private void Command_ChangeRows(object sliderValues)
{
Tuple <int, int> delta = (Tuple <int, int>)sliderValues;
TileViewModel newTile;
// Adding new items
if (delta.Item2 > delta.Item1)
{
for (int j = 0; j < (delta.Item2 - delta.Item1); j++)
{
for (int i = 0; i < Columns; i++)
{
newTile = new TileViewModel(map.Atlas, new Tile(0, 0));
Tiles.Add(newTile);
}
}
}
// Removing old items
else if (delta.Item1 > delta.Item2)
{
for (int y = delta.Item1 - 1; y >= delta.Item2; y--)
{
for (int x = Columns - 1; x >= 0; x--)
{
map.Atlas.UnRegisterTile(Tiles[Tiles.Count - 1]);
Tiles.RemoveAt(Tiles.Count - 1);
}
}
}
}
public MapSettingsViewModel(MapViewModel map)
{
this.map = map;
MapName = map.Name;
MapWidth = map.Width;
MapHeight = map.Height;
ApplyChanges = new RelayCommand(Command_ApplyChanges);
SelectAtlasFile = new ParameterCommand(Command_SelectAtlasFile);
Atlas = new AtlasViewModel(new Atlas(map.Atlas.TileSheet, map.Atlas.TileWidth, map.Atlas.TileHeight));
FillTile = new TileViewModel(Atlas, new Tile(0, 0));
}
public BrushViewModel(MapViewModel parentMap)
{
// Fields
map = parentMap;
Rows = 1;
Columns = 1;
// Tile Maps
Tiles = new ObservableCollection <TileViewModel>();
// Map has one tile by default
TileViewModel newTile = new TileViewModel(map.Atlas, new Tile(0, 0));
Tiles.Add(newTile);
newTile.IsSelected = true;
// Commands
ChangeRows = new ParameterCommand(Command_ChangeRows);
ChangeColumns = new ParameterCommand(Command_ChangeColumns);
SelectTile = new ParameterCommand(Command_SelectTile);
}
private void TileViewModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName.Equals("TileID"))
{
if (sender.GetType() != typeof(TileViewModel))
{
throw new ArgumentException("Tile Type: " + sender.GetType() + " is not valid. Expected TileViewModel");
}
// Update the Tiles bitmap image.
TileViewModel tile = sender as TileViewModel;
if (tile.TileID >= Atlas.Tiles.Count)
{
// Set a null tile?
}
else
{
tile.TileImage = Atlas.Tiles[tile.TileID];
}
}
}
private void Command_ChangeColumns(object sliderValues)
{
Tuple <int, int> delta = (Tuple <int, int>)sliderValues;
TileViewModel newTile;
// Adding new items
if (delta.Item2 > delta.Item1)
{
for (int j = 0; j < (delta.Item2 - delta.Item1); j++)
{
int col_offset = delta.Item1 + j; // column to add the tile in
for (int i = Rows - 1; i >= 0; i--)
{
int starting_row = i * (col_offset);
newTile = new TileViewModel(map.Atlas, new Tile(0, 0));
Tiles.Insert(starting_row + col_offset, newTile);
}
}
}
// Removing old items
else if (delta.Item1 > delta.Item2)
{
// Iterate over rows starting at bottom
for (int y = Rows - 1; y >= 0; y--)
{
// Iterate over columns starting at right
for (int x = delta.Item1 - 1; x >= 0; x--)
{
int index = y * delta.Item1 + x;
// If the current item is one of the last tiles in the row, then we remove it
if (x >= delta.Item2)
{
map.Atlas.UnRegisterTile(Tiles[index]);
Tiles.RemoveAt(index);
}
}
}
}
}
public TilePickerViewModel(AtlasViewModel atlas, TileViewModel tile)
{
Atlas = atlas;
Tile = tile;
}
public void UnRegisterTile(TileViewModel tile)
{
registeredTiles.Remove(tile);
}
public void RegisterTile(TileViewModel tile)
{
registeredTiles.Add(tile);
}