Fixed: TileEntity.copyWithOffset adjusts mob position data for mob sp…

…awner blocks

entity.py

@@ -96,6 +96,22 @@ def copyWithOffset(cls, tileEntity, copyOffset):
         eTag['x'] = nbt.TAG_Int(tileEntity['x'].value + copyOffset[0])
         eTag['y'] = nbt.TAG_Int(tileEntity['y'].value + copyOffset[1])
         eTag['z'] = nbt.TAG_Int(tileEntity['z'].value + copyOffset[2])
+        if eTag['id'].value == 'MobSpawner':
+            mobs = []
+            mob = eTag.get('SpawnData')
+            if mob:
+                mobs.append(mob)
+            potentials = eTag.get('SpawnPotentials')
+            if potentials:
+                mobs.extend(potentials)
+
+            for mob in mobs:
+                if "Pos" in mob:
+                    pos = Entity.pos(mob)
+                    pos = [p + o for p, o in zip(pos, copyOffset)]
+
+                    Entity.setpos(mob, pos)
+
         if eTag['id'].value == "Control":
             command = eTag['Command'].value