public override void Execute()
{
if (mCurrentState != null)
{
if (mCurrentState.mStateFlag == ISMStateBase.StateFlag.BeforeEnter)
{
mCurrentState.Enter();
}
else if (mCurrentState.mStateFlag == ISMStateBase.StateFlag.Executing)
{
mCurrentState.Execute();
}
else if (mCurrentState.mStateFlag == ISMStateBase.StateFlag.BeforeExit)
{
mCurrentState.Exit();
}
else if (mCurrentState.mStateFlag == ISMStateBase.StateFlag.AfterExit)
{
mCurrentState.ReInit();
mCurrentState = null;
}
}
else
{
if (mStateQueue.Count > 0)
{
mCurrentState = mStateQueue.Dequeue();
}
else
{
EndSelf();
}
}
}
//this push is a complex operation,coz it will judge whether this state can be enter or if this state cause other state stop
protected void PushOne(ISMState <T> state)
{
if (!ContainsState(state))
{
if (state.mStateFlag == ISMStateBase.StateFlag.BeforeEnter ||
state.mStateFlag == ISMStateBase.StateFlag.AfterExit)
{
//first must be reinit once
state.ReInit();
state.Enter();
if (state.mStateFlag == ISMStateBase.StateFlag.Executing)
{
Add(state);
}
}
}
}