150 Zeilen
8.5 KiB
Diff
150 Zeilen
8.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 19 Apr 2020 00:05:46 -0400
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Subject: [PATCH] Fix Longstanding Broken behavior of PlayerJoinEvent
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For years, plugin developers have had to delay many things they do
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inside of the PlayerJoinEvent by 1 tick to make it actually work.
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This all boiled down to 1 reason why: The event fired before the
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player was fully ready and joined to the world!
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Additionally, if that player logged out on a vehicle, the event
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fired before the vehicle was even loaded, so that plugins had no
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access to the vehicle during this event either.
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This change finally fixes this issue, fully preparing the player
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into the world as a fully ready entity, vehicle included.
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There should be no plugins that break because of this change, but might
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improve consistency with other plugins instead.
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For example, if 2 plugins listens to this event, and the first one
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teleported the player in the event, then the 2nd plugin actually
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would be getting a valid player!
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This was very non deterministic. This change will ensure every plugin
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receives a deterministic result, and should no longer require 1 tick
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delays anymore.
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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 dbe60f5d24fb39be52c3cb8f933371b1626951df..b3ca4300b280a24f3ed2acaffdd6ae2cdffd140d 100644
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--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
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@@ -1584,7 +1584,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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});
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}
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- protected void addEntity(Entity entity) {
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+ public void addEntity(Entity entity) { // Paper - protected -> public
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org.spigotmc.AsyncCatcher.catchOp("entity track"); // Spigot
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// Paper start - ignore and warn about illegal addEntity calls instead of crashing server
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if (!entity.valid || entity.level != this.level || this.entityMap.containsKey(entity.getId())) {
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@@ -1593,6 +1593,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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.printStackTrace();
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return;
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}
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+ if (entity instanceof ServerPlayer && ((ServerPlayer) entity).supressTrackerForLogin) return; // Delay adding to tracker until after list packets
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// Paper end
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if (!(entity instanceof EnderDragonPart)) {
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EntityType<?> entitytypes = entity.getType();
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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index aa979d17c264840ebd528708df3d6118e69fec68..75a095e0c2177dc1b46b080597ff8f12f1480acc 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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@@ -237,6 +237,7 @@ public class ServerPlayer extends Player implements ContainerListener {
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public double maxHealthCache;
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public boolean joining = true;
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public boolean sentListPacket = false;
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+ public boolean supressTrackerForLogin = false; // Paper
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public Integer clientViewDistance;
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// CraftBukkit end
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public PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper
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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 e043722436492140162940770c22be47690fb47f..454d60566743e02e7e55868c7bb45e30583dfa8f 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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@@ -272,6 +272,12 @@ public abstract class PlayerList {
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this.playersByUUID.put(player.getUUID(), player);
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// this.sendAll(new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.ADD_PLAYER, new EntityPlayer[]{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
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+ player.supressTrackerForLogin = true;
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+ worldserver1.addNewPlayer(player);
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+ this.server.getCustomBossEvents().onPlayerConnect(player); // see commented out section below worldserver.addPlayerJoin(entityplayer);
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+ mountSavedVehicle(player, worldserver1, nbttagcompound);
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+ // Paper end
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// CraftBukkit start
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PlayerJoinEvent playerJoinEvent = new org.bukkit.event.player.PlayerJoinEvent(cserver.getPlayer(player), PaperAdventure.asAdventure(chatmessage)); // Paper - Adventure
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cserver.getPluginManager().callEvent(playerJoinEvent);
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@@ -307,6 +313,8 @@ public abstract class PlayerList {
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player.connection.send(new ClientboundPlayerInfoPacket(ClientboundPlayerInfoPacket.Action.ADD_PLAYER, new ServerPlayer[] { entityplayer1}));
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}
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player.sentListPacket = true;
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+ player.supressTrackerForLogin = false; // Paper
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+ ((ServerLevel)player.level).getChunkSource().chunkMap.addEntity(player); // Paper - track entity now
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// CraftBukkit end
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player.connection.send(new ClientboundSetEntityDataPacket(player.getId(), player.getEntityData(), true)); // CraftBukkit - BungeeCord#2321, send complete data to self on spawn
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@@ -332,6 +340,11 @@ public abstract class PlayerList {
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playerconnection.send(new ClientboundUpdateMobEffectPacket(player.getId(), mobeffect));
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}
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+ // Paper start - move vehicle into method so it can be called above - short circuit around that code
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+ onPlayerJoinFinish(player, worldserver1, s1);
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+ }
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+ private void mountSavedVehicle(ServerPlayer entityplayer, ServerLevel worldserver1, CompoundTag nbttagcompound) {
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+ // Paper end
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if (nbttagcompound != null && nbttagcompound.contains("RootVehicle", 10)) {
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CompoundTag nbttagcompound1 = nbttagcompound.getCompound("RootVehicle");
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// CraftBukkit start
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@@ -354,20 +367,20 @@ public abstract class PlayerList {
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Entity entity1;
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if (entity.getUUID().equals(uuid)) {
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- player.startRiding(entity, true);
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+ entityplayer.startRiding(entity, true);
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} else {
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iterator1 = entity.getIndirectPassengers().iterator();
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while (iterator1.hasNext()) {
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entity1 = (Entity) iterator1.next();
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if (entity1.getUUID().equals(uuid)) {
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- player.startRiding(entity1, true);
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+ entityplayer.startRiding(entity1, true);
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break;
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}
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}
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}
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- if (!player.isPassenger()) {
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+ if (!entityplayer.isPassenger()) {
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PlayerList.LOGGER.warn("Couldn't reattach entity to player");
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worldserver1.despawn(entity);
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iterator1 = entity.getIndirectPassengers().iterator();
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@@ -380,16 +393,20 @@ public abstract class PlayerList {
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}
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}
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- player.initMenu();
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+ // Paper start
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+ }
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+ public void onPlayerJoinFinish(ServerPlayer entityplayer, ServerLevel worldserver1, String s1) {
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+ // Paper end
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+ entityplayer.initMenu();
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// Paper start - Add to collideRule team if needed
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final Scoreboard scoreboard = this.getServer().getLevel(Level.OVERWORLD).getScoreboard();
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final PlayerTeam collideRuleTeam = scoreboard.getTeam(collideRuleTeamName);
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- if (this.collideRuleTeamName != null && collideRuleTeam != null && player.getTeam() == null) {
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- scoreboard.addPlayerToTeam(player.getScoreboardName(), collideRuleTeam);
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+ if (this.collideRuleTeamName != null && collideRuleTeam != null && entityplayer.getTeam() == null) {
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+ scoreboard.addPlayerToTeam(entityplayer.getScoreboardName(), collideRuleTeam);
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}
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// Paper end
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// CraftBukkit - Moved from above, added world
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- PlayerList.LOGGER.info("{}[{}] logged in with entity id {} at ([{}]{}, {}, {})", player.getName().getString(), s1, player.getId(), worldserver1.worldDataServer.getLevelName(), player.getX(), player.getY(), player.getZ());
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+ PlayerList.LOGGER.info("{}[{}] logged in with entity id {} at ([{}]{}, {}, {})", entityplayer.getName().getString(), s1, entityplayer.getId(), worldserver1.worldDataServer.getLevelName(), entityplayer.getX(), entityplayer.getY(), entityplayer.getZ());
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}
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public void updateEntireScoreboard(ServerScoreboard scoreboard, ServerPlayer player) {
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