Redering cube in editor

BarinkEngine/src/BarinkEngine.cpp

@@ -8,7 +8,7 @@ int main(int argc, char* argv[]) {
 	EngineInstrumentation::PerfomanceSamplerInit();
 
 	// Startup services 
-	BarinkWindow MainWindow =  BarinkWindow(800, 600);
+	BarinkWindow MainWindow =  BarinkWindow(1200, 700);
 
 	renderer = BarinkEngine::Renderer();
 	InputSystem = BarinkEngine::InputManager();

BarinkEngine/src/GUI/GUIManager.cpp

@@ -2,6 +2,7 @@
 #include "imgui.h"
 #include "backends/imgui_impl_opengl3.h"
 #include <backends/imgui_impl_glfw.h>
+#include "../../libs/guizmo/ImGuizmo.h"
 #include "../BarinkEngine.h"
 
 GUIManager::GUIManager(BarinkWindow* window)
@@ -35,9 +36,18 @@ void GUIManager::Render()
 
     ImGui::NewFrame();
 
+    ImGuizmo::SetOrthographic(true);
+    ImGuizmo::BeginFrame();
+ 
+    
 
     ImmediateGraphicsDraw();
   
+    
+
+    ImGui::EndFrame();
+
+
     ImGui::Render();
     ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
 

BarinkEngine/src/Graphics/Memory/Buffer.cpp

@@ -1,15 +1,15 @@
 #include "Buffer.h"
 
 
-int GpuBuffer::getBufferID() {
+int Buffer::getBufferID() {
 	return id;
 }
 
-void GpuBuffer::createBuffer() {
+void Buffer::createBuffer() {
 	glGenBuffers(1, (GLuint*) &id);
 }
 
-void GpuBuffer::setBufferData(void* data, size_t dataSize, bool elementBuffer = false ) {
+void Buffer::setBufferData(void* data, size_t dataSize, bool elementBuffer = false ) {
 	
 	if (elementBuffer) {
 		glBufferData(GL_ELEMENT_ARRAY_BUFFER, dataSize, data, GL_STATIC_DRAW);
@@ -21,7 +21,7 @@ void GpuBuffer::setBufferData(void* data, size_t dataSize, bool elementBuffer =
 
 }
 
-void GpuBuffer::Bind(bool elementBuffer = false ) {
+void Buffer::Bind(bool elementBuffer = false ) {
 	if (elementBuffer) {
 		glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id);
 
@@ -32,7 +32,7 @@ void GpuBuffer::Bind(bool elementBuffer = false ) {
 	}
 }
 
-void GpuBuffer::Unbind(bool elementBuffer = false) {
+void Buffer::Unbind(bool elementBuffer = false) {
 	if (elementBuffer) {
 		glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
 	}
@@ -42,6 +42,6 @@ void GpuBuffer::Unbind(bool elementBuffer = false) {
 	}
 }
 
-void GpuBuffer::Delete() {
+void Buffer::Delete() {
 	glDeleteBuffers(1, (GLuint*) &id);
 }

BarinkEngine/src/Graphics/Memory/Buffer.h

@@ -1,8 +1,7 @@
 #pragma once
 #include <glad/glad.h>
-class GpuBuffer {
+class Buffer {
-private:
+
-	unsigned int id;
 public:
 
 	int getBufferID();
@@ -16,4 +15,7 @@ public:
 
 	void Delete();
 
+private:
+	unsigned int id;
+
 };

BarinkEngine/src/Graphics/Memory/FrameBuffer.cpp

@@ -9,25 +9,45 @@ Framebuffer::Framebuffer()
 	// Create a colour texture!
 	glGenTextures(1, &ColourAttachment);
 	glBindTexture(GL_TEXTURE_2D, ColourAttachment);
-	glTexImage2D(GL_TEXTURE_2D, 1, GL_RGB, 800, 600, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
+
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 800, 600, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
 
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 	
+	glBindTexture(GL_TEXTURE_2D, 0);
+
 	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, ColourAttachment, 0);
 
+
+
+	// Create a depth buffer 
+	glGenTextures(1, &DepthAttachment);
+	glBindTexture(GL_TEXTURE_2D, DepthAttachment);
+
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, 800, 600, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, NULL);
+	
 	glBindTexture(GL_TEXTURE_2D, 0);
 
-	// Create a depth buffer 
+	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, DepthAttachment, 0);
+
+
+	/*
+	* // Render buffer 
 		glGenRenderbuffers(1, &DepthAttachment);
 		glBindRenderbuffer(GL_RENDERBUFFER, DepthAttachment);
 
 		glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, 800, 600);
 
-	glFramebufferRenderbuffer(GL_RENDERBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, DepthAttachment);
 
 		glBindRenderbuffer(GL_RENDERBUFFER, 0);
 		
+		glFramebufferRenderbuffer(GL_RENDERBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, DepthAttachment);
+
+	*/
+	
+	
+
 
 
 	if (!glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE)
@@ -39,6 +59,8 @@ Framebuffer::Framebuffer()
 	}
 
 	glBindFramebuffer(GL_FRAMEBUFFER, 0);
+	
+
 }
 
 Framebuffer::~Framebuffer() 

BarinkEngine/src/Graphics/Memory/Framebuffer.h

@@ -8,13 +8,14 @@ public:
 	Framebuffer();
 	~Framebuffer();
 
-	unsigned int GetId() { return Id; }
+	GLuint GetId() { return Id; }
-	unsigned int GetColourAttachment() { return ColourAttachment; }
+	GLuint GetColourAttachment() { return ColourAttachment; }
+	GLuint GetDepthAttachment() { return DepthAttachment; }
 
 private:
-	unsigned int Id = 0;
+	GLuint Id = 0;
-	unsigned int ColourAttachment = 0;
+	GLuint ColourAttachment = 0;
-	unsigned int DepthAttachment = 0;
+	GLuint DepthAttachment = 0;
 	
 
 };

BarinkEngine/src/Graphics/Memory/UniformBuffer.cpp

@@ -0,0 +1,31 @@
+#include "UniformBuffer.h"
+#include <glad/glad.h>
+UniformBuffer::UniformBuffer(unsigned int size)
+{
+	glGenBuffers(1, &Id );
+	glBindBuffer(GL_ARRAY_BUFFER, Id);
+	glBufferData(GL_ARRAY_BUFFER, size, nullptr, GL_DYNAMIC_DRAW);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
+UniformBuffer::~UniformBuffer() 
+{
+	glDeleteBuffers(1, &Id);
+}
+
+
+void UniformBuffer::setData( unsigned int offset , unsigned int size , void* data)
+{
+	glBindBuffer(GL_ARRAY_BUFFER, Id);
+	glBufferSubData(GL_ARRAY_BUFFER, offset , size, data);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
+void UniformBuffer::setDescriptor(unsigned int index, unsigned int size , unsigned int stride, void* pointer)
+{
+	glBindBuffer(GL_ARRAY_BUFFER, Id);
+	glVertexAttribPointer(index, size, GL_FLOAT, GL_FALSE, stride, pointer);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
+

BarinkEngine/src/Graphics/Memory/UniformBuffer.h

@@ -0,0 +1,15 @@
+#pragma once
+
+class UniformBuffer {
+public:
+
+	UniformBuffer (unsigned int size);
+	~UniformBuffer();
+	void setData(unsigned int offset, unsigned int size, void* data);
+	void setDescriptor(unsigned int index, unsigned int size, unsigned int stride, void* pointer);
+
+
+private:
+	unsigned int Id;
+
+};

BarinkEngine/src/Graphics/RenderSurface.h

@@ -22,8 +22,8 @@ private:
 	std::vector<unsigned int > indices;
 
 
-	GpuBuffer vertexBuffer;
+	Buffer vertexBuffer;
-	GpuBuffer elementBuffer;
+	Buffer elementBuffer;
 
 	VertexArray VAO;
 

BarinkEngine/src/Graphics/Renderer.cpp

@@ -16,8 +16,8 @@ void BarinkEngine::Renderer::Prepare(Scene& scene ) {
 	auto group = scene.getReg().view<BarinkEngine::Render3DComponent>();
 	group.each([](auto enity, BarinkEngine::Render3DComponent& renderComponent) {
 		VertexArray va = VertexArray();
-		GpuBuffer vertexBuffer = GpuBuffer();
+		Buffer vertexBuffer = Buffer();
-		GpuBuffer elementBuffer = GpuBuffer();
+		Buffer elementBuffer = Buffer();
 
 		va.Create();
 		va.Bind();
@@ -45,6 +45,8 @@ void BarinkEngine::Renderer::Prepare(Scene& scene ) {
 	});
 }
 
+
+
 void BarinkEngine::Renderer::Render(Scene& scene)
 {
 	auto group = scene.getReg().view<TransformComponent, Render3DComponent>();
@@ -66,7 +68,7 @@ void BarinkEngine::Renderer::Render(Scene& scene)
 		renderComponent.shader.setUniformMat4("V", cam.GetViewMatrix());
 		renderComponent.shader.setUniformMat4("P", projection);
 
-
+		//std::cout << "Draw " << renderComponent.mesh.elements.size() << " elements" << std::endl;
 		glDrawElements(GL_TRIANGLES, static_cast<unsigned int>(renderComponent.mesh.elements.size()) ,
 			GL_UNSIGNED_INT, NULL);
 
@@ -75,5 +77,17 @@ void BarinkEngine::Renderer::Render(Scene& scene)
 
 }
 
-void Render(Framebuffer& framebuffer)
+void BarinkEngine::Renderer::Render(Framebuffer& framebuffer, Scene& scene)
-{}
+{
+
+	glBindFramebuffer(GL_FRAMEBUFFER, framebuffer.GetId());
+
+	glClearColor(.5f, .0f, .5f, 1.0f);
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	Render(scene);
+	glBindFramebuffer(GL_FRAMEBUFFER, 0);
+}
+
+
+

BarinkEngine/src/Graphics/Renderer.h

@@ -22,6 +22,6 @@ namespace BarinkEngine {
 		void Prepare(Scene& scene);
 		void Render(Scene& scene );
 
-		void Render(Framebuffer& framebuffer);
+		void Render(Framebuffer& framebuffer, Scene& scene);
 	};
 }

BarinkEngine/src/PerfCounter.cpp

@@ -1,4 +1,4 @@
-#include "src/PerfCounter.h"
+#include "PerfCounter.h"
 #include <imgui.h>
 #include <iostream>
 
@@ -66,5 +66,5 @@ void PerfSampler::Stop()
 
 	auto ms = durationInuSeconds * 0.001f;
 
-	std::cout << "[" << name << "]" <<  "Took: " << durationInuSeconds << " us (" << ms << " ms)" << std::endl;
+//	std::cout << "[" << name << "]" <<  "Took: " << durationInuSeconds << " us (" << ms << " ms)" << std::endl;
 }

BarinkEngine/src/Scene/Scene.cpp

@@ -3,6 +3,7 @@
 #include "Components.h"
 Scene::Scene()
 {
+	m_registry = entt::basic_registry();
 }
 
 Scene::~Scene()

Editor/premake5.lua

@@ -4,7 +4,8 @@ kind "ConsoleApp"
 buildmessage "Building editor ..."
 
 links{
-  "BarinkEngine"
+  "BarinkEngine",
+  "ImGuizmo"
 }
 
 includedirs{
@@ -24,7 +25,9 @@ includedirs{
   "./../libs/glew/include",
   "./../libs/glm",
   "./../libs/ImGui",
+  "./../libs/guizmo",
 
+  "./../libs/entt/src",
 
   "./include"
 
@@ -38,3 +41,4 @@ files {
   "./include/*.h",
   "./src/*.cpp"
 }
+

Editor/src/main.cpp

@@ -1,83 +1,79 @@
 #include "../../BarinkEngine/src/BarinkEngine.h"
-#include "../../BarinkEngine/src/Scene/SceneManager.h"
-#include "../../BarinkEngine/src/Scene/SceneNodeTypes.h"
 #include "../../BarinkEngine/src/AssetManager/ModelImporter.h"
-#include "../../BarinkEngine/src/Graphics/Framebuffer.h"
+#include "../../BarinkEngine/src/Graphics/Memory/Framebuffer.h"
 #include <imgui.h>
-
+#include "../../BarinkEngine/src/PerfCounter.cpp"
+#include "../../BarinkEngine/src/Scene/Entity.h"
+#include "stb_image.h"
+#include "../../libs/guizmo/ImGuizmo.h"
+#include "../../libs/glm/glm/gtc/type_ptr.hpp"
+#include <glm/gtc/matrix_transform.hpp>
+#include "widgets/widgets.h"
 /*
 * Define globals
 */
-Shader* shader;
 
-char* code = new char[254];
-
-const std::string vertexShaderSource = "build/Debug/test.vs";
-const std::string fragmentShaderSource = "build/Debug/test.fs";
-
-BarinkEngine::ModelImporter* MI = new BarinkEngine::ModelImporter();
 Framebuffer* framebuffer;
-Scene* Level1;
+Scene Level1;
-BarinkEngine::SceneObject* cube;
+BarinkEngine::SceneObject* Model;
+Entity cube;
+
 /*
 * Runs once at startup
 * - USe to initialize the game/sandbox/demo
 */
 void Start() {
+
+
+    auto io = ImGui::GetIO();
+    io.Fonts->AddFontFromFileTTF("build/Debug/Fonts/Roboto-Regular.ttf", 18);
+    framebuffer = new Framebuffer();
     // Build a basic test scene 
     // NOTE: This will later be done through an editor 
 
     // Create a level and load it as the current level
-    std::string levelName("Test Level");
+    auto importer = BarinkEngine::ModelImporter();
-    Level1 = SceneManager::CreateScene(levelName);
-    SceneManager::LoadScene(*Level1);
     
-    shader = new Shader(vertexShaderSource, fragmentShaderSource);
+    // Create a cube 
+    Model = importer.Import("build/Debug/Models/Cube.obj");
+    cube = Level1.AddEntity("cube");
+    auto& render3DComponent = cube.AddComponent<BarinkEngine::Render3DComponent>();
+    render3DComponent.mesh = *(Model->renderable->mesh);
 
-    // Create a cube node
+    cube.GetComponent<BarinkEngine::TransformComponent>().transform = glm::translate(glm::mat4(1.0f), glm::vec3(1.0f, 0.0f, 5.0f));
+    renderer.Prepare(Level1);
     
-    cube = MI->Import("build/Debug/Models/cube.obj");
-    cube->renderable->material = new Material(*shader);
-    cube->renderable->material->Color = glm::vec3(1.0f, 0.0f, 0.0f);
 
-    // What is in cube now ??    
+    // create an ambient light source
-    std::cout << "mesh vertices: " << cube->renderable->mesh->vertices.size() << std::endl;
+    auto AmbientLight = Level1.AddEntity("AmbientLight");
-    std::cout << "mesh elements: " << cube->renderable->mesh->elements.size() << std::endl;
+    AmbientLight.AddComponent<BarinkEngine::LightComponent>();
-
-    Level1->GetRoot().addChild(*cube);
-
-    memset(code, '\0', 254);
-    framebuffer = new Framebuffer();
 
     std::cout << "Colour attachment id; " << framebuffer->GetColourAttachment() << std::endl;   
-    // TODO: Move to runtime/ Engine 
-    // NOTE: Submits should later be done through walking the sceneTree
 
-    renderer.Submit(cube->renderable);
+    renderer.Prepare(Level1);
+
 
 }
-
 /*
 * Runs every frame
 * - Use to draw Immediate mode graphics (Not meant for HUD's )
 */
 void ImmediateGraphicsDraw()
-{
+{   ImGui::DockSpaceOverViewport(ImGui::GetMainViewport());
-
-    ImGui::DockSpaceOverViewport(ImGui::GetMainViewport());
      
     // Show a menu bar
     ImGui::BeginMainMenuBar();
 
     if (ImGui::BeginMenu("Application")) {
 
+        if (ImGui::MenuItem("Preferences")) {
+
+        }
 
         if (ImGui::MenuItem("Exit")) {
             // TODO: Exit application
         }
 
-
-
         ImGui::EndMenu();
     }
 
@@ -85,45 +81,43 @@ void ImmediateGraphicsDraw()
 
 
     // Show internal BarinkEngine stats
-    ShowStats();
+    //ShowStats();
+    Viewport(*framebuffer , Level1);
+    Inspector();
+    SceneExplorer(Level1);
+    Settings();
+    AssetsFinder();
+    Console();
 
-    ImGui::Begin("Viewport");
-        ImGui::Image((void*)(intptr_t)framebuffer->GetColourAttachment(), ImVec2{ 800,600 });
-    ImGui::End();
 
-    static float Zoom = 90;
-    static glm::vec3 Position = glm::vec3(0.0f, 0.0f, 0.0f);
-    static glm::vec3 Rotation = glm::vec3(0.0f, 0.0f, 0.0f);
 
-    ImGui::Begin("Camera");
-        ImGui::SliderFloat("Zoom", &Zoom, 10, 190);
-        ImGui::InputFloat3("Position:", &Position[0]);
 
-        ImGui::InputFloat3("Rotation:", &Rotation[0]);
+   ImGui::ShowMetricsWindow();
-    ImGui::End();
    
-    ImGui::Begin("Scripting");
-        ImGui::Text("Lua Code");
-        ImGui::InputTextMultiline("##", code, 255);
-        bool runCode = ImGui::Button("Run");
-    ImGui::End();
-
-   ImGui::Begin("Scene Explorer");
-   ImGui::End();
 
 }
 
+void Render() 
+{
+    renderer.Render( *framebuffer, Level1);
+}
+
+
 /*
 * Runs every frame
 * - Meant for game logic ( non-physics related)
 */
 void Update()
 {
-    // glBindFramebuffer(GL_FRAMEBUFFER, framebuffer->GetId());
 
-    renderer.Render(*framebuffer);
+}
+
+/*
+* Runs every physics update
+*/
+void fixed_update() 
+{
     
-    //   glBindFramebuffer(GL_FRAMEBUFFER, 0);
 }
 
 /*
@@ -133,6 +127,4 @@ void Update()
 void Stop()
 {
     delete framebuffer;
-    delete MI;
-    delete shader;
 }

Editor/src/widgets/widgets.h

@@ -0,0 +1,79 @@
+#pragma once
+#include <glm/glm.hpp>
+#include <imgui.h>
+
+inline void Inspector ()  {
+    ImGui::Begin("Inspector");
+    static float Zoom = 90;
+    static glm::vec3 Position = glm::vec3(0.0f, 0.0f, 0.0f);
+    static glm::vec3 Rotation = glm::vec3(0.0f, 0.0f, 0.0f);
+
+    ImGui::BeginChild("Camera");
+
+    ImGui::SliderFloat("Zoom", &Zoom, 10, 190);
+    ImGui::InputFloat3("Position:", &Position[0]);
+
+    ImGui::InputFloat3("Rotation:", &Rotation[0]);
+    ImGui::EndChild();
+
+
+    ImGui::BeginChild("Scripting");
+    ImGui::Text("Hello world!");
+    ImGui::EndChild();
+    ImGui::End();
+}
+
+inline void SceneExplorer(Scene& scene) 
+{
+
+    ImGui::Begin("Scene Explorer");
+
+    scene.getReg().each([&](auto entity) {
+        auto id = scene.getReg().get<BarinkEngine::IdentifierComponent>(entity);
+        ImGui::LabelText("##myObject", "%s", id.name.c_str());
+        });
+
+
+    ImGui::End();
+}
+
+inline void Viewport(Framebuffer& framebuffer , Scene& scene ) {
+
+    unsigned int viewportWindowFlags = ImGuiWindowFlags_NoTitleBar 
+        | ImGuiWindowFlags_NoDecoration 
+        | ImGuiWindowFlags_NoScrollbar
+        | ImGuiWindowFlags_NoMove
+        | ImGuiWindowFlags_NoCollapse;
+
+    ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2{ 0,0 });
+    ImGui::Begin("Viewport", false, viewportWindowFlags );
+    ImGui::Image((void*)(intptr_t)framebuffer.GetColourAttachment(), ImVec2{ (float)800,(float)600 });
+
+    ImGuizmo::SetDrawlist();
+    ImGuizmo::SetRect(ImGui::GetWindowPos().x, ImGui::GetWindowPos().y, ImGui::GetWindowWidth(), ImGui::GetWindowHeight());
+    ImGuizmo::Enable(true);
+    auto cam = glm::mat4(1.0f);
+    //ImGuizmo::Manipulate(glm::value_ptr(static_cam), glm::value_ptr(static_projection), ImGuizmo::TRANSLATE, ImGuizmo::WORLD, glm::value_ptr(trans));
+    ImGuizmo::ViewManipulate(glm::value_ptr(cam), 8.0f, ImVec2{ 0.0f,0.0f }, ImVec2{ 128.0f,128.0f }, 0x10101010);
+    ImGui::End();
+    ImGui::PopStyleVar();
+
+}
+
+inline void Settings() {
+    ImGui::Begin("Settings");
+    ImGui::LabelText("##title-settings", "Fine grain control over your engine... ");
+    ImGui::End();
+}
+
+inline void Console() {
+    ImGui::Begin("Console", false );
+    ImGui::Dummy(ImVec2{ 128, 128 });
+    ImGui::End();
+}
+
+inline void AssetsFinder() {
+    ImGui::Begin("Asset-Finder", false );
+    ImGui::Dummy(ImVec2{ 128, 128 });
+    ImGui::End();
+}