From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Jake Potrebic Date: Fri, 14 Jan 2022 10:20:40 -0800 Subject: [PATCH] Sync offhand slot in menus Menus don't add slots for the offhand, so on sendAllDataToRemote calls the offhand slot isn't sent. This is not correct because you *can* put stuff into the offhand by pressing the offhand swap item diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java index cd0f542a04ba23fc1bc3ac0a5a1910874f9d7c2c..18518aaa8fad4130b7c89e8a36ed5434258d14f6 100644 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java @@ -341,6 +341,13 @@ public class ServerPlayer extends Player { } + // Paper start + @Override + public void sendOffHandSlotChange() { + ServerPlayer.this.connection.send(new ClientboundContainerSetSlotPacket(ServerPlayer.this.inventoryMenu.containerId, ServerPlayer.this.inventoryMenu.incrementStateId(), net.minecraft.world.inventory.InventoryMenu.SHIELD_SLOT, ServerPlayer.this.inventoryMenu.getSlot(net.minecraft.world.inventory.InventoryMenu.SHIELD_SLOT).getItem().copy())); + } + // Paper end + @Override public void sendSlotChange(AbstractContainerMenu handler, int slot, ItemStack stack) { ServerPlayer.this.connection.send(new ClientboundContainerSetSlotPacket(handler.containerId, handler.incrementStateId(), slot, stack)); diff --git a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java index 176c8048f2fb3822fc14af9bfe5676c9d0768ca3..3ef712299fe248602b0b117c0a8e285cdf4e05c2 100644 --- a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java +++ b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java @@ -200,6 +200,7 @@ public abstract class AbstractContainerMenu { if (this.synchronizer != null) { this.synchronizer.sendInitialData(this, this.remoteSlots, this.remoteCarried, this.remoteDataSlots.toIntArray()); + this.synchronizer.sendOffHandSlotChange(); // Paper - update player's offhand since the offhand slot is not added to the slots for menus but can be changed by swapping from a menu slot } } diff --git a/src/main/java/net/minecraft/world/inventory/ContainerSynchronizer.java b/src/main/java/net/minecraft/world/inventory/ContainerSynchronizer.java index ff4fa86f9408e83e505f7e27692d3423f8570c48..db6c290dcbb8f5cb502f85e154b42ac89350a460 100644 --- a/src/main/java/net/minecraft/world/inventory/ContainerSynchronizer.java +++ b/src/main/java/net/minecraft/world/inventory/ContainerSynchronizer.java @@ -6,6 +6,7 @@ import net.minecraft.world.item.ItemStack; public interface ContainerSynchronizer { void sendInitialData(AbstractContainerMenu handler, NonNullList stacks, ItemStack cursorStack, int[] properties); + default void sendOffHandSlotChange() {} // Paper void sendSlotChange(AbstractContainerMenu handler, int slot, ItemStack stack); void sendCarriedChange(AbstractContainerMenu handler, ItemStack stack);