X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsystem.c;h=45fb77c1e86471cc7861b27ec3af6ab88b045770;hb=de8b3ae622eae10f1caf96872fb1790f7bd9644b;hp=7d25d4cd26962497585b0f605433fc2c609fc5ef;hpb=6ed4958820f8f97174ca47594dcc6f00ee31b2cb;p=rocksndiamonds.git

diff --git a/src/libgame/system.c b/src/libgame/system.c
index 7d25d4cd..45fb77c1 100644
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -70,7 +70,7 @@ void InitProgramInfo(char *argv0,
 		     char *userdata_directory, char *program_title,
 		     char *window_title, char *icon_title,
 		     char *x11_icon_filename, char *x11_iconmask_filename,
-		     char *msdos_pointer_filename,
+		     char *msdos_cursor_filename,
 		     char *cookie_prefix, char *filename_prefix,
 		     int program_version)
 {
@@ -83,7 +83,7 @@ void InitProgramInfo(char *argv0,
   program.icon_title = icon_title;
   program.x11_icon_filename = x11_icon_filename;
   program.x11_iconmask_filename = x11_iconmask_filename;
-  program.msdos_pointer_filename = msdos_pointer_filename;
+  program.msdos_cursor_filename = msdos_cursor_filename;
 
   program.cookie_prefix = cookie_prefix;
   program.filename_prefix = filename_prefix;
@@ -272,6 +272,29 @@ inline static int GetRealDepth(int depth)
   return (depth == DEFAULT_DEPTH ? video.default_depth : depth);
 }
 
+inline static void sysFillRectangle(Bitmap *bitmap, int x, int y,
+			       int width, int height, Pixel color)
+{
+#if defined(TARGET_SDL)
+  SDLFillRectangle(bitmap, x, y, width, height, color);
+#else
+  X11FillRectangle(bitmap, x, y, width, height, color);
+#endif
+}
+
+inline static void sysCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+			       int src_x, int src_y, int width, int height,
+			       int dst_x, int dst_y, int mask_mode)
+{
+#if defined(TARGET_SDL)
+  SDLCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+	      dst_x, dst_y, mask_mode);
+#else
+  X11CopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+	      dst_x, dst_y, mask_mode);
+#endif
+}
+
 inline void InitVideoDisplay(void)
 {
 #if defined(TARGET_SDL)
@@ -288,7 +311,6 @@ inline void CloseVideoDisplay(void)
 #if defined(TARGET_SDL)
   SDL_QuitSubSystem(SDL_INIT_VIDEO);
 #else
-
   if (display)
     XCloseDisplay(display);
 #endif
@@ -304,7 +326,7 @@ inline void InitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window,
   video.fullscreen_available = FULLSCREEN_STATUS;
   video.fullscreen_enabled = FALSE;
 
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
   SDLInitVideoBuffer(backbuffer, window, fullscreen);
 #else
   X11InitVideoBuffer(backbuffer, window);
@@ -313,7 +335,7 @@ inline void InitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window,
 
 inline Bitmap *CreateBitmapStruct(void)
 {
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
   return checked_calloc(sizeof(struct SDLSurfaceInfo));
 #else
   return checked_calloc(sizeof(struct X11DrawableInfo));
@@ -325,37 +347,10 @@ inline Bitmap *CreateBitmap(int width, int height, int depth)
   Bitmap *new_bitmap = CreateBitmapStruct();
   int real_depth = GetRealDepth(depth);
 
-#ifdef TARGET_SDL
-  SDL_Surface *surface_tmp, *surface_native;
-
-  if ((surface_tmp = SDL_CreateRGBSurface(SURFACE_FLAGS, width, height,
-					  real_depth, 0, 0, 0, 0))
-      == NULL)
-    Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError());
-
-  if ((surface_native = SDL_DisplayFormat(surface_tmp)) == NULL)
-    Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
-
-  SDL_FreeSurface(surface_tmp);
-
-  new_bitmap->surface = surface_native;
+#if defined(TARGET_SDL)
+  SDLCreateBitmapContent(new_bitmap, width, height, real_depth);
 #else
-  Pixmap pixmap;
-
-  if ((pixmap = XCreatePixmap(display, window->drawable,
-			      width, height, real_depth))
-      == None)
-    Error(ERR_EXIT, "cannot create pixmap");
-
-  new_bitmap->drawable = pixmap;
-
-  if (window == NULL)
-    Error(ERR_EXIT, "Window GC needed for Bitmap -- create Window first");
-
-  new_bitmap->gc = window->gc;
-
-  new_bitmap->line_gc[0] = window->line_gc[0];
-  new_bitmap->line_gc[1] = window->line_gc[1];
+  X11CreateBitmapContent(new_bitmap, width, height, real_depth);
 #endif
 
   new_bitmap->width = width;
@@ -369,29 +364,10 @@ inline static void FreeBitmapPointers(Bitmap *bitmap)
   if (bitmap == NULL)
     return;
 
-#ifdef TARGET_SDL
-  if (bitmap->surface)
-    SDL_FreeSurface(bitmap->surface);
-  if (bitmap->surface_masked)
-    SDL_FreeSurface(bitmap->surface_masked);
-  bitmap->surface = NULL;
-  bitmap->surface_masked = NULL;
+#if defined(TARGET_SDL)
+  SDLFreeBitmapPointers(bitmap);
 #else
-  /* The X11 version seems to have a memory leak here -- although
-     "XFreePixmap()" is called, the corresponding memory seems not
-     to be freed (according to "ps"). The SDL version apparently
-     does not have this problem. */
-
-  if (bitmap->drawable)
-    XFreePixmap(display, bitmap->drawable);
-  if (bitmap->clip_mask)
-    XFreePixmap(display, bitmap->clip_mask);
-  if (bitmap->stored_clip_gc)
-    XFreeGC(display, bitmap->stored_clip_gc);
-  /* the other GCs are only pointers to GCs used elsewhere */
-  bitmap->drawable = None;
-  bitmap->clip_mask = None;
-  bitmap->stored_clip_gc = None;
+  X11FreeBitmapPointers(bitmap);
 #endif
 
   if (bitmap->source_filename)
@@ -422,7 +398,7 @@ inline void FreeBitmap(Bitmap *bitmap)
 
 inline void CloseWindow(DrawWindow *window)
 {
-#ifdef TARGET_X11
+#if defined(TARGET_X11)
   if (window->drawable)
   {
     XUnmapWindow(display, window->drawable);
@@ -466,59 +442,29 @@ inline boolean DrawingOnBackground(int x, int y)
 }
 
 inline void BlitBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap,
-		       int src_x, int src_y,
-		       int width, int height,
+		       int src_x, int src_y, int width, int height,
 		       int dst_x, int dst_y)
 {
   if (DrawingDeactivated(dst_x, dst_y, width, height))
     return;
 
-#ifdef TARGET_SDL
-  SDLCopyArea(src_bitmap, dst_bitmap,
-	      src_x, src_y, width, height, dst_x, dst_y, SDLCOPYAREA_OPAQUE);
-#else
-  XCopyArea(display, src_bitmap->drawable, dst_bitmap->drawable,
-	    dst_bitmap->gc, src_x, src_y, width, height, dst_x, dst_y);
-#endif
+  sysCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+	      dst_x, dst_y, BLIT_OPAQUE);
 }
 
-inline void DrawRectangle(Bitmap *bitmap, int x, int y, int width, int height,
+inline void FillRectangle(Bitmap *bitmap, int x, int y, int width, int height,
 			  Pixel color)
 {
   if (DrawingDeactivated(x, y, width, height))
     return;
 
-#ifdef TARGET_SDL
-  SDLFillRectangle(bitmap, x, y, width, height, color);
-#else
-  XSetForeground(display, bitmap->gc, color);
-  XFillRectangle(display, bitmap->drawable, bitmap->gc, x, y, width, height);
-  XSetForeground(display, bitmap->gc, BlackPixel(display, screen));
-#endif
+  sysFillRectangle(bitmap, x, y, width, height, color);
 }
 
-#if 1
 inline void ClearRectangle(Bitmap *bitmap, int x, int y, int width, int height)
 {
-#ifdef TARGET_SDL
-  DrawRectangle(bitmap, x, y, width, height, 0x000000);
-#else
-  DrawRectangle(bitmap, x, y, width, height, 0x000000);
-#endif
+  FillRectangle(bitmap, x, y, width, height, BLACK_PIXEL);
 }
-#else
-inline void ClearRectangle(Bitmap *bitmap, int x, int y, int width, int height)
-{
-  if (DrawingDeactivated(x, y, width, height))
-    return;
-
-#ifdef TARGET_SDL
-  SDLFillRectangle(bitmap, x, y, width, height, 0x000000);
-#else
-  XFillRectangle(display, bitmap->drawable, bitmap->gc, x, y, width, height);
-#endif
-}
-#endif
 
 inline void ClearRectangleOnBackground(Bitmap *bitmap, int x, int y,
 				       int width, int height)
@@ -537,7 +483,7 @@ static GC last_clip_gc = 0;	/* needed for XCopyArea() through clip mask */
 
 inline void SetClipMask(Bitmap *bitmap, GC clip_gc, Pixmap clip_pixmap)
 {
-#ifdef TARGET_X11
+#if defined(TARGET_X11)
   if (clip_gc)
   {
     bitmap->clip_gc = clip_gc;
@@ -551,7 +497,7 @@ inline void SetClipMask(Bitmap *bitmap, GC clip_gc, Pixmap clip_pixmap)
 
 inline void SetClipOrigin(Bitmap *bitmap, GC clip_gc, int clip_x, int clip_y)
 {
-#ifdef TARGET_X11
+#if defined(TARGET_X11)
   if (clip_gc)
   {
     bitmap->clip_gc = clip_gc;
@@ -571,13 +517,8 @@ inline void BlitBitmapMasked(Bitmap *src_bitmap, Bitmap *dst_bitmap,
   if (DrawingDeactivated(dst_x, dst_y, width, height))
     return;
 
-#ifdef TARGET_SDL
-  SDLCopyArea(src_bitmap, dst_bitmap,
-	      src_x, src_y, width, height, dst_x, dst_y, SDLCOPYAREA_MASKED);
-#else
-  XCopyArea(display, src_bitmap->drawable, dst_bitmap->drawable,
-	    src_bitmap->clip_gc, src_x, src_y, width, height, dst_x, dst_y);
-#endif
+  sysCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+	      dst_x, dst_y, BLIT_MASKED);
 }
 
 inline void BlitBitmapOnBackground(Bitmap *src_bitmap, Bitmap *dst_bitmap,
@@ -605,12 +546,10 @@ inline void BlitBitmapOnBackground(Bitmap *src_bitmap, Bitmap *dst_bitmap,
 inline void DrawSimpleWhiteLine(Bitmap *bitmap, int from_x, int from_y,
 				int to_x, int to_y)
 {
-#ifdef TARGET_SDL
-  SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, 0xffffff);
+#if defined(TARGET_SDL)
+  SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, WHITE_PIXEL);
 #else
-  XSetForeground(display, bitmap->gc, WhitePixel(display, screen));
-  XDrawLine(display, bitmap->drawable, bitmap->gc, from_x, from_y, to_x, to_y);
-  XSetForeground(display, bitmap->gc, BlackPixel(display, screen));
+  X11DrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, WHITE_PIXEL);
 #endif
 }
 
@@ -663,53 +602,34 @@ inline void DrawLines(Bitmap *bitmap, struct XY *points, int num_points,
   XSetForeground(display, bitmap->line_gc[1], pixel);
   XDrawLines(display, bitmap->drawable, bitmap->line_gc[1],
 	     (XPoint *)points, num_points, CoordModeOrigin);
-  /*
-  XSetForeground(display, gc, BlackPixel(display, screen));
-  */
 #endif
 }
 
 inline Pixel GetPixel(Bitmap *bitmap, int x, int y)
 {
+  if (x < 0 || x >= bitmap->width ||
+      y < 0 || y >= bitmap->height)
+    return BLACK_PIXEL;
+
 #if defined(TARGET_SDL)
   return SDLGetPixel(bitmap, x, y);
 #elif defined(TARGET_ALLEGRO)
   return AllegroGetPixel(bitmap->drawable, x, y);
 #else
-  unsigned long pixel_value;
-  XImage *pixel_image;
-
-  pixel_image = XGetImage(display, bitmap->drawable, x, y, 1, 1,
-			  AllPlanes, ZPixmap);
-  pixel_value = XGetPixel(pixel_image, 0, 0);
-
-  XDestroyImage(pixel_image);
-
-  return pixel_value;
+  return X11GetPixel(bitmap, x, y);
 #endif
 }
 
 inline Pixel GetPixelFromRGB(Bitmap *bitmap, unsigned int color_r,
 			     unsigned int color_g, unsigned int color_b)
 {
-  Pixel pixel;
-
 #if defined(TARGET_SDL)
-  pixel = SDL_MapRGB(bitmap->surface->format, color_r, color_g, color_b);
+  return SDL_MapRGB(bitmap->surface->format, color_r, color_g, color_b);
 #elif defined(TARGET_ALLEGRO)
-  pixel = AllegroAllocColorCell(color_r << 8, color_g << 8, color_b << 8);
-#elif defined(TARGET_X11_NATIVE)
-  XColor xcolor;
-
-  xcolor.flags = DoRed | DoGreen | DoBlue;
-  xcolor.red = (color_r << 8);
-  xcolor.green = (color_g << 8);
-  xcolor.blue = (color_b << 8);
-  XAllocColor(display, cmap, &xcolor);
-  pixel = xcolor.pixel;
+  return AllegroAllocColorCell(color_r << 8, color_g << 8, color_b << 8);
+#else
+  return X11GetPixelFromRGB(color_r, color_g, color_b);
 #endif
-
-  return pixel;
 }
 
 inline Pixel GetPixelFromRGBcompact(Bitmap *bitmap, unsigned int color)
@@ -739,7 +659,7 @@ inline void SyncDisplay(void)
 
 inline void KeyboardAutoRepeatOn(void)
 {
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
   SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY / 2,
 		      SDL_DEFAULT_REPEAT_INTERVAL / 2);
   SDL_EnableUNICODE(1);
@@ -751,7 +671,7 @@ inline void KeyboardAutoRepeatOn(void)
 
 inline void KeyboardAutoRepeatOff(void)
 {
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
   SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL);
   SDL_EnableUNICODE(0);
 #else
@@ -762,7 +682,7 @@ inline void KeyboardAutoRepeatOff(void)
 
 inline boolean PointerInWindow(DrawWindow *window)
 {
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
   return TRUE;
 #else
   Window root, child;
@@ -779,7 +699,7 @@ inline boolean PointerInWindow(DrawWindow *window)
 
 inline boolean SetVideoMode(boolean fullscreen)
 {
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
   return SDLSetVideoMode(&backbuffer, fullscreen);
 #else
   boolean success = TRUE;
@@ -800,7 +720,7 @@ inline boolean SetVideoMode(boolean fullscreen)
 
 inline boolean ChangeVideoModeIfNeeded(boolean fullscreen)
 {
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
   if ((fullscreen && !video.fullscreen_enabled && video.fullscreen_available)||
       (!fullscreen && video.fullscreen_enabled))
     fullscreen = SetVideoMode(fullscreen);
@@ -917,7 +837,7 @@ void CreateBitmapWithSmallBitmaps(Bitmap *src_bitmap)
   FreeBitmap(tmp_bitmap_2);
   FreeBitmap(tmp_bitmap_8);
 
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
   src_bitmap->surface = tmp_bitmap->surface;
   tmp_bitmap->surface = NULL;
 #else
@@ -931,6 +851,119 @@ void CreateBitmapWithSmallBitmaps(Bitmap *src_bitmap)
 }
 
 
+/* ------------------------------------------------------------------------- */
+/* mouse pointer functions                                                   */
+/* ------------------------------------------------------------------------- */
+
+/* cursor bitmap in XPM format */
+static const char *cursor_image_playfield[] =
+{
+  /* width height num_colors chars_per_pixel */
+  "    32    32        3            1",
+
+  /* colors */
+  "X c #000000",
+  ". c #ffffff",
+  "  c None",
+
+  " X                              ",
+  "X.X                             ",
+  " X                              ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "                                ",
+  "1,1"
+};
+
+static struct MouseCursorInfo *get_cursor_from_image(const char **image)
+{
+  struct MouseCursorInfo *cursor;
+  int row, col, i;
+
+  cursor = checked_calloc(sizeof(struct MouseCursorInfo));
+
+  i = -1;
+  for (row=0; row<32; ++row)
+  {
+    for (col=0; col<32; ++col)
+    {
+      if (col % 8)
+      {
+        cursor->data[i] <<= 1;
+        cursor->mask[i] <<= 1;
+      }
+      else
+      {
+        i++;
+        cursor->data[i] = cursor->mask[i] = 0;
+      }
+
+      switch (image[4+row][col])
+      {
+        case 'X':
+	  cursor->data[i] |= 0x01;
+	  cursor->mask[i] |= 0x01;
+	  break;
+
+        case '.':
+	  cursor->mask[i] |= 0x01;
+	  break;
+
+        case ' ':
+	  break;
+      }
+    }
+  }
+
+  sscanf(image[4+row], "%d,%d", &cursor->hot_x, &cursor->hot_y);
+
+  cursor->width = 32;
+  cursor->height = 32;
+
+  return cursor;
+}
+
+void SetMouseCursor(int mode)
+{
+  struct MouseCursorInfo *cursor_playfield = NULL;
+
+  if (cursor_playfield == NULL)
+    cursor_playfield = get_cursor_from_image(cursor_image_playfield);
+
+#if defined(TARGET_SDL)
+  SDLSetMouseCursor(mode == CURSOR_PLAYFIELD ? cursor_playfield : NULL);
+#elif defined(TARGET_X11_NATIVE)
+  X11SetMouseCursor(mode == CURSOR_PLAYFIELD ? cursor_playfield : NULL);
+#endif
+}
+
+
 /* ========================================================================= */
 /* audio functions                                                           */
 /* ========================================================================= */
@@ -991,7 +1024,7 @@ inline void SetAudioMode(boolean enabled)
 
 inline void InitEventFilter(EventFilter filter_function)
 {
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
   /* set event filter to filter out certain events */
   SDL_SetEventFilter(filter_function);
 #endif
@@ -999,7 +1032,7 @@ inline void InitEventFilter(EventFilter filter_function)
 
 inline boolean PendingEvent(void)
 {
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
   return (SDL_PollEvent(NULL) ? TRUE : FALSE);
 #else
   return (XPending(display) ? TRUE : FALSE);
@@ -1008,7 +1041,7 @@ inline boolean PendingEvent(void)
 
 inline void NextEvent(Event *event)
 {
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
   SDLNextEvent(event);
 #else
   XNextEvent(display, event);
@@ -1017,7 +1050,7 @@ inline void NextEvent(Event *event)
 
 inline Key GetEventKey(KeyEvent *event, boolean with_modifiers)
 {
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
 #if 0
   printf("unicode == '%d', sym == '%d', mod == '0x%04x'\n",
 	 (int)event->keysym.unicode,
@@ -1070,7 +1103,7 @@ inline void InitJoysticks()
 {
   int i;
 
-#ifdef NO_JOYSTICK
+#if defined(NO_JOYSTICK)
   return;	/* joysticks generally deactivated by compile-time directive */
 #endif