private void ReconstructSelectionGrid()
{
int width = 0;
int height = 0;
// Can only reconstruct if there is a brush and layer selected.
if (brushesViewModel.Selected != null && tilesetsViewModel.Selected != null)
{
width = brushesViewModel.Selected.Width * tilesetsViewModel.Selected.TileWidth;
height = brushesViewModel.Selected.Height * tilesetsViewModel.Selected.TileHeight;
}
BrushBucket bucket = editor.GetBrushBucketForSelectedTileset();
TileBrush brush = bucket.SelectedBrush;
selectionGridManager.Reconstruct(width,
height,
tilesetsViewModel.Selected.TileWidth,
tilesetsViewModel.Selected.TileHeight,
brush.SelectedIndexX * tilesetsViewModel.Selected.TileWidth,
brush.SelectedIndexY * tilesetsViewModel.Selected.TileHeight);
// Resize view.
selectionBorder.Width = width;
selectionBorder.Height = height;
// "Generate" cells. Fill the grid with colored rectangles.
// Remove old rectangles.
if (rectangles.Count > 0)
{
for (int i = 0; i < rectangles.Count; i++)
{
selectionGrid.Children.Remove(rectangles[i]);
}
rectangles.Clear();
}
// Generate new rectangles.
for (int i = 0; i < selectionGrid.RowDefinitions.Count; i++)
{
for (int j = 0; j < selectionGrid.ColumnDefinitions.Count; j++)
{
Rectangle rectangle = new Rectangle()
{
Fill = Brushes.Transparent,
Stroke = Brushes.Red
};
// Add new rect to lists.
rectangles.Add(rectangle);
selectionGrid.Children.Add(rectangle);
// Set its row and column.
Grid.SetRow(rectangle, i);
Grid.SetColumn(rectangle, j);
}
}
}
public void SelectBrush(string name)
{
if (string.IsNullOrEmpty(name))
{
selectedBrush = null;
return;
}
selectedBrush = brushes.FirstOrDefault(b => b.Name == name);
}
public BrushBucket(Tileset owner)
{
this.owner = owner;
// TODO: add all brushes by hand.
brushes = new TileBrush[]
{
new SingleTileBrush(owner),
new SingleIndexMultipleTilesBrush(2, 2, BrushResizeMode.NoResize, "Multi: 2x2", owner),
new SingleIndexMultipleTilesBrush(4, 4, BrushResizeMode.NoResize, "Multi: 4x4", owner),
new SingleIndexMultipleTilesBrush(4, 4, BrushResizeMode.NoResize, "Multi: Resizable", owner),
new MultipleIndicesMultipleTilesBrush(2, 2, BrushResizeMode.NoResize, "Stamp: 2x2", owner),
new MultipleIndicesMultipleTilesBrush(4, 4, BrushResizeMode.NoResize, "Stamp: 4x4", owner),
new MultipleIndicesMultipleTilesBrush(4, 4, BrushResizeMode.NoResize, "Stamp: Resizable", owner),
};
// Select first brush in the list.
selectedBrush = brushes.Last();
}
private void sheetCanvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
// Check if there is brush selected and tile set selected.
if (tilesetsViewModel.Selected == null)
{
return;
}
if (brushesViewModel.Selected == null)
{
return;
}
// Get mouse position
System.Windows.Point position = Mouse.GetPosition(gridBorder);
int positionX = (int)position.X / tilesetsViewModel.Selected.TileWidth;
int positionY = (int)position.Y / tilesetsViewModel.Selected.TileHeight;
// Get bucket.
BrushBucket brushBucket = editor.GetBrushBucketForSelectedTileset();
// Keep selected brush in bounds.
TileBrush brush = brushBucket.SelectedBrush;
if (positionX + brush.DisplayWidth > tilesetsViewModel.Selected.Columns)
{
positionX = tilesetsViewModel.Selected.Columns - brush.DisplayWidth;
}
if (positionY + brush.DisplayHeight > tilesetsViewModel.Selected.Rows)
{
positionY = tilesetsViewModel.Selected.Rows - brush.DisplayHeight;
}
// Select wanted index.
brush.SelectIndex(positionX, positionY);
// Reconstruct selection grid.
ReconstructSelectionGrid();
}