public MazeWindow(DrawMazeParameters dmp)
{
InitializeComponent();
PrintCommand.InputGestures.Add(new KeyGesture(Key.P, ModifierKeys.Control));
RefreshCommand.InputGestures.Add(new KeyGesture(Key.F5));
CopyCommand.InputGestures.Add(new KeyGesture(Key.C, ModifierKeys.Control));
_dmp = dmp;
DrawMaze(_dmp);
}
private void DrawMaze(DrawMazeParameters dmp)
{
SetUpCanvas(dmp.CanvasSize.HorizontalPixels, dmp.CanvasSize.VerticalPixels);
Maze maze = dmp.MazeAlgorithm.Create(dmp.MazeSize.Rows, dmp.MazeSize.Cols);
if (dmp.Braid)
{
maze.Braid(dmp.BraidProbability);
}
Distances d = null;
if (dmp.ColourCells)
{
d = maze[dmp.PathStartRow, dmp.PathStartCol].Distances();
}
double hCellSize = MazeCanvas.Width / maze.Cols;
double vCellSize = MazeCanvas.Height / maze.Rows;
// (0, 0) is top-left
for (int row = 0; row < maze.Rows; row++)
{
// (hOffset, vOffset) is the top-left of the current cell
double vOffset = row * vCellSize;
for (int col = 0; col < maze.Cols; col++)
{
double hOffset = col * hCellSize;
Cell thisCell = maze[row, col];
if (dmp.ColourCells)
{
if (dmp.ColourCells)
{
ColourCell(d.Max.Distance, d, thisCell, hCellSize, vCellSize);
}
}
if (dmp.DrawWalls)
{
if (!thisCell.Linked(thisCell.South))
{
DrawLine(hOffset, vOffset + vCellSize, hOffset + hCellSize, vOffset + vCellSize);
}
if (!thisCell.Linked(thisCell.East))
{
DrawLine(hOffset + hCellSize, vOffset, hOffset + hCellSize, vOffset + vCellSize);
}
}
}
if (dmp.DrawWalls)
{
DrawLine(0, 0, MazeCanvas.Width, 0);
DrawLine(0, 0, 0, MazeCanvas.Height);
}
}
if (dmp.DrawDistances)
{
DrawDistances(d, hCellSize, vCellSize);
}
if (dmp.DrawLocations)
{
DrawLocations(maze, hCellSize, vCellSize);
}
if (dmp.DrawLongest)
{
DrawPath(maze.LongestPath, hCellSize, vCellSize);
}
if (dmp.DrawStartStop)
{
// TODO AYS - Draw start and stop icons at the two ends of the longest path
double iconSize = Math.Min(hCellSize - 4, vCellSize - 4);
List <Cell> longestPath = maze.LongestPath;
Cell start = longestPath.First();
double hOffset = start.Col * hCellSize + (hCellSize - iconSize) / 2;
double vOffset = start.Row * vCellSize - (vCellSize - iconSize) / 2 + 4;
Image icon = new Image {
Width = iconSize,
Height = iconSize,
Margin = new Thickness(hOffset, vOffset, iconSize, iconSize),
Source = new BitmapImage(new Uri("pack://application:,,,/Mazes.UI;component/Images/startbw.png"))
};
MazeCanvas.Children.Add(icon);
Cell stop = longestPath.Last();
hOffset = stop.Col * hCellSize + (hCellSize - iconSize) / 2;
vOffset = stop.Row * vCellSize - (vCellSize - iconSize) / 2 + 4;
icon = new Image {
Width = iconSize,
Height = iconSize,
Margin = new Thickness(hOffset, vOffset, iconSize, iconSize),
Source = new BitmapImage(new Uri("pack://application:,,,/Mazes.UI;component/Images/stop.png"))
};
MazeCanvas.Children.Add(icon);
}
}
