Attaching items to entity's bones

src/main/java/electrosphere/entity/EntityDataStrings.java

@@ -75,10 +75,27 @@ public class EntityDataStrings {
     public static final String DATA_STRING_COLLISION_ENTITY_TYPE_SPHERE = "collisionSphere";
     
     public static final String COLLISION_ENTITY_DATA_TYPE = "collisionDataType";
+    public static final String COLLISION_ENTITY_DATA_TYPE_HIT = "collisionDataTypeHit";
+    public static final String COLLISION_ENTITY_DATA_TYPE_HURT = "collisionDataTypeHurt";
     
     public static final String COLLISION_ENTITY_DATA_PARENT = "collisionDataParent";
     
     public static final String COLLISION_ENTITY_DATA_BONE = "collisionDataBone";
+    public static final String COLLISION_ENTITY_DATA_SIZE = "collisionSphereSize";
+    
+    
+    /*
+    Attach Entity
+    */
+    public static final String ATTACH_ENTITY_IS_ATTACHED = "attachIsAttached";
+    public static final String ATTACH_PARENT = "attachParent";
+    public static final String ATTACH_TARGET_BONE = "attachTargetBone";
+    
+    /*
+    Item Entity
+    */
+    public static final String ITEM_IS_ITEM = "itemIsItem";
+    public static final String ITEM_TYPE = "itemType";
     
     
 }

src/main/java/electrosphere/entity/EntityManager.java

@@ -17,6 +17,8 @@ public class EntityManager {
     static CopyOnWriteArrayList<Entity> moveableList = new CopyOnWriteArrayList();
     static CopyOnWriteArrayList<Entity> lightList = new CopyOnWriteArrayList();
     static CopyOnWriteArrayList<Entity> uiList = new CopyOnWriteArrayList();
+    static CopyOnWriteArrayList<Entity> itemList = new CopyOnWriteArrayList();
+    static CopyOnWriteArrayList<Entity> attachList = new CopyOnWriteArrayList();
     
     public EntityManager(){
         
@@ -59,6 +61,22 @@ public class EntityManager {
         return uiList;
     }
     
+    public void registerItemEntity(Entity e){
+        itemList.add(e);
+    }
+    
+    public CopyOnWriteArrayList<Entity> getItemEntities(){
+        return itemList;
+    }
+    
+    public void registerAttachedEntity(Entity e){
+        attachList.add(e);
+    }
+    
+    public CopyOnWriteArrayList<Entity> getAttachedEntities(){
+        return attachList;
+    }
+    
     public void deregisterEntity(Entity e){
         if(lightList.contains(e)){
             lightList.remove(e);
@@ -76,6 +94,9 @@ public class EntityManager {
         if(uiList.contains(e)){
             uiList.remove(e);
         }
+        if(itemList.contains(e)){
+            itemList.remove(e);
+        }
     }
     
     public void overrideEntityId(Entity e, int id){

src/main/java/electrosphere/entity/types/creature/CreatureUtils.java

@@ -44,7 +44,7 @@ public class CreatureUtils {
         CreatureType rawType = Globals.entityTypeMap.get(creatureId);
         Entity rVal = EntityUtils.spawnDrawableEntity(rawType.getModelPath());
         for(HitboxData hitboxdata : rawType.getHitboxes()){
-            Globals.hitboxManager.registerHitbox(HitboxUtils.spawnRegularHitbox(rVal, hitboxdata.getBone()));
+            Globals.hitboxManager.registerHitbox(HitboxUtils.spawnRegularHitbox(rVal, hitboxdata.getBone(), hitboxdata.getSize()));
         }
         rVal.putData(EntityDataStrings.DATA_STRING_CREATURE_IS_CREATURE, true);
         rVal.putData(EntityDataStrings.DATA_STRING_CREATURE_TYPE, creatureId);

src/main/java/electrosphere/entity/types/creature/creaturemap/HitboxData.java

@@ -7,6 +7,7 @@ package electrosphere.entity.types.creature.creaturemap;
 public class HitboxData {
     String type;
     String bone;
+    float size;
 
     public String getType() {
         return type;
@@ -16,5 +17,9 @@ public class HitboxData {
         return bone;
     }
     
+    public float getSize() {
+        return size;
+    }
+    
     
 }

src/main/java/electrosphere/entity/types/hitbox/HitboxUtils.java

@@ -15,10 +15,20 @@ import org.joml.Vector4f;
 public class HitboxUtils {
     
     
-    public static Entity spawnRegularHitbox(Entity parent, String bone){
+    public static Entity spawnRegularHitbox(Entity parent, String bone, float size){
         Entity rVal = new Entity();
         rVal.putData(EntityDataStrings.COLLISION_ENTITY_DATA_PARENT, parent);
         rVal.putData(EntityDataStrings.COLLISION_ENTITY_DATA_BONE, bone);
+        rVal.putData(EntityDataStrings.COLLISION_ENTITY_DATA_SIZE,size);
+        rVal.putData(EntityDataStrings.DATA_STRING_POSITION, new Vector3f(0,0,0));
+        return rVal;
+    }
+    
+    public static Entity spawnRegularHurtbox(Entity parent, String bone, float size){
+        Entity rVal = new Entity();
+        rVal.putData(EntityDataStrings.COLLISION_ENTITY_DATA_PARENT, parent);
+        rVal.putData(EntityDataStrings.COLLISION_ENTITY_DATA_BONE, bone);
+        rVal.putData(EntityDataStrings.COLLISION_ENTITY_DATA_SIZE,size);
         rVal.putData(EntityDataStrings.DATA_STRING_POSITION, new Vector3f(0,0,0));
         return rVal;
     }

src/main/java/electrosphere/entity/types/item/ItemUtils.java

@@ -0,0 +1,45 @@
+package electrosphere.entity.types.item;
+
+import electrosphere.entity.Entity;
+import electrosphere.entity.EntityDataStrings;
+import electrosphere.entity.EntityUtils;
+import electrosphere.entity.state.MovementTree;
+import electrosphere.entity.types.creature.creaturemap.CreatureType;
+import electrosphere.entity.types.creature.creaturemap.HitboxData;
+import electrosphere.entity.types.hitbox.HitboxUtils;
+import electrosphere.main.Globals;
+import electrosphere.renderer.Actor;
+import electrosphere.renderer.Model;
+import org.joml.Quaternionf;
+import org.joml.Vector3f;
+
+/**
+ *
+ * @author amaterasu
+ */
+public class ItemUtils {
+    public static Entity spawnBasicItem(int itemId){
+        CreatureType rawType = Globals.entityTypeMap.get(itemId);
+        Entity rVal = EntityUtils.spawnDrawableEntity(rawType.getModelPath());
+        for(HitboxData hitboxdata : rawType.getHitboxes()){
+            Globals.hitboxManager.registerHitbox(HitboxUtils.spawnRegularHitbox(rVal, hitboxdata.getBone(), hitboxdata.getSize()));
+        }
+        rVal.putData(EntityDataStrings.ITEM_IS_ITEM, true);
+        rVal.putData(EntityDataStrings.ITEM_TYPE, itemId);
+        rVal.putData(EntityDataStrings.DATA_STRING_SCALE, new Vector3f(0.005f,0.005f,0.005f));
+        rVal.putData(EntityDataStrings.DATA_STRING_ROTATION, new Quaternionf().identity().rotateY((float)(-Math.PI/2)).rotateZ(-(float)(Math.PI/2)));
+        Globals.entityManager.registerItemEntity(rVal);
+        return rVal;
+    }
+    
+    public static void updateItemActorAnimation(Entity item){
+        Actor actor = EntityUtils.getEntityActor(item);
+        if(actor.getCurrentAnimation() == null){
+//            Model model;
+//            if((model = Globals.assetManager.fetchModel(actor.getModelPath()))!=null){
+//                model.describeAllAnimations();
+//            }
+            actor.playAnimation("Sword|Idle");
+        }
+    }
+}

src/main/java/electrosphere/game/state/AliveManager.java

@@ -0,0 +1,33 @@
+package electrosphere.game.state;
+
+import electrosphere.entity.Entity;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ *
+ * @author amaterasu
+ */
+public class AliveManager {
+    List<Entity> aliveList = new ArrayList();
+    List<Entity> deadList = new ArrayList();
+    List<Entity> invulnerableList = new ArrayList();
+    
+    public List<Entity> getAliveEntities(){
+        return aliveList;
+    }
+    
+    public List<Entity> getDeadEntities(){
+        return deadList;
+    }
+    
+    public List<Entity> getInvulnerableEntities(){
+        return invulnerableList;
+    }
+    
+    
+    public void registerAliveEntity(Entity e){
+        aliveList.add(e);
+    }
+    
+}

src/main/java/electrosphere/game/state/AttachUtils.java

@@ -0,0 +1,42 @@
+package electrosphere.game.state;
+
+import electrosphere.entity.Entity;
+import electrosphere.entity.EntityDataStrings;
+import electrosphere.entity.EntityUtils;
+import electrosphere.main.Globals;
+import electrosphere.renderer.Actor;
+import org.joml.Quaternionf;
+import org.joml.Vector3f;
+
+/**
+ *
+ * @author amaterasu
+ */
+public class AttachUtils {
+    
+    
+    public static void attachEntityToEntityAtBone(Entity parent, Entity toAttach, String boneName){
+        Globals.entityManager.registerAttachedEntity(toAttach);
+        toAttach.putData(EntityDataStrings.ATTACH_ENTITY_IS_ATTACHED, true);
+        toAttach.putData(EntityDataStrings.ATTACH_PARENT, parent);
+        toAttach.putData(EntityDataStrings.ATTACH_TARGET_BONE, boneName);
+    }
+    
+    public static void updateAttachedEntityPositions(){
+        for(Entity currentEntity : Globals.entityManager.getAttachedEntities()){
+            Entity parent;
+            if((parent = (Entity)currentEntity.getData(EntityDataStrings.ATTACH_PARENT))!=null){
+                String targetBone;
+                if((targetBone = (String)currentEntity.getData(EntityDataStrings.ATTACH_TARGET_BONE))!=null){
+                    Actor parentActor = EntityUtils.getEntityActor(parent);
+                    Vector3f position = new Vector3f(parentActor.getBonePosition(targetBone));
+                    position = position.mul(((Vector3f)EntityUtils.getEntityScale(parent)));
+                    position = position.rotate(((Quaternionf)EntityUtils.getEntityRotation(parent)));
+                    position.add(new Vector3f(EntityUtils.getEntityPosition(parent)));
+                    EntityUtils.getEntityPosition(currentEntity).set(position);
+                    EntityUtils.getEntityRotation(currentEntity).add(EntityUtils.getEntityRotation(parent)).normalize();
+                }
+            }
+        }
+    }
+}

src/main/java/electrosphere/game/state/LoadingThread.java

@@ -6,6 +6,7 @@ import electrosphere.entity.Entity;
 import electrosphere.entity.EntityUtils;
 import electrosphere.entity.collision.CollisionEngine;
 import electrosphere.entity.types.creature.CreatureUtils;
+import electrosphere.entity.types.item.ItemUtils;
 import electrosphere.game.cell.DrawCellManager;
 import electrosphere.game.state.SimulationState.SimulationStateMachine;
 import electrosphere.game.terrain.TerrainManager;
@@ -379,6 +380,12 @@ public class LoadingThread extends Thread {
 //            EntityUtils.getEntityPosition(creature).set(rand.nextFloat() * 10, rand.nextFloat() * 10, rand.nextFloat() * 10);
 //            EntityUtils.getEntityScale(creature).set(0.01f);
 //        }
+
+        Entity sword = ItemUtils.spawnBasicItem(2);
+        Entity testHomie = CreatureUtils.spawnBasicCreature(0, 0.1f, 0.5f);
+        EntityUtils.getEntityScale(testHomie).set(0.005f);
+        EntityUtils.getEntityPosition(testHomie).set(2,0,2);
+        AttachUtils.attachEntityToEntityAtBone(testHomie, sword, "Bone.020");
     }
     
 

src/main/java/electrosphere/game/world/World.java

@@ -57,7 +57,7 @@ public class World {
         rVal.type = WorldType.GAME_WORLD;
         rVal.terrainManager = terrainManager;
         rVal.worldMinPoint = new Vector3f(0,0,0);
-        int worldDim = rVal.terrainManager.getWorldDiscreteSize();
+        int worldDim = rVal.terrainManager.getWorldDiscreteSize() * rVal.terrainManager.getChunkWidth();
         rVal.worldMaxPoint = new Vector3f(worldDim,0,worldDim);
         return rVal;
     }

src/main/java/electrosphere/main/Globals.java

@@ -18,6 +18,7 @@ import electrosphere.entity.types.creature.creaturemap.CreatureType;
 import electrosphere.entity.types.creature.creaturemap.CreatureTypeList;
 import electrosphere.entity.types.hitbox.HitboxManager;
 import electrosphere.game.cell.DrawCellManager;
+import electrosphere.game.state.AliveManager;
 import electrosphere.game.state.LoadingThread;
 import electrosphere.game.terrain.TerrainManager;
 import electrosphere.game.world.World;
@@ -185,6 +186,9 @@ public class Globals {
     //ui text box for loading text
     public static TextBox loadingBox;
     
+    //life status entity manager
+    public static AliveManager aliveManager;
+    
     
     //the player camera entity
     public static Entity playerCamera;
@@ -225,6 +229,8 @@ public class Globals {
         widgetManager = new WidgetManager();
         //hitbox manager
         hitboxManager = new HitboxManager();
+        //alive manager
+        aliveManager = new AliveManager();
     }
     
     public static void initDefaultGraphicalResources(){

src/main/java/electrosphere/main/Main.java

@@ -16,7 +16,9 @@ import electrosphere.entity.EntityDataStrings;
 import electrosphere.entity.EntityUtils;
 import electrosphere.entity.state.MovementTree;
 import electrosphere.entity.types.hitbox.HitboxUtils;
+import electrosphere.entity.types.item.ItemUtils;
 import electrosphere.game.cell.DrawCellManager;
+import electrosphere.game.state.AttachUtils;
 import electrosphere.game.state.LoadingThread;
 import electrosphere.game.state.SimulationState;
 import electrosphere.game.state.SimulationState.SimulationStateMachine;
@@ -210,6 +212,12 @@ public class Main {
             ///    C L I E N T    S I M U L A T I O N    S T U F F
             ///
             if(SimulationState.simulationState == SimulationStateMachine.MAIN_SIMULATION || SimulationState.simulationState == SimulationStateMachine.ARENA_SIMULATION){
+                //make items play idle animation
+                for(Entity item : Globals.entityManager.getItemEntities()){
+                    ItemUtils.updateItemActorAnimation(item);
+                }
+                //update attached entity positions
+                AttachUtils.updateAttachedEntityPositions();
                 //simulate creature behavior trees
                 for(Entity currentMoveable : Globals.entityManager.getMoveable()){
                     MovementTree behaviorTree = CreatureUtils.getEntityMovementTree(currentMoveable);

src/main/java/electrosphere/net/server/ServerConnectionHandler.java

@@ -3,6 +3,8 @@ package electrosphere.net.server;
 import electrosphere.entity.types.creature.CreatureUtils;
 import electrosphere.entity.Entity;
 import electrosphere.entity.EntityUtils;
+import electrosphere.entity.types.item.ItemUtils;
+import electrosphere.game.state.AttachUtils;
 import electrosphere.main.Globals;
 import electrosphere.main.Main;
 import electrosphere.net.NetUtils;
@@ -88,6 +90,10 @@ public class ServerConnectionHandler implements Runnable {
         Entity newPlayerCharacter = CreatureUtils.spawnBasicCreature(0, 0.001f, 0.05f);
         EntityUtils.getEntityScale(newPlayerCharacter).set(0.005f);
         EntityUtils.getEntityPosition(newPlayerCharacter).set(Globals.spawnPoint.x,Globals.drawCellManager.getElevationAtRealPoint(Globals.spawnPoint.x, Globals.spawnPoint.z),Globals.spawnPoint.z);
+        //spawn player sword
+        Entity sword = ItemUtils.spawnBasicItem(2);
+        AttachUtils.attachEntityToEntityAtBone(newPlayerCharacter, sword, "Bone.020");
+        //set controller id
         CreatureUtils.setControllerPlayerId(newPlayerCharacter, playerID);
         if(Globals.mainConfig.runServer && Main.playerId == -1){
             Globals.playerCharacter = newPlayerCharacter;

src/main/java/electrosphere/renderer/Actor.java

@@ -111,9 +111,7 @@ public class Actor {
                 model.playAnimation(animation);
                 model.incrementTime(0.001);
                 model.incrementTime(animationTime);
-                if(model.currentAnimation == null){
-                    playingAnimation = false;
-                }
+                model.update_node_transform(model.root_anim_node);
                 Bone currentBone = model.boneMap.get(boneName);
                 if(currentBone != null){
                     Vector4f result = currentBone.final_transform.transform(new Matrix4f(currentBone.inverseBindPoseMatrix).invert().transform(new Vector4f(rVal.x,rVal.y,rVal.z,1)));

src/main/java/electrosphere/renderer/RenderUtils.java

@@ -1,8 +1,3 @@
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
 package electrosphere.renderer;
 
 import electrosphere.entity.CameraEntityUtils;
@@ -685,7 +680,7 @@ public class RenderUtils {
                 modelTransformMatrix.identity();
                 modelTransformMatrix.translate(new Vector3f(position).sub(CameraEntityUtils.getCameraCenter(Globals.playerCamera)).sub(new Vector3f(0,1,0)));
 //                modelTransformMatrix.translate(-0.25f, 0.0f, 0.5f); //center sphere
-                modelTransformMatrix.scale(0.1f);
+                modelTransformMatrix.scale((Float)currentHitbox.getData(EntityDataStrings.COLLISION_ENTITY_DATA_SIZE));
                 hitboxModel.modelMatrix = modelTransformMatrix;
                 hitboxModel.draw();
             }

src/main/resources/Data/entity_map.json

@@ -5,7 +5,36 @@
             "modelPath" : "Models/person1walkanim.fbx",
             "hitboxes" : [
                 {
-                    "bone": "Bone.031"
+                    "bone": "Bone.031",
+                    "size": 0.08
+                },
+                {
+                    "bone": "Bone.017",
+                    "size": 0.08
+                },
+                {
+                    "bone": "Bone.012",
+                    "size": 0.08
+                },
+                {
+                    "bone": "Bone.003",
+                    "size": 0.08
+                },
+                {
+                    "bone": "Bone.010",
+                    "size": 0.11
+                },
+                {
+                    "bone": "Bone.001",
+                    "size": 0.11
+                },
+                {
+                    "bone": "Bone",
+                    "size": 0.15
+                },
+                {
+                    "bone": "Bone.014",
+                    "size": 0.12
                 }
             ]
         },
@@ -13,6 +42,24 @@
             "id" : 1,
             "modelPath" : "",
             "hitboxes" : []
+        },
+        {
+            "id" : 2,
+            "modelPath" : "Models/katana1alt.fbx",
+            "hitboxes" : [
+                {
+                    "bone": "Blade1",
+                    "size": 0.08
+                },
+                {
+                    "bone": "Blade2",
+                    "size": 0.08
+                },
+                {
+                    "bone": "Blade3",
+                    "size": 0.08
+                }
+            ]
         }
     ]
 }

src/main/resources/Textures/default_texture_map.json

@@ -23,6 +23,12 @@
                 "Textures/transparent_blue.png",
                 "Textures/transparent_blue.png"
             ]
+        },
+        "Models/katana1.fbx": {
+            "SwordMesh":  [
+                "Textures/katana1.png",
+                "Textures/katana1.png"
+            ]
         }
     }
 }