int main(int argc, char *argv[])
{
pong_t pong;
int quit;
unsigned long last_ticks, delta_ticks;
SDL_Event e;
log_enter_func(__func__);
SDL_Init(SDL_INIT_EVERYTHING);
Mix_OpenAudio(22050, MIX_DEFAULT_FORMAT, 2, 4096);
pong.screen = SDL_SetVideoMode(640, 480, 32, SDL_SWSURFACE);
if (!pong.screen) {
log_put_msg_in_func("SDL_SetVideoMode FAILED\n");
goto EXIT;
}
SDL_WM_SetCaption("Pong", 0);
pong.rect.x = 0;
pong.rect.y = 0;
pong.rect.w = 320;
pong.rect.h = 480;
if (pong_create_ball(&pong) != 0) {
log_put_msg_in_func("pong_create_ball FAILED\n");
goto EXIT;
}
if (pong_create_player(&pong) != 0) {
log_put_msg_in_func("pong_create_player FAILED\n");
goto EXIT;
}
quit = 0;
last_ticks = SDL_GetTicks();
while (!quit) {
while (SDL_PollEvent(&e)) {
if (e.type == SDL_QUIT) {
quit = !quit;
} else if (e.type == SDL_KEYDOWN) {
if (e.key.keysym.sym == SDLK_ESCAPE) {
quit = !quit;
}
}
}
if ((delta_ticks = SDL_GetTicks() - last_ticks) < 33) {
SDL_Delay(3);
} else {
pong_update(&pong, delta_ticks);
pong_render(&pong);
last_ticks += 33;
}
}
EXIT:
pong_destroy_ball(&pong);
pong_destroy_player(&pong);
Mix_CloseAudio();
SDL_Quit();
log_leave_func(__func__);
return 0;
}
void pong_main(void)
{
Pong game;
SDL_Window *window = NULL;
//initialize SDL
if (SDL_Init(SDL_INIT_VIDEO) < 0)
{
fprintf(stderr, "SDL not initialized: %s\n", SDL_GetError());
exit(EXIT_FAILURE);
}
//create the window
window = SDL_CreateWindow("Pong", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_SHOWN);
if (!window)
{
fprintf(stderr, "SDL could not create window: %s\n", SDL_GetError());
exit(EXIT_FAILURE);
}
//create a hardware accelerated renderer for the window
game.renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE);
//create the font texture
SDL_RWops *s = SDL_RWFromMem(assets_font, assets_font_size);
if (!s)
{
fprintf(stderr, "Unable to load font data: %s\n", SDL_GetError());
exit(EXIT_FAILURE);
}
SDL_Surface *font = SDL_LoadBMP_RW(s, 1); //we close the stream automatically
game.font = SDL_CreateTextureFromSurface(game.renderer, font);
if (!game.font)
{
fprintf(stderr, "Unable to create font texture: %s\n", SDL_GetError());
exit(EXIT_FAILURE);
}
SDL_FreeSurface(font);
//create the sprites texture
s = SDL_RWFromMem(assets_sprites, assets_sprites_size);
if (!s)
{
fprintf(stderr, "Unable to load sprite data: %s\n", SDL_GetError());
exit(EXIT_FAILURE);
}
SDL_Surface *sprites = SDL_LoadBMP_RW(s, 1); //we close the stream automatically
game.sprites = SDL_CreateTextureFromSurface(game.renderer, sprites);
if (!game.sprites)
{
fprintf(stderr, "Unable to create sprites texture: %s\n", SDL_GetError());
exit(EXIT_FAILURE);
}
SDL_FreeSurface(sprites);
//initial game settings
game.player1Score = 0;
game.player2Score = 0;
game.ball.x = WINDOW_WIDTH / 2;
game.ball.y = WINDOW_HEIGHT / 2;
game.ballDir = BALL_DEFAULT_DIR;
paddle_init(&game.player1, &game.player2);
//main game loop
while(1)
{
if (!handle_events())
{
break;
}
//perform the game logic
pong_tick(&game);
//render the game
pong_render(&game);
}
//destroy our window and associated resources
SDL_DestroyTexture(game.font);
SDL_DestroyRenderer(game.renderer);
SDL_DestroyWindow(window);
//all done!
SDL_Quit();
exit(EXIT_SUCCESS);
}
