机器人的异步代码同步实现

public async Task MoveToAsync(float destX, float destY)
{
var x = PlayerEntity.GetProp<float>(CsPropDef.X);
var y = PlayerEntity.GetProp<float>(CsPropDef.Y);
var src = new Vector2(x, y);
var dest = new Vector2(destX, destY);

var seeks = PathSeeker.GetInstance(SelectedRole.curScence.ToString()).Seek(src, dest);
if (seeks == null)
return;
var pathQueue = new Queue<Vector2>(seeks);

while (pathQueue.Count != 0)
{
dest = pathQueue.Dequeue();
await MoveToAsync(src, dest);
src = dest;
}
}

private async Task MoveToAsync(Vector2 src, Vector2 dest)
{
MoveTo(src.X, src.Y, dest.X, dest.Y);

var distance = Vector2.Distance(src, dest);
var time = (int)(distance * 1.01f / PlayerEntity.GetProp<float>(CsPropDef.RunSpeed));

await TaskEx.Delay(time + 1);

PlayerEntity.props[CsPropDef.X] = dest.X;
PlayerEntity.props[CsPropDef.Y] = dest.Y;
}

/// <summary>
/// 移动到NPC
/// </summary>
/// <param name="npcId"></param>
/// <returns></returns>
public async Task<ObjId> MoveToNpc(int npcId)
{
var pos = GetNpcPos(npcId);
await MoveToAsync(pos.X, pos.Y);
var obj = GetObjByIdFromScene(npcId);
return obj;
}

/// <summary>
/// 移动到怪物并攻击
/// </summary>
/// <param name="monsterId"> </param>
/// <returns></returns>
public async Task MoveToMonsterAtt(int monsterId)
{
var pos = GetNpcPos(monsterId);
await MoveToAsync(pos.X, pos.Y);
var obj = GetObjByIdFromScene(monsterId);
SelectTarget(obj);

Castskill(GetDefaultSkill());
//比对杀怪数量
await MonsterDead();
await MonsterAttWrong();
}

/// <summary>
/// 打怪失败返回消息
/// </summary>
/// <returns>2-距离超出、4-CD中、其他-重新选择目标（目标无敌或者目标无效）</returns>
private async Task<int> MonsterAttWrong()
{
var tcs = new TaskCompletionSource<VarList>();
EventHandler<DataEventArgs<VarList>> d = (s, e) => tcs.TrySetResult(e.Arg1);
OnMonsterCannotAttack += d;
var acc = await tcs.Task;
OnMonsterCannotAttack -= d;
return acc.Int32(1);
}

/// <summary>
/// 杀怪完成
/// </summary>
/// <returns></returns>
public async Task MonsterDead()
{
var tcs = new TaskCompletionSource<object>();
EventHandler d = (s, e) => tcs.TrySetResult(s);
OnMonsterDead += d;
var acc = await tcs.Task;
OnMonsterDead -= d;
}