protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var entity = context.Entity;
var movement = entity.GetComponent <MovementComponent>();
return(movement.CanMove() ? BehaviourTreeStatus.Success : BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
if (!IsContextValid(context))
{
return(BehaviourTreeStatus.Failure);
}
var cellsSuitableForSkillUse = this.boardNavigator
.WithinSkillRange(
GetTargetPoint(context),
context.Entity.transform.position,
context.Entity.GetComponent <SpellbookComponent>().FindOnActionBar(this.skillId))
.Where(cell => cell.IsWalkable && !cell.IsOccupied)
.Where(cell => this.pathfinder.IsTargetReachable(context.Entity, cell.transform.position))
.ToList();
if (cellsSuitableForSkillUse.Count == 0)
{
return(BehaviourTreeStatus.Failure);
}
context.TargetPoint = cellsSuitableForSkillUse
.OrderBy(cell => (cell.transform.position - context.Entity.transform.position).sqrMagnitude)
.First()
.transform.position;
return(BehaviourTreeStatus.Success);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var target = context.TargetEntity;
return(target.GetComponent <BehavioursComponent>().IsSlowed
? BehaviourTreeStatus.Success : BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var path = this.pathfinder.FindPath(
context.Entity, context.RequireTargetEntity().transform.position, true);
return(path.Count > 0 ? BehaviourTreeStatus.Success : BehaviourTreeStatus.Failure);
}
private void Close(BehaviourTreeContext context)
{
context.OpenedNodes.Remove(this);
OnClose(context);
LastStatus = BehaviourTreeStatus.Waiting;
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
return(BoardNavigator.Instance
.WithinCircle(context.Entity.transform.position, Properties.Range)
.Any(cell => cell.GameObjectsInside.Corpses().Any())
? BehaviourTreeStatus.Success
: BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var cell = this.boardNavigator.WithinCircle(context.RequireTargetPoint(), 1).FirstOrDefault();
return(cell == null || !cell.IsWalkable
? BehaviourTreeStatus.Failure
: BehaviourTreeStatus.Success);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var health = context.Entity.GetComponent <HealthComponent>();
return(health.HealthFraction <= Properties.HealthFraction
? BehaviourTreeStatus.Success
: BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
foreach (var child in Children)
{
child.Tick(context, delta);
}
return(BehaviourTreeStatus.Success);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
if (this.success == null)
{
return(BehaviourTreeStatus.Running);
}
return(this.success == true ? BehaviourTreeStatus.Success : BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
if (context.TargetEntity == null)
{
return(BehaviourTreeStatus.Failure);
}
return(context.TargetEntity.IsAllyOf(context.Entity)
? BehaviourTreeStatus.Success : BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
if (context.Combat == null)
{
return(BehaviourTreeStatus.Failure);
}
return(context.Combat.IsEntityTurn(context.Entity)
? BehaviourTreeStatus.Success
: BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
if (Children.Count == 0)
{
throw new ApplicationException($"{GetType().Name} must have a child node!");
}
return(Children.First().Tick(context, delta) == BehaviourTreeStatus.Running
? BehaviourTreeStatus.Running
: BehaviourTreeStatus.Success);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var target = context.TargetEntity;
var health = target.GetComponent <HealthComponent>();
if (health == null)
{
return(BehaviourTreeStatus.Failure);
}
return(health.IsAlive ? BehaviourTreeStatus.Success : BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var cell = this.boardNavigator.WithinCircle(context.Entity.transform.position, Properties.Range).Random();
if (cell == null)
{
return(BehaviourTreeStatus.Failure);
}
context.TargetPoint = cell.transform.position;
return(BehaviourTreeStatus.Success);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var cell = BoardNavigator.Instance.BehindTheBackOfOccupying(context.Entity.transform.position);
if (cell == null)
{
return(BehaviourTreeStatus.Failure);
}
return(cell.OccupiedBy == context.RequireTargetEntity()
? BehaviourTreeStatus.Success
: BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var target = context.TargetEntity;
var entity = context.Entity;
if (target == null)
{
return(BehaviourTreeStatus.Failure);
}
return(this.boardNavigator.EntitiesInRadius(entity.transform.position, this.range).Contains(target)
? BehaviourTreeStatus.Success : BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var entity = context.Entity;
var target = context.RequireTargetEntity();
var entitiesInSkillRange = this.boardNavigator
.EntitiesInSkillRange(
entity.transform.position,
target.transform.position,
entity.GetComponent <SpellbookComponent>().FindOnActionBar(this.skillId)
);
return(entitiesInSkillRange.Contains(target) ? BehaviourTreeStatus.Success : BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var difference = context.RequireTargetEntity().transform.position - context.Entity.transform.position;
var direction = difference.normalized;
var magnitude = difference.magnitude;
var onLineOfSight = Physics2D
.RaycastAll(context.Entity.transform.position + direction, direction, magnitude - 2.0f)
.ToCellsPrecise()
.All(hitCell => hitCell.IsWalkable && !hitCell.IsOccupied);
return(onLineOfSight ? BehaviourTreeStatus.Success : BehaviourTreeStatus.Failure);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var cell = Board.Instance.Cells
.OrderBy(c => (c.transform.position - context.Entity.transform.position).sqrMagnitude)
.FirstOrDefault(c => c.GameObjectsInside.Corpses().Any());
if (cell == null)
{
return(BehaviourTreeStatus.Failure);
}
context.TargetPoint = cell.transform.position;
return(BehaviourTreeStatus.Success);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var skill = context.Entity.GetComponent <SpellbookComponent>().FindOnActionBar(this.skillId);
if (context.Entity.GetComponent <BehavioursComponent>().IsUncontrollable)
{
Debug.LogWarning($"{GetType().Name}: entity is uncontrollable but still in combat queue.");
return(BehaviourTreeStatus.Failure);
}
return(skill.IsDisabled() || skill.IsOnCooldown() || !skill.HasEnoughResources()
? BehaviourTreeStatus.Failure
: BehaviourTreeStatus.Success);
}
/// <summary>
/// Start the execution of the AI
/// </summary>
/// <param name="dependent">The behaviour the AI is attached to. The AI is disposed if the behaviour is destroyed</param>
/// <param name="agent">The agent the AI is meant to control</param>
public void Start(MonoBehaviour dependent, X agent)
{
if (_started)
{
return;
}
_started = true;
_dependent = dependent;
_ctx = new BehaviourTreeContext <X>(agent);
Resume();
}
protected override void OnOpen(BehaviourTreeContext context)
{
this.done = false;
this.failure = false;
var movement = context.Entity.GetComponent <MovementComponent>();
if (!movement.CanMove() || context.TargetEntity == null)
{
this.failure = true;
return;
}
movement.Stopped += OnMovementStopped;
movement.Move(context.TargetEntity.transform.position);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var closestEnemy = Scene.Active.Entities
.Alive(entity => entity.IsEnemyOf(context.Entity))
.OrderBy(entity => (context.Entity.transform.position - entity.transform.position).sqrMagnitude)
.FirstOrDefault();
if (closestEnemy == null)
{
return(BehaviourTreeStatus.Failure);
}
context.TargetPoint = closestEnemy.transform.position;
return(BehaviourTreeStatus.Success);
}
protected override object GetTarget(BehaviourTreeContext context)
{
var targetPoint = context.RequireTargetPoint();
var cell = BoardNavigator.Instance.WithinCircle(targetPoint, 0).First();
var corpse = cell.GameObjectsInside.Corpses().FirstOrDefault();
if (corpse == null)
{
throw new InvalidSkillTargetException();
}
corpse.Consume();
return(targetPoint);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var closest = Scene.Active.Entities
.Alive(entity => entity.IsAllyOf(context.Entity))
.Where(entity => entity.GetComponent <HealthComponent>().HealthFraction <= this.fraction)
.OrderBy(entity => (context.Entity.transform.position - entity.transform.position).sqrMagnitude)
.FirstOrDefault();
if (closest == null)
{
return(BehaviourTreeStatus.Failure);
}
context.TargetEntity = closest;
return(BehaviourTreeStatus.Success);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var closest = Scene.Active.Entities
.Alive(entity => entity.IsEnemyOf(context.Entity) &&
!entity.GetComponent <BehavioursComponent>().IsInvisible)
.OrderBy(entity => (context.Entity.transform.position - entity.transform.position).sqrMagnitude)
.FirstOrDefault();
if (closest == null)
{
return(BehaviourTreeStatus.Failure);
}
context.TargetEntity = closest.gameObject;
return(BehaviourTreeStatus.Success);
}
protected override void OnOpen(BehaviourTreeContext context)
{
var skill = context.Entity.GetComponent <SpellbookComponent>().FindOnActionBar(this.skillId);
this.success = null;
try
{
skill.Used += OnSkillUsed;
skill.Use(GetTarget(context));
}
catch (GameplayException exception)
{
this.success = false;
skill.Used -= OnSkillUsed;
}
}
public BehaviourTreeStatus Tick(BehaviourTreeContext context, float delta)
{
if (!context.OpenedNodes.Contains(this))
{
Open(context);
}
var status = OnTick(context, delta);
if (status != BehaviourTreeStatus.Running)
{
Close(context);
}
LastStatus = status;
return(status);
}
protected override BehaviourTreeStatus OnTick(BehaviourTreeContext context, float delta)
{
var numChildrenFailed = 0;
foreach (var child in Children)
{
var childStatus = child.Tick(context, delta);
if (childStatus == BehaviourTreeStatus.Success)
{
return(childStatus);
}
if (childStatus == BehaviourTreeStatus.Failure)
{
numChildrenFailed++;
}
}
return(numChildrenFailed == Children.Count ? BehaviourTreeStatus.Failure : BehaviourTreeStatus.Running);
}
