Added warning to Tile.destroy

lib/pixi/deepzoom/loader.js

@@ -62,9 +62,14 @@ export class TileLoader {
             console.warn("Tile already loaded")
             tile.unregister()
         }
-        tile = new Tile(texture, url)
-        this.loaded.set(url, tile)
-        this.tiles.tileAvailable(tile, col, row, url)
+        try {
+            tile = new Tile(texture, url)
+            this.loaded.set(url, tile)
+            this.tiles.tileAvailable(tile, col, row, url)
+        } catch (error) {
+            console.warn("Tile loading error", error)
+        }
+        
     }
 }
 

lib/pixi/deepzoom/tile.js

@@ -59,9 +59,6 @@ export class Tile extends PIXI.Sprite {
      * @memberof Tile
      */
     destroy(options, debug = false) {
-        if (this.parent != null) {
-
-        }
         let count = this.unregister()
         if (count <= 0) {
             let opts = { children: true, texture: true, baseTexture: true }
@@ -73,5 +70,10 @@ export class Tile extends PIXI.Sprite {
             if (debug) console.log("Tile.destroy", deepZoomTileCache.size, opts)
             super.destroy(opts)
         }
+        if (this.parent != null) {
+            // UO: Emit warning and remove
+            console.warn("Destroying tile with parent. Hiding instead")
+            this.visible = false
+        }
     }
 }