Basic collisions using Octree. Seems buggy over octree boundaries.

include/Engine/Collision/CollidableOctreeSystem.h

@@ -0,0 +1,19 @@
+#include "../Core/System.h"
+#include "../Core/Octree.h"
+#include "Collision.h"
+
+class CollidableOctreeSystem : public ImpureSystem, public PureSystem
+{
+public:
+    CollidableOctreeSystem(EventBroker* eventBroker, Octree* octree)
+        : System(eventBroker)
+        , PureSystem("Collidable")
+        , m_Octree(octree)
+    { }
+
+    virtual void Update(World* world, double dt) override;
+    virtual void UpdateComponent(World* world, ComponentWrapper& component, double dt) override;
+
+private:
+    Octree* m_Octree;
+};

include/Engine/Collision/Collision.h

@@ -6,11 +6,13 @@
 //or you will get "fatal error C1189: #error:  gl.h included before glew.h"
 
 #include <vector>
+#include <boost/optional.hpp>
 
-#include "Core/Ray.h"
-#include "Core/AABB.h"
-#include "Engine/Rendering/RawModel.h"
-#include "Core/Entity.h"
+#include "../Core/Ray.h"
+#include "../Core/AABB.h"
+#include "../Rendering/RawModel.h"
+#include "../Rendering/RenderQueueFactory.h"
+#include "../Core/Entity.h"
 
 class World;
 struct ComponentWrapper;
@@ -50,9 +52,8 @@ 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(World* world, EntityID entity);
 
 }
 

include/Engine/Collision/CollisionSystem.h

@@ -4,16 +4,19 @@
 #include <GLFW/glfw3.h>
 #include <glm/common.hpp>
 
-#include "Common.h"
-#include "Core/System.h"
-#include "Core/EventBroker.h"
-#include "Core/EKeyUp.h"
+#include "../Common.h"
+#include "../Core/System.h"
+#include "../Core/EventBroker.h"
+#include "../Core/EKeyUp.h"
+#include "../Core/Octree.h"
 
 class CollisionSystem : public PureSystem
 {
 public:
-    CollisionSystem(EventBroker* eventBroker)
-        : PureSystem(eventBroker, "AABB")
+    CollisionSystem(EventBroker* eventBroker, Octree* octree)
+        : System(eventBroker)
+        , PureSystem("AABB")
+        , m_Octree(octree)
         , zPress(false)
     {
         //TODO: Debug stuff, remove later.
@@ -23,7 +26,9 @@ public:
     virtual void UpdateComponent(World* world, ComponentWrapper& cAABB, double dt) override;
 
 private:
+    Octree* m_Octree;
     bool zPress;
+
     EventRelay<CollisionSystem, Events::KeyUp> m_EKeyUp;
     bool OnKeyUp(const Events::KeyUp &event);
 };

include/Engine/Collision/TriggerSystem.h

@@ -4,8 +4,9 @@
 #include <glm/common.hpp>
 #include <unordered_set>
 
-#include "Core/System.h"
-#include "Core/EventBroker.h"
+#include "../Core/System.h"
+#include "../Core/EventBroker.h"
+#include "../Core/Octree.h"
 #include "ETrigger.h"
 
 class AABB;
@@ -13,13 +14,16 @@ class AABB;
 class TriggerSystem : public PureSystem
 {
 public:
-    TriggerSystem(EventBroker* eventBroker)
-        : PureSystem(eventBroker, "Trigger")
-    {}
+    TriggerSystem(EventBroker* eventBroker, Octree* octree)
+        : System(eventBroker)
+        , PureSystem("Trigger")
+        , m_Octree(octree)
+    { }
 
     virtual void UpdateComponent(World* world, ComponentWrapper& collision, double dt) override;
 
 private:
+    Octree* m_Octree;
     std::unordered_map<EntityID, std::unordered_set<EntityID>> m_EntitiesTouchingTrigger;
     std::unordered_map<EntityID, std::unordered_set<EntityID>> m_EntitiesCompletelyInTrigger;