rnd-20031213-1-src

[rocksndiamonds.git] / src / libgame / sdl.c

diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c
index 18e384c5e13530a60fb75db743059714e5f902b6..e9d10df51f3a8103acb3520b27615e00cb487e1c 100644 (file)
--- 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;
@@ -71,7 +71,7 @@ inline void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window,
   fullscreen_yoffset = 0;
 
 #ifdef FULLSCREEN_BUG
-  for (i=0; screen_xy[i][0] != -1; i++)
+  for (i = 0; screen_xy[i][0] != -1; i++)
   {
     if (video.width <= screen_xy[i][0] && video.height <= screen_xy[i][1])
     {
@@ -340,11 +340,11 @@ inline void SDLDrawLines(SDL_Surface *surface, struct XY *points,
   int i, x, y;
   int line_width = 4;
 
-  for (i=0; i<num_points - 1; i++)
+  for (i = 0; i < num_points - 1; i++)
   {
-    for (x=0; x<line_width; x++)
+    for (x = 0; x < line_width; x++)
     {
-      for (y=0; y<line_width; y++)
+      for (y = 0; y < line_width; y++)
       {
        int dx = x - line_width / 2;
        int dy = y - line_width / 2;
@@ -866,6 +866,14 @@ void sge_LineRGB(SDL_Surface *Surface, Sint16 x1, Sint16 y1, Sint16 x2,
 
 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);
 }
 
@@ -881,9 +889,9 @@ inline void SDLInvertArea(Bitmap *bitmap, int src_x, int src_y,
 {
   int x, y;
 
-  for (y=src_y; y < src_y + height; y++)
+  for (y = src_y; y < src_y + height; y++)
   {
-    for (x=src_x; x < src_x + width; x++)
+    for (x = src_x; x < src_x + width; x++)
     {
       Uint32 pixel = SDLGetPixel(bitmap, x, y);
 
@@ -898,9 +906,9 @@ inline void SDLCopyInverseMasked(Bitmap *src_bitmap, Bitmap *dst_bitmap,
 {
   int x, y;
 
-  for (y=0; y < height; y++)
+  for (y = 0; y < height; y++)
   {
-    for (x=0; x < width; x++)
+    for (x = 0; x < width; x++)
     {
       Uint32 pixel = SDLGetPixel(src_bitmap, src_x + x, src_y + y);
 
@@ -1173,7 +1181,7 @@ SDL_Surface *zoomSurface(SDL_Surface *src, int dst_width, int dst_height)
   else
   {
     /* copy palette */
-    for (i=0; i < zoom_src->format->palette->ncolors; i++)
+    for (i = 0; i < zoom_src->format->palette->ncolors; i++)
       zoom_dst->format->palette->colors[i] =
        zoom_src->format->palette->colors[i];
     zoom_dst->format->palette->ncolors = zoom_src->format->palette->ncolors;
@@ -1269,19 +1277,26 @@ static SDL_Cursor *create_cursor(struct MouseCursorInfo *cursor_info)
 void SDLSetMouseCursor(struct MouseCursorInfo *cursor_info)
 {
   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();
 
+  /* 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_info);
     last_cursor_info = cursor_info;
   }
 
-  SDL_SetCursor(cursor_info ? 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;
 }
 
 
@@ -1354,14 +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
 }
@@ -1439,7 +1454,7 @@ void SDLInitJoysticks()
     }
   }
 
-  for (i=0; i<MAX_PLAYERS; i++)
+  for (i = 0; i < MAX_PLAYERS; i++)
   {
     char *device_name = setup.input[i].joy.device_name;
     int joystick_nr = getJoystickNrFromDeviceName(device_name);