public MovePart(MoveUnderground move, WPos from, WPos to, int fromFacing, int toFacing, int startingFraction)
{
Move = move;
From = from;
To = to;
FromFacing = fromFacing;
ToFacing = toFacing;
moveFraction = startingFraction;
MoveFractionTotal = (to - from).Length;
IsInterruptible = false; // See comments in Move.Cancel()
// Calculate an elliptical arc that joins from and to
var delta = Util.NormalizeFacing(fromFacing - toFacing);
if (delta != 0 && delta != 128)
{
// The center of rotation is where the normal vectors cross
var u = new WVec(1024, 0, 0).Rotate(WRot.FromFacing(fromFacing));
var v = new WVec(1024, 0, 0).Rotate(WRot.FromFacing(toFacing));
var w = from - to;
var s = (v.Y * w.X - v.X * w.Y) * 1024 / (v.X * u.Y - v.Y * u.X);
var x = from.X + s * u.X / 1024;
var y = from.Y + s * u.Y / 1024;
ArcCenter = new WPos(x, y, 0);
ArcFromLength = (ArcCenter - from).HorizontalLength;
ArcFromAngle = (ArcCenter - from).Yaw;
ArcToLength = (ArcCenter - to).HorizontalLength;
ArcToAngle = (ArcCenter - to).Yaw;
EnableArc = true;
}
}
protected override MovePart OnComplete(Actor self, MobileUnderground mobile, MoveUnderground parent)
{
mobile.SetPosition(self, mobile.ToCell);
return(null);
}
public MoveSecondHalf(MoveUnderground move, WPos from, WPos to, int fromFacing, int toFacing, int startingFraction)
: base(move, from, to, fromFacing, toFacing, startingFraction)
{
}
protected override MovePart OnComplete(Actor self, MobileUnderground mobile, MoveUnderground parent)
{
var map = self.World.Map;
var fromSubcellOffset = map.Grid.OffsetOfSubCell(mobile.FromSubCell);
var toSubcellOffset = map.Grid.OffsetOfSubCell(mobile.ToSubCell);
if (!IsCanceled || self.Location.Layer == CustomMovementLayerType.Tunnel)
{
var nextCell = parent.PopPath(self);
if (nextCell != null)
{
if (IsTurn(mobile, nextCell.Value.First))
{
var nextSubcellOffset = map.Grid.OffsetOfSubCell(nextCell.Value.Second);
var ret = new MoveFirstHalf(
Move,
Util.BetweenCells(self.World, mobile.FromCell, mobile.ToCell) + (fromSubcellOffset + toSubcellOffset) / 2,
Util.BetweenCells(self.World, mobile.ToCell, nextCell.Value.First) + (toSubcellOffset + nextSubcellOffset) / 2,
mobile.Facing,
Util.GetNearestFacing(mobile.Facing, map.FacingBetween(mobile.ToCell, nextCell.Value.First, mobile.Facing)),
moveFraction - MoveFractionTotal);
mobile.FinishedMoving(self);
mobile.SetLocation(mobile.ToCell, mobile.ToSubCell, nextCell.Value.First, nextCell.Value.Second);
return(ret);
}
parent.path.Add(nextCell.Value.First);
}
}
var toPos = mobile.ToCell.Layer == 0 ? map.CenterOfCell(mobile.ToCell) :
self.World.GetCustomMovementLayers()[mobile.ToCell.Layer].CenterOfCell(mobile.ToCell);
var ret2 = new MoveSecondHalf(
Move,
Util.BetweenCells(self.World, mobile.FromCell, mobile.ToCell) + (fromSubcellOffset + toSubcellOffset) / 2,
toPos + toSubcellOffset,
mobile.Facing,
mobile.Facing,
moveFraction - MoveFractionTotal);
mobile.EnteringCell(self);
mobile.SetLocation(mobile.ToCell, mobile.ToSubCell, mobile.ToCell, mobile.ToSubCell);
return(ret2);
}
protected abstract MovePart OnComplete(Actor self, MobileUnderground mobile, MoveUnderground parent);