Goap Framework Outline

/*************************
 *  WorldState Classes
 *************************/

public class WorldState
{
    public Dictionary<int, LocationData> LocationData { get; private set; }
    public HashSet<TraversalData> TraversalData { get; private set; }
    public Dictionary<string, bool> FlagData { get; private set; }
}

public class LocationData
{
    public EntityTypeEnum EntityType { get; set; }
    public Vector3 Position { get; set; }
    public float LastSeen { get; set; }
}

public class EnemyLocationData : LocationData
{
    public Vector3 Direction { get; set; }
    public bool IsEliminated { get; set; }
}

public class TraversalData
{
    public Vector3 FromPosition { get; set; }
    public Vector3 ToPosition { get; set; }
    public float LastSeen { get; set; }
}

/*************************
 *  Goap Core
 *************************/

public interface IGoapCondition
{
    string Name { get; }
    bool Validate(WorldState worldstate);
}

public interface IGoapAction
{
    float Cost { get; }
    IGoapCondition[] Preconditions{ get; }
    IGoapCondition[] Postconditions{ get; }

    void Update(WorldState worldstate);
}

public interface IGoapPlanner
{
    Stack<IGoapAction> Plan(WorldState worldstate);
}

public class GoapPlanner :IGoapPlanner
{
    public static Stack<IGoapAction> Plan(IGoapAgent agent)
    {
        // Needs goals access
        // Needs worldstate access
        // Needs Action // access
    }
}

public interface IGoapAgent
{
    SortedList<float, IGoapCondition> Goals { get; }
    IGoapAction[] Actions { get; }
    WorldState WorldState { get; }
}

public class GoapAgent : Monobehaviour, IGoapAgent
{
    public SortedList<float, IGoapCondition> Goals { get{ return _goals.Clone(??); } }
    public IGoapAction[] Actions { get{ return _actions.ToArray(); } }
    public WorldState WorldState { get{ return _worldState.Clone(); } }

    private SortedList<float, IGoapCondition> _goals;
    private List<IGoapAction> _actions;
    private WorldState _worldState;

    private Stack<IGoapAction> _acitonPlan;

    public void Update()
    {
    }

    private void Replan()
    {
        if(Time.time > _lastReplan + _replanInterval)
        {
            _actionPlan = GoapPlanner.Plan(this);
        }

    }
}