bool Engine_Init(char* windowTitle, int width, int height)
{
window_width = width;
window_height = height;
if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER) < 0) // Initialize SDL2
Engine_Quit("Unable to initialize SDL"); // Or die on error
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
// Create an application window with the following settings:
window = SDL_CreateWindow(
windowTitle, // window title
SDL_WINDOWPOS_UNDEFINED, // initial x position
SDL_WINDOWPOS_UNDEFINED, // initial y position
width, // width, in pixels
height, // height, in pixels
SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE
);
// Check that the window was successfully made
if(window == NULL)
Engine_Quit("Could not create window: %s");
CheckSDLError(__LINE__);
mainContext = SDL_GL_CreateContext(window);
CheckSDLError(__LINE__);
glewExperimental = GL_TRUE;
glewInit();
//Debug some things :)
printf("Vendor: %s\n", glGetString(GL_VENDOR));
printf("Renderer: %s\n", glGetString(GL_RENDERER));
printf("Version: %s\n", glGetString(GL_VERSION));
printf("GLSL: %s\n", glGetString(GL_SHADING_LANGUAGE_VERSION));
printf("Extensions: %s\n", glGetString(GL_EXTENSIONS));
// This makes our buffer swap syncronized with the monitor's vertical refresh
SDL_GL_SetSwapInterval(1);
// Create our renderer
Render_Init(width, height);
QuadRenderer::Resized(width, height);
//Core loop
nextTime = SDL_GetTicks() + TICK_INTERVAL;
return true;
}
int main(int argc, char *argv[])
{
process_args(argc, argv);
Camera_Reset();
while (1) {
if (glfwGetKey(mainWindow, GLFW_KEY_ESCAPE) == GLFW_PRESS ||
glfwWindowShouldClose(mainWindow) == 1) {
break;
}
process_inputs();
Engine_UpkeepTime(); /* Updates deltaTime */
Engine_Draw(); /* Render */
Engine_Update(); /* Update anything else */
}
Engine_Quit();
printf("\nKa3D is now shutting down!\n");
return 0;
}
