X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsdl.c;h=18de01b3425b9c109224e28773cd38e506820910;hb=c4e1a476135ce36417cdd797481feeaaff4301af;hp=8f6fdee5871a1135fa4b93f10b8b9fce7edd5e5f;hpb=1100054eec7c45458359fd56072341bd661f4a9c;p=rocksndiamonds.git

diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c
index 8f6fdee5..18de01b3 100644
--- a/src/libgame/sdl.c
+++ b/src/libgame/sdl.c
@@ -12,6 +12,7 @@
 ***********************************************************/
 
 #include "system.h"
+#include "sound.h"
 #include "misc.h"
 
 
@@ -24,14 +25,11 @@
 inline void SDLInitVideoDisplay(void)
 {
   /* initialize SDL video */
-  if (SDL_Init(SDL_INIT_VIDEO) < 0)
-    Error(ERR_EXIT, "SDL_Init() failed: %s", SDL_GetError());
+  if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
+    Error(ERR_EXIT, "SDL_InitSubSystem() failed: %s", SDL_GetError());
 
   /* set default SDL depth */
   video.default_depth = SDL_GetVideoInfo()->vfmt->BitsPerPixel;
-
-  /* set exit function to automatically cleanup SDL stuff after exit() */
-  atexit(SDL_Quit);
 }
 
 inline void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window,
@@ -678,29 +676,70 @@ void sge_LineRGB(SDL_Surface *Surface, Sint16 x1, Sint16 y1, Sint16 x2,
   sge_Line(Surface, x1, y1, x2, y2, SDL_MapRGB(Surface->format, R, G, B));
 }
 
+Bitmap *SDLLoadImage(char *filename)
+{
+  Bitmap *new_bitmap = CreateBitmapStruct();
+  SDL_Surface *sdl_image_tmp;
+
+  /* load image to temporary surface */
+  if ((sdl_image_tmp = IMG_Load(filename)) == NULL)
+    Error(ERR_EXIT, "IMG_Load() failed: %s", SDL_GetError());
+
+  /* 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());
+
+  /* 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());
+
+  /* free temporary surface */
+  SDL_FreeSurface(sdl_image_tmp);
+
+  return new_bitmap;
+}
+
 
 /* ========================================================================= */
 /* audio functions                                                           */
 /* ========================================================================= */
 
-inline boolean SDLOpenAudio(void)
+inline void SDLOpenAudio(void)
 {
-  if (SDL_Init(SDL_INIT_AUDIO) < 0)
+  if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0)
   {
-    Error(ERR_WARN, "SDL_Init() failed: %s", SDL_GetError());
-    return FALSE;
+    Error(ERR_WARN, "SDL_InitSubSystem() failed: %s", SDL_GetError());
+    return;
   }
 
-  if (Mix_OpenAudio(22050, AUDIO_S16, 2, 512) < 0)
+  if (Mix_OpenAudio(DEFAULT_AUDIO_SAMPLE_RATE, AUDIO_S16,
+		    AUDIO_STEREO_CHANNELS,
+		    DEFAULT_AUDIO_FRAGMENT_SIZE) < 0)
   {
     Error(ERR_WARN, "Mix_OpenAudio() failed: %s", SDL_GetError());
-    return FALSE;
+    return;
   }
 
-  Mix_Volume(-1, SDL_MIX_MAXVOLUME / 4);
-  Mix_VolumeMusic(SDL_MIX_MAXVOLUME / 4);
+  audio.sound_available = TRUE;
+  audio.music_available = TRUE;
+  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;
+  }
 
-  return TRUE;
+  Mix_Volume(-1, SOUND_MAX_VOLUME);
+  Mix_VolumeMusic(SOUND_MAX_VOLUME);
 }
 
 inline void SDLCloseAudio(void)