Merge branch 'server-inventory' of https://github.com/GeyserMC/Geyser into server-inventory

connector/src/main/java/org/geysermc/connector/network/translators/inventory/InventoryTranslator.java

@@ -151,28 +151,39 @@ public abstract class InventoryTranslator {
     }
 
     public void translateRequests(GeyserSession session, Inventory inventory, List<ItemStackRequestPacket.Request> requests) {
+        boolean refresh = false;
         ItemStackResponsePacket responsePacket = new ItemStackResponsePacket();
         for (ItemStackRequestPacket.Request request : requests) {
+            ItemStackResponsePacket.Response response;
             if (request.getActions().length > 0) {
                 StackRequestActionData firstAction = request.getActions()[0];
                 if (shouldHandleRequestFirst(firstAction, inventory)) {
                     // Some special request that shouldn't be processed normally
-                    responsePacket.getEntries().add(translateSpecialRequest(session, inventory, request));
+                    response = translateSpecialRequest(session, inventory, request);
                 } else if (firstAction.getType() == StackRequestActionType.CRAFT_RECIPE) {
-                    responsePacket.getEntries().add(translateCraftingRequest(session, inventory, request));
+                    response = translateCraftingRequest(session, inventory, request);
                 } else if (firstAction.getType() == StackRequestActionType.CRAFT_RECIPE_AUTO) {
-                    responsePacket.getEntries().add(translateAutoCraftingRequest(session, inventory, request));
+                    response = translateAutoCraftingRequest(session, inventory, request);
                 } else if (firstAction.getType() == StackRequestActionType.CRAFT_CREATIVE) {
                     // This is also used for pulling items out of creative
-                    responsePacket.getEntries().add(translateCreativeRequest(session, inventory, request));
+                    response = translateCreativeRequest(session, inventory, request);
                 } else {
-                    responsePacket.getEntries().add(translateRequest(session, inventory, request));
+                    response = translateRequest(session, inventory, request);
                 }
             } else {
-                responsePacket.getEntries().add(rejectRequest(request));
+                response = rejectRequest(request);
             }
+            if (response.getResult() == ItemStackResponsePacket.ResponseStatus.ERROR) {
+                refresh = true;
+            }
+            responsePacket.getEntries().add(response);
         }
         session.sendUpstreamPacket(responsePacket);
+
+        if (refresh) {
+            InventoryUtils.updateCursor(session);
+            updateInventory(session, inventory);
+        }
     }
 
     public ItemStackResponsePacket.Response translateRequest(GeyserSession session, Inventory inventory, ItemStackRequestPacket.Request request) {
@@ -206,79 +217,6 @@ public abstract class InventoryTranslator {
 
                     if (isCursor(transferAction.getSource()) && isCursor(transferAction.getDestination())) { //???
                         return rejectRequest(request);
-                    } else if (session.getGameMode().equals(GameMode.CREATIVE) && inventory instanceof PlayerInventory) { // TODO: does the Java server use this stuff all the time in creative?
-                        // Creative acts a little differently because it just edits slots
-                        boolean sourceIsCursor = isCursor(transferAction.getSource());
-                        boolean destIsCursor = isCursor(transferAction.getDestination());
-
-                        GeyserItemStack sourceItem = sourceIsCursor ? session.getPlayerInventory().getCursor() :
-                                inventory.getItem(sourceSlot);
-                        GeyserItemStack newItem = sourceItem.copy();
-                        if (sourceIsCursor) {
-                            GeyserItemStack destItem = inventory.getItem(destSlot);
-                            if (destItem.getJavaId() == sourceItem.getJavaId()) {
-                                // Combining items
-                                int itemsLeftOver = destItem.getAmount() + transferAction.getCount();
-                                if (itemsLeftOver > MAX_ITEM_STACK_SIZE) {
-                                    // Items will remain in cursor because destination slot gets set to 64
-                                    destItem.setAmount(MAX_ITEM_STACK_SIZE);
-                                    sourceItem.setAmount(itemsLeftOver - MAX_ITEM_STACK_SIZE);
-                                } else {
-                                    // Cursor will be emptied
-                                    destItem.setAmount(itemsLeftOver);
-                                    session.getPlayerInventory().setCursor(GeyserItemStack.EMPTY, session);
-                                }
-                                ClientCreativeInventoryActionPacket creativeActionPacket = new ClientCreativeInventoryActionPacket(
-                                        destSlot,
-                                        destItem.getItemStack()
-                                );
-                                session.sendDownstreamPacket(creativeActionPacket);
-                                affectedSlots.add(destSlot);
-                                break;
-                            }
-                        } else {
-                            // Delete the source since we're moving it
-                            inventory.setItem(sourceSlot, GeyserItemStack.EMPTY, session);
-                            ClientCreativeInventoryActionPacket creativeActionPacket = new ClientCreativeInventoryActionPacket(
-                                    sourceSlot,
-                                    new ItemStack(0)
-                            );
-                            session.sendDownstreamPacket(creativeActionPacket);
-                            affectedSlots.add(sourceSlot);
-                        }
-                        // Update the item count with however much the client took
-                        newItem.setAmount(transferAction.getCount());
-                        // Remove that amount from the existing item
-                        sourceItem.setAmount(sourceItem.getAmount() - transferAction.getCount());
-                        if (sourceItem.isEmpty()) {
-                            // Item is basically deleted
-                            if (sourceIsCursor) {
-                                session.getPlayerInventory().setCursor(GeyserItemStack.EMPTY, session);
-                            } else {
-                                inventory.setItem(sourceSlot, GeyserItemStack.EMPTY, session);
-                            }
-                        }
-                        if (destIsCursor) {
-                            session.getPlayerInventory().setCursor(newItem, session);
-                        } else {
-                            inventory.setItem(destSlot, newItem, session);
-                        }
-                        GeyserItemStack itemToUpdate = destIsCursor ? sourceItem : newItem;
-                        // The Java server doesn't care about what's in the mouse in creative mode, so we just need to track
-                        // which inventory slot the client modified
-                        ClientCreativeInventoryActionPacket creativeActionPacket = new ClientCreativeInventoryActionPacket(
-                                destIsCursor ? sourceSlot : destSlot,
-                                itemToUpdate.isEmpty() ? new ItemStack(0) : itemToUpdate.getItemStack()
-                        );
-                        session.sendDownstreamPacket(creativeActionPacket);
-
-                        if (!sourceIsCursor) { // Cursor is always added for us as an affected slot
-                            affectedSlots.add(sourceSlot);
-                        }
-                        if (!destIsCursor) {
-                            affectedSlots.add(destSlot);
-                        }
-
                     } else if (isCursor(transferAction.getSource())) { //releasing cursor
                         int sourceAmount = cursor.getAmount();
                         if (transferAction.getCount() == sourceAmount) { //release all
@@ -348,35 +286,7 @@ public abstract class InventoryTranslator {
                     if (!(checkNetId(session, inventory, swapAction.getSource()) && checkNetId(session, inventory, swapAction.getDestination())))
                         return rejectRequest(request);
 
-                    if (session.getGameMode().equals(GameMode.CREATIVE) && inventory instanceof PlayerInventory) {
+                    if (isCursor(swapAction.getSource()) && isCursor(swapAction.getDestination())) { //???
-                        int destSlot = bedrockSlotToJava(swapAction.getDestination());
-                        GeyserItemStack oldSourceItem;
-                        GeyserItemStack oldDestinationItem = inventory.getItem(destSlot);
-                        if (isCursor(swapAction.getSource())) {
-                            oldSourceItem = session.getPlayerInventory().getCursor();
-                            session.getPlayerInventory().setCursor(oldDestinationItem, session);
-                        } else {
-                            int sourceSlot = bedrockSlotToJava(swapAction.getSource());
-                            oldSourceItem = inventory.getItem(sourceSlot);
-                            ClientCreativeInventoryActionPacket creativeActionPacket = new ClientCreativeInventoryActionPacket(
-                                    sourceSlot,
-                                    oldDestinationItem.isEmpty() ? new ItemStack(0) : oldDestinationItem.getItemStack() // isEmpty check... just in case
-                            );
-                            session.sendDownstreamPacket(creativeActionPacket);
-                            inventory.setItem(sourceSlot, oldDestinationItem, session);
-                        }
-                        if (isCursor(swapAction.getDestination())) {
-                            session.getPlayerInventory().setCursor(oldSourceItem, session);
-                        } else {
-                            ClientCreativeInventoryActionPacket creativeActionPacket = new ClientCreativeInventoryActionPacket(
-                                    destSlot,
-                                    oldSourceItem.isEmpty() ? new ItemStack(0) : oldSourceItem.getItemStack()
-                            );
-                            session.sendDownstreamPacket(creativeActionPacket);
-                            inventory.setItem(destSlot, oldSourceItem, session);
-                        }
-
-                    } else if (isCursor(swapAction.getSource()) && isCursor(swapAction.getDestination())) { //???
                         return rejectRequest(request);
                     } else if (isCursor(swapAction.getSource())) { //swap cursor
                         int destSlot = bedrockSlotToJava(swapAction.getDestination());
@@ -414,22 +324,6 @@ public abstract class InventoryTranslator {
                         return rejectRequest(request);
 
                     if (isCursor(dropAction.getSource())) { //clicking outside of window
-                        if (session.getGameMode() == GameMode.CREATIVE && inventory instanceof PlayerInventory) {
-                            GeyserItemStack cursorItem = session.getPlayerInventory().getCursor();
-                            GeyserItemStack droppingItem = cursorItem.copy();
-                            // Subtract the cursor item by however much is being dropped
-                            cursorItem.setAmount(cursorItem.getAmount() - dropAction.getCount());
-                            if (cursorItem.isEmpty()) {
-                                // Cursor item no longer exists
-                                session.getPlayerInventory().setCursor(GeyserItemStack.EMPTY, session);
-                            }
-                            droppingItem.setAmount(dropAction.getCount());
-                            ClientCreativeInventoryActionPacket packet = new ClientCreativeInventoryActionPacket(
-                                    Click.OUTSIDE_SLOT,
-                                    droppingItem.getItemStack()
-                            );
-                            session.sendDownstreamPacket(packet);
-                        } else {
                         int sourceAmount = plan.getCursor().getAmount();
                         if (dropAction.getCount() == sourceAmount) { //drop all
                             plan.add(Click.LEFT_OUTSIDE, Click.OUTSIDE_SLOT);
@@ -438,7 +332,6 @@ public abstract class InventoryTranslator {
                                 plan.add(Click.RIGHT_OUTSIDE, Click.OUTSIDE_SLOT); //drop one until goal is met
                             }
                         }
-                        }
                     } else { //dropping from inventory
                         int sourceSlot = bedrockSlotToJava(dropAction.getSource());
                         int sourceAmount = plan.getItem(sourceSlot).getAmount();
@@ -452,39 +345,6 @@ public abstract class InventoryTranslator {
                     }
                     break;
                 }
-                case DESTROY: {
-                    // Only called when a creative client wants to destroy an item... I think - Camotoy
-                    DestroyStackRequestActionData destroyAction = (DestroyStackRequestActionData) action;
-                    if (!session.getGameMode().equals(GameMode.CREATIVE)) {
-                        // If this happens, let's throw an error and figure out why.
-                        return rejectRequest(request);
-                    }
-                    if (!isCursor(destroyAction.getSource())) {
-                        // Item exists; let's remove it from the inventory
-                        int javaSlot = bedrockSlotToJava(destroyAction.getSource());
-                        GeyserItemStack existingItem = inventory.getItem(javaSlot);
-                        existingItem.setAmount(existingItem.getAmount() - destroyAction.getCount());
-                        ClientCreativeInventoryActionPacket destroyItemPacket;
-                        if (existingItem.isEmpty()) {
-                            destroyItemPacket = new ClientCreativeInventoryActionPacket(
-                                    javaSlot,
-                                    new ItemStack(0)
-                            );
-                            inventory.setItem(javaSlot, GeyserItemStack.EMPTY, session);
-                        } else {
-                            destroyItemPacket = new ClientCreativeInventoryActionPacket(
-                                    javaSlot,
-                                    existingItem.getItemStack()
-                            );
-                        }
-                        session.sendDownstreamPacket(destroyItemPacket);
-                        affectedSlots.add(javaSlot);
-                    } else {
-                        // Just sync up the item on our end, since the server doesn't care what's in our cursor
-                        session.getPlayerInventory().setCursor(GeyserItemStack.EMPTY, session);
-                    }
-                    break;
-                }
                 // The following three tend to be called for UI inventories
                 case CONSUME: {
                     if (inventory instanceof CartographyContainer) {
@@ -827,73 +687,7 @@ public abstract class InventoryTranslator {
     }
 
     public ItemStackResponsePacket.Response translateCreativeRequest(GeyserSession session, Inventory inventory, ItemStackRequestPacket.Request request) {
-        int creativeId = 0;
+        // Handled in PlayerInventoryTranslator
-        CraftState craftState = CraftState.START;
-        for (StackRequestActionData action : request.getActions()) {
-            switch (action.getType()) {
-                case CRAFT_CREATIVE: {
-                    CraftCreativeStackRequestActionData creativeAction = (CraftCreativeStackRequestActionData) action;
-                    if (craftState != CraftState.START) {
-                        return rejectRequest(request);
-                    }
-                    craftState = CraftState.RECIPE_ID;
-
-                    creativeId = creativeAction.getCreativeItemNetworkId();
-                    break;
-                }
-                case CRAFT_RESULTS_DEPRECATED: {
-                    CraftResultsDeprecatedStackRequestActionData deprecatedCraftAction = (CraftResultsDeprecatedStackRequestActionData) action;
-                    if (craftState != CraftState.RECIPE_ID) {
-                        return rejectRequest(request);
-                    }
-                    craftState = CraftState.DEPRECATED;
-                    break;
-                }
-                case TAKE:
-                case PLACE: {
-                    TransferStackRequestActionData transferAction = (TransferStackRequestActionData) action;
-                    if (craftState != CraftState.DEPRECATED) {
-                        return rejectRequest(request);
-                    }
-                    craftState = CraftState.TRANSFER;
-
-                    if (transferAction.getSource().getContainer() != ContainerSlotType.CREATIVE_OUTPUT) {
-                        return rejectRequest(request);
-                    }
-                    // Reference the creative items list we send to the client to know what it's asking of us
-                    ItemData creativeItem = ItemRegistry.CREATIVE_ITEMS[creativeId - 1];
-                    // Get the correct count
-                    creativeItem = ItemData.of(creativeItem.getId(), creativeItem.getDamage(), transferAction.getCount(),  creativeItem.getTag());
-                    ItemStack javaCreativeItem = ItemTranslator.translateToJava(creativeItem);
-
-                    if (isCursor(transferAction.getDestination())) {
-                        session.getPlayerInventory().setCursor(GeyserItemStack.from(javaCreativeItem), session);
-                        return acceptRequest(request, Collections.singletonList(
-                                new ItemStackResponsePacket.ContainerEntry(ContainerSlotType.CURSOR,
-                                        Collections.singletonList(makeItemEntry(0, session.getPlayerInventory().getCursor())))));
-                    } else {
-                        int javaSlot = bedrockSlotToJava(transferAction.getDestination());
-                        GeyserItemStack existingItem = inventory.getItem(javaSlot);
-                        if (existingItem.getJavaId() == javaCreativeItem.getId()) {
-                            // Adding more to an existing item
-                            existingItem.setAmount(existingItem.getAmount() + transferAction.getCount());
-                            javaCreativeItem = existingItem.getItemStack();
-                        } else {
-                            inventory.setItem(javaSlot, GeyserItemStack.from(javaCreativeItem), session);
-                        }
-                        ClientCreativeInventoryActionPacket creativeActionPacket = new ClientCreativeInventoryActionPacket(
-                                javaSlot,
-                                javaCreativeItem
-                        );
-                        session.sendDownstreamPacket(creativeActionPacket);
-                        Set<Integer> affectedSlots = Collections.singleton(javaSlot);
-                        return acceptRequest(request, makeContainerEntries(session, inventory, affectedSlots));
-                    }
-                }
-                default:
-                    return rejectRequest(request);
-            }
-        }
         return rejectRequest(request);
     }
 
@@ -1029,11 +823,11 @@ public abstract class InventoryTranslator {
         return itemEntry;
     }
 
-    private static boolean isCursor(StackRequestSlotInfoData slotInfoData) {
+    protected static boolean isCursor(StackRequestSlotInfoData slotInfoData) {
         return slotInfoData.getContainer() == ContainerSlotType.CURSOR;
     }
 
-    private enum CraftState {
+    protected enum CraftState {
         START,
         RECIPE_ID,
         DEPRECATED,

connector/src/main/java/org/geysermc/connector/network/translators/inventory/translators/PlayerInventoryTranslator.java

@@ -25,18 +25,26 @@
 
 package org.geysermc.connector.network.translators.inventory.translators;
 
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
 import com.github.steveice10.mc.protocol.data.game.entity.player.GameMode;
 import com.github.steveice10.mc.protocol.data.game.window.WindowType;
+import com.github.steveice10.mc.protocol.packet.ingame.client.window.ClientCreativeInventoryActionPacket;
 import com.nukkitx.protocol.bedrock.data.inventory.*;
+import com.nukkitx.protocol.bedrock.data.inventory.stackrequestactions.*;
 import com.nukkitx.protocol.bedrock.packet.InventoryContentPacket;
 import com.nukkitx.protocol.bedrock.packet.InventorySlotPacket;
 import com.nukkitx.protocol.bedrock.packet.ItemStackRequestPacket;
+import com.nukkitx.protocol.bedrock.packet.ItemStackResponsePacket;
+import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
+import it.unimi.dsi.fastutil.ints.IntSet;
+import org.geysermc.connector.inventory.GeyserItemStack;
 import org.geysermc.connector.inventory.Inventory;
 import org.geysermc.connector.inventory.PlayerInventory;
 import org.geysermc.connector.network.session.GeyserSession;
 import org.geysermc.connector.network.translators.inventory.BedrockContainerSlot;
 import org.geysermc.connector.network.translators.inventory.InventoryTranslator;
 import org.geysermc.connector.network.translators.inventory.SlotType;
+import org.geysermc.connector.network.translators.item.ItemRegistry;
 import org.geysermc.connector.network.translators.item.ItemTranslator;
 import org.geysermc.connector.utils.InventoryUtils;
 import org.geysermc.connector.utils.LanguageUtils;
@@ -207,6 +215,253 @@ public class PlayerInventoryTranslator extends InventoryTranslator {
         super.translateRequests(session, inventory, requests);
     }
 
+    @Override
+    public ItemStackResponsePacket.Response translateRequest(GeyserSession session, Inventory inventory, ItemStackRequestPacket.Request request) {
+        if (session.getGameMode() != GameMode.CREATIVE) {
+            return super.translateRequest(session, inventory, request);
+        }
+
+        PlayerInventory playerInv = session.getPlayerInventory();
+        IntSet affectedSlots = new IntOpenHashSet();
+        for (StackRequestActionData action : request.getActions()) {
+            switch (action.getType()) {
+                case TAKE:
+                case PLACE: {
+                    TransferStackRequestActionData transferAction = (TransferStackRequestActionData) action;
+                    if (!(checkNetId(session, inventory, transferAction.getSource()) && checkNetId(session, inventory, transferAction.getDestination()))) {
+                        return rejectRequest(request);
+                    }
+                    if (isCraftingGrid(transferAction.getSource()) || isCraftingGrid(transferAction.getDestination())) {
+                        return rejectRequest(request, false);
+                    }
+
+                    int transferAmount = transferAction.getCount();
+                    if (isCursor(transferAction.getDestination())) {
+                        int sourceSlot = bedrockSlotToJava(transferAction.getSource());
+                        GeyserItemStack sourceItem = inventory.getItem(sourceSlot);
+                        if (playerInv.getCursor().isEmpty()) {
+                            playerInv.setCursor(sourceItem.copy(0), session);
+                        }
+
+                        playerInv.getCursor().add(transferAmount);
+                        sourceItem.sub(transferAmount);
+
+                        affectedSlots.add(sourceSlot);
+                    } else if (isCursor(transferAction.getSource())) {
+                        int destSlot = bedrockSlotToJava(transferAction.getDestination());
+                        GeyserItemStack sourceItem = playerInv.getCursor();
+                        if (inventory.getItem(destSlot).isEmpty()) {
+                            inventory.setItem(destSlot, sourceItem.copy(0), session);
+                        }
+
+                        inventory.getItem(destSlot).add(transferAmount);
+                        sourceItem.sub(transferAmount);
+
+                        affectedSlots.add(destSlot);
+                    } else {
+                        int sourceSlot = bedrockSlotToJava(transferAction.getSource());
+                        int destSlot = bedrockSlotToJava(transferAction.getDestination());
+                        GeyserItemStack sourceItem = inventory.getItem(sourceSlot);
+                        if (inventory.getItem(destSlot).isEmpty()) {
+                            inventory.setItem(destSlot, sourceItem.copy(0), session);
+                        }
+
+                        inventory.getItem(destSlot).add(transferAmount);
+                        sourceItem.sub(transferAmount);
+
+                        affectedSlots.add(sourceSlot);
+                        affectedSlots.add(destSlot);
+                    }
+                    break;
+                }
+                case SWAP: {
+                    SwapStackRequestActionData swapAction = (SwapStackRequestActionData) action;
+                    if (!(checkNetId(session, inventory, swapAction.getSource()) && checkNetId(session, inventory, swapAction.getDestination()))) {
+                        return rejectRequest(request);
+                    }
+                    if (isCraftingGrid(swapAction.getSource()) || isCraftingGrid(swapAction.getDestination())) {
+                        return rejectRequest(request, false);
+                    }
+
+                    if (isCursor(swapAction.getDestination())) {
+                        int sourceSlot = bedrockSlotToJava(swapAction.getSource());
+                        GeyserItemStack sourceItem = inventory.getItem(sourceSlot);
+                        GeyserItemStack destItem = playerInv.getCursor();
+
+                        playerInv.setCursor(sourceItem, session);
+                        inventory.setItem(sourceSlot, destItem, session);
+
+                        affectedSlots.add(sourceSlot);
+                    } else if (isCursor(swapAction.getSource())) {
+                        int destSlot = bedrockSlotToJava(swapAction.getDestination());
+                        GeyserItemStack sourceItem = playerInv.getCursor();
+                        GeyserItemStack destItem = inventory.getItem(destSlot);
+
+                        inventory.setItem(destSlot, sourceItem, session);
+                        playerInv.setCursor(destItem, session);
+
+                        affectedSlots.add(destSlot);
+                    } else {
+                        int sourceSlot = bedrockSlotToJava(swapAction.getSource());
+                        int destSlot = bedrockSlotToJava(swapAction.getDestination());
+                        GeyserItemStack sourceItem = inventory.getItem(sourceSlot);
+                        GeyserItemStack destItem = inventory.getItem(destSlot);
+
+                        inventory.setItem(destSlot, sourceItem, session);
+                        inventory.setItem(sourceSlot, destItem, session);
+
+                        affectedSlots.add(sourceSlot);
+                        affectedSlots.add(destSlot);
+                    }
+                    break;
+                }
+                case DROP: {
+                    DropStackRequestActionData dropAction = (DropStackRequestActionData) action;
+                    if (!checkNetId(session, inventory, dropAction.getSource())) {
+                        return rejectRequest(request);
+                    }
+                    if (isCraftingGrid(dropAction.getSource())) {
+                        return rejectRequest(request, false);
+                    }
+
+                    GeyserItemStack sourceItem;
+                    if (isCursor(dropAction.getSource())) {
+                        sourceItem = playerInv.getCursor();
+                    } else {
+                        int sourceSlot = bedrockSlotToJava(dropAction.getSource());
+                        sourceItem = inventory.getItem(sourceSlot);
+                        affectedSlots.add(sourceSlot);
+                    }
+
+                    if (sourceItem.isEmpty()) {
+                        return rejectRequest(request);
+                    }
+
+                    ClientCreativeInventoryActionPacket creativeDropPacket = new ClientCreativeInventoryActionPacket(-1, sourceItem.getItemStack(dropAction.getCount()));
+                    session.sendDownstreamPacket(creativeDropPacket);
+
+                    sourceItem.sub(dropAction.getCount());
+                    break;
+                }
+                case DESTROY: {
+                    // Only called when a creative client wants to destroy an item... I think - Camotoy
+                    DestroyStackRequestActionData destroyAction = (DestroyStackRequestActionData) action;
+                    if (!checkNetId(session, inventory, destroyAction.getSource())) {
+                        return rejectRequest(request);
+                    }
+                    if (isCraftingGrid(destroyAction.getSource())) {
+                        return rejectRequest(request, false);
+                    }
+
+                    if (!isCursor(destroyAction.getSource())) {
+                        // Item exists; let's remove it from the inventory
+                        int javaSlot = bedrockSlotToJava(destroyAction.getSource());
+                        GeyserItemStack existingItem = inventory.getItem(javaSlot);
+                        existingItem.sub(destroyAction.getCount());
+                        affectedSlots.add(javaSlot);
+                    } else {
+                        // Just sync up the item on our end, since the server doesn't care what's in our cursor
+                        playerInv.getCursor().sub(destroyAction.getCount());
+                    }
+                    break;
+                }
+                default:
+                    return rejectRequest(request);
+            }
+        }
+        for (int slot : affectedSlots) {
+            sendCreativeAction(session, inventory, slot);
+        }
+        return acceptRequest(request, makeContainerEntries(session, inventory, affectedSlots));
+    }
+
+    @Override
+    public ItemStackResponsePacket.Response translateCreativeRequest(GeyserSession session, Inventory inventory, ItemStackRequestPacket.Request request) {
+        ItemStack javaCreativeItem = null;
+        IntSet affectedSlots = new IntOpenHashSet();
+        CraftState craftState = CraftState.START;
+        for (StackRequestActionData action : request.getActions()) {
+            switch (action.getType()) {
+                case CRAFT_CREATIVE: {
+                    CraftCreativeStackRequestActionData creativeAction = (CraftCreativeStackRequestActionData) action;
+                    if (craftState != CraftState.START) {
+                        return rejectRequest(request);
+                    }
+                    craftState = CraftState.RECIPE_ID;
+
+                    int creativeId = creativeAction.getCreativeItemNetworkId() - 1;
+                    if (creativeId < 0 || creativeId >= ItemRegistry.CREATIVE_ITEMS.length) {
+                        return rejectRequest(request);
+                    }
+                    // Reference the creative items list we send to the client to know what it's asking of us
+                    ItemData creativeItem = ItemRegistry.CREATIVE_ITEMS[creativeId];
+                    javaCreativeItem = ItemTranslator.translateToJava(creativeItem);
+                    break;
+                }
+                case CRAFT_RESULTS_DEPRECATED: {
+                    CraftResultsDeprecatedStackRequestActionData deprecatedCraftAction = (CraftResultsDeprecatedStackRequestActionData) action;
+                    if (craftState != CraftState.RECIPE_ID) {
+                        return rejectRequest(request);
+                    }
+                    craftState = CraftState.DEPRECATED;
+                    break;
+                }
+                case TAKE:
+                case PLACE: {
+                    TransferStackRequestActionData transferAction = (TransferStackRequestActionData) action;
+                    if (!(craftState == CraftState.DEPRECATED || craftState == CraftState.TRANSFER)) {
+                        return rejectRequest(request);
+                    }
+                    craftState = CraftState.TRANSFER;
+
+                    if (transferAction.getSource().getContainer() != ContainerSlotType.CREATIVE_OUTPUT) {
+                        return rejectRequest(request);
+                    }
+
+                    if (isCursor(transferAction.getDestination())) {
+                        if (session.getPlayerInventory().getCursor().isEmpty()) {
+                            GeyserItemStack newItemStack = GeyserItemStack.from(javaCreativeItem);
+                            newItemStack.setAmount(transferAction.getCount());
+                            session.getPlayerInventory().setCursor(newItemStack, session);
+                        } else {
+                            session.getPlayerInventory().getCursor().add(transferAction.getCount());
+                        }
+                        //cursor is always included in response
+                    } else {
+                        int destSlot = bedrockSlotToJava(transferAction.getDestination());
+                        if (inventory.getItem(destSlot).isEmpty()) {
+                            GeyserItemStack newItemStack = GeyserItemStack.from(javaCreativeItem);
+                            newItemStack.setAmount(transferAction.getCount());
+                            inventory.setItem(destSlot, newItemStack, session);
+                        } else {
+                            inventory.getItem(destSlot).add(transferAction.getCount());
+                        }
+                        affectedSlots.add(destSlot);
+                    }
+                    break;
+                }
+                default:
+                    return rejectRequest(request);
+            }
+        }
+        for (int slot : affectedSlots) {
+            sendCreativeAction(session, inventory, slot);
+        }
+        return acceptRequest(request, makeContainerEntries(session, inventory, affectedSlots));
+    }
+
+    private static void sendCreativeAction(GeyserSession session, Inventory inventory, int slot) {
+        GeyserItemStack item = inventory.getItem(slot);
+        ItemStack itemStack = item.isEmpty() ? new ItemStack(-1, 0, null) : item.getItemStack();
+
+        ClientCreativeInventoryActionPacket creativePacket = new ClientCreativeInventoryActionPacket(slot, itemStack);
+        session.sendDownstreamPacket(creativePacket);
+    }
+
+    private static boolean isCraftingGrid(StackRequestSlotInfoData slotInfoData) {
+        return slotInfoData.getContainer() == ContainerSlotType.CRAFTING_INPUT;
+    }
+
     @Override
     public Inventory createInventory(String name, int windowId, WindowType windowType, PlayerInventory playerInventory) {
         throw new UnsupportedOperationException();