private void PrepareDropRegions(IBlock block)
{
this.DropRegions.Clear();
foreach (KeyValuePair <IBlockView, Point> kv in allViews)
{
IBlockView v = kv.Key;
if (v.Model == block)
{
continue;
}
Point p = kv.Value;
DropRegions.AddRange(v.DropRegions(p).Where(dr => dr.IsCompatible(blockSpace.Typeof(block), blockSpace.AttributeOf(block))));
}
}
