115 lines
2.0 KiB
C++
115 lines
2.0 KiB
C++
#include "Application.h"
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#include "util/Log.h"
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Application::Application()
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{
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}
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Application::~Application()
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{
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}
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void Application::Initialize()
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{
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if (SDL_Init(SDL_INIT_VIDEO) < 0)
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{
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printf("SDL could not initialize! SDL_Error: %s\n", SDL_GetError());
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return;
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}
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// Create our window centered at 1080x720 resolution
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m_window = SDL_CreateWindow(
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"Universium",
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SDL_WINDOWPOS_CENTERED,
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SDL_WINDOWPOS_CENTERED,
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1080,
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720,
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SDL_WINDOW_OPENGL
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);
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if (!m_window)
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{
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printf("Window could not be created! SDL_Error: %s\n", SDL_GetError());
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return;
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}
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// Set GL Attributes
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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m_glContext = SDL_GL_CreateContext(m_window);
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if(m_glContext == NULL)
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{
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printf("OpenGL context could not be created! SDL Error: %s\n", SDL_GetError());
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return;
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}
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// Initialize GLEW
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glewInit();
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// Run the engine
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Run();
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}
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void Application::Run()
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{
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m_run = true;
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now_ = SDL_GetPerformanceCounter();
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last_ = 0;
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while(m_run)
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{
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last_ = now_;
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now_ = SDL_GetPerformanceCounter();
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while(SDL_PollEvent(&m_event) != 0)
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{
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// Close button is pressed
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if(m_event.type == SDL_QUIT)
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{
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Exit();
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}
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}
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deltaTime_ = ((now_ - last_) / (double)SDL_GetPerformanceFrequency());
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Update(deltaTime_);
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Render();
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// Set background color as cornflower blue
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glClearColor(0.39f, 0.58f, 0.93f, 1.f);
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// Clear color buffer
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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// Update window with OpenGL rendering
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SDL_GL_SwapWindow(m_window);
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}
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// After loop exits
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// Destroy window
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SDL_DestroyWindow(m_window);
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m_window = NULL;
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// Destroy context
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SDL_GL_DeleteContext(m_glContext);
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// Quit SDL subsystems
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SDL_Quit();
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}
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void Application::Update(GLfloat dtime)
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{
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log_info(std::to_string(dtime));
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}
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void Application::Render()
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{
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}
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