// (c) 1995-2014 by Artsoft Entertainment
// Holger Schemel
// info@artsoft.org
-// http://www.artsoft.org/
+// https://www.artsoft.org/
// ----------------------------------------------------------------------------
// image.c
// ============================================================================
char *source_filename;
int num_references;
- Bitmap *bitmap;
+ Bitmap *bitmaps[NUM_IMG_BITMAP_POINTERS];
- int original_width; /* original image file width */
- int original_height; /* original image file height */
+ int original_width; // original image file width
+ int original_height; // original image file height
- boolean contains_small_images; /* set after adding small images */
- boolean scaled_up; /* set after scaling up */
+ 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
+ int game_tile_size; // tile size as resized for game
+
+ char *leveldir; // level set when image was loaded
};
typedef struct ImageInfo ImageInfo;
static struct ArtworkListInfo *image_info = NULL;
-#if 1
static void *Load_Image(char *filename)
-#else
-static void *Load_PCX(char *filename)
-#endif
{
- ImageInfo *img_info;
-
-#if 0
- printf("::: loading PCX file '%s'\n", filename);
-#endif
-
- img_info = checked_calloc(sizeof(ImageInfo));
+ ImageInfo *img_info = checked_calloc(sizeof(ImageInfo));
- if ((img_info->bitmap = LoadImage(filename)) == NULL)
+ if ((img_info->bitmaps[IMG_BITMAP_STANDARD] = LoadImage(filename)) == NULL)
{
- Error(ERR_WARN, "cannot load image file '%s': LoadImage() failed: %s",
- filename, GetError());
+ Warn("cannot load image file '%s': LoadImage() failed", filename);
+
free(img_info);
+
return NULL;
}
img_info->source_filename = getStringCopy(filename);
- img_info->original_width = img_info->bitmap->width;
- img_info->original_height = img_info->bitmap->height;
+ img_info->original_width = img_info->bitmaps[IMG_BITMAP_STANDARD]->width;
+ 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
+ img_info->game_tile_size = 0; // will be set later
+
+ img_info->leveldir = NULL; // will be set later
+
return img_info;
}
static void FreeImage(void *ptr)
{
ImageInfo *image = (ImageInfo *)ptr;
+ int i;
if (image == NULL)
return;
- if (image->bitmap)
- FreeBitmap(image->bitmap);
+ for (i = 0; i < NUM_IMG_BITMAPS; i++)
+ if (image->bitmaps[i])
+ FreeBitmap(image->bitmaps[i]);
if (image->source_filename)
free(image->source_filename);
free(image);
}
-int getImageListSize()
+int getImageListSize(void)
{
return (image_info->num_file_list_entries +
image_info->num_dynamic_file_list_entries);
return img_info[list_pos];
}
-Bitmap *getBitmapFromImageID(int pos)
+Bitmap **getBitmapsFromImageID(int pos)
{
ImageInfo *img_info = getImageInfoEntryFromImageID(pos);
- return (img_info != NULL ? img_info->bitmap : NULL);
+ return (img_info != NULL ? img_info->bitmaps : NULL);
}
int getOriginalImageWidthFromImageID(int pos)
return -1;
}
-char *getImageConfigFilename()
+char *getImageConfigFilename(void)
{
return getCustomArtworkConfigFilename(image_info->type);
}
-int getImageListPropertyMappingSize()
+int getImageListPropertyMappingSize(void)
{
return image_info->num_property_mapping_entries;
}
-struct PropertyMapping *getImageListPropertyMapping()
+struct PropertyMapping *getImageListPropertyMapping(void)
{
return image_info->property_mapping;
}
image_info = checked_calloc(sizeof(struct ArtworkListInfo));
image_info->type = ARTWORK_TYPE_GRAPHICS;
- /* ---------- initialize file list and suffix lists ---------- */
+ // ---------- initialize file list and suffix lists ----------
image_info->num_file_list_entries = num_file_list_entries;
image_info->num_dynamic_file_list_entries = 0;
image_info->suffix_list = config_suffix_list;
- /* ---------- initialize base prefix and suffixes lists ---------- */
+ // ---------- initialize base prefix and suffixes lists ----------
image_info->num_base_prefixes = 0;
for (i = 0; base_prefixes[i] != NULL; i++)
image_info->property_mapping = NULL;
- /* ---------- initialize artwork reference and content lists ---------- */
+ // ---------- initialize artwork reference and content lists ----------
image_info->sizeof_artwork_list_entry = sizeof(ImageInfo *);
image_info->content_list = NULL;
- /* ---------- initialize artwork loading/freeing functions ---------- */
+ // ---------- initialize artwork loading/freeing functions ----------
-#if 1
image_info->load_artwork = Load_Image;
-#else
- image_info->load_artwork = Load_PCX;
-#endif
image_info->free_artwork = FreeImage;
}
-void ReloadCustomImages()
+void ReloadCustomImages(void)
{
-#if 0
- printf("::: reloading images '%s' ...\n", artwork.gfx_current_identifier);
-#endif
-
print_timestamp_init("ReloadCustomImages");
LoadArtworkConfig(image_info);
print_timestamp_done("ReloadCustomImages");
}
+static boolean CheckIfImageContainsSmallImages(ImageInfo *img_info,
+ int tile_size)
+{
+ if (!img_info->contains_small_images)
+ return FALSE;
+
+ // at this point, small images already exist for this image;
+ // now do some checks that may require re-creating small (or in-game) images
+
+ // special case 1:
+ //
+ // check if the configured tile size for an already loaded image has changed
+ // from one level set to another; this should usually not happen, but if a
+ // 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
+
+ if (!strEqual(img_info->leveldir, leveldir_current->identifier) &&
+ img_info->conf_tile_size != tile_size)
+ {
+ int bitmap_nr = GET_BITMAP_ID_FROM_TILESIZE(img_info->conf_tile_size);
+ int i;
+
+ // free all calculated, resized bitmaps, but keep last configured size
+ for (i = 0; i < NUM_IMG_BITMAPS; i++)
+ {
+ if (i == bitmap_nr)
+ continue;
+
+ if (img_info->bitmaps[i])
+ {
+ FreeBitmap(img_info->bitmaps[i]);
+
+ img_info->bitmaps[i] = NULL;
+ }
+ }
+
+ // re-create small bitmaps from last configured size as new default size
+ if (bitmap_nr != IMG_BITMAP_STANDARD)
+ {
+ img_info->bitmaps[IMG_BITMAP_STANDARD] = img_info->bitmaps[bitmap_nr];
+ img_info->bitmaps[bitmap_nr] = NULL;
+ }
+
+ img_info->contains_small_images = FALSE;
+
+ 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;
+ // this may require resizing image to new size required for in-game graphics
+
+ if (img_info->game_tile_size != gfx.game_tile_size)
+ {
+ ReCreateGameTileSizeBitmap(img_info->bitmaps);
+
+ img_info->game_tile_size = gfx.game_tile_size;
+ }
+
+ return TRUE;
+}
+
void CreateImageWithSmallImages(int pos, int zoom_factor, int tile_size)
{
ImageInfo *img_info = getImageInfoEntryFromImageID(pos);
- if (img_info == NULL || img_info->contains_small_images)
+ if (img_info == NULL)
+ return;
+
+ if (CheckIfImageContainsSmallImages(img_info, tile_size))
return;
- CreateBitmapWithSmallBitmaps(img_info->bitmap, zoom_factor, tile_size);
+ CreateBitmapWithSmallBitmaps(img_info->bitmaps, zoom_factor, tile_size);
img_info->contains_small_images = TRUE;
- img_info->scaled_up = TRUE;
+ img_info->scaled_up = TRUE; // scaling was also done here
+
+ img_info->conf_tile_size = tile_size;
+ img_info->game_tile_size = gfx.game_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;
+}
+
+static 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(void)
+{
+ int num_images = getImageListSize();
+ int i;
+
+ for (i = 0; i < num_images; i++)
+ FreeImageTextures(i);
}
void ScaleImage(int pos, int zoom_factor)
return;
if (zoom_factor != 1)
- ScaleBitmap(img_info->bitmap, zoom_factor);
+ ScaleBitmap(img_info->bitmaps, zoom_factor);
img_info->scaled_up = TRUE;
}
-void FreeAllImages()
+void FreeAllImages(void)
{
FreeCustomArtworkLists(image_info);
}