public MainForm()
{
currentUndo = null;
selectedTile = null;
undoBuffer = new Stack<UndoState>();
redoBuffer = new Stack<UndoState>();
selectedTool = ToolType.SELECTOR;
InitializeComponent();
UpdateUndoRedoItems();
attributePaletteForm = new AttributePalette();
attributePaletteForm.Owner = this;
createRoomDialog = new CreateRoomDialog();
createRoomDialog.Owner = this;
GDIUtils.SetDoubleBuffered(this);
this.tileSetPanel1.TileSelected += new TileSetPanel.TileSelectedHandler(HandleTileSelection);
var toolButtons = this.toolStrip.Items;
foreach (ToolStripItem item in toolButtons)
{
item.Click += new EventHandler(HandleToolStripItemClick);
}
SetShowAttributes(false);
}
private void StartUndo()
{
redoBuffer.Clear();
currentUndo = new UndoState();
}
private void ApplyUndo(UndoState state, bool redo)
{
MapPanel mapPanel = null;
foreach (TileChange change in state.Changes)
{
int x = change.X;
int y = change.Y;
int changeValue = redo ? change.ToIndex : change.FromIndex;
var room = change.Room;
if (x < 0 || x >= room.Width || y < 0 || y >= room.Height)
{
continue;
}
var linearTileOffset = (y * room.Width) + x;
var tiles = room.TileIndicies;
var attrs = room.TileAttrbutes;
if (change.Nature == TileChange.Type.Tile)
{
tiles[linearTileOffset] = changeValue;
}
else if (change.Nature == TileChange.Type.Attribute)
{
attrs[linearTileOffset] = (Tile.Attribute)changeValue;
}
foreach (Control control in this.gridPanel.Controls)
{
mapPanel = control as MapPanel;
if (mapPanel != null)
{
// Find the panel that hold the room we edited...
if (mapPanel.Room == room)
{
mapPanel.RedrawTileAtIndex(x, y);
break;
}
}
}
}
if (mapPanel != null)
{
mapPanel.Invalidate();
}
}