Fixed forward rendering for transparensy

src/GameWorld.cpp

@@ -33,7 +33,7 @@ void GameWorld::Initialize()
  		CommitEntity(ground);
  	}
 
-	for(int i = 0; i < 50; i++)
+	for(int i = 0; i < 500; i++)
 	{
 		auto Light = CreateEntity();
 		auto transform = AddComponent<Components::Transform>(Light, "Transform");
@@ -92,8 +92,8 @@ void GameWorld::Initialize()
  			auto transform = AddComponent<Components::Transform>(wheel, "Transform");
  			transform->Position = glm::vec3(1.4f, 0.5546f - 0.6577f - 0.2, -0.9242f);
  			transform->Scale = glm::vec3(1.0f);
- 			//auto model = AddComponent<Components::Model>(wheel, "Model");
+ 			auto model = AddComponent<Components::Model>(wheel, "Model");
- 			//model->ModelFile = "Models/Jeep/WheelFront/wheelFront.obj";
+ 			model->ModelFile = "Models/Jeep/WheelFront/wheelFront.obj";
  			auto Wheel = AddComponent<Components::Wheel>(wheel, "Wheel");
  			Wheel->Hardpoint = transform->Position + glm::vec3(0.f, 1.f, 0.f);
  			Wheel->AxleID = 0;
@@ -112,8 +112,8 @@ void GameWorld::Initialize()
  			transform->Position = glm::vec3(-1.4f, 0.5546f - 0.6577f - 0.2, -0.9242f);
  			transform->Scale = glm::vec3(1.0f);
  			transform->Orientation = glm::angleAxis(glm::pi<float>(), glm::vec3(0, 0, 1));
- 			//auto model = AddComponent<Components::Model>(wheel, "Model");
+ 			auto model = AddComponent<Components::Model>(wheel, "Model");
- 			//model->ModelFile = "Models/Jeep/WheelFront/wheelFront.obj";
+ 			model->ModelFile = "Models/Jeep/WheelFront/wheelFront.obj";
  			auto Wheel = AddComponent<Components::Wheel>(wheel, "Wheel");
  			Wheel->Hardpoint = transform->Position + glm::vec3(0.f, 1.f, 0.f);
  			Wheel->AxleID = 0;
@@ -130,8 +130,8 @@ void GameWorld::Initialize()
  			auto wheel = CreateEntity(jeep);
  			auto transform = AddComponent<Components::Transform>(wheel, "Transform");
  			transform->Position = glm::vec3(0.2726f, 0.2805f - 0.6577f, 1.9307f);
- 			//auto model = AddComponent<Components::Model>(wheel, "Model");
+ 			auto model = AddComponent<Components::Model>(wheel, "Model");
- 			//model->ModelFile = "Models/Jeep/WheelBack/wheelBack.obj";
+ 			model->ModelFile = "Models/Jeep/WheelBack/wheelBack.obj";
  			auto Wheel = AddComponent<Components::Wheel>(wheel, "Wheel");
  			Wheel->Hardpoint = transform->Position + glm::vec3(0.f, 1.f, 0.f);
  			Wheel->AxleID = 1;
@@ -148,8 +148,8 @@ void GameWorld::Initialize()
  			auto transform = AddComponent<Components::Transform>(wheel, "Transform");
  			transform->Position = glm::vec3(-0.2726f, 0.2805f - 0.6577f, 1.9307f);
  			transform->Orientation = glm::angleAxis(glm::pi<float>(), glm::vec3(0, 0, 1));
-			//auto model = AddComponent<Components::Model>(wheel, "Model");
+			auto model = AddComponent<Components::Model>(wheel, "Model");
-			//model->ModelFile = "Models/Jeep/WheelBack/wheelBack.obj";
+			model->ModelFile = "Models/Jeep/WheelBack/wheelBack.obj";
  			auto Wheel = AddComponent<Components::Wheel>(wheel, "Wheel");
  			Wheel->Hardpoint = transform->Position + glm::vec3(0.f, 1.f, 0.f);
  			Wheel->AxleID = 1;

src/Renderer.cpp

@@ -111,6 +111,11 @@ void Renderer::LoadContent()
 	m_ShaderProgramSkybox.Compile();
 	m_ShaderProgramSkybox.Link();*/
 
+	m_ForwardRendering.AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/ForwardRendering.vert.glsl")));
+	m_ForwardRendering.AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/ForwardRendering.frag.glsl")));
+	m_ForwardRendering.Compile();
+	m_ForwardRendering.Link();
+
 	m_ShaderProgramShadows.AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/ShadowMap.vert.glsl")));
 	m_ShaderProgramShadows.AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/ShadowMap.frag.glsl")));
 	m_ShaderProgramShadows.Compile();
@@ -711,6 +716,11 @@ void Renderer::DrawFBO()
 	glDrawArrays(GL_TRIANGLES, 0, 6);
 }
 
+void Renderer::DrawFBO2()
+{
+	ForwardRendering();
+}
+
 void Renderer::DrawFBOScene()
 {	
 // 	glEnable(GL_DEPTH_TEST);//Tests where objects are and display them correctly
@@ -734,7 +744,6 @@ void Renderer::DrawFBOScene()
 
 	glm::vec3 sunDirection = m_SunTarget - m_SunPosition;
 	glm::vec3 sunDirection_cameraview = glm::vec3(m_Camera->ProjectionMatrix() * m_Camera->ViewMatrix() * glm::vec4(sunDirection, 1.0));
-	//Proj * view * vector
 
 	glActiveTexture(GL_TEXTURE1);
 	glBindTexture(GL_TEXTURE_2D, m_ShadowDepthTexture);
@@ -868,3 +877,45 @@ void Renderer::UpdateSunProjection()
 
 	//Pass the bounding box's extents to glOrtho or similar to set up the orthographic projection matrix for the shadow map.
 }
+
+void Renderer::ForwardRendering()
+{
+	glBindFramebuffer(GL_FRAMEBUFFER, 0);
+	glViewport(0, 0, WIDTH, HEIGHT);
+
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	glClearColor(0.0f, 0.5f, 0.0f, 1.0f);
+
+	glEnable(GL_DEPTH_TEST);
+	glEnable(GL_CULL_FACE);
+	glCullFace(GL_BACK);
+
+	glm::mat4 cameraMatrix = m_Camera->ProjectionMatrix() * m_Camera->ViewMatrix();
+	glm::mat4 MVP;
+
+	m_ForwardRendering.Bind();
+
+	for (auto tuple : ModelsToRender) //// Todo: Add so it's TransparentModelsToRender
+	{
+		Model* model;
+		glm::mat4 modelMatrix;
+		bool visible;
+		std::tie(model, modelMatrix, visible, std::ignore) = tuple;
+		if (!visible)
+			continue;
+
+		MVP = cameraMatrix * modelMatrix;
+		glUniformMatrix4fv(glGetUniformLocation(m_ForwardRendering.GetHandle(), "MVP"), 1, GL_FALSE, glm::value_ptr(MVP));
+		glUniformMatrix4fv(glGetUniformLocation(m_ForwardRendering.GetHandle(), "M"), 1, GL_FALSE, glm::value_ptr(modelMatrix));
+		glUniformMatrix4fv(glGetUniformLocation(m_ForwardRendering.GetHandle(), "V"), 1, GL_FALSE, glm::value_ptr(m_Camera->ViewMatrix()));
+		glUniformMatrix4fv(glGetUniformLocation(m_ForwardRendering.GetHandle(), "P"), 1, GL_FALSE, glm::value_ptr(m_Camera->ProjectionMatrix()));
+
+		glBindVertexArray(model->VAO);
+		for (auto texGroup : model->TextureGroups)
+		{
+			glActiveTexture(GL_TEXTURE0);
+			glBindTexture(GL_TEXTURE_2D, *texGroup.Texture);
+			glDrawArrays(GL_TRIANGLES, texGroup.StartIndex, texGroup.EndIndex - texGroup.StartIndex + 1);
+		}
+	}
+}

src/Renderer.h

@@ -127,6 +127,7 @@ private:
 	ShaderProgram m_SecondPassProgram;
 	ShaderProgram m_SecondPassProgram_Debug;
 	ShaderProgram m_FinalPassProgram;
+	ShaderProgram m_ForwardRendering;
 
 	ShaderProgram m_ShaderProgramNormals;
 	ShaderProgram m_ShaderProgramShadows;
@@ -143,12 +144,14 @@ private:
 	void CreateShadowMap(int resolution);
 	void FrameBufferTextures();
 	void DrawFBO();
+	void DrawFBO2();
 	void DrawFBOScene();
 	void DrawLightScene();
 	void BindFragDataLocation();
 	glm::mat4 CreateLightMatrix(Light &_light);
 	void UpdateSunProjection();
 	void CreateNormalMapTangent();
+	void ForwardRendering();
 
 	
 	GLuint CreateQuad();

src/Shaders/ForwardRendering.frag.glsl

@@ -0,0 +1,18 @@
+#version 430
+
+layout(binding=0) uniform sampler2D texture0;
+
+in VertexData {
+	vec3 Position;
+	vec3 Normal;
+	vec2 TextureCoord;
+} Input;
+ 
+out vec4 fragmentColor;
+
+void main() {
+	// Texture
+	vec4 texel = texture(texture0, Input.TextureCoord);
+
+	fragmentColor = texel;
+}

src/Shaders/ForwardRendering.vert.glsl

@@ -0,0 +1,25 @@
+#version 430
+
+uniform mat4 MVP;
+uniform mat4 M;
+uniform mat4 V;
+uniform mat4 P;
+
+layout (location = 0) in vec3 Position;
+layout (location = 1) in vec3 Normal;
+layout (location = 2) in vec2 TextureCoord;
+
+out VertexData {
+	vec3 Position;
+	vec3 Normal;
+	vec2 TextureCoord;
+} Output;
+
+void main()
+{
+	gl_Position = MVP * vec4(Position, 1.0);
+
+	Output.Position = Position;
+	Output.Normal = Normal;
+	Output.TextureCoord = TextureCoord;
+}

vs11/Returngeance/Returngeance.vcxproj

@@ -169,6 +169,8 @@
     <None Include="..\..\src\Shaders\AABB.frag.glsl" />
     <None Include="..\..\src\Shaders\FinalPass.frag.glsl" />
     <None Include="..\..\src\Shaders\FinalPass.vert.glsl" />
+    <None Include="..\..\src\Shaders\ForwardRendering.frag.glsl" />
+    <None Include="..\..\src\Shaders\ForwardRendering.vert.glsl" />
     <None Include="..\..\src\Shaders\Fragment.glsl" />
     <None Include="..\..\src\Shaders\Fragment2-Debug.glsl" />
     <None Include="..\..\src\Shaders\Fragment2.glsl" />

vs11/Returngeance/Returngeance.vcxproj.filters

@@ -277,5 +277,11 @@
     <None Include="..\..\src\Shaders\FinalPass.frag.glsl">
       <Filter>Shaders</Filter>
     </None>
+    <None Include="..\..\src\Shaders\ForwardRendering.frag.glsl">
+      <Filter>Shaders</Filter>
+    </None>
+    <None Include="..\..\src\Shaders\ForwardRendering.vert.glsl">
+      <Filter>Shaders</Filter>
+    </None>
   </ItemGroup>
 </Project>