122 lines
4.5 KiB
C#
122 lines
4.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using UnityEngine;
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namespace ET
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{
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public static class MoveHelper
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{
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public const float AtkDis = 2.7f * 2.7f;
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public static ETTask<bool> MoveTo(Unit unit, Vector2 target, ETCancellationToken token = null)
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{
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UnitScene unitScene = unit.GetComponent<UnitScene>();
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Vector2 pos = unitScene.Position;
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int yAngle = pos.x <= target.x? 0 : 180;
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return MoveTo(unit, target, yAngle);
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}
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public static async ETTask<bool> MoveTo(Unit unit, Vector2 target, int yAngle, ETCancellationToken token = null)
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{
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try
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{
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UnitScene unitScene = unit.GetComponent<UnitScene>();
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unitScene.targetPos = target;
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unitScene.isMoved = true;
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bool ret = await FindPathMoveToAsync(unit, target, token);
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unitScene.YAngle = yAngle;
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unitScene.isMoved = false;
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return ret;
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}
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catch (Exception e)
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{
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Log.Error(e);
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}
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return false;
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}
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// 可以多次调用，多次调用的话会取消上一次的协程
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private static async ETTask<bool> FindPathMoveToAsync(this Unit unit, Vector3 target, ETCancellationToken cancellationToken = null)
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{
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float speed = ConstDefine.MoveSpeed;
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using ListComponent<Vector3> list = ListComponent<Vector3>.Create();
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UnitScene unitScene = unit.GetComponent<UnitScene>();
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list.List.Add(unitScene.Position);
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list.List.Add(target);
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// 广播寻路路径
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M2C_PathfindingResult m2CPathfindingResult = new M2C_PathfindingResult
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{
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Id = unit.Id,
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X = unitScene.X,
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Y = unitScene.Y,
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TX = target.x,
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TY = target.y,
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MoveSpeed = ConstDefine.MoveSpeed
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};
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BrocastComponent brocast = unit.GetComponent<BrocastComponent>();
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brocast.Brocast(m2CPathfindingResult);
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bool ret = await unit.GetComponent<MoveComponent>().MoveToAsync(list.List, speed, cancellationToken);
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if (ret) // 如果返回false，说明被其它移动取消了，这时候不需要通知客户端stop
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{
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SendStop(unit, 0);
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}
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return ret;
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}
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public static void Stop(this Unit unit)
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{
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unit.GetComponent<MoveComponent>().Stop();
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SendStop(unit, 0);
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}
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private static void SendStop(Unit unit, int error)
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{
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if (!unit.IsTeamLeader) return;
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UnitScene unitScene = unit.GetComponent<UnitScene>();
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BrocastComponent brocast = unit.GetComponent<BrocastComponent>();
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brocast.Brocast(new M2C_Stop()
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{
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Error = error,
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Id = unit.Id,
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X = unitScene.X,
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Y = unitScene.Y,
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YAngle = unitScene.YAngle
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});
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}
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public static async ETVoid TeamMoveTo(Team team, Vector2 target)
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{
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var list = team.GetUnits();
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for (var curr = list.First; curr != null; curr = curr.Next)
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{
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Unit item = curr.Value;
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long unitInstanceId = item.InstanceId;
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await TimerComponent.Instance.WaitAsync(300);
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if (!item)
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continue;
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if (unitInstanceId != item.InstanceId) continue;
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UnitScene unitScene = item.GetComponent<UnitScene>();
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Vector2 delta = MoveHelper.CalucateDistanceXandY(unitScene.Position, target);
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int index = team.GetIndex(item.Id);
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Vector2 targetPos = new(target.x - delta.x * index, target.y - delta.y * index);
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MoveHelper.MoveTo(item, targetPos).Coroutine(); // 移动到目标点, 返回false表示协程取消
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}
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}
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public static Vector2 CalucateDistanceXandY(Vector2 posA, Vector2 posB)
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{
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const float TeamDistanceBetweenUnits = 0.8f;
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float dx = posB.x - posA.x;
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int positive = dx >= 0? 1 : -1;
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float gradient = (posB.y - posA.y) / dx;
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return new Vector2(positive * TeamDistanceBetweenUnits / Mathf.Sqrt(1 + gradient * gradient)
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, positive * gradient * TeamDistanceBetweenUnits / Mathf.Sqrt(1 + gradient * gradient));
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}
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}
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} |