added paperlib to fix teleportation on folia

[J4n-T]

Fixes #1572 and includes the suggested improvements from @MWHunter

[J4n-T]

I added paperlib how they described it here

[J4n-T]

What is not legit about that?

[Anthony01M]

Just to make sure, have you tested this on:

1. A Spigot server
2. A Paper (or fork) server
3. On folia (since that's what you're supposed to be fixing)?

(I might be wrong here since I don't have much knowledge of PaperLib) Personally I don't like the way you're doing this and don't believe it would work on non-paper/non-paper-fork (maybe also legacy versions?) which would require you to check if the server is Folia or not, and see if you should use PaperLib or use player.teleport depending on what is being used maybe.

[J4n-T]

I tested it on Folia 1.20.4, Paper 1.20.4 and Spigot 1.8.8. teleportation works (PaperLib has fallbacks for those plattforms). HOWEVER I got following error running the command:

[13:26:33 ERROR]: [ACF] java.lang.ExceptionInInitializerError
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.shaded.com.github.retrooper.packetevents.protocol.player.User.sendMessage(User.java:183)
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.commands.GrimSpectate.onSpectate(GrimSpectate.java:47)
[13:26:33 ERROR]: [ACF]         at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
[13:26:33 ERROR]: [ACF]         at java.base/java.lang.reflect.Method.invoke(Method.java:580)
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.shaded.acf.RegisteredCommand.invoke(RegisteredCommand.java:152)
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.shaded.acf.BaseCommand.executeCommand(BaseCommand.java:578)
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.shaded.acf.BaseCommand.execute(BaseCommand.java:513)
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.shaded.acf.RootCommand.execute(RootCommand.java:99)
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.shaded.acf.BukkitRootCommand.execute(BukkitRootCommand.java:84)
[13:26:33 ERROR]: [ACF]         at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141)
[13:26:33 ERROR]: [ACF]         at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641)
[13:26:33 ERROR]: [ACF]         at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162)
[13:26:33 ERROR]: [ACF]         at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997)
[13:26:33 ERROR]: [ACF]         at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45)
[13:26:33 ERROR]: [ACF]         at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1)
[13:26:33 ERROR]: [ACF]         at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13)
[13:26:33 ERROR]: [ACF]         at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
[13:26:33 ERROR]: [ACF]         at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
[13:26:33 ERROR]: [ACF]         at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44)
[13:26:33 ERROR]: [ACF]         at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715)
[13:26:33 ERROR]: [ACF]         at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374)
[13:26:33 ERROR]: [ACF]         at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654)
[13:26:33 ERROR]: [ACF]         at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557)
[13:26:33 ERROR]: [ACF]         at java.base/java.lang.Thread.run(Thread.java:1583)
[13:26:33 ERROR]: [ACF] Caused by: java.lang.IllegalArgumentException: No enum constant ac.grim.grimac.shaded.com.github.retrooper.packetevents.protocol.player.ClientVersion.V_1_20_1
[13:26:33 ERROR]: [ACF]         at java.base/java.lang.Enum.valueOf(Enum.java:293)
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.shaded.com.github.retrooper.packetevents.protocol.player.ClientVersion.valueOf(ClientVersion.java:41)
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.shaded.com.github.retrooper.packetevents.util.mappings.TypesBuilder.load(TypesBuilder.java:57)
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.shaded.com.github.retrooper.packetevents.util.mappings.TypesBuilder.<init>(TypesBuilder.java:41)
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.shaded.com.github.retrooper.packetevents.util.mappings.TypesBuilder.<init>(TypesBuilder.java:46)
[13:26:33 ERROR]: [ACF]         at ac.grim.grimac.shaded.com.github.retrooper.packetevents.protocol.chat.ChatTypes.<clinit>(ChatTypes.java:42)
[13:26:33 ERROR]: [ACF]         ... 24 more```

I'm not sure if this is related to my change. I'll try to package it without the changes to see if it is caused my me

[J4n-T]

I builded the plugin without my changes in a seperate clean vm and still get the same issue. I guess it's not related?