public void AddTransition(RoleTransition trans, RoleStateID id)
{
//验证每个参数是否合法
if (trans == RoleTransition.NullTransition)
{
Debug.LogError("FSMState ERROR: NullTransition is not allowed for a real transition");
return;
}
if (id == RoleStateID.NullStateID)
{
Debug.LogError("FSMState ERROR: NullStateID is not allowed for a real ID");
return;
}
//要知道这是一个确定的有限状态机（每个状态后对应一种状态，而不能产生分支）
//检查当前的过渡是否已经在字典中了
if (map.ContainsKey(trans))
{
Debug.LogError("FSMState ERROR: State " + stateID.ToString() + " already has transition " + trans.ToString() +
"Impossible to assign to another state");
return;
}
map.Add(trans, id);
}
public void EndCurrentStateToOtherState(RoleStateID id)
{
if (!IsAlive)
{
return;
}
if (RoleEntityControl.Fsm.CurrentStateID != id)
{
switch (id)
{
case RoleStateID.Idle:
RoleEntityControl.SetTransition(RoleTransition.Idle, this);
break;
case RoleStateID.Walk:
RoleEntityControl.SetTransition(RoleTransition.FreeWalk, this);
break;
case RoleStateID.Acct:
RoleEntityControl.SetTransition(RoleTransition.Acct, this);
break;
case RoleStateID.Skill:
RoleEntityControl.SetTransition(RoleTransition.Skill, this);
break;
case RoleStateID.Switch:
RoleEntityControl.SetTransition(RoleTransition.Switch, this);
break;
case RoleStateID.CrashPlayer:
RoleEntityControl.SetTransition(RoleTransition.CrashPlayer, this);
break;
case RoleStateID.Dead:
ItemDropMgr.Instance.DropRareItem(CacheModel.position, Attribute.Score, GameMgr.Instance.ItemRoot);
RoleEntityControl.SetTransition(RoleTransition.Dead, this);
break;
}
}
}
/// <summary>
/// 状态改变
/// </summary>
public void SwitchTransition(RoleTransition trans, Entity entity)
{
//在改变当前状态前检测NullTransition
if (trans == RoleTransition.NullTransition)
{
Debug.LogError("FSM ERROR: NullTransition is not allowed for a real transition");
return;
}
//在改变当前状态前检测当前状态是否可作为过渡的参数
RoleStateID id = CurrentState.GetOutputState(trans);
if (id == RoleStateID.NullStateID)
{
Debug.LogError("FSM ERROR: State " + CurrentStateID.ToString() + " does not have a target state " +
" for transition " + trans.ToString());
return;
}
if (id == CurrentStateID)
{
//Debug.LogError("FSM ERROR:Current State is same state " + CurrentStateID.ToString());
return;
}
//更新当前的状态个和状态编号
CurrentStateID = id;
for (int i = 0; i < states.Count; i++)
{
if (states[i].ID == CurrentStateID)
{
//离开旧状态执行方法
CurrentState.OnExit(entity);
CurrentState = states[i];
//进入新的状态
CurrentState.OnEnter(entity);
break;
}
}
}
/// <summary>
/// 该方法删除一个已存在以状态几个中的状态
/// 在它不存在时打印错误信息
/// </summary>
public void DeleteState(RoleStateID id)
{
//在删除前检查其是否为空状态
if (id == RoleStateID.NullStateID)
{
Debug.LogError("FSM ERROR: NullStateID is not allowed for a real state");
return;
}
//遍历集合如果存在该状态则删除它
for (int i = 0; i < states.Count; i++)
{
if (states[i].ID == id)
{
states.Remove(states[i]);
return;
}
}
Debug.LogError("FSM ERROR: Impossible to delete state " + id.ToString() +
". It was not on the list of states");
}
