private void CreatePerformState()
{
_performState = (fsm, fsmGameObject) =>
{
// all actions done, plan over...
if (_plan.Count == 0)
{
_dataProvider.PlanFinished();
fsm.PopState();
fsm.PushState(_idleState);
return;
}
// if action done (in other words, has exited)
var action = _plan.Peek();
if (action.IsDone())
{
_plan.Pop();
return;
}
// action go!
if (!action.Go(this))
{
_dataProvider.PlanAborted(action);
fsm.PopState();
fsm.PushState(_idleState);
}
};
}
private void CreateIdleState()
{
_idleState = (fsm, fsmGameObject) =>
{
// reset data content
ResetActionData();
HashSet <KeyValuePair <string, object> > worldStates = _dataProvider.GetWorldStates();
HashSet <KeyValuePair <string, object> > goals = _dataProvider.GetGoals();
// planning
_plan = _planner.Plan(this, _actions, worldStates, goals);
// if has no plan...
if (_plan == null)
{
_dataProvider.PlanFailed(goals);
}
else
{
_dataProvider.PlanFound(goals, _plan);
fsm.PopState();
fsm.PushState(_performState);
}
};
}
private void CreateHarvestState()
{
_harvestState = (fsm, fsmGameObject) =>
{
// target herb is null...
if (Target == null)
{
Herb herb = FindObjectOfType <Herb>();
if (herb == null)
{
fsm.PopState();
fsm.PushState(_idleState);
return;
}
Target = herb.gameObject;
}
// target too far...
if ((Target.transform.position - transform.position).magnitude > MaxTargetRange)
{
fsm.PushState(_moveState);
}
else
{
Destroy(Target);
BackPack++;
fsm.PopState();
fsm.PushState(_idleState);
}
};
}
private void CreateUnLoadState()
{
_unloadState = (fsm, fsmGameObject) =>
{
// target bonfire is null...
if (Target == null)
{
Bonfire bonfire = FindObjectOfType <Bonfire>();
if (bonfire == null)
{
fsm.PopState();
fsm.PushState(_idleState);
return;
}
Target = bonfire.gameObject;
}
// target too far...
if ((Target.transform.position - transform.position).magnitude > MaxTargetRange)
{
fsm.PushState(_moveState);
}
else
{
BackPack = 0;
fsm.PopState();
fsm.PushState(_idleState);
}
};
}
private void CreateIdleState()
{
_idleState = (fsm, fsmGameObject) =>
{
Target = null;
fsm.PopState();
fsm.PushState(BackPack < MaxBackPack ? _harvestState : _unloadState);
};
}
private void CreateMoveState()
{
_moveState = (fsm, fsmGameObject) =>
{
if (MoveTo(Target.transform.position, MoveSpeed))
{
fsm.PopState();
}
};
}
