add project files

Assets/Scripts/Toolkit/OHM/UnityToolkit/FSM/FiniteStateMachine.cs

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+using UnityEngine;
+
+namespace OHM.UnityToolkit.FSM
+{
+	public class FiniteStateMachine<StateType> where StateType : StateBase<StateType>
+	{
+		private float _currentStateStartTime;
+
+		public StateType CurrentState { get; private set; }
+
+		public void SetState(StateType state)
+		{
+			if (state == null)
+			{
+				return;
+			}
+			if (CurrentState != null)
+			{
+				CurrentState.Leave();
+			}
+			_currentStateStartTime = Time.time;
+			CurrentState = state;
+			state.Enter();
+		}
+
+		public void Update()
+		{
+			if (CurrentState == null)
+			{
+				return;
+			}
+			CurrentState.Update();
+			if (CurrentState == null || CurrentState.NextState == null)
+			{
+				return;
+			}
+			if (Time.time - _currentStateStartTime >= CurrentState.MaxDuration)
+			{
+				SetState(CurrentState.NextState as StateType);
+			}
+		}
+
+		public float GetCurrentStateDuration()
+		{
+			return Time.time - _currentStateStartTime;
+		}
+	}
+}

Assets/Scripts/Toolkit/OHM/UnityToolkit/FSM/FiniteStateMachine.cs.meta

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Assets/Scripts/Toolkit/OHM/UnityToolkit/FSM/StateBase.cs

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+using System;
+
+namespace OHM.UnityToolkit.FSM
+{
+	public class StateBase<T> where T : StateBase<T>
+	{
+		public Action startAction;
+
+		public Action updateAction;
+
+		public Action leaveAction;
+
+		public float MaxDuration { get; private set; }
+
+		public StateBase<T> NextState { get; private set; }
+
+		public void SetAutoTransition(StateBase<T> nextState, float duration)
+		{
+			MaxDuration = duration;
+			NextState = nextState;
+		}
+
+		public void Enter()
+		{
+			if (startAction != null)
+			{
+				startAction();
+			}
+		}
+
+		public void Update()
+		{
+			if (updateAction != null)
+			{
+				updateAction();
+			}
+		}
+
+		public void Leave()
+		{
+			if (leaveAction != null)
+			{
+				leaveAction();
+			}
+		}
+	}
+}

Assets/Scripts/Toolkit/OHM/UnityToolkit/FSM/StateBase.cs.meta

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