded = false;
+
+private:
+    double m_LastTime;
+    ConfigFile* m_Config = nullptr;
+    EventBroker* m_EventBroker;
+    World* m_World;
+    SystemPipeline* m_SystemPipeline;
+    int healthsID;
+};
+
+#endif

src/Tests/InputManagerTest.cpp

@@ -0,0 +1,12 @@
+#include <boost/test/unit_test.hpp>
+
+#include "Engine\Core\InputManager.h"
+
+BOOST_AUTO_TEST_SUITE(inputManagerTests)
+
+BOOST_AUTO_TEST_CASE(inputManagerTest)
+{
+    //already tested eventbroker so inputManager is indirectly already tested
+}
+
+BOOST_AUTO_TEST_SUITE_END()

src/Tests/OctTreeTestAnders.cpp

@@ -34,16 +34,12 @@ BOOST_AUTO_TEST_CASE(octTreeTest)
     BOOST_CHECK(someAABB.MaxCorner() == maxCorner);
     BOOST_CHECK(someAABB.Center() == 0.5f * (minCorner + maxCorner));
 
-    //simple OctTree constructor check
-    //OctTree someOctTree(someAABB, 5);
-    //BOOST_CHECK(someOctTree.m_Children[0] != nullptr);
-
     //simple destructor check in the end, just look for memleaks, then it didnt clear the AABB structure
 }
 
 BOOST_AUTO_TEST_CASE(octTreeTest2)
 {
-    //octtree ritningen osv
+    //octtree draw etc
     Game game(0, nullptr);
     while (game.Running()) {
         game.Tick();

src/Tests/OctTreeTestGameClass.cpp

@@ -5,6 +5,8 @@ Game::Game(int argc, char* argv[]) : someOctTree(AABB(-0.5f*worldSize, 0.5f*worl
     ResourceManager::RegisterType<ConfigFile>("ConfigFile");
     ResourceManager::RegisterType<Model>("Model");
     ResourceManager::RegisterType<Texture>("Texture");
+    ResourceManager::RegisterType<EntityXMLFile>("EntityXMLFile");
+    ResourceManager::RegisterType<ShaderProgram>("ShaderProgram");
 
     m_Config = ResourceManager::Load<ConfigFile>("Config.ini");
     LOG_LEVEL = static_cast<_LOG_LEVEL>(m_Config->Get<int>("Debug.LogLevel", 1));
@@ -25,9 +27,14 @@ Game::Game(int argc, char* argv[]) : someOctTree(AABB(-0.5f*worldSize, 0.5f*worl
         m_Config->Get<int>("Video.Height", 720)
         ));
     m_Renderer->Initialize();
+    m_Renderer->Camera()->SetFOV(glm::radians(m_Config->Get<float>("Video.FOV", 90.f)));
 
     // Create input manager
     m_InputManager = new InputManager(m_Renderer->Window(), m_EventBroker);
+    m_InputProxy = new InputProxy(m_EventBroker);
+    m_InputProxy->AddHandler<KeyboardInputHandler>();
+    m_InputProxy->AddHandler<MouseInputHandler>();
+    m_InputProxy->LoadBindings("Input.ini");
 
     // Create the root level GUI frame
     m_FrameStack = new GUI::Frame(m_EventBroker);
@@ -37,6 +44,9 @@ Game::Game(int argc, char* argv[]) : someOctTree(AABB(-0.5f*worldSize, 0.5f*worl
     // Create a TEST WORLD
     m_World = new HardcodedTestWorld();
 
+    m_SystemPipeline = new SystemPipeline(m_EventBroker);
+    m_SystemPipeline->AddSystem<PlayerSystem>(0);
+
     m_LastTime = glfwGetTime();
 }
 
@@ -52,9 +62,14 @@ void Game::Tick()
     double dt = currentTime - m_LastTime;
     m_LastTime = currentTime;
 
+    // Handle input in a weird looking but responsive way
+    m_EventBroker->Process<InputManager>();
     m_EventBroker->Swap();
     m_InputManager->Update(dt);
-    m_Renderer->Update(dt);
+    m_EventBroker->Swap();
+    m_InputProxy->Update(dt);
+    m_EventBroker->Swap();
+    m_InputProxy->Process();
     m_EventBroker->Swap();
 
 #define TEST1
@@ -70,7 +85,7 @@ void Game::Tick()
     AABB boxi;
     boxi.CreateFromCenter(pos, maxPos - minPos);
     frameCounter++;
-    if (frameCounter > 50) {
+    if (frameCounter > 1) {
         m_World->someOctTree.ClearDynamicObjects();
         m_World->someOctTree.AddDynamicObject(boxi);
         frameCounter = 0;
@@ -149,8 +164,8 @@ void Game::Tick()
     if (someOctTree.BoxCollides(redBox, AABB())) {
         //this checks AABB vs AABB
         //if (Collision::AABBVsAABB(redBox, aabb)) {
-        m_Renderer->Camera()->SetPosition(m_PrevPos);
-        m_Renderer->Camera()->SetOrientation(m_PrevOri);
+        //m_Renderer->Camera()->SetPosition(m_PrevPos);
+        //m_Renderer->Camera()->SetOrientation(m_PrevOri);
         model["Color"] = greenCol;
     }
     else {
@@ -163,8 +178,14 @@ void Game::Tick()
     m_RenderQueueFactory->Update(m_World);
 #endif
 
-    m_Renderer->Draw(m_RenderQueueFactory->RenderQueues());
+    // Iterate through systems and update world!
+    m_SystemPipeline->Update(m_World, dt);
+    m_Renderer->Update(dt);
 
+    m_RenderQueueFactory->Update(m_World);
+    GLERROR("Game::Tick m_RenderQueueFactory->Update");
+    m_Renderer->Draw(m_RenderQueueFactory->RenderQueues());
+    GLERROR("Game::Tick m_Renderer->Draw");
     m_EventBroker->Swap();
     m_EventBroker->Clear();
 

src/Tests/OctTreeTestGameClass.h

@@ -9,11 +9,19 @@
 #include "GUI/Frame.h"
 #include "Core/World.h"
 #include "Rendering/RenderQueueFactory.h"
+#include "Input/InputProxy.h"
+#include "Input/KeyboardInputHandler.h"
+#include "Input/MouseInputHandler.h"
+#include "Core/EKeyDown.h"
+#include "Core/EntityXMLFile.h"
+#include "Core/SystemPipeline.h"
+#include "RaptorCopterSystem.h"
+#include "PlayerSystem.h"
+#include "Editor/EditorSystem.h"
 
 #include "OctTreeTestHardCodedTestWorld.h"
 #include "Collision/Collision.h"
 
-
 class Game
 {
 public:
@@ -32,6 +40,8 @@ private:
     GUI::Frame* m_FrameStack;
     HardcodedTestWorld* m_World;
     RenderQueueFactory* m_RenderQueueFactory;
+    InputProxy* m_InputProxy;
+    SystemPipeline* m_SystemPipeline;
 
     //Test1
     int frameCounter = 0;

src/Tests/ResourceManagerTest.cpp

@@ -0,0 +1,35 @@
+#include <boost/test/unit_test.hpp>
+#include "Core/World.h"
+
+//private->public hack doesnt work, tons of link errors
+//so there is currently no good way to test this class
+//#define private public
+#include "Core/ResourceManager.h"
+#include "Core/ConfigFile.h"
+#include "Rendering/Renderer.h"
+#include "Engine\Rendering\Texture.h"
+
+BOOST_AUTO_TEST_SUITE(resourceManagerTests)
+
+BOOST_AUTO_TEST_CASE(resourceManagerTest)
+{
+    World m_World;
+
+    //private static metoder/variabler
+
+    ResourceManager::RegisterType<ConfigFile>("ConfigFile");
+    BOOST_CHECK(!ResourceManager::IsResourceLoaded("ConfigFile", "Config.ini"));
+    auto m_Config = ResourceManager::Load<ConfigFile>("Config.ini");
+    BOOST_CHECK(ResourceManager::IsResourceLoaded("ConfigFile", "Config.ini"));
+    ResourceManager::Release("ConfigFile", "Config.ini");
+    BOOST_CHECK(!ResourceManager::IsResourceLoaded("ConfigFile", "Config.ini"));
+
+    //configfile without register
+    //check so output says "EE failed to load: type not registered..."
+    auto m_ScreenQuadNoRegister = ResourceManager::Load<Model>("Models/Core/ScreenQuad.obj");
+    BOOST_CHECK(!ResourceManager::IsResourceLoaded("Model", "Models/Core/ScreenQuad.obj"));
+
+    //there is no error feedback to check if you try to release the wrong resources - hence that cant be tested either
+}
+
+BOOST_AUTO_TEST_SUITE_END()