AStarTest.MapControl.UpdateTile C# (CSharp) Method

        void UpdateTile(ref RenderTileData tile, IntVector3 ml)
        {
            tile = new RenderTileData(Brushes.Black);

            if (!m_map.Bounds.Contains(ml))
            {
                tile.Brush = Brushes.DarkBlue;
            }
            else
            {
                tile.Weight = m_map.GetWeight(ml);
                tile.Stairs = m_map.GetStairs(ml);

                if (m_nodes != null && m_nodes.ContainsKey(ml))
                {
                    var node = m_nodes[ml];
                    tile.G = node.G;
                    tile.H = node.H;

                    if (node.Parent == null)
                        tile.From = Direction.None;
                    else
                        tile.From = (node.Parent.Loc - node.Loc).ToDirection();

                    if (m_path != null && m_path.Contains(ml))
                        tile.Brush = Brushes.DarkGray;
                    else if (node.Closed)
                        tile.Brush = Brushes.MidnightBlue;
                }

                if (m_map.GetBlocked(ml))
                {
                    tile.Brush = Brushes.Blue;
                }
                else if (m_state > 0 && ml == m_from)
                {
                    tile.Brush = Brushes.Green;
                }
                else if (m_state > 1 && ml == m_to)
                {
                    tile.Brush = Brushes.Red;
                }
            }
        }