tiled.registerTool("RandomTilePlacer", {
  name: "Random Tile Placer",

  mousePressed: function (button, x, y, modifiers) {
    if (button !== 1) return;

    var map = tiled.activeAsset;
    if (!map || !map.isTileMap) return;

    var layer = map.currentLayer;
    if (!layer || !layer.isTileLayer) {
      tiled.warn("Select a tile layer first.");
      return;
    }

    var selectedTiles = tiled.mapEditor.tilesetsView.selectedTiles;
    if (!selectedTiles || selectedTiles.length === 0) {
      tiled.warn("Select some tiles in the Tilesets panel first.");
      return;
    }

    var tile = selectedTiles[Math.floor(Math.random() * selectedTiles.length)];

    var tileX = Math.floor(x / map.tileWidth);
    var tileY = Math.floor(y / map.tileHeight);

    var edit = layer.edit();
    edit.setTile(tileX, tileY, tile);
    edit.apply();
  },
});