/// <summary>Execute the graph in the given blackboard.</summary>
public override AIGraphResult Run(AIBlackboard blackboard)
{
// Save blackboard while executing.
_blackboard = blackboard;
// Get current state from blackboard.
object state;
if (!_blackboard.variables.TryGetValue("CurrentState" + GetInstanceID(), out state))
{
return(null);
}
// Execute state.
FSMStateNode currentState = state as FSMStateNode;
currentState.Run();
// Get transition if any.
FSMStateNode newState = currentState.GetTransition();
if (newState != null)
{
currentState.Exit();
_blackboard.variables["CurrentState" + GetInstanceID()] = newState;
newState.Enter();
}
// Nullify references to the blackboard.
_blackboard = null;
return(null);
}
/// <summary>Init the graph in the given blackboard.</summary>
public override void Init(AIBlackboard blackboard)
{
// Save blackboard while executing.
_blackboard = blackboard;
_blackboard.variables["CurrentState" + GetInstanceID()] = _entryState;
// Trigger enter on root.
_entryState.Enter();
}
