/**
* Setup SDL audio, video and window subsystems.
*/
void
av_setup(void)
{
unsigned video_flags = SDL_SWSURFACE;
#ifndef CONFIG_MACOSX
char *icon_path = NULL;
#endif
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) < 0)
{
CRITICAL2("SDL_Init error: %s", SDL_GetError());
exit(EXIT_FAILURE);
}
atexit(SDL_Quit);
if (options.want_audio)
{
#ifdef CONFIG_WIN32
/*
* default direct-audio-something has got unreasonably long audio buffers,
* but if user knows what he's doing then no problemo...
*/
if (!SDL_getenv("SDL_AUDIODRIVER"))
{
INFO1("fixing WIN32 audio driver setup");
SDL_putenv("SDL_AUDIODRIVER=waveout");
}
/*
* also some sources mention that on win audio needs to be initialised
* together with video. Maybe, it works for me as it is now.
*/
#endif
if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0)
{
ERROR2("audio initialization failed: %s", SDL_GetError());
}
else
{
INFO1("audio subsystem initialized");
have_audio = 1;
}
}
else
NOTICE1("no audio");
if (options.want_fullscreen)
{
video_flags |= SDL_FULLSCREEN;
NOTICE1("fullscreen mode enabled");
}
#ifndef CONFIG_MACOSX
if ((icon_path = locate_file("moon_32x32.bmp", FT_IMAGE)))
{
SDL_Surface *icon = SDL_LoadBMP(icon_path);
if (icon != NULL)
SDL_WM_SetIcon(icon, NULL);
else
INFO2("setting icon failed: %s\n", SDL_GetError());
free(icon_path);
}
#endif
#ifdef PACKAGE_BUILD
SDL_WM_SetCaption(PACKAGE_NAME " " PACKAGE_VERSION
" build " PACKAGE_BUILD, NULL);
#else
SDL_WM_SetCaption(PACKAGE_STRING, NULL);
#endif
if ((display = SDL_SetVideoMode(MAX_X * 2, MAX_Y * 2, 24, video_flags))
== NULL)
{
CRITICAL2("SDL_SetVideoMode failed: %s", SDL_GetError());
exit(EXIT_FAILURE);
}
screen = xcalloc(MAX_X * MAX_Y, 1);
screen_surf = SDL_CreateRGBSurfaceFrom(screen, MAX_X, MAX_Y, 8, MAX_X,
0, 0, 0, 0);
if (!screen_surf)
{
CRITICAL2("can't create screen surface: %s", SDL_GetError());
exit(EXIT_FAILURE);
}
screen_surf2x = SDL_CreateRGBSurface(SDL_SWSURFACE, MAX_X * 2, MAX_Y * 2,
8, ~0, ~0, ~0, 0);
if (!screen_surf2x)
{
CRITICAL2("can't create screen_2x surface: %s", SDL_GetError());
exit(EXIT_FAILURE);
}
/* XXX: Hardcoded video width & height */
video_overlay = SDL_CreateYUVOverlay(160, 100, SDL_YV12_OVERLAY, display);
if (!video_overlay)
{
CRITICAL2("can't create video_overlay: %s", SDL_GetError());
exit(EXIT_FAILURE);
}
news_overlay = SDL_CreateYUVOverlay(312, 106, SDL_YV12_OVERLAY, display);
/* XXX: Hardcoded video width & height */
if (!news_overlay)
{
CRITICAL2("can't create news_overlay: %s", SDL_GetError());
exit(EXIT_FAILURE);
}
fade_info.step = 1;
fade_info.steps = 1;
do_fading = 1;
alloc_dirty_tree();
SDL_EnableUNICODE(1);
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY,
SDL_DEFAULT_REPEAT_INTERVAL);
if (have_audio)
{
int i = 0;
audio_desired.freq = 11025;
audio_desired.format = AUDIO_S16SYS;
audio_desired.channels = 1;
/* audio was unresponsive on win32 so let's use shorter buffer */
audio_desired.samples = 2048; /* was 8192 */
audio_desired.callback = audio_callback;
/* initialize audio channels */
for (i = 0; i < AV_NUM_CHANNELS; ++i)
{
Channels[i].volume = AV_MAX_VOLUME;
Channels[i].mute = 0;
Channels[i].chunk = NULL;
Channels[i].chunk_tailp = &Channels[i].chunk;
Channels[i].offset = 0;
}
/* we don't care what we got, library will convert for us */
if (SDL_OpenAudio(&audio_desired, NULL) < 0)
{
ERROR2("SDL_OpenAudio error: %s", SDL_GetError());
NOTICE1("disabling audio");
have_audio = 0;
}
else
SDL_PauseAudio(0);
}
SDL_AddTimer(30, sdl_timer_callback, NULL);
}
char
DoModem(int sel)
{
NOTICE1("DoModem not implemented");
return (0);
}
/** read the config file
*
*
*
* \return -1 if the config file is unavailable
*/
static int
read_config_file(void)
{
FILE *f = open_savedat("config", "rt");
char config_word[32 + 1];
int err = 0, res = 0, i = 0;
char c[2];
if (!f)
{
INFO1("could not open config file");
return -1;
}
while (1)
{
/* skip comments */
if ((res = fscanf(f, " %1[#]", c)) == 1)
goto skip_newline;
if (res == EOF)
break;
/* get configuration variable name */
/** \note config variables may be 32 characters of alphas plus dash and underscore */
res = fscanf(f, "%32[a-zA-Z_-]", config_word);
/* do we have a match? */
if (res == 1)
{
for (i = 0; i < (int) ARRAY_LENGTH(config_strings); ++i)
{
if (strcmp(config_word, config_strings[i].name) == 0)
{
res = parse_var_value(f, i);
if (res != 0 && feof(f))
goto skip_newline;
else if (res != 0)
{
NOTICE2("wrong value type for variable `%s'",
config_word);
goto skip_newline;
}
else
break;
}
}
/* none matched */
if (i == (int) ARRAY_LENGTH(config_strings))
{
NOTICE2("unknown variable in file `%s'",
config_word);
goto skip_newline;
}
}
else if (res == EOF)
break;
else
{
NOTICE1("expected variable name");
goto skip_newline;
}
skip_newline:
if (EOF == skip_past_newline(f))
break;
}
err = !feof(f);
fclose(f);
return -err;
}
/**
* Setup SDL audio, video and window subsystems.
*/
void
av_setup(void)
{
#ifdef PACKAGE_BUILD
std::string title(PACKAGE_NAME " " PACKAGE_VERSION " build " PACKAGE_BUILD);
#else
std::string title(PACKAGE_STRING);
#endif
display::graphics.create(title, (options.want_fullscreen == 1));
#ifdef SET_SDL_ICON
char *icon_path;
if ((icon_path = locate_file("moon_32x32.bmp", FT_IMAGE))) {
SDL_Surface *icon = SDL_LoadBMP(icon_path);
if (icon != NULL) {
SDL_WM_SetIcon(icon, NULL);
} else {
INFO2("setting icon failed: %s\n", SDL_GetError());
}
free(icon_path);
}
#endif
fade_info.step = 1;
fade_info.steps = 1;
do_fading = 1;
SDL_EnableUNICODE(1);
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY,
SDL_DEFAULT_REPEAT_INTERVAL);
if (have_audio) {
int i = 0;
audio_desired.freq = 11025;
audio_desired.format = AUDIO_S16SYS;
audio_desired.channels = 1;
/* audio was unresponsive on win32 so let's use shorter buffer */
audio_desired.samples = 2048; /* was 8192 */
audio_desired.callback = audio_callback;
/* initialize audio channels */
for (i = 0; i < AV_NUM_CHANNELS; ++i) {
Channels[i].volume = AV_MAX_VOLUME;
Channels[i].mute = 0;
Channels[i].chunk = NULL;
Channels[i].chunk_tailp = &Channels[i].chunk;
Channels[i].offset = 0;
}
/* we don't care what we got, library will convert for us */
if (SDL_OpenAudio(&audio_desired, NULL) < 0) {
ERROR2("SDL_OpenAudio error: %s", SDL_GetError());
NOTICE1("disabling audio");
have_audio = 0;
} else {
SDL_PauseAudio(0);
}
}
SDL_AddTimer(30, sdl_timer_callback, NULL);
}
