X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsdl.c;h=74123228f2b2185f43100f4c3b2d5c19b70f356a;hb=80b3b0a5109b5678a9a921fcd1b4f7046e5e76d0;hp=51c2baf83e8ef9e4f5f5508c3ac9b34a158f8e36;hpb=de8b3ae622eae10f1caf96872fb1790f7bd9644b;p=rocksndiamonds.git

diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c
index 51c2baf8..74123228 100644
--- a/src/libgame/sdl.c
+++ b/src/libgame/sdl.c
@@ -26,9 +26,9 @@
 /* functions from SGE library */
 inline void sge_Line(SDL_Surface *, Sint16, Sint16, Sint16, Sint16, Uint32);
 
-#ifdef PLATFORM_WIN32
+/* #ifdef PLATFORM_WIN32 */
 #define FULLSCREEN_BUG
-#endif
+/* #endif */
 
 /* stuff needed to work around SDL/Windows fullscreen drawing bug */
 static int fullscreen_width;
@@ -363,12 +363,12 @@ inline void SDLDrawLines(SDL_Surface *surface, struct XY *points,
 }
 #endif
 
-inline Pixel SDLGetPixel(Bitmap *dst_bitmap, int x, int y)
+inline Pixel SDLGetPixel(Bitmap *src_bitmap, int x, int y)
 {
-  SDL_Surface *surface = dst_bitmap->surface;
+  SDL_Surface *surface = src_bitmap->surface;
 
 #ifdef FULLSCREEN_BUG
-  if (dst_bitmap == backbuffer || dst_bitmap == window)
+  if (src_bitmap == backbuffer || src_bitmap == window)
   {
     x += video_xoffset;
     y += video_yoffset;
@@ -864,6 +864,19 @@ 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));
 }
 
+inline void SDLPutPixel(Bitmap *dst_bitmap, int x, int y, Pixel pixel)
+{
+#ifdef FULLSCREEN_BUG
+  if (dst_bitmap == backbuffer || dst_bitmap == window)
+  {
+    x += video_xoffset;
+    y += video_yoffset;
+  }
+#endif
+
+  sge_PutPixel(dst_bitmap->surface, x, y, pixel);
+}
+
 
 /*
   -----------------------------------------------------------------------------
@@ -874,7 +887,6 @@ void sge_LineRGB(SDL_Surface *Surface, Sint16 x1, Sint16 y1, Sint16 x2,
 inline void SDLInvertArea(Bitmap *bitmap, int src_x, int src_y,
 			  int width, int height, Uint32 color)
 {
-  SDL_Surface *surface = bitmap->surface;
   int x, y;
 
   for (y=src_y; y < src_y + height; y++)
@@ -883,7 +895,25 @@ inline void SDLInvertArea(Bitmap *bitmap, int src_x, int src_y,
     {
       Uint32 pixel = SDLGetPixel(bitmap, x, y);
 
-      sge_PutPixel(surface, x, y, pixel == BLACK_PIXEL ? color : BLACK_PIXEL);
+      SDLPutPixel(bitmap, x, y, pixel == BLACK_PIXEL ? color : BLACK_PIXEL);
+    }
+  }
+}
+
+inline void SDLCopyInverseMasked(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+				 int src_x, int src_y, int width, int height,
+				 int dst_x, int dst_y)
+{
+  int x, y;
+
+  for (y=0; y < height; y++)
+  {
+    for (x=0; x < width; x++)
+    {
+      Uint32 pixel = SDLGetPixel(src_bitmap, src_x + x, src_y + y);
+
+      if (pixel != BLACK_PIXEL)
+	SDLPutPixel(dst_bitmap, dst_x + x, dst_y + y, BLACK_PIXEL);
     }
   }
 }
@@ -1237,65 +1267,36 @@ Bitmap *SDLLoadImage(char *filename)
 /* custom cursor fuctions                                                    */
 /* ------------------------------------------------------------------------- */
 
-static SDL_Cursor *create_cursor(const char **image)
+static SDL_Cursor *create_cursor(struct MouseCursorInfo *cursor_info)
 {
-  int i, row, col;
-  Uint8 data[4*32];
-  Uint8 mask[4*32];
-  int hot_x, hot_y;
-
-  i = -1;
-  for (row=0; row<32; ++row)
-  {
-    for (col=0; col<32; ++col)
-    {
-      if (col % 8)
-      {
-        data[i] <<= 1;
-        mask[i] <<= 1;
-      }
-      else
-      {
-        i++;
-        data[i] = mask[i] = 0;
-      }
-
-      switch (image[4+row][col])
-      {
-        case 'X':
-	  data[i] |= 0x01;
-	  mask[i] |= 0x01;
-	  break;
-        case '.':
-	  mask[i] |= 0x01;
-	  break;
-        case ' ':
-	  break;
-      }
-    }
-  }
-
-  sscanf(image[4+row], "%d,%d", &hot_x, &hot_y);
-
-  return SDL_CreateCursor(data, mask, 32, 32, hot_x, hot_y);
+  return SDL_CreateCursor(cursor_info->data, cursor_info->mask,
+			  cursor_info->width, cursor_info->height,
+			  cursor_info->hot_x, cursor_info->hot_y);
 }
 
-void SDLSetMouseCursor(const char **cursor_image)
+void SDLSetMouseCursor(struct MouseCursorInfo *cursor_info)
 {
-  static const char **last_cursor_image = NULL;
+  static struct MouseCursorInfo *last_cursor_info = NULL;
+  static struct MouseCursorInfo *last_cursor_info2 = NULL;
   static SDL_Cursor *cursor_default = NULL;
   static SDL_Cursor *cursor_current = NULL;
 
+  /* if invoked for the first time, store the SDL default cursor */
   if (cursor_default == NULL)
     cursor_default = SDL_GetCursor();
 
-  if (cursor_image != NULL && cursor_image != last_cursor_image)
+  /* only create new cursor if cursor info (custom only) has changed */
+  if (cursor_info != NULL && cursor_info != last_cursor_info)
   {
-    cursor_current = create_cursor(cursor_image);
-    last_cursor_image = cursor_image;
+    cursor_current = create_cursor(cursor_info);
+    last_cursor_info = cursor_info;
   }
 
-  SDL_SetCursor(cursor_image ? cursor_current : cursor_default);
+  /* only set new cursor if cursor info (custom or NULL) has changed */
+  if (cursor_info != last_cursor_info2)
+    SDL_SetCursor(cursor_info ? cursor_current : cursor_default);
+
+  last_cursor_info2 = cursor_info;
 }
 
 
@@ -1368,14 +1369,14 @@ inline void SDLNextEvent(Event *event)
   }
   else if (event->type == EVENT_MOTIONNOTIFY)
   {
-    if (((ButtonEvent *)event)->x > video_xoffset)
-      ((ButtonEvent *)event)->x -= video_xoffset;
+    if (((MotionEvent *)event)->x > video_xoffset)
+      ((MotionEvent *)event)->x -= video_xoffset;
     else
-      ((ButtonEvent *)event)->x = 0;
-    if (((ButtonEvent *)event)->y > video_yoffset)
-      ((ButtonEvent *)event)->y -= video_yoffset;
+      ((MotionEvent *)event)->x = 0;
+    if (((MotionEvent *)event)->y > video_yoffset)
+      ((MotionEvent *)event)->y -= video_yoffset;
     else
-      ((ButtonEvent *)event)->y = 0;
+      ((MotionEvent *)event)->y = 0;
   }
 #endif
 }