Merge remote-tracking branch 'origin/master' into ShootEvent

# Conflicts:
#	include/Engine/Core/ComponentWrapper.h
#	include/Game/PlayerSystem.h
#	include/Game/Systems/HealthSystem.h
#	resources/Schema/Components.xsd
#	resources/Schema/Components/Player.xml
#	resources/Schema/Types/Entity.xsd
#	src/Game/PlayerSystem.cpp
#	src/Tests/HealthSystemTest.cpp
#	src/Tests/OctTreeTestAnders.cpp
#	src/Tests/OctTreeTestGameClass.cpp
#	src/Tests/OctTreeTestGameClass.h
#	src/Tests/OctTreeTestHardCodedTestWorld.h

include/Engine/Collision/CollidableOctreeSystem.h

@@ -0,0 +1,24 @@
+#ifndef CollidableOctreeSystem_h__
+#define CollidableOctreeSystem_h__
+
+#include "../Core/System.h"
+#include "../Core/Octree.h"
+#include "Collision.h"
+
+class CollidableOctreeSystem : public ImpureSystem, public PureSystem
+{
+public:
+    CollidableOctreeSystem(EventBroker* eventBroker, Octree* octree)
+        : System(eventBroker)
+        , PureSystem("Collidable")
+        , m_Octree(octree)
+    { }
+
+    virtual void Update(World* world, double dt) override;
+    virtual void UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt) override;
+
+private:
+    Octree* m_Octree;
+};
+
+#endif

include/Engine/Collision/Collision.h

@@ -6,11 +6,14 @@
 //or you will get "fatal error C1189: #error:  gl.h included before glew.h"
 
 #include <vector>
+#include <boost/optional.hpp>
 
-#include "Core/Ray.h"
-#include "Core/AABB.h"
-#include "Engine/Rendering/RawModel.h"
-#include "Core/Entity.h"
+#include "../Core/Ray.h"
+#include "../Core/AABB.h"
+#include "../Rendering/RawModel.h"
+#include "../Core/Transform.h"
+#include "../Core/Entity.h"
+#include "../Core/EntityWrapper.h"
 
 class World;
 struct ComponentWrapper;
@@ -43,6 +46,12 @@ bool RayVsModel(const Ray& ray,
     float& outUCoord,
     float& outVCoord);
 
+bool AABBvsTriangles(const AABB& box,
+    const std::vector<RawModel::Vertex>& modelVertices,
+    const std::vector<unsigned int>& modelIndices,
+    const glm::mat4& modelMatrix,
+    glm::vec3& outResolutionVector);
+
 //Return true if the boxes are intersecting.
 bool AABBVsAABB(const AABB& a, const AABB& b);
 //Return true if the boxes are intersecting.
@@ -50,9 +59,8 @@ bool AABBVsAABB(const AABB& a, const AABB& b);
 bool AABBVsAABB(const AABB& a, const AABB& b, glm::vec3& minimumTranslation);
 bool IsSameBoxProbably(const AABB& first, const AABB& second, const float epsilon = 0.0001f);
 
-//Returns true if the entity has a boundingbox. Outputs the aabb in [outBox].
-bool GetEntityBox(World* world, EntityID entity, AABB& outBox, bool forceBoxFromModel = false);
-bool GetEntityBox(World* world, ComponentWrapper& AABBComponent, AABB& outBox);
+// Calculates an absolute AABB from an entity AABB component
+boost::optional<AABB> EntityAbsoluteAABB(EntityWrapper& entity);
 
 }
 

include/Engine/Collision/CollisionSystem.h

@@ -4,26 +4,31 @@
 #include <GLFW/glfw3.h>
 #include <glm/common.hpp>
 
-#include "Common.h"
-#include "Core/System.h"
-#include "Core/EventBroker.h"
-#include "Core/EKeyUp.h"
+#include "../Common.h"
+#include "../Core/System.h"
+#include "../Core/EventBroker.h"
+#include "../Core/EKeyUp.h"
+#include "../Core/Octree.h"
 
 class CollisionSystem : public PureSystem
 {
 public:
-    CollisionSystem(EventBroker* eventBroker)
-        : PureSystem(eventBroker, "AABB")
+    CollisionSystem(EventBroker* eventBroker, Octree* octree)
+        : System(eventBroker)
+        , PureSystem("Collidable")
+        , m_Octree(octree)
         , zPress(false)
     {
         //TODO: Debug stuff, remove later.
         EVENT_SUBSCRIBE_MEMBER(m_EKeyUp, &CollisionSystem::OnKeyUp);
     }
 
-    virtual void UpdateComponent(World* world, ComponentWrapper& cAABB, double dt) override;
+    virtual void UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt) override;
 
 private:
+    Octree* m_Octree;
     bool zPress;
+
     EventRelay<CollisionSystem, Events::KeyUp> m_EKeyUp;
     bool OnKeyUp(const Events::KeyUp &event);
 };

include/Engine/Collision/TriggerSystem.h

@@ -4,8 +4,9 @@
 #include <glm/common.hpp>
 #include <unordered_set>
 
-#include "Core/System.h"
-#include "Core/EventBroker.h"
+#include "../Core/System.h"
+#include "../Core/EventBroker.h"
+#include "../Core/Octree.h"
 #include "ETrigger.h"
 
 class AABB;
@@ -13,16 +14,31 @@ class AABB;
 class TriggerSystem : public PureSystem
 {
 public:
-    TriggerSystem(EventBroker* eventBroker)
-        : PureSystem(eventBroker, "Trigger")
-    {}
+    TriggerSystem(EventBroker* eventBroker, Octree* octree)
+        : System(eventBroker)
+        , PureSystem("Trigger")
+        , m_Octree(octree)
+    {
+        EVENT_SUBSCRIBE_MEMBER(m_ETouch, &TriggerSystem::OnTouch);
+        EVENT_SUBSCRIBE_MEMBER(m_EEnter, &TriggerSystem::OnEnter);
+        EVENT_SUBSCRIBE_MEMBER(m_ELeave, &TriggerSystem::OnLeave);
+    }
 
-    virtual void UpdateComponent(World* world, ComponentWrapper& collision, double dt) override;
+    virtual void UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt) override;
 
 private:
+    Octree* m_Octree;
     std::unordered_map<EntityID, std::unordered_set<EntityID>> m_EntitiesTouchingTrigger;
     std::unordered_map<EntityID, std::unordered_set<EntityID>> m_EntitiesCompletelyInTrigger;
 
+    //TODO: Only exists for debug purposes, remove later.
+    EventRelay<TriggerSystem, Events::TriggerEnter> m_EEnter;
+    bool OnEnter(const Events::TriggerEnter &event);
+    EventRelay<TriggerSystem, Events::TriggerTouch> m_ETouch;
+    bool OnTouch(const Events::TriggerTouch &event);
+    EventRelay<TriggerSystem, Events::TriggerLeave> m_ELeave;
+    bool OnLeave(const Events::TriggerLeave &event);
+
     //True if leave event was thrown.
     bool throwLeaveIfWasInTrigger(std::unordered_set<EntityID>& triggerSet, EntityID pId, EntityID tId);
     template<typename Event>

include/Engine/Common.h

@@ -1,5 +1,6 @@
 #include <memory>
 #include <string>
+#include <sstream>
 #include <vector>
 #include <map>
 #include <unordered_map>

include/Engine/Core/AABB.h

@@ -11,18 +11,18 @@ public:
     AABB(const glm::vec3& minPos, const glm::vec3& maxPos);
     AABB(const glm::vec4& minPos, const glm::vec4& maxPos);
     //No checks are made. Size must consist of non-negative numbers.
-    virtual void CreateFromCenter(const glm::vec3& center, const glm::vec3& size);
+    static AABB FromOriginSize(const glm::vec3& origin, const glm::vec3& size);
     virtual ~AABB();
 
     const glm::vec3& MinCorner() const { return m_MinCorner; }
     const glm::vec3& MaxCorner() const { return m_MaxCorner; }
-    const glm::vec3& Center() const { return m_Center; }
+    const glm::vec3& Origin() const { return m_Origin; }
     const glm::vec3 Size() const { return 2.0f * m_HalfSize; }
     const glm::vec3& HalfSize() const { return m_HalfSize; }
 private:
     glm::vec3 m_MinCorner;
     glm::vec3 m_MaxCorner;
-    glm::vec3 m_Center;
+    glm::vec3 m_Origin;
     glm::vec3 m_HalfSize;
 };
 

include/Engine/Core/ComponentInfo.h

@@ -9,11 +9,13 @@ struct ComponentInfo
 	{
 		std::string Annotation;
 		unsigned int Allocation = 0;
-        unsigned int Stride = 0;
+        std::map<std::string, std::string> FieldAnnotations;
+        std::map<std::string, std::map<std::string, int>> FieldEnumDefinitions;
 	};
 
     struct Field_t
     {
+        std::string Name;
         std::string Type;
         unsigned int Offset;
         unsigned int Stride;
@@ -21,9 +23,10 @@ struct ComponentInfo
 
 	std::string Name;
     std::unordered_map<std::string, Field_t> Fields;
-    std::vector<const Field_t*> FieldsInOrder;
-	Meta_t Meta;
+    std::vector<std::string> FieldsInOrder;
+    unsigned int Stride = 0;
     std::shared_ptr<char> Defaults = nullptr;
+	std::shared_ptr<Meta_t> Meta = nullptr;
 };
 
 template<>

include/Engine/Core/ComponentPool.h

@@ -43,7 +43,7 @@ public:
 
     ComponentPool(const ::ComponentInfo& ci) 
         : m_ComponentInfo(ci)
-        , m_Pool(ci.Meta.Allocation, sizeof(EntityID) + ci.Meta.Stride)
+        , m_Pool(ci.Meta->Allocation, sizeof(EntityID) + ci.Stride)
     { }
 	ComponentPool(const ComponentPool& other) = delete;
 	ComponentPool(const ComponentPool&& other) = delete;
@@ -61,6 +61,7 @@ public:
 
 	iterator begin() const;
 	iterator end() const;
+    size_t size() const;
 
 	//Dumps information about what the pool memory looks like right now 
 	//into an output stream (e.g. file/std::cout, anything that has an operator<<)

include/Engine/Core/ComponentWrapper.h

@@ -18,22 +18,32 @@ struct ComponentWrapper
     const ::EntityID EntityID;
     char* Data;
 
-    template <typename T>
-    T& Property(std::string name)
+    int Enum(const char* fieldName, const char* enumKey)
     {
-        unsigned int offset = Info.Fields.at(name).Offset;
-        return *reinterpret_cast<T*>(&Data[offset]);
+        return Info.Meta->FieldEnumDefinitions.at(fieldName).at(enumKey);
     }
 
     template <typename T>
-    void SetProperty(std::string name, const T value) { Property<T>(name) = value; }
+    T& Field(std::string name)
+    {
+        const ComponentInfo::Field_t& field = Info.Fields.at(name);
+        if (sizeof(T) > field.Stride) {
+            std::stringstream message;
+            message << "Type size of \"" << typeid(T).name() << "\" doesn't match size of component field \"" << Info.Name << "." << name << "\"!";
+            throw new std::runtime_error(message.str().c_str());
+        } 
+        return *reinterpret_cast<T*>(&Data[field.Offset]);
+    }
+
+    template <typename T>
+    void SetField(std::string name, const T value) { Field<T>(name) = value; }
     //template <typename T>
-    //void SetProperty(std::string name, T& value) { Property<T>(name) = value; }
+    //void SetField(std::string name, T& value) { Field<T>(name) = value; }
 
     // Specialization for string literals
     template <std::size_t N>
-    void SetProperty(std::string name, const char(&value)[N]) { Property<std::string>(name) = std::string(value); }
-
+    void SetField(std::string name, const char(&value)[N]) { Field<std::string>(name) = std::string(value); }
+    
     struct SubscriptProxy
     {
         friend struct ComponentWrapper;
@@ -47,18 +57,21 @@ struct ComponentWrapper
         std::string m_PropertyName;
 
     public:
-        template <typename T>
-        operator T&() { return m_Component->Property<T>(m_PropertyName); }
+        // Return the integer value of an enum type key for this field
+        int Enum(const char* enumKey) { return m_Component->Enum(m_PropertyName.c_str(), enumKey); }
 
         template <typename T>
-        void operator=(const T val) { m_Component->SetProperty<T>(m_PropertyName, val); }
+        operator T&() { return m_Component->Field<T>(m_PropertyName); }
+
+        template <typename T>
+        void operator=(const T val) { m_Component->SetField<T>(m_PropertyName, val); }
         // TODO: Pass by reference and rvalue (universal reference?)
         //template <typename T>
-        //void operator=(T& val) { m_Component->SetProperty<T>(m_PropertyName, val); }
+        //void operator=(T& val) { m_Component->SetField<T>(m_PropertyName, val); }
 
         // Specialization for string literals
-        template<std::size_t N>
-        void operator=(const char(&val)[N]) { m_Component->SetProperty<N>(m_PropertyName, val); }
+        template <std::size_t N>
+        void operator=(const char(&val)[N]) { m_Component->SetField<N>(m_PropertyName, val); }
     };
     SubscriptProxy operator[](std::string propertyName) { return SubscriptProxy(this, propertyName); }
 };
@@ -71,7 +84,7 @@ public:
     ComponentWrapperFactory(std::string componentTypeName, std::size_t allocation = 0)
     {
         m_ComponentInfo.Name = componentTypeName;
-        m_ComponentInfo.Meta.Allocation = allocation;
+        m_ComponentInfo.Meta->Allocation = allocation;
     }
 
     template <typename T>
@@ -79,14 +92,14 @@ public:
     {
         m_DefaultValues.push_back(defaultValue);
         m_ComponentInfo.Fields[fieldName].Type = typeid(T).name();
-        m_ComponentInfo.Fields[fieldName].Offset = m_ComponentInfo.Meta.Stride;
+        m_ComponentInfo.Fields[fieldName].Offset = m_ComponentInfo.Stride;
         m_ComponentInfo.Fields[fieldName].Stride = sizeof(T);
-        m_ComponentInfo.Meta.Stride += sizeof(T);
+        m_ComponentInfo.Stride += sizeof(T);
     }
     
     ComponentInfo& Finalize()
     {
-        m_ComponentInfo.Defaults = std::shared_ptr<char>(new char[m_ComponentInfo.Meta.Stride]);
+        m_ComponentInfo.Defaults = std::shared_ptr<char>(new char[m_ComponentInfo.Stride]);
         std::size_t offset = 0;
         for (auto& val : m_DefaultValues) {
             memcpy(m_ComponentInfo.Defaults.get() + offset, val.Data.get(), val.Size);

include/Engine/Core/ECaptured.h

@@ -0,0 +1,20 @@
+#ifndef ECaptured_h__
+#define ECaptured_h__
+
+#include "EventBroker.h"
+#include "../Core/Entity.h"
+#include "Engine/GLM.h"
+
+namespace Events
+{
+
+    //triggers when a capturePoint has been taken over
+struct Captured : Event
+{
+    int TeamNumberThatCapturedCapturePoint;
+    EntityID CapturePointID;
+};
+
+}
+
+#endif

include/Engine/Core/EComponentAttached.h

@@ -0,0 +1,20 @@
+#ifndef EComponentAttached_h__
+#define EComponentAttached_h__
+
+#include "EventBroker.h"
+#include "World.h"
+#include "Entity.h"
+#include "ComponentWrapper.h"
+
+namespace Events
+{
+
+struct ComponentAttached : Event
+{
+    EntityWrapper Entity;
+    ComponentWrapper Component;
+};
+
+}
+
+#endif

include/Engine/Core/EWin.h

@@ -0,0 +1,20 @@
+#ifndef EWin_h__
+#define EWin_h__
+
+#include "EventBroker.h"
+#include "../Core/Entity.h"
+#include "Engine/GLM.h"
+
+namespace Events
+{
+
+    //triggers when a team has captured all capturePoints
+struct Win : Event
+{
+    //can be 0 = none, 1,2
+    int TeamThatWon;
+};
+
+}
+
+#endif

include/Engine/Core/Entity.h

@@ -4,4 +4,5 @@
 typedef unsigned int EntityID;
 const static unsigned int EntityID_Invalid = -1;
 
+
 #endif

include/Engine/Core/EntityFactory.h

@@ -285,7 +285,7 @@ private:
 
 					XSValue::Status status;
 					XSValue* val = XSValue::getActualValue(child->getNodeValue(), XSValue::dt_integer, status);
-					compInfo.Meta.Allocation += val->fData.fValue.f_int;
+					compInfo.Meta->Allocation += val->fData.fValue.f_int;
 				}
 
 				// Save documentation string
@@ -293,11 +293,11 @@ private:
 				if (documentationTags->getLength() != 0) {
 					auto child = documentationTags->item(0)->getFirstChild();
 					if (child != nullptr) {
-						compInfo.Meta.Annotation = XSTR(child->getNodeValue());
+						compInfo.Meta->Annotation = XSTR(child->getNodeValue());
 					}
 				}
 				// TODO: Parse annotation string XML
-				// compInfo.Meta.Allocation = ...
+				// compInfo.Meta->Allocation = ...
 			} else {
 				std::cout << "Warning: Component is missing an annotation!" << std::endl;
 			}
@@ -344,7 +344,7 @@ private:
 				fieldOffset += getTypeStride(type);
 			}
 
-            compInfo.Meta.Stride = fieldOffset;
+            compInfo.Stride = fieldOffset;
 			m_ComponentInfo[compInfo.Name] = compInfo;
 		}
 	}
@@ -367,14 +367,14 @@ private:
 
 			std::string componentName = XSTR(component->getLocalName());
 			auto& compInfo = m_ComponentInfo.at(componentName);
-			compInfo.Meta.Allocation += 1;
+			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 << "Component: " << ci.Name << " (" << ci.Meta->Annotation << ")" << std::endl;
+			std::cout << "  Allocation: " << ci.Meta->Allocation << std::endl;
 			std::cout << "  Fields:" << std::endl;
 
 			// Calculate component size
@@ -393,7 +393,7 @@ private:
 			cs.ComponentName = ci.Name;
 			cs.Stride = stride;
 			cs.Info = ci;
-			cs.Data = new char[stride*ci.Meta.Allocation];
+			cs.Data = new char[stride*ci.Meta->Allocation];
 			m_ComponentStore[cs.ComponentName] = cs;
 		}
 	}

include/Engine/Core/EntityFile.h

@@ -73,88 +73,15 @@ public:
         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);
-    }
+    EntityFileSAXHandler(const EntityFileHandler* handler, xercesc::SAX2XMLReader* reader);
 
-    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);
+    void startElement(const XMLCh* const _uri, const XMLCh* const _localName, const XMLCh* const _qname, const xercesc::Attributes& attrs) override;
+    void characters(const XMLCh* const chars, const XMLSize_t length) override;
+    void endElement(const XMLCh* const _uri, const XMLCh* const _localName, const XMLCh* const _qname) override;
 
-        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;
-    }
+    void warning(const xercesc::SAXParseException& e);
+    void error(const xercesc::SAXParseException& e);
+    void fatalError(const xercesc::SAXParseException& e);
 
 private:
     const EntityFileHandler* m_Handler;
@@ -168,73 +95,14 @@ private:
     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);
-    }
+    void onStartEntity(const xercesc::Attributes& attrs); 
+    void onEndEntity();
+    void onStartEntityRef(const xercesc::Attributes& attrs);
+    void onStartComponent(const std::string& name);
+    void onEndComponent(const std::string& name);
+    void onStartComponentField(const std::string& field, const xercesc::Attributes& attrs);
+    void onEndComponentField(const std::string& field);
+    void onFieldData(char* data);
 };
 
 class EntityFileXMLErrorHandler : public xercesc::ErrorHandler
@@ -269,6 +137,7 @@ private:
 class EntityFile : public Resource
 {
     friend class ResourceManager;
+    friend class EntityFileSAXHandler;
 private:
     EntityFile(boost::filesystem::path path);
     ~EntityFile();
@@ -288,6 +157,8 @@ private:
     xercesc::SAX2XMLReader* m_SAX2XMLReader;
 	//std::map<std::string, ::ComponentInfo> m_ComponentInfo;
     //std::vector<std::string> m_EntityReferences;
+
+    static void setReaderFeatures(xercesc::SAX2XMLReader* reader);
 };
 
 #endif

include/Engine/Core/EntityFileParser.h

@@ -9,12 +9,13 @@ class EntityFileParser
 public:
     EntityFileParser(const EntityFile* entityFile);
 
-    void MergeEntities(World* world);
+    EntityID MergeEntities(World* world, EntityID baseParent = EntityID_Invalid);
 
 private:
     const EntityFile* m_EntityFile;
     EntityFileHandler m_Handler;
     World* m_World = nullptr;
+    EntityID m_FirstEntity = EntityID_Invalid;
     // 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;

include/Engine/Core/EntityFilePreprocessor.h

@@ -5,6 +5,7 @@
 #include <xercesc/framework/psvi/XSComplexTypeDefinition.hpp>
 #include <xercesc/framework/psvi/XSParticle.hpp>
 #include <xercesc/framework/psvi/XSModelGroup.hpp>
+#include <xercesc/framework/psvi/XSModelGroupDefinition.hpp>
 #include <xercesc/framework/psvi/XSAnnotation.hpp>
 #include <xercesc/framework/psvi/XSValue.hpp>
 #include <xercesc/framework/MemBufFormatTarget.hpp>
@@ -31,6 +32,7 @@ private:
 	void onStartComponent(EntityID entity, std::string type);
     void parseComponentInfo();
     void parseDefaults();
+    std::string parseAnnotationXML(const XMLCh* xml);
 };
 
 #endif

include/Engine/Core/EntityWrapper.h

@@ -0,0 +1,32 @@
+#ifndef EntityWrapper_h__
+#define EntityWrapper_h__
+
+#include <boost/optional.hpp>
+#include "ComponentWrapper.h"
+
+class World;
+struct EntityWrapper
+{
+    EntityWrapper()
+        : World(nullptr)
+        , ID(EntityID_Invalid)
+    { }
+
+    EntityWrapper(::World* world, EntityID id)
+        : World(world)
+        , ID(id)
+    { }
+
+    ::World* World;
+    EntityID ID;
+
+    static const EntityWrapper Invalid;
+
+    bool HasComponent(const std::string& componentName);
+
+    ComponentWrapper operator[](const std::string& componentName);
+    bool operator==(const EntityWrapper& e);
+    explicit operator EntityID();
+};
+
+#endif

include/Engine/Core/EventBroker.h

@@ -43,7 +43,7 @@ template <typename ContextType, typename EventType>
 class EventRelay : public BaseEventRelay
 {
 public:
-    typedef std::function<bool(const EventType&)> CallbackType;
+    typedef std::function<bool(EventType&)> CallbackType;
 
     EventRelay()
         : m_Callback(nullptr)
@@ -65,7 +65,7 @@ template <typename ContextType, typename EventType>
 bool EventRelay<ContextType, EventType>::Receive(const std::shared_ptr<Event> event)
 {
     if (m_Callback != nullptr) {
-        return m_Callback(*static_cast<const EventType*>(event.get()));
+        return m_Callback(*static_cast<EventType*>(event.get()));
     } else {
         return false;
     }

include/Engine/Core/MemoryPool.h

@@ -5,6 +5,14 @@
 template <typename T>
 class MemoryPoolForwardIterator;
 
+namespace DisableMemoryPool
+{
+//if true -> Pool allocation is not used when calling Allocate/Free, just use regular dynamic allocation. 
+//if false -> Use pool allocation.
+//Should default to false, unless the DisableMemoryPool is true in the Config.ini files.
+extern bool Value;
+}
+
 //This is the class to use if you want to allocate blocks (slots) of raw memory, with a fixed maximum size (stride).
 //Additionally, if you know that every memory-block will contain one object of a specific type, (i.e. the stride for the slot 
 //will the size of the object type) you should use ObjectPool<T> instead, your life will become easier.
@@ -80,8 +88,8 @@ public:
 	//If element cannot be allocated in the pool, because the memory ran out, memory is allocated dynamically with malloc() "outside the pool".
 	char* Allocate()
 	{
-		for (; m_CurrentAllocSlot < m_NumSlots && m_SlotIsAllocated[m_CurrentAllocSlot]; ++m_CurrentAllocSlot);
-		if (m_CurrentAllocSlot < m_NumSlots) {
+		for (; m_CurrentAllocSlot < m_NumSlots && m_SlotIsAllocated[m_CurrentAllocSlot] && !DisableMemoryPool::Value; ++m_CurrentAllocSlot);
+		if (m_CurrentAllocSlot < m_NumSlots && !DisableMemoryPool::Value) {
 			if (m_LowestAllocatedSlot > m_CurrentAllocSlot)
 				m_LowestAllocatedSlot = m_CurrentAllocSlot;
 			//Mark the slot as allocated.
@@ -93,7 +101,9 @@ public:
 		else {
 			m_ExtraMemory.push_back((char*)malloc(m_Stride));
 			//We should preferably not enter here to avoid performance issues. Set more numMaxElements in constructor instead.
-			LOG_WARNING("Allocated slots exceed Pool size, extra memory allocated dynamically. Pool size: %u, dynamic size: %u.", m_NumSlots, m_ExtraMemory.size());
+            if (!DisableMemoryPool::Value) {
+			    LOG_WARNING("Allocated slots exceed Pool size, extra memory allocated dynamically. Pool size: %u, dynamic size: %u.", m_NumSlots, m_ExtraMemory.size());
+            }
 			return m_ExtraMemory.back();
 		}
 	}
@@ -108,7 +118,7 @@ public:
 		//(i.e. IsAllocatedInPool may give false positives)
 		//if it was malloc():ed 
 		//so, we may enter here even if we shouldn't.
-		if (IsAllocatedInPool(obj)) {
+		if (!DisableMemoryPool::Value && IsAllocatedInPool(obj)) {
 			--m_NumAllocatedSlots;
 			const size_t freeSlot = (obj - m_StartAddress) / m_Stride;
 			m_SlotIsAllocated[freeSlot] = false;

include/Engine/Core/Octree.h

@@ -1,11 +1,12 @@
-#ifndef OctTree_h__
-#define OctTree_h__
+#ifndef Octree_h__
+#define Octree_h__
 
-#include "Core/AABB.h"
+#include "../Common.h"
+#include "AABB.h"
 
 class Ray;
 
-class OctTree
+class Octree
 {
 public:
     struct Output
@@ -13,16 +14,16 @@ public:
         float CollideDistance;
     };
 
-    OctTree();
-    ~OctTree();
-    //For the root OctTree, [octTreeBounds] should be a box containing the entire level.
-    OctTree(const AABB& octTreeBounds, int subDivisions);
+    Octree() = delete;
+    ~Octree();
+    //For the root Octree, [octreeBounds] should be a box containing the entire level.
+    Octree(const AABB& octreeBounds, int subDivisions);
 
-    //We cannot copy the OctTree as of now, because of the recursive dynamic allocation.
-    //Define these if the OctTree suddenly needs to be copied, think of the children OctChild* ptrs. 
-    OctTree(const OctTree& other) = delete;
-    OctTree(const OctTree&& other) = delete;
-    OctTree& operator= (const OctTree& other) = delete;
+    //We cannot copy the Octree as of now, because of the recursive dynamic allocation.
+    //Define these if the Octree suddenly needs to be copied, think of the children Child* ptrs. 
+    Octree(const Octree& other) = delete;
+    Octree(const Octree&& other) = delete;
+    Octree& operator= (const Octree& other) = delete;
     //Add a dynamic object (one that moves around) into the tree.
     void AddDynamicObject(const AABB& box);
     //Add a static object (that does not move) into the tree.
@@ -42,7 +43,7 @@ public:
     bool BoxCollides(const AABB& boxToTest, AABB& outBoxIntersected);
 
 private:
-    struct OctChild;    //Fwd declaration;
+    struct Child;    //Fwd declaration;
     struct ContainedObject
     {
         ContainedObject()
@@ -56,7 +57,7 @@ private:
         AABB Box;
         bool Checked;
     };
-    OctChild* m_Root;
+    Child* m_Root;
     std::vector<ContainedObject> m_StaticObjects;
     std::vector<ContainedObject> m_DynamicObjects;
 
@@ -67,16 +68,16 @@ private:
 
     void falsifyObjectChecks();
 
-    struct OctChild
+    struct Child
     {
-        ~OctChild();
-        OctChild(const AABB& octTreeBounds, 
+        ~Child();
+        Child(const AABB& octTreeBounds, 
             int subDivisions, 
-            std::vector<OctTree::ContainedObject>& staticObjects, 
-            std::vector<OctTree::ContainedObject>& dynamicObjects);
-        OctChild(const OctChild& other) = delete;
-        OctChild(const OctChild&& other) = delete;
-        OctChild& operator= (const OctChild& other) = delete;
+            std::vector<Octree::ContainedObject>& staticObjects, 
+            std::vector<Octree::ContainedObject>& dynamicObjects);
+        Child(const Child& other) = delete;
+        Child(const Child&& other) = delete;
+        Child& operator= (const Child& other) = delete;
         void AddDynamicObject(const AABB& box);
         void AddStaticObject(const AABB& box);
         void BoxesInSameRegion(const AABB& box, std::vector<AABB>& outBoxes) const;
@@ -85,14 +86,14 @@ private:
         bool RayCollides(const Ray& ray, Output& data) const;
         bool BoxCollides(const AABB& boxToTest, AABB& outBoxIntersected) const;
 
-        OctChild* m_Children[8];
-        //Indices into the lists in OctTree.
+        Child* m_Children[8];
+        //Indices into the lists in Octree.
         std::vector<int> m_StaticObjIndices;
         std::vector<int> m_DynamicObjIndices;
         AABB m_Box;
-        //Reference to the lists in OctTree.
-        std::vector<OctTree::ContainedObject>& m_StaticObjectsRef;
-        std::vector<OctTree::ContainedObject>& m_DynamicObjectsRef;
+        //Reference to the lists in Octree.
+        std::vector<Octree::ContainedObject>& m_StaticObjectsRef;
+        std::vector<Octree::ContainedObject>& m_DynamicObjectsRef;
 
         inline bool hasChildren() const;
         int childIndexContainingPoint(const glm::vec3& point) const;

include/Engine/Core/Ray.h

@@ -2,7 +2,7 @@
 #define Ray_h__
 
 #include "../GLM.h"
-#include "Common.h"
+#include "../Common.h"
 
 class Ray
 {

include/Engine/Core/ResourceManager.h

@@ -12,7 +12,6 @@
 /** Base Resource class.
 
 	Implement this class for every resource to be handled by the resource manager.
-	Implement Create() to return a new object of that type.
 */
 class Resource
 {
@@ -22,6 +21,23 @@ protected:
 	Resource() { }
 
 public:
+    //Should be thrown in a Resource's constructor if it cannot complete because another resource is still loading.
+    //Not actually an error, just a message to the ResourceManager.
+    struct StillLoadingException : public std::exception
+    {
+        virtual const char* what() const throw()
+        {
+            return "Resource is still loading.";
+        }
+    };
+    struct FailedLoadingException : public std::exception
+    {
+        virtual const char* what() const throw()
+        {
+            return "Resource is failed to load.";
+        }
+    };
+
 	// Pretend that this is a pure virtual function that you have to implement
 	// FIXME: Why did we do this again instead of just using the constructor?
 	// static Resource* Create(std::string resourceName);
@@ -33,6 +49,15 @@ public:
 	unsigned int ResourceID;
 };
 
+//Any class inheriting from this class will always be loaded on the master thread, not on a parallel worker thread.
+//This is important in case some instructions must be executed on the main thread, e.g. OpenGL commands, like glBindBuffer.
+//This resource can still be loaded asyncronously, but it will not be loaded in a thread, instead it's constructor will 
+//be called once on every ResourceManager::Load, just throw StillLoadingException in the constructor if it is not done yet.
+class ThreadUnsafeResource : public Resource
+{
+    friend class ResourceManager;
+};
+
 /** Singleton resource manager to keep track of and cache any external engine assets */
 class ResourceManager
 {
@@ -40,6 +65,7 @@ private:
 	ResourceManager();
 
 public:
+    static bool UseThreading;
 	/*static ResourceManager& Instance()
 	{
 	static ResourceManager s;
@@ -49,15 +75,6 @@ public:
 	template <typename T>
 	static void RegisterType(std::string typeName);
 
-	/** Preloads a resource and caches it for future use
-
-		@tparam T Resource type.
-		@param resourceName Fully qualified name of the resource to preload.
-	*/
-	template <typename T>
-	static void Preload(std::string resourceName);
-	static void Preload(std::string resourceType, std::string resourceName);
-
 	/** Checks if a resource is in cache
 
 		@param resourceType Resource type as string.
@@ -65,15 +82,20 @@ public:
 	*/
 	// TODO: Templateify
 	static bool IsResourceLoaded(std::string resourceType, std::string resourceName);
+    
+	/** Return value should always be a valid pointer, will throw an exception on error.
+        If the resource has been loaded already, returns a pointer to it.
 
-	/** Hot-loads a resource and caches it for future use
+        If Async is false: Hot-loads a resource, caches it for future use, and returns a pointer to it. 
+        If Async is true: If the resource is not loaded yet, starts loading the resource 
+        in the background and throws Resource::StillLoadingException immediately.
 
 		@tparam T Resource type.
+		@tparam async Set this to true if the resource should be loaded asyncronously.
 		@param resourceName Fully qualified name of the resource to load.
 	*/
-	template <typename T>
-	static T* Load(std::string resourceName, Resource* parent = nullptr);
-	static Resource* Load(std::string resourceType, std::string resourceName, Resource* parent = nullptr);
+    template <typename T, bool async = false>
+    static T* Load(const std::string& resourceName, Resource* parent = nullptr);
 
 	/** Reloads an already loaded resource, keeping its resource ID intact.
 
@@ -87,19 +109,31 @@ public:
 	static void Update();
 
 private:
+    //This is a haxy way to make sure that IsMainThread is run when the program starts, so the master thread id is set.
+    struct MasterThreadChecker
+    {
+        MasterThreadChecker()
+        {
+            ResourceManager::IsMainThread();
+        }
+    };
+    const static MasterThreadChecker m_Checker;
+
 	static std::unordered_map<std::string, std::string> m_CompilerTypenameToResourceType;
     static std::unordered_map<std::string, std::function<Resource*(std::string)>> m_FactoryFunctions; // type -> factory function
 	static std::unordered_map<std::pair<std::string, std::string>, Resource*> m_ResourceCache; // (type, name) -> resource
 	static std::unordered_map<std::string, Resource*> m_ResourceFromName; // name -> resource
 	static std::unordered_map<Resource*, Resource*> m_ResourceParents; // resource -> parent resource
 
+	static std::unordered_map<std::pair<std::string, std::string>, boost::thread> m_LoadingThreads; // (type, name) -> loading thread
+	static std::unordered_map<std::pair<std::string, std::string>, std::exception_ptr> m_LoadingThreadExceptions; // (type, name) -> exceptions
+    static boost::recursive_mutex m_Mutex;
+
 	// TODO: Getters for IDs
 	static unsigned int m_CurrentResourceTypeID;
 	static std::unordered_map<std::string, unsigned int> m_ResourceTypeIDs;
 	// Number of resources of a type. Doubles as local ID.
 	static std::unordered_map<unsigned int, unsigned int> m_ResourceCount;
-	// Flag to suppress hot-load warnings when a preloading resource chain loads another resource
-	static bool m_Preloading;
 
 	static FileWatcher m_FileWatcher;
 	static void fileWatcherCallback(std::string path, FileWatcher::FileEventFlags flags);
@@ -108,22 +142,13 @@ private:
 	static unsigned int GetNewResourceID(unsigned int typeID);
 
 	// Internal: Create a resource and cache it
-	static Resource* CreateResource(std::string resourceType, std::string resourceName, Resource* parent);
+    static Resource* createResourceThrowing(const std::string& resourceType, const std::string& resourceName, Resource* parent);
+	static Resource* createResource(const std::string& resourceType, const std::string& resourceName, Resource* parent, std::exception_ptr& exception);
+    static Resource* cacheResource(Resource* resource, const std::string& resourceType, const std::string& resourceName, Resource* parent);
+
+    static bool IsMainThread();
 };
 
-template <typename T>
-T* ResourceManager::Load(std::string resourceName, Resource* parent /* = nullptr */)
-{
-	auto resourceTypename = typeid(T).name();
-	auto it = m_CompilerTypenameToResourceType.find(resourceTypename);
-	if (it == m_CompilerTypenameToResourceType.end()) {
-		LOG_ERROR("Failed to load resource \"%s\" of type \"%s\": type not registered", resourceName.c_str(), resourceTypename);
-		return nullptr;
-	}
-
-	return static_cast<T*>(Load(it->second, resourceName, parent));
-}
-
 template <typename T>
 void ResourceManager::RegisterType(std::string typeName)
 {
@@ -131,17 +156,85 @@ void ResourceManager::RegisterType(std::string typeName)
 	m_FactoryFunctions[typeName] = [](std::string resourceName) { return new T(resourceName); };
 }
 
-template <typename T>
-void ResourceManager::Preload(std::string resourceName)
+template <typename T, bool async>
+static T* ResourceManager::Load(const std::string& resourceName, Resource* parent /* = nullptr */)
 {
-	auto resourceTypename = typeid(T).name();
-	auto it = m_CompilerTypenameToResourceType.find(resourceTypename);
-	if (it == m_CompilerTypenameToResourceType.end()) {
-		LOG_ERROR("Failed to load resource \"%s\" of type \"%s\": type not registered", resourceName.c_str(), resourceTypename);
-		return;
-	}
+    auto resourceTypename = typeid(T).name();
+    auto iter = m_CompilerTypenameToResourceType.find(resourceTypename);
+    if (iter == m_CompilerTypenameToResourceType.end()) {
+        LOG_ERROR("Failed to load resource \"%s\" of type \"%s\": type not registered", resourceName.c_str(), resourceTypename);
+        throw Resource::FailedLoadingException();
+    }
 
-	Preload(it->second, resourceName);
+    std::string resourceType = iter->second;
+    constexpr bool mustNotLoadInThread = std::is_base_of<ThreadUnsafeResource, T>::value;
+    if (mustNotLoadInThread && !IsMainThread()) {
+        LOG_ERROR("Failed to Load \"%s\": ThreadUnsafeResource type \"%s\" load in the constructor of another resource that is loaded asyncronously.", resourceName.c_str(), iter->second.c_str());
+        throw Resource::FailedLoadingException();
+    }
+
+    auto cacheKey = std::make_pair(resourceType, resourceName);
+    decltype(m_ResourceCache)::iterator it;
+    //If a thread has already been launched to load this resource.
+    auto tIt = m_LoadingThreads.find(cacheKey);
+    if (UseThreading && tIt != m_LoadingThreads.end()) {
+        if (async) {
+            //Throw StillLoadingException if the thread is still working.
+            if (!tIt->second.try_join_for(boost::chrono::nanoseconds(1))) {
+                throw Resource::StillLoadingException();
+            }
+            //Else we know the thread has completed.
+        } else {
+            //Wait for the thread to finish loading.
+            tIt->second.join();
+        }
+        //When the thread is done, delete the thread.
+        m_LoadingThreads.erase(tIt);
+        //Rethrow the thread exception if it threw any.
+        auto excIt = m_LoadingThreadExceptions.find(cacheKey);
+        std::exception_ptr exception = excIt->second;
+        m_LoadingThreadExceptions.erase(excIt);
+        if (exception) {
+            std::rethrow_exception(exception);
+        }
+    }
+
+    //If resource has already been cached and completely loaded.
+    it = m_ResourceCache.find(cacheKey);
+    if (it != m_ResourceCache.end()) {
+        if (it->second != nullptr) {
+            return static_cast<T*>(it->second);
+        } else {
+            //Don't return null on failure, exception instead.
+            throw Resource::FailedLoadingException();
+        }
+    }
+
+    //If resource is not cached..
+    if (UseThreading && async) {
+        if (mustNotLoadInThread) {
+            try {
+                return static_cast<T*>(createResourceThrowing(resourceType, resourceName, parent));
+            } catch (const Resource::StillLoadingException&) {
+                throw;
+            }
+        } else {
+            //Create a thread that loads the resource into cache.
+            m_LoadingThreads[cacheKey] = boost::thread(createResource, resourceType, resourceName, parent, m_LoadingThreadExceptions[cacheKey]);
+            throw Resource::StillLoadingException();
+        }
+    } else {
+        //load and return the resource.
+        while (true) {
+            try {
+                return static_cast<T*>(createResourceThrowing(resourceType, resourceName, parent));
+            } catch (const Resource::StillLoadingException&) {
+                continue;
+            } catch (const std::exception&) {
+                throw;
+            }
+        }
+    }
 }
 
 #endif

include/Engine/Core/System.h

@@ -3,6 +3,7 @@
 
 #include "EventBroker.h"
 #include "World.h"
+#include "EntityWrapper.h"
 #include "ComponentWrapper.h"
 
 class System
@@ -10,6 +11,9 @@ class System
     friend class SystemPipeline;
 
 protected:
+    System()
+        : m_EventBroker(nullptr)
+    { }
     System(EventBroker* eventBroker)
         : m_EventBroker(eventBroker)
     { }
@@ -18,30 +22,27 @@ protected:
     EventBroker* m_EventBroker;
 };
 
-class PureSystem : public System
+class PureSystem : public virtual System
 {
     friend class SystemPipeline;
 
 protected:
-    PureSystem(EventBroker* eventBroker, std::string componentType)
-        : System(eventBroker)
-        , m_ComponentType(componentType)
+    PureSystem(std::string componentType)
+        : m_ComponentType(componentType)
     { }
     virtual ~PureSystem() = default;
 
     const std::string m_ComponentType;
 
-    virtual void UpdateComponent(World* world, ComponentWrapper& component, double dt) = 0;
+    virtual void UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt) = 0;
 };
 
-class ImpureSystem : public System
+class ImpureSystem : public virtual System
 {
     friend class SystemPipeline;
 
 protected:
-    ImpureSystem(EventBroker* eventBroker)
-        : System(eventBroker)
-    { }
+    ImpureSystem() = default;
     virtual ~ImpureSystem() = default;
 
     virtual void Update(World* world, double dt) = 0;

include/Engine/Core/SystemPipeline.h

@@ -32,8 +32,8 @@ public:
         System* system = new T(m_EventBroker, args...);
         group.Systems[typeid(T).name()] = system;
 
-        if (std::is_base_of<PureSystem, T>::value) {
-            PureSystem* pureSystem = static_cast<PureSystem*>(system);
+        PureSystem* pureSystem = dynamic_cast<PureSystem*>(system);
+        if (pureSystem != nullptr) {
             if (!pureSystem->m_ComponentType.empty()) {
                 group.PureSystems[pureSystem->m_ComponentType].push_back(pureSystem);
             } else {
@@ -41,8 +41,8 @@ public:
             }
         }
 
-        if (std::is_base_of<ImpureSystem, T>::value) {
-            ImpureSystem* impureSystem = static_cast<ImpureSystem*>(system);
+        ImpureSystem* impureSystem = dynamic_cast<ImpureSystem*>(system);
+        if (impureSystem != nullptr) {
             group.ImpureSystems.push_back(impureSystem);
         }
     }
@@ -56,6 +56,9 @@ public:
             }
 
             // Update
+            for (auto& system : group.ImpureSystems) {
+                system->Update(world, dt);
+            }
             for (auto& pair : group.PureSystems) {
                 const std::string& componentName = pair.first;
                 auto& systems = pair.second;
@@ -65,13 +68,10 @@ public:
                 }
                 for (auto& component : *pool) {
                     for (auto& system : systems) {
-                        system->UpdateComponent(world, component, dt);
+                        system->UpdateComponent(world, EntityWrapper(world, component.EntityID), component, dt);
                     }
                 }
             }
-            for (auto& system : group.ImpureSystems) {
-                system->Update(world, dt);
-            }
         }
     }
 

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/World.h

@@ -21,19 +21,21 @@ public:
     // 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);
+    ComponentWrapper AttachComponent(EntityID entity, const std::string& componentType);
     // Check if an entity has a component
-    bool HasComponent(EntityID entity, std::string componentType) const;
+    bool HasComponent(EntityID entity, const std::string& componentType) const;
     // Get a component of an entity
-    ComponentWrapper GetComponent(EntityID entity, std::string componentType);
+    ComponentWrapper GetComponent(EntityID entity, const std::string& componentType);
     // Delete a component off an entity
-    void DeleteComponent(EntityID entity, std::string componentType);
+    void DeleteComponent(EntityID entity, const std::string& componentType);
     // Get all components of the specified type
-    const ComponentPool* GetComponents(std::string componentType);
+    const ComponentPool* GetComponents(const std::string& componentType);
     // Get entity parent
     EntityID GetParent(EntityID entity);
     // Change the parent of an entity
     void SetParent(EntityID entity, EntityID parent);
+    // Get children of an entity
+    const std::pair<std::unordered_multimap<EntityID, EntityID>::const_iterator, std::unordered_multimap<EntityID, EntityID>::const_iterator> GetChildren(EntityID entity);
     // Get all component pools
     const std::unordered_map<std::string, ComponentPool*>& GetComponentPools() const { return m_ComponentPools; }
     // Get the entity children map

include/Engine/Editor/EditorSystem.h

@@ -9,9 +9,8 @@
 #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"
@@ -26,6 +25,7 @@ public:
 private:
     IRenderer* m_Renderer;
     World* m_World = nullptr;
+    Camera* m_Camera = nullptr;
 
     bool m_Enabled;
     bool m_Visible;
@@ -57,6 +57,7 @@ private:
     EntityID m_WidgetOrigin = EntityID_Invalid;
     glm::vec3 m_WidgetCurrentAxis;
     float m_WidgetPickingDepth = 0.f;
+    glm::vec3 m_WidgetPickingPosition = glm::vec3(0);
 
     EntityID m_Selection = EntityID_Invalid;
     EntityID m_LastSelection = EntityID_Invalid;
@@ -75,11 +76,10 @@ 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);

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/Input/InputProxy.h

@@ -1,6 +1,7 @@
 #ifndef InputProxy_h__
 #define InputProxy_h__
 
+#include <boost/tokenizer.hpp>
 #include "../Common.h"
 #include "../Core/ResourceManager.h"
 #include "../Core/ConfigFile.h"

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/BaseTexture.h

@@ -3,7 +3,7 @@
 
 #include "../Core/ResourceManager.h"
 
-class BaseTexture : public Resource
+class BaseTexture : public ThreadUnsafeResource
 {
 	friend class ResourceManager;
 

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/DirectionalLightJob.h

@@ -0,0 +1,35 @@
+#ifndef DirectionalLightJob_h__
+#define DirectionalLightJob_h__
+
+#include <cstdint>
+
+#include "../Common.h"
+#include "../GLM.h"
+#include "../Core/ComponentWrapper.h"
+#include "RenderJob.h"
+#include "../Core/Transform.h"
+#include "../Core/World.h"
+
+struct DirectionalLightJob : RenderJob
+{
+    DirectionalLightJob(ComponentWrapper transformComponent, ComponentWrapper directionalLightComponent, World* m_World)
+        : RenderJob()
+    {
+
+        Direction = glm::vec4(0,0,-1,0) * glm::inverse(Transform::AbsoluteOrientation(m_World, transformComponent.EntityID));
+        //Direction = glm::vec4((glm::vec3)directionalLightComponent["Direction"], 0.f);
+        Color = (glm::vec4)directionalLightComponent["Color"];
+        Intensity = (double)directionalLightComponent["Intensity"];
+    };
+
+    glm::vec4 Direction;
+    glm::vec4 Color;
+    float Intensity;
+
+    void CalculateHash() override
+    {
+        Hash = 0;
+    }
+};
+
+#endif

include/Engine/Rendering/DrawFinalPass.h

@@ -0,0 +1,38 @@
+#ifndef DrawFinalPass_h__
+#define DrawFinalPass_h__
+
+#include "IRenderer.h"
+#include "DrawFinalPassState.h"
+#include "LightCullingPass.h"
+#include "FrameBuffer.h"
+#include "ShaderProgram.h"
+#include "Util/UnorderedMapVec2.h"
+#include "Texture.h"
+
+class DrawFinalPass
+{
+public:
+    DrawFinalPass(IRenderer* renderer, LightCullingPass* lightCullingPass);
+    ~DrawFinalPass() { }
+    void InitializeTextures();
+    void InitializeFrameBuffers();
+    void InitializeShaderPrograms();
+
+    void Draw(RenderScene& scene);
+
+    //Getters
+
+
+private:
+    void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const;
+
+    Texture* m_WhiteTexture;
+
+    const IRenderer* m_Renderer;
+    const LightCullingPass* m_LightCullingPass;
+
+    ShaderProgram* m_ForwardPlusProgram;
+
+};
+
+#endif 

include/Engine/Rendering/DrawFinalPassState.h

@@ -0,0 +1,15 @@
+#ifndef DrawFinalPassState_h__
+#define DrawFinalPassState_h__
+
+#include "Rendering/RenderState.h"
+
+class DrawFinalPassState : public RenderState
+{
+public:
+    DrawFinalPassState();
+    ~DrawFinalPassState();
+private:
+
+};
+
+#endif

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 = EntityID_Invalid;
-        }
-        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

@@ -9,6 +9,17 @@
 #include "Camera.h"
 #include "RenderQueue.h"
 #include "Model.h"
+#include "../Core/World.h" //So temp
+
+
+struct PickData
+{
+    EntityID Entity;
+    glm::vec3 Position; //World position
+    float Depth;
+    ::Camera* Camera;
+    const ::World* World;
+};
 
 class IRenderer
 {
@@ -20,19 +31,21 @@ 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;
+
+    World* m_World; //Temp world, untill viktor merge.
 
 protected:
 	Rectangle m_Resolution = Rectangle::Rectangle(1280, 720);
@@ -40,9 +53,9 @@ 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/LightCullingPass.h

@@ -0,0 +1,84 @@
+#ifndef LightCullingPass_h__
+#define LightCullingPass_h__
+
+#define TILE_SIZE 16 
+#define MAX_LIGHTS_PER_TILE 200
+
+#include "IRenderer.h"
+#include "LightCullingPassState.h"
+#include "ShaderProgram.h"
+#include "RenderQueue.h"
+
+
+class LightCullingPass
+{
+public:
+    LightCullingPass(IRenderer* renderer);
+    ~LightCullingPass();
+
+    void GenerateNewFrustum(RenderScene& scene);
+    void OnResolutionChange();
+    void SetSSBOSizes();
+    void CullLights(RenderScene& scene);
+    void FillLightList(RenderScene& scene);
+
+    GLuint FrustumSSBO() const { return m_FrustumSSBO; }
+    GLuint LightSSBO() const { return m_LightSSBO; }
+    GLuint LightGridSSBO() const { return m_LightGridSSBO; }
+    GLuint LightOffsetSSBO() const { return m_LightOffsetSSBO; }
+    GLuint LightIndexSSBO() const { return m_LightIndexSSBO; }
+private:
+
+    void InitializeSSBOs();
+    void InitializeShaderPrograms();
+
+    const IRenderer* m_Renderer;
+
+    GLuint m_FrustumSSBO = 0;
+    GLuint m_LightSSBO = 0;
+    GLuint m_LightGridSSBO = 0;
+    GLuint m_LightOffsetSSBO = 0;
+    GLuint m_LightIndexSSBO = 0;
+
+    ShaderProgram* m_CalculateFrustumProgram;
+    ShaderProgram* m_LightCullProgram;
+
+    int m_NumberOfTiles = 0;
+
+    struct Plane {
+        glm::vec3 Normal = glm::vec3(0.f);
+        float d = 0;
+    };
+
+    struct Frustum {
+        Plane Planes[4];
+    };
+    Frustum* m_Frustums;
+
+    //This should be a component
+    struct LightSource {
+        glm::vec4 Position = glm::vec4(0.f);
+        glm::vec4 Direction = glm::vec4(10.f);
+        glm::vec4 Color = glm::vec4(1.f);
+        float Radius = 5.f;
+        float Intensity = 0.8f;
+        float Falloff = 0.3f;
+        enum Type_t { Zero, Point, Directional, Spot } Type;
+    };
+    std::vector<LightSource> m_LightSources;
+
+    struct LightGrid {
+        float Start = 0;
+        float Amount = 0;
+        glm::vec2 Padding = glm::vec2(1.f, 2.f);
+    };
+
+    LightGrid* m_LightGrid;
+
+    int m_LightOffset = 0;
+
+    float* m_LightIndex;
+};
+
+
+#endif

include/Engine/Rendering/Model.h

@@ -4,7 +4,7 @@
 #include "RawModel.h"
 #include "../OpenGL.h"
 
-class Model : public RawModel
+class Model : public ThreadUnsafeResource
 {
 	friend class ResourceManager;
 
@@ -13,11 +13,15 @@ private:
 
 public:
 	~Model();
+    const std::vector<RawModel::MaterialGroup>& MaterialGroups() const { return m_RawModel->MaterialGroups; }
+    const glm::mat4& Matrix() const { return m_RawModel->m_Matrix; }
+    const std::vector<RawModel::Vertex>& Vertices() const { return m_RawModel->m_Vertices; }
 
 	GLuint VAO;
 	GLuint ElementBuffer;
 
 private:
+    RawModel* m_RawModel;
 	GLuint VertexBuffer;
 	GLuint DiffuseVertexColorBuffer;
 	GLuint SpecularVertexColorBuffer;

include/Engine/Rendering/ModelJob.h

@@ -0,0 +1,59 @@
+#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"
+#include "../Core/Transform.h"
+
+struct ModelJob : RenderJob
+{
+    ModelJob(Model* model, Camera* camera, glm::mat4 matrix, ::RawModel::MaterialGroup matGroup, ComponentWrapper modelComponent, World* world)
+        : RenderJob()
+    {
+        Model = model;
+        TextureID = (matGroup.Texture) ? matGroup.Texture->ResourceID : 0;
+        DiffuseTexture = matGroup.Texture.get();
+        NormalTexture = matGroup.NormalMap.get();
+        SpecularTexture = matGroup.SpecularMap.get();
+        StartIndex = matGroup.StartIndex;
+        EndIndex = matGroup.EndIndex;
+        Matrix = matrix;
+        Color = modelComponent["Color"];
+        Entity = modelComponent.EntityID;
+        glm::vec3 abspos = Transform::AbsolutePosition(world, modelComponent.EntityID);
+        glm::vec3 worldpos = glm::vec3(camera->ViewMatrix() * glm::vec4(abspos, 1));
+        Depth = worldpos.z;
+        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;
+    World* World;
+
+    void CalculateHash() override
+    {
+        Hash = TextureID;
+    }
+};
+
+#endif

include/Engine/Rendering/PickingPass.h

@@ -1,13 +1,17 @@
 #ifndef PickingPass_h__
 #define PickingPass_h__
 
+
+
 #include "IRenderer.h"
 #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 +22,18 @@ 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 +43,24 @@ 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/PointLightJob.h

@@ -0,0 +1,39 @@
+#ifndef PointLightJob_h__
+#define PointLightJob_h__
+
+#include <cstdint>
+
+#include "../Common.h"
+#include "../GLM.h"
+#include "../Core/ComponentWrapper.h"
+#include "RenderJob.h"
+#include "../Core/Transform.h"
+#include "../Core/World.h"
+
+struct PointLightJob : RenderJob
+{
+    PointLightJob(ComponentWrapper transformComponent, ComponentWrapper pointLightComponent, World* m_World)
+        : RenderJob()
+    {
+        Position = glm::vec4((glm::vec3)transformComponent["Position"], 1.0f);
+        Position = glm::vec4(Transform::AbsolutePosition(m_World, transformComponent.EntityID), 1.f);
+        Color = (glm::vec4)pointLightComponent["Color"];
+        Radius = (double)pointLightComponent["Radius"];
+        Intensity = (double)pointLightComponent["Intensity"];
+        Falloff = (double)pointLightComponent["Falloff"];
+    };
+
+    glm::vec4 Position;
+    glm::vec4 Color;
+    float Radius;
+    float Intensity;
+    float Falloff;
+    float padding = 123;
+
+    void CalculateHash() override
+    {
+        Hash = 0;
+    }
+};
+
+#endif

include/Engine/Rendering/RawModel.h

@@ -46,14 +46,18 @@ public:
 	struct MaterialGroup
 	{
 		float Shininess;
+        float Transparency;
+        std::string TexturePath;
 		std::shared_ptr<::Texture> Texture;
+        std::string NormalMapPath;
 		std::shared_ptr<::Texture> NormalMap;
+        std::string SpecularMapPath;
 		std::shared_ptr<::Texture> SpecularMap;
 		unsigned int StartIndex;
 		unsigned int EndIndex;
 	};
 
-	std::vector<MaterialGroup> TextureGroups;
+	std::vector<MaterialGroup> MaterialGroups;
 
 	std::vector<Vertex> m_Vertices;
 	std::vector<unsigned int> m_Indices;

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 +8,14 @@
 #include "../GLM.h"
 #include "../Core/Util/Rectangle.h"
 #include "../Core/Entity.h"
+#include "Camera.h"
+#include "RenderJob.h"
+#include "ModelJob.h"
+#include "PointLightJob.h"
+#include "DirectionalLightJob.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;
@@ -82,73 +35,67 @@ struct SpriteJob : RenderJob
 
 struct PointLightJob : RenderJob
 {
-	glm::vec3 Position;
-	glm::vec3 SpecularColor = glm::vec3(1, 1, 1);
-	glm::vec3 DiffuseColor = glm::vec3(1, 1, 1);
-	float Radius = 1.f;
-    float Intensity = 0.8f;
+    glm::vec4 Position;
+	glm::vec4 Color;
+	float Radius;
+    float Intensity;
+    float Falloff;
+    float padding = 123;
 
 	void CalculateHash() override
 	{
 		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>> PointLightJobs;
+    std::list<std::shared_ptr<RenderJob>> DirectionalLightJobs;
+    Rectangle Viewport;
 
 	void Clear()
 	{
-		Jobs.clear();
-		m_Size = 0;
+        ForwardJobs.clear();
+        PointLightJobs.clear();
+        DirectionalLightJobs.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 +1,56 @@
+#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 "PointLightJob.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);
+    void fillPointLights(std::list<std::shared_ptr<RenderJob>>& jobs, World* world);
+    void fillDirectionalLights(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

@@ -12,24 +12,12 @@
 #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 "LightCullingPass.h"
+#include "DrawFinalPass.h"
 #include "../Core/EventBroker.h"
-#include "EPicking.h"
 #include "ImGuiRenderPass.h"
+#include "Camera.h"
+#include "../Core/Transform.h"
 
 class Renderer : public IRenderer
 {
@@ -40,17 +28,16 @@ public:
 
     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;
-
     Texture* m_ErrorTexture;
     Texture* m_WhiteTexture;
-    float m_CameraMoveSpeed;
 
     Model* m_ScreenQuad;
     Model* m_UnitQuad;
@@ -58,70 +45,26 @@ private:
 
     DrawScenePass* m_DrawScenePass;
     PickingPass* m_PickingPass;
+    LightCullingPass* m_LightCullingPass;
     ImGuiRenderPass* m_ImGuiRenderPass;
+    DrawFinalPass* m_DrawFinalPass;
 
     //----------------------Functions----------------------//
     void InitializeWindow();
     void InitializeShaders();
     void InitializeTextures();
-    void InitializeSSBOs();
     void InitializeRenderPasses();
     //TODO: Renderer: Get InputUpdate out of renderer
     void InputUpdate(double dt);
     //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;
-
+    static bool DepthSort(const std::shared_ptr<RenderJob> &i, const std::shared_ptr<RenderJob> &j) { return (i->Depth < j->Depth); }
+    void SortRenderJobsByDepth(RenderScene &scene);
     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;
-
 };
 
 #endif

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/Engine/Sound/EContinueSound.h

@@ -0,0 +1,17 @@
+#ifndef Events_ContinueSound_h__
+#define Events_ContinueSound_h__
+
+#include "Core/EventBroker.h"
+#include "Core/Entity.h"
+
+namespace Events
+{
+// Continues to play a sound from where it was paused.
+struct ContinueSound : Event
+{
+    EntityID EmitterID;
+};
+
+}
+
+#endif

include/Engine/Sound/EPauseSound.h

@@ -0,0 +1,17 @@
+#ifndef Events_PauseSound_h__
+#define Events_PauseSound_h__
+
+#include "Core/EventBroker.h"
+#include "Core/Entity.h"
+
+namespace Events
+{
+// Pauses a playing sound
+struct PauseSound : Event
+{
+    EntityID EmitterID;
+};
+
+}
+
+#endif

include/Engine/Sound/EPlayBackgroundMusic.h

@@ -0,0 +1,18 @@
+#ifndef Events_PlayBackgroundMusic_h__
+#define Events_PlayBackgroundMusic_h__
+
+#include <string>
+#include "Core/Entity.h"
+#include "Core/Event.h"
+
+namespace Events
+{
+// Play a sound that will be heared the same anywhere
+struct PlayBackgroundMusic : public Event
+{
+    std::string FilePath = "";
+};
+
+}
+
+#endif

include/Engine/Sound/EPlaySoundOnEntity.h

@@ -0,0 +1,21 @@
+#ifndef Events_PlaySoundOnEntity_h__
+#define Events_PlaySoundOnEntity_h__
+
+#include <string>
+#include "Core/Entity.h"
+#include "Core/Event.h"
+
+namespace Events
+{
+
+// Plays a sound on an entity with a SoundEmitter component attached.
+// Sound behavior is thereby specified in the SoundEmitter component.
+struct PlaySoundOnEntity : public Event
+{
+    EntityID EmitterID = 0;
+    std::string FilePath = "";
+};
+
+}
+
+#endif

include/Engine/Sound/EPlaySoundOnPosition.h

@@ -0,0 +1,26 @@
+#ifndef Events_PlaySoundOnPosition_h__
+#define Events_PlaySoundOnPosition_h__
+
+#include <string>
+#include <glm/common.hpp>
+#include "Core/Event.h"
+
+namespace Events
+{
+
+// Plays a sound on a given position. Idk if this would be useful.
+struct PlaySoundOnPosition : public Event
+{
+    glm::vec3 Position = glm::vec3(0);
+    std::string FilePath = "";
+    float Gain = 1;
+    float Pitch = 1;
+    bool Loop = false;
+    float MaxDistance = 20;
+    float RollOffFactor = 1;
+    float ReferenceDistance = 1;
+};
+
+}
+
+#endif

include/Engine/Sound/ESetBGMGain.h

@@ -0,0 +1,16 @@
+#ifndef Events_SetBGMGain_h__
+#define Events_SetBGMGain_h__
+
+#include "Core/Event.h"
+
+namespace Events
+{
+// Set the "volume" for all background sounds
+struct SetBGMGain : public Event
+{
+    float Gain;
+};
+
+}
+
+#endif

include/Engine/Sound/ESetSFXGain.h

@@ -0,0 +1,16 @@
+#ifndef Events_SetSFXGain_h__
+#define Events_SetSFXGain_h__
+
+#include "Core/Event.h"
+
+namespace Events
+{
+// Set the "volume" for all effect sounds
+struct SetSFXGain : public Event
+{
+    float Gain;
+};
+
+}
+
+#endif

include/Engine/Sound/EStopSound.h

@@ -0,0 +1,17 @@
+#ifndef Events_StopSound_h__
+#define Events_StopSound_h__
+
+#include "Core/EventBroker.h"
+#include "Core/Entity.h"
+
+namespace Events
+{
+// Stops a sound emitter, and will also delete it.
+struct StopSound : Event
+{
+    EntityID EmitterID;
+};
+
+}
+
+#endif

include/Engine/Sound/Sound.h

@@ -0,0 +1,113 @@
+#ifndef Sound_h__
+#define Sound_h__
+
+#include "Core/ResourceManager.h"
+
+class Sound : public Resource
+{
+    friend class ResourceManager;
+public:
+    Sound(std::string path) { m_Buffer = LoadFile(path); m_Path = path; }
+    ~Sound() { ClearBuffer(); }
+    ALuint Buffer() { return m_Buffer; }
+    std::string Path() { return m_Path; }
+    float Gain() { return m_Gain; }
+    void SetGain(float value) { m_Gain = value; }
+    void ClearBuffer() { alDeleteBuffers(1, &m_Buffer); m_BufferCache.clear(); };
+
+private:
+    float m_Gain = 1;
+    ALuint m_Buffer;
+    std::string m_Path;
+
+    // File info
+    char m_Type[4];
+    unsigned long m_Size, m_ChunkSize;
+    short m_FormatType, m_Channels;
+    unsigned long m_SampleRate, m_AvgBytesPerSec;
+    short m_BytesPerSample, m_BitsPerSample;
+    unsigned int m_DataSize;
+    std::map<std::string, ALuint> m_BufferCache;
+
+    ALuint LoadFile(std::string path)
+    {
+        if (m_BufferCache.find(path) != m_BufferCache.end()) {
+            return m_BufferCache[path];
+        }
+
+        // Open file
+        FILE *fp = fopen(path.c_str(), "rb");
+        if (!fp) {
+            printf("Sound: Failed to open file %s, no such file exists", path.c_str());
+            return 0;
+        }
+
+        //CHECK FOR VALID WAVE-FILE
+        fread(m_Type, sizeof(char), 4, fp);
+        if (m_Type[0] != 'R' || m_Type[1] != 'I' || m_Type[2] != 'F' || m_Type[3] != 'F') {
+            printf("ERROR: No RIFF in WAVE-file");
+            return 0;
+        }
+
+        fread(&m_Size, 4 * sizeof(char), 1, fp);
+        fread(m_Type, sizeof(char), 4, fp);
+        if (m_Type[0] != 'W' || m_Type[1] != 'A' || m_Type[2] != 'V' || m_Type[3] != 'E') {
+            printf("ERROR: Not WAVE-file");
+            return 0;
+        }
+
+        fread(m_Type, sizeof(char), 4, fp);
+        if (m_Type[0] != 'f' || m_Type[1] != 'm' || m_Type[2] != 't' || m_Type[3] != ' ') {
+            printf("ERROR: No fmt in WAVE-file");
+            return 0;
+        }
+
+        // READ THE DATA FROM WAVE-FILE
+        fread(&m_ChunkSize, 4 * sizeof(char), 1, fp);
+        fread(&m_FormatType, 2 * sizeof(char), 1, fp);
+        fread(&m_Channels, 2 * sizeof(char), 1, fp);
+        fread(&m_SampleRate, 4 * sizeof(char), 1, fp);
+        fread(&m_AvgBytesPerSec, 4 * sizeof(char), 1, fp);
+        fread(&m_BytesPerSample, 2 * sizeof(char), 1, fp);
+        fread(&m_BitsPerSample, 2 * sizeof(char), 1, fp);
+
+        fread(m_Type, sizeof(char), 4, fp);
+        if (m_Type[0] != 'd' || m_Type[1] != 'a' || m_Type[2] != 't' || m_Type[3] != 'a') {
+            printf("ERROR: WAVE-file Missing data");
+            return 0;
+        }
+
+        fread(&m_DataSize, 4 * sizeof(char), 1, fp);
+
+        unsigned char* buf = new unsigned char[m_DataSize];
+        fread(buf, sizeof(char), m_DataSize, fp);
+        fclose(fp);
+
+        // Create buffer
+        ALuint format = 0;
+        if (m_BitsPerSample == 8) {
+            if (m_Channels == 1) {
+                format = AL_FORMAT_MONO8;
+            } else if (m_Channels == 2) {
+                format = AL_FORMAT_STEREO8;
+            }
+        }
+        if (m_BitsPerSample == 16) {
+            if (m_Channels == 1) {
+                format = AL_FORMAT_MONO16;
+            } else if (m_Channels == 2) {
+                format = AL_FORMAT_STEREO16;
+            }
+        }
+
+        ALuint buffer;
+        alGenBuffers(1, &buffer);
+        alBufferData(buffer, format, buf, m_DataSize, m_SampleRate);
+        delete[] buf;
+
+        m_BufferCache[path] = buffer;
+        return buffer;
+    }
+};
+
+#endif

include/Engine/Sound/SoundSystem.h

@@ -0,0 +1,101 @@
+#ifndef SoundSystem_h__
+#define SoundSystem_h__
+
+#include <unordered_map>
+
+#include "glm/common.hpp"
+#include "glm/gtx/rotate_vector.hpp" // Calculate Up vector
+#include "OpenAL/al.h"
+#include "OpenAL/alc.h"
+
+#include "Core/World.h"
+#include "Core/EventBroker.h"
+#include "Core/Transform.h" // Absolute transform
+#include "Sound/Sound.h"
+#include "Sound/EPlaySoundOnEntity.h"
+#include "Sound/EPlaySoundOnPosition.h"
+#include "Sound/EPlayBackgroundMusic.h"
+#include "Sound/EPauseSound.h"
+#include "Sound/EContinueSound.h"
+#include "Sound/EStopSound.h"
+#include "Sound/ESetBGMGain.h"
+#include "Sound/ESetSFXGain.h"
+
+enum class SoundType {
+    SFX,
+    BGM
+};
+
+struct Source
+{
+    Source() { }
+    Sound* SoundResource = nullptr;
+    ALuint ALsource;
+    SoundType Type;
+};
+
+class SoundSystem
+{
+public:
+    SoundSystem() { }
+    SoundSystem(World* world, EventBroker* eventBroker, bool editorMode);
+    ~SoundSystem();
+    // Update emitters / listener
+    void Update(double dt); 
+private:
+    // Help functions for working with OpenaAL
+    void setListenerPos(glm::vec3 pos) { alListener3f(AL_POSITION, pos.x, pos.y, pos.z); };
+    void setListenerVel(glm::vec3 vel) { alListener3f(AL_VELOCITY, vel.x, vel.y, vel.z); };
+    void setListenerOri(glm::vec3 ori);
+    glm::vec3 listnerPos() { glm::vec3 pos; alGetListener3f(AL_POSITION, &pos.x, &pos.y, &pos.z); return pos; };
+    glm::vec3 listenerVel() { glm::vec3 vel; alGetListener3f(AL_VELOCITY, &vel.x, &vel.y, &vel.z); return vel; };
+    glm::vec3 listenerOri() { glm::vec3 ori; alGetListener3f(AL_ORIENTATION, &ori.x, &ori.y, &ori.z); return ori; };
+    void setSourcePos(ALuint source, glm::vec3 pos) { ALfloat spos[3] = { pos.x, pos.y, pos.z };  alSourcefv(source, AL_POSITION, spos); };
+    void setSourceVel(ALuint source, glm::vec3 vel) { ALfloat svel[3] = { vel.x, vel.y, vel.z };  alSourcefv(source, AL_VELOCITY, svel); };
+
+    // Logic 
+    void initOpenAL();
+    void updateEmitters(double dt);
+    void updateListener(double dt);
+    void deleteInactiveEmitters();
+    void addNewEmitters(double dt);
+    Source* createSource(std::string filePath);
+    void playSound(Source* source);
+    void stopSound(Source* source);
+    void stopEmitters();
+    ALenum getSourceState(ALuint source);
+    void setGain(Source* source, float gain);
+    void setSoundProperties(ALuint source, ComponentWrapper* soundComponent);
+
+    // OpenAL system variables
+    ALCdevice* m_ALCdevice = nullptr;
+    ALCcontext* m_ALCcontext = nullptr;
+
+    // Logic
+    World* m_World = nullptr;
+    EventBroker* m_EventBroker = nullptr;
+    std::unordered_map<EntityID, Source*> m_Sources;
+    float m_BGMVolumeChannel = 1.0f;
+    float m_SFXVolumeChannel = 1.f;
+    bool m_EditorEnabled = false;
+
+    // Events
+    EventRelay<SoundSystem, Events::PlaySoundOnEntity> m_EPlaySoundOnEntity;
+    bool OnPlaySoundOnEntity(const Events::PlaySoundOnEntity &e);
+    EventRelay<SoundSystem, Events::PlaySoundOnPosition> m_EPlaySoundOnPosition;
+    bool OnPlaySoundOnPosition(const Events::PlaySoundOnPosition &e);
+    EventRelay<SoundSystem, Events::PlayBackgroundMusic> m_EPlayBackgroundMusic;
+    bool OnPlayBackgroundMusic(const Events::PlayBackgroundMusic &e);
+    EventRelay<SoundSystem, Events::PauseSound> m_EPauseSound;
+    bool OnPauseSound(const Events::PauseSound &e);
+    EventRelay<SoundSystem, Events::StopSound> m_EStopSound;
+    bool OnStopSound(const Events::StopSound &e);
+    EventRelay<SoundSystem, Events::ContinueSound> m_EContinueSound;
+    bool OnContinueSound(const Events::ContinueSound &e);
+    EventRelay<SoundSystem, Events::SetBGMGain> m_ESetBGMGain; 
+    bool OnSetBGMGain(const Events::SetBGMGain &e); // Not tested
+    EventRelay<SoundSystem, Events::SetSFXGain> m_ESetSFXGain; 
+    bool OnSetSFXGain(const Events::SetSFXGain &e); // Not tested
+};
+
+#endif