public void AddState(IFiniteState state, bool isDefaultState = false)
{
if (state == null || state.GetName() == null)
{
return;
}
m_States[state.GetName()] = state;
if (isDefaultState || string.IsNullOrEmpty(m_DefaultState))
{
m_DefaultState = state.GetName();
}
m_StateCount = m_States.Count;
}
void ChangeState(Transition trans)
{
string toState = trans.m_ToState;
bool push = true;
if (string.IsNullOrEmpty(toState))
{
if (m_StateStack.Count > 0)
{
toState = m_StateStack[m_StateStack.Count - 1];
m_StateStack.RemoveAt(m_StateStack.Count - 1);
push = false;
}
else
{
return;
}
}
if (toState == m_CurrentStateName)
{
return;
}
m_PrevState = m_CurrentState;
m_CurrentState = null;
m_CurrentStateName = toState;
if (m_PrevState != null)
{
m_PrevState.OnEnd();
// 入栈
if (m_StackSize > 0 && push && m_PrevState.KeepInStack() && StateStackPeek != m_PrevState.GetName())
{
int del = m_StateStack.Count + 1 - m_StackSize;
if (del > 0)
{
m_StateStack.RemoveRange(0, del);
}
m_StateStack.Add(m_PrevState.GetName());
}
}
UpdateTransitions();
}
