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#include "application.h"
#include <stdexcept>
Application::Application() {
// Initialize SDL
if(SDL_Init(SDL_INIT_VIDEO)) {
throw(std::runtime_error("SDL initialization failed"));
}
please_quit = false;
}
Application::~Application() {
}
void Application::init_window(unsigned int w, unsigned int h, bool fs) {
// Fetch the video info
const SDL_VideoInfo *info = SDL_GetVideoInfo();
if(!info) {
throw(std::runtime_error("SDL info query failed"));
}
// The SDL mode-flags
int flags = SDL_OPENGL; // OpenGL in SDL
flags |= SDL_GL_DOUBLEBUFFER; // Double buffering
flags |= SDL_HWPALETTE; // Hardware palette
// Check for hardware surface aviability
if(info->hw_available) {
flags |= SDL_HWSURFACE;
} else {
flags |= SDL_SWSURFACE;
}
// Check for hardware blit ability
if(info->blit_hw) {
flags |= SDL_HWACCEL;
}
// Setup double buffering
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, 1);
if(fs) {
flags |= SDL_FULLSCREEN;
}
// Get our surface
surface = SDL_SetVideoMode(w, h, 32, flags);
if(!surface) {
throw(std::runtime_error("Video mode set failed"));
}
}
void Application::run() {
while(1) {
SDL_Event e;
while(SDL_PollEvent(&e)) {
event(e);
}
if(please_quit) {
return;
}
update();
}
}
void Application::quit() {
please_quit = true;
}
void Application::event(const SDL_Event& e) {
switch(e.type) {
case SDL_QUIT:
quit();
break;
case SDL_KEYDOWN:
event_keypress(e.key.keysym.sym);
break;
default:
break;
}
}
void Application::event_keypress(SDLKey key) {
switch(key) {
case SDLK_ESCAPE:
quit();
break;
default:
break;
}
}
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