rnd-20020513-1-src
[rocksndiamonds.git] / src / libgame / sdl.c
index 7cd641187a18293e761c2d801b677cd1b3e121f6..42e6286bf78697605e42c52cef07c04b636c5c60 100644 (file)
@@ -829,21 +829,33 @@ Bitmap *SDLLoadImage(char *filename)
 
   /* load image to temporary surface */
   if ((sdl_image_tmp = IMG_Load(filename)) == NULL)
-    Error(ERR_EXIT, "IMG_Load() failed: %s", SDL_GetError());
+  {
+    SetError("IMG_Load(): %s", SDL_GetError());
+    return NULL;
+  }
 
   /* create native non-transparent surface for current image */
   if ((new_bitmap->surface = SDL_DisplayFormat(sdl_image_tmp)) == NULL)
-    Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
+  {
+    SetError("SDL_DisplayFormat(): %s", SDL_GetError());
+    return NULL;
+  }
 
   /* create native transparent surface for current image */
   SDL_SetColorKey(sdl_image_tmp, SDL_SRCCOLORKEY,
                  SDL_MapRGB(sdl_image_tmp->format, 0x00, 0x00, 0x00));
   if ((new_bitmap->surface_masked = SDL_DisplayFormat(sdl_image_tmp)) == NULL)
-    Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
+  {
+    SetError("SDL_DisplayFormat(): %s", SDL_GetError());
+    return NULL;
+  }
 
   /* free temporary surface */
   SDL_FreeSurface(sdl_image_tmp);
 
+  new_bitmap->width = new_bitmap->surface->w;
+  new_bitmap->height = new_bitmap->surface->h;
+
   return new_bitmap;
 }
 
@@ -861,7 +873,7 @@ inline void SDLOpenAudio(void)
   }
 
   if (Mix_OpenAudio(DEFAULT_AUDIO_SAMPLE_RATE, AUDIO_S16,
-                   AUDIO_STEREO_CHANNELS,
+                   AUDIO_NUM_CHANNELS_STEREO,
                    DEFAULT_AUDIO_FRAGMENT_SIZE) < 0)
   {
     Error(ERR_WARN, "Mix_OpenAudio() failed: %s", SDL_GetError());
@@ -873,19 +885,12 @@ inline void SDLOpenAudio(void)
   audio.loops_available = TRUE;
   audio.sound_enabled = TRUE;
 
-  /* determine number of available channels */
-  audio.channels = Mix_AllocateChannels(MIX_CHANNELS);
-
-  if (!audio.mods_available)   /* reserve first channel for music loops */
-  {
-    if (Mix_ReserveChannels(1) == 1)
-      audio.music_channel = 0;
-    else
-      audio.music_available = FALSE;
-  }
+  /* set number of available mixer channels */
+  audio.num_channels = Mix_AllocateChannels(NUM_MIXER_CHANNELS);
+  audio.music_channel = MUSIC_CHANNEL;
+  audio.first_sound_channel = FIRST_SOUND_CHANNEL;
 
-  Mix_Volume(-1, SOUND_MAX_VOLUME);
-  Mix_VolumeMusic(SOUND_MAX_VOLUME);
+  Mixer_InitChannels();
 }
 
 inline void SDLCloseAudio(void)