Adding a really basic ambient light component

BarinkEngine/src/GUI/GUIManager.cpp

@@ -35,10 +35,8 @@ void GUIManager::Render()
 
     ImGui::NewFrame();
 
-    ImGui::Begin("##App");
 
     ImmediateGraphicsDraw();
-    ImGui::End();
 
     ImGui::Render();
     ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());

BarinkEngine/src/Graphics/Renderer.cpp

@@ -48,16 +48,20 @@ void BarinkEngine::Renderer::Prepare(Scene& scene ) {
 void BarinkEngine::Renderer::Render(Scene& scene)
 {
 	auto group = scene.getReg().view<TransformComponent, Render3DComponent>();
-	group.each([](auto entity , TransformComponent& trans, Render3DComponent& renderComponent) 
+	group.each([&](auto entity , TransformComponent& trans, Render3DComponent& renderComponent) 
 		{
-			
 		glBindVertexArray(renderComponent.VAO);
 		glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, renderComponent.IBO);
 
 		renderComponent.shader.Use();
 
-		renderComponent.shader.setUniformVec3("Color", renderComponent.color);
+		auto lights = scene.getReg().view<LightComponent>();
+		lights.each([&](auto entity, LightComponent& light) {
+		  	renderComponent.shader.setUniformVec3("lighting.color", light.Color);
+			renderComponent.shader.setUniformFloat("lighting.strength", light.Strength);
+		});
 
+		renderComponent.shader.setUniformVec3("Color", renderComponent.color);
 		renderComponent.shader.setUniformMat4("M", trans.transform);
 		renderComponent.shader.setUniformMat4("V", cam.GetViewMatrix());
 		renderComponent.shader.setUniformMat4("P", projection);

BarinkEngine/src/PerfCounter.h

@@ -39,7 +39,7 @@ inline void SamplePerformance(void) {
 
 
 inline void ShowStats() {
-	ImGui::Begin("Statistics", false, ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove);
+	ImGui::Begin("Statistics", false, ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize );
 
 	ImGui::Text("FPS: %i",			ES.FPS);
 	ImGui::Text("Frame Time: %f",	ES.frameTime);

BarinkEngine/src/Scene/Components.h

@@ -12,6 +12,12 @@ namespace BarinkEngine {
 
 	};
 
+	struct LightComponent {
+		float Strength = 1.0f;
+		glm::vec3 Color = glm::vec3(1.0f, 1.0f, 1.0f);
+
+	};
+
 
 	struct CameraComponent {
 		glm::mat4 view;
@@ -22,7 +28,6 @@ namespace BarinkEngine {
 		unsigned int VAO = 0;
 		unsigned int IBO = 0;
 		Mesh mesh;
-
 		// TODO: becomes a material 
 		glm::vec3 color;
 		Shader shader;

BarinkEngine/src/Scene/Scene.cpp

@@ -8,11 +8,12 @@ Scene::Scene()
 Scene::~Scene()
 {}
 
-Entity Scene::AddEntity(std::string& name)
+Entity Scene::AddEntity(std::string name)
 {
 	Entity entity = { m_registry.create(), this };
 
-	entity.AddComponent<BarinkEngine::IdentifierComponent>();
+	auto& ident = entity.AddComponent<BarinkEngine::IdentifierComponent>();
+	ident.name = name;
 	entity.AddComponent<BarinkEngine::TransformComponent>();
 
 

BarinkEngine/src/Scene/Scene.h

@@ -9,7 +9,7 @@ public:
 	Scene();
 	~Scene();
 
-	Entity AddEntity(std::string& name);
+	Entity AddEntity(std::string name);
 
 	entt::registry& getReg() { return m_registry; }
 

SandboxApp/src/Sandbox.cpp

@@ -21,28 +21,36 @@ Entity cube;
 * - USe to initialize the game/sandbox/demo
 */
 void Start() {
-   
-    cube  = scene.AddEntity((std::string&)"cube");
-    auto& render3DComponent = cube.AddComponent<BarinkEngine::Render3DComponent>();
     auto importer = BarinkEngine::ModelImporter();
 
+    // Load in asset(S)
     object = importer.Import("build/Debug/Models/Cube.obj");
     renderable = object->renderable;
 
+
+    // Add Entities to the scene
+    cube  = scene.AddEntity("cube");
+    auto& render3DComponent = cube.AddComponent<BarinkEngine::Render3DComponent>();
     render3DComponent.mesh = *renderable->mesh;
     cube.GetComponent<BarinkEngine::TransformComponent>()
         .transform = glm::rotate(glm::mat4(1.0f), 32.0f, glm::vec3(0.5f,1.0f,0.0f));
 
+
     // Create a second cube
    
-    auto cube2 = scene.AddEntity((std::string&)"Cube2");
+    auto cube2 = scene.AddEntity("Cube2");
     auto& cube2Render = cube2.AddComponent<BarinkEngine::Render3DComponent>();
     cube2Render.mesh = *renderable->mesh;
     cube2Render.color = glm::vec3(0.0f, 1.0f, 0.0f);
     auto& cube2Trans = cube2.GetComponent<BarinkEngine::TransformComponent>();
     cube2Trans.transform = glm::translate( glm::mat4(1.0f), glm::vec3(1.0f,0.0f, 5.0f));
 
-   
+    // Create a light 
+    auto AmbientLight = scene.AddEntity("AmbientLight");
+    AmbientLight.AddComponent<BarinkEngine::LightComponent>();
+
+
+
     renderer.Prepare(scene);
 
 
@@ -53,6 +61,7 @@ void Start() {
 
 
 
+bool showImGuiMetrics = false;
 /*
 * Runs every frame
 * - Use to draw Immediate mode graphics (Not meant for HUD's )
@@ -62,16 +71,47 @@ void ImmediateGraphicsDraw()
     // Show internal BarinkEngine stats
     ShowStats();
 
-    ImGui::Begin("Render edit");
+    ImGui::Begin("Scene view");
+    auto group = scene.getReg().view<BarinkEngine::IdentifierComponent>();
+    group.each([](auto entity, BarinkEngine::IdentifierComponent& identifier) {
         
-    auto& a = cube.GetComponent<BarinkEngine::Render3DComponent>();
+        ImGui::Text("%s", identifier.name.c_str());
+        
+        });
+    ImGui::End();
     
-    ImGui::DragFloat3("Color", &a.color[0], 0.01f, 0.0f, 1.0f);
+    
+    ImGui::Begin("Settings");
+        
+
+        if (ImGui::Button("ImGui Debug")) 
+        {
+            std::cout << "Click!" << std::endl;
+            showImGuiMetrics = true;
+        }
+        ImGui::ShowMetricsWindow(&showImGuiMetrics);
+
+        auto& a = cube.GetComponent<BarinkEngine::Render3DComponent>();
+    
+        auto& b = cube.GetComponent<BarinkEngine::TransformComponent>();
+
+        ImGui::DragFloat3("Color", &a.color[0], 0.01f, 0.0f, 1.0f);
+
+        ImGui::DragFloat3("Position", &b.transform[3][0], 0.01f, 0.0f, 16.0f);
+
+        auto l = scene.getReg().view<BarinkEngine::LightComponent>();
+        l.each([](auto entity, BarinkEngine::LightComponent& light) {
+            ImGui::Text("Lighting");
+            ImGui::SliderFloat("Intensity", &light.Strength, 0.0f, 1.0f);
+            ImGui::SliderFloat3("l-Color", &light.Color[0], 0.0f, 1.0f);
+
+        });
+       
 
     ImGui::End();
 
 
-
+   
 
 }