private void Clip(NavigationPolygon floor, NavigationPolygons staticObjects)
{
Clipper clipper = new Clipper();
if (!clipper.AddPath(floor, PolyType.ptSubject, true))
{
throw new Exception("Can't add Paths (Subject).");
}
if (staticObjects.Count > 0 && !clipper.AddPaths(staticObjects, PolyType.ptClip, true))
{
throw new Exception("Can't add Paths (Clip).");
}
// we do it twice (it's easier than deep copy the polygons), since this is loading screen time... We don't mind performance too much here
if (!clipper.Execute(ClipType.ctDifference, floorWithStaticObjects, PolyFillType.pftNonZero))
{
throw new Exception("Can't clip floorWithStaticObjects.");
}
if (!clipper.Execute(ClipType.ctDifference, FloorWithDynamicObjects, PolyFillType.pftNonZero))
{
throw new Exception("Can't clip floorWithStaticObjects.");
}
clipper.Reset();
}
public Map(NavigationPolygon floor, NavigationPolygons staticObjects)
{
this.floor = floor;
this.staticObjects = staticObjects;
Initialize();
}
public NavigationPolygon BoundingBox()
{
var result = new NavigationPolygon(4);
result.Add(new DeterministicVector2(A.X, A.Y));
result.Add(new DeterministicVector2(B.X, A.Y));
result.Add(new DeterministicVector2(B.X, B.Y));
result.Add(new DeterministicVector2(A.X, B.Y));
return(result);
}
public NavigationPolygon DeepCopy()
{
NavigationPolygon copy = new NavigationPolygon(this.Count);
for (var i = 0; i < this.Count; i++)
{
copy.Add(this[i].DeepCopy());
}
return(copy);
}
public void Initialize(NavigationPolygon floor)
{
Bounding = floor.GetBounding();
Cells.Clear();
for (DeterministicFloat y = Bounding.A.Y; y < Bounding.B.Y; y++)
{
for (DeterministicFloat x = Bounding.A.X; x < Bounding.B.X; x++)
{
Cells.Add(new GridCell(x, y)
{
Type = GridCellType.Free
});
}
}
}
