X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsystem.c;h=a1f009f77c8470f5d0b7e0fcbe85eb97db53ecd0;hb=edaa850fd2d2cae7ec31961fae3d56487e710c71;hp=5a63172f72421e6c0fe58095bce1864945d636cb;hpb=71cea4c5471c3924c9b40e314d38fc209a48a499;p=rocksndiamonds.git

diff --git a/src/libgame/system.c b/src/libgame/system.c
index 5a63172f..a1f009f7 100644
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -121,7 +121,7 @@ void InitNetworkInfo(boolean enabled, boolean connected, boolean serveronly,
   network.is_server_thread = FALSE;
 }
 
-void InitRuntimeInfo()
+void InitRuntimeInfo(void)
 {
 #if defined(HAS_TOUCH_DEVICE)
   runtime.uses_touch_device = TRUE;
@@ -287,11 +287,16 @@ void InitGfxDrawGlobalBorderFunction(void (*draw_global_border_function)(int))
   gfx.draw_global_border_function = draw_global_border_function;
 }
 
-void InitGfxDrawTileCursorFunction(void (*draw_tile_cursor_function)(int))
+void InitGfxDrawTileCursorFunction(void (*draw_tile_cursor_function)(int, int))
 {
   gfx.draw_tile_cursor_function = draw_tile_cursor_function;
 }
 
+void InitGfxDrawEnvelopeRequestFunction(void (*draw_envelope_request_function)(int))
+{
+  gfx.draw_envelope_request_function = draw_envelope_request_function;
+}
+
 void InitGfxCustomArtworkInfo(void)
 {
   gfx.override_level_graphics = FALSE;
@@ -594,9 +599,22 @@ void FreeBitmap(Bitmap *bitmap)
   free(bitmap);
 }
 
+void ResetBitmapAlpha(Bitmap *bitmap)
+{
+  bitmap->alpha[0][0] = -1;
+  bitmap->alpha[0][1] = -1;
+  bitmap->alpha[1][0] = -1;
+  bitmap->alpha[1][1] = -1;
+  bitmap->alpha_next_blit = -1;
+}
+
 Bitmap *CreateBitmapStruct(void)
 {
-  return checked_calloc(sizeof(Bitmap));
+  Bitmap *new_bitmap = checked_calloc(sizeof(Bitmap));
+
+  ResetBitmapAlpha(new_bitmap);
+
+  return new_bitmap;
 }
 
 Bitmap *CreateBitmap(int width, int height, int depth)
@@ -606,7 +624,7 @@ Bitmap *CreateBitmap(int width, int height, int depth)
   int real_height = MAX(1, height);	// prevent zero bitmap height
   int real_depth  = GetRealDepth(depth);
 
-  SDLCreateBitmapContent(new_bitmap, real_width, real_height, real_depth);
+  new_bitmap->surface = SDLCreateNativeSurface(real_width, real_height, real_depth);
 
   new_bitmap->width  = real_width;
   new_bitmap->height = real_height;
@@ -767,6 +785,12 @@ static boolean InClippedRectangle(Bitmap *bitmap, int *x, int *y,
   return TRUE;
 }
 
+void SetBitmapAlphaNextBlit(Bitmap *bitmap, int alpha)
+{
+  // set alpha value for next blitting of bitmap
+  bitmap->alpha_next_blit = alpha;
+}
+
 void BlitBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap,
 		int src_x, int src_y, int width, int height,
 		int dst_x, int dst_y)
@@ -914,6 +938,12 @@ void BlitBitmapMasked(Bitmap *src_bitmap, Bitmap *dst_bitmap,
 		      int src_x, int src_y, int width, int height,
 		      int dst_x, int dst_y)
 {
+  if (program.headless)
+    return;
+
+  if (src_bitmap == NULL || dst_bitmap == NULL)
+    return;
+
   if (DrawingDeactivated(dst_x, dst_y))
     return;
 
@@ -1638,6 +1668,8 @@ void OpenAudio(void)
   audio.device_name = NULL;
   audio.device_fd = -1;
 
+  audio.sample_rate = DEFAULT_AUDIO_SAMPLE_RATE;
+
   audio.num_channels = 0;
   audio.music_channel = 0;
   audio.first_sound_channel = 0;