diff options
Diffstat (limited to 'patches/server/0893-Properly-resend-entities.patch')
| -rw-r--r-- | patches/server/0893-Properly-resend-entities.patch | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/patches/server/0893-Properly-resend-entities.patch b/patches/server/0893-Properly-resend-entities.patch new file mode 100644 index 0000000000..7fb40cf3fd --- /dev/null +++ b/patches/server/0893-Properly-resend-entities.patch @@ -0,0 +1,161 @@ +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. + +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 d088479d160dbd2fc90b48a30553be141db8eef2..ccb7d92b6c36b6225a2e640f8cea6c0da37464c8 100644 +--- a/src/main/java/net/minecraft/network/syncher/SynchedEntityData.java ++++ b/src/main/java/net/minecraft/network/syncher/SynchedEntityData.java +@@ -253,14 +253,63 @@ public class SynchedEntityData { + // CraftBukkit start + public void refresh(ServerPlayer to) { + if (!this.isEmpty()) { +- List<SynchedEntityData.DataValue<?>> list = this.getNonDefaultValues(); ++ List<SynchedEntityData.DataValue<?>> list = this.packAll(); // Paper - Update EVERYTHING not just not default + + if (list != null) { ++ if (to.getBukkitEntity().canSee(this.entity.getBukkitEntity())) { // Paper + to.connection.send(new ClientboundSetEntityDataPacket(this.entity.getId(), list)); ++ } // Paper + } + } + } + // CraftBukkit end ++ // 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 ++ private List<SynchedEntityData.DataValue<?>> packAll() { ++ if (this.isEmpty()) { ++ return null; ++ } ++ ++ List<SynchedEntityData.DataValue<?>> list = new ArrayList<>(); ++ for (DataItem<?> dataItem : this.itemsById.values()) { ++ list.add(dataItem.value()); ++ } ++ ++ return list; ++ } ++ ++ // This method should only be used if the data of an entity could have became desynced ++ // due to interactions on the client. ++ public void resendPossiblyDesyncedEntity(ServerPlayer player) { ++ if (this.entity.tracker == null) { ++ return; ++ } ++ ++ if (player.getBukkitEntity().canSee(entity.getBukkitEntity())) { ++ net.minecraft.server.level.ServerEntity serverEntity = this.entity.tracker.serverEntity; ++ ++ List<net.minecraft.network.protocol.Packet<net.minecraft.network.protocol.game.ClientGamePacketListener>> list = new 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.entity.getBukkitEntity())) { ++ return; ++ } ++ List<SynchedEntityData.DataValue<?>> values = new ArrayList<>(keys.size()); ++ for (EntityDataAccessor<?> key : keys) { ++ SynchedEntityData.DataItem<?> synchedValue = this.getItem(key); ++ values.add(synchedValue.value()); ++ } ++ ++ to.connection.send(new ClientboundSetEntityDataPacket(this.entity.getId(), values)); ++ } ++ // Paper end + + public static class DataItem<T> { + +diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +index bfa2e9919275a1eb5d83403c5ed88eee245e3194..c4425cd7357049e74e825b824e30b9691ad93196 100644 +--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java ++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +@@ -2648,7 +2648,7 @@ 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.getEntityData().resendPossiblyDesyncedEntity(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 ce04374971e679b4883d8a6ebba4c6832b606a65..19a01b59ce3e75a0ed48e8fc7678063576d9a2b0 100644 +--- a/src/main/java/net/minecraft/server/players/PlayerList.java ++++ b/src/main/java/net/minecraft/server/players/PlayerList.java +@@ -357,7 +357,7 @@ public abstract class PlayerList { + ((ServerLevel)player.level()).getChunkSource().chunkMap.addEntity(player); // Paper - track entity now + // CraftBukkit end + +- player.getEntityData().refresh(player); // CraftBukkit - BungeeCord#2321, send complete data to self on spawn ++ //player.getEntityData().refresh(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/animal/Bucketable.java b/src/main/java/net/minecraft/world/entity/animal/Bucketable.java +index 37596c7b65f280be00e8e59ae18bd1aceae21080..eca18540aeb0b0d4098477d73b14c78a7bf9f455 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.getEntityData().refresh((ServerPlayer) player); // Need to send data such as the display name to client ++ entity.getEntityData().resendPossiblyDesyncedEntity((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 53bda7a59a3abf6f99a044df5f2c44bedf1af501..dc1cc4db2195d4f346bdc5f39e2e14dba454f13d 100644 +--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java ++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java +@@ -1258,7 +1258,11 @@ 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().getEntityData().resendPossiblyDesyncedEntity(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) { |