mirror of
https://github.com/PaperMC/Paper.git
synced 2024-12-12 09:51:12 +01:00
320 lines
21 KiB
Diff
320 lines
21 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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Feature patch
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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 f2dd272a01b4e946a6746865d55ebc9861f8361b..5d189ba60d40f5c42b2dacc339594ed067418e95 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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@@ -567,6 +567,7 @@ 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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@@ -618,6 +619,11 @@ 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 da719576b2c7e992b74266c7fbe5c9728d238dcf..c93aa97abd46b3ad87e284feac51487ed50b9f5a 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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@@ -1967,6 +1967,7 @@ 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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@@ -2738,7 +2739,7 @@ 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 b451842d6848af883cc3abf200f03c9a4680106c..88299abf563a041ade1683b66b43103b0eeeea0d 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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@@ -396,7 +396,7 @@ 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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@@ -907,12 +907,17 @@ public abstract class PlayerList {
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}
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public void sendActiveEffects(LivingEntity entity, ServerGamePacketListenerImpl networkHandler) {
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+ // Paper start - collect packets
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+ this.sendActiveEffects(entity, networkHandler::send);
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+ }
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+ public void sendActiveEffects(LivingEntity entity, java.util.function.Consumer<Packet<? super net.minecraft.network.protocol.game.ClientGamePacketListener>> packetConsumer) {
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+ // Paper end - collect packets
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Iterator iterator = entity.getActiveEffects().iterator();
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while (iterator.hasNext()) {
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MobEffectInstance mobeffect = (MobEffectInstance) iterator.next();
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- networkHandler.send(new ClientboundUpdateMobEffectPacket(entity.getId(), mobeffect, false));
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+ packetConsumer.accept(new ClientboundUpdateMobEffectPacket(entity.getId(), mobeffect, false)); // Paper - collect packets
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}
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}
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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 6a4f52342c5a195206ecf3ac118e8a4df4d2f3d2..20fcfb7d7d2541731452454d78f6967215c4fcd7 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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@@ -599,13 +599,45 @@ 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 (player.getBukkitEntity().canSee(this.getBukkitEntity())) {
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+ ServerLevel world = (net.minecraft.server.level.ServerLevel)this.level();
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+ net.minecraft.server.level.ChunkMap.TrackedEntity tracker = world == null ? null : world.getChunkSource().chunkMap.entityMap.get(this.getId());
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+ if (tracker == null) {
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+ return;
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+ }
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+ final net.minecraft.server.level.ServerEntity serverEntity = 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 bd34c878d8ca6fb4e4f526761fd657b250c26d80..016be3addd3bf0ae3dd5f6094de3902206c5b43a 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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@@ -4030,6 +4030,11 @@ 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 5a12f4c1de2d020e84af933d491397b38d227824..4eca5996a867086be22d22d99db81ab001467516 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/net/minecraft/world/item/component/Consumable.java b/src/main/java/net/minecraft/world/item/component/Consumable.java
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index fe8618451e3a3f5185704f791723f7897870b6f2..6be5e7b0ce975702ae7c337a06faa59ff3414d64 100644
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--- a/src/main/java/net/minecraft/world/item/component/Consumable.java
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+++ b/src/main/java/net/minecraft/world/item/component/Consumable.java
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@@ -97,10 +97,12 @@ public record Consumable(float consumeSeconds, ItemUseAnimation animation, Holde
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// CraftBukkit start
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public void cancelUsingItem(net.minecraft.server.level.ServerPlayer entityplayer, ItemStack itemstack) {
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+ final java.util.List<net.minecraft.network.protocol.Packet<? super net.minecraft.network.protocol.game.ClientGamePacketListener>> packets = new it.unimi.dsi.fastutil.objects.ObjectArrayList<>(); // Paper - properly resend entities - collect packets for bundle
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itemstack.getAllOfType(ConsumableListener.class).forEach((consumablelistener) -> {
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- consumablelistener.cancelUsingItem(entityplayer, itemstack);
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+ consumablelistener.cancelUsingItem(entityplayer, itemstack, packets); // Paper - properly resend entities - collect packets for bundle
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});
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- entityplayer.server.getPlayerList().sendActivePlayerEffects(entityplayer);
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+ entityplayer.server.getPlayerList().sendActiveEffects(entityplayer, packets::add); // Paper - properly resend entities - collect packets for bundle
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+ entityplayer.connection.send(new net.minecraft.network.protocol.game.ClientboundBundlePacket(packets));
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}
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// CraftBukkit end
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diff --git a/src/main/java/net/minecraft/world/item/component/ConsumableListener.java b/src/main/java/net/minecraft/world/item/component/ConsumableListener.java
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index 03ff8a5aa5083d87d77b68371557cf4e97003114..c66475c7e20b5752dcc9263e44f541f9f2b8e6de 100644
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--- a/src/main/java/net/minecraft/world/item/component/ConsumableListener.java
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+++ b/src/main/java/net/minecraft/world/item/component/ConsumableListener.java
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@@ -8,5 +8,5 @@ public interface ConsumableListener {
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void onConsume(Level world, LivingEntity user, ItemStack stack, Consumable consumable);
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- default void cancelUsingItem(net.minecraft.server.level.ServerPlayer entityplayer, ItemStack itemstack) {} // CraftBukkit
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+ default void cancelUsingItem(net.minecraft.server.level.ServerPlayer entityplayer, ItemStack itemstack, java.util.List<net.minecraft.network.protocol.Packet<? super net.minecraft.network.protocol.game.ClientGamePacketListener>> collectedPackets) {} // CraftBukkit // Paper - properly resend entities - collect packets for bundle
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}
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diff --git a/src/main/java/net/minecraft/world/item/component/OminousBottleAmplifier.java b/src/main/java/net/minecraft/world/item/component/OminousBottleAmplifier.java
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index 202d3c4741f3f6468a09bfd8e661b9823a332ea7..6b5723b817e48a4c231014f28e45b20754c2c090 100644
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--- a/src/main/java/net/minecraft/world/item/component/OminousBottleAmplifier.java
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+++ b/src/main/java/net/minecraft/world/item/component/OminousBottleAmplifier.java
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@@ -28,8 +28,14 @@ public record OminousBottleAmplifier(int value) implements ConsumableListener, T
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@Override
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public void onConsume(Level world, LivingEntity user, ItemStack stack, Consumable consumable) {
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- user.addEffect(new MobEffectInstance(MobEffects.BAD_OMEN, 120000, this.value, false, false, true));
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+ user.addEffect(new MobEffectInstance(MobEffects.BAD_OMEN, 120000, this.value, false, false, true)); // Paper - properly resend entities - diff on change for below
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}
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+ // Paper start - properly resend entities - collect packets for bundle
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+ @Override
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+ public void cancelUsingItem(net.minecraft.server.level.ServerPlayer entityplayer, ItemStack itemstack, java.util.List<net.minecraft.network.protocol.Packet<? super net.minecraft.network.protocol.game.ClientGamePacketListener>> collectedPackets) {
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+ collectedPackets.add(new net.minecraft.network.protocol.game.ClientboundRemoveMobEffectPacket(entityplayer.getId(), MobEffects.BAD_OMEN));
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+ }
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+ // Paper end - properly resend entities - collect packets for bundle
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@Override
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public void addToTooltip(Item.TooltipContext context, Consumer<Component> tooltip, TooltipFlag type) {
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diff --git a/src/main/java/net/minecraft/world/item/component/SuspiciousStewEffects.java b/src/main/java/net/minecraft/world/item/component/SuspiciousStewEffects.java
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index 04760d8ba7c560bd9d11191c666715ae8c3e4bff..021169d709964b1bb65e49bf3fcf3119f0749448 100644
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--- a/src/main/java/net/minecraft/world/item/component/SuspiciousStewEffects.java
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+++ b/src/main/java/net/minecraft/world/item/component/SuspiciousStewEffects.java
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@@ -46,9 +46,9 @@ public record SuspiciousStewEffects(List<SuspiciousStewEffects.Entry> effects) i
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// CraftBukkit start
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@Override
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- public void cancelUsingItem(net.minecraft.server.level.ServerPlayer entityplayer, ItemStack itemstack) {
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+ public void cancelUsingItem(net.minecraft.server.level.ServerPlayer entityplayer, ItemStack itemstack, java.util.List<net.minecraft.network.protocol.Packet<? super net.minecraft.network.protocol.game.ClientGamePacketListener>> collectedPackets) { // Paper - properly resend entities - collect packets for bundle
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for (SuspiciousStewEffects.Entry suspicioussteweffects_a : this.effects) {
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- entityplayer.connection.send(new net.minecraft.network.protocol.game.ClientboundRemoveMobEffectPacket(entityplayer.getId(), suspicioussteweffects_a.effect()));
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+ collectedPackets.add(new net.minecraft.network.protocol.game.ClientboundRemoveMobEffectPacket(entityplayer.getId(), suspicioussteweffects_a.effect())); // Paper - bundlize packets
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}
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}
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// CraftBukkit end
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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 2b1f3e27ce5cecc94297c27debe5e3bd64c08967..d1d9916db7bd4886d30355e6a0ecb69cd21c2364 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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@@ -1008,7 +1008,11 @@ 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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