Gameplay Ingredients是一组用于 Unity 游戏的运行时和编辑器工具:一组脚本的集合,可在制作游戏和原型时简化简单的任务。
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1.9 KiB

using NaughtyAttributes;
using System.Linq;
using System.Collections.Generic;
using UnityEngine;
namespace GameplayIngredients.StateMachines
{
public class StateMachine : MonoBehaviour
{
[StateMachineState]
public string DefaultState;
[ReorderableList, NonNullCheck]
public State[] States;
State m_CurrentState;
void Start()
{
foreach (var state in States)
{
if(state.gameObject.activeSelf)
state.gameObject.SetActive(false);
}
SetState(DefaultState);
}
public void SetState(string stateName)
{
State newState = States.FirstOrDefault(o => o.StateName == stateName);
if(newState != null)
{
if (m_CurrentState != null)
{
// Call Exit Actions
Callable.Call(m_CurrentState.OnStateExit, gameObject);
// Then finally disable old state
m_CurrentState.gameObject.SetActive(false);
}
// Switch Active new state
newState.gameObject.SetActive(true);
// Then Set new current state
m_CurrentState = newState;
// Finally, call State enter
Callable.Call(m_CurrentState.OnStateEnter, gameObject);
}
else
Debug.LogWarning(string.Format("{0} : Trying to set unknown state {1}", gameObject.name, stateName), gameObject);
}
void Update()
{
if (GameplayIngredientsSettings.currentSettings.allowUpdateCalls
&& m_CurrentState != null
&& m_CurrentState.OnStateUpdate != null
&& m_CurrentState.OnStateUpdate.Length > 0)
{
Callable.Call(m_CurrentState.OnStateUpdate, this.gameObject);
}
}
}
}