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Assets/00.StaryEvo/Runtime/Tool/FSM/FSMISystem.cs

@@ -0,0 +1,136 @@
+using System.Collections.Generic;
+using Cysharp.Threading.Tasks;
+using UnityEngine;
+
+namespace Stary.Evo
+{
+    public interface IFsmSystem
+    {
+        FSMIState CurState { get; set; }
+        void AddState(FSMIState state);
+        void RemoveState(FSMIState state);
+        void SetCurState(string name);
+
+        void SetCurState(string name, object param);
+        void SetCurState<T>(string name, T param);
+        void SetCurState<T1, T2>(string name, T1 param1, T2 param2);
+        FSMIState GetStateWithName(string name);
+        HashMap<string, FSMIState> States { get; set; }
+    }
+
+    public class FsmSystem : IFsmSystem
+    {
+        public FSMIState CurState { get; set; }
+        public HashMap<string, FSMIState> States { get; set; }
+
+        public FsmSystem()
+        {
+            States = new HashMap<string, FSMIState>();
+            AddState(new DefaultState(this));
+        }
+
+        public void AddState(FSMIState state)
+        {
+            Debug.Log(state.Name);
+            if (!States.ContainsKey(state.Name))
+            {
+                States.Add(state.Name, state);
+            }
+            else
+            {
+                Debug.LogErrorFormat("States状态机容器里已存在名字为--【{0}】--的状态", state.Name.ToString());
+            }
+        }
+
+        public void RemoveState(FSMIState state)
+        {
+            if (States.ContainsKey(state.Name))
+            {
+                States.Remove(state.Name);
+            }
+            else
+            {
+                Debug.LogErrorFormat("States状态机容器里不存在名字为--【{0}】--的状态", state.Name.ToString());
+            }
+        }
+
+        /// <summary>
+        /// 普通状态切换，适用于无参
+        /// </summary>
+        /// <param name="name"></param>
+        public async void SetCurState(string name)
+        {
+            if (CurState != null)
+                CurState.OnExit();
+            FSMIState state = GetStateWithName(name);
+            CurState = state;
+            CurState.OnEnter();
+        }
+
+        /// <summary>
+        /// 异步状态切换，适用于有参
+        /// </summary>
+        /// <param name="name"></param>
+        /// <param name="param"></param>
+        /// <typeparam name="T"></typeparam>
+        public async void SetCurState(string name, object param)
+        {
+            if (CurState != null)
+            {
+                CurState.OnExit();
+            }
+
+            FSMIState state = GetStateWithName(name);
+            CurState = state;
+            CurState.OnEnter(param);
+        }
+
+        /// <summary>
+        /// 异步状态切换，适用于有参
+        /// </summary>
+        /// <param name="name"></param>
+        /// <param name="param"></param>
+        /// <typeparam name="T"></typeparam>
+        public async void SetCurState<T>(string name, T param)
+        {
+            if (CurState != null)
+            {
+                CurState.OnExit();
+            }
+
+            FSMIState state = GetStateWithName(name);
+            CurState = state;
+            CurState.OnEnter<T>(param);
+        }
+
+        /// <summary>
+        /// 异步状态切换，适用于有参
+        /// </summary>
+        /// <param name="name"></param>
+        /// <param name="param1"></param>
+        /// <param name="param2"></param>
+        /// <typeparam name="T1"></typeparam>
+        /// <typeparam name="T2"></typeparam>
+        public async void SetCurState<T1, T2>(string name, T1 param1, T2 param2)
+        {
+            if (CurState != null)
+            {
+                CurState.OnExit();
+            }
+
+            FSMIState state = GetStateWithName(name);
+            CurState = state;
+            CurState.OnEnter(param1, param2);
+        }
+
+        public FSMIState GetStateWithName(string name)
+        {
+            if (States.ContainsKey(name))
+            {
+                return States[name];
+            }
+
+            return null;
+        }
+    }
+}