149 lines
6.6 KiB
Java
149 lines
6.6 KiB
Java
package com.sekwah.advancedportals.compat;
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import com.sekwah.advancedportals.AdvancedPortalsPlugin;
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import org.bukkit.entity.Player;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Field;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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/**
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* Created by on 02/08/2016.
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*
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* I don't think there will be any others supported other than bukkit but if there are its not just the compat that will
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* need to change unless it has a different package for the minecraft server parts
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*
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* @author sekwah41 maxqia
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*/
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public class CraftBukkit {
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private final AdvancedPortalsPlugin plugin;
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private Constructor<?> reallyOldChatConstructor;
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private Method chatMessageTypeMethod;
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private Method serializeMessage;
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private Constructor<?> chatPacketConstructor;
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private Method playerGetHandle;
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private Field playerConnection;
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private Method sendPacket;
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private boolean useEnumType = false;
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// Classes so it doesnt keep fetching them.
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public CraftBukkit(AdvancedPortalsPlugin plugin, String bukkitImpl) throws ClassNotFoundException, NoSuchFieldException, NoSuchMethodException {
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this.plugin = plugin;
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try {
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String craftBukkitPackage = "org.bukkit.craftbukkit." + bukkitImpl + ".";
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String minecraftPackage = "net.minecraft.server." + bukkitImpl + ".";
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this.plugin.getLogger().info("Bukkit version detected " + bukkitImpl);
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Class<?> chatBaseComponent = Class.forName(minecraftPackage + "IChatBaseComponent"); // string to packet methods
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Class<?> chatSerialClass = this.findClass(chatBaseComponent, "ChatSerializer");
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try{
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Class<?> chatMessageTypeClass = Class.forName(minecraftPackage + "ChatMessageType");
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this.chatMessageTypeMethod = chatMessageTypeClass.getMethod("a", byte.class);
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this.chatPacketConstructor = Class.forName(minecraftPackage + "PacketPlayOutChat").getConstructor(chatBaseComponent, chatMessageTypeClass);
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useEnumType = true;
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}
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catch(ClassNotFoundException e) {
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plugin.getLogger().info("Old version detected, changing chat method");
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this.chatPacketConstructor = Class.forName(minecraftPackage + "PacketPlayOutChat").getConstructor(chatBaseComponent, byte.class);
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}
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if(chatSerialClass != null){
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this.serializeMessage = chatSerialClass.getMethod("a", String.class);
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}
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else{
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plugin.getLogger().info("Attempting support for 1.8");
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try {
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this.reallyOldChatConstructor = Class.forName(minecraftPackage + "ChatMessage").getConstructor(String.class, Object[].class);
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}
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catch (ClassNotFoundException e) {
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plugin.getLogger().info("Fallback (I forget what version uses this but it was here for a reason)");
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this.serializeMessage = chatBaseComponent.getMethod("a", String.class);
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}
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}
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this.playerGetHandle = Class.forName(craftBukkitPackage + "entity.CraftPlayer").getMethod("getHandle");
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this.playerConnection = Class.forName(minecraftPackage + "EntityPlayer").getField("playerConnection"); // get player connection
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Class<?> packet = Class.forName(minecraftPackage + "Packet");
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this.sendPacket = playerConnection.getType().getMethod("sendPacket", packet);
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} catch (Exception e) {
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e.printStackTrace();
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plugin.getLogger().warning("Attempting to use backup porekit locations");
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// Fall back on your Porekit
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Class<?> textBaseComponent = Class.forName("net.minecraft.util.text.ITextComponent"); // string to packet methods
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this.serializeMessage = this.findClass(textBaseComponent, "Serializer").getMethod("func_150699_a", String.class); // md: jsonToComponent
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this.chatPacketConstructor = Class.forName("net.minecraft.network.play.server.SPacketChat").getConstructor(textBaseComponent, byte.class);
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this.playerGetHandle = Class.forName("blue.lapis.pore.impl.entity.PorePlayer").getMethod("getHandle");
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this.playerConnection = Class.forName("net.minecraft.entity.player.EntityPlayerMP").getField("field_71135_a"); // get player connection fd: connection
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Class<?> packet = Class.forName("net.minecraft.network.Packet");
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this.sendPacket = playerConnection.getType().getMethod("func_147359_a", packet); //md: sendPacket
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}
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}
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public void sendRawMessage(String rawMessage, Player player) {
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this.sendMessage(rawMessage,player, (byte) 1);
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}
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public void sendActionBarMessage(String rawMessage, Player player) {
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this.sendMessage(rawMessage,player, (byte) 2);
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}
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public void sendMessage(String rawMessage, Player player, byte msgType) {
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try {
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Object comp;
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if(this.reallyOldChatConstructor != null) {
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comp = this.reallyOldChatConstructor.newInstance(rawMessage,new Object[]{});
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}
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else {
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comp = this.serializeMessage.invoke(null,"{\"text\":\"" + rawMessage + "\"}");
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}
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Object packet;
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if(this.useEnumType){
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packet = this.chatPacketConstructor.newInstance(comp, this.chatMessageTypeMethod.invoke(null,msgType)); // convert bytes into packet
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}
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else{
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packet = this.chatPacketConstructor.newInstance(comp, msgType); // convert bytes into packet
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}
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Object handle = this.playerGetHandle.invoke(player);
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Object playerConnection = this.playerConnection.get(handle); // get players connection
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sendPacket.invoke(playerConnection, packet); // send packet
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} catch (IllegalAccessException | InvocationTargetException | InstantiationException e) {
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this.plugin.getLogger().warning("Error creating raw message, something must be wrong with reflection");
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e.printStackTrace();
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}
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/*IChatBaseComponent comp = IChatBaseComponent.ChatSerializer.a(rawMessage);
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// "json message", position(0: chat (chat box), 1: system message (chat box), 2: above action bar)
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PacketPlayOutChat packet = new PacketPlayOutChat(comp, (byte) 1);
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((CraftPlayer) player).getHandle().playerConnection.sendPacket(packet);*/
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}
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public Class<?> findClass(Class<?> classObj, String className){
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for(Class<?> classes : classObj.getDeclaredClasses()){
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if(classes.getSimpleName().equals(className)){
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return classes;
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}
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}
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return null;
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}
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}
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