Changes to DrawTile.cs
public bool Equals(DrawTile other)
{
#if JpContinuousMap
// Add extra test to allow copies to the side of the map
return ((PosXY == other.PosXY) && (PosPixel == other.PosPixel));
#else // JpContinuousMap
return (PosXY == other.PosXY);
#endif // JpContinuousMap
}