Children transforms relative to parents using TransformSystem::AbsolutePosition and TransformSystem::AbsoluteOrientation

Escape-the-Dawn/Components/Model.h

@@ -11,8 +11,10 @@ namespace Components
 
 struct Model : Component
 {
-	const char* ModelFile;
+	Model() : Visible(true) { }
+	std::string ModelFile;
 	Color Color;
+	bool Visible;
 };
 
 }

Escape-the-Dawn/Escape-the-Dawn.vcxproj

@@ -110,6 +110,7 @@
     <ClCompile Include="Renderer.cpp" />
     <ClCompile Include="ShaderProgram.cpp" />
     <ClCompile Include="Systems\CollisionSystem.cpp" />
+    <ClCompile Include="Systems\TransformSystem.cpp" />
     <ClCompile Include="Texture.cpp" />
     <ClCompile Include="TextFrame.cpp" />
     <ClCompile Include="World.cpp" />
@@ -161,6 +162,7 @@
     <ClInclude Include="Systems\PlayerSystem.h" />
     <ClInclude Include="Systems\RenderSystem.h" />
     <ClInclude Include="Systems\SoundSystem.h" />
+    <ClInclude Include="Systems\TransformSystem.h" />
     <ClInclude Include="Texture.h" />
     <ClInclude Include="TextFrame.h" />
     <ClInclude Include="World.h" />

Escape-the-Dawn/Escape-the-Dawn.vcxproj.filters

@@ -47,6 +47,9 @@
     <ClCompile Include="OBJ.cpp" />
     <ClCompile Include="main.cpp" />
     <ClCompile Include="GameWorld.cpp" />
+    <ClCompile Include="Systems\TransformSystem.cpp">
+      <Filter>Systems</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Component.h" />
@@ -148,6 +151,9 @@
     <ClInclude Include="Camera.h" />
     <ClInclude Include="OBJ.h" />
     <ClInclude Include="OpenGL.h" />
+    <ClInclude Include="Systems\TransformSystem.h">
+      <Filter>Systems</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="Shaders\Fragment.glsl">

Escape-the-Dawn/GameWorld.cpp

@@ -5,14 +5,6 @@ void GameWorld::Initialize()
 {
 	World::Initialize();
 
-	AddSystem("LevelGenerationSystem");
-	AddSystem("InputSystem");
-	AddSystem("CollisionSystem");
-	//AddSystem("ParticleSystem");
-	AddSystem("PlayerSystem");
-	AddSystem("SoundSystem");
-	AddSystem("RenderSystem");
-
 	std::shared_ptr<Components::Transform> transform;
 	std::shared_ptr<Components::Model> model;
 	std::shared_ptr<Components::PointLight> pointLight;
@@ -21,11 +13,8 @@ void GameWorld::Initialize()
 	std::shared_ptr<Components::Collision> collision;
 	EntityID ent;
 
-
-
-
 	// Fucking lights
-	ent = CreateEntity();
+	/*ent = CreateEntity();
 	transform = AddComponent<Components::Transform>(ent, "Transform");
 	transform->Position = glm::vec3(0.f, 7.f, 0.f);
 	pointLight = AddComponent<Components::PointLight>(ent, "PointLight");
@@ -60,7 +49,7 @@ void GameWorld::Initialize()
 	pointLight->quadraticAttenuation = 0.f;
 	pointLight->spotExponent = 0.0f;
 	model = AddComponent<Components::Model>(ent, "Model");
-	model->ModelFile = "Models/sphere.obj";
+	model->ModelFile = "Models/sphere.obj";*/
 
 	//ground
 	ent = CreateEntity();
@@ -91,13 +80,6 @@ void GameWorld::Initialize()
 	transform->Scale = glm::vec3(1.0f);
 	model = AddComponent<Components::Model>(m_Player, "Model");
 	model->ModelFile = "Models/ship.obj";
-	pointLight = AddComponent<Components::PointLight>(m_Player, "PointLight");
-	pointLight->Specular = glm::vec3(1.0,  1.0,  1.0);
-	pointLight->Diffuse = glm::vec3(0.4,  0.4,  1.0);
-	pointLight->constantAttenuation = 0.f;
-	pointLight->linearAttenuation = 1.f;
-	pointLight->quadraticAttenuation = 0.f;
-	pointLight->spotExponent = 0.0f;
 	AddComponent<Components::Input>(m_Player, "Input");
 	collision = AddComponent<Components::Collision>(m_Player, "Collision");
 	collision->Phantom = false;
@@ -105,12 +87,43 @@ void GameWorld::Initialize()
 	bounds = AddComponent<Components::Bounds>(m_Player, "Bounds");
 	bounds->Origin = glm::vec3(0, 0, 2.f);
 	bounds->VolumeVector = glm::vec3(4.f, 0.7f, 1);
-
+	// Player light
-
+	auto playerLight = CreateEntity(m_Player);
-	
+	transform = AddComponent<Components::Transform>(playerLight, "Transform");
-	
+	transform->Position = glm::vec3(1.5f, 0.25f, 2.5f);
-	
+	pointLight = AddComponent<Components::PointLight>(playerLight, "PointLight");
-
+	pointLight->Specular = glm::vec3(0.1f, 0.1f, 0.1f);
+	pointLight->Diffuse = glm::vec3(0.45f, 0.65f, 1.f);
+	pointLight->constantAttenuation = 0.f;
+	pointLight->linearAttenuation = 0.9f;
+	pointLight->quadraticAttenuation = 0.f;
+	pointLight->spotExponent = 0.0f;
+	bounds = AddComponent<Components::Bounds>(playerLight, "Bounds");
+	bounds->VolumeVector = glm::vec3(0.5f);
+	playerLight = CreateEntity(m_Player);
+	transform = AddComponent<Components::Transform>(playerLight, "Transform");
+	transform->Position = glm::vec3(-1.5f, 0.25f, 2.5f);
+	pointLight = AddComponent<Components::PointLight>(playerLight, "PointLight");
+	pointLight->Specular = glm::vec3(0.1f, 0.1f, 0.1f);
+	pointLight->Diffuse = glm::vec3(0.45f, 0.65f, 1.f);
+	pointLight->constantAttenuation = 0.f;
+	pointLight->linearAttenuation = 0.9f;
+	pointLight->quadraticAttenuation = 0.f;
+	pointLight->spotExponent = 0.0f;
+	bounds = AddComponent<Components::Bounds>(playerLight, "Bounds");
+	bounds->VolumeVector = glm::vec3(0.5f);
+	playerLight = CreateEntity(m_Player);
+	transform = AddComponent<Components::Transform>(playerLight, "Transform");
+	transform->Position = glm::vec3(0.0f, 2.0f, 2.5f);
+	pointLight = AddComponent<Components::PointLight>(playerLight, "PointLight");
+	pointLight->Specular = glm::vec3(0.1f, 0.1f, 0.1f);
+	pointLight->Diffuse = glm::vec3(0.45f, 0.65f, 1.f);
+	pointLight->constantAttenuation = 0.f;
+	pointLight->linearAttenuation = 1.0f;
+	pointLight->quadraticAttenuation = 0.f;
+	pointLight->spotExponent = 0.0f;
+	bounds = AddComponent<Components::Bounds>(playerLight, "Bounds");
+	bounds->VolumeVector = glm::vec3(0.5f);
 
 	/*ent = CreateEntity();
 	transform = AddComponent<Components::Transform>(ent, "Transform");
@@ -155,5 +168,18 @@ void GameWorld::RegisterSystems()
 	//m_SystemFactory.Register("ParticleSystem", [this]() { return new Systems::ParticleSystem(this); });
 	m_SystemFactory.Register("PlayerSystem", [this]() { return new Systems::PlayerSystem(this); });
 	m_SystemFactory.Register("SoundSystem", [this]() { return new Systems::SoundSystem(this); });
+	m_SystemFactory.Register("TransformSystem", [this]() { return new Systems::TransformSystem(this); });
 	m_SystemFactory.Register("RenderSystem", [this]() { return new Systems::RenderSystem(this, m_Renderer); });
 }
+
+void GameWorld::AddSystems()
+{
+	AddSystem("TransformSystem");
+	AddSystem("LevelGenerationSystem");
+	AddSystem("InputSystem");
+	AddSystem("CollisionSystem");
+	//AddSystem("ParticleSystem");
+	AddSystem("PlayerSystem");
+	AddSystem("SoundSystem");
+	AddSystem("RenderSystem");
+}

Escape-the-Dawn/GameWorld.h

@@ -4,6 +4,7 @@
 #include "World.h"
 #include "Renderer.h"
 
+#include "Systems/TransformSystem.h"
 #include "Systems/CollisionSystem.h"
 #include "Systems/InputSystem.h"
 #include "Systems/LevelGenerationSystem.h"
@@ -36,9 +37,10 @@ public:
 	void Initialize();
 
 	void RegisterSystems() override;
+	void AddSystems() override;
 	void RegisterComponents() override;
 
-	void Update(double dt) ;
+	void Update(double dt);
 
 private:
 	std::shared_ptr<Renderer> m_Renderer;

Escape-the-Dawn/Renderer.cpp

@@ -14,7 +14,7 @@ Renderer::Renderer()
 #endif
 
 	m_ShadowMapRes = 2048*2;
-	m_SunPosition = glm::vec3(0, 0.3f, 10);
+	m_SunPosition = glm::vec3(0, 1.5f, 10);
 	m_SunTarget = glm::vec3(0, 0, 0);
 	m_SunProjection = glm::ortho<float>(-200, 200, -10, 100, -800, 800);
 	Lights = 0;
@@ -216,7 +216,11 @@ void Renderer::DrawScene()
 	{
 		Model* model;
 		glm::mat4 modelMatrix;
-		std::tie(model, modelMatrix) = tuple;
+		bool visible;
+		std::tie(model, modelMatrix, visible) = tuple;
+		if (!visible)
+			continue;
+
 		MVP = cameraMatrix * modelMatrix;
 		depthMVP = depthCameraMatrix * modelMatrix;
 		glUniformMatrix4fv(glGetUniformLocation(m_ShaderProgram.GetHandle(), "MVP"), 1, GL_FALSE, glm::value_ptr(MVP));
@@ -267,7 +271,8 @@ void Renderer::DrawShadowMap()
 	{
 		Model* model;
 		glm::mat4 modelMatrix;
-		std::tie(model, modelMatrix) = tuple;
+		bool visible;
+		std::tie(model, modelMatrix, visible) = tuple;
 
 		MVP = depthCamera * modelMatrix;
 		glUniformMatrix4fv(glGetUniformLocation(m_ShaderProgramShadows.GetHandle(), "MVP"), 1, GL_FALSE, glm::value_ptr(MVP));
@@ -296,26 +301,26 @@ void Renderer::DrawDebugShadowMap()
 
 void Renderer::DrawModels(ShaderProgram &shader)
 {
-	glm::mat4 cameraMatrix = m_Camera->ProjectionMatrix() * m_Camera->ViewMatrix();
+	/*glm::mat4 cameraMatrix = m_Camera->ProjectionMatrix() * m_Camera->ViewMatrix();
 
 	glm::mat4 MVP;
 	for (auto tuple : ModelsToRender)
 	{
-		Model* model;
+	Model* model;
-		glm::mat4 modelMatrix;
+	glm::mat4 modelMatrix;
-		std::tie(model, modelMatrix) = tuple;
+	std::tie(model, modelMatrix) = tuple;
 
-		MVP = cameraMatrix * modelMatrix;
+	MVP = cameraMatrix * modelMatrix;
-		glUniformMatrix4fv(glGetUniformLocation(shader.GetHandle(), "MVP"), 1, GL_FALSE, glm::value_ptr(MVP));
+	glUniformMatrix4fv(glGetUniformLocation(shader.GetHandle(), "MVP"), 1, GL_FALSE, glm::value_ptr(MVP));
-		glUniformMatrix4fv(glGetUniformLocation(shader.GetHandle(), "model"), 1, GL_FALSE, glm::value_ptr(modelMatrix));
+	glUniformMatrix4fv(glGetUniformLocation(shader.GetHandle(), "model"), 1, GL_FALSE, glm::value_ptr(modelMatrix));
-		glUniformMatrix4fv(glGetUniformLocation(shader.GetHandle(), "view"), 1, GL_FALSE, glm::value_ptr(m_Camera->ViewMatrix()));
+	glUniformMatrix4fv(glGetUniformLocation(shader.GetHandle(), "view"), 1, GL_FALSE, glm::value_ptr(m_Camera->ViewMatrix()));
-		glBindVertexArray(model->VAO);
+	glBindVertexArray(model->VAO);
-		for (auto texGroup : model->TextureGroups) {
+	for (auto texGroup : model->TextureGroups) {
-			glActiveTexture(GL_TEXTURE0);
+	glActiveTexture(GL_TEXTURE0);
-			glBindTexture(GL_TEXTURE_2D, texGroup.Texture->texture); 
+	glBindTexture(GL_TEXTURE_2D, texGroup.Texture->texture); 
-			glDrawArrays(GL_TRIANGLES, texGroup.StartIndex, texGroup.EndIndex - texGroup.StartIndex + 1);
+	glDrawArrays(GL_TRIANGLES, texGroup.StartIndex, texGroup.EndIndex - texGroup.StartIndex + 1);
-		}
 	}
+	}*/
 }
 
 void Renderer::DrawText()
@@ -328,11 +333,11 @@ void Renderer::AddTextToDraw()
 	//Add to draw shit vector
 }
 
-void Renderer::AddModelToDraw(std::shared_ptr<Model> model, glm::vec3 position, glm::quat orientation, glm::vec3 scale)
+void Renderer::AddModelToDraw(std::shared_ptr<Model> model, glm::vec3 position, glm::quat orientation, glm::vec3 scale, bool visible)
 {
 	glm::mat4 modelMatrix = glm::translate(glm::mat4(), position) * glm::toMat4(orientation) * glm::scale(scale);
 	// You can now use ModelMatrix to build the MVP matrix
-	ModelsToRender.push_back(std::make_tuple(model.get(), modelMatrix));
+	ModelsToRender.push_back(std::make_tuple(model.get(), modelMatrix, visible));
 }
 
 void Renderer::AddPointLightToDraw(

Escape-the-Dawn/Renderer.h

@@ -30,7 +30,7 @@ public:
 
 	int HEIGHT, WIDTH;
 
-	std::list<std::tuple<Model*, glm::mat4>> ModelsToRender;
+	std::list<std::tuple<Model*, glm::mat4, bool>> ModelsToRender;
 	int Lights;
 	std::vector<float> Light_position;
 	std::vector<float> Light_specular;
@@ -47,7 +47,7 @@ public:
 	void Draw(double dt);
 	void DrawText();
 
-	void AddModelToDraw(std::shared_ptr<Model> model, glm::vec3 position, glm::quat orientation, glm::vec3 scale);
+	void AddModelToDraw(std::shared_ptr<Model> model, glm::vec3 position, glm::quat orientation, glm::vec3 scale, bool visible);
 	void AddTextToDraw();
 	void AddPointLightToDraw(
 		glm::vec3 _position,

Escape-the-Dawn/System.h

@@ -13,6 +13,8 @@ public:
 	System(World* world) : m_World(world) { }
 	virtual ~System() { }
 
+	virtual void Initialize() { }
+
 	// Called once per system every tick
 	virtual void Update(double dt) { }
 	// Called once for every entity in the world every tick

Escape-the-Dawn/Systems/LevelGenerationSystem.cpp

@@ -93,6 +93,7 @@ void Systems::LevelGenerationSystem::Update( double dt )
 	for(auto ent : obstacles)
 	{
 		auto transform = m_World->GetComponent<Components::Transform>(ent, "Transform");
+		auto model = m_World->GetComponent<Components::Model>(ent, "Model");
 
 		transform->Velocity.z = velocity;
 		transform->Position += transform->Velocity * (float)dt;
@@ -103,7 +104,12 @@ void Systems::LevelGenerationSystem::Update( double dt )
 			transform->Velocity.y = 0;
 		}
 
-		if(transform->Position.z > 800)
+		if (transform->Position.z > 10 && model->Visible)
+		{
+			model->Visible = false;
+		}
+
+		if(transform->Position.z > 2000)
 		{
 			removethis.push_back(ent);	
 		}

Escape-the-Dawn/Systems/RenderSystem.cpp

@@ -25,7 +25,9 @@ void Systems::RenderSystem::UpdateEntity( double dt, EntityID entity, EntityID p
 		}
 
 		auto model = m_CachedModels[modelComponent->ModelFile];
-		m_Renderer->AddModelToDraw(model, transformComponent->Position, transformComponent->Orientation, transformComponent->Scale);
+		glm::vec3 position = m_TransformSystem->AbsolutePosition(entity);
+		glm::quat orientation = m_TransformSystem->AbsoluteOrientation(entity);
+		m_Renderer->AddModelToDraw(model, position, orientation, transformComponent->Scale, modelComponent->Visible);
 	}
 
 	// Debug draw bounds
@@ -33,7 +35,7 @@ void Systems::RenderSystem::UpdateEntity( double dt, EntityID entity, EntityID p
 	auto collision = m_World->GetComponent<Components::Collision>(entity, "Collision");
 	auto bounds = m_World->GetComponent<Components::Bounds>(entity, "Bounds");
 	if (bounds != nullptr) {
-		glm::vec3 origin = transformComponent->Position + (transformComponent->Scale * bounds->Origin);
+		glm::vec3 origin = m_TransformSystem->AbsolutePosition(entity) + (transformComponent->Scale * bounds->Origin);
 		glm::vec3 volumeVector = transformComponent->Scale * bounds->VolumeVector;
 		m_Renderer->AddAABBToDraw(origin, volumeVector, (collision != nullptr && collision->CollidingEntities.size() > 0));
 	}
@@ -42,8 +44,9 @@ void Systems::RenderSystem::UpdateEntity( double dt, EntityID entity, EntityID p
 	auto pointLightComponent = m_World->GetComponent<Components::PointLight>(entity, "PointLight");
 	if (pointLightComponent != nullptr)
 	{
+		glm::vec3 position = m_TransformSystem->AbsolutePosition(entity);
 		m_Renderer->AddPointLightToDraw(
-			transformComponent->Position, 
+			position, 
 			pointLightComponent->Specular,
 			pointLightComponent->Diffuse,
 			pointLightComponent->constantAttenuation,
@@ -51,6 +54,7 @@ void Systems::RenderSystem::UpdateEntity( double dt, EntityID entity, EntityID p
 			pointLightComponent->quadraticAttenuation,
 			pointLightComponent->spotExponent);
 	}
+
 	auto cameraComponent = m_World->GetComponent<Components::Camera>(entity, "Camera");
 	if (cameraComponent != nullptr)
 	{
@@ -63,6 +67,12 @@ void Systems::RenderSystem::UpdateEntity( double dt, EntityID entity, EntityID p
 	}
 }
 
+void Systems::RenderSystem::Initialize()
+{
+	m_TransformSystem = m_World->GetSystem<Systems::TransformSystem>("TransformSystem");
+}
+
+
 
 
 

Escape-the-Dawn/Systems/RenderSystem.h

@@ -4,6 +4,7 @@
 #include <unordered_map>
 
 #include "System.h"
+#include "Systems/TransformSystem.h"
 #include "Model.h"
 #include "Texture.h"
 #include "Components/Model.h"
@@ -22,6 +23,8 @@ namespace Systems
 		RenderSystem(World* world, std::shared_ptr<Renderer> renderer)
 			: System(world), m_Renderer(renderer){ }
 
+		void Initialize() override;
+
 		std::unordered_map<std::string, std::shared_ptr<Model>> m_CachedModels;
 
 		void OnComponentCreated(std::string type, std::	shared_ptr<Component> component) override;
@@ -29,7 +32,7 @@ namespace Systems
 
 	private:
 		std::shared_ptr<Renderer> m_Renderer;
-
+		std::shared_ptr<Systems::TransformSystem> m_TransformSystem;
 	};
 
 

Escape-the-Dawn/Systems/TransformSystem.cpp

@@ -0,0 +1,47 @@
+#include "TransformSystem.h"
+#include "World.h"
+
+//void Systems::TransformSystem::UpdateEntity(double dt, EntityID entity, EntityID parent)
+//{
+//	if (parent == 0)
+//		return;
+//
+//	auto transform = m_World->GetComponent<Components::Transform>(entity, "Transform");
+//	auto parentTransform = m_World->GetComponent<Components::Transform>(parent, "Transform");
+//
+//	transform->Position = parentTransform->Position + transform->RelativePosition;
+//}
+
+glm::vec3 Systems::TransformSystem::AbsolutePosition(EntityID entity)
+{
+	glm::vec3 absPosition;
+	glm::quat accumulativeOrientation;
+
+	do
+	{
+		auto transform = m_World->GetComponent<Components::Transform>(entity, "Transform");
+		//absPosition += transform->Position;
+		entity = m_World->GetEntityParent(entity);
+		auto transform2 = m_World->GetComponent<Components::Transform>(entity, "Transform");
+		if (entity != 0)
+			absPosition += transform2->Orientation * transform->Position;
+		else
+			absPosition += transform->Position;
+	} while (entity != 0);
+
+	return absPosition * accumulativeOrientation;
+}
+
+glm::quat Systems::TransformSystem::AbsoluteOrientation(EntityID entity) 
+{
+	glm::quat absOrientation;
+
+	do
+	{
+		auto transform = m_World->GetComponent<Components::Transform>(entity, "Transform");
+		absOrientation *= transform->Orientation;
+		entity = m_World->GetEntityParent(entity);
+	} while (entity != 0);
+
+	return absOrientation;
+}

Escape-the-Dawn/Systems/TransformSystem.h

@@ -0,0 +1,25 @@
+#ifndef TransformSystem_h__
+#define TransformSystem_h__
+
+#include "System.h"
+#include "Components/Transform.h"
+
+namespace Systems
+{
+
+	class TransformSystem : public System
+	{
+	public:
+		TransformSystem(World* world)
+			: System(world) { }
+
+		//void Update(double dt) override;
+		//void UpdateEntity(double dt, EntityID entity, EntityID parent) override;
+
+		glm::vec3 AbsolutePosition(EntityID entity);
+		glm::quat AbsoluteOrientation(EntityID entity);
+	};
+
+}
+
+#endif // TransformSystem_h__

Escape-the-Dawn/World.cpp

@@ -107,19 +107,14 @@ World::World()
 void World::Initialize()
 {
 	RegisterSystems();
+	AddSystems();
+	for (auto system : m_Systems) {
+		system.second->Initialize();
+	}
+
 	RegisterComponents();
 }
 
-void World::RegisterSystems()
-{
-
-}
-
-void World::RegisterComponents()
-{
-	
-}
-
 std::shared_ptr<Component> World::AddComponent(EntityID entity, std::string componentType)
 {
 	return AddComponent<Component>(entity, componentType);

Escape-the-Dawn/World.h

@@ -25,8 +25,10 @@ public:
 
 	virtual void Initialize();
 
-	virtual void RegisterComponents();
+	virtual void RegisterSystems() = 0;
-	virtual void RegisterSystems();
+	virtual void AddSystems() = 0;
+	virtual void RegisterComponents() = 0;
+	
 
 	void AddSystem(std::string systemType);
 	template <class T>