Partial fix, still missing functionality (like a lot)

src/managers/zoneManager.ts

@@ -25,19 +25,26 @@ class ZoneManager {
   }
 
   // For now only current zone.
-  public async getAssetsNeeded(zone: Zone) {
-    zone.tiles
-    const tiles = JSON.parse(zone.tiles as string) as string[][];
+  public async getNeededAssets(zone: Zone) {
+    const tiles = this.getUnique((JSON.parse(JSON.stringify(zone.tiles)) as string[][]).reduce((acc, val) => [...acc, ...val]));
     const objects = await zoneRepository.getObjects(zone.id);
-    console.log(tiles);
-    console.log(objects);
+    let mappedObjects = this.getUnique(objects.map(x => x.objectId));
+
+    return {
+      tiles,
+      objects: mappedObjects
+    };
+  }
+
+  private getUnique<T>(array: T[]) {
+    return [...new Set<T>(array)]
   }
 
   // Method to handle individual zoneEditor loading
   public async loadZone(zone: Zone) {
     const loadedZone = new LoadedZone(zone)
     this.loadedZones.push(loadedZone)
-    await this.getAssetsNeeded(zone);
+    await this.getNeededAssets(zone);
     logger.info(`Zone ID ${zone.id} loaded`)
   }