dual-hand equipping animation logic

assets/Data/creatures/human.json

@@ -253,10 +253,33 @@
                     "equippedAnimation" : {
                         "nameThirdPerson" : "Idle1",
                         "nameFirstPerson" : "Idle",
-                        "priorityCategory"  : "MODIFIER_MAX",
+                        "priorityCategory"  : "MODIFIER_HIGH",
                         "boneGroups" : ["handRight"]
                     }
                 },
+                {
+                    "equipPointId" : "handsCombined",
+                    "bone" : "Hand.R",
+                    "firstPersonBone" : "hand.R",
+                    "offsetVectorFirstPerson" : [-0.01,-0.05,-0.10],
+                    "offsetVectorThirdPerson" : [0.02,-0.06,0],
+                    "offsetRotationThirdPerson" : [-0.334,0.145,-0.28,0.89],
+                    "offsetRotationFirstPerson" : [0.02,-0.977,-0.211,-0.005],
+                    "canBlock" : true,
+                    "equipClassWhitelist" : [
+                        "tool",
+                        "weapon2H",
+                        "item"
+                    ],
+                    "equippedAnimation" : {
+                        "nameThirdPerson" : "HoldItemR2H",
+                        "nameFirstPerson" : "HoldItemR2H",
+                        "priorityCategory"  : "MODIFIER_HIGH",
+                        "boneGroups" : ["armLeft", "armRight", "handLeft", "handRight"]
+                    },
+                    "isCombinedPoint": true,
+                    "subPoints" : ["handLeft","handRight"]
+                },
                 {
                     "equipPointId" : "Torso",
                     "bone" : "Bone",
@@ -301,6 +324,24 @@
                                 "itemClassEquipped" : "weapon"
                             }
                         ]
+                    },
+                    {
+                        "variantId": "block2H",
+                        "mainAnimation" : {
+                            "nameThirdPerson": "HoldItemR2HBlock",
+                            "nameFirstPerson": "HoldItemR2HBlock",
+                            "priorityCategory": "MOVEMENT_MODIFIER",
+                            "boneGroups" : ["armLeft", "armRight", "handLeft", "handRight"]
+                        },
+                        "mainAudio" : {
+                            "audioPath" : "Audio/weapons/swordUnsheath1.ogg"
+                        },
+                        "defaults" : [
+                            {
+                                "equipPoint" : "handsCombined",
+                                "itemClassEquipped" : "weapon2H"
+                            }
+                        ]
                     }
                 ]
             },

assets/Data/items.json

@@ -78,7 +78,7 @@
                 ]
             },
             "equipData": {
-                "equipClass" : "weapon"
+                "equipClass" : "weapon2H"
             },
             "tokens" : [
                 "GRAVITY",

src/main/java/electrosphere/client/sim/ClientSimulation.java

@@ -92,7 +92,7 @@ public class ClientSimulation {
         //
         //update audio engine
         Globals.profiler.beginCpuSample("audio engine update");
-        if(Globals.audioEngine!=null){
+        if(Globals.audioEngine != null && Globals.audioEngine.initialized() && Globals.virtualAudioSourceManager != null){
             Globals.audioEngine.update();
             Globals.virtualAudioSourceManager.update((float)Globals.timekeeper.getSimFrameTime());
         }

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

@@ -188,9 +188,9 @@ public class Main {
         // }
         
         //create the audio context
+        Globals.audioEngine = new AudioEngine();
         if(Globals.RUN_CLIENT && !Globals.HEADLESS && Globals.RUN_AUDIO){
             Globals.virtualAudioSourceManager = new VirtualAudioSourceManager();
-            Globals.audioEngine = new AudioEngine();
             Globals.audioEngine.init();
             Globals.audioEngine.listAllDevices();
             Globals.initDefaultAudioResources();

src/main/java/electrosphere/entity/btree/StateTransitionUtil.java

@@ -127,12 +127,12 @@ public class StateTransitionUtil {
                 if(parent == Globals.playerEntity && !Globals.controlHandler.cameraIsThirdPerson() && animation != null){
                     //first person
                     //play first person audio
-                    if(audioData != null && audioData.getAudioPath() != null){
+                    if(Globals.audioEngine.initialized() && audioData != null && audioData.getAudioPath() != null){
                         Globals.virtualAudioSourceManager.createVirtualAudioSource(audioData.getAudioPath(), VirtualAudioSourceType.CREATURE, false);
                     }
                 } else {
                     //play third person audio
-                    if(audioData != null && audioData.getAudioPath() != null){
+                    if(Globals.audioEngine.initialized() && audioData != null && audioData.getAudioPath() != null){
                         Globals.virtualAudioSourceManager.createVirtualAudioSource(audioData.getAudioPath(), VirtualAudioSourceType.CREATURE, false, EntityUtils.getPosition(parent));
                     }
                 }
@@ -151,7 +151,7 @@ public class StateTransitionUtil {
             //Play animation in first person
             //
             if(animation != null){
-                FirstPersonTree.conditionallyPlayAnimation(Globals.firstPersonEntity, animation);
+                FirstPersonTree.conditionallyPlayAnimation(parent, animation);
             }
         }
     }
@@ -303,21 +303,6 @@ public class StateTransitionUtil {
         //Tracks whether the animation has been played or not
         boolean startedAnimation = false;
 
-
-        /**
-         * Gets the animation priority
-         * @return The animation priority
-         */
-        int getAnimationPriority(){
-            int priority = AnimationPriorities.getValue(AnimationPriorities.DEFAULT);
-            if(animation != null && animation.getPriority() != null){
-                priority = animation.getPriority();
-            } else if(getAnimation != null && getAnimation.get().getPriority() != null){
-                priority = getAnimation.get().getPriority();
-            }
-            return priority;
-        }
-
         /**
          * Constructor
          */

src/main/java/electrosphere/entity/state/attack/ClientAttackTree.java

@@ -246,7 +246,7 @@ public class ClientAttackTree implements BehaviorTree {
                         entityActor.incrementAnimationTime(0.0001);
                     }
                     FirstPersonTree.conditionallyPlayAnimation(
-                        Globals.firstPersonEntity,
+                        parent,
                         currentMove.getAnimationWindup()
                     );
                 }
@@ -261,7 +261,7 @@ public class ClientAttackTree implements BehaviorTree {
                         entityActor.incrementAnimationTime(0.0001);
                     }
                     FirstPersonTree.conditionallyPlayAnimation(
-                        Globals.firstPersonEntity,
+                        parent,
                         currentMove.getAnimationHold()
                     );
                 }
@@ -276,7 +276,7 @@ public class ClientAttackTree implements BehaviorTree {
                         entityActor.incrementAnimationTime(0.0001);
                     }
                     FirstPersonTree.conditionallyPlayAnimation(
-                        Globals.firstPersonEntity,
+                        parent,
                         currentMove.getAnimationAttack()
                     );
                 }

src/main/java/electrosphere/entity/state/block/ClientBlockTree.java

@@ -8,6 +8,7 @@ import electrosphere.entity.btree.BehaviorTree;
 import electrosphere.entity.btree.StateTransitionUtil;
 import electrosphere.entity.btree.StateTransitionUtil.StateTransitionUtilItem;
 import electrosphere.game.data.creature.type.block.BlockSystem;
+import electrosphere.game.data.creature.type.block.BlockVariant;
 import electrosphere.net.synchronization.BehaviorTreeIdEnums;
 
 import electrosphere.net.synchronization.annotation.SyncedField;
@@ -55,20 +56,62 @@ public class ClientBlockTree implements BehaviorTree {
         this.stateTransitionUtil = StateTransitionUtil.create(parent, false, new StateTransitionUtilItem[]{
             StateTransitionUtilItem.create(
                 BlockState.WIND_UP,
-                () -> {return this.blockSystem.getBlockVariant(this.currentBlockVariant).getWindUpAnimation();},
+                () -> {
-                () -> {return this.blockSystem.getBlockVariant(this.currentBlockVariant).getWindUpAudio();},
+                    BlockVariant variant = this.blockSystem.getBlockVariant(this.currentBlockVariant);
+                    if(variant == null){
+                        return null;
+                    } else {
+                        return variant.getWindUpAnimation();
+                    }
+                },
+                () -> {
+                    BlockVariant variant = this.blockSystem.getBlockVariant(this.currentBlockVariant);
+                    if(variant == null){
+                        return null;
+                    } else {
+                        return variant.getWindUpAudio();
+                    }
+                },
                 null
             ),
             StateTransitionUtilItem.create(
                 BlockState.BLOCKING,
-                () -> {return this.blockSystem.getBlockVariant(this.currentBlockVariant).getMainAnimation();},
+                () -> {
-                () -> {return this.blockSystem.getBlockVariant(this.currentBlockVariant).getMainAudio();},
+                    BlockVariant variant = this.blockSystem.getBlockVariant(this.currentBlockVariant);
+                    if(variant == null){
+                        return null;
+                    } else {
+                        return variant.getMainAnimation();
+                    }
+                },
+                () -> {
+                    BlockVariant variant = this.blockSystem.getBlockVariant(this.currentBlockVariant);
+                    if(variant == null){
+                        return null;
+                    } else {
+                        return variant.getMainAudio();
+                    }
+                },
                 null
             ),
             StateTransitionUtilItem.create(
                 BlockState.COOLDOWN,
-                () -> {return this.blockSystem.getBlockVariant(this.currentBlockVariant).getCooldownAnimation();},
+                () -> {
-                () -> {return this.blockSystem.getBlockVariant(this.currentBlockVariant).getCooldownAudio();},
+                    BlockVariant variant = this.blockSystem.getBlockVariant(this.currentBlockVariant);
+                    if(variant == null){
+                        return null;
+                    } else {
+                        return variant.getCooldownAnimation();
+                    }
+                },
+                () -> {
+                    BlockVariant variant = this.blockSystem.getBlockVariant(this.currentBlockVariant);
+                    if(variant == null){
+                        return null;
+                    } else {
+                        return variant.getCooldownAudio();
+                    }
+                },
                 null
             ),
         });

src/main/java/electrosphere/entity/state/client/firstPerson/FirstPersonTree.java

@@ -145,8 +145,8 @@ public class FirstPersonTree implements BehaviorTree {
      * @param priority The priority of the animation
      */
     public static void conditionallyPlayAnimation(Entity entity, String animationName, int priority){
-        if(entity != null && FirstPersonTree.hasTree(entity)){
+        if(entity != null && entity == Globals.playerEntity && FirstPersonTree.hasTree(Globals.firstPersonEntity)){
-            FirstPersonTree.getTree(entity).playAnimation(animationName, priority);
+            FirstPersonTree.getTree(Globals.firstPersonEntity).playAnimation(animationName, priority);
         }
     }
 
@@ -156,8 +156,8 @@ public class FirstPersonTree implements BehaviorTree {
      * @param animationName the name of the animation
      */
     public static void conditionallyPlayAnimation(Entity entity, TreeDataAnimation animation){
-        if(entity != null && FirstPersonTree.hasTree(entity)){
+        if(entity != null && entity == Globals.playerEntity && FirstPersonTree.hasTree(Globals.firstPersonEntity)){
-            FirstPersonTree.getTree(entity).playAnimation(animation);
+            FirstPersonTree.getTree(Globals.firstPersonEntity).playAnimation(animation);
         }
     }
     

src/main/java/electrosphere/entity/state/equip/ClientEquipState.java

@@ -16,10 +16,12 @@ import electrosphere.entity.EntityDataStrings;
 import electrosphere.entity.EntityTags;
 import electrosphere.entity.EntityUtils;
 import electrosphere.entity.btree.BehaviorTree;
+import electrosphere.entity.state.client.firstPerson.FirstPersonTree;
 import electrosphere.entity.state.gravity.GravityUtils;
 import electrosphere.entity.types.attach.AttachUtils;
 import electrosphere.entity.types.creature.CreatureUtils;
 import electrosphere.entity.types.item.ItemUtils;
+import electrosphere.game.data.common.TreeDataAnimation;
 import electrosphere.game.data.creature.type.equip.EquipPoint;
 import electrosphere.game.data.item.type.EquipWhitelist;
 import electrosphere.logger.LoggerInterface;
@@ -405,9 +407,23 @@ public class ClientEquipState implements BehaviorTree {
 
     @Override
     public void simulate(float deltaTime) {
-
+        Actor thirdPersonActor = EntityUtils.getActor(parent);
-        
+        //play animations for equip points that have items equipped
-
+        for(EquipPoint point : this.equipPoints){
+            if(this.hasEquippedAtPoint(point.getEquipPointId()) && point.getEquippedAnimation() != null){
+                TreeDataAnimation animation = point.getEquippedAnimation();
+                //play third person
+                if(!thirdPersonActor.isPlayingAnimation() || !thirdPersonActor.isPlayingAnimation(animation)){
+                    if(animation != null){
+                        thirdPersonActor.playAnimation(animation,true);
+                    }
+                    thirdPersonActor.incrementAnimationTime(0.0001);
+                }
+                
+                //play first person
+                FirstPersonTree.conditionallyPlayAnimation(parent, animation);
+            }
+        }
     }
     
     

src/main/java/electrosphere/entity/state/equip/ServerEquipState.java

@@ -31,6 +31,7 @@ import electrosphere.game.data.creature.type.block.BlockSystem;
 import electrosphere.game.data.creature.type.block.BlockVariant;
 import electrosphere.game.data.creature.type.equip.EquipPoint;
 import electrosphere.game.data.item.type.EquipWhitelist;
+import electrosphere.logger.LoggerInterface;
 import electrosphere.net.parser.net.message.InventoryMessage;
 import electrosphere.net.parser.net.message.NetworkMessage;
 import electrosphere.net.server.player.Player;
@@ -411,7 +412,11 @@ public class ServerEquipState implements BehaviorTree {
 
                     //TODO: refactor to allow sending more than one variant at a time
                     //ie if you have two items equipped and you want to block with both
-                    blockTree.setCurrentBlockVariant(blockVariant.getVariantId());
+                    if(blockVariant != null){
+                        blockTree.setCurrentBlockVariant(blockVariant.getVariantId());
+                    } else {
+                        LoggerInterface.loggerEngine.ERROR(new IllegalStateException("Equipped item to equip point that does not have assigned block variant!!"));
+                    }
                 }
             }
         }

src/main/java/electrosphere/entity/state/idle/ClientIdleTree.java

@@ -93,7 +93,7 @@ public class ClientIdleTree implements BehaviorTree {
                         entityActor.playAnimation(idleData.getAnimation(),true);
                         entityActor.incrementAnimationTime(0.0001);
                     }
-                    FirstPersonTree.conditionallyPlayAnimation(Globals.firstPersonEntity, idleData.getAnimation());
+                    FirstPersonTree.conditionallyPlayAnimation(parent, idleData.getAnimation());
                 }
                 break;
             case NOT_IDLE:

src/main/java/electrosphere/entity/state/inventory/RelationalInventoryState.java

@@ -8,6 +8,7 @@ import java.util.Map;
 import electrosphere.entity.Entity;
 import electrosphere.entity.types.item.ItemUtils;
 import electrosphere.game.data.creature.type.equip.EquipPoint;
+import electrosphere.logger.LoggerInterface;
 
 public class RelationalInventoryState {
     
@@ -80,6 +81,12 @@ public class RelationalInventoryState {
         return null;
     }
 
+    /**
+     * Checks if the inventory can equip the item to the given slot
+     * @param item The item
+     * @param slot The slot
+     * @return true if can equip, false otherwise
+     */
     public boolean canEquipItemToSlot(Entity item, String slot){
         String itemClass = ItemUtils.getEquipClass(item);
         if(slotWhitelists.get(slot).contains(itemClass)){
@@ -88,8 +95,62 @@ public class RelationalInventoryState {
         return false;
     }
 
+    /**
+     * Gets an equip point from a given slot name
+     * @param slot The name of the slot
+     * @return The equip point
+     */
     public EquipPoint getEquipPointFromSlot(String slot){
         return equipPoints.get(slot);
     }
 
+    /**
+     * Gets whether the item can equipped to a combined slot that contains the singular slot provided
+     * @param item The item
+     * @param slot The singular (non-combined) slot
+     * @return true if there is a combined slot that includes slot which can equip the item, false otherwise
+     */
+    public boolean canEquipItemToCombinedSlot(Entity item, String slot){
+        String itemClass = ItemUtils.getEquipClass(item);
+        EquipPoint singlePoint = getEquipPointFromSlot(slot);
+        EquipPoint combinedPoint = null;
+        for(String currentPointNames : this.equipPoints.keySet()){
+            EquipPoint currentPoint = this.equipPoints.get(currentPointNames);
+            if(currentPoint.isCombinedPoint() && currentPoint.getSubPoints().contains(singlePoint.getEquipPointId())){
+                combinedPoint = currentPoint;
+                break;
+            }
+        }
+        if(combinedPoint != null){
+            for(String equipClassWhitelisted : combinedPoint.getEquipClassWhitelist()){
+                if(equipClassWhitelisted.equalsIgnoreCase(itemClass) && !equipClassWhitelisted.equals(itemClass)){
+                    String message = "Combined equip point passed over because the item class for the equip point does not match the item's defined item class\n" +
+                    "However, the difference is only in capitalization! Equip point defined class:" + equipClassWhitelisted + " Item-defined class:" + itemClass;
+                    ;
+                    LoggerInterface.loggerEngine.WARNING(message);
+                }
+            }
+            if(combinedPoint.getEquipClassWhitelist().contains(itemClass)){
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Gets the combined point that contains this point
+     * @param slot The singular (non-combined) slot
+     * @return The combined point if it exists, null otherwise
+     */
+    public EquipPoint getCombinedPoint(String slot){
+        EquipPoint singlePoint = getEquipPointFromSlot(slot);
+        for(String currentPointNames : this.equipPoints.keySet()){
+            EquipPoint currentPoint = this.equipPoints.get(currentPointNames);
+            if(currentPoint.isCombinedPoint() && currentPoint.getSubPoints().contains(singlePoint.getEquipPointId())){
+                return currentPoint;
+            }
+        }
+        return null;
+    }
+
 }

src/main/java/electrosphere/entity/state/movement/FallTree.java

@@ -97,7 +97,7 @@ public class FallTree implements BehaviorTree {
                     entityActor.playAnimation(fallMovementSystem.getLandState().getAnimation().getNameThirdPerson(),AnimationPriorities.getValue(AnimationPriorities.MOVEMENT_MODIFIER));
                     entityActor.incrementAnimationTime(0.0001);
                 }
-                FirstPersonTree.conditionallyPlayAnimation(Globals.firstPersonEntity, fallMovementSystem.getLandState().getAnimation());
+                FirstPersonTree.conditionallyPlayAnimation(parent, fallMovementSystem.getLandState().getAnimation());
             }
         }
     }

src/main/java/electrosphere/entity/state/movement/groundmove/ClientGroundMovementTree.java

@@ -298,7 +298,7 @@ public class ClientGroundMovementTree implements BehaviorTree {
                         entityActor.playAnimation(animationToPlay,AnimationPriorities.getValue(AnimationPriorities.CORE_MOVEMENT));
                         entityActor.incrementAnimationTime(0.0001);
                     }
-                    FirstPersonTree.conditionallyPlayAnimation(Globals.firstPersonEntity, groundMovementData.getAnimationStartup().getNameFirstPerson(), AnimationPriorities.getValue(AnimationPriorities.CORE_MOVEMENT));
+                    FirstPersonTree.conditionallyPlayAnimation(parent, groundMovementData.getAnimationStartup().getNameFirstPerson(), AnimationPriorities.getValue(AnimationPriorities.CORE_MOVEMENT));
                 }
                 //run startup code
                 velocity = velocity + acceleration * (float)Globals.timekeeper.getSimFrameTime();
@@ -332,7 +332,7 @@ public class ClientGroundMovementTree implements BehaviorTree {
                         entityActor.playAnimation(animationToPlay,AnimationPriorities.getValue(AnimationPriorities.CORE_MOVEMENT));
                         entityActor.incrementAnimationTime(0.0001);
                     }
-                    FirstPersonTree.conditionallyPlayAnimation(Globals.firstPersonEntity, groundMovementData.getAnimationLoop().getNameFirstPerson(), AnimationPriorities.getValue(AnimationPriorities.CORE_MOVEMENT));
+                    FirstPersonTree.conditionallyPlayAnimation(parent, groundMovementData.getAnimationLoop().getNameFirstPerson(), AnimationPriorities.getValue(AnimationPriorities.CORE_MOVEMENT));
                 }
                 if(velocity != maxNaturalVelocity){
                     velocity = maxNaturalVelocity;
@@ -360,7 +360,7 @@ public class ClientGroundMovementTree implements BehaviorTree {
                         entityActor.playAnimation(animationToPlay,AnimationPriorities.getValue(AnimationPriorities.CORE_MOVEMENT));
                         entityActor.incrementAnimationTime(0.0001);
                     }
-                    FirstPersonTree.conditionallyPlayAnimation(Globals.firstPersonEntity, groundMovementData.getAnimationWindDown().getNameFirstPerson(), AnimationPriorities.getValue(AnimationPriorities.CORE_MOVEMENT));
+                    FirstPersonTree.conditionallyPlayAnimation(parent, groundMovementData.getAnimationWindDown().getNameFirstPerson(), AnimationPriorities.getValue(AnimationPriorities.CORE_MOVEMENT));
                 }
                 //velocity stuff
                 velocity = velocity - acceleration * (float)Globals.timekeeper.getSimFrameTime();

src/main/java/electrosphere/entity/state/movement/jump/ClientJumpTree.java

@@ -96,7 +96,7 @@ public class ClientJumpTree implements BehaviorTree {
                     entityActor.playAnimation(jumpData.getAnimationJump().getNameThirdPerson(),AnimationPriorities.getValue(AnimationPriorities.MOVEMENT_MODIFIER));
                     entityActor.incrementAnimationTime(0.0001);
                 }
-                FirstPersonTree.conditionallyPlayAnimation(Globals.firstPersonEntity, jumpData.getAnimationJump());
+                FirstPersonTree.conditionallyPlayAnimation(parent, jumpData.getAnimationJump());
             }
             //stop body falling if it is
             DBody body = PhysicsEntityUtils.getDBody(parent);

src/main/java/electrosphere/game/data/creature/type/block/BlockSystem.java

@@ -2,6 +2,8 @@ package electrosphere.game.data.creature.type.block;
 
 import java.util.List;
 
+import electrosphere.logger.LoggerInterface;
+
 /**
  * Stores data related to an entity blocking attacks
  */
@@ -10,6 +12,7 @@ public class BlockSystem {
     //blocking with a weapon equipped in the right hand
     //NOTE: the names provided here should line up with the actual field names on this object
     public static final String BLOCK_VARIANT_WEAPON_RIGHT = "blockWeaponRight";
+    public static final String BLOCK_VARIANT_WEAPON_2H = "block2H";
 
     //the list of block variants
     List<BlockVariant> variants;
@@ -45,6 +48,12 @@ public class BlockSystem {
     public BlockVariant getVariantForPointWithItem(String equipPoint, String itemClass){
         for(BlockVariant variant : variants){
             for(VariantDefaults variantDefault : variant.getDefaults()){
+                if(variantDefault.itemClassEquipped.equalsIgnoreCase(itemClass) && !variantDefault.itemClassEquipped.equals(itemClass)){
+                    String message = "Block variant passed over because the item class for the block variant does not match the item's defined item class\n" +
+                    "However, the difference is only in capitalization! Block-variant defined class:" + variantDefault.itemClassEquipped + " Item-defined class:" + itemClass;
+                    ;
+                    LoggerInterface.loggerEngine.WARNING(message);
+                }
                 if(variantDefault.equipPoint.equals(equipPoint) && variantDefault.itemClassEquipped.equals(itemClass)){
                     return variant;
                 }

src/main/java/electrosphere/game/data/creature/type/equip/EquipPoint.java

@@ -39,6 +39,45 @@ public class EquipPoint {
     //The animation to play when this equip point has an item equipped (ie if a hand is grasping something)
     TreeDataAnimation equippedAnimation;
 
+
+
+
+
+
+
+
+    /**
+     * 
+     * 
+     *     COMBINED EQUIP POINTS
+     * 
+     *      The idea of a combined equip point is that it is a combination of multiple single equip points.
+     *      Think of equipping an item in both the left and right hands of a character at once (ie a two handed sword).
+     * 
+     */
+
+
+    /**
+     * Indicates whether this is a conbined equip point or not
+     */
+    boolean isCombinedPoint;
+
+    /**
+     * The list of points that are contained within a combined equip point
+     */
+    List<String> subPoints;
+
+
+
+
+
+
+
+
+
+
+
+
     /**
      * Gets the equip point id
      * @return the id of the equip point
@@ -152,5 +191,21 @@ public class EquipPoint {
     public TreeDataAnimation getEquippedAnimation(){
         return equippedAnimation;
     }
+
+    /**
+     * Checks whether this is a combined equip point or not
+     * @return true if this is a combined equip point, false otherwise
+     */
+    public boolean isCombinedPoint(){
+        return this.isCombinedPoint;
+    }
+
+    /**
+     * Gets the list of sub point ids that are contained within a combined point
+     * @return The list of sub point ids
+     */
+    public List<String> getSubPoints(){
+        return this.subPoints;
+    }
     
 }

src/main/java/electrosphere/menu/ingame/MenuGeneratorsInventory.java

@@ -11,6 +11,7 @@ import electrosphere.entity.state.inventory.InventoryUtils;
 import electrosphere.entity.state.inventory.RelationalInventoryState;
 import electrosphere.entity.state.inventory.UnrelationalInventoryState;
 import electrosphere.entity.types.item.ItemUtils;
+import electrosphere.game.data.creature.type.equip.EquipPoint;
 import electrosphere.menu.WindowStrings;
 import electrosphere.menu.WindowUtils;
 import electrosphere.renderer.ui.elements.Div;
@@ -275,128 +276,141 @@ public class MenuGeneratorsInventory {
 
         List<String> slots = inventory.getSlots();
         int numSlots = slots.size();
+        EquipPoint equipPoint = null;
         // int numRows = (numSlots / 2) + (numSlots % 2 == 1 ? 1 : 0);
 
         int incrementer = 0;
         for(int i = 0; i < numSlots; i++){
             String texturePath = "Textures/icons/itemIconEmpty.png";
             boolean hasItem = false;
-            if(inventory.getItemSlot(slots.get(i)) != null){
+            equipPoint = inventory.getEquipPointFromSlot(slots.get(i));
-                Entity currentItem = inventory.getItemSlot(slots.get(i));
+            if(!equipPoint.isCombinedPoint()){
-                //get texture path from item
+                if(inventory.getItemSlot(slots.get(i)) != null){
-                texturePath = ItemUtils.getItemIcon(currentItem);
+                    Entity currentItem = inventory.getItemSlot(slots.get(i));
-                //flag that this isn't an empty slot
+                    //get texture path from item
-                hasItem = true;
+                    texturePath = ItemUtils.getItemIcon(currentItem);
-            }
+                    //flag that this isn't an empty slot
-            if(!Globals.assetManager.hasLoadedTexture(texturePath)){
+                    hasItem = true;
-                Globals.assetManager.addTexturePathtoQueue(texturePath);
+                }
-            }
+                if(!Globals.assetManager.hasLoadedTexture(texturePath)){
-            int panelWidth = 50;
+                    Globals.assetManager.addTexturePathtoQueue(texturePath);
-            int panelHeight = 50;
+                }
-            int posX = 20;
+                int panelWidth = 50;
-            if((incrementer % 2) == 1){
+                int panelHeight = 50;
-                posX = posX + 400;
+                int posX = 20;
-            }
+                if((incrementer % 2) == 1){
-            int posY = 60 + (i / 2 * (panelHeight + slotSpacing));
+                    posX = posX + 400;
-            int itemPosX = posX;
+                }
-            int itemPosY = posY;
+                int posY = 60 + (i / 2 * (panelHeight + slotSpacing));
-            ImagePanel panel = new ImagePanel(posX,posY,panelWidth,panelHeight,texturePath);
+                int itemPosX = posX;
-            panel.setAbsolutePosition(true);
+                int itemPosY = posY;
-            if(hasItem == true){
+                ImagePanel panel = new ImagePanel(posX,posY,panelWidth,panelHeight,texturePath);
-                int itemId = i;
+                panel.setAbsolutePosition(true);
-                panel.setOnDragStart(new DragEventCallback() {public boolean execute(DragEvent event){
+                if(hasItem == true){
-                    // System.out.println("Drag start");
+                    int itemId = i;
-                    Globals.dragSourceInventory = inventory;
+                    panel.setOnDragStart(new DragEventCallback() {public boolean execute(DragEvent event){
-                    Globals.draggedItem = inventory.getItemSlot(slots.get(itemId));
+                        // System.out.println("Drag start");
-                    ContainerElement container = (ContainerElement)panel.getParent();
+                        Globals.dragSourceInventory = inventory;
-                    container.removeChild(panel);
+                        Globals.draggedItem = inventory.getItemSlot(slots.get(itemId));
-                    WindowUtils.pushItemIconToItemWindow(panel);
+                        ContainerElement container = (ContainerElement)panel.getParent();
-                    //play sound effect
+                        container.removeChild(panel);
-                    if(Globals.virtualAudioSourceManager != null){
+                        WindowUtils.pushItemIconToItemWindow(panel);
-                        Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/inventoryGrabItem.ogg", VirtualAudioSourceType.UI, false);
+                        //play sound effect
-                    }
+                        if(Globals.virtualAudioSourceManager != null){
-                    return false;
+                            Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/inventoryGrabItem.ogg", VirtualAudioSourceType.UI, false);
-                }});
-                panel.setOnDrag(new DragEventCallback() {public boolean execute(DragEvent event){
-                    // System.out.println("Drag");
-                    panel.setPositionX(event.getCurrentX() - panelWidth / 2);
-                    panel.setPositionY(event.getCurrentY() - panelHeight / 2);
-                    return false;
-                }});
-                panel.setOnDragRelease(new DragEventCallback(){public boolean execute(DragEvent event){
-                    if(panel.getParent() != div){
-                        if(panel.getParent() != null){
-                            ContainerElement container = (ContainerElement)panel.getParent();
-                            container.removeChild(panel);
                         }
-                        div.addChild(panel);
+                        return false;
-                        Globals.elementManager.fireEvent(event, panel.getAbsoluteX(), panel.getAbsoluteY());
+                    }});
-                    }
+                    panel.setOnDrag(new DragEventCallback() {public boolean execute(DragEvent event){
-                    panel.setPositionX(div.getAbsoluteX() + itemPosX);
+                        // System.out.println("Drag");
-                    panel.setPositionY(div.getAbsoluteY() + itemPosY);
+                        panel.setPositionX(event.getCurrentX() - panelWidth / 2);
-                    return false;
+                        panel.setPositionY(event.getCurrentY() - panelHeight / 2);
-                }});
+                        return false;
-                
+                    }});
-            } else {
+                    panel.setOnDragRelease(new DragEventCallback(){public boolean execute(DragEvent event){
-                int itemId = i;
+                        if(panel.getParent() != div){
-                panel.setOnDragRelease(new DragEventCallback(){public boolean execute(DragEvent event){
+                            if(panel.getParent() != null){
-                    // panel.setPositionX(posX);
+                                ContainerElement container = (ContainerElement)panel.getParent();
-                    // panel.setPositionY(posY);
+                                container.removeChild(panel);
-                    if(Globals.dragSourceInventory instanceof UnrelationalInventoryState){
-                        UnrelationalInventoryState sourceInventory = (UnrelationalInventoryState) Globals.dragSourceInventory;
-                        Entity item = Globals.draggedItem;
-                        if(inventory.canEquipItemToSlot(item, slots.get(itemId))){
-                            //fire equip event to equip state
-                            ClientEquipState equipState = ClientEquipState.getEquipState(Globals.playerEntity);
-                            equipState.commandAttemptEquip(item,inventory.getEquipPointFromSlot(slots.get(itemId)));
-                            //play sound effect
-                            if(Globals.virtualAudioSourceManager != null){
-                                Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/inventorySlotItem.ogg", VirtualAudioSourceType.UI, false);
                             }
+                            div.addChild(panel);
+                            Globals.elementManager.fireEvent(event, panel.getAbsoluteX(), panel.getAbsoluteY());
                         }
-                        //update ui
+                        panel.setPositionX(div.getAbsoluteX() + itemPosX);
-                        Globals.dragSourceInventory = null;
+                        panel.setPositionY(div.getAbsoluteY() + itemPosY);
-                        Globals.draggedItem = null;
+                        return false;
-                        //clear item container ui
+                    }});
-                        WindowUtils.cleanItemDraggingWindow();
+                    
-                        //rerender both inventories
+                } else {
-                        //re-render inventory
+                    int itemId = i;
-                        WindowUtils.replaceWindow(WindowStrings.WINDOW_CHARACTER, MenuGeneratorsInventory.createCharacterInventoryMenu(inventory));
+                    panel.setOnDragRelease(new DragEventCallback(){public boolean execute(DragEvent event){
-                        //re-render inventory
+                        // panel.setPositionX(posX);
-                        WindowUtils.replaceWindow(WindowUtils.getInventoryWindowID(sourceInventory.getId()), MenuGeneratorsInventory.createNaturalInventoryMenu(sourceInventory));
+                        // panel.setPositionY(posY);
-                    }
+                        if(Globals.dragSourceInventory instanceof UnrelationalInventoryState){
-                    //now the fun begins :)
+                            UnrelationalInventoryState sourceInventory = (UnrelationalInventoryState) Globals.dragSourceInventory;
-                    //if transfer item
+                            Entity item = Globals.draggedItem;
-                    //  remove item from current inventory
+                            if(inventory.canEquipItemToSlot(item, slots.get(itemId))){
-                    //  place item in new inventory
+                                //fire equip event to equip state
-                    //  trigger recreation of the menu
+                                ClientEquipState equipState = ClientEquipState.getEquipState(Globals.playerEntity);
-                    //if drop item
+                                equipState.commandAttemptEquip(item,inventory.getEquipPointFromSlot(slots.get(itemId)));
-                    //  remove item from current inventory
+                                //play sound effect
-                    //  create item in world in front of character
+                                if(Globals.virtualAudioSourceManager != null){
-                    //  trigger recreation of the menu
+                                    Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/inventorySlotItem.ogg", VirtualAudioSourceType.UI, false);
-                    //if neither of above
+                                }
-                    //  replace item icon position to origin
+                            } else if(inventory.canEquipItemToCombinedSlot(item, slots.get(itemId))){
-                    // System.out.println("Release drag");
+                                EquipPoint combinedPoint = inventory.getCombinedPoint(slots.get(itemId));
-                    //rebuild inventory windows
+                                //fire equip event to equip state
-                    return false;
+                                ClientEquipState equipState = ClientEquipState.getEquipState(Globals.playerEntity);
-                }});
+                                equipState.commandAttemptEquip(item,combinedPoint);
-            }
+                                //play sound effect
-            div.addChild(panel);
+                                if(Globals.virtualAudioSourceManager != null){
+                                    Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/inventorySlotItem.ogg", VirtualAudioSourceType.UI, false);
+                                }
+                            }
+                            //update ui
+                            Globals.dragSourceInventory = null;
+                            Globals.draggedItem = null;
+                            //clear item container ui
+                            WindowUtils.cleanItemDraggingWindow();
+                            //rerender both inventories
+                            //re-render inventory
+                            WindowUtils.replaceWindow(WindowStrings.WINDOW_CHARACTER, MenuGeneratorsInventory.createCharacterInventoryMenu(inventory));
+                            //re-render inventory
+                            WindowUtils.replaceWindow(WindowUtils.getInventoryWindowID(sourceInventory.getId()), MenuGeneratorsInventory.createNaturalInventoryMenu(sourceInventory));
+                        }
+                        //now the fun begins :)
+                        //if transfer item
+                        //  remove item from current inventory
+                        //  place item in new inventory
+                        //  trigger recreation of the menu
+                        //if drop item
+                        //  remove item from current inventory
+                        //  create item in world in front of character
+                        //  trigger recreation of the menu
+                        //if neither of above
+                        //  replace item icon position to origin
+                        // System.out.println("Release drag");
+                        //rebuild inventory windows
+                        return false;
+                    }});
+                }
+                div.addChild(panel);
 
-            //create the slot text
+                //create the slot text
-            posX = 80;
+                posX = 80;
-            if((incrementer % 2) == 1){
+                if((incrementer % 2) == 1){
-                posX = posX + 190;
+                    posX = posX + 190;
-            }
+                }
-            posY = posY + 15;
+                posY = posY + 15;
-            Label slotText = new Label(0.7f);
+                Label slotText = new Label(0.7f);
-            slotText.setText(slots.get(i));
+                slotText.setText(slots.get(i));
-            slotText.setPositionX(posX);
+                slotText.setPositionX(posX);
-            slotText.setPositionY(posY);
+                slotText.setPositionY(posY);
-            slotText.setAbsolutePosition(true);
+                slotText.setAbsolutePosition(true);
-            div.addChild(slotText);
+                div.addChild(slotText);
 
-            incrementer++;
+                incrementer++;
+            }
         }
 
         return rVal;