ai crafting

docs/src/progress/renderertodo.md

@@ -1634,6 +1634,8 @@ AI work
 Many new AI trees
  - AI can seek out items
  - AI can harvest entities
+ - AI can pick up items
+ - AI can craft
 
 
 

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

@@ -735,12 +735,12 @@ public class InventoryUtils {
             rVal.addAll(equipInventory.getItems());
         }
         if(InventoryUtils.hasNaturalInventory(creature)){
-            UnrelationalInventoryState equipInventory = InventoryUtils.getNaturalInventory(creature);
-            rVal.addAll(equipInventory.getItems());
+            UnrelationalInventoryState naturalInventory = InventoryUtils.getNaturalInventory(creature);
+            rVal.addAll(naturalInventory.getItems());
         }
         if(InventoryUtils.hasToolbarInventory(creature)){
-            RelationalInventoryState equipInventory = InventoryUtils.getToolbarInventory(creature);
-            rVal.addAll(equipInventory.getItems());
+            RelationalInventoryState toolbarInventory = InventoryUtils.getToolbarInventory(creature);
+            rVal.addAll(toolbarInventory.getItems());
         }
         //filter null items
         rVal = rVal.stream().filter((Entity el) -> {return el != null;}).collect(Collectors.toList());

src/main/java/electrosphere/game/data/item/source/ItemSourcingData.java

@@ -27,7 +27,16 @@ public class ItemSourcingData {
          * Fell a tree
          */
         TREE,
+        /**
+         * Pick up the item off the floor
+         */
+        PICKUP,
     }
+
+    /**
+     * The goal item type
+     */
+    String goalItem;
     
     /**
      * The list of recipes that create this item
@@ -46,11 +55,13 @@ public class ItemSourcingData {
 
     /**
      * Constructor
+     * @param goalItem The item that this object stores sources of (ie if this is rocks, all the source lists should contain ways to get rocks)
      * @param recipes The recipes to source from
      * @param harvestTargets The objects to harvest from
      * @param trees The trees to drop from
      */
-    public ItemSourcingData(List<RecipeData> recipes, List<CommonEntityType> harvestTargets, List<FoliageType> trees){
+    public ItemSourcingData(String goalItem, List<RecipeData> recipes, List<CommonEntityType> harvestTargets, List<FoliageType> trees){
+        this.goalItem = goalItem;
         this.recipes = recipes;
         this.harvestTargets = harvestTargets;
         this.trees = trees;
@@ -80,6 +91,14 @@ public class ItemSourcingData {
         return trees;
     }
 
+    /**
+     * Gets the item that this object stores sources of (ie if this is rocks, all the source lists should contain ways to get rocks)
+     * @return The item type id
+     */
+    public String getGoalItem(){
+        return goalItem;
+    }
+
     
 
 }

src/main/java/electrosphere/game/data/item/source/ItemSourcingMap.java

@@ -100,7 +100,7 @@ public class ItemSourcingMap {
             }
 
             //store the sourcing data
-            ItemSourcingData sourcingData = new ItemSourcingData(recipes, harvestTargets, trees);
+            ItemSourcingData sourcingData = new ItemSourcingData(item.getId(), recipes, harvestTargets, trees);
             sourcingMap.itemSourcingDataMap.put(item.getId(),sourcingData);
         }
 

src/main/java/electrosphere/net/server/protocol/InventoryProtocol.java

@@ -1,27 +1,15 @@
 package electrosphere.net.server.protocol;
 
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-
 import electrosphere.engine.Globals;
 import electrosphere.entity.Entity;
 import electrosphere.entity.state.inventory.InventoryUtils;
-import electrosphere.entity.state.inventory.RelationalInventoryState;
-import electrosphere.entity.state.inventory.UnrelationalInventoryState;
-import electrosphere.entity.state.item.ServerChargeState;
 import electrosphere.game.data.crafting.RecipeData;
-import electrosphere.game.data.crafting.RecipeIngredientData;
-import electrosphere.game.data.item.Item;
-import electrosphere.game.data.item.ItemDataMap;
 import electrosphere.logger.LoggerInterface;
 import electrosphere.net.parser.net.message.InventoryMessage;
 import electrosphere.net.server.ServerConnectionHandler;
 import electrosphere.net.template.ServerProtocolTemplate;
-import electrosphere.server.datacell.ServerDataCell;
-import electrosphere.server.datacell.utils.DataCellSearchUtils;
 import electrosphere.server.datacell.utils.EntityLookupUtils;
+import electrosphere.server.player.CraftingActions;
 import electrosphere.server.player.PlayerActions;
 
 /**
@@ -108,7 +96,7 @@ public class InventoryProtocol implements ServerProtocolTemplate<InventoryMessag
                 Entity workshopEntity = EntityLookupUtils.getEntityById(message.getstationId());
                 RecipeData recipe = Globals.gameConfigCurrent.getRecipeMap().getType(message.getrecipeId());
                 if(target != null && recipe != null){
-                    this.attemptCraft(target,workshopEntity,recipe);
+                    CraftingActions.attemptCraft(target,workshopEntity,recipe);
                     // System.out.println(message.getentityId() + " " + message.getstationId() + " " + message.getrecipeId());
                     // InventoryUtils.serverGetInventoryState(target).addNetworkMessage(message);
                 }
@@ -122,148 +110,4 @@ public class InventoryProtocol implements ServerProtocolTemplate<InventoryMessag
         }
     }
 
-
-    /**
-     * Attempts to craft an item
-     * @param crafter The entity performing the crafting
-     * @param station The (optional) station for crafting
-     * @param recipe The recipe to craft
-     */
-    private void attemptCraft(Entity crafter, Entity station, RecipeData recipe){
-        if(InventoryUtils.serverGetInventoryState(crafter) == null){
-            return;
-        }
-        UnrelationalInventoryState naturalInventory = InventoryUtils.getNaturalInventory(crafter);
-        RelationalInventoryState toolbarInventory = InventoryUtils.getToolbarInventory(crafter);
-
-        //get data obj
-        ItemDataMap itemMap = Globals.gameConfigCurrent.getItemMap();
-
-        //get reagents
-        List<Entity> reagentList = new LinkedList<Entity>();
-        boolean hasReagents = true;
-        Map<String,Integer> ingredientTargetMap = new HashMap<String,Integer>();
-        Map<String,Integer> ingredientAccretionMap = new HashMap<String,Integer>();
-        //find the reagents we're going to use to craft
-        for(RecipeIngredientData ingredient : recipe.getIngredients()){
-            ingredientTargetMap.put(ingredient.getItemType(),ingredient.getCount());
-            ingredientAccretionMap.put(ingredient.getItemType(),0);
-            int found = 0;
-            if(naturalInventory != null){
-                for(Entity itemEnt : naturalInventory.getItems()){
-                    if(itemMap.getItem(itemEnt).getId().matches(ingredient.getItemType())){
-                        if(ServerChargeState.hasServerChargeState(itemEnt)){
-                            ServerChargeState serverChargeState = ServerChargeState.getServerChargeState(itemEnt);
-                            found = found + serverChargeState.getCharges();
-                        } else {
-                            found++;
-                        }
-                        reagentList.add(itemEnt);
-                    }
-                    if(found >= ingredient.getCount()){
-                        break;
-                    }
-                }
-            }
-            if(toolbarInventory != null){
-                for(Entity itemEnt : toolbarInventory.getItems()){
-                    if(itemEnt == null){
-                        continue;
-                    }
-                    if(itemMap.getItem(itemEnt).getId().matches(ingredient.getItemType())){
-                        if(ServerChargeState.hasServerChargeState(itemEnt)){
-                            ServerChargeState serverChargeState = ServerChargeState.getServerChargeState(itemEnt);
-                            found = found + serverChargeState.getCharges();
-                        } else {
-                            found++;
-                        }
-                        reagentList.add(itemEnt);
-                    }
-                    if(found >= ingredient.getCount()){
-                        break;
-                    }
-                }
-            }
-            if(found < ingredient.getCount()){
-                hasReagents = false;
-                break;
-            }
-        }
-        if(hasReagents){
-            for(Entity reagentEnt : reagentList){
-
-                //determine how many we need to still remove
-                Item itemData = itemMap.getItem(reagentEnt);
-                int targetToRemove = ingredientTargetMap.get(itemData.getId());
-                int alreadyFound = ingredientAccretionMap.get(itemData.getId());
-                if(alreadyFound > targetToRemove){
-                    throw new Error("Removed too many ingredients! " + targetToRemove + " " + alreadyFound);
-                } else if(alreadyFound == targetToRemove){
-                    continue;
-                }
-
-
-                if(ServerChargeState.hasServerChargeState(reagentEnt)){
-                    ServerChargeState serverChargeState = ServerChargeState.getServerChargeState(reagentEnt);
-                    int available = serverChargeState.getCharges();
-
-                    if(available > targetToRemove - alreadyFound){
-                        int chargesToRemove = targetToRemove - alreadyFound;
-                        serverChargeState.attemptAddCharges(-chargesToRemove);
-                        //just remove charges
-                        ingredientAccretionMap.put(itemData.getId(),alreadyFound + chargesToRemove);
-                    } else {
-                        //remove item entirely (consuming all charges)
-                        if(naturalInventory != null){
-                            naturalInventory.removeItem(reagentEnt);
-                        }
-                        if(toolbarInventory != null){
-                            toolbarInventory.tryRemoveItem(reagentEnt);
-                        }
-                        this.deleteItemInInventory(crafter, reagentEnt);
-                        ingredientAccretionMap.put(itemData.getId(),alreadyFound + available);
-                    }
-                } else {
-                    if(naturalInventory != null){
-                        naturalInventory.removeItem(reagentEnt);
-                    }
-                    if(toolbarInventory != null){
-                        toolbarInventory.tryRemoveItem(reagentEnt);
-                    }
-                    this.deleteItemInInventory(crafter, reagentEnt);
-                    ingredientAccretionMap.put(itemData.getId(),alreadyFound + 1);
-                }
-            }
-            for(RecipeIngredientData product : recipe.getProducts()){
-                Item productType = itemMap.getItem(product.getItemType());
-                if(productType == null){
-                    throw new Error("Could not locate product definition! " + productType + " " + product.getItemType());
-                }
-                InventoryUtils.serverCreateInventoryItem(crafter, product.getItemType(), product.getCount());
-            }
-        }
-    }
-
-
-    /**
-     * Delete an item that is in an inventory
-     * @param parent The parent entity that contains the in-inventory item
-     * @param itemEnt The item that is in an inventory
-     */
-    private void deleteItemInInventory(Entity parent, Entity inInventory){
-        //the parent entity's data cell
-        ServerDataCell dataCell = DataCellSearchUtils.getEntityDataCell(parent);
-        //broadcast destroy entity
-        dataCell.broadcastNetworkMessage(InventoryMessage.constructremoveItemFromInventoryMessage(inInventory.getId()));
-        //remove the inventories
-        UnrelationalInventoryState naturalInventory = InventoryUtils.getNaturalInventory(parent);
-        RelationalInventoryState toolbarInventory = InventoryUtils.getToolbarInventory(parent);
-        if(naturalInventory != null){
-            naturalInventory.removeItem(inInventory);
-        }
-        if(toolbarInventory != null){
-            toolbarInventory.tryRemoveItem(inInventory);
-        }
-    }
-
 }

src/main/java/electrosphere/server/ai/blackboard/BlackboardKeys.java

@@ -50,6 +50,11 @@ public class BlackboardKeys {
      */
     public static final String ITEM_SOURCING_DATA = "itemSourcingData";
 
+    /**
+     * The category of item to target
+     */
+    public static final String ITEM_TARGET_CATEGORY = "itemTargetCategory";
+
     /**
      * The type of entity to try to harvest
      */

src/main/java/electrosphere/server/ai/nodes/actions/interact/CraftNode.java

@@ -0,0 +1,28 @@
+package electrosphere.server.ai.nodes.actions.interact;
+
+import electrosphere.entity.Entity;
+import electrosphere.game.data.crafting.RecipeData;
+import electrosphere.game.data.item.source.ItemSourcingData;
+import electrosphere.server.ai.blackboard.Blackboard;
+import electrosphere.server.ai.nodes.AITreeNode;
+import electrosphere.server.ai.nodes.plan.SolveSourcingTreeNode;
+import electrosphere.server.player.CraftingActions;
+
+/**
+ * Tries to craft an item
+ */
+public class CraftNode implements AITreeNode {
+
+    @Override
+    public AITreeNodeResult evaluate(Entity entity, Blackboard blackboard) {
+        ItemSourcingData sourcingData = SolveSourcingTreeNode.getItemSourcingData(blackboard);
+        for(RecipeData recipe : sourcingData.getRecipes()){
+            if(CraftingActions.canCraft(entity, null, recipe)){
+                CraftingActions.attemptCraft(entity, null, recipe);
+                return AITreeNodeResult.SUCCESS;
+            }
+        }
+        return AITreeNodeResult.FAILURE;
+    }
+    
+}

src/main/java/electrosphere/server/ai/nodes/checks/inventory/SourcingTypeNode.java

@@ -1,11 +1,17 @@
 package electrosphere.server.ai.nodes.checks.inventory;
 
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.Collectors;
+
 import electrosphere.entity.Entity;
+import electrosphere.entity.types.common.CommonEntityUtils;
 import electrosphere.game.data.item.source.ItemSourcingData;
 import electrosphere.game.data.item.source.ItemSourcingData.SourcingType;
 import electrosphere.server.ai.blackboard.Blackboard;
 import electrosphere.server.ai.nodes.AITreeNode;
 import electrosphere.server.ai.nodes.plan.SolveSourcingTreeNode;
+import electrosphere.server.ai.services.NearbyEntityService;
 
 /**
  * Checks if the supplied type of sourcing is the path for the current target item to acquire
@@ -17,12 +23,19 @@ public class SourcingTypeNode implements AITreeNode {
      */
     SourcingType sourcingType;
 
+    /**
+     * The blackboard key storing the target entity type id
+     */
+    String targetTypeKey;
+
     /**
      * Constructor
+     * @param targetTypeKey The blackboard key storing the target entity type id
      * @param sourcingType The type of sourcing to check
      */
-    public SourcingTypeNode(SourcingType sourcingType){
+    public SourcingTypeNode(SourcingType sourcingType, String targetTypeKey){
         this.sourcingType = sourcingType;
+        this.targetTypeKey = targetTypeKey;
     }
 
     @Override
@@ -38,6 +51,15 @@ public class SourcingTypeNode implements AITreeNode {
 
         //succeed based on the type of sourcing that this node is set for
         switch(this.sourcingType){
+            case PICKUP: {
+                //see if the entity is in the vicinity
+                String targetEntityType = (String)blackboard.get(this.targetTypeKey);
+                Collection<Entity> nearbyEntities = NearbyEntityService.getNearbyEntities(blackboard);
+                List<String> types = nearbyEntities.stream().map((Entity ent) -> {return CommonEntityUtils.getEntitySubtype(ent);}).collect(Collectors.toList());
+                if(types.contains(targetEntityType)){
+                    return AITreeNodeResult.SUCCESS;
+                }
+            } break;
             case RECIPE: {
                 if(sourcingData.getRecipes().size() > 0){
                     return AITreeNodeResult.SUCCESS;

src/main/java/electrosphere/server/ai/nodes/plan/SolveSourcingTreeNode.java

@@ -46,6 +46,7 @@ public class SolveSourcingTreeNode implements AITreeNode {
             HarvestNode.setHarvestTargetType(blackboard, sourcingData.getHarvestTargets().get(0).getId());
         }
         SolveSourcingTreeNode.setItemSourcingData(blackboard, sourcingData);
+        SolveSourcingTreeNode.setItemTargetCategory(blackboard, sourcingData.getGoalItem());
         return AITreeNodeResult.SUCCESS;
     }
 
@@ -103,4 +104,31 @@ public class SolveSourcingTreeNode implements AITreeNode {
         return (ItemSourcingData)blackboard.get(BlackboardKeys.ITEM_SOURCING_DATA);
     }
 
+    /**
+     * Sets the item target category of the blackboard
+     * @param blackboard The blackboard
+     * @param tree The data
+     */
+    public static void setItemTargetCategory(Blackboard blackboard, String data){
+        blackboard.put(BlackboardKeys.ITEM_TARGET_CATEGORY, data);
+    }
+
+    /**
+     * Checks if the blackboard has an item target category
+     * @param blackboard The blackboard
+     * @return The item sourcing data
+     */
+    public static boolean hasItemTargetCategory(Blackboard blackboard){
+        return blackboard.has(BlackboardKeys.ITEM_TARGET_CATEGORY);
+    }
+
+    /**
+     * Gets the item target category of the blackboard
+     * @param blackboard The blackboard
+     * @return The item target category
+     */
+    public static String getItemTargetCategory(Blackboard blackboard){
+        return (String)blackboard.get(BlackboardKeys.ITEM_TARGET_CATEGORY);
+    }
+
 }

src/main/java/electrosphere/server/ai/trees/creature/AcquireItemTree.java

@@ -4,6 +4,8 @@ import electrosphere.collision.CollisionEngine;
 import electrosphere.game.data.item.source.ItemSourcingData.SourcingType;
 import electrosphere.server.ai.blackboard.BlackboardKeys;
 import electrosphere.server.ai.nodes.AITreeNode;
+import electrosphere.server.ai.nodes.actions.interact.CollectItemNode;
+import electrosphere.server.ai.nodes.actions.interact.CraftNode;
 import electrosphere.server.ai.nodes.actions.interact.HarvestNode;
 import electrosphere.server.ai.nodes.checks.inventory.SourcingTypeNode;
 import electrosphere.server.ai.nodes.meta.collections.SelectorNode;
@@ -35,17 +37,27 @@ public class AcquireItemTree {
             //solve how we're going to get this top level item
             new SolveSourcingTreeNode(blackboardKey),
             new SelectorNode(
+                new SequenceNode(
+                    new PublishStatusNode("Pick up an item"),
+                    //check if we should be sourcing this item by picking it up
+                    new SourcingTypeNode(SourcingType.PICKUP, BlackboardKeys.ITEM_TARGET_CATEGORY),
+                    //logic to pick up the item
+                    new TargetEntityCategoryNode(BlackboardKeys.ITEM_TARGET_CATEGORY),
+                    MoveToTarget.create(CollisionEngine.DEFAULT_INTERACT_DISTANCE, BlackboardKeys.ENTITY_TARGET),
+                    new CollectItemNode(),
+                    new RunnerNode(null)
+                ),
                 new SequenceNode(
                     new PublishStatusNode("Craft an item"),
                     //check if we should be sourcing this from a recipe
-                    new SourcingTypeNode(SourcingType.RECIPE),
-                    //TODO: logic to craft a recipe
+                    new SourcingTypeNode(SourcingType.RECIPE, blackboardKey),
+                    new CraftNode(),
                     new RunnerNode(null)
                 ),
                 new SequenceNode(
                     new PublishStatusNode("Harvest an item"),
                     //check if we should be sourcing this from harvesting foliage
-                    new SourcingTypeNode(SourcingType.HARVEST),
+                    new SourcingTypeNode(SourcingType.HARVEST, blackboardKey),
                     new TargetEntityCategoryNode(BlackboardKeys.HARVEST_TARGET_TYPE),
                     MoveToTarget.create(CollisionEngine.DEFAULT_INTERACT_DISTANCE, BlackboardKeys.ENTITY_TARGET),
                     new HarvestNode(),
@@ -54,7 +66,7 @@ public class AcquireItemTree {
                 new SequenceNode(
                     new PublishStatusNode("Fell a tree"),
                     //check if we should be sourcing this from felling a tree
-                    new SourcingTypeNode(SourcingType.TREE),
+                    new SourcingTypeNode(SourcingType.TREE, blackboardKey),
                     //TODO: logic to fell a tree
                     new RunnerNode(null)
                 )

src/main/java/electrosphere/server/player/CraftingActions.java

@@ -0,0 +1,216 @@
+package electrosphere.server.player;
+
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import electrosphere.engine.Globals;
+import electrosphere.entity.Entity;
+import electrosphere.entity.state.inventory.InventoryUtils;
+import electrosphere.entity.state.inventory.RelationalInventoryState;
+import electrosphere.entity.state.inventory.UnrelationalInventoryState;
+import electrosphere.entity.state.item.ServerChargeState;
+import electrosphere.game.data.crafting.RecipeData;
+import electrosphere.game.data.crafting.RecipeIngredientData;
+import electrosphere.game.data.item.Item;
+import electrosphere.game.data.item.ItemDataMap;
+
+/**
+ * Actions around crafting
+ */
+public class CraftingActions {
+    
+    /**
+     * Attempts to craft an item
+     * @param crafter The entity performing the crafting
+     * @param station The (optional) station for crafting
+     * @param recipe The recipe to craft
+     */
+    public static void attemptCraft(Entity crafter, Entity station, RecipeData recipe){
+        if(InventoryUtils.serverGetInventoryState(crafter) == null){
+            return;
+        }
+        UnrelationalInventoryState naturalInventory = InventoryUtils.getNaturalInventory(crafter);
+        RelationalInventoryState toolbarInventory = InventoryUtils.getToolbarInventory(crafter);
+
+        //get data obj
+        ItemDataMap itemMap = Globals.gameConfigCurrent.getItemMap();
+
+        //get reagents
+        List<Entity> reagentList = new LinkedList<Entity>();
+        boolean hasReagents = true;
+        Map<String,Integer> ingredientTargetMap = new HashMap<String,Integer>();
+        Map<String,Integer> ingredientAccretionMap = new HashMap<String,Integer>();
+        //find the reagents we're going to use to craft
+        for(RecipeIngredientData ingredient : recipe.getIngredients()){
+            ingredientTargetMap.put(ingredient.getItemType(),ingredient.getCount());
+            ingredientAccretionMap.put(ingredient.getItemType(),0);
+            int found = 0;
+            if(naturalInventory != null){
+                for(Entity itemEnt : naturalInventory.getItems()){
+                    if(itemMap.getItem(itemEnt).getId().matches(ingredient.getItemType())){
+                        if(ServerChargeState.hasServerChargeState(itemEnt)){
+                            ServerChargeState serverChargeState = ServerChargeState.getServerChargeState(itemEnt);
+                            found = found + serverChargeState.getCharges();
+                        } else {
+                            found++;
+                        }
+                        reagentList.add(itemEnt);
+                    }
+                    if(found >= ingredient.getCount()){
+                        break;
+                    }
+                }
+            }
+            if(toolbarInventory != null){
+                for(Entity itemEnt : toolbarInventory.getItems()){
+                    if(itemEnt == null){
+                        continue;
+                    }
+                    if(itemMap.getItem(itemEnt).getId().matches(ingredient.getItemType())){
+                        if(ServerChargeState.hasServerChargeState(itemEnt)){
+                            ServerChargeState serverChargeState = ServerChargeState.getServerChargeState(itemEnt);
+                            found = found + serverChargeState.getCharges();
+                        } else {
+                            found++;
+                        }
+                        reagentList.add(itemEnt);
+                    }
+                    if(found >= ingredient.getCount()){
+                        break;
+                    }
+                }
+            }
+            if(found < ingredient.getCount()){
+                hasReagents = false;
+                break;
+            }
+        }
+        if(hasReagents){
+            for(Entity reagentEnt : reagentList){
+
+                //determine how many we need to still remove
+                Item itemData = itemMap.getItem(reagentEnt);
+                int targetToRemove = ingredientTargetMap.get(itemData.getId());
+                int alreadyFound = ingredientAccretionMap.get(itemData.getId());
+                if(alreadyFound > targetToRemove){
+                    throw new Error("Removed too many ingredients! " + targetToRemove + " " + alreadyFound);
+                } else if(alreadyFound == targetToRemove){
+                    continue;
+                }
+
+
+                if(ServerChargeState.hasServerChargeState(reagentEnt)){
+                    ServerChargeState serverChargeState = ServerChargeState.getServerChargeState(reagentEnt);
+                    int available = serverChargeState.getCharges();
+
+                    if(available > targetToRemove - alreadyFound){
+                        int chargesToRemove = targetToRemove - alreadyFound;
+                        serverChargeState.attemptAddCharges(-chargesToRemove);
+                        //just remove charges
+                        ingredientAccretionMap.put(itemData.getId(),alreadyFound + chargesToRemove);
+                    } else {
+                        //remove item entirely (consuming all charges)
+                        if(naturalInventory != null){
+                            naturalInventory.removeItem(reagentEnt);
+                        }
+                        if(toolbarInventory != null){
+                            toolbarInventory.tryRemoveItem(reagentEnt);
+                        }
+                        InventoryUtils.serverDestroyInventoryItem(reagentEnt);
+                        ingredientAccretionMap.put(itemData.getId(),alreadyFound + available);
+                    }
+                } else {
+                    if(naturalInventory != null){
+                        naturalInventory.removeItem(reagentEnt);
+                    }
+                    if(toolbarInventory != null){
+                        toolbarInventory.tryRemoveItem(reagentEnt);
+                    }
+                    InventoryUtils.serverDestroyInventoryItem(reagentEnt);
+                    ingredientAccretionMap.put(itemData.getId(),alreadyFound + 1);
+                }
+            }
+            for(RecipeIngredientData product : recipe.getProducts()){
+                Item productType = itemMap.getItem(product.getItemType());
+                if(productType == null){
+                    throw new Error("Could not locate product definition! " + productType + " " + product.getItemType());
+                }
+                InventoryUtils.serverCreateInventoryItem(crafter, product.getItemType(), product.getCount());
+            }
+        }
+    }
+
+    /**
+     * Checks if the item can be crafted
+     * @param crafter The entity performing the crafting
+     * @param workstation The workstation to perform the crafting at
+     * @param recipe The recipe to craft
+     * @return true if it can perform the recipe, false otherwise
+     */
+    public static boolean canCraft(Entity crafter, Entity workstation, RecipeData recipe){
+        if(InventoryUtils.serverGetInventoryState(crafter) == null){
+            return false;
+        }
+        UnrelationalInventoryState naturalInventory = InventoryUtils.getNaturalInventory(crafter);
+        RelationalInventoryState toolbarInventory = InventoryUtils.getToolbarInventory(crafter);
+
+        //get data obj
+        ItemDataMap itemMap = Globals.gameConfigCurrent.getItemMap();
+
+        //get reagents
+        List<Entity> reagentList = new LinkedList<Entity>();
+        boolean hasReagents = true;
+        Map<String,Integer> ingredientTargetMap = new HashMap<String,Integer>();
+        Map<String,Integer> ingredientAccretionMap = new HashMap<String,Integer>();
+        //find the reagents we're going to use to craft
+        for(RecipeIngredientData ingredient : recipe.getIngredients()){
+            ingredientTargetMap.put(ingredient.getItemType(),ingredient.getCount());
+            ingredientAccretionMap.put(ingredient.getItemType(),0);
+            int found = 0;
+            if(naturalInventory != null){
+                for(Entity itemEnt : naturalInventory.getItems()){
+                    if(itemMap.getItem(itemEnt).getId().matches(ingredient.getItemType())){
+                        if(ServerChargeState.hasServerChargeState(itemEnt)){
+                            ServerChargeState serverChargeState = ServerChargeState.getServerChargeState(itemEnt);
+                            found = found + serverChargeState.getCharges();
+                        } else {
+                            found++;
+                        }
+                        reagentList.add(itemEnt);
+                    }
+                    if(found >= ingredient.getCount()){
+                        break;
+                    }
+                }
+            }
+            if(toolbarInventory != null){
+                for(Entity itemEnt : toolbarInventory.getItems()){
+                    if(itemEnt == null){
+                        continue;
+                    }
+                    if(itemMap.getItem(itemEnt).getId().matches(ingredient.getItemType())){
+                        if(ServerChargeState.hasServerChargeState(itemEnt)){
+                            ServerChargeState serverChargeState = ServerChargeState.getServerChargeState(itemEnt);
+                            found = found + serverChargeState.getCharges();
+                        } else {
+                            found++;
+                        }
+                        reagentList.add(itemEnt);
+                    }
+                    if(found >= ingredient.getCount()){
+                        break;
+                    }
+                }
+            }
+            if(found < ingredient.getCount()){
+                hasReagents = false;
+                break;
+            }
+        }
+
+        return hasReagents;
+    }
+
+}