diff options
Diffstat (limited to 'patches/server/1025-Properly-resend-entities.patch')
| -rw-r--r-- | patches/server/1025-Properly-resend-entities.patch | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/patches/server/1025-Properly-resend-entities.patch b/patches/server/1025-Properly-resend-entities.patch new file mode 100644 index 0000000000..4ac71e7b7c --- /dev/null +++ b/patches/server/1025-Properly-resend-entities.patch @@ -0,0 +1,232 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Owen1212055 <[email protected]> +Date: Wed, 7 Dec 2022 17:25:19 -0500 +Subject: [PATCH] Properly resend entities + +This resolves some issues which caused entities to not be resent correctly. +Entities that are interacted with need to be resent to the client, so we resend all the entity +data to the player whilst making sure not to clear dirty entries from the tracker. This makes +sure that values will be correctly updated to other players. + +This also adds utilities to aid in further preventing entity desyncs. + +This also also fixes the bug causing cancelling PlayerInteractEvent to cause items to continue +to be used despite being cancelled on the server. + +For example, items being consumed but never finishing, shields being put up, etc. +The underlying issue of this is that the client modifies their synced data values, +and so we have to (forcibly) resend them in order for the client to reset their using item state. + +See: https://github.com/PaperMC/Paper/pull/1896 + +== AT == +public net.minecraft.server.level.ChunkMap$TrackedEntity serverEntity + +diff --git a/src/main/java/net/minecraft/network/syncher/SynchedEntityData.java b/src/main/java/net/minecraft/network/syncher/SynchedEntityData.java +index 02bf2705ca1c99023a83a22d92e1962181102297..0f99733660f91280e4c6262cf75b3c9cae86f65a 100644 +--- a/src/main/java/net/minecraft/network/syncher/SynchedEntityData.java ++++ b/src/main/java/net/minecraft/network/syncher/SynchedEntityData.java +@@ -50,7 +50,7 @@ public class SynchedEntityData { + } + } + +- private <T> SynchedEntityData.DataItem<T> getItem(EntityDataAccessor<T> key) { ++ public <T> SynchedEntityData.DataItem<T> getItem(EntityDataAccessor<T> key) { // Paper - public + return (SynchedEntityData.DataItem<T>) this.itemsById[key.id()]; // CraftBukkit - decompile error + } + +@@ -151,6 +151,20 @@ public class SynchedEntityData { + } + } + ++ // Paper start ++ // We need to pack all as we cannot rely on "non default values" or "dirty" ones. ++ // Because these values can possibly be desynced on the client. ++ @Nullable ++ public List<SynchedEntityData.DataValue<?>> packAll() { ++ final List<SynchedEntityData.DataValue<?>> list = new ArrayList<>(); ++ for (final DataItem<?> dataItem : this.itemsById) { ++ list.add(dataItem.value()); ++ } ++ ++ return list; ++ } ++ // Paper end ++ + public static class DataItem<T> { + + final EntityDataAccessor<T> accessor; +diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java +index abb9a86cd42a34cf722a312068134e820ac21956..f168044d36f22080504da171e5ed31a6f02385ba 100644 +--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java ++++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java +@@ -556,6 +556,7 @@ public class ServerPlayerGameMode { + } + // Paper end - extend Player Interact cancellation + player.getBukkitEntity().updateInventory(); // SPIGOT-2867 ++ this.player.resyncUsingItem(this.player); // Paper - Properly cancel usable items + return (event.useItemInHand() != Event.Result.ALLOW) ? InteractionResult.SUCCESS : InteractionResult.PASS; + } else if (this.gameModeForPlayer == GameType.SPECTATOR) { + MenuProvider itileinventory = iblockdata.getMenuProvider(world, blockposition); +@@ -607,6 +608,11 @@ public class ServerPlayerGameMode { + + return enuminteractionresult; + } else { ++ // Paper start - Properly cancel usable items; Cancel only if cancelled + if the interact result is different from default response ++ if (this.interactResult && this.interactResult != cancelledItem) { ++ this.player.resyncUsingItem(this.player); ++ } ++ // Paper end - Properly cancel usable items + return InteractionResult.PASS; + } + } +diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +index ae927c2cdf151b901822636a2543668f85946430..ea7a2db0d71a69a6f67fda032f01c9a126bd3100 100644 +--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java ++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +@@ -2004,6 +2004,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl + } + + if (cancelled) { ++ this.player.resyncUsingItem(this.player); // Paper - Properly cancel usable items + this.player.getBukkitEntity().updateInventory(); // SPIGOT-2524 + return; + } +@@ -2788,7 +2789,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl + + // Entity in bucket - SPIGOT-4048 and SPIGOT-6859a + 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)) { +- ServerGamePacketListenerImpl.this.send(new ClientboundAddEntityPacket(entity)); ++ entity.resendPossiblyDesyncedEntityData(ServerGamePacketListenerImpl.this.player); // Paper - The entire mob gets deleted, so resend it. + ServerGamePacketListenerImpl.this.player.containerMenu.sendAllDataToRemote(); + } + +diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java +index 68446b7532dfbda303293aa9e756644c6fcdffca..a2142930b4d4b05987c90496fb9d733d99040aa0 100644 +--- a/src/main/java/net/minecraft/server/players/PlayerList.java ++++ b/src/main/java/net/minecraft/server/players/PlayerList.java +@@ -393,7 +393,7 @@ public abstract class PlayerList { + ((ServerLevel)player.level()).getChunkSource().chunkMap.addEntity(player); // Paper - Fire PlayerJoinEvent when Player is actually ready; track entity now + // CraftBukkit end + +- player.refreshEntityData(player); // CraftBukkit - BungeeCord#2321, send complete data to self on spawn ++ //player.refreshEntityData(player); // CraftBukkit - BungeeCord#2321, send complete data to self on spawn // Paper - THIS IS NOT NEEDED ANYMORE + + this.sendLevelInfo(player, worldserver1); + +diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java +index 8ad2d17615ff489b2fbbb13480dd0b217a42d805..2bc85351e6e52f90da5fdb29d8d042a06132d742 100644 +--- a/src/main/java/net/minecraft/world/entity/Entity.java ++++ b/src/main/java/net/minecraft/world/entity/Entity.java +@@ -704,13 +704,44 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess + + // CraftBukkit start + public void refreshEntityData(ServerPlayer to) { +- List<SynchedEntityData.DataValue<?>> list = this.getEntityData().getNonDefaultValues(); ++ List<SynchedEntityData.DataValue<?>> list = this.entityData.packAll(); // Paper - Update EVERYTHING not just not default + +- if (list != null) { ++ if (list != null && to.getBukkitEntity().canSee(this.getBukkitEntity())) { // Paper + to.connection.send(new ClientboundSetEntityDataPacket(this.getId(), list)); + } + } + // CraftBukkit end ++ // Paper start ++ // This method should only be used if the data of an entity could have become desynced ++ // due to interactions on the client. ++ public void resendPossiblyDesyncedEntityData(net.minecraft.server.level.ServerPlayer player) { ++ if (this.tracker == null) { ++ return; ++ } ++ ++ if (player.getBukkitEntity().canSee(this.getBukkitEntity())) { ++ final net.minecraft.server.level.ServerEntity serverEntity = this.tracker.serverEntity; ++ final List<net.minecraft.network.protocol.Packet<? super net.minecraft.network.protocol.game.ClientGamePacketListener>> list = new java.util.ArrayList<>(); ++ serverEntity.sendPairingData(player, list::add); ++ player.connection.send(new net.minecraft.network.protocol.game.ClientboundBundlePacket(list)); ++ } ++ } ++ ++ // This method allows you to specifically resend certain data accessor keys to the client ++ public void resendPossiblyDesyncedDataValues(List<EntityDataAccessor<?>> keys, ServerPlayer to) { ++ if (!to.getBukkitEntity().canSee(this.getBukkitEntity())) { ++ return; ++ } ++ ++ final List<SynchedEntityData.DataValue<?>> values = new java.util.ArrayList<>(keys.size()); ++ for (final EntityDataAccessor<?> key : keys) { ++ final SynchedEntityData.DataItem<?> synchedValue = this.entityData.getItem(key); ++ values.add(synchedValue.value()); ++ } ++ ++ to.connection.send(new ClientboundSetEntityDataPacket(this.id, values)); ++ } ++ // Paper end + + public boolean equals(Object object) { + return object instanceof Entity ? ((Entity) object).id == this.id : false; +diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java +index 75e01c1e01e0782fc8af48777bbe4716d37aeafa..2d375fc98e72246f6a640c390cb50d055fb59f8b 100644 +--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java ++++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java +@@ -3828,6 +3828,11 @@ public abstract class LivingEntity extends Entity implements Attackable { + return ((Byte) this.entityData.get(LivingEntity.DATA_LIVING_ENTITY_FLAGS) & 2) > 0 ? InteractionHand.OFF_HAND : InteractionHand.MAIN_HAND; + } + ++ // Paper start - Properly cancel usable items ++ public void resyncUsingItem(ServerPlayer serverPlayer) { ++ this.resendPossiblyDesyncedDataValues(java.util.List.of(DATA_LIVING_ENTITY_FLAGS), serverPlayer); ++ } ++ // Paper end - Properly cancel usable items + private void updatingUsingItem() { + if (this.isUsingItem()) { + if (ItemStack.isSameItem(this.getItemInHand(this.getUsedItemHand()), this.useItem)) { +diff --git a/src/main/java/net/minecraft/world/entity/animal/Bucketable.java b/src/main/java/net/minecraft/world/entity/animal/Bucketable.java +index cb4a6439e9774bbec07e69b13df8dddd395b9ece..cfe37b4f5e33795ee717d824d86e3a0919129cf5 100644 +--- a/src/main/java/net/minecraft/world/entity/animal/Bucketable.java ++++ b/src/main/java/net/minecraft/world/entity/animal/Bucketable.java +@@ -109,8 +109,7 @@ public interface Bucketable { + itemstack1 = CraftItemStack.asNMSCopy(playerBucketFishEvent.getEntityBucket()); + if (playerBucketFishEvent.isCancelled()) { + ((ServerPlayer) player).containerMenu.sendAllDataToRemote(); // We need to update inventory to resync client's bucket +- ((ServerPlayer) player).connection.send(new ClientboundAddEntityPacket(entity)); // We need to play out these packets as the client assumes the fish is gone +- entity.refreshEntityData((ServerPlayer) player); // Need to send data such as the display name to client ++ entity.resendPossiblyDesyncedEntityData((ServerPlayer) player); // Paper + return Optional.of(InteractionResult.FAIL); + } + entity.playSound(((Bucketable) entity).getPickupSound(), 1.0F, 1.0F); +diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java +index 3ab04c4bdbe26ff7f6f54eb9cdd58376c592fa05..a2d336ceb52b63db5c03432ee7bc94dc6a742b82 100644 +--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java ++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java +@@ -1010,7 +1010,11 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity { + return; + } + +- entityTracker.broadcast(this.getHandle().getAddEntityPacket()); ++ // Paper start, resend possibly desynced entity instead of add entity packet ++ for (ServerPlayerConnection playerConnection : entityTracker.seenBy) { ++ this.getHandle().resendPossiblyDesyncedEntityData(playerConnection.getPlayer()); ++ } ++ // Paper end + } + + private static PermissibleBase getPermissibleBase() { +diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItemFrame.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItemFrame.java +index 0801bcdee8fcff0d388d302387e4f1d587e0a283..2fcd9b836d42e3549a3b6b921c57a4c103146dff 100644 +--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItemFrame.java ++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItemFrame.java +@@ -39,9 +39,11 @@ public class CraftItemFrame extends CraftHanging implements ItemFrame { + protected void update() { + super.update(); + ++ // Paper start, don't mark as dirty as this is handled in super.update() + // mark dirty, so that the client gets updated with item and rotation +- this.getHandle().getEntityData().markDirty(net.minecraft.world.entity.decoration.ItemFrame.DATA_ITEM); +- this.getHandle().getEntityData().markDirty(net.minecraft.world.entity.decoration.ItemFrame.DATA_ROTATION); ++ //this.getHandle().getEntityData().markDirty(net.minecraft.world.entity.decoration.ItemFrame.DATA_ITEM); ++ //this.getHandle().getEntityData().markDirty(net.minecraft.world.entity.decoration.ItemFrame.DATA_ROTATION); ++ // Paper end + + // update redstone + if (!this.getHandle().generation) { |