[FIXED] merge

src/collision/collision.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <glm/gtc/matrix_transform.hpp>
+#include "../entities/entity.h"
+
+namespace collision
+{
+	/*
+	 * This structure represents a collision box inside the world.
+	 *
+	 * center_pos:	The center position of the collision box
+	 * size:		The size in each axis of the collision box
+	 */
+	struct Box
+	{
+		glm::vec3 center_pos;
+		glm::vec3 size;
+	};
+
+	/*
+	 * This structure represents a collision between 2 entities
+	 *
+	 * entity1:		The first entity
+	 * entity2:		The second entity
+	 */
+	struct Collision
+	{
+		entities::Entity& entity1;
+		entities::Entity& entity2;
+	};
+}

src/collision/collision_handler.cpp

@@ -0,0 +1,40 @@
+#include "collision_handler.h"
+
+namespace collision
+{
+	void CheckCollisions(std::vector<entities::CollisionEntity*>& entities)
+	{
+		if (entities.size() == 2)
+		{			
+			if (entities[0]->IsColliding(*entities[1]))
+			{
+				collision::Collision c = { *entities[0], *entities[1] };
+				entities[0]->OnCollide(c);
+				entities[1]->OnCollide(c);
+			}
+		}
+		
+		for (int i = 0; i < entities.size() - 2; i++)
+		{			
+		 	entities::CollisionEntity* entity = entities[i];
+		 	
+		 	for (int j = i + 1; i < entities.size() - 1; j++)
+		 	{
+		 		entities::CollisionEntity* entity2 = entities[j];
+		 		
+		 		if (entity == entity2)
+		 		{
+		 			continue;
+		 		}
+		 		
+		 		if (entity->IsColliding(*entity2))
+		 		{
+		 			collision::Collision c = { *entity, *entity2 };
+		 			entity->OnCollide(c);
+		 			entity2->OnCollide(c);
+		 			break;
+		 		}
+		 	}
+		}
+	}
+}

src/collision/collision_handler.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <vector>
+#include "../entities/collision_entity.h"
+#include "collision.h"
+
+namespace collision
+{
+	/*
+	 * @brief: This function will check all the collision entities for
+	 *         collisions and call the OnCollide function when a entity collides.
+	 *
+	 * @param entities: A list with all the collision entities.
+	 */
+	void CheckCollisions(std::vector<entities::CollisionEntity*>& entities);
+}

src/entities/Entity.h

@@ -11,8 +11,9 @@ namespace entities
 	
 	class Entity
 	{
-	private:
+	protected:
 		models::TexturedModel model;
+		
 		glm::vec3 position;
 		glm::vec3 rotation;
 		float scale;

src/entities/collision_entity.cpp

@@ -0,0 +1,44 @@
+#include "collision_entity.h"
+
+namespace entities
+{
+	CollisionEntity::CollisionEntity(const models::TexturedModel& model, const glm::vec3& position,
+		const glm::vec3& rotation, float scale, const collision::Box& bounding_box)
+		: Entity(model, position, rotation, scale),
+		bounding_box(bounding_box)
+	{
+		MoveCollisionBox();
+	}
+
+	void CollisionEntity::OnCollide(const collision::Collision& collision)
+	{
+		if (on_collide != nullptr)
+		{
+			on_collide(collision);
+		}
+	}
+
+	bool CollisionEntity::IsColliding(const glm::vec3& point) const
+	{
+		return (point.x >= min_xyz.x && point.x <= max_xyz.x) &&
+			(point.y >= min_xyz.y && point.y <= max_xyz.y) &&
+			(point.z >= min_xyz.z && point.z <= max_xyz.z);
+	}
+
+	bool CollisionEntity::IsColliding(const CollisionEntity& e) const
+	{
+		return (min_xyz.x <= e.max_xyz.x && max_xyz.x >= e.min_xyz.x) &&
+			(min_xyz.y <= e.max_xyz.y && max_xyz.y >= e.min_xyz.y) &&
+			(min_xyz.z <= e.max_xyz.z && max_xyz.z >= e.min_xyz.z);
+	}
+
+	void CollisionEntity::MoveCollisionBox()
+	{
+		bounding_box.center_pos = position;
+		
+		const glm::vec3 size = bounding_box.size;
+
+		min_xyz = bounding_box.center_pos;
+		max_xyz = glm::vec3(min_xyz.x + size.x, min_xyz.y + size.y, min_xyz.z + size.z);
+	}
+}

src/entities/collision_entity.h

@@ -0,0 +1,65 @@
+#pragma once
+
+#include "entity.h"
+#include "../collision/collision.h"
+
+namespace entities
+{
+	/*
+	 * This class is an entity with a collision box
+	 */
+	class CollisionEntity : public Entity
+	{
+	public:
+		collision::Box bounding_box;
+
+		glm::vec3 min_xyz;
+		glm::vec3 max_xyz;
+
+		void (*on_collide)(const collision::Collision& collision);
+
+	public:
+		CollisionEntity(const models::TexturedModel& model, const glm::vec3& position, const glm::vec3& rotation,
+			float scale, const collision::Box& bounding_box);
+
+		/*
+		 * @brief: A function to do some sort of behaviour when the entity collides
+		 *
+		 * @param collision: The collision
+		 */
+		virtual void OnCollide(const collision::Collision& collision);
+
+		/*
+		 * @brief: A function to check if the entity is colliding with a point in 3D space
+		 *
+		 * @param point: The point to check if its colliding with the entity
+		 *
+		 * @return: True is the entity is colliding, false if not
+		 */
+		bool IsColliding(const glm::vec3& point) const;
+
+		/*
+		 * @brief: A function to check if the entity is colliding with another entity
+		 *
+		 * @param e: The other entity to check if its colliding with this
+		 *
+		 * @return: True is the entity is colliding, false if not
+		 */
+		bool IsColliding(const CollisionEntity& e) const;
+
+		/*
+		 * @brief: A function to set the collision behaviour of the entity
+		 *
+		 * @param function: A function pointer to a function with the collision behaviour
+		 */
+		void SetCollisionBehaviour(void (*function)(const collision::Collision& collision))
+		{ if (function != nullptr) { on_collide = function; } }
+
+	protected:
+
+		/*
+		 * @brief: This method moves the collision to the center of the entity
+		 */
+		void MoveCollisionBox();
+	};
+}

src/main.cpp

@@ -49,14 +49,9 @@ int main(void)
     
     current_scene = new scene::Startup_Scene();
 
-
-	
-
     glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods)
         {
             current_scene->onKey(window, key, scancode, action, mods);
-            if (key == GLFW_KEY_ESCAPE)
-                glfwSetWindowShouldClose(window, true);
         });
 
     bool window_open = true;
@@ -90,7 +85,6 @@ int main(void)
 
 	// Clean up -> preventing memory leaks!!!
     std::cout << "ending..." << std::endl;
-    delete current_scene;
 	glfwTerminate();
     return 0;
 }

src/scenes/scene.cpp

@@ -1,7 +0,0 @@
-#include "scene.h"
-
-namespace scene
-{
-
-}
-

wk2_fps.vcxproj

@@ -19,9 +19,10 @@
     </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="src\collision\collision_handler.cpp" />
     <ClCompile Include="src\scenes\in_Game_Scene.cpp" />
-    <ClCompile Include="src\scenes\scene.cpp" />
     <ClCompile Include="src\entities\camera.cpp" />
+    <ClCompile Include="src\entities\collision_entity.cpp" />
     <ClCompile Include="src\entities\entity.cpp" />
     <ClCompile Include="src\gui\gui_interactable.cpp" />
     <ClCompile Include="src\main.cpp" />
@@ -35,9 +36,12 @@
     <ClCompile Include="src\scenes\startup_Scene.cpp" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="src\collision\collision.h" />
+    <ClInclude Include="src\collision\collision_handler.h" />
     <ClInclude Include="src\scenes\in_Game_Scene.h" />
     <ClInclude Include="src\scenes\scene.h" />
     <ClInclude Include="src\entities\camera.h" />
+    <ClInclude Include="src\entities\collision_entity.h" />
     <ClInclude Include="src\entities\entity.h" />
     <ClInclude Include="src\entities\light.h" />
     <ClInclude Include="src\gui\gui_element.h" />

wk2_fps.vcxproj.filters

@@ -48,15 +48,18 @@
     <ClCompile Include="src\gui\gui_interactable.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="src\scenes\scene.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="src\scenes\in_Game_Scene.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
     <ClCompile Include="src\scenes\startup_Scene.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="src\entities\collision_entity.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="src\collision\collision_handler.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="src\entities\Camera.h">
@@ -110,5 +113,14 @@
     <ClInclude Include="src\scenes\startup_Scene.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="src\entities\collision_entity.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="src\collision\collision.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="src\collision\collision_handler.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>