public IBrushInstance MakeInstance([NotNull] Player player, [NotNull] Command cmd, [NotNull] DrawOperation op)
{
if (player == null)
{
throw new ArgumentNullException("player");
}
if (cmd == null)
{
throw new ArgumentNullException("cmd");
}
if (op == null)
{
throw new ArgumentNullException("op");
}
if (cmd.HasNext)
{
Block block = cmd.NextBlock(player);
if (block == Block.Undefined)
{
return(null);
}
string brushName = cmd.Next();
if (brushName == null || !CommandManager.IsValidCommandName(brushName))
{
player.Message("ReplaceBrush usage: &H/Brush rb <Block> <BrushName>");
return(null);
}
IBrushFactory brushFactory = BrushManager.GetBrushFactory(brushName);
if (brushFactory == null)
{
player.Message("Unrecognized brush \"{0}\"", brushName);
return(null);
}
IBrush replacement = brushFactory.MakeBrush(player, cmd);
if (replacement == null)
{
return(null);
}
Block = block;
Replacement = replacement;
}
ReplacementInstance = Replacement.MakeInstance(player, cmd, op);
if (ReplacementInstance == null)
{
return(null);
}
return(new ReplaceBrushBrush(this));
}