basic work jobs work

src/main/java/xyz/valnet/engine/App.java

@@ -123,7 +123,7 @@ public class App {
       // Get the resolution of the primary monitor
       long primaryMonitor = glfwGetPrimaryMonitor();
       PointerBuffer monitors = glfwGetMonitors();
-      primaryMonitor = monitors.get(1);
+      primaryMonitor = monitors.get(0);
       GLFWVidMode vidmode = glfwGetVideoMode(primaryMonitor);
       IntBuffer monitorX = stack.mallocInt(1); // int*
       IntBuffer monitorY = stack.mallocInt(1); // int*

src/main/java/xyz/valnet/engine/math/Vector2i.java

@@ -74,4 +74,9 @@ public class Vector2i implements Serializable {
     return new Vector2i(this.x + b.x, this.y + b.y);
   }
 
+  public Vector2i[] asArray() {
+    return new Vector2i[] {
+      this
+    };
+  }
 }

src/main/java/xyz/valnet/engine/scenegraph/GameObject.java

@@ -1,13 +1,16 @@
 package xyz.valnet.engine.scenegraph;
 
 import java.io.Serializable;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
 import xyz.valnet.engine.math.Vector2i;
 import xyz.valnet.engine.scenegraph.SceneGraph.GameObjectCallback;
+import xyz.valnet.hadean.interfaces.ISceneReferent;
 import xyz.valnet.hadean.util.Pair;
 
-public class GameObject implements IRenderable, ITickable, Serializable {
+public class GameObject implements IRenderable, ITickable, Serializable, ISceneReferent {
   private transient SceneGraph scene;
 
   private boolean created = false;
@@ -41,26 +44,6 @@ public class GameObject implements IRenderable, ITickable, Serializable {
     return obj;
   }
 
-  @Override
-  public void render() {}
-  
-  @Override
-  public void renderAlpha() {}
-
-  @Override
-  public void update(float dTime) {}
-
-  // call order goes from top to bottom \/\/\/
-  // ready is called before scene linkage, and serves to initialize
-  // values that may be needed before incoming requests.
-  protected void ready() {}
-  // connect is solely for ensuring links to other objects. get() and getAll()
-  protected void connect() {}
-  // create is guaranteed to only run once for an object, even after save/load
-  protected void create() {} 
-  // start is called any time the object is added to a scene
-  protected void start() {}
-
   public final void addedToScene() {
     connect();
     if(!created) {
@@ -94,19 +77,50 @@ public class GameObject implements IRenderable, ITickable, Serializable {
     return scene.getFPS();
   }
 
-  protected void onAddGameObject(GameObjectCallback listener) {
+  protected final void onAddGameObject(GameObjectCallback listener) {
     scene.registerAddListener(listener);
   }
 
-  protected void onRemoveGameObject(GameObjectCallback listener) {
+  protected final void onRemoveGameObject(GameObjectCallback listener) {
     scene.registerRemoveListener(listener);
   }
 
-  protected Vector2i getBufferDimensions() {
+  protected final Vector2i getBufferDimensions() {
     return scene.getBufferDimensions();
   }
 
-  protected void beforeRemoved() {}
+  private final Set<GameObjectCallback> removedListeners = new HashSet<>();
 
-  protected void afterRemoved() {}
+  @Override
+  public final void onRemoved(GameObjectCallback listener) {
+    removedListeners.add(listener);
+  }
+
+  protected final void finalized() {
+    for(var listener : removedListeners) {
+      listener.apply(this);
+    }
+  }
+
+  protected void cleanup() {}
+  
+  @Override
+  public void render() {}
+  
+  @Override
+  public void renderAlpha() {}
+
+  @Override
+  public void update(float dTime) {}
+
+  // call order goes from top to bottom \/\/\/
+  // ready is called before scene linkage, and serves to initialize
+  // values that may be needed before incoming requests.
+  protected void ready() {}
+  // connect is solely for ensuring links to other objects. get() and getAll()
+  protected void connect() {}
+  // create is guaranteed to only run once for an object, even after save/load
+  protected void create() {} 
+  // start is called any time the object is added to a scene
+  protected void start() {}
 }

src/main/java/xyz/valnet/engine/scenegraph/SceneGraph.java

@@ -23,9 +23,9 @@ import xyz.valnet.hadean.gameobjects.ui.tabs.DebugTab;
 import xyz.valnet.hadean.util.Pair;
 
 public abstract class SceneGraph implements IScene {
-  protected final List<GameObject> objects = new ArrayList<GameObject>();
-  private final List<GameObject> newObjects = new ArrayList<GameObject>();
-  private final List<GameObject> removeObjects = new ArrayList<GameObject>();
+  private final Set<GameObject> objects = new HashSet<GameObject>();
+  private final Set<GameObject> newObjects = new HashSet<GameObject>();
+  private final Set<GameObject> removeObjects = new HashSet<GameObject>();
 
   private IMouseCaptureArea hoveredMouseListener = null;
 
@@ -159,7 +159,11 @@ public abstract class SceneGraph implements IScene {
   @Override
   public void enable(Game game) {
     this.game = game;
-    this.construct();
+    Set<GameObject> scene = new HashSet<GameObject>();
+    this.construct(scene);
+
+    this.objects.clear();
+    this.objects.addAll(scene);
 
     for(GameObject obj : objects) {
       addObjectToCache(obj);
@@ -190,7 +194,7 @@ public abstract class SceneGraph implements IScene {
     }
   }
 
-  protected abstract void construct();
+  protected abstract void construct(Set<GameObject> scene);
   
   @Override
   public void disable() {
@@ -217,11 +221,11 @@ public abstract class SceneGraph implements IScene {
 
   public void remove(GameObject obj) {
     removeObjects.add(obj);
-    obj.beforeRemoved();
+    obj.cleanup();
     for(GameObjectCallback listener : onRemoveListeners) {
       listener.apply(obj);
     }
-    obj.afterRemoved();
+    obj.finalized();
   }
 
   public boolean inScene(GameObject gameObject) {

src/main/java/xyz/valnet/engine/util/SceneReference.java

@@ -0,0 +1,21 @@
+package xyz.valnet.engine.util;
+
+import java.lang.ref.WeakReference;
+
+import xyz.valnet.engine.scenegraph.GameObject;
+import xyz.valnet.hadean.interfaces.ISceneReferent;
+
+public class SceneReference<T extends ISceneReferent> extends WeakReference<T> {
+  public SceneReference(T ref) {
+    super(ref);
+    ref.onRemoved((GameObject obj) -> {
+      this.clear();
+    });
+  }
+
+  public String toString() {
+    var o = this.get();
+    if(o == null) return "";
+    return "[" + o.toString() + "]";
+  }
+}

src/main/java/xyz/valnet/hadean/enums/WorkType.java

@@ -1,13 +1,25 @@
 package xyz.valnet.hadean.enums;
 
+// TODO skills such as
+// upper body strength
+// lower body strength
+// finess
+// plant knowledge
+// construction knowledge
+
+// for now, this isnt meant to be any of that. simply categories for turning work on and off for pawns.
+
 public enum WorkType {
-  Construct("Construct"),
-  Farm("Till"),
-  Chop("Chop");
+  Basic("basic", "Work on"),
+  Construct("building", "Construct"),
+  Farm("farming", "Till"),
+  Chop("felling", "Chop");
 
   public final String verb;
+  public final String idString;
 
-  private WorkType(String verb) {
+  private WorkType(String idString, String verb) {
+    this.idString = idString;
     this.verb = verb;
   }
 }

src/main/java/xyz/valnet/hadean/functions/FCompleted.java

@@ -0,0 +1,8 @@
+package xyz.valnet.hadean.functions;
+
+import java.io.Serializable;
+
+@FunctionalInterface
+public interface FCompleted extends Serializable {
+  public void apply();
+}

src/main/java/xyz/valnet/hadean/functions/FGetPositions.java

@@ -0,0 +1,10 @@
+package xyz.valnet.hadean.functions;
+
+import java.io.Serializable;
+
+import xyz.valnet.engine.math.Vector2i;
+
+@FunctionalInterface
+public interface FGetPositions extends Serializable {
+  public Vector2i[] get();
+}

src/main/java/xyz/valnet/hadean/functions/FProgressEvent.java

@@ -0,0 +1,8 @@
+package xyz.valnet.hadean.functions;
+
+import java.io.Serializable;
+
+@FunctionalInterface
+public interface FProgressEvent extends Serializable {
+  public void progress(float progress);
+}

src/main/java/xyz/valnet/hadean/gameobjects/Camera.java

@@ -24,7 +24,7 @@ import static xyz.valnet.engine.util.Math.lerp;
 
 public class Camera extends GameObject implements ITransient, IMouseCaptureArea {
 
-  private int tileWidth = 32;
+  private int tileWidth = 16;
 
   private Vector2f focus = new Vector2f(0, 0);
 

src/main/java/xyz/valnet/hadean/gameobjects/jobs/Job.java

@@ -1,41 +1,79 @@
 package xyz.valnet.hadean.gameobjects.jobs;
 
+import xyz.valnet.engine.math.Vector2i;
+import xyz.valnet.engine.util.SceneReference;
+import xyz.valnet.hadean.gameobjects.worldobjects.agents.pawn.Pawn;
 import xyz.valnet.hadean.gameobjects.worldobjects.items.Item;
-import xyz.valnet.hadean.interfaces.IItemReceiver;
+import xyz.valnet.hadean.interfaces.DItemRequest;
+import xyz.valnet.hadean.interfaces.IDestination;
 import xyz.valnet.hadean.interfaces.IWorkable;
 
-// TODO create a subtype of job for jobs with
-// locations so pawn can generically path to it
-
 public sealed interface Job {
   record Work(
-    IWorkable workable
-  ) implements Job {
+    SceneReference<IWorkable> workable
+  ) implements Job, IDestination {
     @Override
     public String getShortDescription() {
-      return workable.getWorkType().verb + " " + workable.getWorkableName();
+      return workable.get().getWorkType().verb + " " + workable.get().getWorkableName();
+    }
+
+    @Override
+    public boolean isValidForWorker(Pawn worker) {
+      var workable = this.workable().get();
+      if(workable == null) return false;
+      if(workable.getWorkablePositions() == null) return false;
+      return true;
+    }
+
+    public Vector2i[] getWorkablePositions() {
+      var workable = this.workable().get();
+      if(workable == null) return new Vector2i[] {};
+      return workable.getDestinations();
+    }
+
+    public void doWork(float dTime) {
+      var workable = this.workable().get();
+      if(workable == null) return;
+      workable.doWork(dTime);
+    }
+
+    @Override
+    public Vector2i[] getDestinations() {
+      var workable = this.workable().get();
+      if(workable == null) return null;
+      return workable.getDestinations();
     }
   }
 
-  record Haul(
-    Item item,
-    IItemReceiver rcvr
+  record ItemRequest(
+    SceneReference<DItemRequest> recvr
   ) implements Job {
     @Override
     public String getShortDescription() {
-      return "Haul " + item.getName() + " to " + rcvr.getName();
+      return "Fulfilling " + recvr.get().getName() + " item Request";
+    }
+
+    @Override
+    public boolean isValidForWorker(Pawn worker) {
+      // TODO Auto-generated method stub
+      throw new UnsupportedOperationException("Unimplemented method 'isValidForWorker'");
+    }
+  }
+
+  record HaulToStockpile(
+    SceneReference<Item> item
+  ) implements Job {
+    @Override
+    public String getShortDescription() {
+      return "Haul " + item.get().getName() + " to stockpile";
+    }
+
+    @Override
+    public boolean isValidForWorker(Pawn worker) {
+      return item.get() != null;
     }
   }
 
   public String getShortDescription();
-
-  // private JobBoard board;
-
-  // public void connect(JobBoard board) {
-  //   this.board = boaard;
-  // }
-
-  // public void close() {
-  //   board.close(this);
-  // }
+  public boolean isValidForWorker(Pawn worker);
 }

src/main/java/xyz/valnet/hadean/gameobjects/jobs/JobBoard.java

@@ -1,34 +1,71 @@
 package xyz.valnet.hadean.gameobjects.jobs;
 
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.List;
 import java.util.Map;
-import java.util.Set;
 import java.util.Map.Entry;
+import java.util.Set;
 
 import xyz.valnet.engine.scenegraph.GameObject;
+import xyz.valnet.engine.util.SceneReference;
 import xyz.valnet.hadean.gameobjects.ui.tabs.DebugTab;
 import xyz.valnet.hadean.gameobjects.worldobjects.agents.pawn.Pawn;
+import xyz.valnet.hadean.gameobjects.worldobjects.items.Item;
+import xyz.valnet.hadean.interfaces.DItemRequest;
 import xyz.valnet.hadean.interfaces.IWorkable;
 
 public class JobBoard extends GameObject {
 
   private Set<Job> availableJobs = new HashSet<Job>();
-  private List<Job> toRemove = new ArrayList<Job>();
-  private Map<Pawn, Job> allocations = new HashMap<Pawn, Job>();
+  // private Set<Job> toRemove = new HashSet<Job>();
+  // private Map<Pawn, Job> allocations = new HashMap<Pawn, Job>();
 
-  public Job postJob(Job job) {
+  public Job post(Job job) {
     availableJobs.add(job);
     return job;
   }
 
   public Job post(IWorkable workable) {
-    var job = new Job.Work(workable);
-    return postJob(job);
+    SceneReference<IWorkable> ref = new SceneReference<IWorkable>(workable);
+    var job = new Job.Work(ref);
+    return post(job);
   }
 
+  public Job post(Item item) {
+    var job = new Job.HaulToStockpile(item.asRef());
+    return post(job);
+  }
+
+  public Job post(DItemRequest request) {
+    var job = new Job.ItemRequest(request.asRef());
+    return post(job);
+  }
+
+  public void rescind(Job job) {
+    if(!availableJobs.contains(job)) return;
+    availableJobs.remove(job);
+  }
+
+
+
+  // === migrate it may be idk
+
+  public Job takeJob(Pawn worker) {
+    if(availableJobs.isEmpty()) return null;
+
+    Job[] jobs = new Job[availableJobs.size()];
+    availableJobs.toArray(jobs);
+    Job job =  jobs[(int) (Math.floor(Math.random() * jobs.length))];
+
+    DebugTab.log("" + worker.getName() + " took job: " + job.getShortDescription());
+
+    // allocations.put(worker, job);
+    availableJobs.remove(job);
+
+    return job;
+  }
+
+
 
   // ================= lawl old shit
   
@@ -62,40 +99,40 @@ public class JobBoard extends GameObject {
 
   @Deprecated
   public String getTakenJobs() {
-    String str = "";
-    for(Entry<Pawn, Job> allocation : allocations.entrySet()) {
-      str += "  " + allocation.getKey().getName() + ": " + allocation.getValue().getShortDescription() + "\n";
-    }
+    String str = "Unknown for now, as jobboard does not track taken jobs.";
+    // for(Entry<Pawn, Job> allocation : allocations.entrySet()) {
+    //   str += "  " + allocation.getKey().getName() + ": " + allocation.getValue().getShortDescription() + "\n";
+    // }
     return str;
   }
 
-  public void close(Job job) {
-    if(allocations.values().contains(job)) {
-      Set<Pawn> workers = new HashSet<>();
-      for(var entry : allocations.entrySet()) {
-        if(entry.getValue() == job) workers.add(entry.getKey());
-      }
-      for(var worker : workers) {
-        worker.cancelJob(job);
-      }
-    }
-  }
+  // public void close(Job job) {
+  //   if(allocations.values().contains(job)) {
+  //     Set<Pawn> workers = new HashSet<>();
+  //     for(var entry : allocations.entrySet()) {
+  //       if(entry.getValue() == job) workers.add(entry.getKey());
+  //     }
+  //     for(var worker : workers) {
+  //       worker.cancelJob(job);
+  //     }
+  //   }
+  // }
 
-  public class ENoJobsAvailable extends Error {}
+  // public class ENoJobsAvailable extends Error {}
 
-  public Job takeJob(Pawn worker) {
-    if(availableJobs.size() == 0) return null;
+  // public Job takeJob(Pawn worker) {
+  //   if(availableJobs.size() == 0) return null;
 
-    Job[] jobs = new Job[availableJobs.size()];
-    availableJobs.toArray(jobs);
-    Job   job =  jobs[(int) (Math.floor(Math.random() * jobs.length))];
+  //   Job[] jobs = new Job[availableJobs.size()];
+  //   availableJobs.toArray(jobs);
+  //   Job   job =  jobs[(int) (Math.floor(Math.random() * jobs.length))];
 
-    DebugTab.log("" + worker.getName() + " took job: " + job.getShortDescription());
+  //   DebugTab.log("" + worker.getName() + " took job: " + job.getShortDescription());
 
-    allocations.put(worker, job);
-    availableJobs.remove(job);
+  //   allocations.put(worker, job);
+  //   availableJobs.remove(job);
 
-    return job;
-  }
+  //   return job;
+  // }
 
 }

src/main/java/xyz/valnet/hadean/gameobjects/jobs/SimpleWorkable.java

@@ -1,57 +0,0 @@
-package xyz.valnet.hadean.gameobjects.jobs;
-
-import java.io.Serializable;
-
-import xyz.valnet.engine.math.Vector2i;
-import xyz.valnet.hadean.interfaces.IWorkable;
-
-public class SimpleWorkable implements IWorkable {
-
-  private final String name;
-  private float work = 0;
-  private float MAX_WORK = 0;
-  private IProgressUpdateCallback callback;
-  private IGetPositionsFunction positions;
-  private final WorkType workType;
-
-  @FunctionalInterface
-  public interface IGetPositionsFunction extends Serializable {
-    public Vector2i[] get();
-  }
-
-  @FunctionalInterface
-  public interface IProgressUpdateCallback extends Serializable {
-    public void progress(float progress);
-  }
-
-  public SimpleWorkable(String name, float maxWork, WorkType type, IGetPositionsFunction positionsFunction, IProgressUpdateCallback callback) {
-    this.name = name;
-    this.MAX_WORK = maxWork;
-    this.positions = positionsFunction;
-    this.callback = callback;
-    this.workType = type;
-  }
-
-  @Override
-  public boolean doWork(float dTime) {
-    work += dTime;
-    callback.progress(work / MAX_WORK);
-    return work >= MAX_WORK;
-  }
-
-  @Override
-  public Vector2i[] getWorkablePositions() {
-    return positions.get();
-  }
-
-  @Override
-  public final String getWorkableName() {
-    return name;
-  }
-
-  @Override
-  public WorkType getWorkType() {
-    return workType;
-  }
-  
-}

src/main/java/xyz/valnet/hadean/gameobjects/jobs/WorkOrder.java

@@ -7,7 +7,7 @@ import xyz.valnet.engine.math.Vector2i;
 import xyz.valnet.engine.scenegraph.GameObject;
 import xyz.valnet.hadean.gameobjects.worldobjects.items.Boulder;
 import xyz.valnet.hadean.gameobjects.worldobjects.items.Item;
-import xyz.valnet.hadean.interfaces.IItemReceiver;
+import xyz.valnet.hadean.interfaces.DItemRequest;
 import xyz.valnet.hadean.interfaces.IWorkshop;
 
 public class WorkOrder extends GameObject {
@@ -72,29 +72,29 @@ public class WorkOrder extends GameObject {
   }
 
   public Job createNextJob(IWorkshop shop) {
-    Job job = new Job("Cut brickies");
-    job.addStep(job.new PickupItemByPredicate(Boulder.BOULDER_PREDICATE));
-    job.addStep(job.new DropoffPredicateAtItemReceiver(new IItemReceiver() {
-      @Override
-      public boolean receive(Item item) {
+    return null;
+    // Job job = new Job("Cut brickies");
+    // job.addStep(job.new PickupItemByPredicate(Boulder.BOULDER_PREDICATE));
+    // job.addStep(job.new DropoffPredicateAtItemReceiver(new IItemReceiver() {
+    //   @Override
+    //   public boolean receive(Item item) {
         
-        return false;
-      }
+    //     return false;
+    //   }
 
-      @Override
-      public Vector2i[] getItemDropoffLocations() {
-        return shop.getWorkablePositions();
-      }
-    }, Boulder.BOULDER_PREDICATE));
-    job.addStep(job.new Work(shop));
-    job.registerCompletedListener(() -> {
-      decreaseCount();
-
-    });
-    job.registerClosedListener(() -> {
-      relatedJobs.remove(job);
-    });
-    get(JobBoard.class).postJob(job);
-    return job;
+    //   @Override
+    //   public Vector2i[] getItemDropoffLocations() {
+    //     return shop.getWorkablePositions();
+    //   }
+    // }, Boulder.BOULDER_PREDICATE));
+    // job.addStep(job.new Work(shop));
+    // job.registerCompletedListener(() -> {
+    //   decreaseCount();
+    // });
+    // job.registerClosedListener(() -> {
+    //   relatedJobs.remove(job);
+    // });
+    // get(JobBoard.class).post(job);
+    // return job;
   }
 }

src/main/java/xyz/valnet/hadean/gameobjects/jobs/Workable.java

@@ -0,0 +1,76 @@
+package xyz.valnet.hadean.gameobjects.jobs;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import xyz.valnet.engine.math.Vector2i;
+import xyz.valnet.engine.scenegraph.SceneGraph.GameObjectCallback;
+import xyz.valnet.hadean.enums.WorkType;
+import xyz.valnet.hadean.functions.FGetPositions;
+import xyz.valnet.hadean.functions.FProgressEvent;
+import xyz.valnet.hadean.functions.FCompleted;
+import xyz.valnet.hadean.interfaces.ISceneReferent;
+import xyz.valnet.hadean.interfaces.IWorkable;
+
+public class Workable implements IWorkable {
+
+  private final String name;
+  private float work = 0;
+  private float MAX_WORK = 0;
+  private FProgressEvent progressCallback;
+  private FGetPositions positions;
+  private final WorkType workType;
+  private ISceneReferent linkedSceneObject;
+  private Set<FCompleted> completedCallback = new HashSet<>();
+
+  public Workable(String name, float maxWork, WorkType type, FGetPositions positionsFunction, FProgressEvent progressCallback, ISceneReferent linkedSceneObject) {
+    this.name = name;
+    this.MAX_WORK = maxWork;
+    this.positions = positionsFunction;
+    this.progressCallback = progressCallback;
+    this.workType = type;
+    this.linkedSceneObject = linkedSceneObject;
+  }
+
+  public void onCompleted(FCompleted cb) {
+    completedCallback.add(cb);
+  }
+
+  private void finished() {
+    for(var cb : completedCallback)
+      cb.apply();
+  }
+
+  @Override
+  public boolean doWork(float dTime) {
+    if (work >= MAX_WORK) return true;
+    work += dTime;
+    progressCallback.progress(work / MAX_WORK);
+    if (work >= MAX_WORK) {
+      finished();
+      return true;
+    }
+    return false;
+  }
+
+  @Override
+  public Vector2i[] getWorkablePositions() {
+    return positions.get();
+  }
+
+  @Override
+  public final String getWorkableName() {
+    return name;
+  }
+
+  @Override
+  public WorkType getWorkType() {
+    return workType;
+  }
+
+  @Override
+  public void onRemoved(GameObjectCallback callback) {
+    linkedSceneObject.onRemoved(callback);
+  }
+  
+}

src/main/java/xyz/valnet/hadean/gameobjects/jobs/WorkableBuilder.java

@@ -0,0 +1,74 @@
+package xyz.valnet.hadean.gameobjects.jobs;
+
+import xyz.valnet.engine.math.Vector2i;
+import xyz.valnet.hadean.enums.WorkType;
+import xyz.valnet.hadean.functions.FGetPositions;
+import xyz.valnet.hadean.functions.FProgressEvent;
+import xyz.valnet.hadean.functions.FCompleted;
+import xyz.valnet.hadean.interfaces.ISceneReferent;
+
+public class WorkableBuilder {
+  private String name = "work area";
+  private float maxWork = 1000;
+  private WorkType type = WorkType.Basic;
+  private FGetPositions getPositionsFunction;
+  private FProgressEvent progressUpdateCallback;
+  private FCompleted completed;
+  private ISceneReferent linked;
+
+  public WorkableBuilder(ISceneReferent linked) {
+    this.linked = linked;
+  }
+
+  public WorkableBuilder type(WorkType t) {
+    type = t;
+    return this;
+  }
+
+  public WorkableBuilder work(float f) {
+    maxWork = f;
+    return this;
+  }
+
+  public WorkableBuilder progress(FProgressEvent f) {
+    this.progressUpdateCallback = f;
+    return this;
+  }
+
+  public WorkableBuilder name(String n) {
+    name = n;
+    return this;
+  }
+
+  public WorkableBuilder positions(Vector2i[] poss) {
+    getPositionsFunction = () -> {
+      return poss;
+    };
+    return this;
+  }
+
+  public WorkableBuilder position(Vector2i pos) {
+    var arr = pos.asArray();
+    getPositionsFunction = () -> {
+      return arr;
+    };
+    return this;
+  }
+
+  public WorkableBuilder positions(FGetPositions f) {
+    getPositionsFunction = f;
+    return this;
+  }
+
+  public WorkableBuilder completed(FCompleted f) {
+    this.completed = f;
+    return this;
+  }
+
+  public Workable build() {
+    var o = new Workable(name, maxWork, type, getPositionsFunction, progressUpdateCallback, linked);
+    o.onCompleted(completed);
+    return o;
+  }
+
+}

src/main/java/xyz/valnet/hadean/gameobjects/terrain/Terrain.java

@@ -11,7 +11,7 @@ import xyz.valnet.hadean.pathfinding.IPathable;
  
 public class Terrain extends GameObject implements IPathable, IWorldBoundsAdapter {
 
-  public static final int WORLD_SIZE = 24;
+  public static final int WORLD_SIZE = 48;
   public static final int TILE_SIZE = 8;
   // public static int left, top;
 

src/main/java/xyz/valnet/hadean/gameobjects/terrain/Tile.java

@@ -8,6 +8,7 @@ import xyz.valnet.engine.math.Vector2i;
 import xyz.valnet.engine.math.Vector4i;
 import xyz.valnet.engine.scenegraph.GameObject;
 import xyz.valnet.hadean.HadeanGame;
+import xyz.valnet.hadean.enums.WorkType;
 import xyz.valnet.hadean.gameobjects.worldobjects.Tree;
 import xyz.valnet.hadean.gameobjects.worldobjects.WorldObject;
 import xyz.valnet.hadean.gameobjects.worldobjects.items.Boulder;

src/main/java/xyz/valnet/hadean/gameobjects/ui/BottomBar.java

@@ -8,6 +8,7 @@ import java.util.Map;
 import xyz.valnet.engine.math.Vector2i;
 import xyz.valnet.engine.scenegraph.GameObject;
 import xyz.valnet.engine.scenegraph.ITransient;
+import xyz.valnet.hadean.gameobjects.ui.tabs.DebugTab;
 import xyz.valnet.hadean.input.Button;
 import xyz.valnet.hadean.input.IButtonListener;
 import xyz.valnet.hadean.input.SimpleButton;
@@ -16,18 +17,11 @@ import xyz.valnet.hadean.util.Layers;
 
 public class BottomBar extends GameObject implements IButtonListener, ITransient {
   public static final int bottomBarHeight = 32;
-  private int screenWidth = 1024;
 
   private Map<Button, IBottomBarItem> btnItemTable = new HashMap<Button, IBottomBarItem>();
 
   private List<IBottomBarItem> items = new ArrayList<IBottomBarItem>();
 
-  @Override
-  public void start() {
-    items.clear();
-    clearButtons();
-  }
-
   public void registerButton(IBottomBarItem newItem) {
     Vector2i screen = getBufferDimensions();
     clearButtons();
@@ -41,6 +35,7 @@ public class BottomBar extends GameObject implements IButtonListener, ITransient
 
       int w = r - l;
       Button btn = new SimpleButton(item.getTabName(), l, screen.y - bottomBarHeight, w, bottomBarHeight, Layers.BOTTOM_BAR);
+      // Button btn = new SimpleButton(item.getTabName(), 100 * i, 100, 100, 100, Layers.BOTTOM_BAR);
       if(item.isButtonClickSilent()) btn = btn.setClickSound(false);
       btn.registerClickListener(this);
       add(btn);

src/main/java/xyz/valnet/hadean/gameobjects/ui/SelectionUI.java

@@ -79,7 +79,6 @@ public class SelectionUI extends ImmediateUI implements ISelectionChangeListener
     updateActionsFlag = false;
     for(ISelectable selectable : selected) {
       for(Action action : selectable.getActions()) {
-        DebugTab.log(action.name);
         actions.add(action);
       }
     }

src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Tree.java

@@ -58,7 +58,7 @@ public class Tree extends WorldObject implements ISelectable, IWorkable {
       if(chopJob == null) {
         chopJob = get(JobBoard.class).post(this);
       } else {
-        get(JobBoard.class).close(chopJob);
+        get(JobBoard.class).rescind(chopJob);
         chopJob = null;
       }
     }
@@ -111,8 +111,8 @@ public class Tree extends WorldObject implements ISelectable, IWorkable {
   }
 
   @Override
-  protected void beforeRemoved() {
-    super.beforeRemoved();
+  protected void cleanup() {
+    super.cleanup();
     Vector2i pos = getWorldPosition().xy();
     add(new Log(pos.x, pos.y));
   }

src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/WorldObject.java

@@ -129,7 +129,7 @@ public abstract class WorldObject extends GameObject implements IWorldObject {
   }
 
   @Override
-  protected void beforeRemoved() {
+  protected void cleanup() {
     for(Tile tile : this.getTiles()) {
       tile.removeThing(this);
     }

src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/agents/Agent.java

@@ -16,7 +16,7 @@ import xyz.valnet.engine.shaders.SimpleShader;
 import xyz.valnet.hadean.HadeanGame;
 import xyz.valnet.hadean.gameobjects.ui.tabs.DebugTab;
 import xyz.valnet.hadean.gameobjects.worldobjects.WorldObject;
-import xyz.valnet.hadean.interfaces.IDestinationProvider;
+import xyz.valnet.hadean.interfaces.IDestination;
 import xyz.valnet.hadean.interfaces.ISelectable;
 import xyz.valnet.hadean.pathfinding.AStarPathfinder;
 import xyz.valnet.hadean.pathfinding.IPathfinder;
@@ -100,14 +100,14 @@ public abstract class Agent extends WorldObject implements ISelectable {
   }
 
   private Path path;
-  private IDestinationProvider dsts;
+  private IDestination dsts;
 
   public void stopPathing() {
     path = null;
     dsts = null;
   }
 
-  public boolean goTo(IDestinationProvider location) {
+  public boolean goTo(IDestination location) {
     if(isAnimating()) {
       stopPathing();
       dsts = location;
@@ -133,7 +133,7 @@ public abstract class Agent extends WorldObject implements ISelectable {
       
     } while (terrain.isOutOfBounds(random.x, random.y));
     
-    goTo(new IDestinationProvider.SingleDestination(random));
+    goTo(new IDestination.Single(random));
   }
 
   @Override
@@ -212,6 +212,10 @@ public abstract class Agent extends WorldObject implements ISelectable {
 
   protected abstract void idle(float dTime);
 
+  protected boolean isPathing() {
+    return dsts != null;
+  }
+
   public Vector2f getCalculatedPosition() {
     if(!isAnimating())
       return getWorldPosition().xy().asFloat();

src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/agents/pawn/Pawn.java

@@ -11,14 +11,16 @@ import xyz.valnet.engine.util.Names;
 import xyz.valnet.hadean.HadeanGame;
 import xyz.valnet.hadean.gameobjects.jobs.Job;
 import xyz.valnet.hadean.gameobjects.jobs.JobBoard;
-import xyz.valnet.hadean.gameobjects.jobs.JobBoard.ENoJobsAvailable;
 import xyz.valnet.hadean.gameobjects.terrain.Terrain;
 import xyz.valnet.hadean.gameobjects.worldobjects.agents.Agent;
 import xyz.valnet.hadean.gameobjects.worldobjects.items.Item;
 import xyz.valnet.hadean.util.Action;
 import xyz.valnet.hadean.util.Assets;
 import xyz.valnet.hadean.util.Layers;
+import xyz.valnet.hadean.util.detail.BooleanDetail;
 import xyz.valnet.hadean.util.detail.Detail;
+import xyz.valnet.hadean.util.detail.ObjectDetail;
+import xyz.valnet.hadean.util.detail.PercentDetail;
 
 public class Pawn extends Agent {
 
@@ -29,23 +31,28 @@ public class Pawn extends Agent {
   private Job currentJob = null;
 
   private void doWorkJob(Job.Work workJob, float dTime) {
-    if(!this.getWorldPosition().xy().isOneOf(workJob.workable().getDestinations())) {
-      if(goTo(workJob.workable())) {
+    if(!this.getWorldPosition().xy().isOneOf(workJob.getWorkablePositions())) {
+      if(goTo(workJob)) {
         return;
       } else {
         cancelJob(currentJob);
       }
     }
-    workJob.workable().doWork(dTime);
+    workJob.doWork(dTime);
   }
 
-  private void doHaulJob(Job.Haul haulJob, float dTime) {
-
+  private void doHaulToStockpileJob(Job.HaulToStockpile haulJob, float dTime) {
+    if(inventory.contains(haulJob.item().get()))
   }
 
   private void doJob(float dTime) {
-    if(currentJob instanceof Job.Haul haul) {
-      doHaulJob(haul, dTime);
+    if(!currentJob.isValidForWorker(this)) {
+      get(JobBoard.class).post(currentJob);
+      currentJob = null;
+      return;
+    }
+    if(currentJob instanceof Job.HaulToStockpile haul) {
+      doHaulToStockpileJob(haul, dTime);
     } else if (currentJob instanceof Job.Work work) {
       doWorkJob(work, dTime);
     }
@@ -99,7 +106,15 @@ public class Pawn extends Agent {
 
   @Override
   public Detail[] getDetails() {
-    return new Detail[] {};
+    // return needs.getDetails();
+    Detail[] details = new Detail[] {
+      // new ObjectDetail<Activity>("Activity", currentActivity),
+      new BooleanDetail("Pathing", isPathing()),
+      new ObjectDetail<String>("Job", currentJob == null ? "null" : currentJob.toString()),
+      new ObjectDetail<Integer>("Inventory", inventory.size())
+    };
+
+    return details;
   }
 
   @Override

src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Construction.java

@@ -6,13 +6,14 @@ import java.util.List;
 import xyz.valnet.engine.graphics.Color;
 import xyz.valnet.engine.graphics.Sprite;
 import xyz.valnet.engine.math.Vector2i;
+import xyz.valnet.engine.scenegraph.SceneGraph.GameObjectCallback;
 import xyz.valnet.hadean.enums.BuildType;
 import xyz.valnet.hadean.gameobjects.jobs.Job;
 import xyz.valnet.hadean.gameobjects.jobs.JobBoard;
 import xyz.valnet.hadean.gameobjects.worldobjects.Buildable;
 import xyz.valnet.hadean.gameobjects.worldobjects.items.Item;
 import xyz.valnet.hadean.interfaces.IItemPredicate;
-import xyz.valnet.hadean.interfaces.IItemReceiver;
+import xyz.valnet.hadean.interfaces.DItemRequest;
 import xyz.valnet.hadean.interfaces.IWorkable;
 import xyz.valnet.hadean.util.Action;
 import xyz.valnet.hadean.util.Assets;
@@ -31,32 +32,64 @@ public abstract class Construction extends Buildable {
     return containedItems.size() >= getBuildingMaterialCount();
   }
 
+  private void onItem(Item item) {
+    containedItems.add(item);
+    postNextJob();
+  }
+
   private void postNextJob() {
     if(!isBuildingMaterialSatisfied()) {
-      Job job = get(JobBoard.class).postSimpleItemRequirementJob(
-        "Haul items to building",
-        getBuildingMaterial(),
-        new IItemReceiver() {
 
-          @Override
-          public final boolean receive(Item item) {
-            if(item == null) return false;
-            if(!item.matches(getBuildingMaterial())) return false;
-            remove(item);
-            containedItems.add(item);
-            return true;
-          }
+      var itemRequest = new DItemRequest(this, "Haul items to building")
+          .accepts(getBuildingMaterial())
+          .positions(getSelectionWorldBox().getBorders())
+          .handleItem((item) -> onItem(item));
 
-          @Override
-          public Vector2i[] getItemDropoffLocations() {
-            return getSelectionWorldBox().getBorders();
-          }
+      var job = get(JobBoard.class).post(itemRequest);
+      // TODO -> job.onCompleted(postNextJob();)
 
-        }
-      );
-      job.registerClosedListener(() -> {
-        postNextJob();
-      });
+      // Job job = get(JobBoard.class).postSimpleItemRequirementJob(
+      //   "Haul items to building",
+      //   getBuildingMaterial(),
+      //   new DItemRequest() {
+
+      //     @Override
+      //     public final boolean receive(Item item) {
+      //       if(item == null) return false;
+      //       if(!item.matches(getBuildingMaterial())) return false;
+      //       remove(item);
+      //       containedItems.add(item);
+      //       return true;
+      //     }
+        
+      //     @Override
+      //     public Vector2i[] getItemDropoffLocations() {
+      //       return getSelectionWorldBox().getBorders();
+      //     }
+
+      //     @Override
+      //     public void onRemoved(GameObjectCallback callback) {
+      //       // TODO Auto-generated method stub
+      //       throw new UnsupportedOperationException("Unimplemented method 'onRemoved'");
+      //     }
+
+      //     @Override
+      //     public String getName() {
+      //       // TODO Auto-generated method stub
+      //       throw new UnsupportedOperationException("Unimplemented method 'getName'");
+      //     }
+
+      //     @Override
+      //     public IItemPredicate acceptedItems() {
+      //       // TODO Auto-generated method stub
+      //       throw new UnsupportedOperationException("Unimplemented method 'acceptedItems'");
+      //     }
+          
+      //   }
+      // );
+      // job.registerClosedListener(() -> {
+      //   postNextJob();
+      // });
       return;
     }
     if(!isBuilt()) {

src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Quarry.java

@@ -4,7 +4,7 @@ import xyz.valnet.engine.graphics.Sprite;
 import xyz.valnet.engine.math.Vector2i;
 import xyz.valnet.hadean.gameobjects.jobs.Job;
 import xyz.valnet.hadean.gameobjects.jobs.JobBoard;
-import xyz.valnet.hadean.gameobjects.jobs.SimpleWorkable;
+import xyz.valnet.hadean.gameobjects.jobs.WorkableBuilder;
 import xyz.valnet.hadean.gameobjects.worldobjects.items.Boulder;
 import xyz.valnet.hadean.interfaces.IItemPredicate;
 import xyz.valnet.hadean.util.Assets;
@@ -25,22 +25,39 @@ public class Quarry extends Construction {
     if (digJob != null) return;
     if (terrain.getTile(getWorldPosition().xy().south().east()).has(Boulder.class)) return;
 
-    digJob = get(JobBoard.class).post(new SimpleWorkable("Mine at Quarry", 5000, () -> {
-      return new Vector2i[] {
-        getWorldPosition().xy().south().east()
-      };
-    }, (progress) -> {
-      digProgress = progress;
-    }));
-
-    digJob.registerClosedListener(() -> {
+    var workable = new WorkableBuilder(this)
+        .name("Quarry")
+        .position(getWorldPosition().xy().south().east())
+        .work(5000)
+        .progress((p) -> digProgress = p)
+        .completed(() -> {
           digProgress = 0;
           Vector2i dropPos = getWorldPosition().xy().south().east();
           Boulder boulder = new Boulder(dropPos.x, dropPos.y);
           add(boulder);
           boulder.runAction(Boulder.HAUL);
           digJob = null;
-    });
+        })
+        .build();
+
+    digJob = get(JobBoard.class).post(workable);
+
+    // digJob = get(JobBoard.class).post(new SimpleWorkable("Mine at Quarry", 5000, () -> {
+    //   return new Vector2i[] {
+    //     getWorldPosition().xy().south().east()
+    //   };
+    // }, (progress) -> {
+    //   digProgress = progress;
+    // }));
+
+    // digJob.registerClosedListener(() -> {
+    //   digProgress = 0;
+    //   Vector2i dropPos = getWorldPosition().xy().south().east();
+    //   Boulder boulder = new Boulder(dropPos.x, dropPos.y);
+    //   add(boulder);
+    //   boulder.runAction(Boulder.HAUL);
+    //   digJob = null;
+    // });
   }
 
   @Override
@@ -79,7 +96,7 @@ public class Quarry extends Construction {
     super.render();
     if(!isBuilt()) return;
 
-    if(digJob != null && !digJob.isCompleted() && digProgress > 0) {
+    if(digJob != null && digProgress > 0) {
       camera.drawProgressBar(digProgress, getSelectionWorldBox());
     }
   }

src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/items/Boulder.java

@@ -8,7 +8,17 @@ import xyz.valnet.hadean.util.detail.Detail;
 
 public class Boulder extends Item {
 
-  public static IItemPredicate BOULDER_PREDICATE = (item) -> (item instanceof Boulder);
+  public static IItemPredicate BOULDER_PREDICATE = new IItemPredicate() {
+    @Override
+    public String getName() {
+      return "Boulder";
+    }
+
+    @Override
+    public boolean matches(Item item) {
+      return item instanceof Boulder;
+    }
+  };
 
   public Boulder(int x, int y) {
     setPosition(x, y);

src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/items/Item.java

@@ -2,20 +2,26 @@ package xyz.valnet.hadean.gameobjects.worldobjects.items;
 
 import xyz.valnet.engine.math.Vector2i;
 import xyz.valnet.engine.math.Vector4i;
+import xyz.valnet.engine.util.SceneReference;
 import xyz.valnet.hadean.gameobjects.jobs.Job;
 import xyz.valnet.hadean.gameobjects.jobs.JobBoard;
 import xyz.valnet.hadean.gameobjects.worldobjects.WorldObject;
 import xyz.valnet.hadean.interfaces.IItemPredicate;
+import xyz.valnet.hadean.interfaces.ISceneReferent;
 import xyz.valnet.hadean.interfaces.ISelectable;
 import xyz.valnet.hadean.util.Action;
 import xyz.valnet.hadean.util.Assets;
 import xyz.valnet.hadean.util.Layers;
 
-public abstract class Item extends WorldObject implements ISelectable {
+public abstract class Item extends WorldObject implements ISelectable, ISceneReferent {
   protected JobBoard jobboard;
 
   private Job haulJob = null;
 
+  public final SceneReference<Item> asRef() {
+    return new SceneReference<Item>(this);
+  }
+
   @Override
   protected void connect() {
     super.connect();
@@ -67,19 +73,14 @@ public abstract class Item extends WorldObject implements ISelectable {
 
   private void cancelHaul() {
     if(haulJob == null) return;
-    haulJob.close();
+    jobboard.rescind(haulJob);
     haulJob = null;
   }
 
   private void markForHaul() {
     if(haulJob != null) return;
-    haulJob = add(new Job("Haul " + this.getName()));
-    haulJob.addStep(haulJob.new PickupItem(this));
-    haulJob.addStep(haulJob.new DropoffAtStockpile(this));
-    haulJob.registerClosedListener(() -> {
-      haulJob = null;
-    });
-    jobboard.postJob(haulJob);
+    var j = new Job.HaulToStockpile(asRef());
+    jobboard.post(j);
   }
 
   public void destroy() {
@@ -105,4 +106,8 @@ public abstract class Item extends WorldObject implements ISelectable {
   public void setPosition(int x, int y, int w, int h) {
     super.setPosition(x, y, w, h);
   }
+
+  public String toString() {
+    return getGenericName();
+  }
 }

src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/items/Log.java

@@ -13,7 +13,19 @@ import xyz.valnet.hadean.util.detail.Detail;
 // when placed in a non stockpile, not just on create.
 public class Log extends Item {
 
-  public static IItemPredicate LOG_PREDICATE = (item) -> (item instanceof Log);
+  public static IItemPredicate LOG_PREDICATE = new IItemPredicate() {
+
+    @Override
+    public boolean matches(Item item) {
+      return item instanceof Log;
+    }
+
+    @Override
+    public String getName() {
+      return "Any Log";
+    }
+    
+  };
 
   public Log(int x, int y) {
     setPosition(x, y);

src/main/java/xyz/valnet/hadean/interfaces/DItemRequest.java

@@ -0,0 +1,92 @@
+package xyz.valnet.hadean.interfaces;
+
+import java.io.Serializable;
+import java.util.HashSet;
+import java.util.Set;
+
+import xyz.valnet.engine.math.Vector2i;
+import xyz.valnet.engine.scenegraph.SceneGraph.GameObjectCallback;
+import xyz.valnet.engine.util.SceneReference;
+import xyz.valnet.hadean.functions.FGetPositions;
+import xyz.valnet.hadean.gameobjects.worldobjects.items.Item;
+
+public class DItemRequest implements ISceneReferent, Serializable {
+
+  @FunctionalInterface
+  public interface FItemHandler {
+    public void give(Item item);
+  }
+
+  private ISceneReferent linked;
+  private String name = "Default Request Name";
+  private IItemPredicate acceptedItems = IItemPredicate.NONE;
+  private FItemHandler itemHandler;
+  private FGetPositions positionsFn = () -> new Vector2i[] {};
+
+  public DItemRequest(ISceneReferent linked, String name) {
+    this.linked = linked;
+  }
+
+  // === fluent API
+
+  public DItemRequest accepts(IItemPredicate accepts) {
+    acceptedItems = accepts;
+    return this;
+  }
+
+  public DItemRequest handleItem(FItemHandler handler) {
+    itemHandler = handler;
+    return this;
+  }
+
+  public DItemRequest positions(Vector2i[] poss) {
+    positionsFn = () -> {
+      return poss;
+    };
+    return this;
+  }
+
+  public DItemRequest position(Vector2i pos) {
+    var arr = pos.asArray();
+    positionsFn = () -> {
+      return arr;
+    };
+    return this;
+  }
+
+  public DItemRequest positions(FGetPositions f) {
+    positionsFn = f;
+    return this;
+  }
+
+
+
+  // === public API
+
+  public Vector2i[] getLocations() {
+    return positionsFn.get();
+  }
+
+  public final boolean accepts(Item i) {
+    return acceptedItems.matches(i);
+  }
+
+  public void give(Item item) {
+    if(!accepts(item)) throw new Error("Unaccepted Item given to receiver!");
+    itemHandler.give(item);
+    item.destroy();
+  }
+
+  @Override
+  public void onRemoved(GameObjectCallback callback) {
+    linked.onRemoved(callback);
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public SceneReference<DItemRequest> asRef() {
+    return new SceneReference<DItemRequest>(this);
+  }
+}

src/main/java/xyz/valnet/hadean/interfaces/IDestination.java

@@ -0,0 +1,21 @@
+package xyz.valnet.hadean.interfaces;
+
+import xyz.valnet.engine.math.Vector2i;
+
+public interface IDestination {
+  public Vector2i[] getDestinations();
+
+  record Single(Vector2i dst) implements IDestination {
+    @Override
+    public Vector2i[] getDestinations() {
+      return new Vector2i[] { dst };
+    }
+  }
+
+  record Many(Vector2i[] dsts) implements IDestination {
+    @Override
+    public Vector2i[] getDestinations() {
+      return dsts;
+    }
+  }
+}

src/main/java/xyz/valnet/hadean/interfaces/IDestinationProvider.java

@@ -1,16 +0,0 @@
-package xyz.valnet.hadean.interfaces;
-
-import xyz.valnet.engine.math.Vector2i;
-
-public interface IDestinationProvider {
-  public Vector2i[] getDestinations();
-
-  record SingleDestination(Vector2i dst) implements IDestinationProvider {
-
-    @Override
-    public Vector2i[] getDestinations() {
-      return new Vector2i[] { dst };
-    }
-    
-  }
-}

src/main/java/xyz/valnet/hadean/interfaces/IItemPredicate.java

@@ -4,7 +4,20 @@ import java.io.Serializable;
 
 import xyz.valnet.hadean.gameobjects.worldobjects.items.Item;
 
-@FunctionalInterface
 public interface IItemPredicate extends Serializable {
   public boolean matches(Item item);
+  public String getName();
+
+  public static IItemPredicate NONE = new IItemPredicate() {
+
+    @Override
+    public boolean matches(Item item) {
+      return false;
+    }
+
+    @Override
+    public String getName() {
+      return "Nothing";
+    }
+  };
 }

src/main/java/xyz/valnet/hadean/interfaces/IItemReceiver.java

@@ -1,20 +0,0 @@
-package xyz.valnet.hadean.interfaces;
-
-import java.io.Serializable;
-
-import xyz.valnet.engine.math.Vector2i;
-import xyz.valnet.hadean.gameobjects.worldobjects.items.Item;
-
-public interface IItemReceiver extends Serializable {
-  public boolean receive(Item item);
-  public Vector2i[] getItemDropoffLocations();
-  public String getName();
-
-  public default boolean give(Item item) {
-    if(receive(item)) {
-      item.destroy();
-      return true;
-    }
-    return false;
-  }
-}

src/main/java/xyz/valnet/hadean/interfaces/ISceneReferent.java

@@ -0,0 +1,7 @@
+package xyz.valnet.hadean.interfaces;
+
+import xyz.valnet.engine.scenegraph.SceneGraph.GameObjectCallback;
+
+public interface ISceneReferent {
+  public void onRemoved(GameObjectCallback callback);
+}

src/main/java/xyz/valnet/hadean/interfaces/IWorkable.java

@@ -3,9 +3,10 @@ package xyz.valnet.hadean.interfaces;
 import java.io.Serializable;
 
 import xyz.valnet.engine.math.Vector2i;
+import xyz.valnet.engine.util.SceneReference;
 import xyz.valnet.hadean.enums.WorkType;
 
-public interface IWorkable extends Serializable, IDestinationProvider {
+public interface IWorkable extends Serializable, IDestination, ISceneReferent {
   public WorkType getWorkType();
   public boolean doWork(float dTime);
   public Vector2i[] getWorkablePositions();
@@ -16,4 +17,7 @@ public interface IWorkable extends Serializable, IDestinationProvider {
     return getWorkablePositions();
   }
   
+  public default SceneReference<IWorkable> asRef() {
+    return new SceneReference<>(this);
+  }
 }

src/main/java/xyz/valnet/hadean/pathfinding/AStarPathfinder.java

@@ -7,7 +7,7 @@ import java.util.List;
 import java.util.Stack;
 
 import xyz.valnet.engine.math.Vector2i;
-import xyz.valnet.hadean.interfaces.IDestinationProvider;
+import xyz.valnet.hadean.interfaces.IDestination;
 
 public class AStarPathfinder implements IPathfinder, Serializable {
 
@@ -163,7 +163,7 @@ public class AStarPathfinder implements IPathfinder, Serializable {
   }
 
   @Override
-  public Path getBestPath(Vector2i src, IDestinationProvider provider) {
+  public Path getBestPath(Vector2i src, IDestination provider) {
 
     var dsts = provider.getDestinations();
 

src/main/java/xyz/valnet/hadean/pathfinding/IPathfinder.java

@@ -1,7 +1,7 @@
 package xyz.valnet.hadean.pathfinding;
 
 import xyz.valnet.engine.math.Vector2i;
-import xyz.valnet.hadean.interfaces.IDestinationProvider;
+import xyz.valnet.hadean.interfaces.IDestination;
 
 public interface IPathfinder {
   public Path getPath(int x1, int y1, int x2, int y2);
@@ -14,5 +14,5 @@ public interface IPathfinder {
   public default Path getPath(Vector2i u, Vector2i v) {
     return getPath(u.x, u.y, v.x, v.y);
   }
-  public Path getBestPath(Vector2i src, IDestinationProvider dsts);
+  public Path getBestPath(Vector2i src, IDestination dsts);
 }

src/main/java/xyz/valnet/hadean/scenes/GameScene.java

@@ -1,5 +1,8 @@
 package xyz.valnet.hadean.scenes;
 
+import java.util.Set;
+
+import xyz.valnet.engine.scenegraph.GameObject;
 import xyz.valnet.engine.scenegraph.SceneGraph;
 import xyz.valnet.engine.util.Names;
 import xyz.valnet.hadean.gameobjects.ui.BottomBar;
@@ -32,37 +35,34 @@ import xyz.valnet.hadean.gameobjects.worldobjects.agents.pawn.Pawn;
 public class GameScene extends SceneGraph {
 
   @Override
-  protected void construct() {
+  protected void construct(Set<GameObject> scene) {
 
     Names.loadNames();
     
-    objects.add(new Terrain());
-    objects.add(new Camera());
-    objects.add(new JobBoard());
-    objects.add(new Clock());
+    scene.add(new Terrain());
+    scene.add(new Camera());
+    scene.add(new JobBoard());
+    scene.add(new Clock());
 
     for(int i = 0; i < 1; i ++) {
-      objects.add(new Pawn());
+      scene.add(new Pawn());
     }
 
-    objects.add(new WorkOrderManager());
-    objects.add(new ExclusivityManager());
+    scene.add(new WorkOrderManager());
+    scene.add(new ExclusivityManager());
 
-    objects.add(new SelectionLayer());
-    objects.add(new BuildLayer());
+    scene.add(new SelectionLayer());
+    scene.add(new BuildLayer());
 
-    objects.add(new WorkshopOrdersUI());
-    objects.add(new SelectionUI());
+    scene.add(new WorkshopOrdersUI());
+    scene.add(new SelectionUI());
 
-    objects.add(new HoverQuery());
-
-    objects.add(new BottomBar());
-    objects.add(new BuildTab());
-    objects.add(new JobBoardTab());
-    objects.add(new DebugTab());
-    objects.add(new MenuTab());
-
-    // objects.add(new Popup());
+    scene.add(new HoverQuery());
 
+    scene.add(new BottomBar());
+    scene.add(new BuildTab());
+    scene.add(new JobBoardTab());
+    scene.add(new DebugTab());
+    scene.add(new MenuTab());
   }
 }