/// <summary>
/// Exits from the actual utilityAction to go to another one
/// </summary>
public void ExitTransition(UtilityAction action)
{
string last = this.actualState.Name;
if (ActiveAction != null)
{
if (ActiveAction.HasSubmachine)
{
this.ActiveAction.subMachine.ResetPerceptionsActiveState();
new Transition("Max_Utility_Transition", this.ActiveAction.subMachine.actualState, new PushPerception(this),
this.GetEntryState(), this, this.ActiveAction.subMachine)
.FireTransition();
}
else
{
new Transition("Max_Utility_Transition", this.actualState, new PushPerception(this), action.utilityState, this)
.FireTransition();
}
}
else
{
new Transition("Max_Utility_Transition", this.actualState, new PushPerception(this), action.utilityState, this)
.FireTransition();
}
this.ActiveAction = action;
//DEBUGGING
if (DEBUG)
{
//EXIT TRANSITION
Console.WriteLine("[DEBUG] ExitTransition - New active action: " + action.utilityState.Name +
". Active State: " + this.actualState.Name + ". Last active action: " + last);
Console.WriteLine("-------------------------");
//UTILITIES
Console.WriteLine("[DEBUG] Utilities: ");
foreach (UtilityAction a in this.actions)
{
if (a == ActiveAction)
{
Console.Write(a.utilityState.Name + " active action utility " + a.getUtility());
if (a.getUtility() * inertia > 1.0f)
{
Console.WriteLine(" inertia 1.0f");
}
else
{
Console.WriteLine(" inertia " + a.getUtility() * inertia);
}
}
else
{
Console.WriteLine(a.utilityState.Name + " utility " + a.getUtility());
}
}
Console.WriteLine("[DEBUG] FINISHED UTILITIES DEBUG");
Console.WriteLine("--------------------------------");
}
}
public IEnumerator Fire(MovementController ctr, UtilityAction act)
{
act.isStoppable = false;
BossController btr = ctr as BossController;
BossHandController hand = btr.SelectOneHand();
hand.anim.SetBool("Aim", true);
Coroutine co = StartCoroutine(this.HandFire(btr, hand));
if (Random.Range(0, 100) < this.boss.doubleAttackProbability)
{
BossHandController hand2 = btr.SelectOtherHand(hand);
hand2.anim.SetBool("Aim", true);
yield return(btr.Aim(hand2));
yield return(btr.Fire(hand2));
yield return(btr.Reset(hand2));
}
yield return(co);
act.isRunning = false;
}
public void RunOptimalAction()
{
List <UtilityAction> sortedActions = utilityActions.OrderByDescending(action => action.Score()).ToList();
List <UtilityAction> highestScoringSubset = sortedActions.GetRange(0, Mathf.Min(3, sortedActions.Count));
float z = 0.0f;
float[] cumScores = new float[highestScoringSubset.Count];
for (int i = 0; i < cumScores.Length; i++)
{
UtilityAction action = highestScoringSubset[i];
z += action.Score();
cumScores[i] = z;
}
float x = Random.Range(0, z);
for (int i = 0; i < cumScores.Length; i++)
{
if (x < cumScores[i])
{
//This action was randomly chosen out of the best for the AI to take
highestScoringSubset[i].Run();
return;
}
}
//We shouldn't reach here unless bucket is empty
}
public override void SetupUtilityAction()
{
UtilityConsideration LowHeathCons = new UtilityConsideration(UtilityConsideration.CurveTypes.Polynomial, new Vector2(0, MyAgent.GetComponent <Health>().MaxHealth),
GetHealth, -1, 0.6f, 0, 2, 1);
myUtilityAction = new UtilityAction <GoapGoal>(1, this, LowHeathCons);
}
public bool IsCurrentlyRunning(UtilityAction act)
{
// if(this.main != null) {
// Debug.Log("Check if '" + act.method + "' is running at " + Time.time + "(main -> '" + this.main.method + "')");
// } else {
// Debug.Log("Check if '" + act.method + "' is running at " + Time.time + "(no main)");
// }
this.CleanActions();
if (this.main != null && this.main.method.Equals(act.method))
{
return(true);
}
foreach (UtilityAction a in this.parallelizables)
{
if (a.method.Equals(act.method))
{
return(true);
}
}
return(false);
}
public IEnumerator Death(MovementController ctr, UtilityAction act)
{
act.isStoppable = false;
if (this.isDead)
{
yield break;
}
BossController btr = ctr as BossController;
BossHandController hand1 = btr.SelectOneHand();
BossHandController hand2 = btr.SelectOtherHand(hand1);
this.TryStopCoroutine(ref this.followCoroutine);
hand1.anim.SetTrigger("Death");
hand2.anim.SetTrigger("Death");
Coroutine c1 = StartCoroutine(btr.Reset(hand1));
yield return(btr.Reset(hand2));
yield return(c1);
this.isDead = true;
act.isRunning = false;
}
// Choose action with highest utility value
private void ChooseAction()
{
// Don't iterate through list if only one action exists
if (_AgentActions.Count == 1)
{
_CurrentAction = _AgentActions[0];
return;
}
float currentScore = 0;
float deltaScore = 0;
for (int i = 0; i < _AgentActions.Count; i++)
{
// Get score of every action in list
currentScore = _AgentActions[i]._UtilityScore;
// Check if previous score is bigger than our score we are currently looking at
// If yes: We skip to the next score until we find a score which is bigger than our current highest score
// If no: We have our highest score and can finally execute it
if (deltaScore > currentScore)
{
continue;
}
// Save the current highest score
deltaScore = currentScore;
// Save old action
_oldAction = _CurrentAction;
// Assign the best action to our current action to execute
_CurrentAction = _AgentActions[i];
}
}
public override void SetupUtilityAction()
{
UtilityConsideration nConsideration = new UtilityConsideration();
nConsideration.GetInput = () => { return(0.1f); };
myUtilityAction = new UtilityAction <GoapGoal>(1, this, nConsideration);
}
// Update is called once per frame
public override void UpdateButtons()
{
float highestUtility = currentAction != null?currentAction.GetContinueUtility() : -1;
UtilityAction selectedNextAction = currentAction;
foreach (UtilityAction potentialAction in options)
{
if (currentAction == potentialAction)
{
continue;
}
float potUtility = potentialAction.GetStartUtility();
if (potUtility > highestUtility)
{
selectedNextAction = potentialAction;
highestUtility = potUtility;
}
}
if (selectedNextAction != currentAction)
{
if (currentAction != null)
{
currentAction.EndAction();
}
selectedNextAction.BeginAction();
currentAction = selectedNextAction;
}
lastUtility.Clear();
if (DebugMode)
{
lastUtility.Add("CalulateRetreatSpaceUtility", new UtilityOption()
{
value = CalulateRetreatSpaceUtility()
});
lastUtility.Add("NormalisedOpponentHorizontalDistance", new UtilityOption()
{
value = NormalisedOpponentHorizontalDistance(12)
});
lastUtility.Add("CalculateJumpDodgeUtility", new UtilityOption()
{
value = CalculateJumpDodgeUtility(DodgeArea.Upper)
});
//for (int i = 0; i < options.Count; i++)
//{
// var option = options[i];
// lastUtility[option.name] = option;
// lastUtility[option.name + "RANK"] = new UtilityOption() { value = i };
//}
}
currentAction.UpdateButtonStatus(out shouldDrop, out shouldFeet);
}
public IEnumerator Wander(MovementController ctr, UtilityAction act)
{
RabbitController rtr = ctr as RabbitController;
yield return(rtr.Wander());
act.isStoppable = true;
yield return(rtr.Rest());
}
public override void SetupUtility()
{
UtilAction = new UtilityAction <GOAPGoal>(1, this, new UtilityConsideration(), new UtilityConsideration(), new UtilityConsideration());
UtilAction.Considerations[0].GetInput = SendInventoryCount;
UtilAction.Considerations[0].p = 3;
UtilAction.Considerations[0].k = 0.2f;
UtilAction.Considerations[1].GetInput = InventoryAtMax;
UtilAction.Considerations[2].GetInput = DistanceToTarget;
}
public IEnumerator StandBy(MovementController ctr, UtilityAction act)
{
act.isStoppable = true;
// yield return enemy.WatchOut();
yield return(new WaitForSeconds(99999f));
act.isRunning = false;
}
public IEnumerator Patrol(MovementController ctr, UtilityAction act)
{
act.isStoppable = true;
MiteEnemyController mrec = ctr as MiteEnemyController;
yield return(mrec.Patrol());
act.isRunning = false;
}
public IEnumerator RunAway(MovementController ctr, UtilityAction act)
{
// set 'isStoppable' to true to allow action cancelling.
act.isStoppable = false;
// do stuff with ctr...
yield return(null);
act.isRunning = false;
}
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* ------------------------------------ ACTIONS FUNCTIONS -------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
public override IEnumerator Attack(MovementController ctr, UtilityAction act)
{
act.isStoppable = false;
FlameThrowerEnemyController enemy = ctr as FlameThrowerEnemyController;
yield return(StartCoroutine(enemy.Fire()));
act.isRunning = false;
}
public IEnumerator Colour(MovementController ctr, UtilityAction act)
{
act.isStoppable = false;
BossController btr = ctr as BossController;
yield return(btr.Colour());
act.isRunning = false;
}
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* ------------------------------------ ACTIONS FUNCTIONS -------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
public override IEnumerator Attack(MovementController ctr, UtilityAction act)
{
act.isStoppable = false;
TurrelEnemyController enemy = ctr as TurrelEnemyController;
Vector3 target = player.position + player.up * 0.5f;
yield return(StartCoroutine(enemy.ShootAt(target)));
act.isRunning = false;
}
public override void SetupUtilityAction()
{
UtilityConsideration PlayerDetectedCons = new UtilityConsideration();
PlayerDetectedCons.GetInput = GetConcInput;
UtilityConsideration PlayerRangeCons = new UtilityConsideration(UtilityConsideration.CurveTypes.Trigonometric, new Vector2(0, MyAgent.GetComponent <GoapAI>().DetectionRadius),
GetPlayerDist, 1, 1, 2, 1, 0);
myUtilityAction = new UtilityAction <GoapGoal>(1, this, PlayerDetectedCons, PlayerRangeCons);
}
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* ------------------------------------ ACTIONS FUNCTIONS -------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
/* --------------------------------------------------------------------------------------------*/
public override IEnumerator Attack(MovementController ctr, UtilityAction act)
{
act.isStoppable = false;
MeleeRangerEnemyController enemy = ctr as MeleeRangerEnemyController;
enemy.Punch();
yield return(new WaitForSeconds(0.5f));
act.isRunning = false;
}
public IEnumerator StandBy(MovementController ctr, UtilityAction act)
{
act.isStoppable = true;
MeleeRangerEnemyController mrec = ctr as MeleeRangerEnemyController;
mrec.enemy.animator.SetBool("Walk", false);
yield return(new WaitForSeconds(99999f));
act.isRunning = false;
}
private static string UtilityActionToString(UtilityAction act)
{
if (act == null)
{
return(string.Empty);
}
else
{
return(act.method);
}
}
public IEnumerator Patrol(MovementController ctr, UtilityAction act)
{
act.isStoppable = true;
MeleeRangerEnemyController mrec = ctr as MeleeRangerEnemyController;
mrec.enemy.animator.SetBool("Walk", true);
yield return(mrec.Patrol());
act.isRunning = false;
}
public void AddEndListener(string methodName, ActionEvent callback)
{
UtilityAction act = this.actions.Find(x => x.method.Equals(methodName));
if (act == null)
{
Debug.LogWarning("WARNING : Could not find action with name '" + methodName + "'.");
return;
}
act.onEnd += callback;
}
public void Cancel(LivingEntity ent)
{
ent.StopAllCoroutines();
this.StopAllCoroutines();
UtilityAction current = this.controllers.Find(caa => caa.ctr.entity == ent)?.act;
if (current != null)
{
current.isRunning = false;
}
}
private void AddAction(UtilityAction act)
{
this.CleanActions();
if (act.isParallelizable)
{
this.parallelizables.Add(act);
}
else
{
this.main = act;
}
}
public void StartAction(UtilityAction act)
{
// Debug.Log("Started '" + act.method + "' at " + Time.time);
// if action need to run alone
if (act.isForceAlone)
{
// stop all other stoppable running actions
this.StopAllStoppableAction();
}
// start action
act.Start(this.ctr, this.ctr.entity);
this.AddAction(act);
}
/// <summary>
/// Creates a new basic <see cref="UtilityAction"/> in the utility curves engine
/// </summary>
/// <param name="name">The name of the utility action</param>
/// <param name="action">The action the utility action will execute</param>
/// <param name="factor">The factor that will have the Utility Action</param>
public UtilityAction CreateUtilityAction(string name, Action action, Factor factor)
{
if (!states.ContainsKey(name))
{
UtilityAction uAction = new UtilityAction(name, action, factor, this);
actions.Add(uAction);
states.Add(name, uAction.utilityState);
return(uAction);
}
else
{
throw new DuplicateWaitObjectException(name, "The utility action already exists in the utility engine");
}
}
/// <summary>
/// Creates a new specific <see cref="UtilityAction"/> in the utility curves engine that exits to the
/// <see cref="LeafNode"/> that contains the <see cref="UtilitySystemEngine"/> when the function valueReturned
/// returns something different than "Running".
/// </summary>
/// <param name="name">The name of the utility action</param>
/// <param name="factor">The factor that will have the Utility Action</param>
/// <param name="ac">The action that the <see cref="UtilityAction"/> will execute.</param>
/// <param name="valueReturned">The <see cref="ReturnValues"/> returned to the <see cref="LeafNode"/>. It's used to wait for a
/// "Succeed" or "Failed".</param>
/// <param name="behaviourTreeEngine">The <see cref="BehaviourTreeEngine"/> that contains the <see cref="UtilitySystemEngine"/>.</param>
public UtilityAction CreateUtilityAction(string name, Factor factor, Action ac, Func <ReturnValues> valueReturned, BehaviourTreeEngine behaviourTreeEngine)
{
if (!states.ContainsKey(name))
{
UtilityAction uAction = new UtilityAction(name, factor, ac, valueReturned, this, behaviourTreeEngine);
actions.Add(uAction);
states.Add(name, uAction.utilityState);
return(uAction);
}
else
{
throw new DuplicateWaitObjectException(name, "The utility action already exists in the utility engine");
}
}
/// <summary>
/// Get the shoot scores of the player unit at index
/// </summary>
/// <param name="index">The index of the unit in the shootables List</param>
/// <returns>The action with its score fleshed out</returns>
private UtilityAction GetShootScore(int index)
{
UtilityAction action = new UtilityAction();
action.SetScoreToZero();
// If thisUnit can kill a target, choose that target
if (shootables[index].GetHealth() <= thisUnit.GetDamage())
{
action.AddToScore(200f);
}
else
{
action.AddToScore(100f - (100f * (shootables[index].GetHealth() / shootables[index].GetMaxHealth())));
}
// Snipers are dangerous, so choose that target
if (shootables[index].GetUnitType() == UnitType.SNIPER)
{
action.AddToScore(50f);
}
// Otherwise, Tanks are also dangerous, so choose that target
else if (shootables[index].GetUnitType() == UnitType.TANK)
{
action.AddToScore(25f);
}
// Lastly, Scouts are dangerous, so choose that target
else if (shootables[index].GetUnitType() == UnitType.SCOUT)
{
action.AddToScore(10f);
}
if (thisUnit.GetUnitType() == UnitType.SNIPER)
{
Vector3 distance = shootables[index].transform.position - thisUnit.transform.position;
if (distance.magnitude <= 4)
{
action.AddToScore(70f);
}
else if (distance.magnitude >= 8)
{
action.AddToScore(50f);
}
}
return(action);
}
/// <summary>
/// Adds a type of <see cref="UtilityAction"/> with a sub-behaviour engine in it and its transition to the specified state
/// </summary>
/// <param name="actionName">The name of the action</param>
/// <param name="factor">The factor that gives the utility value to the action</param>
/// <param name="subBehaviourEngine">The sub-behaviour tree inside the </param>
/// <param name="stateTo">The name of the state where the sub-state machine will enter</param>
public UtilityAction CreateSubBehaviour(string actionName, Factor factor, BehaviourEngine subBehaviourEngine, State stateTo)
{
if (!states.ContainsKey(actionName))
{
State state = new State(actionName, subBehaviourEngine.GetState("Entry_Machine"), stateTo, subBehaviourEngine, this);
UtilityAction utilAction = new UtilityAction(state, factor, this, subBehaviourEngine);
states.Add(utilAction.utilityState.Name, utilAction.utilityState);
actions.Add(utilAction);
return(utilAction);
}
else
{
throw new DuplicateWaitObjectException(actionName, "The utility action already exists in the utility engine");
}
}
