1 files changed, 43 insertions, 26 deletions
diff --git a/src/tileset.c b/src/tileset.c
index f63fa0a..afe0bde 100644
--- a/src/tileset.c
+++ b/src/tileset.c
@@ -422,32 +422,8 @@ db_tileset_new(const char *game_id, const char *file, int firstgid,
 	return tileset;
 }
 
-int
-db_tileset_tilecount(struct db_tileset *tileset)
-{
-	return tileset->tc;
-}
-
-int
-db_tileset_columns(struct db_tileset *tileset)
-{
-	return tileset->cols;
-}
-
-int
-db_tileset_firstgid(struct db_tileset *tileset)
-{
-	return tileset->firstgid;
-}
-
-struct db_tileset *
-db_tileset_next(struct db_tileset *tileset)
-{
-	return tileset->next;
-}
-
-SDL_Texture *
-db_tileset_texture(struct db_tileset *tileset, SDL_Renderer *renderer)
+static SDL_Texture *
+_db_tileset_texture(struct db_tileset *tileset, SDL_Renderer *renderer)
 {
 	if (tileset->texture == NULL) {
 		tileset->texture = SDL_CreateTextureFromSurface(renderer,
@@ -455,3 +431,44 @@ db_tileset_texture(struct db_tileset *tileset, SDL_Renderer *renderer)
 	}
 	return tileset->texture;
 }
+
+int
+db_tile_render(struct db_tileset *tileset, SDL_Renderer *renderer, int gid,
+		SDL_Rect *dstrect)
+{
+	SDL_bool tile_found;
+	SDL_Rect srcrect;
+
+	tile_found = SDL_FALSE;
+	for (; tileset != NULL; tileset = tileset->next) {
+		if (gid >= tileset->firstgid &&
+				gid < tileset->firstgid + tileset->tc) {
+			gid -= tileset->firstgid;
+			srcrect.x = tileset->tw * (gid % tileset->cols);
+			srcrect.y = tileset->th * (gid / tileset->cols);
+			srcrect.w = tileset->tw;
+			srcrect.h = tileset->th;
+			db_dbg("Blitting %dx%d tile at (%d,%d) onto %dx%d area "
+					"at (%d,%d)...",
+					srcrect.w,  srcrect.h,
+					srcrect.x,  srcrect.y,
+					dstrect->w, dstrect->h,
+					dstrect->x, dstrect->y);
+			if (SDL_RenderCopy(renderer, _db_tileset_texture(
+							tileset, renderer),
+						&srcrect, dstrect)
+					!= 0) {
+				db_err("Failed to copy texture (%s)",
+						SDL_GetError());
+				return -1;
+			}
+			tile_found = SDL_TRUE;
+			break;
+		}
+	}
+	if (!tile_found) {
+		db_warn("Tile with gid 0x%8.8x not found", gid);
+		return 0;
+	}
+	return 1;
+}