/// <summary>
/// Sets the value of a group of tiles.
/// </summary>
/// <param name="startX">Left-most position of the tiles to be changed.</param>
/// <param name="startY">Top-most position of the tiles to be changed.</param>
/// <param name="tileBuffer">The tile buffer.</param>
public void SetTiles(int startX, int startY, IMapBuffer tileBuffer)
{
bool dataChanged = false;
int yLimit = Math.Min(tileBuffer.Height, TrackMap.Size - startY);
int xLimit = Math.Min(tileBuffer.Width, TrackMap.Size - startX);
for (int y = 0; y < yLimit; y++)
{
int positionY = startY + y;
for (int x = 0; x < xLimit; x++)
{
int positionX = startX + x;
if (this.SetTileInternal(positionX, positionY, tileBuffer[x, y]))
{
dataChanged = true;
}
}
}
if (dataChanged)
{
this.OnDataChanged();
}
}
public TileChange(int x, int y, int width, int height, IMapBuffer buffer)
{
this.X = x;
this.Y = y;
this.data = new byte[height][];
for (int yIter = 0; yIter < height; yIter++)
{
this.data[yIter] = new byte[width];
for (int xIter = 0; xIter < width; xIter++)
{
this.data[yIter][xIter] = buffer[x + xIter, y + yIter];
}
}
}
/// <summary>
/// Consolidates all changes into a single one.
/// </summary>
/// <param name="changes">The tile changes.</param>
/// <param name="buffer">The map buffer the changes are applied on.</param>
public TileChange(IEnumerable <TileChange> changes, IMapBuffer buffer)
{
int xStart = buffer.Width;
int yStart = buffer.Height;
int xEnd = 0;
int yEnd = 0;
foreach (TileChange change in changes)
{
xStart = Math.Min(xStart, change.X);
xEnd = Math.Max(xEnd, change.X + change.Width);
yStart = Math.Min(yStart, change.Y);
yEnd = Math.Max(yEnd, change.Y + change.Height);
}
int width = xEnd - xStart;
int height = yEnd - yStart;
byte[][] data = new byte[height][];
for (int y = 0; y < height; y++)
{
data[y] = new byte[width];
for (int x = 0; x < width; x++)
{
data[y][x] = buffer[xStart + x, yStart + y];
}
}
foreach (TileChange change in changes)
{
int offsetY = change.Y - yStart;
int offsetX = change.X - xStart;
for (int y = 0; y < change.Height; y++)
{
for (int x = 0; x < change.Width; x++)
{
data[offsetY + y][offsetX + x] = change[x, y];
}
}
}
this.X = xStart;
this.Y = yStart;
this.data = data;
}
/// <summary>
/// Sets the value of a group of tiles.
/// </summary>
/// <param name="startingPosition">Top-left position of tiles to be changed.</param>
/// <param name="tileBuffer">The tile buffer.</param>
public void SetTiles(Point startingPosition, IMapBuffer tileBuffer)
{
this.SetTiles(startingPosition.X, startingPosition.Y, tileBuffer);
}
