public static void Merge <T>(ISparseGrid <T> src, ISparseGrid <T> dest, int sourceX, int sourceY, int destX, int destY, int width, int height)
{
if (width < 0 || height < 0)
{
throw new ArgumentException("copy area has negative dimensions");
}
if (sourceX < 0 || sourceY < 0 || sourceX + width > src.Width || sourceY + height > src.Height)
{
throw new ArgumentException("source area overlaps source bounds");
}
if (destX < 0 || destY < 0 || destX + width > dest.Width || destY + height > dest.Height)
{
throw new ArgumentException("destination area overlaps destination bounds");
}
foreach (var e in src.CoordinateEntries)
{
var sourceCoords = e.Key;
var value = e.Value;
if (sourceCoords.X < sourceX ||
sourceCoords.Y < sourceY ||
sourceCoords.X >= sourceX + width ||
sourceCoords.Y >= sourceY + height)
{
continue;
}
dest.Set(destX + (sourceCoords.X - sourceX), destY + (sourceCoords.Y - sourceY), value);
}
}
public static void Merge <T>(ISparseGrid <T> src, ISparseGrid <T> dest, int x, int y)
{
if (x < 0 || y < 0 || x + src.Width > dest.Width || y + src.Height > dest.Height)
{
throw new ArgumentException("part of the other grid falls outside boundaries");
}
foreach (var e in src.CoordinateEntries)
{
dest.Set(e.Key.X + x, e.Key.Y + y, e.Value);
}
}
public BindingSparseGrid(ISparseGrid <T> grid)
{
this.grid = grid;
}
public static T GetOrDefault <T>(this ISparseGrid <T> grid, GridPoint point, T defaultValue)
{
return(grid.ContainsPoint(point) ? grid.Get(point) : defaultValue);
}
