#include <stdint.h>

#include <SDL.h>

#include <GL/gl.h>

/*

#include <dlfcn.h>

int (*mSDL_Init)(Uint32 flags);

SDL_Surface * (*mSDL_SetVideoMode)(int width, int height, int bpp, Uint32 flags);

void (*mSDL_Quit)();

void (*mSDL_WM_SetCaption)(const char *title, const char *icon);

int (*mSDL_OpenAudio)(SDL_AudioSpec *desired, SDL_AudioSpec *obtained);

int (*mSDL_ShowCursor)(int toggle);

void (*mSDL_PauseAudio)(int pause_on);

int (*mSDL_PollEvent)(SDL_Event *event);

Uint32 (*mSDL_GetTicks)(void);

void (*mSDL_GL_SwapBuffers)(void);

const char *sdlNames = "SDL_Init\0"

"SDL_SetVideoMode\0"

"SDL_Quit\0"

"SDL_WM_SetCaption\0"

"SDL_OpenAudio\0"

"SDL_ShowCursor\0"

"SDL_PauseAudio\0"

"SDL_PollEvent\0"

"SDL_GetTicks\0"

"SDL_GL_SwapBuffers\0";

void** sdlPointers[] = {(void*)&mSDL_Init,

(void*)&mSDL_SetVideoMode,

(void*)&mSDL_Quit,

(void*)&mSDL_WM_SetCaption,

(void*)&mSDL_OpenAudio,

(void*)&mSDL_ShowCursor,

(void*)&mSDL_PauseAudio,

(void*)&mSDL_PollEvent,

(void*)&mSDL_GetTicks,

(void*)&mSDL_GL_SwapBuffers};

void link() {

void *sdl = dlopen("libSDL.so", RTLD_NOW);

const char *pos = sdlNames;

int i = 0;

while (*pos) {

*sdlPointers[i] = dlsym(sdl, pos);

while (*pos) ++pos;

++pos;

}

}

*/

typedef char bool;

#define false 0

#define true 1

extern void load();

extern void unload();

extern void render(int time);

extern void resize(int width, int height);

extern void audio_callback(void *userdata, uint8_t *stream, int len);

extern void blinkenlichts();

bool fullscreen = true;

int scrWidth = 1920;

int scrHeight = 1080;

const int scrBPP = 32;

static void init_sdl() {

if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER) < 0) {

exit(11);

}

//SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);

//SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);

//SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);

//SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);

//SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 2);

/* Set the video mode */

int videoFlags = SDL_OPENGL;

if (fullscreen)

videoFlags |= SDL_FULLSCREEN;

SDL_Surface *surface = SDL_SetVideoMode(scrWidth, scrHeight, scrBPP,

videoFlags);

if (!surface) {

SDL_Quit();

exit(12);

}

SDL_WM_SetCaption("Latheific!", "Latheific!");

SDL_AudioSpec aspec;

aspec.freq = 44100;

aspec.format = AUDIO_S16;

aspec.channels = 1;

aspec.samples = 2048;

aspec.callback = audio_callback;

aspec.userdata = 0;

if (SDL_OpenAudio(&aspec, NULL) != 0) {

SDL_Quit();

exit(13);

}

}

//void cleanup(int state, void *foo) {

//Sound_FreeSample(data.sample); /* clean up SDL_Sound resources... */

//}

/*

int main(int argc, char **argv) {

for (int i = 1 ; i < argc ; ++i) {

if (argv[i][0] == 'w') {

fullscreen = false;

scrWidth = 800;

scrHeight = 450;

}

else if (argv[i][0] == 'l') {

blinkenlichts();

}

}

*/

void _start() {

#ifdef WINDOWED

fullscreen = false;

scrWidth = 800;

scrHeight = 450;

#endif

#ifdef BLINKENLICHTS

blinkenlichts();

#endif

// link();

init_sdl();

//on_exit(cleanup, 0);

load();

resize(scrWidth, scrHeight);

SDL_ShowCursor(SDL_DISABLE);

SDL_Event event;

bool running = true;

SDL_PauseAudio(0);

while (running) {

while (SDL_PollEvent(&event)) {

switch( event.type ) {

case SDL_KEYDOWN:

if (event.key.keysym.sym == SDLK_ESCAPE)

running = false;

break;

case SDL_QUIT:

running = false;

break;

default:

break;

}

}

uint32_t time = SDL_GetTicks();

render(time);

SDL_GL_SwapBuffers();

if (time > 32 * 1000) running = false;

}

unload();

SDL_Quit();

__asm__ (

"movl $1,%eax\n"

"xor %ebx,%ebx\n"

"int $128\n"

);

}

/*

return 0;

}

*/