Fall back to full tile

cmd/tiledump/main.go

@@ -30,9 +30,21 @@ func main() {
 		fmt.Fprintf(os.Stderr, "Fetching: %s\n", arg)
 		tileData, err = utils.FetchURL(arg)
 		if err != nil {
-			fatal("failed to fetch URL: %v", err)
+			// If it's a 404 and the URL is for a partial tile, try the full tile
+			if err.Error() == "HTTP 404" && strings.Contains(arg, ".p/") {
+				fullTileURL := arg[:strings.Index(arg, ".p/")]
+				fmt.Fprintf(os.Stderr, "Partial tile not found, trying full tile: %s\n", fullTileURL)
+				tileData, err = utils.FetchURL(fullTileURL)
+				if err != nil {
+					fatal("failed to fetch full tile: %v", err)
+				}
+				fmt.Fprintf(os.Stderr, "Fetched %d bytes from full tile\n", len(tileData))
+			} else {
+				fatal("failed to fetch URL: %v", err)
+			}
+		} else {
+			fmt.Fprintf(os.Stderr, "Fetched %d bytes\n", len(tileData))
 		}
-		fmt.Fprintf(os.Stderr, "Fetched %d bytes\n", len(tileData))
 	} else {
 		// Read from file
 		tileData, err = os.ReadFile(arg)