int sync_update(struct sync_device *d, int row, struct sync_cb *cb,
void *cb_param)
{
if (d->sock == INVALID_SOCKET)
return -1;
/* look for new commands */
while (socket_poll(d->sock)) {
unsigned char cmd = 0, flag;
uint32_t new_row;
if (xrecv(d->sock, (char *)&cmd, 1, 0))
goto sockerr;
switch (cmd) {
case SET_KEY:
if (handle_set_key_cmd(d->sock, d))
goto sockerr;
break;
case DELETE_KEY:
if (handle_del_key_cmd(d->sock, d))
goto sockerr;
break;
case SET_ROW:
if (xrecv(d->sock, (char *)&new_row, sizeof(new_row), 0))
goto sockerr;
if (cb && cb->set_row)
cb->set_row(cb_param, ntohl(new_row));
break;
case PAUSE:
if (xrecv(d->sock, (char *)&flag, 1, 0))
goto sockerr;
if (cb && cb->pause)
cb->pause(cb_param, flag);
break;
case SAVE_TRACKS:
sync_save_tracks(d);
break;
default:
fprintf(stderr, "unknown cmd: %02x\n", cmd);
goto sockerr;
}
}
if (cb && cb->is_playing && cb->is_playing(cb_param)) {
if (d->row != row && d->sock != INVALID_SOCKET) {
unsigned char cmd = SET_ROW;
uint32_t nrow = htonl(row);
if (xsend(d->sock, (char*)&cmd, 1, 0) ||
xsend(d->sock, (char*)&nrow, sizeof(nrow), 0))
goto sockerr;
d->row = row;
}
}
return 0;
sockerr:
closesocket(d->sock);
d->sock = INVALID_SOCKET;
return -1;
}
int main(int argc, char *argv[])
{
#ifndef SYNC_PLAYER
bool should_save = false; // whether to save tracks when done.
// don't save unless we actually connect.
#endif
HSTREAM stream;
const struct sync_track *clear_r, *clear_g, *clear_b;
const struct sync_track *cam_rot, *cam_dist;
setup_sdl();
/* init BASS */
if (!BASS_Init(-1, 44100, 0, 0, 0))
die("failed to init bass");
stream = BASS_StreamCreateFile(false, "tune.ogg", 0, 0,
BASS_STREAM_PRESCAN);
if (!stream)
die("failed to open tune");
sync_device *rocket = sync_create_device("sync");
if (!rocket)
die("out of memory?");
#ifndef SYNC_PLAYER
if (sync_connect(rocket, "localhost", SYNC_DEFAULT_PORT))
die("failed to connect to host");
#endif
/* get tracks */
clear_r = sync_get_track(rocket, "clear.r");
clear_g = sync_get_track(rocket, "clear.g");
clear_b = sync_get_track(rocket, "clear.b");
cam_rot = sync_get_track(rocket, "cam.rot"),
cam_dist = sync_get_track(rocket, "cam.dist");
/* let's roll! */
BASS_Start();
BASS_ChannelPlay(stream, false);
bool done = false;
while (!done) {
double row = bass_get_row(stream);
#ifndef SYNC_PLAYER
if (sync_update(rocket, (int)floor(row), &bass_cb, (void *)&stream)) {
if (sync_connect(rocket, "localhost", SYNC_DEFAULT_PORT) == 0)
should_save = true;
}
#endif
/* draw */
glClearColor(float(sync_get_val(clear_r, row)),
float(sync_get_val(clear_g, row)),
float(sync_get_val(clear_b, row)), 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
float rot = float(sync_get_val(cam_rot, row));
float dist = float(sync_get_val(cam_dist, row));
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60.0f, 4.0f / 3, 0.1f, 100.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glPushMatrix();
gluLookAt(sin(rot) * dist, 0, cos(rot) * dist,
0, 0, 0,
0, 1, 0);
glEnable(GL_DEPTH_TEST);
draw_cube();
glPopMatrix();
SDL_GL_SwapBuffers();
BASS_Update(0); /* decrease the chance of missing vsync */
SDL_Event e;
while (SDL_PollEvent(&e)) {
if (e.type == SDL_QUIT ||
(e.type == SDL_KEYDOWN &&
e.key.keysym.sym == SDLK_ESCAPE))
done = true;
}
}
#ifndef SYNC_PLAYER
if(should_save) //don't clobber if user just ran it then hit Esc
sync_save_tracks(rocket);
#endif
sync_destroy_device(rocket);
BASS_StreamFree(stream);
BASS_Free();
SDL_Quit();
return 0;
}
