public IEnumerable<Act.Status> GreedyFallbackBehavior(Creature agent)
{
EdgeGoalRegion edgeGoal = new EdgeGoalRegion();
while (true)
{
Voxel creatureVoxel = agent.Physics.CurrentVoxel;
if (edgeGoal.IsInGoalRegion(creatureVoxel))
{
yield return Act.Status.Success;
yield break;
}
List<Creature.MoveAction> actions = agent.AI.Movement.GetMoveActions(creatureVoxel);
float minCost = float.MaxValue;
Creature.MoveAction minAction = new Creature.MoveAction();
bool hasMinAction = false;
foreach (Creature.MoveAction action in actions)
{
Voxel vox = action.Voxel;
float cost = edgeGoal.Heuristic(vox) + MathFunctions.Rand(0.0f, 5.0f);
if (cost < minCost)
{
minAction = action;
minCost = cost;
hasMinAction = true;
}
}
if (hasMinAction)
{
Creature.MoveAction nullAction = new Creature.MoveAction()
{
Diff = minAction.Diff,
MoveType = Creature.MoveType.Walk,
Voxel = creatureVoxel
};
agent.AI.Blackboard.SetData("GreedyPath", new List<Creature.MoveAction>(){nullAction, minAction});
FollowPathAnimationAct pathAct = new FollowPathAnimationAct(agent.AI, "GreedyPath");
pathAct.Initialize();
foreach (Act.Status status in pathAct.Run())
{
yield return Act.Status.Running;
}
}
yield return Act.Status.Running;
}
}
public IEnumerable <Status> TrackMovingTarget()
{
while (true)
{
Creature.AI.Blackboard.Erase("EntityVoxel");
Act.Status status = SetTargetVoxelFromEntityAct.SetTarget("EntityVoxel", EntityName, Creature);
Body entity = Agent.Blackboard.GetData <Body>(EntityName);
if (entity == null || entity.IsDead)
{
yield return(Status.Success);
yield break;
}
if (status != Status.Success)
{
yield return(Act.Status.Running);
}
Creature.AI.Blackboard.Erase("PathToEntity");
PlanAct planAct = new PlanAct(Creature.AI, "PathToEntity", "EntityVoxel", PlanAct.PlanType.Adjacent);
planAct.Initialize();
bool planSucceeded = false;
while (true)
{
Act.Status planStatus = planAct.Tick();
if (planStatus == Status.Fail)
{
yield return(Act.Status.Running);
break;
}
else if (planStatus == Status.Running)
{
yield return(Act.Status.Running);
}
else if (planStatus == Status.Success)
{
planSucceeded = true;
break;
}
}
if (!planSucceeded)
{
yield return(Act.Status.Running);
continue;
}
FollowPathAnimationAct followPath = new FollowPathAnimationAct(Creature.AI, "PathToEntity");
followPath.Initialize();
while (true)
{
Act.Status pathStatus = followPath.Tick();
if (pathStatus == Status.Fail)
{
break;
}
else if (pathStatus == Status.Running)
{
yield return(Act.Status.Running);
List <Creature.MoveAction> path = Agent.Blackboard.GetData <List <Creature.MoveAction> >("PathToEntity");
if (path.Count > 0 && (path.Last().Voxel.Position - entity.LocalTransform.Translation).Length() > 4)
{
break;
}
if (MovingTarget && (Creature.Physics.Position - entity.Position).Length() < 2)
{
yield return(Status.Success);
yield break;
}
continue;
}
else if (pathStatus == Status.Success)
{
yield return(Act.Status.Success);
yield break;
}
}
yield return(Act.Status.Running);
}
}
