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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 9 Apr 2020 21:20:33 -0400
Subject: [PATCH] Don't move existing players to world spawn
This can cause a nasty server lag the spawn chunks are not kept loaded
or they aren't finished loading yet, or if the world spawn radius is
larger than the keep loaded range.
By skipping this, we avoid potential for a large spike on server start.
== AT ==
public net.minecraft.server.level.ServerPlayer fudgeSpawnLocation(Lnet/minecraft/server/level/ServerLevel;)V
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 613eefeb44beb35181243b570bad631f15802918..9b6887f40dea57d4b5e2f08d7645b1edfaa5b189 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -358,7 +358,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
this.server = server;
this.stats = server.getPlayerList().getPlayerStats(this);
this.advancements = server.getPlayerList().getPlayerAdvancements(this);
- this.moveTo(this.adjustSpawnLocation(world, world.getSharedSpawnPos()).getBottomCenter(), 0.0F, 0.0F);
+ // this.moveTo(this.adjustSpawnLocation(world, world.getSharedSpawnPos()).getBottomCenter(), 0.0F, 0.0F); // Paper - Don't move existing players to world spawn
this.updateOptions(clientOptions);
this.object = null;
@@ -628,7 +628,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
position = Vec3.atCenterOf(world.getSharedSpawnPos());
}
this.setLevel(world);
- this.setPos(position);
+ this.setPosRaw(position.x(), position.y(), position.z()); // Paper - don't register to chunks yet
}
this.gameMode.setLevel((ServerLevel) world);
}
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 43a3eab6959af76948d1c5803c523ed23835a85f..0d8a7b00aa681d79ba82c69c4683a5bbb656c9dd 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -226,6 +226,7 @@ public abstract class PlayerList {
// Paper start - Entity#getEntitySpawnReason
if (optional.isEmpty()) {
player.spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT; // set Player SpawnReason to DEFAULT on first login
+ player.moveTo(player.adjustSpawnLocation(worldserver1, worldserver1.getSharedSpawnPos()).getBottomCenter(), 0.0F, 0.0F);
}
// Paper end - Entity#getEntitySpawnReason
player.setServerLevel(worldserver1);
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