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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
// 角色状态机
[DisallowMultipleComponent]
public class UnitState : UnitComponent
{
public enum EUnitState
{
Idle ,
Move ,
Spawn ,
Die ,
Dead ,
Skill ,
//
HitAir ,
HitAirHit ,
Knockdown ,
//
HitGuard ,
//
Walk ,
//
Rise ,
//
Jump ,
// 转身
Turn ,
}
[SerializeField] private EUnitState m_State;
public EUnitState CurrentState { get { return m_State; } }
private delegate void ExitStateHandler(EUnitState nextState);
private delegate void EnterStateHandler(EUnitState prevState);
private Dictionary<EUnitState, ExitStateHandler> m_ExitStateHandlerDic = new Dictionary<EUnitState, ExitStateHandler>();
public override void Initialize()
{
base.Initialize();
InitState();
}
#region state param
public struct IdleParam {}
public struct MoveParam
{
public bool isRight;
public string key;
}
public struct SkillParam
{
}
public struct JumpParam
{ }
public struct TurnParam
{
EUnitState nextState;
}
#endregion
void InitState()
{
m_ExitStateHandlerDic.Add(EUnitState.Idle, OnIdleExit);
m_ExitStateHandlerDic.Add(EUnitState.Move, OnMoveExit);
m_ExitStateHandlerDic.Add(EUnitState.Skill, OnSkillExit);
m_ExitStateHandlerDic.Add(EUnitState.Jump, OnJumpExit);
}
public void ChangeState<T>(EUnitState nextState, T param = default, bool bForce = false)
{
if (!IsChange(nextState, bForce))
return;
LogHelper.Log("UnitState: " + m_State.ToString() + " -> " + nextState.ToString());
StopAllCoroutines();
EUnitState prevState = m_State;
if (m_ExitStateHandlerDic.ContainsKey(m_State))
{
m_ExitStateHandlerDic[m_State](nextState);
}
m_State = nextState;
StartCoroutine(m_State.ToString(), param);
}
bool IsChange(EUnitState newState, bool bForce)
{
if (newState != m_State || bForce)
return true;
return false;
}
#region Idle
IEnumerator Idle(IdleParam param)
{
m_Owner.unitAnimation.Play(UnitAnimation.EAnimState.Idle);
yield return null;
}
void OnIdleExit(EUnitState nextState)
{
}
#endregion
#region Move
IEnumerator Move(MoveParam param)
{
if (m_Owner.isTowardRight && !param.isRight
|| !m_Owner.isTowardRight && param.isRight)
{
//m_Owner.unitAnimation.Play(UnitAnimation.EAnimState.Turn);
//yield return new WaitForActionReachEnd(m_Owner.unitAnimation);
//if (param.isRight)
// m_Owner.transform.rotation = Quaternion.Euler(0, 0, 0);
//else
// m_Owner.transform.rotation = Quaternion.Euler(0, 180, 0);
m_Owner.transform.rotation = Quaternion.Euler(0, param.isRight ? 0 : 180, 0);
}
if(Input.GetKey(param.key))
m_Owner.unitAnimation.Play(UnitAnimation.EAnimState.Move);
while (Input.GetKey(param.key))
{
yield return null;
}
ChangeState(EUnitState.Idle, new IdleParam());
}
void OnMoveExit(EUnitState nextState)
{
}
#endregion
#region Skill
IEnumerator Skill(SkillParam param)
{
m_Owner.unitAnimation.Play(UnitAnimation.EAnimState.Attack);
yield return new WaitForActionReachEnd(m_Owner.unitAnimation);
ChangeState(EUnitState.Idle, new IdleParam());
}
void OnSkillExit(EUnitState next)
{
}
#endregion
#region Jump
IEnumerator Jump(JumpParam param)
{
m_Owner.unitAnimation.Play(UnitAnimation.EAnimState.Jump);
yield return new WaitForActionReachEnd(m_Owner.unitAnimation);
ChangeState<IdleParam>(EUnitState.Idle);
}
void OnJumpExit(EUnitState next)
{
}
#endregion
}
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