public void PerformTransition(HumanTransition trans)
{
// Check for None Transition before changing the current state
if (trans == HumanTransition.None)
{
Debug.LogError("HumanFSM Error: None Transition is not allowed for a real transition");
return;
}
// Check if the currentState has the transition passed as argument
HumanFSMStateID id = currentState.GetOutputState(trans);
if (id == HumanFSMStateID.None)
{
Debug.LogError("HumanFSM Error: State " + currentStateID.ToString() + " doesn't have a target state for transition " + trans.ToString());
return;
}
// Update the currentState and currentStateID
currentStateID = id;
foreach (HumanFSMState state in states)
{
if (state.ID == currentStateID)
{
// Do the post processing of the state before setting the new one
currentState = state;
// Reset the state to its desirec condition before it can reason or act
break;
}
}
}
public HumanFSMStateID GetOutputState(HumanTransition trans)
{
// Check if the map has this transition
if (map.ContainsKey(trans))
{
return(map[trans]);
}
return(HumanFSMStateID.None);
}
public void DeleteTransition(HumanTransition trans)
{
// Check for None Transition
if (trans == HumanTransition.None)
{
Debug.LogError("HumanFSMState Error: None transition is not allowed");
return;
}
// Check if the pair is inside the map before deleting
if (map.ContainsKey(trans))
{
map.Remove(trans);
return;
}
Debug.LogError("HumanFSMState Error: Transition " + trans.ToString() + " passed to " + stateID.ToString() + "was not on the state's transition list");
}
public void AddTransition(HumanTransition trans, HumanFSMStateID id)
{
// Check if anyone of the args is invalid
if (trans == HumanTransition.None)
{
Debug.LogError("HumanFSMState Error: None is not allowed for a real Transition");
return;
}
if (id == HumanFSMStateID.None)
{
Debug.LogError("HumanFSMState Error: None is not allowed for a real ID");
return;
}
// Since this is a Deterministic FSM, check fi the current transition was already inside the map
if (map.ContainsKey(trans))
{
Debug.LogError("HumanFSMState Error: State " + stateID.ToString() + "already has transition" + trans.ToString() + " Impossible to assign to another state");
return;
}
map.Add(trans, id);
}
public void SetTransition(HumanTransition trans)
{
fsm.PerformTransition(trans);
}