private static void DrawOneBlock( Player player, Map map, Block drawBlock, Vector3I coord, BlockChangeContext context, ref int blocks, ref int blocksDenied, fCraft.Drawing.UndoState undoState ) { if ( map == null ) return; if ( player == null ) throw new ArgumentNullException( "player" ); if ( !map.InBounds( coord ) ) return; Block block = map.GetBlock( coord ); if ( block == drawBlock ) return; if ( player.CanPlace( map, coord, drawBlock, context ) != CanPlaceResult.Allowed ) { blocksDenied++; return; } map.QueueUpdate( new BlockUpdate( null, coord, drawBlock ) ); Player.RaisePlayerPlacedBlockEvent( player, map, coord, block, drawBlock, context ); if ( !undoState.IsTooLargeToUndo ) { if ( !undoState.Add( coord, block ) ) { player.Message( "NOTE: This draw command is too massive to undo." ); player.LastDrawOp = null; } } blocks++; }