public void ChangeState(gxGameState pState, bool destroyPrevious = true)
{
Common.UDebug.Assert(m_stateIndex >= 0);
m_pStateStack[m_stateIndex].Release();
if (destroyPrevious)
{
m_pStateStack[m_stateIndex] = null;
}
m_stateIndex--;
if (pState == null)
{
Common.UDebug.Assert(false, "Tried to add a NULL state !!");
ClearStateStack();
}
Common.UDebug.Assert(m_stateIndex < GAME_STATES_STACK_SIZE);
m_stateIndex++;
m_pStateStack[m_stateIndex] = pState;
int result = pState.Initalize();
if (result < 0)
{
Common.UDebug.Log(" state create failed with " + result);
Common.UDebug.Assert(false, "Failed to create the current state!!!!");
ClearStateStack();
}
else
{
pState.Resume();
}
}
//等这一帧运行完，在进行调用
protected void LateChangeState(GameStateEnum eGameStateEnum)
{
if (m_curGameStateEnum == eGameStateEnum)
{
return;
}
if (m_gameState != null)
{
m_gameState.Exit();
m_gameState.Deinitialization();
m_gameState = null;
}
switch (eGameStateEnum)
{
case GameStateEnum.GameStateEnum_Login:
case GameStateEnum.GameStateEnum_Resert:
m_gameState = new GameLoginState();
break;
}
m_gameState.Initalize();
if (eGameStateEnum == GameStateEnum.GameStateEnum_Resert)
{
eGameStateEnum = GameStateEnum.GameStateEnum_Login;
}
m_curGameStateEnum = eGameStateEnum;
}
void ClearStateStack()
{
while (m_stateIndex >= 0)
{
m_pStateStack[m_stateIndex].Pause();
m_pStateStack[m_stateIndex].Release();
m_pStateStack[m_stateIndex] = null;
m_stateIndex--;
}
ResetTouch();
while (m_pStatePushed.Count > 0)
{
m_pStatePushed.Pop();
}
m_pStatePoped = null;
}
public void Update(float timestamp)
{
if (m_pStatePoped != null)
{
m_pStatePoped.Pause();
m_pStatePoped.Release();
m_stateIndex--;
if (m_stateIndex >= 0)
{
m_pStateStack[m_stateIndex].Resume();
}
ResetTouch();
m_pStatePoped = null;
}
if (m_pStatePushed.Count > 0)
{
gxGameState pState = m_pStatePushed.Pop();
if (pState == null)
{
Common.UDebug.Assert(false, "Tried to add a NULL state !!!");
ClearStateStack();
}
Common.UDebug.Assert(m_stateIndex < GAME_STATES_STACK_SIZE);
gxGameState oldState = CurrentState();
if (oldState != null)
{
oldState.Pause();
}
m_stateIndex++;
m_pStateStack[m_stateIndex] = pState;
if (pState.Initalize() < 0)
{
Common.UDebug.Assert(false, "Failed to create the current state!!!!");
ClearStateStack();
}
else
{
pState.Resume();
pState.SetLoading(true);
}
ResetTouch();
}
if (m_stateIndex < 0)
{
return;
}
if (m_pStateStack[m_stateIndex].IsLoading())
{
m_pStateStack[m_stateIndex].SetLoading(m_pStateStack[m_stateIndex].Load());
}
else
{
m_pStateStack[m_stateIndex].Update(timestamp);
}
}
public override void Initalize()
{
m_stateIndex = -1;
m_pStatePoped = null;
}
public void PopState(bool bResume)
{
Common.UDebug.Assert(m_stateIndex >= 0);
m_pStatePoped = m_pStateStack[m_stateIndex];
m_pStateStack [m_stateIndex] = null; //解除引用
}
public void PushState(gxGameState pState)
{
m_pStatePushed.Add(pState);
}
