//设置怪物的路线
/* 将拐点添加到容器中
*/
private static void SetMonsterRoute()
{
byte currentDirection = GetNextGridDirection(StartGrid, MoveRoute.NONE), lastDirection = MoveRoute.NONE;
GPosition currentPosition = new GPosition(), lastPosition = new GPosition();
uint i = 0, max = (uint)(Map.Length * Map[0].Length);
uint index = 0;
for (currentPosition.CopyFrom(StartGrid), lastPosition.CopyFrom(StartGrid); i < max; i++)
{
//遇到拐点，则保存到容器中
if (currentDirection != lastDirection)
{
lastDirection = currentDirection;
MonsterRoute.Add(index++, new Position(lastPosition, UIFunction.GetPixelPosition(lastPosition), currentDirection));
}
//如果达到终点，则结束
if (currentPosition.Equals(EndGrid))
{
MonsterRoute.Add(index++, new Position(currentPosition, UIFunction.GetPixelPosition(currentPosition), currentDirection));
break;
}
lastPosition.CopyFrom(currentPosition); //将当前位置保存到上一个位置
//获取下一个位置的方向，并避免180度回头的情况
currentDirection = GetNextGridDirection(currentPosition, currentDirection);
switch (currentDirection)
{
case MoveRoute.UP: currentPosition.line -= 1; break;
case MoveRoute.DOWN: currentPosition.line += 1; break;
case MoveRoute.LEFT: currentPosition.column -= 1; break;
case MoveRoute.RIGHT: currentPosition.column += 1; break;
}
}
}
public void SetGridPosition(GPosition arg)
{
grid_pos.CopyFrom(arg);
}