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Paper/patches/server/0378-Fix-Longstanding-Broken-behavior-of-PlayerJoinEvent.patch

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2021-06-11 14:02:28 +02:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 19 Apr 2020 00:05:46 -0400
Subject: [PATCH] Fix Longstanding Broken behavior of PlayerJoinEvent
For years, plugin developers have had to delay many things they do
inside of the PlayerJoinEvent by 1 tick to make it actually work.
This all boiled down to 1 reason why: The event fired before the
player was fully ready and joined to the world!
Additionally, if that player logged out on a vehicle, the event
fired before the vehicle was even loaded, so that plugins had no
access to the vehicle during this event either.
This change finally fixes this issue, fully preparing the player
into the world as a fully ready entity, vehicle included.
There should be no plugins that break because of this change, but might
improve consistency with other plugins instead.
For example, if 2 plugins listens to this event, and the first one
teleported the player in the event, then the 2nd plugin actually
would be getting a valid player!
This was very non deterministic. This change will ensure every plugin
receives a deterministic result, and should no longer require 1 tick
delays anymore.
== AT ==
public net.minecraft.server.level.ChunkMap addEntity(Lnet/minecraft/world/entity/Entity;)V
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diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
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index a8c4c7298e127e5b60a3b43ad168976d29901bc5..48586780da5d260894fe59efaa97cb1facfe73fe 100644
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--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
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@@ -1037,6 +1037,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+ ": " + entity + (this.entityMap.containsKey(entity.getId()) ? " ALREADY CONTAINED (This would have crashed your server)" : ""), new Throwable());
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return;
}
+ if (entity instanceof ServerPlayer && ((ServerPlayer) entity).supressTrackerForLogin) return; // Delay adding to tracker until after list packets
// Paper end
if (!(entity instanceof EnderDragonPart)) {
EntityType<?> entitytypes = entity.getType();
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9440) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 01aa02eb PR-858: Add LivingEntity#playHurtAnimation() 9421320f PR-884: Refinements to new ban API for improved compatibility and correctness 37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API 4eeb174b All smithing inventories are now the new smithing inventory f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop e7a807fa PR-879: Add Player#sendHealthUpdate() 692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml 2d033390 SPIGOT-7403: Add direct API for waxed signs 16a08373 PR-876: Add missing Raider API and 'no action ticks' CraftBukkit Changes: b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation() 95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities 0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness 0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit 648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API 31fe848d6 All smithing inventories are now the new smithing inventory 9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table 9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop 3be9ac171 PR-1220: Add Player#sendHealthUpdate() c1279f775 PR-1209: Clean up various patches c432e4397 Fix Raider#setCelebrating() implementation 504d96665 SPIGOT-7403: Add direct API for waxed signs c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks' 85b89c3dd Increase outdated build delay Spigot Changes: 9ebce8af Rebuild patches 64b565e6 Rebuild patches
2023-07-04 10:22:56 +02:00
index fd34a2ace2efc819b06674ceab44ff78ec11f805..6dcac005b57234983d0ed05fe825a16c98eb4557 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9188) * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 2fcba9b2 SPIGOT-7347: Add missing documentation and details to ShapedRecipe c278419d PR-854: Move getHighestBlockYAt methods from World to RegionAccessor 201399fb PR-853: Add API for directly setting Display transformation matrices ecfa559a PR-849: Add InventoryView#setTitle 653d7edb SPIGOT-519: Add TNTPrimeEvent 22fccc09 PR-846: Add method to get chunk load level a070a52c PR-844: Add methods to convert Vector to and from JOML vectors cc7111fe PR-276: Add accessors to Wither's invulnerability ticks 777d24e9 SPIGOT-7209: Accessors and events for player's exp cooldown ccb2d01b SPIGOT-6308: Deprecate the location name property of map items cd04a31b PR-780: Add PlayerSpawnChangeEvent 7d1f5b64 SPIGOT-6780: Improve documentation for World#spawnFallingBlock 5696668a SPIGOT-6885: Add test and easier to debug code for reference in yaml configuration comments 2e13cff7 PR-589: Expand the FishHook API 2c7d3da5 PR-279: Minor edits to various Javadocs CraftBukkit Changes: 01b2e1af4 SPIGOT-7346: Disallow players from executing commands after disconnecting 7fe5ee022 PR-1186: Move getHighestBlockYAt methods from World to RegionAccessor bcc85ef67 PR-1185: Add API for directly setting Display transformation matrices a7cfc778f PR-1176: Add InventoryView#setTitle 563d42226 SPIGOT-519: Add TNTPrimeEvent ccbc6abca Add test for Chunk.LoadLevel mirroring 2926e0513 PR-1171: Add method to get chunk load level 63cad7f84 PR-375: Add accessors to Wither's invulnerability ticks bfd8b1ac8 SPIGOT-7209: Accessors and events for player's exp cooldown f92a41c39 PR-1181: Consolidate Location conversion code 10f866759 SPIGOT-6308: Deprecate the location name property of map items 82f7b658a PR-1095: Add PlayerSpawnChangeEvent b421af7e4 PR-808: Expand the FishHook API 598ad7b3f Increase outdated build delay Spigot Changes: d1bd3bd2 Rebuild patches e4265cc8 SPIGOT-7297: Entity Tracking Range option for Display entities * Work around javac bug * Call PlayerSpawnChangeEvent * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 2fcba9b2 SPIGOT-7347: Add missing documentation and details to ShapedRecipe c278419d PR-854: Move getHighestBlockYAt methods from World to RegionAccessor 201399fb PR-853: Add API for directly setting Display transformation matrices CraftBukkit Changes: 01b2e1af4 SPIGOT-7346: Disallow players from executing commands after disconnecting 7fe5ee022 PR-1186: Move getHighestBlockYAt methods from World to RegionAccessor bcc85ef67 PR-1185: Add API for directly setting Display transformation matrices Spigot Changes: 7da74dae Rebuild patches
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@@ -267,6 +267,7 @@ public class ServerPlayer extends Player {
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public double maxHealthCache;
public boolean joining = true;
public boolean sentListPacket = false;
+ public boolean supressTrackerForLogin = false; // Paper
public Integer clientViewDistance;
public String kickLeaveMessage = null; // SPIGOT-3034: Forward leave message to PlayerQuitEvent
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// CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9440) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 01aa02eb PR-858: Add LivingEntity#playHurtAnimation() 9421320f PR-884: Refinements to new ban API for improved compatibility and correctness 37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API 4eeb174b All smithing inventories are now the new smithing inventory f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop e7a807fa PR-879: Add Player#sendHealthUpdate() 692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml 2d033390 SPIGOT-7403: Add direct API for waxed signs 16a08373 PR-876: Add missing Raider API and 'no action ticks' CraftBukkit Changes: b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation() 95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities 0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness 0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit 648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API 31fe848d6 All smithing inventories are now the new smithing inventory 9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table 9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop 3be9ac171 PR-1220: Add Player#sendHealthUpdate() c1279f775 PR-1209: Clean up various patches c432e4397 Fix Raider#setCelebrating() implementation 504d96665 SPIGOT-7403: Add direct API for waxed signs c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks' 85b89c3dd Increase outdated build delay Spigot Changes: 9ebce8af Rebuild patches 64b565e6 Rebuild patches
2023-07-04 10:22:56 +02:00
index 0d100788312a234616c1401656f09835458e79f6..97199ae30edfaaacb9ea9d29846ee131395815e6 100644
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--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
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@@ -311,6 +311,12 @@ public abstract class PlayerList {
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this.playersByUUID.put(player.getUUID(), player);
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// this.broadcastAll(ClientboundPlayerInfoUpdatePacket.createPlayerInitializing(List.of(entityplayer))); // CraftBukkit - replaced with loop below
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+ // Paper start - correctly register player BEFORE PlayerJoinEvent, so the entity is valid and doesn't require tick delay hacks
+ player.supressTrackerForLogin = true;
+ worldserver1.addNewPlayer(player);
+ this.server.getCustomBossEvents().onPlayerConnect(player); // see commented out section below worldserver.addPlayerJoin(entityplayer);
+ mountSavedVehicle(player, worldserver1, nbttagcompound);
+ // Paper end
// CraftBukkit start
CraftPlayer bukkitPlayer = player.getBukkitEntity();
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@@ -349,6 +355,8 @@ public abstract class PlayerList {
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player.connection.send(ClientboundPlayerInfoUpdatePacket.createPlayerInitializing(List.of(entityplayer1)));
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}
player.sentListPacket = true;
+ player.supressTrackerForLogin = false; // Paper
+ ((ServerLevel)player.level()).getChunkSource().chunkMap.addEntity(player); // Paper - track entity now
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// CraftBukkit end
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player.getEntityData().refresh(player); // CraftBukkit - BungeeCord#2321, send complete data to self on spawn
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@@ -374,6 +382,11 @@ public abstract class PlayerList {
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playerconnection.send(new ClientboundUpdateMobEffectPacket(player.getId(), mobeffect));
}
+ // Paper start - move vehicle into method so it can be called above - short circuit around that code
+ onPlayerJoinFinish(player, worldserver1, s1);
+ }
+ private void mountSavedVehicle(ServerPlayer player, ServerLevel worldserver1, CompoundTag nbttagcompound) {
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+ // Paper end
if (nbttagcompound != null && nbttagcompound.contains("RootVehicle", 10)) {
CompoundTag nbttagcompound1 = nbttagcompound.getCompound("RootVehicle");
// CraftBukkit start
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@@ -422,6 +435,10 @@ public abstract class PlayerList {
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}
}
+ // Paper start
+ }
+ public void onPlayerJoinFinish(ServerPlayer player, ServerLevel worldserver1, String s1) {
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+ // Paper end
player.initInventoryMenu();
// CraftBukkit - Moved from above, added world
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// Paper start - Add to collideRule team if needed
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@@ -431,6 +448,7 @@ public abstract class PlayerList {
scoreboard.addPlayerToTeam(player.getScoreboardName(), collideRuleTeam);
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}
// Paper end
+ // CraftBukkit - Moved from above, added world
PlayerList.LOGGER.info("{}[{}] logged in with entity id {} at ([{}]{}, {}, {})", player.getName().getString(), s1, player.getId(), worldserver1.serverLevelData.getLevelName(), player.getX(), player.getY(), player.getZ());
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}