initial project commit

v1_18_R1/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>net.artelnatif</groupId>
+        <artifactId>nicko-parent</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>nicko-v1_18_R1</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.spigotmc</groupId>
+            <artifactId>spigot</artifactId>
+            <version>1.18.1-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>net.artelnatif</groupId>
+            <artifactId>nicko-core</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
+    </dependencies>
+</project>

v1_18_R1/src/main/java/net/artelnatif/impl/v1_18_R1.java

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+package net.artelnatif.impl;
+
+import com.mojang.authlib.GameProfile;
+import com.mojang.authlib.properties.Property;
+import com.mojang.authlib.properties.PropertyMap;
+import net.artelnatif.nicko.NickoBukkit;
+import net.artelnatif.nicko.disguise.NickoProfile;
+import net.artelnatif.nicko.impl.Internals;
+import net.artelnatif.nicko.mojang.MojangSkin;
+import net.minecraft.network.chat.IChatBaseComponent;
+import net.minecraft.network.protocol.game.*;
+import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
+import net.minecraft.network.syncher.DataWatcherRegistry;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.server.level.EntityPlayer;
+import net.minecraft.world.level.EnumGamemode;
+import net.minecraft.world.level.World;
+import org.bukkit.Bukkit;
+import org.bukkit.craftbukkit.v1_18_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_18_R1.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+import org.bukkit.event.player.PlayerTeleportEvent;
+import org.bukkit.inventory.ItemStack;
+
+import java.io.IOException;
+import java.util.Optional;
+import java.util.concurrent.ExecutionException;
+
+public class v1_18_R1 implements Internals {
+    @Override
+    public void updateSelf(Player player) {
+        final EntityPlayer entityPlayer = ((CraftPlayer) player).getHandle();
+        final ResourceKey<World> levelResourceKey = entityPlayer.x().aa();
+        final CraftWorld world = entityPlayer.W().getWorld();
+        // again, wtf is that
+        // f*ck obfuscation
+        final PacketPlayOutRespawn respawn = new PacketPlayOutRespawn(entityPlayer.W().q_(),
+                levelResourceKey, world.getSeed(),
+                entityPlayer.d.b(), entityPlayer.d.c(),
+                false,
+                false,
+                false);
+
+        final boolean wasFlying = player.isFlying();
+        final ItemStack itemOnCursor = player.getItemOnCursor();
+        entityPlayer.b.a(respawn);
+        player.setFlying(wasFlying);
+        player.setItemOnCursor(itemOnCursor);
+        player.teleport(player.getLocation(), PlayerTeleportEvent.TeleportCause.PLUGIN);
+        player.updateInventory();
+    }
+
+    @Override
+    public void updateOthers(Player player) {
+        final EntityPlayer entityPlayer = ((CraftPlayer) player).getHandle();
+        final PacketPlayOutEntityDestroy destroy = new PacketPlayOutEntityDestroy(entityPlayer.getBukkitEntity().getEntityId());
+        final PacketPlayOutNamedEntitySpawn spawn = new PacketPlayOutNamedEntitySpawn(entityPlayer);
+
+        /*
+          BIT MASKS:
+          0x01 	Cape enabled
+          0x02 	Jacket enabled
+          0x04 	Left sleeve enabled
+          0x08 	Right sleeve enabled
+          0x10 	Left pants leg enabled
+          0x20 	Right pants leg enabled
+          0x40 	Hat enabled
+         */
+        final DataWatcher dataWatcher = entityPlayer.ai();
+        final DataWatcherObject<Byte> displayedSkinPartDataWatcher = new DataWatcherObject<>(17, DataWatcherRegistry.a);
+        dataWatcher.b(displayedSkinPartDataWatcher, (byte) 0x7f); // 127, all masks combined
+        final PacketPlayOutEntityMetadata entityMetadata = new PacketPlayOutEntityMetadata(entityPlayer.getBukkitEntity().getEntityId(), dataWatcher, true);
+
+        Bukkit.getOnlinePlayers().forEach(online -> {
+            EntityPlayer onlineEntityPlayer = ((CraftPlayer) online).getHandle();
+            if (onlineEntityPlayer.getBukkitEntity().getUniqueId() != player.getUniqueId()) {
+                onlineEntityPlayer.b.a(destroy);
+                onlineEntityPlayer.b.a(spawn);
+                onlineEntityPlayer.b.a(entityMetadata);
+            }
+        });
+    }
+
+    @Override
+    public void updateProfile(Player player, NickoProfile profile, boolean skinChange) {
+        final CraftPlayer craftPlayer = (CraftPlayer) player;
+        final EntityPlayer entityPlayer = craftPlayer.getHandle();
+        Optional<MojangSkin> skin;
+
+        final PacketPlayOutPlayerInfo remove = new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.e, entityPlayer);
+        entityPlayer.b.a(remove);
+
+        final PacketPlayOutPlayerInfo add = new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.a);
+        final GameProfile gameProfile = new GameProfile(player.getUniqueId(), profile.getName());
+
+        if (skinChange) {
+            try {
+                final Optional<String> uuid = NickoBukkit.getInstance().getMojangAPI().getUUID(profile.getSkin());
+                if (uuid.isPresent()) {
+                    skin = NickoBukkit.getInstance().getMojangAPI().getSkin(uuid.get());
+                    if (skin.isPresent()) {
+                        final PropertyMap properties = gameProfile.getProperties();
+                        properties.put("textures", new Property("textures", skin.get().value(), skin.get().signature()));
+                        updateSelf(player);
+                    } else {
+                        player.sendMessage(NickoBukkit.getInstance().getNickoConfig().getPrefix() + "§cFailed to get skin from Mojang.");
+                    }
+                } else {
+                    player.sendMessage(NickoBukkit.getInstance().getNickoConfig().getPrefix() + "§cFailed to get username from Mojang. Does the user exists?");
+                }
+            } catch (IOException e) {
+                player.sendMessage(NickoBukkit.getInstance().getNickoConfig().getPrefix() + "§cAn error occurred.");
+            } catch (ExecutionException e) {
+                player.sendMessage(NickoBukkit.getInstance().getNickoConfig().getPrefix() + "§cFailed to get skin from cache.");
+            }
+        }
+
+        add.b().clear();
+        add.b().add(new PacketPlayOutPlayerInfo.PlayerInfoData(gameProfile,
+                player.getPing(),
+                EnumGamemode.a(player.getGameMode().ordinal()), IChatBaseComponent.a(profile.getName())));
+        entityPlayer.b.a(add);
+
+        Bukkit.getOnlinePlayers().forEach(online -> {
+            EntityPlayer onlineEntityPlayer = ((CraftPlayer) online).getHandle();
+            onlineEntityPlayer.b.a(remove);
+            onlineEntityPlayer.b.a(add);
+        });
+        updateOthers(player);
+    }
+}

v1_18_R1/target/maven-archiver/pom.properties

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+#Generated by Maven
+#Thu Oct 13 10:30:56 CEST 2022
+groupId=net.artelnatif
+artifactId=nicko-v1_18_R1
+version=1.0-SNAPSHOT

v1_18_R1/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst

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+net/artelnatif/impl/v1_18_R1.class

v1_18_R1/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst

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+/home/aro/IdeaProjects/Nicko/v1_18_R1/src/main/java/net/artelnatif/impl/v1_18_R1.java