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企业建站要多少钱,网站英文域名,使用wordpress搭建博客,中天建设网站本人嘴笨#xff0c;不会说。 该代码实现一个功能较为齐全的有限状态机#xff0c;可用于大部分的应用场景。 大致实现几个功能 状态更新状态转换状态消息处理全局状态转换和反转状态#xff08;转换为前一个状态#xff09; 代码分为 状态类状态管理类枚举#xff08;…本人嘴笨不会说。 该代码实现一个功能较为齐全的有限状态机可用于大部分的应用场景。 大致实现几个功能 状态更新状态转换状态消息处理全局状态转换和反转状态转换为前一个状态 代码分为 状态类状态管理类枚举状态枚举和消息枚举 简易通用框架代码 状态接口 using System;namespace FSM {public interface IStateBaseT, TState, TMessagewhere TState : Enumwhere TMessage : Enum{//确定该状态枚举public TState GetState();//进入状态void OnEnter(T owner);//更新状态void OnUpdate(T owner);//退出状态void OnExit(T owner);// 转换状态 (-1 为返回上一个状态0 为保持不变1 为转换为下一个状态)int OnTransfer(T owner, out TState newState);//消息接收void OnMessage(T owner, TMessage e);} }全局状态接口 using System;namespace FSM {public interface IGlobalStateT, TState, TMessage : IStateBaseT, TState, TMessagewhere TState : Enumwhere TMessage : Enum{//全局转换状态bool OnGlobalTransfer(T owner);} }状态管理类 using System; using System.Collections.Generic; using UnityEngine;namespace FSM {public class FsmMachineT, TState, TMessagewhere TState : Enumwhere TMessage : Enum{//状态类存储private DictionaryTState, IStateBaseT, TState, TMessage _states new DictionaryTState, IStateBaseT, TState, TMessage();//全局状态类存储private DictionaryTState, IGlobalStateT, TState, TMessage _globalStates new DictionaryTState, IGlobalStateT, TState, TMessage();//Fsm的使用对象private T _owner;//状态枚举private TState _stateID;//上一个状态private IStateBaseT, TState, TMessage _previousState;//状态类private IStateBaseT, TState, TMessage _state;//初始化public void Init(T owner, TState stateID){if (owner null)throw new NullReferenceException();if (!_states.ContainsKey(stateID))throw new AggregateException(stateID 不存在);_owner owner;_stateID stateID;_state _states[stateID];_state.OnEnter(_owner);}//注册状态类public void RegisterState(IStateBaseT, TState, TMessage state){if (_states null)_states new DictionaryTState, IStateBaseT, TState, TMessage();if (_states.ContainsKey(state.GetState()))Debug.Log(state.GetState() 已存在);_states.Add(state.GetState(), state);}//删除状态类public void RemoveState(TState stateID){if (_states null || !_states.ContainsKey(stateID))return;_states.Remove(stateID);}//注册全局状态类public void RegisterGlobalState(IGlobalStateT, TState, TMessage globalState){if (_globalStates null)_globalStates new DictionaryTState, IGlobalStateT, TState, TMessage();if (_globalStates.ContainsKey(globalState.GetState()))Debug.Log(globalState.GetState() 已存在);_globalStates.Add(globalState.GetState(), globalState);RegisterState(globalState);}//删除全局状态类public void RemoveGlobalState(TState stateID){if (_globalStates null || !_globalStates.ContainsKey(stateID))return;_globalStates.Remove(_stateID);RemoveState(stateID);}//更新状态public void Update(){if (_state null)return;//状态更新_state.OnUpdate(_owner);//全局状态转换foreach (var globalState in _globalStates.Values){if (globalState.OnGlobalTransfer(_owner)){ChangeState(globalState.GetState());return;}}//状态转换switch (_state.OnTransfer(_owner, out TState stateID)){case -1:RevertToPreviousState();break;case 0://不做任何事break;case 1:ChangeState(stateID);break;}}//状态反转返回上一个状态private void RevertToPreviousState(){ChangeState(_previousState.GetState());}//转换状态public void ChangeState(TState stateID){if (_states null || !_states.ContainsKey(stateID)) return;if (_stateID.Equals(stateID)) return;_state.OnExit(_owner);_stateID stateID;_previousState _state;_state _states[stateID];_state.OnEnter(_owner);}} }实现代码 敌人枚举部分 public enum EnemyState {None,//闲置Idle,//追逐Chase, }public enum EnemyMessage {None,//消息Log, }敌人状态基类 using FSM;namespace Enemy {public abstract class EnemyStateBase : IGlobalStateEnemyEntity, EnemyState, EnemyMessage{public abstract EnemyState GetState();public abstract void OnEnter(EnemyEntity owner);public abstract void OnUpdate(EnemyEntity owner);public abstract void OnExit(EnemyEntity owner);public abstract int OnTransfer(EnemyEntity owner, out EnemyState newState);public virtual bool OnGlobalTransfer(EnemyEntity owner) false;public void OnMessage(EnemyEntity owner, EnemyMessage e){//可以通过虚方法的方式让子类继承实现对应消息的方法if (e EnemyMessage.Log)OnLog();}protected virtual void OnLog() { }} }实现了两个状态 Idle 和 Chase using UnityEngine;namespace Enemy.State {public class EnemyIdleState : EnemyStateBase{public override EnemyState GetState() EnemyState.Idle;public override void OnEnter(EnemyEntity owner){owner.SetVelocity(Vector3.zero);}public override void OnUpdate(EnemyEntity owner) { }public override void OnExit(EnemyEntity owner) { }public override int OnTransfer(EnemyEntity owner, out EnemyState newState){if (Vector3.SqrMagnitude(owner.target.transform.position - owner.transform.position) owner.chaseRange * owner.chaseRange){newState EnemyState.Chase;return 1;}newState GetState();return 0;}} }using UnityEngine;namespace Enemy.State {public class EnemyChaseState : EnemyStateBase{public override EnemyState GetState() EnemyState.Chase;public override void OnEnter(EnemyEntity owner) { }public override void OnUpdate(EnemyEntity owner){Vector3 v owner.target.transform.position - owner.transform.position;//靠太近就挺下来但状态还是追逐if (Vector3.SqrMagnitude(v) 1)owner.SetVelocity(Vector3.zero);elseowner.SetVelocity(v.normalized * owner.speed);}public override void OnExit(EnemyEntity owner) { }public override int OnTransfer(EnemyEntity owner, out EnemyState newState){if (Vector3.SqrMagnitude(owner.target.transform.position - owner.transform.position) owner.escapeRange * owner.escapeRange){newState EnemyState.Idle;return 1;}newState GetState();return 0;}} }敌人部分 using Enemy; using Enemy.State; using FSM; using UnityEngine;public class EnemyEntity : MonoBehaviour {//移动速度public float speed 2f;//追逐范围public float chaseRange 5f;//逃脱范围public float escapeRange 8f;//追逐目标public GameObject target;private Rigidbody _rigidbody;private FsmMachineEnemyEntity, EnemyState, EnemyMessage _machine;public void SetVelocity(Vector3 v3) _rigidbody.velocity v3;private void Awake(){ _rigidbody GetComponentRigidbody();//创建Fsm并添加状态_machine new FsmMachineEnemyEntity, EnemyState, EnemyMessage();_machine.RegisterState(new EnemyIdleState());_machine.RegisterState(new EnemyChaseState());_machine.Init(this, EnemyState.Idle);}private void Update(){_machine.Update();} }玩家部分 using System; using UnityEngine;public class PlayerEntity : MonoBehaviour {public float speed 4f;private void Update(){float hor Input.GetAxis(Horizontal);float ver Input.GetAxis(Vertical);Vector3 v new Vector3(hor, 0, ver).normalized;transform.position (speed * Time.deltaTime) * v;} } 敌人主要实现追逐和闲置两个状态玩家靠近就追逐远离就闲置。 画面就不展示了可以复制代码自己尝试