public override Pos ExpectedEnemyMove(int momentIndex, IPlayer player)
{
IPlayer enemy = player == Controller.Player1 ? Controller.Player2 : Controller.Player1;
if (EnumerateDamageRange().Select(r => player.Gradiator.RelativePosToAbsolute(r)).Contains(enemy.Gradiator.Position))
{
RelativePos relative = new RelativePos(
enemy.Gradiator.Position.X - player.Gradiator.Position.X,
enemy.Gradiator.Position.Y - player.Gradiator.Position.Y
);
return(new Pos(enemy.Gradiator.Position.X + relative.X, enemy.Gradiator.Position.Y + relative.Y));
}
else
{
return(enemy.Gradiator.Position);
}
}
/// <summary>
///
/// |\
/// 对边(opposite) | \ 斜边(hypotenuse)
/// ______________|__\
/// 邻边(adjacent)
///
/// </summary>
private void DrawPolylineArrow(DrawingContext dc, Point startPoint, Point endPoint, RelativePos relativePos, FlowDirection flowDirection)
{
if (ArrowType == ArrowType.None)
return;
double oppositeLength = ArrowLength * Math.Sin(Math.PI * ArrowAngle / 180);
double adjacentLength = ArrowLength * Math.Cos(Math.PI * ArrowAngle / 180);
switch (relativePos)
{
case RelativePos.SameRow:
double endX = flowDirection == FlowDirection.Right ? endPoint.X - adjacentLength : endPoint.X + adjacentLength;
dc.DrawLine(pen, endPoint, new Point(endX, endPoint.Y - oppositeLength));
dc.DrawLine(pen, endPoint, new Point(endX, endPoint.Y + oppositeLength));
if (ArrowType == ArrowType.OneWay)
return;
double startX = flowDirection == FlowDirection.Right ? startPoint.X + adjacentLength : startPoint.X - adjacentLength;
dc.DrawLine(pen, startPoint, new Point(startX, startPoint.Y - oppositeLength));
dc.DrawLine(pen, startPoint, new Point(startX, startPoint.Y + oppositeLength));
break;
case RelativePos.SameColumn:
dc.DrawLine(pen, endPoint, new Point(endPoint.X + oppositeLength, endPoint.Y - adjacentLength));
dc.DrawLine(pen, endPoint, new Point(endPoint.X - oppositeLength, endPoint.Y - adjacentLength));
if (ArrowType == ArrowType.OneWay)
return;
dc.DrawLine(pen, startPoint, new Point(startPoint.X + oppositeLength, startPoint.Y + adjacentLength));
dc.DrawLine(pen, startPoint, new Point(startPoint.X - oppositeLength, startPoint.Y + adjacentLength));
break;
}
}
private void DrawPolyline(DrawingContext dc, Point startPoint, Point endPoint, RelativePos relativePos)
{
switch (relativePos)
{
case RelativePos.SameRow:
if (startPoint.Y == endPoint.Y)
dc.DrawLine(pen, startPoint, endPoint);
else
{
Point startPolyPoint = new Point((startPoint.X + endPoint.X) / 2, startPoint.Y);
Point endPolyPoint = new Point((startPoint.X + endPoint.X) / 2, endPoint.Y);
dc.DrawLine(pen, startPoint, startPolyPoint);
dc.DrawLine(pen, startPolyPoint, endPolyPoint);
dc.DrawLine(pen, endPolyPoint, endPoint);
}
break;
case RelativePos.SameColumn:
if (startPoint.X == endPoint.X)
dc.DrawLine(pen, startPoint, endPoint);
else
{
Point startPolyPoint = new Point(startPoint.X, (startPoint.Y + endPoint.Y) / 2);
Point endPolyPoint = new Point(endPoint.X, (startPoint.Y + endPoint.Y) / 2);
dc.DrawLine(pen, startPoint, startPolyPoint);
dc.DrawLine(pen, startPolyPoint, endPolyPoint);
dc.DrawLine(pen, endPolyPoint, endPoint);
}
break;
}
}
private void DrawingLine(DrawingContext dc, Point startPoint, Point endPoint, RelativePos relativePos, FlowDirection flowDirection)
{
if (LineShapeType == LineShapeType.Polyline)
{
DrawPolyline(dc, startPoint, endPoint, relativePos);
DrawPolylineArrow(dc, startPoint, endPoint, relativePos, flowDirection);
}
else
{
DrawStraightLine(dc, startPoint, endPoint);
DrawArrow(dc, startPoint, endPoint);
}
}
