warning for incorrect decrypt size

classes/World.ts

@@ -99,6 +99,10 @@ export class World {
 
       this.data = ungziped.slice(cborSize+4);
       this.dataView = new DataView(this.data.buffer);
+
+      if(4 + this.size.x * this.size.y * this.size.z ==  this.data.length) {
+        console.log('[WARNING] Encoding was wrong somewhere!')
+      }
     } catch(e) {
       const layers = Math.floor(this.size.y / 2);