did some quick tests

src/tiles/tilebase.cpp

@@ -34,7 +34,8 @@ Chunk::Chunk(Coordinate pos, Layer* Owner)
   tiles.reserve(64);
 
   for (int i = 0; i < 64; i++) {
-    tiles.emplace_back(i, 0, this);
+    int spriteid = owner->id > 0;
+    tiles.emplace_back(i, spriteid, this);
   }
 }