74 lines
2.0 KiB
C#
74 lines
2.0 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using Sirenix.OdinInspector;
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using UnityEngine;
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namespace GadGame.State
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{
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public class StateRunner<T> : MonoBehaviour where T : MonoBehaviour
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{
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protected State<T> ActiveState;
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#if UNITY_EDITOR
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[ValueDropdown("AllStates")]
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#endif
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[SerializeField]
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private List<string> _availableStates;
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private List<State<T>> _states;
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private float _timer;
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#if UNITY_EDITOR
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public IEnumerable AllStates
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{
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get
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{
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return Assembly.GetExecutingAssembly()
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.GetTypes()
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.Where(t => t.BaseType is { IsGenericType: true } &&
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t.BaseType.GetGenericTypeDefinition() == typeof(State<>)).Select(t => t.FullName);
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}
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}
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#endif
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protected virtual void Awake()
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{
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_states = new List<State<T>>();
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foreach (var stateName in _availableStates)
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{
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var stateType = Assembly.GetExecutingAssembly().GetType(stateName);
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var state = Activator.CreateInstance(stateType) as State<T>;
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_states.Add(state);
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state?.Init(GetComponent<T>());
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}
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}
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protected virtual void Update()
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{
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if (ActiveState != null)
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{
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_timer += Time.deltaTime;
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ActiveState.Update(_timer);
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}
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}
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public void SetState<TSt>() where TSt : State<T>
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{
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if (ActiveState != null)
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{
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if(ActiveState is TSt) return;
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ActiveState.Exit();
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}
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var newState = _states.FirstOrDefault(s => s is TSt);
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if(newState == null) return;
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newState.Enter();
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ActiveState = newState;
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_timer = 0;
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}
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}
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} |