package net.minecraft.client.server; import java.net.SocketAddress; import net.fabricmc.api.EnvType; import net.fabricmc.api.Environment; import net.minecraft.core.LayeredRegistryAccess; import net.minecraft.network.chat.Component; import net.minecraft.server.RegistryLayer; import net.minecraft.server.players.NameAndId; import net.minecraft.server.players.PlayerList; import net.minecraft.world.level.storage.PlayerDataStorage; @Environment(EnvType.CLIENT) public class IntegratedPlayerList extends PlayerList { public IntegratedPlayerList( final IntegratedServer server, final LayeredRegistryAccess registryHolder, final PlayerDataStorage playerDataStorage ) { super(server, registryHolder, playerDataStorage, server.notificationManager()); this.setViewDistance(10); } @Override public Component canPlayerLogin(final SocketAddress address, final NameAndId nameAndId) { return (Component)(this.getServer().isSingleplayerOwner(nameAndId) && this.getPlayerByName(nameAndId.name()) != null ? Component.translatable("multiplayer.disconnect.name_taken") : super.canPlayerLogin(address, nameAndId)); } public IntegratedServer getServer() { return (IntegratedServer)super.getServer(); } }