123 lines
4.4 KiB
C#
123 lines
4.4 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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private const float TeamDistanceBetweenUnits = 0.8f;
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public static void MoveTo(Unit unit, Vector2 target){
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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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MoveTo(unit,target,yAngle).Coroutine();
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}
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public static async ETVoid MoveTo(Unit unit, Vector2 target, int yAngle)
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{
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try
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{
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Team team = TeamComponent.Instance.Get(unit.TeamLeaderId);
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if (team == null)
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{
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Log.Error($"team id = {unit.TeamLeaderId} is null when MoveTo({target})");
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return;
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}
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int index = 0;
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foreach (var u in team.GetUnits())
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{
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if (u.IsTransfer) continue;
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if (u.IsTeamLeader)
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{
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FindPathMoveToAsync(u, target).Coroutine();
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u.GetComponent<UnitScene>().YAngle = yAngle;
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}
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else
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{
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await TimerComponent.Instance.WaitAsync(300);
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UnitScene unitScene = u.GetComponent<UnitScene>();
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Vector2 delta = CalucateDistanceXandY(unitScene.Position, target);
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Vector2 targetPos = new Vector2(target.x - delta.x * ++index, target.y - delta.y * index);
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FindPathMoveToAsync(u, targetPos).Coroutine();
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unitScene.YAngle = yAngle;
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}
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}
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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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}
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private static Vector2 CalucateDistanceXandY(Vector2 posA, Vector2 posB)
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{
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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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// 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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public static async ETTask 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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if (speed < 0.001)
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{
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SendStop(unit,-1);
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return;
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}
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using var 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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var 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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}
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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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var 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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}
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}
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