From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Dreeam <61569423+Dreeam-qwq@users.noreply.github.com>
Date: Mon, 24 Jun 2024 10:49:04 +0800
Subject: [PATCH] Do not place player if the server is full

Fix https://github.com/PaperMC/Paper/issues/10668

diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index eaf81d2fdebae94c3ba5eead84a3ebf1c09fa7ad..dca6ca722c2ce8ab320c2e36eb12fa75b78758ec 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -78,6 +78,7 @@ import net.minecraft.server.level.ClientInformation;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.server.network.CommonListenerCookie;
+import net.minecraft.server.network.ServerCommonPacketListenerImpl;
 import net.minecraft.server.network.ServerGamePacketListenerImpl;
 import net.minecraft.server.network.ServerLoginPacketListenerImpl;
 import net.minecraft.sounds.SoundEvents;
@@ -281,6 +282,13 @@ public abstract class PlayerList {
             return;
         }
         // Gale end - MultiPaper - do not place player in world if kicked before being spawned in
+        // Leaf start - Do not place player if the server is full - copied from canPlayerLogin
+        if (this.players.size() >= this.maxPlayers && !(player.getBukkitEntity().hasPermission("purpur.joinfullserver") || this.canBypassPlayerLimit(gameprofile))) { // Purpur
+            connection.disconnect(io.papermc.paper.adventure.PaperAdventure.asVanilla(net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer.legacySection().deserialize(org.spigotmc.SpigotConfig.serverFullMessage)));
+            //playerconnection.disconnect(io.papermc.paper.adventure.PaperAdventure.asVanilla(net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer.legacySection().deserialize(org.spigotmc.SpigotConfig.serverFullMessage)), org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT);
+            return;
+        }
+        // Leaf end - Do not place player if the server is full - copied from canPlayerLogin
 
         Location loc = ev.getSpawnLocation();
         worldserver1 = ((CraftWorld) loc.getWorld()).getHandle();