280 lines
8.9 KiB
C#
280 lines
8.9 KiB
C#
using Data;
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using Managers;
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using UnityEngine;
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namespace AI
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{
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public abstract class JobBase
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{
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public Entity.Entity entity;
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protected int timeoutTicks = 300;
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public bool Running => timeoutTicks > 0;
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protected abstract void UpdateJob();
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public virtual void StartJob(Entity.Entity target)
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{
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entity = target;
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}
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public bool Update()
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{
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if (!Running)
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return false;
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UpdateJob();
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timeoutTicks--;
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return true;
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}
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public virtual void StopJob()
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{
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timeoutTicks = 0;
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}
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}
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public class WanderJob : JobBase
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{
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public override void StartJob(Entity.Entity target)
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{
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base.StartJob(target);
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Vector3 move = new(Random.Range(-10, 10), Random.Range(-10, 10));
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var targetPosition = entity.transform.position + move;
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entity.SetTarget(targetPosition);
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entity.IsChase = false;
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}
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protected override void UpdateJob()
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{
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entity.TryMove();
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}
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override public void StopJob()
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{
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base.StopJob();
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entity.IsChase = true;
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}
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}
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public class IdleJob : JobBase
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{
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override public void StartJob(Entity.Entity target)
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{
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base.StartJob(target);
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timeoutTicks = 500;
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}
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protected override void UpdateJob()
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{
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}
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}
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public class MoveJob : JobBase
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{
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protected override void UpdateJob()
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{
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entity.TryMove();
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}
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}
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public class AttackJob : JobBase
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{
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private Entity.Entity attackTarget;
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// StartJob 方法：用于初始化任务，寻找初始攻击目标
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override public void StartJob(Entity.Entity performerEntityContext) // 参数名更明确，通常是发起任务的实体
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{
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base.StartJob(performerEntityContext);
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// 1. 任务执行者自身有效性检查
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if (entity == null)
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{
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StopJob(); // 调用StopJob来结束任务
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return;
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}
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attackTarget = FindNewHostileTarget();
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if (attackTarget == null)
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{
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StopJob(); // 调用StopJob来结束任务
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}
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}
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protected override void UpdateJob()
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{
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// 1. 任务执行者的基本检查
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if (entity == null || entity.IsDead)
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{
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StopJob();
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return;
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}
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if (attackTarget == null || attackTarget.IsDead)
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{
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attackTarget = FindNewHostileTarget(); // 尝试寻找新的攻击目标
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if (attackTarget == null)
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{
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StopJob();
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return;
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}
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}
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var weapon = entity.GetCurrentWeapon();
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var attackRange = 0f;
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if (weapon != null)
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{
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attackRange = weapon.Attributes.attackRange;
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}
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var distanceSq = (entity.Position - attackTarget.Position).sqrMagnitude;
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var effectiveAttackRangeSq = attackRange * attackRange; // 将攻击范围也平方
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entity.SetTarget(attackTarget.Position);
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if (weapon != null && distanceSq <= effectiveAttackRangeSq)
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{
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entity.TryAttack();
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}
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else
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{
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entity.TryMove();
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}
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}
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/// <summary>
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/// 查找执行实体最近的敌对目标。
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/// </summary>
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/// <returns>找到的敌对实体，如果没有则返回null。</returns>
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private Entity.Entity FindNewHostileTarget()
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{
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if (!entity) return null;
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return EntityManage.Instance.FindNearestEntityByRelation(
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entity.currentDimensionId, // 搜索维度ID
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entity.entityPrefab, // 执行实体的Prefab ID，用于关系判断
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Relation.Hostile)?.entity; // 寻找敌对关系的目标
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}
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}
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public class AdvancedAttackJob : JobBase
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{
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private Entity.Entity attackTarget;
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// 常量：用于配置远程AI行为的风筝参数
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private const float KITING_THRESHOLD_MULTIPLIER = 0.5f; // 当目标距离小于 (攻击范围 * 此乘数) 时，远程单位开始尝试远离
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private const float KITING_BUFFER_DISTANCE = 5.0f; // 当远程单位远离时，目标点会是当前位置向反方向偏移此距离
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// StartJob 方法：用于初始化任务，寻找初始攻击目标
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override public void StartJob(Entity.Entity performerEntityContext)
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{
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base.StartJob(performerEntityContext);
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if (entity == null)
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{
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StopJob();
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return;
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}
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attackTarget = FindNewHostileTarget();
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if (attackTarget == null)
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{
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StopJob();
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}
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}
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protected override void UpdateJob()
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{
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// 1. 任务执行者的基本检查
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if (entity == null || entity.IsDead)
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{
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StopJob();
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return;
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}
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// 2. 攻击目标检查
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if (attackTarget == null || attackTarget.IsDead)
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{
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attackTarget = FindNewHostileTarget(); // 尝试寻找新的攻击目标
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if (attackTarget == null)
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{
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StopJob();
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return;
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}
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}
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// 获取武器和其属性
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var weapon = entity.GetCurrentWeapon();
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var attackRange = 0f;
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var isRangedWeapon = false; // 标识是否为远程武器
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if (weapon != null)
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{
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if (weapon.Attributes != null)
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{
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attackRange = weapon.Attributes.attackRange;
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}
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// 使用 WeaponType 来判断武器类型，更明确
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isRangedWeapon = weapon.Type == WeaponType.Ranged;
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}
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var distanceSq = (entity.Position - attackTarget.Position).sqrMagnitude;
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var effectiveAttackRangeSq = attackRange * attackRange; // 将攻击范围平方
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// ---- 核心AI行为决策 ( AdvancedAttackJob 的智能之处) ----
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if (isRangedWeapon)
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{
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// 远程单位的风筝（Kiting）逻辑
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var kitingDistance = attackRange * KITING_THRESHOLD_MULTIPLIER;
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var kitingThresholdSq = kitingDistance * kitingDistance; // 过近距离的平方
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// 1. 如果目标过于接近 (小于风筝阈值)，尝试远离
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if (distanceSq < kitingThresholdSq)
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{
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// 计算一个远离目标的点作为移动目标
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var directionAway = (entity.Position - attackTarget.Position).normalized;
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var fleePosition = entity.Position + directionAway * KITING_BUFFER_DISTANCE;
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entity.SetTarget(fleePosition); // 设置远离点为新的移动目标
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entity.TryMove(); // 优先执行移动操作以拉开距离
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// 在此状态下不进行攻击，专注于 reposition
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}
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// 2. 如果目标在最佳攻击范围内 (即在风筝阈值和有效攻击范围之间)，则停止移动并攻击
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else if (distanceSq <= effectiveAttackRangeSq)
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{
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entity.SetTarget(entity.Position); // 设定目标为当前位置，使其停止移动，专注于攻击
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entity.TryAttack();
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}
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// 3. 如果目标太远 (超出有效攻击范围)，则移动靠近目标
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else
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{
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entity.SetTarget(attackTarget.Position); // 设置目标位置为移动目标
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entity.TryMove();
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}
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}
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else // 近战单位或没有武器的单位
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{
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entity.SetTarget(attackTarget.Position);
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if (weapon != null && distanceSq <= effectiveAttackRangeSq)
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{
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entity.TryAttack();
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}
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else
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{
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entity.TryMove();
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}
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}
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}
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/// <summary>
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/// 查找执行实体最近的敌对目标。
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/// </summary>
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/// <returns>找到的敌对实体，如果没有则返回null。</returns>
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private Entity.Entity FindNewHostileTarget()
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{
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if (!entity) return null;
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return EntityManage.Instance.FindNearestEntityByRelation(
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entity.currentDimensionId,
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entity.entityPrefab,
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Relation.Hostile)?.entity;
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}
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}
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} |