Create tilesets from image collections

Author: gogoprog

src/tilemaps/parsers/tiled/BuildTilesetIndex.js

@@ -14,10 +14,28 @@
  *
  * @return {array} [description]
  */
+
+var Tileset = require('../../Tileset');
+
 var BuildTilesetIndex = function (mapData)
 {
     var tiles = [];
 
+    for (var i = 0; i < mapData.imageCollections.length; i++)
+    {
+        var collection = mapData.imageCollections[i];
+        var images = collection.images;
+
+        for (var j = 0; j < images.length; j++) {
+            var image = images[j];
+
+            var set = new Tileset(image.image, image.gid, collection.imageWidth, collection.imageHeight, 0, 0);
+            set.updateTileData(collection.imageWidth, collection.imageHeight);
+
+            mapData.tilesets.push(set);
+        }
+    }
+
     for (var i = 0; i < mapData.tilesets.length; i++)
     {
         var set = mapData.tilesets[i];