Merge branch 'master' into AsyncResourceLoad

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

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