added support for special media buttons on Amazon Fire TV remote control

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

diff --git a/src/libgame/image.c b/src/libgame/image.c
index 7f789cff7d28b14ce7e8b62dc4d0e934c7b59bfa..699093b7b7ebb718e6a6d74144ba3c5b81caada8 100644 (file)
--- a/src/libgame/image.c
+++ b/src/libgame/image.c
@@ -25,6 +25,7 @@ struct ImageInfo
   int original_height;                 /* original image file height */
 
   boolean contains_small_images;       /* set after adding small images */
+  boolean contains_textures;           /* set after adding GPU textures */
   boolean scaled_up;                   /* set after scaling up */
 
   int conf_tile_size;                  /* tile size as defined in config */
@@ -56,6 +57,7 @@ static void *Load_Image(char *filename)
   img_info->original_height = img_info->bitmaps[IMG_BITMAP_STANDARD]->height;
 
   img_info->contains_small_images = FALSE;
+  img_info->contains_textures = FALSE;
   img_info->scaled_up = FALSE;
 
   img_info->conf_tile_size = 0;                // will be set later
@@ -138,6 +140,13 @@ char *getTokenFromImageID(int graphic)
   return (file_list != NULL ? file_list->token : NULL);
 }
 
+char *getFilenameFromImageID(int graphic)
+{
+  struct FileInfo *file_list = getImageListEntryFromImageID(graphic);
+
+  return (file_list != NULL ? file_list->filename : NULL);
+}
+
 int getImageIDFromToken(char *token)
 {
   struct FileInfo *file_list = image_info->file_list;
@@ -270,7 +279,6 @@ static boolean CheckIfImageContainsSmallImages(ImageInfo *img_info,
   // custom artwork set redefines classic (or default) graphics with wrong tile
   // size (by mistake or by intention), it will be corrected to its original
   // tile size here by forcing complete re-creation of all small images again
-  // (this does not work if different tile sizes are used in same image file)
 
   if (!strEqual(img_info->leveldir, leveldir_current->identifier) &&
       img_info->conf_tile_size != tile_size)
@@ -304,6 +312,16 @@ static boolean CheckIfImageContainsSmallImages(ImageInfo *img_info,
     return FALSE;
   }
 
+  // special case 1 (continued):
+  //
+  // if different tile sizes are used in same image file (usually by mistake,
+  // like forgetting option ".tile_size" for one or more graphic definitions),
+  // make sure to use only the first tile size that is processed for this image
+  // (and ignore all subsequent, potentially different tile size definitions
+  // for this image within the current level set by disabling the above check)
+
+  setString(&img_info->leveldir, leveldir_current->identifier);
+
   // special case 2:
   //
   // graphic config setting "game.tile_size" has changed since last level set;
@@ -340,6 +358,39 @@ void CreateImageWithSmallImages(int pos, int zoom_factor, int tile_size)
   setString(&img_info->leveldir, leveldir_current->identifier);
 }
 
+void CreateImageTextures(int pos)
+{
+  ImageInfo *img_info = getImageInfoEntryFromImageID(pos);
+
+  if (img_info == NULL || img_info->contains_textures)
+    return;
+
+  CreateBitmapTextures(img_info->bitmaps);
+
+  img_info->contains_textures = TRUE;
+}
+
+void FreeImageTextures(int pos)
+{
+  ImageInfo *img_info = getImageInfoEntryFromImageID(pos);
+
+  if (img_info == NULL || !img_info->contains_textures)
+    return;
+
+  FreeBitmapTextures(img_info->bitmaps);
+
+  img_info->contains_textures = FALSE;
+}
+
+void FreeAllImageTextures()
+{
+  int num_images = getImageListSize();
+  int i;
+
+  for (i = 0; i < num_images; i++)
+    FreeImageTextures(i);
+}
+
 void ScaleImage(int pos, int zoom_factor)
 {
   ImageInfo *img_info = getImageInfoEntryFromImageID(pos);