mirror of
https://github.com/PaperMC/Paper.git
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233 lines
14 KiB
Diff
233 lines
14 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
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Date: Wed, 7 Dec 2022 17:25:19 -0500
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Subject: [PATCH] Properly resend entities
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This resolves some issues which caused entities to not be resent correctly.
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Entities that are interacted with need to be resent to the client, so we resend all the entity
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data to the player whilst making sure not to clear dirty entries from the tracker. This makes
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sure that values will be correctly updated to other players.
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This also adds utilities to aid in further preventing entity desyncs.
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This also also fixes the bug causing cancelling PlayerInteractEvent to cause items to continue
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to be used despite being cancelled on the server.
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For example, items being consumed but never finishing, shields being put up, etc.
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The underlying issue of this is that the client modifies their synced data values,
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and so we have to (forcibly) resend them in order for the client to reset their using item state.
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See: https://github.com/PaperMC/Paper/pull/1896
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== AT ==
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public net.minecraft.server.level.ChunkMap$TrackedEntity serverEntity
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diff --git a/src/main/java/net/minecraft/network/syncher/SynchedEntityData.java b/src/main/java/net/minecraft/network/syncher/SynchedEntityData.java
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index 02bf2705ca1c99023a83a22d92e1962181102297..0f99733660f91280e4c6262cf75b3c9cae86f65a 100644
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--- a/src/main/java/net/minecraft/network/syncher/SynchedEntityData.java
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+++ b/src/main/java/net/minecraft/network/syncher/SynchedEntityData.java
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@@ -50,7 +50,7 @@ public class SynchedEntityData {
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}
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}
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- private <T> SynchedEntityData.DataItem<T> getItem(EntityDataAccessor<T> key) {
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+ public <T> SynchedEntityData.DataItem<T> getItem(EntityDataAccessor<T> key) { // Paper - public
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return (SynchedEntityData.DataItem<T>) this.itemsById[key.id()]; // CraftBukkit - decompile error
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}
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@@ -151,6 +151,20 @@ public class SynchedEntityData {
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}
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}
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+ // Paper start
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+ // We need to pack all as we cannot rely on "non default values" or "dirty" ones.
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+ // Because these values can possibly be desynced on the client.
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+ @Nullable
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+ public List<SynchedEntityData.DataValue<?>> packAll() {
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+ final List<SynchedEntityData.DataValue<?>> list = new ArrayList<>();
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+ for (final DataItem<?> dataItem : this.itemsById) {
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+ list.add(dataItem.value());
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+ }
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+
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+ return list;
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+ }
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+ // Paper end
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+
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public static class DataItem<T> {
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final EntityDataAccessor<T> accessor;
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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index e9dcdb1e09e84a9b451034ff4bdfa6eae2dd1c04..24b1715397ba8e6f5e9841a030d0e3d964356f89 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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@@ -561,6 +561,7 @@ public class ServerPlayerGameMode {
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}
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// Paper end - extend Player Interact cancellation
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player.getBukkitEntity().updateInventory(); // SPIGOT-2867
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+ this.player.resyncUsingItem(this.player); // Paper - Properly cancel usable items
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return (event.useItemInHand() != Event.Result.ALLOW) ? InteractionResult.SUCCESS : InteractionResult.PASS;
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} else if (this.gameModeForPlayer == GameType.SPECTATOR) {
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MenuProvider itileinventory = iblockdata.getMenuProvider(world, blockposition);
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@@ -612,6 +613,11 @@ public class ServerPlayerGameMode {
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return enuminteractionresult;
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} else {
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+ // Paper start - Properly cancel usable items; Cancel only if cancelled + if the interact result is different from default response
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+ if (this.interactResult && this.interactResult != cancelledItem) {
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+ this.player.resyncUsingItem(this.player);
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+ }
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+ // Paper end - Properly cancel usable items
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return InteractionResult.PASS;
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}
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}
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index a8debfad8c8e66099f8a9aedc6f1971a8576dade..7796e191747be545e744564a2b0b65790f69114d 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -1949,6 +1949,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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}
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if (cancelled) {
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+ this.player.resyncUsingItem(this.player); // Paper - Properly cancel usable items
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this.player.getBukkitEntity().updateInventory(); // SPIGOT-2524
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return;
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}
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@@ -2718,7 +2719,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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// Entity in bucket - SPIGOT-4048 and SPIGOT-6859a
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if ((entity instanceof Bucketable && entity instanceof LivingEntity && origItem != null && origItem.asItem() == Items.WATER_BUCKET) && (event.isCancelled() || ServerGamePacketListenerImpl.this.player.getInventory().getSelected() == null || ServerGamePacketListenerImpl.this.player.getInventory().getSelected().getItem() != origItem)) {
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- entity.getBukkitEntity().update(ServerGamePacketListenerImpl.this.player);
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+ entity.resendPossiblyDesyncedEntityData(ServerGamePacketListenerImpl.this.player); // Paper - The entire mob gets deleted, so resend it
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ServerGamePacketListenerImpl.this.player.containerMenu.sendAllDataToRemote();
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}
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diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
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index 1aa8b914e79c0d48094cc22df60ee9750ec3ccd6..369b3485f452ac157b3ebf88b4f1970605d302d2 100644
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--- a/src/main/java/net/minecraft/server/players/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
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@@ -393,7 +393,7 @@ public abstract class PlayerList {
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((ServerLevel)player.level()).getChunkSource().chunkMap.addEntity(player); // Paper - Fire PlayerJoinEvent when Player is actually ready; track entity now
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// CraftBukkit end
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- player.refreshEntityData(player); // CraftBukkit - BungeeCord#2321, send complete data to self on spawn
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+ //player.refreshEntityData(player); // CraftBukkit - BungeeCord#2321, send complete data to self on spawn // Paper - THIS IS NOT NEEDED ANYMORE
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this.sendLevelInfo(player, worldserver1);
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index 1a3932aad22be42997c52ac91e19aad06a868526..5608576f461ce9dec9827f9f581adc5d5757baf1 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -685,13 +685,44 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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// CraftBukkit start
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public void refreshEntityData(ServerPlayer to) {
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- List<SynchedEntityData.DataValue<?>> list = this.getEntityData().getNonDefaultValues();
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+ List<SynchedEntityData.DataValue<?>> list = this.entityData.packAll(); // Paper - Update EVERYTHING not just not default
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- if (list != null) {
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+ if (list != null && to.getBukkitEntity().canSee(this.getBukkitEntity())) { // Paper
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to.connection.send(new ClientboundSetEntityDataPacket(this.getId(), list));
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}
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}
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// CraftBukkit end
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+ // Paper start
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+ // This method should only be used if the data of an entity could have become desynced
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+ // due to interactions on the client.
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+ public void resendPossiblyDesyncedEntityData(net.minecraft.server.level.ServerPlayer player) {
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+ if (this.tracker == null) {
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+ return;
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+ }
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+
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+ if (player.getBukkitEntity().canSee(this.getBukkitEntity())) {
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+ final net.minecraft.server.level.ServerEntity serverEntity = this.tracker.serverEntity;
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+ final List<net.minecraft.network.protocol.Packet<? super net.minecraft.network.protocol.game.ClientGamePacketListener>> list = new java.util.ArrayList<>();
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+ serverEntity.sendPairingData(player, list::add);
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+ player.connection.send(new net.minecraft.network.protocol.game.ClientboundBundlePacket(list));
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+ }
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+ }
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+
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+ // This method allows you to specifically resend certain data accessor keys to the client
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+ public void resendPossiblyDesyncedDataValues(List<EntityDataAccessor<?>> keys, ServerPlayer to) {
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+ if (!to.getBukkitEntity().canSee(this.getBukkitEntity())) {
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+ return;
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+ }
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+
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+ final List<SynchedEntityData.DataValue<?>> values = new java.util.ArrayList<>(keys.size());
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+ for (final EntityDataAccessor<?> key : keys) {
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+ final SynchedEntityData.DataItem<?> synchedValue = this.entityData.getItem(key);
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+ values.add(synchedValue.value());
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+ }
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+
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+ to.connection.send(new ClientboundSetEntityDataPacket(this.id, values));
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+ }
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+ // Paper end
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public boolean equals(Object object) {
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return object instanceof Entity ? ((Entity) object).id == this.id : false;
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diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index 8a876b2d964b70b9ddd2d90bf8fbb983566ef747..aff6cd6b717b8fdff373be1db32d26f1305e2be9 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -3879,6 +3879,11 @@ public abstract class LivingEntity extends Entity implements Attackable {
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return ((Byte) this.entityData.get(LivingEntity.DATA_LIVING_ENTITY_FLAGS) & 2) > 0 ? InteractionHand.OFF_HAND : InteractionHand.MAIN_HAND;
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}
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+ // Paper start - Properly cancel usable items
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+ public void resyncUsingItem(ServerPlayer serverPlayer) {
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+ this.resendPossiblyDesyncedDataValues(java.util.List.of(DATA_LIVING_ENTITY_FLAGS), serverPlayer);
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+ }
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+ // Paper end - Properly cancel usable items
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private void updatingUsingItem() {
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if (this.isUsingItem()) {
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if (ItemStack.isSameItem(this.getItemInHand(this.getUsedItemHand()), this.useItem)) {
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diff --git a/src/main/java/net/minecraft/world/entity/animal/Bucketable.java b/src/main/java/net/minecraft/world/entity/animal/Bucketable.java
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index b586116d8cca1585f9c9e618ed4d0cb2ef2747be..acf38ef6d8de8b15cf2b09eb7bda390c4e446e9a 100644
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--- a/src/main/java/net/minecraft/world/entity/animal/Bucketable.java
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+++ b/src/main/java/net/minecraft/world/entity/animal/Bucketable.java
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@@ -108,8 +108,7 @@ public interface Bucketable {
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itemstack1 = CraftItemStack.asNMSCopy(playerBucketFishEvent.getEntityBucket());
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if (playerBucketFishEvent.isCancelled()) {
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((ServerPlayer) player).containerMenu.sendAllDataToRemote(); // We need to update inventory to resync client's bucket
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- entity.getBukkitEntity().update((ServerPlayer) player); // We need to play out these packets as the client assumes the fish is gone
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- entity.refreshEntityData((ServerPlayer) player); // Need to send data such as the display name to client
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+ entity.resendPossiblyDesyncedEntityData((ServerPlayer) player); // Paper
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return Optional.of(InteractionResult.FAIL);
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}
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entity.playSound(((Bucketable) entity).getPickupSound(), 1.0F, 1.0F);
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index b8eb9166e44da8745a056bf68f2f9316ce25d7a7..2cde808bfa797256409879505ba205a71f381981 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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@@ -1012,7 +1012,11 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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return;
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}
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- entityTracker.broadcast(this.getHandle().getAddEntityPacket(entityTracker.serverEntity));
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+ // Paper start - resend possibly desynced entity instead of add entity packet
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+ for (final ServerPlayerConnection connection : entityTracker.seenBy) {
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+ this.getHandle().resendPossiblyDesyncedEntityData(connection.getPlayer());
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+ }
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+ // Paper end - resend possibly desynced entity instead of add entity packet
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}
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public void update(ServerPlayer player) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItemFrame.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItemFrame.java
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index f3a9b3380246fb2dd4b60a8d1a94c5dfed98d316..350ad61ab3fe66abd528e353b431a4a6dac17506 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItemFrame.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItemFrame.java
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@@ -39,9 +39,11 @@ public class CraftItemFrame extends CraftHanging implements ItemFrame {
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protected void update() {
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super.update();
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+ // Paper start, don't mark as dirty as this is handled in super.update()
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// mark dirty, so that the client gets updated with item and rotation
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- this.getHandle().getEntityData().markDirty(net.minecraft.world.entity.decoration.ItemFrame.DATA_ITEM);
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- this.getHandle().getEntityData().markDirty(net.minecraft.world.entity.decoration.ItemFrame.DATA_ROTATION);
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+ //this.getHandle().getEntityData().markDirty(net.minecraft.world.entity.decoration.ItemFrame.DATA_ITEM);
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+ //this.getHandle().getEntityData().markDirty(net.minecraft.world.entity.decoration.ItemFrame.DATA_ROTATION);
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+ // Paper end
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// update redstone
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if (!this.getHandle().generation) {
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