CNCMaps.Engine.Rendering.DebugDrawingSurfaceWindow.pictureBox1_MouseMove C# (CSharp) Method

        private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
        {
            StringBuilder sb = new StringBuilder();
            int rIdx = e.Location.X + e.Location.Y * _drawingSurface.Width;

            sb.AppendFormat("Mouse: ({0},{1})", e.Location.X, e.Location.Y);
            var tile = _tiles.GetTileScreen(e.Location);
            if (tile == null || !(tile.Drawable is TileDrawable)) {
                sb.Append("No valid tile under mouse");
            }
            else {
                var tileFile = (tile.Drawable as TileDrawable).GetTileFile(tile);
                sb.AppendFormat("   Tile {4}: d({0},{1}) r({2},{3})", tile.Dx, tile.Dy, tile.Rx, tile.Ry, tileFile.FileName.ToUpper());
                if (tileFile.Images[tile.SubTile].RampType != 0)
                    sb.AppendFormat(" ramp {0}", tileFile.Images[tile.SubTile].RampType);
                if (tileFile.Images[tile.SubTile].TerrainType != 0)
                    sb.AppendFormat(" terrain {0}", tileFile.Images[tile.SubTile].TerrainType);

                var gridTilenoZ = _tiles.GetTileScreen(e.Location, true, true);
                sb.AppendFormat("   Touched: {0}", _tiles.GridTouched[gridTilenoZ.Dx, gridTilenoZ.Dy / 2]);

                if (_tiles.GridTouchedBy[gridTilenoZ.Dx, gridTilenoZ.Dy / 2] != null)
                    sb.AppendFormat(" by {0} ", _tiles.GridTouchedBy[gridTilenoZ.Dx, gridTilenoZ.Dy / 2]);

                sb.AppendFormat("   Z-buf: {0}", _drawingSurface.GetZBuffer()[rIdx]);
                sb.AppendFormat("   S-buf: {0}", _drawingSurface.GetShadows()[rIdx]);

                var objs = _map.GetObjectsAt(tile.Dx, tile.Dy / 2);
                if (objs.Any()) {
                    sb.Append("   Objects: ");
                    foreach (var obj in objs) {
                        sb.Append(obj);

                        if (obj is OverlayObject) {
                            var ovl = (obj as OverlayObject);
                            if (ovl.IsGeneratedVeins)
                                sb.Append("(gen)");
                        }

                        sb.Append(" ");
                    }
                }
            }

            toolStripStatusLabel1.Text = sb.ToString();
        }