Redering cube in editor

This commit is contained in:
Nigel Barink 2022-11-03 15:06:42 +01:00
parent 3e75406783
commit c62f3615d4
16 changed files with 271 additions and 100 deletions

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

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

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@ -1,15 +1,15 @@
#include "Buffer.h" #include "Buffer.h"
int GpuBuffer::getBufferID() { int Buffer::getBufferID() {
return id; return id;
} }
void GpuBuffer::createBuffer() { void Buffer::createBuffer() {
glGenBuffers(1, (GLuint*) &id); 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) { if (elementBuffer) {
glBufferData(GL_ELEMENT_ARRAY_BUFFER, dataSize, data, GL_STATIC_DRAW); 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) { if (elementBuffer) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id); 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) { if (elementBuffer) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 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); glDeleteBuffers(1, (GLuint*) &id);
} }

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

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@ -9,24 +9,44 @@ Framebuffer::Framebuffer()
// Create a colour texture! // Create a colour texture!
glGenTextures(1, &ColourAttachment); glGenTextures(1, &ColourAttachment);
glBindTexture(GL_TEXTURE_2D, 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_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_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); 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); glBindTexture(GL_TEXTURE_2D, 0);
// Create a depth buffer glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, DepthAttachment, 0);
glGenRenderbuffers(1, &DepthAttachment);
glBindRenderbuffer(GL_RENDERBUFFER, DepthAttachment);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, 800, 600);
glFramebufferRenderbuffer(GL_RENDERBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, DepthAttachment); /*
* // Render buffer
glGenRenderbuffers(1, &DepthAttachment);
glBindRenderbuffer(GL_RENDERBUFFER, DepthAttachment);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, 800, 600);
glBindRenderbuffer(GL_RENDERBUFFER, 0);
glFramebufferRenderbuffer(GL_RENDERBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, DepthAttachment);
*/
glBindRenderbuffer(GL_RENDERBUFFER, 0);
@ -39,6 +59,8 @@ Framebuffer::Framebuffer()
} }
glBindFramebuffer(GL_FRAMEBUFFER, 0); glBindFramebuffer(GL_FRAMEBUFFER, 0);
} }
Framebuffer::~Framebuffer() Framebuffer::~Framebuffer()

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

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@ -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);
}

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@ -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;
};

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

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@ -16,8 +16,8 @@ void BarinkEngine::Renderer::Prepare(Scene& scene ) {
auto group = scene.getReg().view<BarinkEngine::Render3DComponent>(); auto group = scene.getReg().view<BarinkEngine::Render3DComponent>();
group.each([](auto enity, BarinkEngine::Render3DComponent& renderComponent) { group.each([](auto enity, BarinkEngine::Render3DComponent& renderComponent) {
VertexArray va = VertexArray(); VertexArray va = VertexArray();
GpuBuffer vertexBuffer = GpuBuffer(); Buffer vertexBuffer = Buffer();
GpuBuffer elementBuffer = GpuBuffer(); Buffer elementBuffer = Buffer();
va.Create(); va.Create();
va.Bind(); va.Bind();
@ -45,6 +45,8 @@ void BarinkEngine::Renderer::Prepare(Scene& scene ) {
}); });
} }
void BarinkEngine::Renderer::Render(Scene& scene) void BarinkEngine::Renderer::Render(Scene& scene)
{ {
auto group = scene.getReg().view<TransformComponent, Render3DComponent>(); 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("V", cam.GetViewMatrix());
renderComponent.shader.setUniformMat4("P", projection); 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()) , glDrawElements(GL_TRIANGLES, static_cast<unsigned int>(renderComponent.mesh.elements.size()) ,
GL_UNSIGNED_INT, NULL); 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);
}

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

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

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

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

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@ -1,83 +1,79 @@
#include "../../BarinkEngine/src/BarinkEngine.h" #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/AssetManager/ModelImporter.h"
#include "../../BarinkEngine/src/Graphics/Framebuffer.h" #include "../../BarinkEngine/src/Graphics/Memory/Framebuffer.h"
#include <imgui.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 * 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; Framebuffer* framebuffer;
Scene* Level1; Scene Level1;
BarinkEngine::SceneObject* cube; BarinkEngine::SceneObject* Model;
Entity cube;
/* /*
* Runs once at startup * Runs once at startup
* - USe to initialize the game/sandbox/demo * - USe to initialize the game/sandbox/demo
*/ */
void Start() { void Start() {
auto io = ImGui::GetIO();
io.Fonts->AddFontFromFileTTF("build/Debug/Fonts/Roboto-Regular.ttf", 18);
framebuffer = new Framebuffer();
// Build a basic test scene // Build a basic test scene
// NOTE: This will later be done through an editor // NOTE: This will later be done through an editor
// Create a level and load it as the current level // 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; 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 * Runs every frame
* - Use to draw Immediate mode graphics (Not meant for HUD's ) * - Use to draw Immediate mode graphics (Not meant for HUD's )
*/ */
void ImmediateGraphicsDraw() void ImmediateGraphicsDraw()
{ { ImGui::DockSpaceOverViewport(ImGui::GetMainViewport());
ImGui::DockSpaceOverViewport(ImGui::GetMainViewport());
// Show a menu bar // Show a menu bar
ImGui::BeginMainMenuBar(); ImGui::BeginMainMenuBar();
if (ImGui::BeginMenu("Application")) { if (ImGui::BeginMenu("Application")) {
if (ImGui::MenuItem("Preferences")) {
}
if (ImGui::MenuItem("Exit")) { if (ImGui::MenuItem("Exit")) {
// TODO: Exit application // TODO: Exit application
} }
ImGui::EndMenu(); ImGui::EndMenu();
} }
@ -85,45 +81,43 @@ void ImmediateGraphicsDraw()
// Show internal BarinkEngine stats // 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 * Runs every frame
* - Meant for game logic ( non-physics related) * - Meant for game logic ( non-physics related)
*/ */
void Update() 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() void Stop()
{ {
delete framebuffer; delete framebuffer;
delete MI;
delete shader;
} }

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@ -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();
}