Fix netPacket errors

pom.xml

@@ -130,6 +130,14 @@
             <scope>provided</scope>
         </dependency>
         
+        <dependency>
+            <groupId>org.bukkit</groupId>
+            <artifactId>spigot-112</artifactId>
+            <version>1.12</version>
+            <type>jar</type>
+            <scope>provided</scope>
+        </dependency>
+        
         <!-- PircBotX -->
         <dependency>
             <groupId>com.cnaude.pircbotx</groupId>

src/main/java/com/cnaude/purpleirc/Hooks/VanishHook.java

@@ -19,7 +19,6 @@ package com.cnaude.purpleirc.Hooks;
 import com.cnaude.purpleirc.PurpleIRC;
 import org.bukkit.entity.Player;
 import org.bukkit.metadata.MetadataValue;
-import org.kitteh.vanish.staticaccess.VanishNoPacket;
 
 /**
  *
@@ -46,12 +45,10 @@ public class VanishHook {
         // Try SuperVanish first
         if (plugin.superVanishHook != null) {
             return plugin.superVanishHook.isVanished(player);
-        } else if (plugin.vanishNoPacketHook != null) {
-            return plugin.vanishNoPacketHook.isVanished(player);
         } else {
             // Fallback to other Vanish
             if (player.hasMetadata("vanished")) {
-                plugin.logDebug("Player " + player.getName() + " has vanished metadata" + player.getMetadata("vanished").get(0).asString());
+                plugin.logDebug("Player " + player.getName() + " has vanished metadata" + player.getMetadata("vanished").get(0));
                 MetadataValue md = player.getMetadata("vanished").get(0);
                 if (md.asBoolean()) {
                     plugin.logDebug("Player " + player.getName() + " is vanished.");

src/main/java/com/cnaude/purpleirc/Hooks/VanishNoPacketHook.java

@@ -1,56 +0,0 @@
-/*
- * Copyright (C) 2017 cnaude
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package com.cnaude.purpleirc.Hooks;
-
-import com.cnaude.purpleirc.PurpleIRC;
-import org.bukkit.entity.Player;
-import org.kitteh.vanish.staticaccess.VanishNoPacket;
-import org.kitteh.vanish.staticaccess.VanishNotLoadedException;
-
-/**
- *
- * @author cnaude
- */
-public class VanishNoPacketHook {
-    
-   private final PurpleIRC plugin;
-
-    /**
-     *
-     * @param plugin the PurpleIRC plugin
-     */
-    public VanishNoPacketHook(PurpleIRC plugin) {
-        this.plugin = plugin;      
-    }
-
-    
-    public boolean isVanished(Player player) {
-       try {
-           if (VanishNoPacket.isVanished(player.getName())) {
-               plugin.logDebug("Player " + player.getName() + " is vanished.");
-               return true;
-           } else {
-               plugin.logDebug("Player " + player.getName() + " is NOT vanished.");
-               return false;
-           }
-       } catch (VanishNotLoadedException ex) {
-           plugin.logError("VanishNoPacketHook: " + ex.getMessage());
-           return false;
-       }
-    }
-    
-}

src/main/java/com/cnaude/purpleirc/PurpleIRC.java

@@ -63,7 +63,6 @@ import com.cnaude.purpleirc.Hooks.ShortifyHook;
 import com.cnaude.purpleirc.Hooks.SuperVanishHook;
 import com.cnaude.purpleirc.Hooks.TownyChatHook;
 import com.cnaude.purpleirc.Hooks.VanishHook;
-import com.cnaude.purpleirc.Hooks.VanishNoPacketHook;
 import com.cnaude.purpleirc.Hooks.VaultHook;
 import com.cnaude.purpleirc.Utilities.CaseInsensitiveMap;
 import com.cnaude.purpleirc.Utilities.ChatTokenizer;
@@ -225,7 +224,6 @@ public class PurpleIRC extends JavaPlugin {
     public VaultHook vaultHelpers;
     public VanishHook vanishHook;
     public SuperVanishHook superVanishHook;
-    public VanishNoPacketHook vanishNoPacketHook;
     private YamlConfiguration heroConfig;
     private final File cacheFile;
     private final File uuidCacheFile;
@@ -1728,7 +1726,6 @@ public class PurpleIRC extends JavaPlugin {
         if (isPluginEnabled(PL_VANISHNOPACKET)) {
             hookList.add(hookFormat(PL_VANISHNOPACKET, true));
             getServer().getPluginManager().registerEvents(new VanishNoPacketListener(this), this);
-            vanishNoPacketHook = new VanishNoPacketHook(this);
         } else {
             hookList.add(hookFormat(PL_VANISHNOPACKET, false));
         }

src/main/java/com/cnaude/purpleirc/Utilities/NetPacket_112.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2015 cnaude
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.cnaude.purpleirc.Utilities;
+
+import com.comphenix.protocol.events.PacketContainer;
+import com.comphenix.protocol.wrappers.WrappedGameProfile;
+import com.google.common.base.Charsets;
+import com.mojang.authlib.GameProfile;
+import java.util.UUID;
+import net.minecraft.server.v1_12_R1.EntityPlayer;
+import net.minecraft.server.v1_12_R1.MinecraftServer;
+import net.minecraft.server.v1_12_R1.PacketPlayOutPlayerInfo;
+import net.minecraft.server.v1_12_R1.PlayerInteractManager;
+
+/**
+ *
+ * @author Chris Naude
+ */
+public class NetPacket_112 {
+
+    public static PacketContainer add(String displayName) {
+        UUID uuid = UUID.nameUUIDFromBytes(("OfflinePlayer:" + displayName).getBytes(Charsets.UTF_8));
+        EntityPlayer pl = new EntityPlayer(
+                MinecraftServer.getServer(),
+                MinecraftServer.getServer().getWorldServer(0),
+                (GameProfile) (new WrappedGameProfile(uuid, displayName)).getHandle(),
+                new PlayerInteractManager(MinecraftServer.getServer().getWorldServer(0))
+        );
+        PacketPlayOutPlayerInfo pi
+                = new PacketPlayOutPlayerInfo(
+                        PacketPlayOutPlayerInfo.EnumPlayerInfoAction.ADD_PLAYER, pl);
+        return PacketContainer.fromPacket(pi);
+    }
+
+    public static PacketContainer rem(String displayName) {
+        UUID uuid = UUID.nameUUIDFromBytes(("OfflinePlayer:" + displayName).getBytes(Charsets.UTF_8));
+        EntityPlayer pl = new EntityPlayer(
+                MinecraftServer.getServer(),
+                MinecraftServer.getServer().getWorldServer(0),
+                (GameProfile) (new WrappedGameProfile(uuid, displayName)).getHandle(),
+                new PlayerInteractManager(MinecraftServer.getServer().getWorldServer(0))
+        );
+        PacketPlayOutPlayerInfo pi
+                = new PacketPlayOutPlayerInfo(
+                        PacketPlayOutPlayerInfo.EnumPlayerInfoAction.REMOVE_PLAYER, pl);
+        return PacketContainer.fromPacket(pi);
+    }
+
+}

src/main/java/com/cnaude/purpleirc/Utilities/NetPackets.java

@@ -194,6 +194,17 @@ public class NetPackets {
             } catch (Exception ex) {
                 plugin.logError("tabPacket: " + ex.getMessage());
             }
+        } else if (version.contains("MC: 1.12")) {
+            try {
+                if (add) {
+                    return NetPacket_112.add(displayName);
+                } else {
+                    plugin.logDebug("T112: Removing: " + name);
+                    return NetPacket_112.rem(displayName);
+                }
+            } catch (Exception ex) {
+                plugin.logError("tabPacket: " + ex.getMessage());
+            }
         } else {
             plugin.logDebug("tabPacket: deprecated ");
             playerListConstructor = protocolManager.createPacketConstructor(Packets.Server.PLAYER_INFO, "", false, (int) 0);