public void RemoveState(txStateID state_id, txStateID new_state_if_current)
{
XUtils.Assert(!mLocked, "Modifying state machine while in use not allowed.");
// if that was the current state, prepare to switch states as indicated.
// remove all transitions to that state from other states.
// remove state.
XState next_state = null;
if (mCurrentState.mStateID.Equals(state_id))
{
XUtils.Assert(!new_state_if_current.Equals(state_id));
if (new_state_if_current.Equals(txStateID.kNone))
{
XUtils.Assert(mStates.Count == 1, "can only switch to no current state if removing the last state");
mCurrentState = null;
}
else
{
bool found_next = mStates.TryGetValue(new_state_if_current, out next_state);
XUtils.Assert(found_next);
}
}
for (int i = 0; i < mStates.Count; ++i)
{
var state_i = mStates.ElementAt(i);
state_i.Value.RemoveTransitionsTo(state_id);
}
if (next_state != null)
{
mCurrentState = next_state;
}
XState state;
bool found = mStates.TryGetValue(state_id, out state);
XUtils.Assert(found);
mStates.Remove(state_id);
}
public void SetStartingState(txStateID starting_state)
{
XUtils.Assert(mCurrentState == null);
XUtils.Assert(!starting_state.Equals(txStateID.kNone));
mCurrentState = GetState(starting_state);
}