From 81d1b4a914f40b2e835401bd88f46d6012eeb298 Mon Sep 17 00:00:00 2001
From: yoyosource <yoyosource@nidido.de>
Date: Tue, 12 Oct 2021 20:50:31 +0200
Subject: [PATCH] Add tinyprotocol for SignEdit

Signed-off-by: yoyosource <yoyosource@nidido.de>
---
 .../bausystem/features/world/SignEdit.java    | 70 +++++++++----------
 1 file changed, 32 insertions(+), 38 deletions(-)

diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/world/SignEdit.java b/BauSystem_Main/src/de/steamwar/bausystem/features/world/SignEdit.java
index dc15ef2a..5d525f0c 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/world/SignEdit.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/world/SignEdit.java
@@ -19,17 +19,15 @@
 
 package de.steamwar.bausystem.features.world;
 
-import com.comphenix.protocol.PacketType;
-import com.comphenix.protocol.ProtocolLibrary;
-import com.comphenix.protocol.events.PacketAdapter;
-import com.comphenix.protocol.events.PacketContainer;
-import com.comphenix.protocol.events.PacketEvent;
-import com.comphenix.protocol.wrappers.BlockPosition;
+import com.comphenix.tinyprotocol.Reflection;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.linkage.LinkageType;
 import de.steamwar.bausystem.linkage.Linked;
+import de.steamwar.bausystem.utils.ProtocolAPI;
+import net.minecraft.server.v1_15_R1.BlockPosition;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
+import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.Sign;
@@ -38,13 +36,18 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.player.PlayerInteractEvent;
-
-import java.lang.reflect.InvocationTargetException;
-import java.util.logging.Level;
+import org.bukkit.util.Vector;
 
 @Linked(LinkageType.LISTENER)
 public class SignEdit implements Listener {
 
+    public static final Class<?> openSign = Reflection.getClass("{nms}.PacketPlayOutOpenSignEditor");
+    private static final Reflection.FieldAccessor<net.minecraft.server.v1_15_R1.BlockPosition> blockPositionFieldAccessor = Reflection.getField(openSign, net.minecraft.server.v1_15_R1.BlockPosition.class, 0);
+
+    public static final Class<?> updateSign = Reflection.getClass("{nms}.PacketPlayInUpdateSign");
+    private static final Reflection.FieldAccessor<BlockPosition> getBlockPositionFieldAccessor = Reflection.getField(updateSign, BlockPosition.class, 0);
+    private static final Reflection.FieldAccessor<String[]> stringFieldAccessor = Reflection.getField(updateSign, String[].class, 0);
+
     @EventHandler
     public void editSign(PlayerInteractEvent event) {
         if (event.getAction() != Action.RIGHT_CLICK_BLOCK ||
@@ -62,38 +65,29 @@ public class SignEdit implements Listener {
         }
         sign.update();
 
-        PacketContainer signOpen = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.OPEN_SIGN_EDITOR);
-        signOpen.getBlockPositionModifier().write(0, new BlockPosition(event.getClickedBlock().getLocation().toVector()));
-        try {
-            ProtocolLibrary.getProtocolManager().sendServerPacket(player, signOpen);
-        } catch (InvocationTargetException e) {
-            Bukkit.getLogger().log(Level.SEVERE, "Invocation target exception", e);
-        }
+        Object openSignObject = Reflection.newInstance(openSign);
+        Vector vector = event.getClickedBlock().getLocation().toVector();
+        blockPositionFieldAccessor.set(openSignObject, new BlockPosition(vector.getBlockX(), vector.getBlockY(), vector.getBlockZ()));
+        ProtocolAPI.tinyProtocol.sendPacket(player, openSignObject);
+    }
 
-        ProtocolLibrary.getProtocolManager().addPacketListener(new PacketAdapter(BauSystem.getInstance(), PacketType.Play.Client.UPDATE_SIGN) {
-            @Override
-            public void onPacketReceiving(PacketEvent event) {
-                if (!event.getPlayer().equals(player))
+    {
+        ProtocolAPI.setIncomingHandler(updateSign, (player, o) -> {
+            Bukkit.getScheduler().runTask(BauSystem.getInstance(), () -> {
+                BlockPosition position = getBlockPositionFieldAccessor.get(o);
+                String[] lines = stringFieldAccessor.get(o);
+
+                Block signLoc = new Location(player.getWorld(), position.getX(), position.getY(), position.getZ()).getBlock();
+                if (!signLoc.getType().name().contains("SIGN"))
                     return;
-                event.setCancelled(true);
-                Bukkit.getScheduler().runTask(BauSystem.getInstance(), () -> {
-                    PacketContainer packetContainer = event.getPacket();
-                    BlockPosition position = packetContainer.getBlockPositionModifier().read(0);
-                    String[] lines = packetContainer.getStringArrays().read(0);
 
-                    Block signLoc = position.toLocation(player.getWorld()).getBlock();
-                    if (!signLoc.getType().name().contains("SIGN"))
-                        return;
-
-                    org.bukkit.block.Sign sign = ((Sign) signLoc.getState());
-                    for (int i = 0; i < lines.length; i++) {
-                        sign.setLine(i, ChatColor.translateAlternateColorCodes('&', lines[i]));
-                    }
-                    sign.update();
-
-                    ProtocolLibrary.getProtocolManager().removePacketListener(this);
-                });
-            }
+                org.bukkit.block.Sign sign = ((Sign) signLoc.getState());
+                for (int i = 0; i < lines.length; i++) {
+                    sign.setLine(i, ChatColor.translateAlternateColorCodes('&', lines[i]));
+                }
+                sign.update();
+            });
+            return o;
         });
     }
 }