Tiny logic alteration so we don't get false warnings in debug.

Player movement

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<AABB>* 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<AABB>* 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 "../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

@@ -8,22 +8,27 @@
 #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<AABB>* 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<AABB>* m_Octree;
     bool zPress;
+
     EventRelay<CollisionSystem, Events::KeyUp> m_EKeyUp;
     bool OnKeyUp(const Events::KeyUp &event);
 };

include/Engine/Collision/TriggerSystem.h

@@ -6,6 +6,7 @@
 
 #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<AABB>* 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<AABB>* 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

@@ -9,7 +9,8 @@ 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
@@ -23,8 +24,9 @@ struct ComponentInfo
 	std::string Name;
     std::unordered_map<std::string, Field_t> Fields;
     std::vector<std::string> FieldsInOrder;
-	Meta_t Meta;
+    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;

include/Engine/Core/ComponentWrapper.h

@@ -18,21 +18,31 @@ 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
     {
@@ -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].Name = 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/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/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/OctTree.h

@@ -1,104 +0,0 @@
-#ifndef OctTree_h__
-#define OctTree_h__
-
-#include "Core/AABB.h"
-
-class Ray;
-
-class OctTree
-{
-public:
-    struct Output
-    {
-        float CollideDistance;
-    };
-
-    OctTree();
-    ~OctTree();
-    //For the root OctTree, [octTreeBounds] should be a box containing the entire level.
-    OctTree(const AABB& octTreeBounds, 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;
-    //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.
-    void AddStaticObject(const AABB& box);
-    //Get the boxes that are in the same area as the input [box], the boxes are put in [outBoxes].
-    void BoxesInSameRegion(const AABB& box, std::vector<AABB>& outBoxes);
-    //Empty the tree of all objects, static and dynamic.
-    void ClearObjects();
-    //Empty the tree of all dynamic objects. Static objects remain in the tree.
-    void ClearDynamicObjects();
-
-    //Returns true if the ray collides with something in the tree. Result is written to [data].
-    bool RayCollides(const Ray& ray, Output& data);
-    //Returns true if the box collides with something in the tree. 
-    //On collision with a box, that box is written to [outBoxIntersected].
-    //Note: More efficient than calling BoxesInSameRegion from outside and testing there.
-    bool BoxCollides(const AABB& boxToTest, AABB& outBoxIntersected);
-
-private:
-    struct OctChild;    //Fwd declaration;
-    struct ContainedObject
-    {
-        ContainedObject()
-            : Box(AABB())
-            , Checked(false)
-        {}
-        ContainedObject(AABB box)
-            : Box(box)
-            , Checked(false)
-        {}
-        AABB Box;
-        bool Checked;
-    };
-    OctChild* m_Root;
-    std::vector<ContainedObject> m_StaticObjects;
-    std::vector<ContainedObject> m_DynamicObjects;
-
-    bool m_UpdatedOnce;
-    unsigned int m_BoxID;
-    glm::vec3 m_PrevPos;
-    glm::quat m_PrevOri;
-
-    void falsifyObjectChecks();
-
-    struct OctChild
-    {
-        ~OctChild();
-        OctChild(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;
-        void AddDynamicObject(const AABB& box);
-        void AddStaticObject(const AABB& box);
-        void BoxesInSameRegion(const AABB& box, std::vector<AABB>& outBoxes) const;
-        void ClearObjects();
-        void ClearDynamicObjects();
-        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.
-        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;
-
-        inline bool hasChildren() const;
-        int childIndexContainingPoint(const glm::vec3& point) const;
-        std::vector<int> childIndicesContainingBox(const AABB& box) const;
-    };
-};
-
-
-#endif

include/Engine/Core/Octree.h

@@ -0,0 +1,233 @@
+#ifndef Octree_h__
+#define Octree_h__
+
+#include <type_traits>
+
+#include "../Common.h"
+#include "AABB.h"
+
+//Fwd declarations.
+class Ray;
+
+namespace OctSpace
+{
+struct Output;
+struct ContainedObject;
+struct Child;
+}
+
+//T needs to be AABB, or inherit from AABB.
+//T also needs to have a default constructor.
+template<typename T>
+class Octree
+{
+public:
+    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 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 T& object);
+    //Add a static object (that does not move) into the tree.
+    void AddStaticObject(const T& object);
+    //Get the objects that are in the same area as the input [box], the objects are put in [outObjects].
+    //The type Box must be AABB, or inherit from AABB.
+    template<typename Box>
+    void ObjectsInSameRegion(const Box& box, std::vector<T>& outObjects);
+    //Empty the tree of all objects, static and dynamic.
+    void ClearObjects();
+    //Empty the tree of all dynamic objects. Static objects remain in the tree.
+    void ClearDynamicObjects();
+
+    //Returns true if the ray collides with something in the tree. Result is written to [data].
+    bool RayCollides(const Ray& ray, OctSpace::Output& data);
+    //Returns true if the box collides with something in the tree. 
+    //On collision with a box, that box is written to [outBoxIntersected].
+    //Note: More efficient than calling ObjectsInSameRegion from outside and testing there.
+    bool BoxCollides(const AABB& boxToTest, AABB& outBoxIntersected);
+
+private:
+    OctSpace::Child* m_Root;
+    std::vector<OctSpace::ContainedObject> m_StaticObjects;
+    std::vector<OctSpace::ContainedObject> m_DynamicObjects;
+
+    void falsifyObjectChecks();
+};
+
+namespace OctSpace
+{
+
+struct Output
+{
+    float CollideDistance;
+};
+
+struct ContainedObject
+{
+    ContainedObject()
+        : Box(nullptr)
+        , Checked(false)
+    {}
+    template<typename BoxlikeObject>
+    ContainedObject(const BoxlikeObject& box)
+        : Box(new BoxlikeObject(box))
+        , Checked(false)
+    {}
+    std::unique_ptr<AABB> Box;
+    bool Checked;
+};
+
+struct Child
+{
+    ~Child();
+    Child(const AABB& octTreeBounds,
+        int subDivisions,
+        std::vector<ContainedObject>& staticObjects,
+        std::vector<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);
+    template<typename T, typename Box>
+    void ObjectsInSameRegion(const Box& box, std::vector<T>& outObjects) const;
+    void ClearObjects();
+    void ClearDynamicObjects();
+    bool RayCollides(const Ray& ray, Output& data) const;
+    bool BoxCollides(const AABB& boxToTest, AABB& outBoxIntersected) const;
+
+    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 Octree.
+    std::vector<ContainedObject>& m_StaticObjectsRef;
+    std::vector<ContainedObject>& m_DynamicObjectsRef;
+
+    inline bool hasChildren() const;
+    int childIndexContainingPoint(const glm::vec3& point) const;
+    std::vector<int> childIndicesContainingBox(const AABB& box) const;
+};
+
+}
+
+template<typename T>
+Octree<T>::Octree(const AABB& octTreeBounds, int subDivisions)
+    : m_Root(new OctSpace::Child(octTreeBounds, subDivisions, m_StaticObjects, m_DynamicObjects))
+{
+    static_assert(std::is_base_of<AABB, T>::value, "template argument type T in Octree must be a subclass of AABB.");
+}
+
+template<typename T>
+Octree<T>::~Octree()
+{
+    delete m_Root;
+}
+
+template<typename T>
+void Octree<T>::AddDynamicObject(const T& object)
+{
+    m_Root->AddDynamicObject(object);
+    m_DynamicObjects.emplace_back(object);
+}
+
+template<typename T>
+void Octree<T>::AddStaticObject(const T& object)
+{
+    m_Root->AddStaticObject(object);
+    m_StaticObjects.emplace_back(object);
+}
+
+template<typename T>
+template<typename Box>
+void Octree<T>::ObjectsInSameRegion(const Box& box, std::vector<T>& outObjects)
+{
+    static_assert(std::is_base_of<AABB, Box>::value, "template argument type Box in Octree<T>::ObjectsInSameRegion must be a subclass of AABB.");
+    falsifyObjectChecks();
+    m_Root->ObjectsInSameRegion(box, outObjects);
+}
+
+template<typename T>
+void Octree<T>::ClearObjects()
+{
+    m_StaticObjects.clear();
+    m_DynamicObjects.clear();
+    m_Root->ClearObjects();
+}
+
+template<typename T>
+void Octree<T>::ClearDynamicObjects()
+{
+    m_DynamicObjects.clear();
+    m_Root->ClearDynamicObjects();
+}
+
+template<typename T>
+bool Octree<T>::RayCollides(const Ray& ray, OctSpace::Output& data)
+{
+    falsifyObjectChecks();
+    data.CollideDistance = -1;
+    return m_Root->RayCollides(ray, data);
+}
+
+template<typename T>
+bool Octree<T>::BoxCollides(const AABB& boxToTest, AABB& outBoxIntersected)
+{
+    falsifyObjectChecks();
+    return m_Root->BoxCollides(boxToTest, outBoxIntersected);
+}
+
+template<typename T>
+void Octree<T>::falsifyObjectChecks()
+{
+    for (auto& obj : m_StaticObjects) {
+        obj.Checked = false;
+    }
+    for (auto& obj : m_DynamicObjects) {
+        obj.Checked = false;
+    }
+}
+
+template<typename T, typename Box>
+void OctSpace::Child::ObjectsInSameRegion(const Box& box, std::vector<T>& outObjects) const
+{
+    if (hasChildren()) {
+        for (auto i : childIndicesContainingBox(box)) {
+            m_Children[i]->ObjectsInSameRegion(box, outObjects);
+        }
+    } else {
+        size_t startIndex = outObjects.size();
+        int numDuplicates = 0;
+        outObjects.resize(outObjects.size() + m_StaticObjIndices.size() + m_DynamicObjIndices.size());
+        for (size_t i = 0; i < m_StaticObjIndices.size(); ++i) {
+            ContainedObject& obj = m_StaticObjectsRef[m_StaticObjIndices[i]];
+            if (obj.Checked) {
+                ++numDuplicates;
+            } else {
+                obj.Checked = true;
+                outObjects[startIndex + i - numDuplicates] = *static_cast<T*>(obj.Box.get());
+            }
+        }
+        for (size_t i = 0; i < m_DynamicObjIndices.size(); ++i) {
+            ContainedObject& obj = m_DynamicObjectsRef[m_DynamicObjIndices[i]];
+            if (obj.Checked) {
+                ++numDuplicates;
+            } else {
+                obj.Checked = true;
+                outObjects[startIndex + i - numDuplicates] = *static_cast<T*>(obj.Box.get());
+            }
+        }
+        for (size_t i = 0; i < numDuplicates; ++i) {
+            outObjects.pop_back();
+        }
+    }
+}
+
+#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/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/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/Game/Events/ESpawnerSpawn.h

@@ -0,0 +1,18 @@
+#ifndef ESpawnerSpawn_h__
+#define ESpawnerSpawn_h__
+
+#include "Core/Event.h"
+#include "Core/EntityWrapper.h"
+
+namespace Events
+{
+
+struct SpawnerSpawn : Event
+{
+    EntityWrapper Spawner;
+    EntityWrapper Parent;
+};
+
+}
+
+#endif

include/Game/Game.h

@@ -14,12 +14,11 @@
 #include "Core/EKeyDown.h"
 #include "Core/EntityFilePreprocessor.h"
 #include "Core/SystemPipeline.h"
-#include "RaptorCopterSystem.h"
-#include "PlayerSystem.h"
 #include "Editor/EditorSystem.h"
 #include "Core/EntityFile.h"
 #include "Rendering/RenderSystem.h"
 #include "Core/EntityFileParser.h"
+#include "Core/Octree.h"
 
 // Network
 #include <boost/thread.hpp>
@@ -48,6 +47,8 @@ private:
     InputProxy* m_InputProxy;
 	GUI::Frame* m_FrameStack;
     World* m_World;
+    Octree<AABB>* m_OctreeCollision;
+    Octree<AABB>* m_OctreeFrustrumCulling;
     SystemPipeline* m_SystemPipeline;
     RenderFrame* m_RenderFrame;
     // Network variables

include/Game/PlayerSystem.h

@@ -1,33 +0,0 @@
-#ifndef PlayerSystem_h__
-#define PlayerSystem_h__
-
-#include <GLFW/glfw3.h>
-#include <glm/common.hpp>
-
-#include "Common.h"
-#include "Core/System.h"
-#include "Collision/ETrigger.h"
-
-class PlayerSystem : public PureSystem
-{
-public:
-    PlayerSystem(EventBroker* eventBroker)
-        : PureSystem(eventBroker, "Player")
-    {
-        EVENT_SUBSCRIBE_MEMBER(m_ETouch, &PlayerSystem::OnTouch);
-        EVENT_SUBSCRIBE_MEMBER(m_EEnter, &PlayerSystem::OnEnter);
-        EVENT_SUBSCRIBE_MEMBER(m_ELeave, &PlayerSystem::OnLeave);
-    }
-
-    virtual void UpdateComponent(World* world, ComponentWrapper& player, double dt) override;
-private:
-    float m_Speed = 5;
-    EventRelay<PlayerSystem, Events::TriggerEnter> m_EEnter;
-    bool OnEnter(const Events::TriggerEnter &event);
-    EventRelay<PlayerSystem, Events::TriggerTouch> m_ETouch;
-    bool PlayerSystem::OnTouch(const Events::TriggerTouch &event);
-    EventRelay<PlayerSystem, Events::TriggerLeave> m_ELeave;
-    bool PlayerSystem::OnLeave(const Events::TriggerLeave &event);
-};
-
-#endif

include/Game/RaptorCopterSystem.h

@@ -1,16 +0,0 @@
-#include "Common.h"
-#include "Core/System.h"
-
-class RaptorCopterSystem : public PureSystem
-{
-public:
-    RaptorCopterSystem(EventBroker* eventBroker)
-        : PureSystem(eventBroker, "RaptorCopter")
-    { }
-
-    virtual void UpdateComponent(World* world, ComponentWrapper& raptorCopter, double dt) override
-    {
-        ComponentWrapper& transform = world->GetComponent(raptorCopter.EntityID, "Transform");
-        (glm::vec3&)transform["Orientation"] += (float)(double)raptorCopter["Speed"] * (float)dt * (glm::vec3)raptorCopter["Axis"];
-    }
-};

include/Game/Systems/HealthSystem.h

@@ -6,9 +6,9 @@
 
 #include "Common.h"
 #include "Core/System.h"
-#include "Core\EPlayerDamage.h";
-#include "Core\EPlayerHealthPickup.h";
-#include "Core\EPlayerDeath.h";
+#include "Core/EPlayerDamage.h"
+#include "Core/EPlayerHealthPickup.h"
+#include "Core/EPlayerDeath.h"
 
 #include <tuple>
 #include <vector>
@@ -19,7 +19,7 @@ public:
     HealthSystem(EventBroker* eventBroker);
 
     //updatecomponent
-    virtual void UpdateComponent(World* world, ComponentWrapper& health, double dt) override;
+    virtual void UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt) override;
 
 private:
     //methods which will take care of specific events

include/Game/Systems/PlayerMovementSystem.h

@@ -0,0 +1,14 @@
+#include "Common.h"
+#include "GLM.h"
+#include "Core/System.h"
+
+class PlayerMovementSystem : public PureSystem
+{
+public:
+    PlayerMovementSystem(EventBroker* eventBroker)
+        : System(eventBroker)
+        , PureSystem("Player")
+    { }
+
+    virtual void UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt);
+};

include/Game/Systems/PlayerSpawnSystem.h

@@ -0,0 +1,18 @@
+#include "Core/System.h"
+#include "Input/EInputCommand.h"
+#include "Systems/SpawnerSystem.h"
+#include "Events/ESpawnerSpawn.h"
+
+class PlayerSpawnSystem : public ImpureSystem
+{
+public:
+    PlayerSpawnSystem(EventBroker* eventBroker);
+
+    virtual void Update(World* world, double dt) override;
+
+private:
+    EventRelay<PlayerSpawnSystem, Events::InputCommand> m_OnInputCommand;
+    bool OnInputCommand(const Events::InputCommand& e);
+
+    std::vector<int> m_SpawnRequests;
+};

include/Game/Systems/RaptorCopterSystem.h

@@ -0,0 +1,17 @@
+#include "Common.h"
+#include "Core/System.h"
+
+class RaptorCopterSystem : public PureSystem
+{
+public:
+    RaptorCopterSystem(EventBroker* eventBroker)
+        : System(eventBroker)
+        , PureSystem("RaptorCopter")
+    { }
+
+    virtual void UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt) override
+    {
+        ComponentWrapper& transform = world->GetComponent(component.EntityID, "Transform");
+        (glm::vec3&)transform["Orientation"] += (float)(double)component["Speed"] * (float)dt * (glm::vec3)component["Axis"];
+    }
+};

include/Game/Systems/SpawnerSystem.h

@@ -0,0 +1,25 @@
+#ifndef SpawnerSystem_h__
+#define SpawnerSystem_h__
+
+#include <random>
+#include "Common.h"
+#include "GLM.h"
+#include "Core/System.h"
+#include "Events/ESpawnerSpawn.h"
+#include "Core/Transform.h"
+#include "Core/ResourceManager.h"
+#include "Core/EntityFileParser.h"
+
+class SpawnerSystem : public System
+{
+public:
+    SpawnerSystem(EventBroker* eventBroker);
+
+    static EntityWrapper Spawn(EntityWrapper spawner, EntityWrapper parent = EntityWrapper::Invalid);
+
+private:
+    EventRelay<SpawnerSystem, Events::SpawnerSpawn> m_OnSpawnerSpawn;
+    bool OnSpawnerSpawn(Events::SpawnerSpawn& e);
+};
+
+#endif

resources/DefaultInput.ini

@@ -6,10 +6,10 @@ InvertPitch=false
 MouseLeft=PrimaryFire
 MouseX=Yaw
 MouseY=Pitch
-W=+Forward
-S=-Forward
-D=+Right
-A=-Right
+W=Forward,1
+S=Forward,-1
+D=Right,1
+A=Right,-1
 R=Reload
 Space=Jump
 LeftControl=Crouch

resources/Schema/Components.xsd

@@ -2,8 +2,8 @@
 
 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="components" elementFormDefault="qualified">
 	<xs:include schemaLocation="Components/Transform.xsd"/>
+	<xs:include schemaLocation="Components/Physics.xsd"/>
 	<xs:include schemaLocation="Components/Model.xsd"/>
-	<xs:include schemaLocation="Components/Test.xsd"/>
 	<xs:include schemaLocation="Components/RaptorCopter.xsd"/>
 	<xs:include schemaLocation="Components/Player.xsd"/>
 	<xs:include schemaLocation="Components/Camera.xsd"/>
@@ -13,4 +13,9 @@
 	<xs:include schemaLocation="Components/Health.xsd"/>
 	<xs:include schemaLocation="Components/Listener.xsd"/>
 	<xs:include schemaLocation="Components/SoundEmitter.xsd"/>
+	<xs:include schemaLocation="Components/Collidable.xsd"/>
+	<xs:include schemaLocation="Components/Spawner.xsd"/>
+	<xs:include schemaLocation="Components/SpawnPoint.xsd"/>
+	<xs:include schemaLocation="Components/PlayerSpawn.xsd"/>
+	<xs:include schemaLocation="Components/Team.xsd"/>
 </xs:schema>

resources/Schema/Components/AABB.xml

@@ -1,4 +1,5 @@
-<c:AABB>
-	<BoxCenter X="0" Y="0" Z="0"/>
-	<BoxSize X="1" Y="1" Z="1"/>
-</c:AABB>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<AABB xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="AABB.xsd">
+	<Origin X="0" Y="0" Z="0"/>
+	<Size X="1" Y="1" Z="1"/>
+</AABB>

resources/Schema/Components/AABB.xsd

@@ -6,8 +6,12 @@
 	<xs:element name="AABB">
 		<xs:complexType>
 			<xs:all>
-				<xs:element name="BoxCenter" type="t:Vector" minOccurs="0"/>
-				<xs:element name="BoxSize" type="t:Vector" minOccurs="0"/>
+				<xs:element name="Origin" type="t:Vector" minOccurs="0">
+					<xs:annotation><xs:documentation>Middle point of the bounding box</xs:documentation></xs:annotation>
+				</xs:element>
+				<xs:element name="Size" type="t:Vector" minOccurs="0">
+					<xs:annotation><xs:documentation>Size of the bounding box</xs:documentation></xs:annotation>
+				</xs:element>
 			</xs:all>
 		</xs:complexType>
 	</xs:element>

resources/Schema/Components/Camera.xml

@@ -1,6 +1,7 @@
-<c:Camera>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Camera xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Camera.xsd">
 	<Name>cam</Name>
-	<FOV>60.0</FOV>
+	<FOV>45</FOV>
 	<NearClip>0.01</NearClip>
 	<FarClip>5000</FarClip>
-</c:Camera>
+</Camera>

resources/Schema/Components/Camera.xsd

@@ -10,7 +10,9 @@
 		<xs:complexType>
 			<xs:all>
 				<xs:element name="Name" type="t:string" minOccurs="0"/>
-				<xs:element name="FOV" type="t:double" minOccurs="0"/>
+				<xs:element name="FOV" type="t:double" minOccurs="0">
+					<xs:annotation><xs:documentation>Vertical Field of View in degrees</xs:documentation></xs:annotation>
+				</xs:element>
 				<xs:element name="NearClip" type="t:double" minOccurs="0"/>
 				<xs:element name="FarClip" type="t:double" minOccurs="0"/>
 			</xs:all>

resources/Schema/Components/Collidable.xml

@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Collidable xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Collidable.xsd">
+</Collidable>

resources/Schema/Components/Collidable.xsd

@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:t="types">
+	<xs:import schemaLocation="../Types.xsd" namespace="types"/>
+
+	<xs:element name="Collidable">
+	</xs:element>
+</xs:schema>

resources/Schema/Components/Health.xml

@@ -1,4 +1,5 @@
-<c:Health>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Health xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Health.xsd">
 	<Health>100</Health>
 	<MaxHealth>100</MaxHealth>
-</c:Health>
+</Health>

resources/Schema/Components/Listener.xml

@@ -1,3 +1,2 @@
-<c:Listener>
-
-</c:Listener>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Listener xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Listener.xsd"/>

resources/Schema/Components/Model.xml

@@ -1,5 +1,6 @@
-<c:Model>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Model xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Model.xsd">
 	<Resource></Resource>
 	<Color R="1" G="1" B="1" A="1"/>
 	<Visible>true</Visible>
-</c:Model>
+</Model>

resources/Schema/Components/Physics.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Physics xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Physics.xsd">
+	<Velocity X="0" Y="0" Z="0"/>
+	<Gravity>true</Gravity>
+</Physics>

resources/Schema/Components/Physics.xsd

@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:t="types">
+	<xs:import schemaLocation="../Types.xsd" namespace="types"/>
+
+	<xs:element name="Physics">
+		<xs:annotation>
+			<xs:documentation>Physics stuff</xs:documentation>
+		</xs:annotation>
+		<xs:complexType>
+			<xs:all>
+				<xs:element name="Velocity" type="t:Vector" minOccurs="0"/>
+				<xs:element name="Gravity" type="t:bool" minOccurs="0"/>
+			</xs:all>
+		</xs:complexType>
+	</xs:element>
+</xs:schema>

resources/Schema/Components/Player.xml

@@ -1,7 +1,8 @@
-<c:Player>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Player xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Player.xsd">
 	<Velocity X="0" Y="0" Z="0"/>
 	<Forward>false</Forward>
 	<Left>false</Left>
 	<Back>false</Back>
 	<Right>false</Right>
-</c:Player>
+</Player>

resources/Schema/Components/PlayerSpawn.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<PlayerSpawn xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="PlayerSpawn.xsd"/>

resources/Schema/Components/PlayerSpawn.xsd

@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:t="types">
+	<xs:import schemaLocation="../Types.xsd" namespace="types"/>
+
+	<xs:element name="PlayerSpawn">
+		<xs:annotation>
+			<xs:documentation>Combined with a Spawner and a Team component, defines a spawn point for a player team.</xs:documentation>
+		</xs:annotation>
+	</xs:element>
+</xs:schema>

resources/Schema/Components/PointLight.xml

@@ -1,7 +1,8 @@
-<c:PointLight>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<PointLight xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="PointLight.xsd">
 	<Color R="1" G="1" B="1" A="1"/>
 	<Radius>1.0</Radius>
 	<Intensity>0.8</Intensity>
 	<Falloff>0.3</Falloff>
 	<Visible>true</Visible>
-</c:PointLight>
+</PointLight>

resources/Schema/Components/PointLight.xsd

@@ -12,7 +12,14 @@
 				<xs:element name="Color" type="t:Color" minOccurs="0"/>
 				<xs:element name="Radius" type="t:double" minOccurs="0"/>
 				<xs:element name="Intensity" type="t:double" minOccurs="0"/>
-				<xs:element name="Falloff" type="t:double" minOccurs="0" minInclusive="0" maxInclusive="1"/>
+				<xs:element name="Falloff">
+					<xs:simpleType>
+						<xs:restriction base="t:double">
+							<xs:minInclusive value="0"/>
+							<xs:maxInclusive value="1"/>
+						</xs:restriction>
+					</xs:simpleType>
+				</xs:element>
 				<xs:element name="Visible" type="t:bool" minOccurs="0"/>
 			</xs:all>
 		</xs:complexType>

resources/Schema/Components/RaptorCopter.xml

@@ -1,4 +1,5 @@
-<c:RaptorCopter>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<RaptorCopter xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="RaptorCopter.xsd">
 	<Speed>0</Speed>
 	<Axis X="0" Y="0" Z="0"/>
-</c:RaptorCopter>
+</RaptorCopter>

resources/Schema/Components/SoundEmitter.xml

@@ -1,4 +1,5 @@
-<c:SoundEmitter>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<SoundEmitter xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="SoundEmitter.xsd">
 	<FilePath></FilePath>
 	<Gain>1.0</Gain>
 	<Pitch>1.0</Pitch>
@@ -6,4 +7,4 @@
 	<MaxDistance>20.0</MaxDistance>
 	<RollOffFactor>1.0</RollOffFactor>
 	<ReferenceDistance>1.0</ReferenceDistance>
-</c:SoundEmitter>
+</SoundEmitter>

resources/Schema/Components/SoundEmitter.xsd

@@ -7,18 +7,24 @@
 		<xs:complexType>
 			<xs:all>
 				<xs:element name="FilePath" type="t:string" minOccurs="0"/>
-				<xs:element name="Gain" type="t:double" minOccurs="0"/>
-				<xs:annotation><xs:documentation>The "volume" of the emitter. A value betweeen 0-1</xs:documentation></xs:annotation>
-				<xs:element name="Pitch" type="t:double" minOccurs="0"/>
-				<xs:annotation><xs:documentation>The pitch of the emitter. A value betweeen 0-1</xs:documentation></xs:annotation>
-				<xs:element name="Loop" type="t:bool" minOccurs="0"/>
-				<xs:annotation><xs:documentation>If the sound should loop or not.</xs:documentation></xs:annotation>
-				<xs:element name="MaxDistance" type="t:double" minOccurs="0"/>
-				<xs:annotation><xs:documentation>The distance where there will no longer be any attenuation.</xs:documentation></xs:annotation>
-				<xs:element name="RollOffFactor" type="t:double" minOccurs="0"/>
-				<xs:annotation><xs:documentation>The rolloff rate of the source.</xs:documentation></xs:annotation>
-				<xs:element name="ReferenceDistance" type="t:double" minOccurs="0"/>
-				<xs:annotation><xs:documentation>The distance that the source will be the loudest.</xs:documentation></xs:annotation>
+				<xs:element name="Gain" type="t:double" minOccurs="0">
+					<xs:annotation><xs:documentation>The "volume" of the emitter. A value betweeen 0-1</xs:documentation></xs:annotation>
+				</xs:element>
+				<xs:element name="Pitch" type="t:double" minOccurs="0">
+					<xs:annotation><xs:documentation>The pitch of the emitter. A value betweeen 0-1</xs:documentation></xs:annotation>
+				</xs:element>
+				<xs:element name="Loop" type="t:bool" minOccurs="0">
+					<xs:annotation><xs:documentation>If the sound should loop or not.</xs:documentation></xs:annotation>
+				</xs:element>
+				<xs:element name="MaxDistance" type="t:double" minOccurs="0">
+					<xs:annotation><xs:documentation>The distance where there will no longer be any attenuation.</xs:documentation></xs:annotation>
+				</xs:element>
+				<xs:element name="RollOffFactor" type="t:double" minOccurs="0">
+					<xs:annotation><xs:documentation>The rolloff rate of the source.</xs:documentation></xs:annotation>
+				</xs:element>
+				<xs:element name="ReferenceDistance" type="t:double" minOccurs="0">
+					<xs:annotation><xs:documentation>The distance that the source will be the loudest.</xs:documentation></xs:annotation>
+				</xs:element>
 			</xs:all>
 		</xs:complexType>
 	</xs:element>

resources/Schema/Components/SpawnPoint.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<SpawnPoint xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="SpawnPoint.xsd"/>

resources/Schema/Components/SpawnPoint.xsd

@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:t="types">
+	<xs:import schemaLocation="../Types.xsd" namespace="types"/>
+
+	<xs:element name="SpawnPoint">
+		<xs:annotation>
+			<xs:documentation>Defines this entity as a spawn point for a parent Spawner</xs:documentation>
+		</xs:annotation>
+	</xs:element>
+</xs:schema>

resources/Schema/Components/Spawner.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Spawner xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Spawner.xsd">
+	<EntityFile></EntityFile>
+</Spawner>

resources/Schema/Components/Spawner.xsd

@@ -0,0 +1,18 @@
+<?xml version="1.0"?>
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:t="types">
+	<xs:import schemaLocation="../Types.xsd" namespace="types"/>
+
+	<xs:element name="Spawner">
+		<xs:annotation>
+			<xs:documentation>Randomly selects a child SpawnPoint component and spawns a copy of an entity template when receiving a SpawnerSpawn event. If no SpawnPoint is found it spawns from its own position.</xs:documentation>
+		</xs:annotation>
+		<xs:complexType>
+			<xs:all>
+				<xs:element name="EntityFile" type="t:string" minOccurs="0">
+					<xs:annotation><xs:documentation>The entity template to spawn</xs:documentation></xs:annotation>
+				</xs:element>
+			</xs:all>
+		</xs:complexType>
+	</xs:element>
+</xs:schema>

resources/Schema/Components/Team.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Team xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Team.xsd">
+	<Team><Spectator/></Team>
+</Team>

resources/Schema/Components/Team.xsd

@@ -0,0 +1,28 @@
+<?xml version="1.0"?>
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:t="types">
+	<xs:import schemaLocation="../Types.xsd" namespace="types"/>
+
+	<xs:complexType name="TeamEnum" mixed="true">
+		<xs:complexContent>
+			<xs:extension base="t:enum">
+				<xs:choice>
+					<xs:element name="Spectator" type="xs:integer" fixed="1" minOccurs="0"/>
+					<xs:element name="Red" type="xs:integer" fixed="2" minOccurs="0"/>
+					<xs:element name="Blue" type="xs:integer" fixed="3" minOccurs="0"/>
+				</xs:choice>
+			</xs:extension>
+		</xs:complexContent>
+	</xs:complexType>
+
+	<xs:element name="Team">
+		<xs:annotation>
+			<xs:documentation>Represents entity team affiliation</xs:documentation>
+		</xs:annotation>
+		<xs:complexType>
+			<xs:all>
+				<xs:element name="Team" type="TeamEnum" minOccurs="0"/>
+			</xs:all>
+		</xs:complexType>
+	</xs:element>
+</xs:schema>

resources/Schema/Components/Transform.xml

@@ -1,5 +1,6 @@
-<c:Transform>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Transform xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Transform.xsd">
 	<Position X="0" Y="0" Z="0"/>
 	<Orientation X="0" Y="0" Z="0"/>
 	<Scale X="1" Y="1" Z="1"/>
-</c:Transform>
+</Transform>

resources/Schema/Components/Trigger.xml

@@ -1,2 +1,3 @@
-<c:Trigger>
-</c:Trigger>
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Trigger xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Trigger.xsd">
+</Trigger>

resources/Schema/Entities/CollisionTest1.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Entity xmlns:c="components" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../Types/Entity.xsd">
+
+  <Components>
+    <c:Transform/>
+  </Components>
+
+  <Children>
+    <Entity>
+      <Components>
+        <c:AABB/>
+        <c:Collidable>
+          <Static>false</Static>
+        </c:Collidable>
+        <c:Transform>
+          <Position X="1.5" Y="0" Z="-7"/>
+        </c:Transform>
+      </Components>
+      <Children/>
+    </Entity>
+    <Entity>
+      <Components>
+        <c:Collidable>
+          <Static>false</Static>
+        </c:Collidable>
+        <c:Model>
+          <Resource>Models/Core/UnitCube.obj</Resource>
+          <Color A="1" B="0" G="1" R="0"/>
+        </c:Model>
+        <c:Transform>
+          <Position X="2" Y="0" Z="-7"/>
+        </c:Transform>
+      </Components>
+      <Children/>
+    </Entity>
+  </Children>
+
+</Entity>

resources/Schema/Entities/Empty.xml

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
-<Entity xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../Types/Entity.xsd" xmlns:c="components">
+<Entity xmlns:c="components" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../Types/Entity.xsd">
+
   <Components>
     <c:Transform/>
   </Components>
+
+  <Children/>
+
 </Entity>

resources/Schema/Entities/MovementTest.xml

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Entity xmlns:c="components" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../Types/Entity.xsd">
+
+  <Components>
+    <c:Transform/>
+  </Components>
+
+  <Children>
+    <Entity>
+      <Components>
+        <c:Camera/>
+        <c:Transform/>
+      </Components>
+      <Children/>
+    </Entity>
+    <Entity>
+      <Components>
+        <c:AABB/>
+        <c:Collidable/>
+        <c:Model>
+          <Resource>Models/Core/UnitCube.obj</Resource>
+          <Color A="1" B="0.513725519" G="0" R="1"/>
+        </c:Model>
+        <c:Transform>
+          <Position X="0" Y="2" Z="0"/>
+          <Scale X="5" Y="1" Z="5"/>
+        </c:Transform>
+      </Components>
+      <Children/>
+    </Entity>
+    <Entity name="Player">
+      <Components>
+        <c:AABB>
+          <Origin X="0" Y="0.773000062" Z="0"/>
+          <Size X="1" Y="1.60000002" Z="1"/>
+        </c:AABB>
+        <c:Collidable/>
+        <c:Physics/>
+        <c:Model>
+          <Resource>Models/Assault.obj</Resource>
+          <Color A="1" B="1" G="0" R="0"/>
+        </c:Model>
+        <c:Player/>
+        <c:Transform>
+          <Position X="0" Y="2.52699995" Z="0.0542778969"/>
+        </c:Transform>
+      </Components>
+      <Children/>
+    </Entity>
+    <Entity>
+      <Components>
+        <c:AABB/>
+        <c:Collidable/>
+        <c:Physics>
+          <Velocity X="0" Y="-0.0934068039" Z="0"/>
+        </c:Physics>
+        <c:Model>
+          <Resource>Models/Core/UnitCube.obj</Resource>
+          <Color A="1" B="0" G="1" R="1"/>
+        </c:Model>
+        <c:Player/>
+        <c:Transform>
+          <Position X="0" Y="4.15580511" Z="0"/>
+          <Scale X="0.704558551" Y="0.115156889" Z="1"/>
+        </c:Transform>
+      </Components>
+      <Children/>
+    </Entity>
+  </Children>
+
+</Entity>

resources/Schema/Entities/OctreeTest.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Entity xmlns:c="components" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../Types/Entity.xsd">
+
+  <Components>
+    <c:Transform/>
+  </Components>
+
+  <Children>
+    <Entity>
+      <Components>
+        <c:AABB/>
+        <c:Collidable/>
+        <c:Model>
+          <Resource>Models/Core/UnitCube.obj</Resource>
+          <Color A="1" B="1" G="0" R="0"/>
+        </c:Model>
+        <c:Transform>
+          <Position X="-2" Y="0" Z="-7"/>
+        </c:Transform>
+      </Components>
+      <Children/>
+    </Entity>
+    <Entity>
+      <Components>
+        <c:AABB/>
+        <c:Collidable>
+          <Static>false</Static>
+        </c:Collidable>
+        <c:Model>
+          <Resource>Models/Core/UnitCube.obj</Resource>
+          <Color A="1" B="0" G="0" R="1"/>
+        </c:Model>
+        <c:Transform>
+          <Position X="1.5" Y="0" Z="-7"/>
+        </c:Transform>
+      </Components>
+      <Children/>
+    </Entity>
+    <Entity>
+      <Components>
+        <c:Collidable>
+          <Static>false</Static>
+        </c:Collidable>
+        <c:Model>
+          <Resource>Models/Core/UnitCube.obj</Resource>
+          <Color A="1" B="0" G="1" R="0"/>
+        </c:Model>
+        <c:Transform>
+          <Position X="2" Y="0" Z="-7"/>
+        </c:Transform>
+      </Components>
+      <Children/>
+    </Entity>
+  </Children>
+
+</Entity>

resources/Schema/Entities/Player.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Entity name="Player" xmlns:c="components" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../Types/Entity.xsd">
+
+  <Components>
+    <c:AABB/>
+    <c:Physics/>
+    <c:Collidable/>
+    <c:Model>
+      <Resource>Models/Core/UnitSphere.obj</Resource>
+      <Color A="1" B="1" G="0" R="0"/>
+    </c:Model>
+    <c:Player/>
+    <c:Transform/>
+  </Components>
+
+  <Children/>
+
+</Entity>

resources/Schema/Entities/SpawnTest.xml

@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Entity xmlns:c="components" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../Types/Entity.xsd">
+
+  <Components>
+    <c:Transform/>
+  </Components>
+
+  <Children>
+    <Entity>
+      <Components>
+        <c:PlayerSpawn/>
+        <c:Spawner>
+          <EntityFile>Schema/Entities/Player.xml</EntityFile>
+        </c:Spawner>
+        <c:Team>
+          <Team>2</Team>
+        </c:Team>
+        <c:Transform>
+          <Position X="11.2723322" Y="1.28011799" Z="3.66820574"/>
+        </c:Transform>
+      </Components>
+      <Children>
+        <Entity>
+          <Components>
+            <c:SpawnPoint/>
+            <c:Model>
+              <Resource>Models/Core/UnitSphere.obj</Resource>
+            </c:Model>
+            <c:Transform>
+              <Position X="0" Y="0" Z="1.26689196"/>
+              <Scale X="0.300000012" Y="0.300000012" Z="0.300000012"/>
+            </c:Transform>
+          </Components>
+          <Children/>
+        </Entity>
+        <Entity>
+          <Components>
+            <c:SpawnPoint/>
+            <c:Model>
+              <Resource>Models/Core/UnitSphere.obj</Resource>
+            </c:Model>
+            <c:Transform>
+              <Position X="0" Y="0" Z="-1.14786315"/>
+              <Scale X="0.300000012" Y="0.300000012" Z="0.300000012"/>
+            </c:Transform>
+          </Components>
+          <Children/>
+        </Entity>
+      </Children>
+    </Entity>
+    <Entity>
+      <Components>
+        <c:Camera/>
+        <c:Listener/>
+        <c:Transform>
+          <Position X="-0.123331964" Y="7.64918661" Z="6.59480286"/>
+          <Orientation X="-0.500915647" Y="-1.35800648" Z="-7.76194497e-07"/>
+        </c:Transform>
+      </Components>
+      <Children/>
+    </Entity>
+  </Children>
+
+</Entity>

resources/Schema/Entities/TeamTest.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Entity xmlns:c="components" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../Types/Entity.xsd">
+
+  <Components>
+    <c:Team>
+      <Team>3</Team>
+    </c:Team>
+    <c:Transform/>
+  </Components>
+
+  <Children/>
+
+</Entity>

resources/Schema/Types.xsd

@@ -4,6 +4,9 @@
 	<xs:include schemaLocation="Types/Quaternion.xsd"/>
 	<xs:include schemaLocation="Types/Vector.xsd"/>
 	<xs:include schemaLocation="Types/Color.xsd"/>
+	<xs:complexType name="enum" mixed="true">
+		<xs:choice></xs:choice>
+	</xs:complexType>
 	<xs:simpleType name="bool">
 		<xs:restriction base="xs:boolean"></xs:restriction>
 	</xs:simpleType>

resources/Schema/Types/Entity.xsd

@@ -11,14 +11,22 @@
 					<xs:complexType>
 						<xs:all>
 							<xs:element ref="c:Transform" minOccurs="0"/>
+							<xs:element ref="c:Physics" minOccurs="0"/>
 							<xs:element ref="c:Model" minOccurs="0"/>
-							<xs:element ref="c:Test" minOccurs="0"/>
 							<xs:element ref="c:RaptorCopter" minOccurs="0"/>
 							<xs:element ref="c:Player" minOccurs="0"/>
+							<xs:element ref="c:Camera" minOccurs="0"/>
+							<xs:element ref="c:AABB" minOccurs="0"/>
+							<xs:element ref="c:Trigger" minOccurs="0"/>
 							<xs:element ref="c:Health" minOccurs="0"/>
 							<xs:element ref="c:PointLight" minOccurs="0"/>
 							<xs:element ref="c:Listener" minOccurs="0"/>
 							<xs:element ref="c:SoundEmitter" minOccurs="0"/>
+							<xs:element ref="c:Collidable" minOccurs="0"/>
+							<xs:element ref="c:Spawner" minOccurs="0"/>
+							<xs:element ref="c:SpawnPoint" minOccurs="0"/>
+							<xs:element ref="c:PlayerSpawn" minOccurs="0"/>
+							<xs:element ref="c:Team" minOccurs="0"/>
 						</xs:all>
 					</xs:complexType>
 				</xs:element>

src/Engine/Collision/CollidableOctreeSystem.cpp

@@ -0,0 +1,18 @@
+#include "Collision/CollidableOctreeSystem.h"
+
+void CollidableOctreeSystem::Update(World* world, double dt)
+{
+    m_Octree->ClearDynamicObjects();
+}
+
+void CollidableOctreeSystem::UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt)
+{
+    if (entity.HasComponent("AABB")) {
+        boost::optional<AABB> absoluteAABB = Collision::EntityAbsoluteAABB(entity);
+        if (absoluteAABB) {
+            m_Octree->AddDynamicObject(*absoluteAABB);
+        }
+    } else if (entity.HasComponent("Model")) {
+        // TODO: Derive AABB from model
+    }
+}

src/Engine/Collision/Collision.cpp

@@ -13,7 +13,7 @@ bool RayAABBIntr(const Ray& ray, const AABB& box)
 {
     glm::vec3 w = 75.0f * ray.Direction();
     glm::vec3 v = glm::abs(w);
-    glm::vec3 c = ray.Origin() - box.Center() + w;
+    glm::vec3 c = ray.Origin() - box.Origin() + w;
     glm::vec3 half = box.HalfSize();
 
     if (abs(c.x) > v.x + half.x) {
@@ -68,8 +68,8 @@ bool RayVsAABB(const Ray& ray, const AABB& box, float& outDistance)
 
 bool AABBVsAABB(const AABB& a, const AABB& b)
 {
-    const glm::vec3& aCenter = a.Center();
-    const glm::vec3& bCenter = b.Center();
+    const glm::vec3& aCenter = a.Origin();
+    const glm::vec3& bCenter = b.Origin();
     const glm::vec3& aHSize = a.HalfSize();
     const glm::vec3& bHSize = b.HalfSize();
     //Test will probably exit because of the X and Z axes more often, so test them first.
@@ -199,11 +199,51 @@ bool RayVsModel(const Ray& ray,
     return hit;
 }
 
+bool AABBvsTriangles(const AABB& box, const std::vector<RawModel::Vertex>& modelVertices, const std::vector<unsigned int>& modelIndices, const glm::mat4& modelMatrix, glm::vec3& outResolutionVector)
+{
+    bool hit = false;
+    
+    const glm::vec3& origin = box.Origin();
+    const glm::vec3& min = box.MinCorner();
+    const glm::vec3& max = box.MaxCorner();
+
+    outResolutionVector.x = INFINITY;
+
+    for (int i = 0; i < modelIndices.size(); ++i) {
+        glm::vec3 p = modelVertices[i].Position;
+        p = glm::vec3(modelMatrix * glm::vec4(p.x, p.y, p.z, 1));
+
+        float distFromOrigin = glm::abs(origin.x - p.x);
+        float penetration = box.HalfSize().x - distFromOrigin;
+        if (penetration > 0 && penetration < glm::abs(outResolutionVector.x)) {
+            if (p.x > origin.x) {
+                outResolutionVector.x = -penetration;
+            } else {
+                outResolutionVector.x = penetration;
+            }
+            hit = true;
+        }
+        //glm::vec3 pLocal = origin - p;
+        //for (int axis = 0; axis < 3; ++axis) {
+        //    if (p[axis] < min[axis] || p[axis] > max[axis]) {
+        //        continue;
+        //    }
+
+        //    if (glm::abs(pLocal[axis]) < box.HalfSize()[axis]) {
+        //        outResolutionVector[axis] = (glm::sign(pLocal[axis]) * box.HalfSize()[axis]) - pLocal[axis];
+        //        hit = true;
+        //    }
+        //}
+    }
+
+    return hit;
+}
+
 bool IsSameBoxProbably(const AABB& first, const AABB& second, const float epsilon)
 {
     const glm::vec3& ma1 = first.MaxCorner();
-    const glm::vec3& ma2 = first.MaxCorner();
-    const glm::vec3& mi1 = second.MinCorner();
+    const glm::vec3& ma2 = second.MaxCorner();
+    const glm::vec3& mi1 = first.MinCorner();
     const glm::vec3& mi2 = second.MinCorner();
     return (std::abs(ma1.x - ma2.x) < epsilon) &&
         (std::abs(mi1.x - mi2.x) < epsilon) &&
@@ -238,45 +278,23 @@ bool attachAABBComponentFromModel(World* world, EntityID id)
         mini.y = std::min(wPos.y, mini.y);
         mini.z = std::min(wPos.z, mini.z);
     }
-    collision["BoxCenter"] = 0.5f * (maxi + mini);
-    collision["BoxSize"] = maxi - mini;
+    collision["Origin"] = 0.5f * (maxi + mini);
+    collision["Size"] = maxi - mini;
     return true;
 }
 
-bool GetEntityBox(World* world, ComponentWrapper& AABBComponent, AABB& outBox)
+boost::optional<AABB> EntityAbsoluteAABB(EntityWrapper& entity)
 {
-    ComponentWrapper& cTrans = world->GetComponent(AABBComponent.EntityID, "Transform");
-    ComponentWrapper model = world->GetComponent(AABBComponent.EntityID, "Model");
-    Model* modelRes = ResourceManager::Load<Model>(model["Resource"]);
-    outBox.CreateFromCenter(AABBComponent["BoxCenter"], AABBComponent["BoxSize"]);
-    glm::vec3 mini = outBox.MinCorner();
-    glm::vec3 maxi = outBox.MaxCorner();
-
-    if (modelRes == nullptr) {
-        return false;
-    }
-    glm::mat4 modelMatrix = modelRes->Matrix() *
-        glm::translate(glm::mat4(), (glm::vec3)cTrans["Position"]) *
-        glm::scale((glm::vec3)cTrans["Scale"]);
-
-    outBox = AABB(modelMatrix * glm::vec4(mini.x, mini.y, mini.z, 1),
-        modelMatrix * glm::vec4(maxi.x, maxi.y, maxi.z, 1));
-    return true;
-}
-
-bool GetEntityBox(World* world, EntityID entity, AABB& outBox, bool forceBoxFromModel)
-{
-    if (!world->HasComponent(entity, "AABB")) {
-        if (forceBoxFromModel) {
-            if (!attachAABBComponentFromModel(world, entity))
-                return false;
-        } else {
-            return false;
-        }
+    if (!entity.HasComponent("AABB")) {
+        return boost::none;
     }
 
-    ComponentWrapper& cBox = world->GetComponent(entity, "AABB");
-    return GetEntityBox(world, cBox, outBox);
+    ComponentWrapper& cAABB = entity["AABB"];
+    glm::vec3 absPosition = Transform::AbsolutePosition(entity.World, entity.ID);
+    glm::vec3 absScale = Transform::AbsoluteScale(entity.World, entity.ID);
+    glm::vec3 origin = absPosition + (glm::vec3)cAABB["Origin"];
+    glm::vec3 size = (glm::vec3)cAABB["Size"] * absScale;
+    return AABB::FromOriginSize(origin, size);
 }
 
 }

src/Engine/Collision/CollisionSystem.cpp

@@ -2,33 +2,60 @@
 #include "Collision/CollisionSystem.h"
 #include "Core/AABB.h"
 
-void CollisionSystem::UpdateComponent(World * world, ComponentWrapper & cAABB, double dt)
+void CollisionSystem::UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt)
 {
-    //Right now, cAABB is a component attached to any entity that should be collideable.
-    AABB thisBox;
-    if (!Collision::GetEntityBox(world, cAABB, thisBox)) {
+    if (!entity.HasComponent("Physics")) {
         return;
     }
+    ComponentWrapper& cPhysics = entity["Physics"];
+
+    boost::optional<AABB> boundingBox = Collision::EntityAbsoluteAABB(entity);
+    if (!boundingBox) {
+        return;
+    }
+    ComponentWrapper& cTransform = entity["Transform"];
+    AABB& boxA = *boundingBox;
+
     //Press 'Z' to enable/disable collision.
     if (zPress) {
         return;
     }
-    //Here, mover should be an object that moves, currently only players.
-    for (auto& mover : *world->GetComponents("Player")) {
-        if (cAABB.EntityID == mover.EntityID) {
+
+    // Collide against octree
+    std::vector<AABB> octreeResult;
+    m_Octree->ObjectsInSameRegion(*boundingBox, octreeResult);
+    for (auto& boxB : octreeResult) {
+        glm::vec3 resolutionVector;
+        if (Collision::IsSameBoxProbably(boxA, boxB)) {
             continue;
         }
-        AABB otherBox;
-        if (!Collision::GetEntityBox(world, mover.EntityID, otherBox)) {
-            continue;
-        }
-        glm::vec3 resolveTranslation;
-        if (Collision::AABBVsAABB(otherBox, thisBox, resolveTranslation)) {
-            ComponentWrapper& trans = world->GetComponent(mover.EntityID, "Transform");
-            //TODO: Special treatment if both are movers.
-            trans["Position"] = (glm::vec3)trans["Position"] + resolveTranslation;
+        if (Collision::AABBVsAABB(boxA, boxB, resolutionVector)) {
+            (glm::vec3&)cTransform["Position"] += resolutionVector;
+            cPhysics["Velocity"] = glm::vec3(0, 0, 0);
         }
     }
+
+    // HACK: Temporarily collide against all collidable models since they're not in the octree yet
+    //auto otherCollidables = world->GetComponents("Model");
+    //for (auto& cModel : *otherCollidables) {
+    //    if (cModel.EntityID == entity) {
+    //        continue;
+    //    }
+    //    if (!world->HasComponent(cModel.EntityID, "Collidable")) {
+    //        continue;
+    //    }
+
+    //    auto absPosition = RenderQueueFactory::AbsolutePosition(world, cModel.EntityID);
+    //    auto absOrientation = RenderQueueFactory::AbsoluteOrientation(world, cModel.EntityID);
+    //    auto absScale = RenderQueueFactory::AbsoluteScale(world, cModel.EntityID);
+    //    glm::mat4 modelMatrix = glm::translate(absPosition); // *glm::toMat4(absOrientation) * glm::scale(absScale);
+
+    //    auto model = ResourceManager::Load<Model>(cModel["Resource"]);
+    //    glm::vec3 resolutionVector;
+    //    if (Collision::AABBvsTriangles(boxA, model->m_Vertices, model->m_Indices, modelMatrix, resolutionVector)) {
+    //        (glm::vec3&)cTransform["Position"] += resolutionVector;
+    //    }
+    //}
 }
 
 bool CollisionSystem::OnKeyUp(const Events::KeyUp & event)

src/Engine/Collision/TriggerSystem.cpp

@@ -3,27 +3,27 @@
 #include "Core/AABB.h"
 #include "Rendering/Model.h"
 
-void TriggerSystem::UpdateComponent(World* world, ComponentWrapper& trigger, double dt)
+void TriggerSystem::UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt)
 {
     //Currently only players can trigger things.
     auto players = world->GetComponents("Player");
     if (players == nullptr) {
         return;
     }
-    EntityID tId = trigger.EntityID;
-    AABB triggerBox;
+    EntityID tId = component.EntityID;
+    boost::optional<AABB> triggerBox = Collision::EntityAbsoluteAABB(entity);
     //The trigger *should* have a bounding box, or something, to test against so it can be triggered.
-    if (!Collision::GetEntityBox(world, tId, triggerBox, true)) {
+    if (!triggerBox) {
         return;
     }
     for (auto& pc : *players) {
         EntityID pId = pc.EntityID;
-        AABB playerBox;
+        boost::optional<AABB> playerBox = Collision::EntityAbsoluteAABB(EntityWrapper(world, pId));
         //The player can't trigger anything without an AABB.
-        if (!Collision::GetEntityBox(world, pId, playerBox, true)) {
+        if (!playerBox) {
             continue;
         }
-        if (!Collision::AABBVsAABB(triggerBox, playerBox)) {
+        if (!Collision::AABBVsAABB(*triggerBox, *playerBox)) {
             //Entity is not touching the trigger,
             //Throw event if it was previously.
             if (throwLeaveIfWasInTrigger(m_EntitiesTouchingTrigger[tId], pId, tId)) {
@@ -35,9 +35,11 @@ void TriggerSystem::UpdateComponent(World* world, ComponentWrapper& trigger, dou
         } else {
             //Entity is at least touching the trigger.
             AABB completelyInsideBox;
-            completelyInsideBox.CreateFromCenter(triggerBox.Center(), triggerBox.Size() - 2.0f * playerBox.Size());
-            if (Collision::AABBVsAABB(completelyInsideBox, playerBox) &&
-                glm::all(glm::greaterThan(triggerBox.Size(), playerBox.Size()))) {
+            bool playerFitsInTrigger = glm::all(glm::greaterThan((*triggerBox).Size(), (*playerBox).Size()));
+            if (playerFitsInTrigger) {
+                completelyInsideBox = AABB::FromOriginSize((*triggerBox).Origin(), (*triggerBox).Size() - 2.0f * (*playerBox).Size());
+            }
+            if (playerFitsInTrigger && Collision::AABBVsAABB(completelyInsideBox, *playerBox)) {
                 //Entity is completely inside the trigger.
                 //If it was only touching before, it is erased.
                 m_EntitiesTouchingTrigger[tId].erase(pId);
@@ -79,3 +81,20 @@ bool TriggerSystem::throwLeaveIfWasInTrigger(std::unordered_set<EntityID>& trigg
     return false;
 }
 
+bool TriggerSystem::OnTouch(const Events::TriggerTouch &event)
+{
+    LOG_INFO("Player entity %i touched trigger entity %i.", event.Entity, event.Trigger);
+    return true;
+}
+
+bool TriggerSystem::OnEnter(const Events::TriggerEnter &event)
+{
+    LOG_INFO("Player entity %i entered trigger entity %i.", event.Entity, event.Trigger);
+    return true;
+}
+
+bool TriggerSystem::OnLeave(const Events::TriggerLeave &event)
+{
+    LOG_INFO("Player entity %i left trigger entity %i.", event.Entity, event.Trigger);
+    return true;
+}

src/Engine/Core/AABB.cpp

@@ -4,7 +4,7 @@
 AABB::AABB(const glm::vec3& minPos, const glm::vec3& maxPos)
     : m_MinCorner(minPos)
     , m_MaxCorner(maxPos)
-    , m_Center(0.5f * (maxPos + minPos))
+    , m_Origin(0.5f * (maxPos + minPos))
     , m_HalfSize(0.5f * (maxPos - minPos))
 {
     DEBUG_IF(glm::any(glm::lessThan(m_MaxCorner, m_MinCorner))) {
@@ -15,20 +15,19 @@ AABB::AABB(const glm::vec3& minPos, const glm::vec3& maxPos)
         m_MinCorner.y = glm::min(m_MaxCorner.y, m_MinCorner.y);
         m_MaxCorner.z = glm::max(m_MaxCorner.z, m_MinCorner.z);
         m_MinCorner.z = glm::min(m_MaxCorner.z, m_MinCorner.z);
+        m_Origin = 0.5f * (m_MaxCorner + m_MinCorner);
+        m_HalfSize = 0.5f * (m_MaxCorner - m_MinCorner);
     }
 }
 
 AABB::AABB(const glm::vec4& minPos, const glm::vec4& maxPos)
     : AABB(glm::vec3(minPos), glm::vec3(maxPos))
-{}
+{ }
 
-void AABB::CreateFromCenter(const glm::vec3& center, const glm::vec3& size)
+AABB AABB::FromOriginSize(const glm::vec3& origin, const glm::vec3& size)
 {
-    m_Center = center;
-    m_HalfSize = 0.5f * size;
-    m_MinCorner = m_Center - m_HalfSize;
-    m_MaxCorner = m_Center + m_HalfSize;
+    return AABB(origin - (size/2.f), origin + (size/2.f));
 }
 
 AABB::~AABB()
-{}
+{ }

src/Engine/Core/EntityFile.cpp

@@ -21,14 +21,24 @@ void EntityFile::Parse(const EntityFileHandler* handler) const
     using namespace xercesc;
 
     EntityFileSAXHandler saxHandler(handler, nullptr);
-    m_SAX2XMLReader->setFeature(XMLUni::fgXercesCacheGrammarFromParse, true);
-    m_SAX2XMLReader->setFeature(XMLUni::fgXercesUseCachedGrammarInParse, true);
+    setReaderFeatures(m_SAX2XMLReader);
     m_SAX2XMLReader->setContentHandler(&saxHandler);
     m_SAX2XMLReader->setErrorHandler(&saxHandler);
     m_SAX2XMLReader->setDeclarationHandler(&saxHandler);
     m_SAX2XMLReader->parse(m_FilePath.string().c_str());
 }
 
+void EntityFile::setReaderFeatures(xercesc::SAX2XMLReader* reader)
+{
+    using namespace xercesc;
+    reader->setFeature(XMLUni::fgXercesCacheGrammarFromParse, true);
+    reader->setFeature(XMLUni::fgXercesUseCachedGrammarInParse, true);
+    reader->setFeature(XMLUni::fgSAX2CoreValidation, true);
+    reader->setFeature(XMLUni::fgSAX2CoreNameSpaces, true);
+    reader->setFeature(XMLUni::fgXercesSchema, true);
+    reader->setFeature(XMLUni::fgXercesSchemaFullChecking, true);
+}
+
 std::size_t EntityFile::GetTypeStride(std::string typeName)
 {
     std::map<std::string, size_t> typeStrides{
@@ -37,6 +47,7 @@ std::size_t EntityFile::GetTypeStride(std::string typeName)
         { "float", sizeof(float) },
         { "double", sizeof(double) },
         { "string", sizeof(std::string) },
+        { "enum", sizeof(int) },
         { "Vector", sizeof(glm::vec3) },
         { "Quaternion", sizeof(glm::quat) },
         { "Color", sizeof(glm::vec4) }
@@ -75,7 +86,7 @@ void EntityFile::WriteAttributeData(char* outData, const ComponentInfo::Field_t&
 
 void EntityFile::WriteValueData(char* outData, const ComponentInfo::Field_t& field, const char* valueData)
 {
-    if (field.Type == "int") {
+    if (field.Type == "int" || field.Type == "enum") {
         int value = boost::lexical_cast<int>(valueData);
         memcpy(outData, reinterpret_cast<char*>(&value), field.Stride);
     } else if (field.Type == "float") {
@@ -93,3 +104,171 @@ void EntityFile::WriteValueData(char* outData, const ComponentInfo::Field_t& fie
         LOG_WARNING("Unknown value data type: %s", field.Type.c_str());
     }
 }
+
+EntityFileSAXHandler::EntityFileSAXHandler(const EntityFileHandler* handler, xercesc::SAX2XMLReader* reader) : m_Handler(handler)
+, m_Reader(reader)
+{
+    // 0 is imaginary base parent
+    m_EntityStack.push(0);
+    m_StateStack.push(State::Unknown);
+}
+
+void EntityFileSAXHandler::startElement(const XMLCh* const _uri, const XMLCh* const _localName, const XMLCh* const _qname, const xercesc::Attributes& attrs)
+{
+    std::string name = XS::ToString(_localName);
+
+    if (m_StateStack.top() == State::Unknown || m_StateStack.top() == State::Entity) {
+        if (name == "Entity") {
+            m_StateStack.push(State::Entity);
+            onStartEntity(attrs);
+            return;
+        }
+        if (name == "EntityRef") {
+            onStartEntityRef(attrs);
+            return;
+        }
+    }
+
+    std::string uri = XS::ToString(_uri);
+    if (m_StateStack.top() == State::Entity) {
+        if (uri == "components") {
+            m_StateStack.push(State::Component);
+            onStartComponent(name);
+            return;
+        }
+    }
+
+    if (m_StateStack.top() == State::Component) {
+        m_StateStack.push(State::ComponentField);
+        onStartComponentField(name, attrs);
+        return;
+    }
+}
+
+void EntityFileSAXHandler::endElement(const XMLCh* const _uri, const XMLCh* const _localName, const XMLCh* const _qname)
+{
+    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 EntityFileSAXHandler::characters(const XMLCh* const chars, const XMLSize_t length)
+{
+    if (m_StateStack.top() == State::ComponentField) {
+        char* transcoded = xercesc::XMLString::transcode(chars);
+        onFieldData(transcoded);
+    }
+}
+
+void EntityFileSAXHandler::fatalError(const xercesc::SAXParseException& e)
+{
+    XS::ToString s(e.getMessage());
+    LOG_ERROR("SAXParseException: %s", ((std::string)s).c_str());
+    //throw e;
+}
+
+void EntityFileSAXHandler::error(const xercesc::SAXParseException& e)
+{
+    XS::ToString s(e.getMessage());
+    LOG_ERROR("SAXParseException: %s", ((std::string)s).c_str());
+}
+
+void EntityFileSAXHandler::warning(const xercesc::SAXParseException& e)
+{
+    XS::ToString s(e.getMessage());
+    LOG_ERROR("SAXParseException: %s", ((std::string)s).c_str());
+}
+
+void EntityFileSAXHandler::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 EntityFileSAXHandler::onEndEntity()
+{
+    m_EntityStack.pop();
+}
+
+void EntityFileSAXHandler::onStartEntityRef(const xercesc::Attributes& attrs)
+{
+    std::string path = XS::ToString(attrs.getValue(XS::ToXMLCh("file")));
+
+    xercesc::SAX2XMLReader* reader = xercesc::XMLReaderFactory::createXMLReader();
+    EntityFile::setReaderFeatures(reader);
+    reader->setContentHandler(this);
+    reader->setErrorHandler(this);
+    reader->parse(path.c_str());
+    delete reader;
+}
+
+void EntityFileSAXHandler::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 EntityFileSAXHandler::onEndComponent(const std::string& name) { }
+
+void EntityFileSAXHandler::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 EntityFileSAXHandler::onEndComponentField(const std::string& field) { }
+
+void EntityFileSAXHandler::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);
+}

src/Engine/Core/EntityFileParser.cpp

@@ -9,17 +9,21 @@ EntityFileParser::EntityFileParser(const EntityFile* entityFile)
     m_Handler.SetStartFieldDataCallback(std::bind(&EntityFileParser::onFieldData, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4));
 }
 
-void EntityFileParser::MergeEntities(World* world)
+EntityID EntityFileParser::MergeEntities(World* world, EntityID baseParent /*= EntityID_Invalid */)
 {
     m_World = world;
-    m_EntityIDMapper[0] = 0;
+    m_EntityIDMapper[0] = baseParent;
     m_EntityFile->Parse(&m_Handler);
+    return m_FirstEntity;
 }
 
 void EntityFileParser::onStartEntity(EntityID entity, EntityID parent, const std::string& name)
 {
     EntityID realParent = m_EntityIDMapper.at(parent);
     EntityID realEntity = m_World->CreateEntity(realParent);
+    if (m_FirstEntity == EntityID_Invalid) {
+        m_FirstEntity = realEntity;
+    }
     if (!name.empty()) {
         m_World->SetName(realEntity, name);
     }
@@ -38,7 +42,12 @@ void EntityFileParser::onStartComponentField(EntityID entity, const std::string&
 {
     EntityID realEntity = m_EntityIDMapper.at(entity);
     ComponentWrapper component = m_World->GetComponent(realEntity, componentType);
-    auto& field = component.Info.Fields.at(fieldName);
+    auto fieldIt = component.Info.Fields.find(fieldName);
+    if (fieldIt == component.Info.Fields.end()) {
+        LOG_ERROR("Tried to set unknown field \"%s\" of component type \"%s\"! Ignoring.", fieldName.c_str(), componentType.c_str());
+        return;
+    }
+    auto& field = fieldIt->second;
 
     LOG_DEBUG("Field \"%s\" type \"%s\"", fieldName.c_str(), field.Type.c_str());
     LOG_DEBUG("Attributes:");
@@ -54,7 +63,11 @@ void EntityFileParser::onFieldData(EntityID entity, const std::string& component
 {
     EntityID realEntity = m_EntityIDMapper.at(entity);
     ComponentWrapper component = m_World->GetComponent(realEntity, componentType);
-    auto& field = component.Info.Fields.at(fieldName);
+    auto fieldIt = component.Info.Fields.find(fieldName);
+    if (fieldIt == component.Info.Fields.end()) {
+        return;
+    }
+    auto& field = fieldIt->second;
 
     char* data = component.Data + field.Offset;
     EntityFile::WriteValueData(data, field, fieldData);

src/Engine/Core/EntityFilePreprocessor.cpp

@@ -16,12 +16,12 @@ EntityFilePreprocessor::EntityFilePreprocessor(const EntityFile* entityFile)
 
     for (auto& kv : m_ComponentInfo) {
         auto& info = kv.second;
-        LOG_DEBUG("Component: %s (%s)", info.Name.c_str(), info.Meta.Annotation.c_str());
-        LOG_DEBUG("Stride: %i", info.Meta.Stride);
-        LOG_DEBUG("Allocation: %i", info.Meta.Allocation);
+        LOG_DEBUG("Component: %s (%s)", info.Name.c_str(), info.Meta->Annotation.c_str());
+        LOG_DEBUG("Stride: %i", info.Stride);
+        LOG_DEBUG("Allocation: %i", info.Meta->Allocation);
         for (auto& kv : info.Fields) {
             auto& field = kv.second;
-            LOG_DEBUG("\t%i\t%s %s", field.Offset, field.Type, kv.first.c_str());
+            LOG_DEBUG("\t%i\t%s %s", field.Offset, field.Type.c_str(), kv.first.c_str());
         }
     }
 
@@ -62,62 +62,36 @@ void EntityFilePreprocessor::parseComponentInfo()
         }
 
         ComponentInfo compInfo;
+        compInfo.Meta = std::make_shared<ComponentInfo::Meta_t>();
 
         // Name
         compInfo.Name = XS::ToString(element->getName());
         // Known allocation
-        compInfo.Meta.Allocation = m_ComponentCounts[compInfo.Name];
+        compInfo.Meta->Allocation = m_ComponentCounts[compInfo.Name];
         // Annotation
         auto componentAnnotation = element->getAnnotation();
         if (componentAnnotation != nullptr) {
-            // Parse annotation XML
-            char* annotationString = XMLString::transcode(componentAnnotation->getAnnotationString());
-            MemBufInputSource annotationInput(reinterpret_cast<const XMLByte*>(annotationString), strlen(annotationString), "MemBuf: Annotation String");
-            XercesDOMParser parser(nullptr, XMLPlatformUtils::fgMemoryManager, grammarPool);
-            parser.setErrorHandler(&errorHandler);
-            parser.parse(annotationInput);
-            XMLString::release(&annotationString);
-            auto doc = parser.getDocument();
-
-            // TODO: Add allocation estimations from external file on map-to-map basis
-            // Add allocation estimation(s)
-            //auto allocationTags = doc->getElementsByTagName(XSTR("meta:allocation"));
-            //for (int i = 0; i < allocationTags->getLength(); ++i) {
-            //    auto allocation = dynamic_cast<DOMElement*>(allocationTags->item(i));
-            //    auto child = allocation->getFirstChild();
-            //    if (child == nullptr) {
-            //        continue;
-            //    }
-
-            //    XSValue::Status status;
-            //    XSValue* val = XSValue::getActualValue(child->getNodeValue(), XSValue::dt_integer, status);
-            //    compInfo.Meta.Allocation += val->fData.fValue.f_int;
-            //}
-
-            // Save documentation string
-            auto documentationTags = doc->getElementsByTagName(XS::ToXMLCh("xs:documentation"));
-            if (documentationTags->getLength() != 0) {
-                auto child = documentationTags->item(0)->getFirstChild();
-                if (child != nullptr) {
-                    compInfo.Meta.Annotation = XS::ToString(child->getNodeValue());
-                }
-            }
+            compInfo.Meta->Annotation = parseAnnotationXML(componentAnnotation->getAnnotationString());
         } else {
-            LOG_WARNING("Component is missing an annotation!");
+            LOG_WARNING("Component \"%s\" is missing an annotation!", compInfo.Name.c_str());
         }
 
         // <xs:complexType>
         auto typeDefinition = element->getTypeDefinition();
+        // Allow empty components
+        if (typeDefinition == nullptr) {
+            continue;
+        }
         if (typeDefinition->getTypeCategory() != XSTypeDefinition::COMPLEX_TYPE) {
-            LOG_ERROR("Type definition wasn't COMPLEX_TYPE! Skipping.");
+            LOG_ERROR("Failed to parse component definition for \"%s\": Type definition wasn't COMPLEX_TYPE!", compInfo.Name.c_str());
             continue;
         }
         auto complexTypeDefinition = dynamic_cast<XSComplexTypeDefinition*>(typeDefinition);
 
         // <xs:all>
         auto modelGroupParticle = complexTypeDefinition->getParticle();
-        if (modelGroupParticle->getTermType() != XSParticle::TERM_MODELGROUP) {
-            LOG_ERROR("Model group particle wasn't TERM_MODELGROUP! Skipping.");
+        if (modelGroupParticle == nullptr || modelGroupParticle->getTermType() != XSParticle::TERM_MODELGROUP) {
+            LOG_ERROR("Failed to parse component definition for \"%s\": Model group particle was null or wasn't TERM_MODELGROUP!", compInfo.Name.c_str());
             continue;
         }
         auto modelGroup = modelGroupParticle->getModelGroupTerm();
@@ -129,31 +103,65 @@ void EntityFilePreprocessor::parseComponentInfo()
         for (unsigned int i = 0; i < particles->size(); ++i) {
             auto particle = particles->elementAt(i);
             if (particle->getTermType() != XSParticle::TERM_ELEMENT) {
-                LOG_ERROR("Particle wasn't TERM_ELEMENT! Skipping.");
+                LOG_ERROR("Failed to parse a field definition in component \"%s\": Particle wasn't TERM_ELEMENT! Skipping.", compInfo.Name.c_str());
                 continue;
             }
             auto elementDeclaration = particle->getElementTerm();
 
             std::string name = XS::ToString(elementDeclaration->getName());
             std::string type = XS::ToString(elementDeclaration->getTypeDefinition()->getName());
+            std::string typeNamespace = XS::ToString(elementDeclaration->getTypeDefinition()->getNamespace());
+            std::string baseType = XS::ToString(elementDeclaration->getTypeDefinition()->getBaseType()->getName());
 
+            std::string effectiveType = type;
             size_t stride = EntityFile::GetTypeStride(type);
             if (stride == 0) {
-                std::cout << "Warning: Field \"" << name << "\" in component \"" << compInfo.Name << "\" uses unexpected field type \"" << type << "\". Skipping." << std::endl;
-                continue;
+                stride = EntityFile::GetTypeStride(baseType);
+                if (stride == 0) {
+                    LOG_WARNING("Field \"%s\" in component \"%s\" uses unexpected field type \"%s\" with base type \"%s\". Skipping.", name.c_str(), compInfo.Name.c_str(), type.c_str(), baseType.c_str());
+                    continue;
+                }
+                effectiveType = baseType;
+            }
+
+            // Annotation
+            auto fieldAnnotation = elementDeclaration->getAnnotation();
+            if (fieldAnnotation != nullptr) {
+                compInfo.Meta->FieldAnnotations[name] = parseAnnotationXML(fieldAnnotation->getAnnotationString());
+            } else {
+                LOG_WARNING("Component field \"%s.%s\" is missing an annotation!", compInfo.Name.c_str(), name.c_str());
+            }
+
+            if (effectiveType == "enum") {
+                // Parse potential enum type definition for field type
+                if (compInfo.Meta->FieldEnumDefinitions.count(name) == 0) {
+                    auto enumTypeDefinition = xsModel->getTypeDefinition(XS::ToXMLCh(type), XS::ToXMLCh("components"));
+                    auto xsComplexType = dynamic_cast<XSComplexTypeDefinition*>(enumTypeDefinition);
+                    auto xsComplexContent = xsComplexType->getParticle();
+                    auto xsExtension = xsComplexContent->getModelGroupTerm();
+                    auto xsExtensionParticles = xsExtension->getParticles();
+                    auto xsChoice = xsExtensionParticles->elementAt(0)->getModelGroupTerm();
+                    auto xsChoiceParticles = xsChoice->getParticles();
+                    for (int i = 0; i < xsChoiceParticles->size(); ++i) {
+                        auto enumElement = xsChoiceParticles->elementAt(i)->getElementTerm();
+                        std::string enumName = XS::ToString(enumElement->getName());
+                        std::string enumValue = XS::ToString(enumElement->getConstraintValue());
+                        compInfo.Meta->FieldEnumDefinitions[name][enumName] = boost::lexical_cast<int>(enumValue);
+                        LOG_DEBUG("ENUM %s = %s", enumName.c_str(), enumValue.c_str());
+                    }
+                }
             }
 
             auto& field = compInfo.Fields[name];
             field.Name = name;
-            field.Type = type;
+            field.Type = effectiveType;
             field.Offset = fieldOffset;
             field.Stride = stride;
             compInfo.FieldsInOrder.push_back(name);
-
             fieldOffset += stride;
         }
 
-        compInfo.Meta.Stride = fieldOffset;
+        compInfo.Stride = fieldOffset;
         m_ComponentInfo[compInfo.Name] = compInfo;
     }
 }
@@ -166,13 +174,22 @@ void EntityFilePreprocessor::parseDefaults()
 
     for (auto& ci : m_ComponentInfo) {
         // Allocate memory for default values
-        ci.second.Defaults = std::shared_ptr<char>(new char[ci.second.Meta.Stride]);
-        memset(ci.second.Defaults.get(), 0, ci.second.Meta.Stride);
-
-        XercesDOMParser parser(nullptr, XMLPlatformUtils::fgMemoryManager);
-        parser.setErrorHandler(&errorHandler);
+        ci.second.Defaults = std::shared_ptr<char>(new char[ci.second.Stride]);
+        memset(ci.second.Defaults.get(), 0, ci.second.Stride);
 
         std::string componentName = ci.first;
+
+        XercesDOMParser parser(nullptr, XMLPlatformUtils::fgMemoryManager);
+        parser.setDoSchema(true);
+        parser.setDoNamespaces(true);
+        parser.setErrorHandler(&errorHandler);
+        parser.setValidationScheme(XercesDOMParser::Val_Always);
+        parser.setValidationSchemaFullChecking(true);
+        //parser.setDoNamespaces(true);
+        //boost::filesystem::path schemaLocation = "Schema/Components/" + componentName + ".xsd";
+        //std::string namespaceSchema = schemaLocation.string();
+        //parser.setExternalNoNamespaceSchemaLocation("Teamasdasdasdasd.xsd");
+
         LOG_DEBUG("Parsing defaults for component %s", componentName.c_str());
         boost::filesystem::path defaultsFile = "Schema/Components/" + componentName + ".xml";
 
@@ -184,7 +201,7 @@ void EntityFilePreprocessor::parseDefaults()
         }
 
         // Find the node in the components namespace matching the component name
-        std::string tagName = "c:" + componentName;
+        std::string tagName = componentName;
         auto rootNodes = doc->getElementsByTagName(XS::ToXMLCh(tagName));
         if (rootNodes->getLength() == 0) {
             LOG_ERROR("Couldn't find defaults for component \"%s\"! Skipping.", componentName.c_str());
@@ -217,9 +234,19 @@ void EntityFilePreprocessor::parseDefaults()
                 EntityFile::WriteAttributeData(data, field, attributes);
             }
 
-            // Handle potential field values
             auto childNode = fieldElement->getFirstChild();
-            if (childNode != nullptr && childNode->getNodeType() == DOMNode::TEXT_NODE) {
+            if (childNode == nullptr) {
+                continue;
+            }
+
+            // An enum will either have an element node with a text node inside,
+            // or contain a text node directly.
+            if (childNode->getNodeType() == DOMNode::ELEMENT_NODE) {
+                childNode = childNode->getFirstChild();
+            }
+
+            // Handle potential field values
+            if (childNode->getNodeType() == DOMNode::TEXT_NODE) {
                 char* cstrValue = XMLString::transcode(childNode->getNodeValue());
                 EntityFile::WriteValueData(data, field, cstrValue);
                 XMLString::release(&cstrValue);
@@ -228,3 +255,27 @@ void EntityFilePreprocessor::parseDefaults()
     }
 }
 
+std::string EntityFilePreprocessor::parseAnnotationXML(const XMLCh* xml)
+{
+    using namespace xercesc;
+
+    // Parse annotation XML
+    char* annotationString = XMLString::transcode(xml);
+    MemBufInputSource annotationInput(reinterpret_cast<const XMLByte*>(annotationString), strlen(annotationString), "MemBuf: Annotation String");
+    XercesDOMParser parser(nullptr, XMLPlatformUtils::fgMemoryManager);
+    //parser.setErrorHandler(&errorHandler);
+    parser.parse(annotationInput);
+    XMLString::release(&annotationString);
+    auto doc = parser.getDocument();
+
+    // Save documentation string
+    auto documentationTags = doc->getElementsByTagName(XS::ToXMLCh("xs:documentation"));
+    if (documentationTags->getLength() != 0) {
+        auto child = documentationTags->item(0)->getFirstChild();
+        if (child != nullptr) {
+            return XS::ToString(child->getNodeValue());
+        }
+    }
+
+    return std::string();
+}

src/Engine/Core/EntityFileWriter.cpp

@@ -114,7 +114,7 @@ void EntityFileWriter::appentEntityComponents(xercesc::DOMElement* parentElement
                 fieldElement->setAttribute(X("Y"), X(boost::lexical_cast<std::string>(q.y)));
                 fieldElement->setAttribute(X("Z"), X(boost::lexical_cast<std::string>(q.z)));
                 fieldElement->setAttribute(X("W"), X(boost::lexical_cast<std::string>(q.w)));
-            } else if (field.Type == "int") {
+            } else if (field.Type == "int" || field.Type == "enum") {
                 const int& value = c[fieldName];
                 fieldElement->appendChild(doc->createTextNode(X(boost::lexical_cast<std::string>(value))));
             } else if (field.Type == "float") {

src/Engine/Core/EntityWrapper.cpp

@@ -0,0 +1,30 @@
+#include "Core/EntityWrapper.h"
+#include "Core/World.h"
+
+const EntityWrapper EntityWrapper::Invalid = EntityWrapper(nullptr, EntityID_Invalid);
+
+bool EntityWrapper::operator==(const EntityWrapper& e)
+{
+    return (this->World == e.World) && (this->ID == e.ID);
+}
+
+bool EntityWrapper::HasComponent(const std::string& componentName)
+{
+    return World->HasComponent(ID, componentName);
+}
+
+ComponentWrapper EntityWrapper::operator[](const std::string& componentName)
+{
+    if (World->HasComponent(ID, componentName)) {
+        return World->GetComponent(ID, componentName);
+    } else {
+        LOG_WARNING("EntityWrapper implicitly attached \"%s\" component to #%i as a result of a fetch request!", componentName.c_str(), ID);
+        return World->AttachComponent(ID, componentName);
+    }
+}
+
+EntityWrapper::operator EntityID()
+{
+    return this->ID;
+}
+

src/Engine/Core/Octree.cpp

@@ -2,7 +2,7 @@
 #include <algorithm>
 #include <bitset>
 
-#include "Core/OctTree.h"
+#include "Core/Octree.h"
 #include "Collision/Collision.h"
 
 namespace
@@ -21,75 +21,10 @@ bool isFirstLower(const ChildInfo& first, const ChildInfo& second)
 
 }
 
-OctTree::OctTree()
-    : OctTree(AABB(), 0)
-{}
-
-OctTree::OctTree(const AABB& octTreeBounds, int subDivisions)
-    : m_Root(new OctChild(octTreeBounds, subDivisions, m_StaticObjects, m_DynamicObjects))
-    , m_UpdatedOnce(false)
-{}
-
-OctTree::~OctTree()
+namespace OctSpace
 {
-    delete m_Root;
-}
 
-void OctTree::AddDynamicObject(const AABB& box)
-{
-    m_Root->AddDynamicObject(box);
-    m_DynamicObjects.push_back(box);
-}
-
-void OctTree::AddStaticObject(const AABB& box)
-{
-    m_Root->AddStaticObject(box);
-    m_StaticObjects.push_back(box);
-}
-
-void OctTree::BoxesInSameRegion(const AABB& box, std::vector<AABB>& outBoxes)
-{
-    falsifyObjectChecks();
-    m_Root->BoxesInSameRegion(box, outBoxes);
-}
-
-void OctTree::ClearObjects()
-{
-    m_StaticObjects.clear();
-    m_DynamicObjects.clear();
-    m_Root->ClearObjects();
-}
-
-void OctTree::ClearDynamicObjects()
-{
-    m_DynamicObjects.clear();
-    m_Root->ClearDynamicObjects();
-}
-
-bool OctTree::RayCollides(const Ray& ray, Output& data)
-{
-    falsifyObjectChecks();
-    data.CollideDistance = -1;
-    return m_Root->RayCollides(ray, data);
-}
-
-bool OctTree::BoxCollides(const AABB& boxToTest, AABB& outBoxIntersected)
-{
-    falsifyObjectChecks();
-    return m_Root->BoxCollides(boxToTest, outBoxIntersected);
-}
-
-void OctTree::falsifyObjectChecks()
-{
-    for (auto& obj : m_StaticObjects) {
-        obj.Checked = false;
-    }
-    for (auto& obj : m_DynamicObjects) {
-        obj.Checked = false;
-    }
-}
-
-OctTree::OctChild::OctChild(const AABB& octTreeBounds,
+Child::Child(const AABB& octTreeBounds,
     int subDivisions,
     std::vector<ContainedObject>& staticObjects,
     std::vector<ContainedObject>& dynamicObjects)
@@ -98,7 +33,7 @@ OctTree::OctChild::OctChild(const AABB& octTreeBounds,
     , m_DynamicObjectsRef(dynamicObjects)
 {
     if (subDivisions == 0) {
-        for (OctChild*& c : m_Children) {
+        for (Child*& c : m_Children) {
             c = nullptr;
         }
     } else {
@@ -107,7 +42,7 @@ OctTree::OctChild::OctChild(const AABB& octTreeBounds,
             glm::vec3 minPos, maxPos;
             const glm::vec3& parentMin = m_Box.MinCorner();
             const glm::vec3& parentMax = m_Box.MaxCorner();
-            const glm::vec3& parentCenter = m_Box.Center();
+            const glm::vec3& parentCenter = m_Box.Origin();
             std::bitset<3> bits(i);
             //If child is 4,5,6,7.
             if (bits.test(2)) {
@@ -134,14 +69,14 @@ OctTree::OctChild::OctChild(const AABB& octTreeBounds,
                 minPos.z = parentMin.z;
                 maxPos.z = parentCenter.z;
             }
-            m_Children[i] = new OctChild(AABB(minPos, maxPos), subDivisions, m_StaticObjectsRef, m_DynamicObjectsRef);
+            m_Children[i] = new Child(AABB(minPos, maxPos), subDivisions, m_StaticObjectsRef, m_DynamicObjectsRef);
         }
     }
 }
 
-OctTree::OctChild::~OctChild()
+Child::~Child()
 {
-    for (OctChild*& c : m_Children) {
+    for (Child*& c : m_Children) {
         if (c != nullptr) {
             delete c;
             c = nullptr;
@@ -149,7 +84,7 @@ OctTree::OctChild::~OctChild()
     }
 }
 
-bool OctTree::OctChild::BoxCollides(const AABB& boxToTest, AABB& outBoxIntersected) const
+bool Child::BoxCollides(const AABB& boxToTest, AABB& outBoxIntersected) const
 {
     if (hasChildren()) {
         for (int i : childIndicesContainingBox(boxToTest)) {
@@ -159,7 +94,7 @@ bool OctTree::OctChild::BoxCollides(const AABB& boxToTest, AABB& outBoxIntersect
     } else {
         for (int i : m_StaticObjIndices) {
             if (!m_StaticObjectsRef[i].Checked) {
-                const AABB& objBox = m_StaticObjectsRef[i].Box;
+                const AABB& objBox = *m_StaticObjectsRef[i].Box;
                 if (Collision::AABBVsAABB(boxToTest, objBox)) {
                     outBoxIntersected = objBox;
                     return true;
@@ -169,7 +104,7 @@ bool OctTree::OctChild::BoxCollides(const AABB& boxToTest, AABB& outBoxIntersect
         }
         for (int i : m_DynamicObjIndices) {
             if (!m_DynamicObjectsRef[i].Checked) {
-                const AABB& objBox = m_DynamicObjectsRef[i].Box;
+                const AABB& objBox = *m_DynamicObjectsRef[i].Box;
                 if (!Collision::IsSameBoxProbably(boxToTest, objBox) &&
                     Collision::AABBVsAABB(boxToTest, objBox)) {
                     outBoxIntersected = objBox;
@@ -182,7 +117,7 @@ bool OctTree::OctChild::BoxCollides(const AABB& boxToTest, AABB& outBoxIntersect
     return false;
 }
 
-bool OctTree::OctChild::RayCollides(const Ray& ray, Output& data) const
+bool Child::RayCollides(const Ray& ray, OctSpace::Output& data) const
 {
     //If the node AABB is missed, everything it contains is missed.
     if (Collision::RayAABBIntr(ray, m_Box)) {
@@ -192,7 +127,7 @@ bool OctTree::OctChild::RayCollides(const Ray& ray, Output& data) const
             std::vector<ChildInfo> childInfos;
             childInfos.reserve(8);
             for (int i = 0; i < 8; ++i) {
-                childInfos.push_back({ i, glm::distance(ray.Origin(), m_Children[i]->m_Box.Center()) });
+                childInfos.push_back({ i, glm::distance(ray.Origin(), m_Children[i]->m_Box.Origin()) });
             }
             std::sort(childInfos.begin(), childInfos.end(), isFirstLower);
             //Loop through the children, starting with the one closest to the ray origin. I.e the first to be hit.
@@ -209,7 +144,7 @@ bool OctTree::OctChild::RayCollides(const Ray& ray, Output& data) const
                 float dist;
                 //If we haven't tested against this object before, and the ray hits.
                 if (!m_StaticObjectsRef[i].Checked &&
-                    Collision::RayVsAABB(ray, m_StaticObjectsRef[i].Box, dist)) {
+                    Collision::RayVsAABB(ray, *m_StaticObjectsRef[i].Box, dist)) {
                     minDist = std::min(dist, minDist);
                     intersected = true;
                 }
@@ -219,7 +154,7 @@ bool OctTree::OctChild::RayCollides(const Ray& ray, Output& data) const
                 float dist;
                 //If we haven't tested against this object before, and the ray hits.
                 if (!m_DynamicObjectsRef[i].Checked &&
-                    Collision::RayVsAABB(ray, m_DynamicObjectsRef[i].Box, dist)) {
+                    Collision::RayVsAABB(ray, *m_DynamicObjectsRef[i].Box, dist)) {
                     minDist = std::min(dist, minDist);
                     intersected = true;
                 }
@@ -234,7 +169,7 @@ bool OctTree::OctChild::RayCollides(const Ray& ray, Output& data) const
 }
 
 
-void OctTree::OctChild::AddDynamicObject(const AABB& box)
+void Child::AddDynamicObject(const AABB& box)
 {
     if (hasChildren()) {
         for (auto i : childIndicesContainingBox(box)) {
@@ -246,7 +181,7 @@ void OctTree::OctChild::AddDynamicObject(const AABB& box)
     }
 }
 
-void OctTree::OctChild::AddStaticObject(const AABB& box)
+void Child::AddStaticObject(const AABB& box)
 {
     if (hasChildren()) {
         for (auto i : childIndicesContainingBox(box)) {
@@ -258,44 +193,10 @@ void OctTree::OctChild::AddStaticObject(const AABB& box)
     }
 }
 
-void OctTree::OctChild::BoxesInSameRegion(const AABB& box, std::vector<AABB>& outBoxes) const
+void Child::ClearObjects()
 {
     if (hasChildren()) {
-        for (auto i : childIndicesContainingBox(box)) {
-            m_Children[i]->BoxesInSameRegion(box, outBoxes);
-        }
-    } else {
-        size_t startIndex = outBoxes.size();
-        int numDuplicates = 0;
-        outBoxes.resize(outBoxes.size() + m_StaticObjIndices.size() + m_DynamicObjIndices.size());
-        for (size_t i = 0; i < m_StaticObjIndices.size(); ++i){
-            ContainedObject& obj = m_StaticObjectsRef[m_StaticObjIndices[i]];
-            if (obj.Checked) {
-                ++numDuplicates;
-            } else {
-                obj.Checked = true;
-                outBoxes[startIndex + i - numDuplicates] = obj.Box;
-            }
-        }
-        for (size_t i = 0; i < m_DynamicObjIndices.size(); ++i) {
-            ContainedObject& obj = m_DynamicObjectsRef[m_DynamicObjIndices[i]];
-            if (obj.Checked) {
-                ++numDuplicates;
-            } else {
-                obj.Checked = true;
-                outBoxes[startIndex + i - numDuplicates] = obj.Box;
-            }
-        }
-        for (size_t i = 0; i < numDuplicates; ++i) {
-            outBoxes.pop_back();
-        }
-    }
-}
-
-void OctTree::OctChild::ClearObjects()
-{
-    if (hasChildren()) {
-        for (OctChild*& c : m_Children) {
+        for (Child*& c : m_Children) {
             c->ClearObjects();
         }
     } else {
@@ -304,11 +205,11 @@ void OctTree::OctChild::ClearObjects()
     }
 }
 
-void OctTree::OctChild::ClearDynamicObjects()
+void Child::ClearDynamicObjects()
 {
     if (hasChildren()) {
-        for (OctChild*& c : m_Children) {
-            c->ClearObjects();
+        for (Child*& c : m_Children) {
+            c->ClearDynamicObjects();
         }
     } else {
         m_DynamicObjIndices.clear();
@@ -327,13 +228,13 @@ void OctTree::OctChild::ClearDynamicObjects()
 //    x : - - - - + + + +
 //    y : - - + + - - + +
 //    z : - + - + - + - +
-int OctTree::OctChild::childIndexContainingPoint(const glm::vec3& point) const
+int Child::childIndexContainingPoint(const glm::vec3& point) const
 {
-    const glm::vec3& c = m_Box.Center();
+    const glm::vec3& c = m_Box.Origin();
     return (1 << 2) * (point.x >= c.x) | (1 << 1) * (point.y >= c.y) | (point.z >= c.z);
 }
 
-std::vector<int> OctTree::OctChild::childIndicesContainingBox(const AABB& box) const
+std::vector<int> Child::childIndicesContainingBox(const AABB& box) const
 {
     int minInd = childIndexContainingPoint(box.MinCorner());
     int maxInd = childIndexContainingPoint(box.MaxCorner());
@@ -356,9 +257,13 @@ std::vector<int> OctTree::OctChild::childIndicesContainingBox(const AABB& box) c
         //the dimensions they are responsible for (which octant).
         bits.flip();
         //At this point the bits necessarily have exactly one bit set.
+        //Check the same bit in the minInd as the one set in bits.
+        int setOrUnset = (bits.to_ulong() & minInd);
         for (int c = 0; c < 8; ++c) {
-            //If the child index have the same bit set as the bits, add box to it.
-            if (bits.to_ulong() & c) {
+            //Check the same bit in the child index as the one set in bits.
+            //Enter here if both c and minInd have the bit set, or if neither have it set.
+            //I.e, if they are on the same side (+ or -) in the dimension marked by the bit in bits.
+            if (!((bits.to_ulong() & c) ^ setOrUnset)) {
                 ret.push_back(c);
             }
         }
@@ -371,7 +276,9 @@ std::vector<int> OctTree::OctChild::childIndicesContainingBox(const AABB& box) c
     }
 }
 
-inline bool OctTree::OctChild::hasChildren() const
+inline bool Child::hasChildren() const
 {
     return m_Children[0] != nullptr;
 }
+
+}

src/Engine/Core/World.cpp

@@ -66,7 +66,7 @@ void World::RegisterComponent(ComponentInfo& ci)
     }
 }
 
-ComponentWrapper World::AttachComponent(EntityID entity, std::string componentType)
+ComponentWrapper World::AttachComponent(EntityID entity, const std::string& componentType)
 {
     // TODO: Allocate dynamic pool if component isn't registered
     ComponentPool* pool = m_ComponentPools.at(componentType);
@@ -75,31 +75,31 @@ ComponentWrapper World::AttachComponent(EntityID entity, std::string componentTy
     // Allocate space for the component
     ComponentWrapper c = pool->Allocate(entity);
     // Write default values
-    memcpy(c.Data, ci.Defaults.get(), ci.Meta.Stride);
+    memcpy(c.Data, ci.Defaults.get(), ci.Stride);
 
     return c;
 }
 
-bool World::HasComponent(EntityID entity, std::string componentType) const
+bool World::HasComponent(EntityID entity, const std::string& componentType) const
 {
     ComponentPool* pool = m_ComponentPools.at(componentType);
     return pool->KnowsEntity(entity);
 }
 
-ComponentWrapper World::GetComponent(EntityID entity, std::string componentType)
+ComponentWrapper World::GetComponent(EntityID entity, const std::string& componentType)
 {
     ComponentPool* pool = m_ComponentPools.at(componentType);
     return pool->GetByEntity(entity);
 }
 
-void World::DeleteComponent(EntityID entity, std::string componentType)
+void World::DeleteComponent(EntityID entity, const std::string& componentType)
 {
     ComponentPool* pool = m_ComponentPools.at(componentType);
     ComponentWrapper c = pool->GetByEntity(entity);
     return pool->Delete(c);
 }
 
-const ComponentPool* World::GetComponents(std::string componentType)
+const ComponentPool* World::GetComponents(const std::string& componentType)
 {
     auto it = m_ComponentPools.find(componentType);
     return (it != m_ComponentPools.end()) ? it->second : nullptr;
@@ -125,6 +125,11 @@ void World::SetParent(EntityID entity, EntityID parent)
     m_EntityChildren.insert(std::make_pair(parent, entity));
 }
 
+const std::pair<std::unordered_multimap<EntityID, EntityID>::const_iterator, std::unordered_multimap<EntityID, EntityID>::const_iterator> World::GetChildren(EntityID entity)
+{
+    return m_EntityChildren.equal_range(entity);
+}
+
 void World::SetName(EntityID entity, const std::string& name)
 {
     m_EntityNames[entity] = name;

src/Engine/Editor/EditorSystem.cpp

@@ -3,7 +3,8 @@
 #include <imgui/imgui_internal.h>
 
 EditorSystem::EditorSystem(EventBroker* eventBroker, IRenderer* renderer) 
-    : ImpureSystem(eventBroker)
+    : System(eventBroker)
+    , ImpureSystem()
     , m_Renderer(renderer)
 {
     auto config = ResourceManager::Load<ConfigFile>("Config.ini");
@@ -483,8 +484,8 @@ void EditorSystem::drawUI(World* world, double dt)
                 }
 
                 if (ImGui::CollapsingHeader(componentType.c_str())) {
-                    if (!ci.Meta.Annotation.empty()) {
-                        ImGui::Text(ci.Meta.Annotation.c_str());
+                    if (!ci.Meta->Annotation.empty()) {
+                        ImGui::Text(ci.Meta->Annotation.c_str());
                     }
 
                     auto& component = world->GetComponent(m_Selection, componentType);
@@ -492,9 +493,10 @@ void EditorSystem::drawUI(World* world, double dt)
                         const std::string& fieldName = kv.first;
                         auto& field = kv.second;
                         
-                        ImGui::PushID(fieldName.c_str());
+                        std::string uniqueID = componentType + fieldName;
+                        ImGui::PushID(uniqueID.c_str());
                         if (field.Type == "Vector") {
-                            auto& val = component.Property<glm::vec3>(fieldName);
+                            auto& val = component.Field<glm::vec3>(fieldName);
                             if (fieldName == "Scale") {
                                 ImGui::DragFloat3("", glm::value_ptr(val), 0.1f, 0.f, std::numeric_limits<float>::max());
                             } else if (fieldName == "Orientation") {
@@ -506,10 +508,10 @@ void EditorSystem::drawUI(World* world, double dt)
                                 ImGui::DragFloat3("", glm::value_ptr(val), 0.1f, std::numeric_limits<float>::lowest(), std::numeric_limits<float>::max());
                             }
                         } else if (field.Type == "Color") {
-                            auto& val = component.Property<glm::vec4>(fieldName);
+                            auto& val = component.Field<glm::vec4>(fieldName);
                             ImGui::ColorEdit4("", glm::value_ptr(val), true);
                         } else if (field.Type == "string") {
-                            std::string& val = component.Property<std::string>(fieldName);
+                            std::string& val = component.Field<std::string>(fieldName);
                             char tempString[1024];
                             memcpy(tempString, val.c_str(), std::min(val.length() + 1, sizeof(tempString)));
                             if (ImGui::InputText("", tempString, sizeof(tempString))) {
@@ -523,12 +525,32 @@ void EditorSystem::drawUI(World* world, double dt)
                             }
 
                         } else if (field.Type == "double") {
-                            float tempVal = static_cast<float>(component.Property<double>(fieldName));
+                            float tempVal = static_cast<float>(component.Field<double>(fieldName));
                             if (ImGui::InputFloat("", &tempVal, 0.01f, 1.f)) {
-                                component.SetProperty(fieldName, static_cast<double>(tempVal));
+                                component.SetField(fieldName, static_cast<double>(tempVal));
+                            }
+                        } else if (field.Type == "int") {
+                            int val = component.Field<int>(fieldName);
+                            ImGui::InputInt("", &val);
+                        } else if (field.Type == "enum") {
+                            int currentValue = component.Field<int>(fieldName);
+                            int item = -1;
+                            std::stringstream enumKeys;
+                            std::vector<int> enumValues;
+                            int i = 0;
+                            for (auto& kv : ci.Meta->FieldEnumDefinitions.at(fieldName)) {
+                                enumKeys << kv.first << " (" << kv.second << ")" << '\0';
+                                enumValues.push_back(kv.second);
+                                if (currentValue == kv.second) {
+                                    item = i;
+                                }
+                                i++;
+                            }
+                            if (ImGui::Combo("", &item, enumKeys.str().c_str())) {
+                                component.SetField(fieldName, enumValues.at(item));
                             }
                         } else if (field.Type == "bool") {
-                            auto& val = component.Property<bool>(fieldName);
+                            auto& val = component.Field<bool>(fieldName);
                             ImGui::Checkbox("", &val);
                         } else {
                             ImGui::TextDisabled(field.Type.c_str());

src/Engine/Input/InputProxy.cpp

@@ -20,15 +20,16 @@ void InputProxy::LoadBindings(std::string file)
     for (auto& origin : config->GetAll<std::string>("Bindings")) {
         Events::BindOrigin e;
         e.Origin = origin.first;
-        e.Command = origin.second;
-        e.Value = 1.f;
-        if (!e.Command.empty()) {
-            char prefix = e.Command.at(0);
-            if (prefix == '+' || prefix == '-') {
-                e.Command = e.Command.substr(1);
-                if (prefix == '-') {
-                    e.Value *= -1.f;
-                }
+        const std::string& command = origin.second;
+        if (!command.empty()) {
+            boost::char_separator<char> separator(", ");
+            boost::tokenizer<decltype(separator)> tokenizer(command, separator);
+            auto token = tokenizer.begin();
+            e.Command = *token;
+            if (++token != tokenizer.end()) {
+                e.Value = boost::lexical_cast<float>(*token);
+            } else {
+                e.Value = 1.f;
             }
             OnBindOrigin(e);
         }

src/Engine/Rendering/RenderSystem.cpp

@@ -1,14 +1,15 @@
 #include "Rendering/RenderSystem.h"
 
-RenderSystem::RenderSystem(EventBroker* eventBrokerer, const IRenderer* renderer, RenderFrame* renderFrame) :ImpureSystem(eventBrokerer)
+RenderSystem::RenderSystem(EventBroker* eventBroker, const IRenderer* renderer, RenderFrame* renderFrame)
+    : System(eventBroker)
+    , m_Renderer(renderer)
+    , m_RenderFrame(renderFrame)
 {
-    m_Renderer = renderer;
-    m_RenderFrame = renderFrame;
     EVENT_SUBSCRIBE_MEMBER(m_ESetCamera, &RenderSystem::OnSetCamera);
     EVENT_SUBSCRIBE_MEMBER(m_EInputCommand, &RenderSystem::OnInputCommand);
 
     m_Camera = new Camera((float)m_Renderer->Resolution().Width / m_Renderer->Resolution().Height, glm::radians(45.f), 0.01f, 5000.f);
-    m_DebugCameraInputController = new DebugCameraInputController<RenderSystem>(eventBrokerer, -1);
+    m_DebugCameraInputController = new DebugCameraInputController<RenderSystem>(eventBroker, -1);
 }
 
 RenderSystem::~RenderSystem()

src/Game/CMakeLists.txt

@@ -10,17 +10,23 @@ include_directories(
     ${Boost_INCLUDE_DIRS}
 )
 
-file(GLOB SOURCE_FILES
-    "${INCLUDE_PATH}/*.h"
-    #"*.cpp"
+file(GLOB SOURCE_FILES_Systems
+    "${INCLUDE_PATH}/Systems/*.h"
+    "Systems/*.cpp"
 )
-#source_group(Core FILES ${SOURCE_FILES})
+source_group(Systems FILES ${SOURCE_FILES_Systems})
+
+file(GLOB SOURCE_FILES_Events
+	"${INCLUDE_PATH}/Events/*.h"
+	"Events/*.cpp"
+)
+source_group(Events FILES ${SOURCE_FILES_Events})
 
 set(SOURCE_FILES
     ${SOURCE_FILES}
     "Game.cpp"
-    "HealthSystem.cpp"
-	"PlayerSystem.cpp"
+    ${SOURCE_FILES_Systems}
+	${SOURCE_FILES_Events}
 )
 
 set(LIBRARIES

src/Game/Game.cpp

@@ -1,7 +1,12 @@
 #include "Game.h"
+#include "Collision/CollidableOctreeSystem.h"
 #include "Collision/TriggerSystem.h"
 #include "Collision/CollisionSystem.h"
-#include "Game/HealthSystem.h"
+#include "Systems/RaptorCopterSystem.h"
+#include "Systems/HealthSystem.h"
+#include "Systems/PlayerMovementSystem.h"
+#include "Systems/SpawnerSystem.h"
+#include "Systems/PlayerSpawnSystem.h"
 #include "Core/EntityFileWriter.h"
 
 Game::Game(int argc, char* argv[])
@@ -62,21 +67,27 @@ Game::Game(int argc, char* argv[])
     //SO MUCH TEMP PLEASE REMOVE ME OMFG VIKTOR HELP
     m_Renderer->m_World = m_World;
 
+    // Create Octrees
+    m_OctreeCollision = new Octree<AABB>(AABB(glm::vec3(-100), glm::vec3(100)), 4);
+    m_OctreeFrustrumCulling = new Octree<AABB>(AABB(glm::vec3(-100), glm::vec3(100)), 4);
     // Create system pipeline
     m_SystemPipeline = new SystemPipeline(m_EventBroker);
 
-
-    //All systems with orderlevel 0 will be updated first.
+    // All systems with orderlevel 0 will be updated first.
     unsigned int updateOrderLevel = 0;
     m_SystemPipeline->AddSystem<RaptorCopterSystem>(updateOrderLevel);
-    m_SystemPipeline->AddSystem<PlayerSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<EditorSystem>(updateOrderLevel, m_Renderer);
     m_SystemPipeline->AddSystem<HealthSystem>(updateOrderLevel);
-
-    //Collision and TriggerSystem should update after player.
+    m_SystemPipeline->AddSystem<PlayerMovementSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<SpawnerSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<PlayerSpawnSystem>(updateOrderLevel);
+    // Populate Octree with collidables
     ++updateOrderLevel;
-    m_SystemPipeline->AddSystem<CollisionSystem>(updateOrderLevel);
-    m_SystemPipeline->AddSystem<TriggerSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<CollidableOctreeSystem>(updateOrderLevel, m_OctreeCollision);
+    // Collision and TriggerSystem should update after player.
+    ++updateOrderLevel;
+    m_SystemPipeline->AddSystem<CollisionSystem>(updateOrderLevel, m_OctreeCollision);
+    m_SystemPipeline->AddSystem<TriggerSystem>(updateOrderLevel, m_OctreeCollision);
     ++updateOrderLevel;
     m_SystemPipeline->AddSystem<RenderSystem>(updateOrderLevel, m_Renderer, m_RenderFrame);
 
@@ -96,6 +107,8 @@ Game::~Game()
 {
     delete m_SystemPipeline;
     delete m_SoundSystem;
+    delete m_OctreeFrustrumCulling;
+    delete m_OctreeCollision;
     delete m_World;
     delete m_FrameStack;
     delete m_InputProxy;

src/Game/PlayerSystem.cpp

@@ -1,42 +0,0 @@
-#include "PlayerSystem.h"
-
-void PlayerSystem::UpdateComponent(World * world, ComponentWrapper & player, double dt)
-{
-    player["Velocity"] = glm::vec3(0.f, 0.f, 0.f);
-    if ((bool&)player["Forward"] == true) {
-        ((glm::vec3&)player["Velocity"]).z = m_Speed * float(dt) * -1;
-
-    }
-    if ((bool&)player["Left"] == true) {
-        ((glm::vec3&)player["Velocity"]).x = m_Speed * float(dt) * -1;
-    }
-    if ((bool&)player["Back"] == true) {
-        ((glm::vec3&)player["Velocity"]).z = m_Speed * float(dt);
-    }
-    if ((bool&)player["Right"] == true) {
-        ((glm::vec3&)player["Velocity"]).x = m_Speed * float(dt);
-    }
-
-    if ((glm::vec3)player["Velocity"] != glm::vec3(0.f)) {
-        ComponentWrapper& transform = world->GetComponent(player.EntityID, "Transform");
-        (glm::vec3&)transform["Position"] += (glm::vec3)player["Velocity"];
-    }
-}
-
-bool PlayerSystem::OnTouch(const Events::TriggerTouch &event)
-{
-    LOG_INFO("Player entity %i touched widget (entity %i).", event.Entity, event.Trigger);
-    return false;
-}
-
-bool PlayerSystem::OnEnter(const Events::TriggerEnter &event)
-{
-    LOG_INFO("Player entity %i entered widget (entity %i).", event.Entity, event.Trigger);
-    return false;
-}
-
-bool PlayerSystem::OnLeave(const Events::TriggerLeave &event)
-{
-    LOG_INFO("Player entity %i left widget (entity %i).", event.Entity, event.Trigger);
-    return false;
-}

src/Game/Systems/HealthSystem.cpp

@@ -1,32 +1,32 @@
-#include "HealthSystem.h"
-#include <algorithm>
+#include "Systems/HealthSystem.h"
 
 HealthSystem::HealthSystem(EventBroker* eventBroker)
-    : PureSystem(eventBroker, "Health")
+    : System(eventBroker)
+    , PureSystem("Health")
 {
     //subscribe/listenTo playerdamage,healthpickup events (using the eventBroker)
     EVENT_SUBSCRIBE_MEMBER(m_EPlayerDamage, &HealthSystem::OnPlayerDamaged);
     EVENT_SUBSCRIBE_MEMBER(m_EPlayerHealthPickup, &HealthSystem::OnPlayerHealthPickup);
 }
 
-void HealthSystem::UpdateComponent(World *world, ComponentWrapper &health, double dt)
+void HealthSystem::UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt)
 {
     //if entityID of health is 9 then the players ID is also 9 (player,health are connected to the same entity)
-    ComponentWrapper player = world->GetComponent(health.EntityID, "Player");
-    double maxHealth = (double)health["MaxHealth"];
+    ComponentWrapper player = world->GetComponent(component.EntityID, "Player");
+    double maxHealth = (double)component["MaxHealth"];
 
     //process the DeltaHealthVector and change the entitys health accordingly
     for (size_t i = m_DeltaHealthVector.size(); i > 0; i--)
     {
         auto deltaHP = m_DeltaHealthVector[i - 1];
         //if we have a healthchange for the current player and health is greater than 0, then apply it
-        if (std::get<0>(deltaHP) == player.EntityID && (double)health["Health"] > 0.0f) {
+        if (std::get<0>(deltaHP) == player.EntityID && (double)component["Health"] > 0.0f) {
             //get the deltaHP value from the tuple and make sure you dont get more than maxHealth
-            double newHealth = std::min((double)health["Health"] + (double)std::get<1>(deltaHP), maxHealth);
-            health["Health"] = newHealth;
+            double newHealth = std::min((double)component["Health"] + (double)std::get<1>(deltaHP), maxHealth);
+            component["Health"] = newHealth;
             m_DeltaHealthVector.erase(m_DeltaHealthVector.begin() + i - 1);
             //check if health is <= 0
-            if ((double)health["Health"] <= 0.0f) {
+            if ((double)component["Health"] <= 0.0f) {
                 //publish death event
                 Events::PlayerDeath e;
                 e.PlayerID = player.EntityID;

src/Game/Systems/PlayerMovementSystem.cpp

@@ -0,0 +1,18 @@
+#include "Systems/PlayerMovementSystem.h"
+
+void PlayerMovementSystem::UpdateComponent(World* world, EntityWrapper& entity, ComponentWrapper& component, double dt)
+{
+    ComponentWrapper& cTransform = entity["Transform"];
+    if (!entity.HasComponent("Physics")) {
+        return;
+    }
+    ComponentWrapper& cPhysics = entity["Physics"];
+
+    glm::vec3& velocity = cPhysics["Velocity"];
+    if (cPhysics["Gravity"]) {
+        velocity.y -= 9.82 * dt;
+    }
+
+    glm::vec3& position = cTransform["Position"];
+    position += velocity * (float)dt;
+}

src/Game/Systems/PlayerSpawnSystem.cpp

@@ -0,0 +1,51 @@
+#include "Systems/PlayerSpawnSystem.h"
+
+PlayerSpawnSystem::PlayerSpawnSystem(EventBroker* eventBroker) 
+    : System(eventBroker)
+{
+    EVENT_SUBSCRIBE_MEMBER(m_OnInputCommand, &PlayerSpawnSystem::OnInputCommand);
+}
+
+void PlayerSpawnSystem::Update(World* world, double dt)
+{
+    auto playerSpawns = world->GetComponents("PlayerSpawn");
+    if (playerSpawns == nullptr) {
+        return;
+    }
+
+    for (auto& team : m_SpawnRequests) {
+        for (auto& cPlayerSpawn : *playerSpawns) {
+            EntityWrapper spawner(world, cPlayerSpawn.EntityID);
+            if (!spawner.HasComponent("Spawner")) {
+                continue;
+            }
+
+            // If the spawner has a team affiliation, check it
+            if (spawner.HasComponent("Team")) {
+                if ((int)spawner["Team"]["Team"] != team) {
+                    continue;
+                }
+            }
+
+            // Spawn the player!
+            EntityWrapper player = SpawnerSystem::Spawn(spawner);
+            // Set the player team affiliation
+            player["Team"]["Team"] = team;
+        }
+    }
+    m_SpawnRequests.clear();
+}
+
+bool PlayerSpawnSystem::OnInputCommand(const Events::InputCommand& e)
+{
+    if (e.Command != "PickTeam") {
+        return false;
+    }
+
+    if (e.Value != 0) {
+        m_SpawnRequests.push_back((int)e.Value);
+    }
+
+    return true;
+}
+

src/Game/Systems/SpawnerSystem.cpp

@@ -0,0 +1,61 @@
+#include "Systems/SpawnerSystem.h"
+
+SpawnerSystem::SpawnerSystem(EventBroker* eventBroker) : System(eventBroker)
+{
+    EVENT_SUBSCRIBE_MEMBER(m_OnSpawnerSpawn, &SpawnerSystem::OnSpawnerSpawn);
+}
+
+EntityWrapper SpawnerSystem::Spawn(EntityWrapper spawner, EntityWrapper parent /*= EntityWrapper::Invalid*/)
+{
+    // Spawn the entity in the parent's world if it exists, otherwise in the spawner's world
+    World* world = parent.World;
+    if (world == nullptr) {
+        world = spawner.World;
+    } 
+
+    // Find any SpawnPoints existing as children of spawner
+    auto children = spawner.World->GetChildren(spawner.ID);
+    std::vector<EntityWrapper> spawnPoints;
+    for (auto kv = children.first; kv != children.second; ++kv) {
+        const EntityID& child = kv->second;
+        if (spawner.World->HasComponent(child, "SpawnPoint")) {
+            spawnPoints.push_back(EntityWrapper(spawner.World, child));
+        }
+    }
+
+    // Choose a random SpawnPoint
+    EntityWrapper spawnPoint = spawner;
+    if (!spawnPoints.empty()) {
+        if (spawnPoints.size() > 1) {
+            static std::random_device randomDevice;
+            static std::mt19937 randomGenerator(randomDevice());
+            std::uniform_int_distribution<> distribution(0, std::distance(spawnPoints.begin(), spawnPoints.end()) - 1);
+            auto randomSpawnPointIt = spawnPoints.begin();
+            std::advance(randomSpawnPointIt, distribution(randomGenerator));
+            spawnPoint = *randomSpawnPointIt;
+        } else {
+            spawnPoint = spawnPoints.front();
+        }
+    }
+    
+    // Load the entity file and parse it
+    const std::string& entityFilePath = spawner["Spawner"]["EntityFile"];
+    auto entityFile = ResourceManager::Load<EntityFile>(entityFilePath);
+    if (entityFile == nullptr) {
+        return EntityWrapper::Invalid;
+    }
+    EntityFileParser parser(entityFile);
+    EntityWrapper spawnedEntity(world, parser.MergeEntities(world, parent.ID));
+
+    // Set its position and orientation to that of the SpawnPoint
+    spawnedEntity["Transform"]["Position"] = Transform::AbsolutePosition(spawnPoint.World, spawnPoint.ID);
+    spawnedEntity["Transform"]["Orientation"] = glm::eulerAngles(Transform::AbsoluteOrientation(spawnPoint.World, spawnPoint.ID));
+
+    return spawnedEntity;
+}
+
+bool SpawnerSystem::OnSpawnerSpawn(Events::SpawnerSpawn& e)
+{
+    EntityWrapper spawnedEntity = Spawn(e.Spawner, e.Parent);
+    return true;
+}

src/Tests/CollisionTest.cpp

@@ -7,7 +7,7 @@ using boost::unit_test_framework::test_case;
 #include "Engine/Core/AABB.h"
 #include "Engine/Core/Ray.h"
 #include <stdlib.h>//srand
-#include "Engine/Core/OctTree.h"
+#include "Engine/Core/Octree.h"
 //vs model
 #include <sstream>
 #include <string>
@@ -205,9 +205,9 @@ BOOST_AUTO_TEST_CASE(octTest)
 {
     glm::vec3 mini = glm::vec3(-1, -1, -1);
     glm::vec3 maxi = glm::vec3(1, 1, 1);
-    OctTree tree(AABB(mini, maxi), 2);
+    Octree<AABB> tree(AABB(mini, maxi), 2);
     tree.AddDynamicObject(AABB(mini, -0.9f*maxi));
-    OctTree::Output data;
+    OctSpace::Output data;
     glm::vec3 origin = 3.0f * mini;
     bool rayIntersected = tree.RayCollides(Ray(origin , mini - origin), data);
     BOOST_CHECK(rayIntersected);

src/Tests/ComponentPoolTest.cpp

@@ -10,8 +10,8 @@ BOOST_AUTO_TEST_CASE(ComponentPoolTest)
     //ci.Name = "Test";
     //ci.FieldTypes["Field"] = "int";
     //ci.FieldOffsets["Field"] = 0;
-    //ci.Meta.Allocation = 3;
-    //ci.Meta.Stride = sizeof(EntityID) + sizeof(int);
+    //ci.Meta->Allocation = 3;
+    //ci.Stride = sizeof(EntityID) + sizeof(int);
 
     //std::vector<ComponentWrapper> wrappers;
     //ComponentPool pool(ci);

src/Tests/OctTreeTest.cpp

@@ -3,7 +3,7 @@ using boost::unit_test_framework::test_suite;
 using boost::unit_test_framework::test_case;
 #include <stdlib.h>//srand
 
-#include "Engine/Core/OctTree.h"
+#include "Engine/Core/Octree.h"
 #include "Engine/Core/Ray.h"
 #include "OldOctTree.h"
 
@@ -13,17 +13,17 @@ BOOST_AUTO_TEST_CASE(octSameRegionTest)
 {
     glm::vec3 mini = glm::vec3(-1, -1, -1);
     glm::vec3 maxi = glm::vec3(1, 1, 1);
-    OctTree tree(AABB(mini, maxi), 2);
+    Octree<AABB> tree(AABB(mini, maxi), 2);
     AABB firstQuadrant(mini, 0.8f*mini);
     tree.AddStaticObject(firstQuadrant);
     AABB testBox(0.9f*mini, 0.8f*mini);
     std::vector<AABB> region;
-    tree.BoxesInSameRegion(testBox, region);
+    tree.ObjectsInSameRegion(testBox, region);
     BOOST_REQUIRE(region.size() == 1);
     AABB& box = region[0];
-    BOOST_CHECK_CLOSE_FRACTION(box.Center().x, firstQuadrant.Center().x, 0.00001f);
-    BOOST_CHECK_CLOSE_FRACTION(box.Center().y, firstQuadrant.Center().y, 0.00001f);
-    BOOST_CHECK_CLOSE_FRACTION(box.Center().z, firstQuadrant.Center().z, 0.00001f);
+    BOOST_CHECK_CLOSE_FRACTION(box.Origin().x, firstQuadrant.Origin().x, 0.00001f);
+    BOOST_CHECK_CLOSE_FRACTION(box.Origin().y, firstQuadrant.Origin().y, 0.00001f);
+    BOOST_CHECK_CLOSE_FRACTION(box.Origin().z, firstQuadrant.Origin().z, 0.00001f);
     BOOST_CHECK_CLOSE_FRACTION(box.HalfSize().x, firstQuadrant.HalfSize().x, 0.00001f);
     BOOST_CHECK_CLOSE_FRACTION(box.HalfSize().y, firstQuadrant.HalfSize().y, 0.00001f);
     BOOST_CHECK_CLOSE_FRACTION(box.HalfSize().z, firstQuadrant.HalfSize().z, 0.00001f);
@@ -40,7 +40,7 @@ const int NUM_FUNCTION_LOOPS = 25;
 const int TESTS = 0;                //10
 
 template<typename Tree>
-void RegionTest(Tree& tree)
+void RegionTestOld(Tree& tree)
 {
     AABB aabb;
     aabb.CreateFromCenter(glm::vec3(rand() % LEVEL_BOUNDS, rand() % LEVEL_BOUNDS, rand() % LEVEL_BOUNDS),
@@ -50,9 +50,19 @@ void RegionTest(Tree& tree)
 }
 
 template<typename Tree>
+void RegionTest(Tree& tree)
+{
+    AABB aabb;
+    aabb.CreateFromCenter(glm::vec3(rand() % LEVEL_BOUNDS, rand() % LEVEL_BOUNDS, rand() % LEVEL_BOUNDS),
+        glm::vec3(rand() % MAXSIZE, rand() % MAXSIZE, rand() % MAXSIZE));
+    std::vector<AABB> outVec;
+    tree.ObjectsInSameRegion(aabb, outVec);
+}
+
+template<typename Tree, typename Output>
 void RayTest(Tree& tree)
 {
-    Tree::Output data;
+    Output data;
     glm::vec3 rayStart = glm::vec3(rand() % LEVEL_BOUNDS, rand() % LEVEL_BOUNDS, rand() % LEVEL_BOUNDS);
     glm::vec3 rayEnd = glm::vec3(rand() % LEVEL_BOUNDS, rand() % LEVEL_BOUNDS, rand() % LEVEL_BOUNDS);
     tree.RayCollides({ rayStart , glm::normalize(rayEnd - rayStart) }, data);
@@ -111,13 +121,13 @@ void TestLoop(TestFunction xTest)
 
 BOOST_AUTO_TEST_CASE(octRegionPerfTestWithDuplicates)
 {
-    TestLoop<Old::OctTree>(RegionTest<Old::OctTree>);
+    TestLoop<Old::OctTree>(RegionTestOld<Old::OctTree>);
     BOOST_CHECK(true);
 }
 
 BOOST_AUTO_TEST_CASE(octRegionPerfTestNoDuplicates)
 {
-    TestLoop<OctTree>(RegionTest<OctTree>);
+    TestLoop<Octree<AABB>>(RegionTest<Octree<AABB>>);
     BOOST_CHECK(true);
 }
 
@@ -129,19 +139,19 @@ BOOST_AUTO_TEST_CASE(octBoxPerfTestWithDuplicates)
 
 BOOST_AUTO_TEST_CASE(octBoxPerfTestNoDuplicates)
 {
-    TestLoop<OctTree>(BoxTest<OctTree>);
+    TestLoop<Octree<AABB>>(BoxTest<Octree<AABB>>);
     BOOST_CHECK(true);
 }
 
 BOOST_AUTO_TEST_CASE(octRayPerfTestWithDuplicates)
 {
-    TestLoop<Old::OctTree>(RayTest<Old::OctTree>);
+    TestLoop<Old::OctTree>(RayTest<Old::OctTree, Old::OctTree::Output>);
     BOOST_CHECK(true);
 }
 
 BOOST_AUTO_TEST_CASE(octRayPerfTestNoDuplicates)
 {
-    TestLoop<OctTree>(RayTest<OctTree>);
+    TestLoop<Octree<AABB>>(RayTest<Octree<AABB>, OctSpace::Output>);
     BOOST_CHECK(true);
 }
 
@@ -153,7 +163,7 @@ BOOST_AUTO_TEST_CASE(octNopPerfTestWithDuplicates)
 
 BOOST_AUTO_TEST_CASE(octNopPerfTestNoDuplicates)
 {
-    TestLoop<OctTree>(NopTest<OctTree>);
+    TestLoop<Octree<AABB>>(NopTest<Octree<AABB>>);
     BOOST_CHECK(true);
 }
 

src/Tests/OctTreeTestGameClass.cpp

@@ -91,7 +91,7 @@ void Game::Tick()
         frameCounter = 0;
     }
     ComponentWrapper transform = m_World->GetComponent(m_World->anotherBoxTransformId, "Transform");
-    transform["Position"] = boxi.Center();
+    transform["Position"] = boxi.Origin();
 
     //check all children again in the tree if they have a box in them or not, and colormark them if they do
     //contentboxarna får man ut - inte childboxarna!
@@ -110,7 +110,7 @@ void Game::Tick()
         //REQUIRED: childIndicesContainingBox must be public to test this!
         for each (auto someBoxIndex in boxIndex)
         {
-            glm::vec3 pos = m_World->someOctTree.m_Root->m_Children[someBoxIndex]->m_Box.Center();
+            glm::vec3 pos = m_World->someOctTree.m_Root->m_Children[someBoxIndex]->m_Box.Origin();
             if (abs(pos.x - oneLinkedObject.posxyz.x) < 0.005f &&
                 abs(pos.y - oneLinkedObject.posxyz.y) < 0.005f &&
                 abs(pos.z - oneLinkedObject.posxyz.z) < 0.005f) {

src/Tests/OctTreeTestGameClass.h

@@ -55,7 +55,7 @@ private:
     glm::quat m_PrevOri;
 
     glm::vec3 worldSize = glm::vec3(50, 50, 50);
-    OctTree someOctTree;
+    Octree someOctTree;
 
 };
 

src/Tests/OctTreeTestGameMain.cpp

@@ -7,7 +7,7 @@ using boost::unit_test_framework::test_case;
 #include "Engine/Core/AABB.h"
 #include "Engine/Core/Ray.h"
 #include <stdlib.h>//srand
-#include "Engine/Core/OctTree.h"
+#include "Engine/Core/Octree.h"
 
 //vs memleaks
 //#define _CRTDBG_MAP_ALLOC

src/Tests/OctTreeTestHardCodedTestWorld.h

@@ -16,9 +16,9 @@ class HardcodedTestWorld : public World
 public:
     struct LinkOctTreeAndModel {
         EntityID entId;
-        OctTree::OctChild* child;
+        Octree::Child* child;
         glm::vec3 posxyz;
-        LinkOctTreeAndModel(EntityID eId, OctTree::OctChild* ch, glm::vec3 pos)
+        LinkOctTreeAndModel(EntityID eId, Octree::Child* ch, glm::vec3 pos)
         {
             entId = eId;
             child = ch;
@@ -27,7 +27,7 @@ public:
     };
     EntityID anotherBoxTransformId;
     std::vector<LinkOctTreeAndModel> linkOM;
-    OctTree someOctTree;
+    Octree someOctTree;
 
     //constructor
     HardcodedTestWorld()
@@ -77,7 +77,7 @@ private:
             auto someAABB = AABB(glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(1.0f, 1.0f, 1.0f));
 
             //draw main box first
-            AddBoxModel(someAABB.Center(), someAABB.HalfSize().x, someOctTree.m_Root, tempId);
+            AddBoxModel(someAABB.Origin(), someAABB.HalfSize().x, someOctTree.m_Root, tempId);
 
             //add anotherbox in octTree
             auto anotherBox = AABB(glm::vec3(0.1f, 0.1f, 0.1f), glm::vec3(0.2f, 0.2f, 0.2f));
@@ -85,19 +85,19 @@ private:
             someOctTree.AddDynamicObject(anotherBox);
 
             //draw anotherbox and save it in anotherBoxTransformId
-            AddBoxModel(anotherBox.Center(), anotherBox.HalfSize().x, someOctTree.m_Root, anotherBoxTransformId);
+            AddBoxModel(anotherBox.Origin(), anotherBox.HalfSize().x, someOctTree.m_Root, anotherBoxTransformId);
 
             //draw the octTree
             for (size_t j = 0; j < 8; j++)
             {
-                AddBoxModel(someOctTree.m_Root->m_Children[j]->m_Box.Center(),
+                AddBoxModel(someOctTree.m_Root->m_Children[j]->m_Box.Origin(),
                     someOctTree.m_Root->m_Children[j]->m_Box.HalfSize().x, someOctTree.m_Root->m_Children[j], tempId);
 
                 auto someChild = someOctTree.m_Root->m_Children[j];
 
                 for (size_t i = 0; i < 8; i++)
                 {
-                    AddBoxModel(someChild->m_Children[i]->m_Box.Center(),
+                    AddBoxModel(someChild->m_Children[i]->m_Box.Origin(),
                         someChild->m_Children[i]->m_Box.HalfSize().x, someChild->m_Children[i], tempId);
                 }
             }
@@ -115,7 +115,7 @@ private:
         model["Resource"] = "Models/Core/UnitBox.obj";
     }
 
-    void AddBoxModel(const glm::vec3 &center, const float &halfSize, OctTree::OctChild* child, EntityID &outEntityId) {
+    void AddBoxModel(const glm::vec3 &center, const float &halfSize, Octree::Child* child, EntityID &outEntityId) {
         World& world = *this;
 
         EntityID entityDummyScene = world.CreateEntity();

src/Tests/OldOctTree.cpp

@@ -54,7 +54,7 @@ OctTree::OctTree(const AABB& octTreeBounds, int subDivisions)
             glm::vec3 minPos, maxPos;
             const glm::vec3& parentMin = m_Box.MinCorner();
             const glm::vec3& parentMax = m_Box.MaxCorner();
-            const glm::vec3& parentCenter = m_Box.Center();
+            const glm::vec3& parentCenter = m_Box.Origin();
             std::bitset<3> bits(i);
             //If child is 4,5,6,7.
             if (bits.test(2)) {
@@ -172,7 +172,7 @@ bool OctTree::RayCollides(const Ray& ray, Output& data) const
             std::vector<ChildInfo> childInfos;
             childInfos.reserve(8);
             for (int i = 0; i < 8; ++i) {
-                childInfos.push_back({ i, glm::distance(ray.Origin(), m_Children[i]->m_Box.Center()) });
+                childInfos.push_back({ i, glm::distance(ray.Origin(), m_Children[i]->m_Box.Origin()) });
             }
             std::sort(childInfos.begin(), childInfos.end(), isFirstLower);
             //Loop through the children, starting with the one closest to the ray origin. I.e the first to be hit.
@@ -279,7 +279,7 @@ void OctTree::ClearDynamicObjects()
 //    z : - + - + - + - +
 int OctTree::childIndexContainingPoint(const glm::vec3& point) const
 {
-    const glm::vec3& c = m_Box.Center();
+    const glm::vec3& c = m_Box.Origin();
     return (1 << 2) * (point.x >= c.x) | (1 << 1) * (point.y >= c.y) | (point.z >= c.z);
 }