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c97ce029e9
PaperMC believes that 1.16.2 is now ready for general release as we fixed the main issue plagueing the 1.16.x release, the MapLike data conversion issues. Until now, it was not safe for a server to convert a world to 1.16.2 without data conversion issues around villages and potentially other things. If you did, those MapLike errors meant something went wrong. This is now resolved. Big thanks to all those that helped, notably @BillyGalbreath and @Proximyst who did large parts of the update process with me. Please as always, backup your worlds and test before updating to 1.16.2! If you update to 1.16.2, there is no going back to an older build than this. --------------------------------- Co-authored-by: William Blake Galbreath <Blake.Galbreath@GMail.com> Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com> Co-authored-by: krolik-exe <69214078+krolik-exe@users.noreply.github.com> Co-authored-by: BillyGalbreath <BillyGalbreath@users.noreply.github.com> Co-authored-by: stonar96 <minecraft.stonar96@gmail.com> Co-authored-by: Shane Freeder <theboyetronic@gmail.com> Co-authored-by: Jason <jasonpenilla2@me.com> Co-authored-by: kashike <kashike@vq.lc> Co-authored-by: Aurora <21148213+aurorasmiles@users.noreply.github.com> Co-authored-by: KennyTV <kennytv@t-online.de> Co-authored-by: commandblockguy <commandblockguy1@gmail.com> Co-authored-by: DigitalRegent <misterwener@gmail.com> Co-authored-by: ishland <ishlandmc@yeah.net>
103 lines
5.8 KiB
Diff
103 lines
5.8 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/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
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index b22eb32199de78730bc6db5d803fadde5fd3b7c1..5d7be3c9841949a11a3207d0ff355b78e2e28e81 100644
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--- a/src/main/java/net/minecraft/server/EntityPlayer.java
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+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
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@@ -106,6 +106,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
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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/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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index 842f5ebad2a4d040b9912ec4841de426667cd91d..c2abf8dca89f3a4f3671e21b2cbfe9c7ad130725 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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@@ -1538,6 +1538,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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.printStackTrace();
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return;
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}
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+ if (entity instanceof EntityPlayer && ((EntityPlayer) entity).supressTrackerForLogin) return; // Delay adding to tracker until after list packets
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// Paper end
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if (!(entity instanceof EntityComplexPart)) {
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EntityTypes<?> entitytypes = entity.getEntityType();
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diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
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index 2b8ee11bee76671875b9ca2316181ccd2c0088e6..a38b0f5dbc76214853034b0a4663d985e62111bf 100644
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--- a/src/main/java/net/minecraft/server/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/PlayerList.java
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@@ -200,6 +200,12 @@ public abstract class PlayerList {
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this.j.put(entityplayer.getUniqueID(), entityplayer);
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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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+ entityplayer.supressTrackerForLogin = true;
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+ worldserver1.addPlayerJoin(entityplayer);
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+ this.server.getBossBattleCustomData().a(entityplayer); // see commented out section below worldserver.addPlayerJoin(entityplayer);
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+ mountSavedVehicle(entityplayer, worldserver1, nbttagcompound);
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+ // Paper end
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// CraftBukkit start
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PlayerJoinEvent playerJoinEvent = new PlayerJoinEvent(cserver.getPlayer(entityplayer), joinMessage);
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cserver.getPluginManager().callEvent(playerJoinEvent);
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@@ -234,6 +240,8 @@ public abstract class PlayerList {
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entityplayer.playerConnection.sendPacket(new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.ADD_PLAYER, new EntityPlayer[] { entityplayer1}));
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}
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entityplayer.sentListPacket = true;
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+ entityplayer.supressTrackerForLogin = false; // Paper
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+ ((WorldServer)entityplayer.world).getChunkProvider().playerChunkMap.addEntity(entityplayer); // Paper - track entity now
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// CraftBukkit end
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entityplayer.playerConnection.sendPacket(new PacketPlayOutEntityMetadata(entityplayer.getId(), entityplayer.datawatcher, true)); // CraftBukkit - BungeeCord#2321, send complete data to self on spawn
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@@ -259,6 +267,11 @@ public abstract class PlayerList {
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playerconnection.sendPacket(new PacketPlayOutEntityEffect(entityplayer.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(entityplayer, worldserver1, s1);
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+ }
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+ private void mountSavedVehicle(EntityPlayer entityplayer, WorldServer worldserver1, NBTTagCompound nbttagcompound) {
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+ // Paper end
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if (nbttagcompound != null && nbttagcompound.hasKeyOfType("RootVehicle", 10)) {
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NBTTagCompound nbttagcompound1 = nbttagcompound.getCompound("RootVehicle");
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// CraftBukkit start
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@@ -307,6 +320,10 @@ public abstract class PlayerList {
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}
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}
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+ // Paper start
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+ }
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+ public void onPlayerJoinFinish(EntityPlayer entityplayer, WorldServer worldserver1, String s1) {
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+ // Paper end
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entityplayer.syncInventory();
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// Paper start - Add to collideRule team if needed
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final Scoreboard scoreboard = this.getServer().getWorldServer(World.OVERWORLD).getScoreboard();
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