public ViewportCoordinates Transform(ViewportCoordinates position)
{
var x = position.X * M11 + position.Y * M12 + M13;
var y = position.X * M21 + position.Y * M22 + M23;
return(new ViewportCoordinates((int)Math.Round(x), (int)Math.Round(y)));
}
public static ViewportCoordinates[] OffsetsFor(RenderType t)
{
var p = new ViewportCoordinates[6];
p[(int)SpritePosition.Whole] = OffsetFor(SpritePosition.Whole, t);
p[(int)SpritePosition.Up] = OffsetFor(SpritePosition.Up, t);
p[(int)SpritePosition.Right] = OffsetFor(SpritePosition.Right, t);
p[(int)SpritePosition.Down] = OffsetFor(SpritePosition.Down, t);
p[(int)SpritePosition.Left] = OffsetFor(SpritePosition.Left, t);
p[(int)SpritePosition.CellMap] = OffsetFor(SpritePosition.CellMap, t);
return(p);
}
public MapCoordinate ScreenPositionToMapCoordinate(ViewportCoordinates screenPosition)
{
return(config.Viewport.ScreenPositionToMapCoordinate(screenPosition));
}
public static void OffsetFor(this SpritePosition p, RenderType t, out ViewportCoordinates result)
{
if (t.IsIsometric())
{
switch (p)
{
case SpritePosition.CellMap:
result = new ViewportCoordinates(0, 2);
break;
case SpritePosition.Whole:
result = new ViewportCoordinates(0, 0);
break;
case SpritePosition.Up:
result = new ViewportCoordinates(0, -1);
break;
case SpritePosition.Right:
result = new ViewportCoordinates(1, 0);
break;
case SpritePosition.Down:
result = new ViewportCoordinates(0, 1);
break;
case SpritePosition.Left:
result = new ViewportCoordinates(-1, 0);
break;
default:
result = new ViewportCoordinates(0, 0);
break;
}
}
else
{
switch (p)
{
case SpritePosition.CellMap:
result = new ViewportCoordinates(2, -2);
break;
case SpritePosition.Whole:
result = new ViewportCoordinates(0, 0);
break;
case SpritePosition.Up:
result = new ViewportCoordinates(-1, -1);
break;
case SpritePosition.Right:
result = new ViewportCoordinates(1, -1);
break;
case SpritePosition.Down:
result = new ViewportCoordinates(1, 1);
break;
case SpritePosition.Left:
result = new ViewportCoordinates(-1, 1);
break;
default:
result = new ViewportCoordinates(0, 0);
break;
}
}
}