/// <summary>
/// 系统向前进一个状态
/// 她只有在对话推进和选择项出现时才被触发
/// </summary>
public static void SteadyForward(bool fromWheel, SceneAction saPtr, MusicianDescriptor mdescriptor, BacklogHolder backlogHolder)
{
lock (typeof(RollbackManager))
{
// 回滚后返回，移栈并演绎
if (fromWheel && RollbackManager.IsRollingBack)
{
// 取上一状态
var recentStep = RollbackManager.backwardStack.Last();
RollbackManager.backwardStack.RemoveLast();
RollbackManager.forwardStack.AddLast(recentStep);
// 重演绎
RollbackManager.GotoSteadyState(recentStep);
}
// 非回滚状态时才重新构造
else if (fromWheel == false)
{
// 处理回顾
if (saPtr.Type == SActionType.act_dialog)
{
backlogHolder.AddLog(saPtr.Tag);
}
// 构造当前状态的拷贝
var vm = Director.RunMana.CallStack.Fork() as StackMachine;
vm.SetMachineName(String.Format("Yuri!Forked?{0}?{1}", DateTime.Now.Ticks, rand.Next(0, int.MaxValue)));
RollbackableSnapshot ssp = new RollbackableSnapshot()
{
TimeStamp = DateTime.Now,
IsBranchingRefer = Director.GetInstance().GetMainRender().IsBranching,
MusicRef = ForkableState.DeepCopyBySerialization(mdescriptor),
BacklogRef = ForkableState.DeepCopyBySerialization(backlogHolder),
ReactionRef = saPtr,
VMRef = vm,
globalDao = SymbolTable.GetInstance().GlobalCtxDao.Fork() as GlobalContextDAO,
sceneDao = SymbolTable.GetInstance().SceneCtxDao.Fork() as SceneContextDAO,
ScreenStateRef = ScreenManager.GetInstance().Fork() as ScreenManager,
SemaphoreDict = ForkableState.DeepCopyBySerialization(Director.RunMana.SemaphoreBindings),
EnableRClickRef = Director.RunMana.EnableRClick,
PerformingChapterRef = Director.RunMana.PerformingChapter
};
// 如果栈中容量溢出就剔掉最早进入的那个
if (RollbackManager.forwardStack.Count >= GlobalConfigContext.MaxRollbackStep)
{
RollbackManager.forwardStack.RemoveFirst();
}
// 入栈
RollbackManager.forwardStack.AddLast(ssp);
}
}
}
/// <summary>
/// 将系统跳转到指定的稳定状态
/// </summary>
/// <param name="ssp">要演绎的状态包装</param>
public static void GotoSteadyState(RollbackableSnapshot ssp)
{
// 停止消息循环
Director.PauseUpdateContext();
// 结束全部动画
SpriteAnimation.ClearAnimateWaitingDict();
// 检查是否需要回滚当前的并行处理和信号绑定
bool needRepara = false;
if (ssp.VMRef.ESP.BindingSceneName != Director.RunMana.CallStack.SAVEP.BindingSceneName)
{
Director.RunMana.PauseParallel();
needRepara = true;
}
// 退到SSP所描述的状态
SymbolTable.GetInstance().SetDAO(ssp.sceneDao.Fork() as SceneContextDAO, ssp.globalDao.Fork() as GlobalContextDAO);
ScreenManager.ResetSynObject(ssp.ScreenStateRef.Fork() as ScreenManager);
Director.RunMana.ResetCallstackObject(ssp.VMRef.Fork() as StackMachine);
Director.RunMana.Backlogs = ForkableState.DeepCopyBySerialization(ssp.BacklogRef);
Director.RunMana.Musics = ForkableState.DeepCopyBySerialization(ssp.MusicRef);
Director.RunMana.DashingPureSa = ssp.ReactionRef.Clone(true);
Director.RunMana.SemaphoreBindings = ForkableState.DeepCopyBySerialization(ssp.SemaphoreDict);
Director.RunMana.EnableRClick = ssp.EnableRClickRef;
Director.RunMana.PerformingChapter = ssp.PerformingChapterRef;
Director.ScrMana = ScreenManager.GetInstance();
// 刷新主渲染器上的堆栈绑定
Director.GetInstance().RefreshMainRenderVMReference();
Director.GetInstance().GetMainRender().IsBranching = ssp.IsBranchingRefer;
// 重绘整个画面
ViewManager.GetInstance().ReDraw(true);
// 恢复音效
UpdateRender render = Director.GetInstance().GetMainRender();
if (GlobalConfigContext.UseBassEngine)
{
MusicianBass.GetInstance().RePerform(Director.RunMana.Musics);
}
else
{
Musician.GetInstance().RePerform(Director.RunMana.Musics);
}
// 清空字符串缓冲
render.dialogPreStr = String.Empty;
render.pendingDialogQueue.Clear();
// 关闭自动播放
Director.RunMana.IsAutoplaying = false;
// 弹空全部等待，复现保存最后一个动作
Director.RunMana.ExitUserWait();
Interrupt reactionNtr = new Interrupt()
{
Type = InterruptType.LoadReaction,
Detail = "Reaction for rollback",
InterruptSA = ssp.ReactionRef,
InterruptFuncSign = String.Empty,
ReturnTarget = null,
PureInterrupt = true
};
// 提交中断到主调用堆栈
Director.RunMana.CallStack.Submit(reactionNtr);
// 重启并行处理和信号系统
if (needRepara)
{
var sc = ResourceManager.GetInstance().GetScene(ssp.VMRef.EBP.BindingSceneName);
Director.RunMana.ConstructParallelForRollingBack(sc);
Director.RunMana.BackTraceParallel();
Director.RunMana.LastSceneName = sc.Scenario;
SemaphoreDispatcher.ReBinding(sc, Director.RunMana.SemaphoreBindings);
}
// 重启消息循环
Director.ResumeUpdateContext();
}