Fix ProtocolLib support for 1.17+

Author: Sentropic

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.sentropic.guiapi</groupId>
     <artifactId>GUI_API</artifactId>
-    <version>1.2</version>
+    <version>1.2.1</version>
     <packaging>jar</packaging>
 
     <name>GUI API</name>
@@ -76,13 +76,13 @@
         <dependency>
             <groupId>com.github.dmulloy2</groupId>
             <artifactId>ProtocolLib</artifactId>
-            <version>7bac4ec634</version>
+            <version>4.7.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.jetbrains</groupId>
             <artifactId>annotations-java5</artifactId>
-            <version>21.0.1</version>
+            <version>22.0.0</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>

src/main/java/com/sentropic/guiapi/GUIAPI.java

@@ -2,7 +2,6 @@
 
 import com.sentropic.guiapi.command.ReloadCommand;
 import com.sentropic.guiapi.gui.GUI;
-import com.sentropic.guiapi.packet.PacketManager;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.HandlerList;
@@ -74,7 +73,7 @@ public void onPluginDisable(PluginDisableEvent event) {
     private void setProtocolLib(boolean enabled) {
         if ((packetManager != null) == enabled) { return; }
         if (enabled) {
-            packetManager = new PacketManager();
+            packetManager = new PacketManager(this);
         } else {
             packetManager.disable();
             packetManager = null;

src/main/java/com/sentropic/guiapi/PacketManager.java

@@ -0,0 +1,60 @@
+package com.sentropic.guiapi;
+
+import com.comphenix.protocol.PacketType;
+import com.comphenix.protocol.ProtocolLibrary;
+import com.comphenix.protocol.ProtocolManager;
+import com.comphenix.protocol.events.PacketAdapter;
+import com.comphenix.protocol.events.PacketContainer;
+import com.comphenix.protocol.events.PacketEvent;
+import com.comphenix.protocol.utility.MinecraftVersion;
+import com.comphenix.protocol.wrappers.EnumWrappers;
+import com.sentropic.guiapi.gui.GUI;
+import net.md_5.bungee.chat.ComponentSerializer;
+import org.bukkit.plugin.Plugin;
+
+public class PacketManager {
+    private final ProtocolManager protocolManager;
+    private final PacketAdapter packetAdapter;
+
+    PacketManager(Plugin plugin) {
+        protocolManager = ProtocolLibrary.getProtocolManager();
+        if (MinecraftVersion.atOrAbove(new MinecraftVersion("1.17"))) {
+            packetAdapter = new Manager_1_17(plugin);
+        } else {
+            packetAdapter = new Manager_1_16(plugin);
+        }
+        protocolManager.addPacketListener(packetAdapter);
+    }
+
+    public void disable() { protocolManager.removePacketListener(packetAdapter); }
+
+    private static class Manager_1_17 extends PacketAdapter {
+        public Manager_1_17(Plugin plugin) {
+            super(plugin, PacketType.Play.Server.SET_ACTION_BAR_TEXT);
+        }
+
+        @Override
+        public void onPacketSending(PacketEvent event) {
+            if (event.isCancelled() || GUI.isSending()) { return; }
+            boolean success = GUIAPI.getGUIManager().getGUI(event.getPlayer()).addAnonComponent(
+                    ComponentSerializer.parse(event.getPacket().getChatComponents().read(0).getJson())[0]);
+            event.setCancelled(success);
+        }
+    }
+
+    private static class Manager_1_16 extends PacketAdapter {
+        public Manager_1_16(Plugin plugin) {
+            super(plugin, PacketType.Play.Server.TITLE);
+        }
+
+        @Override
+        public void onPacketSending(PacketEvent event) {
+            if (event.isCancelled() || GUI.isSending()) { return; }
+            PacketContainer packet = event.getPacket();
+            if (!packet.getTitleActions().read(0).equals(EnumWrappers.TitleAction.ACTIONBAR)) { return; }
+            boolean success = GUIAPI.getGUIManager().getGUI(event.getPlayer()).addAnonComponent(
+                    ComponentSerializer.parse(packet.getChatComponents().read(0).getJson())[0]);
+            event.setCancelled(success);
+        }
+    }
+}

src/main/java/com/sentropic/guiapi/packet/PacketManager.java

@@ -1,5 +1,5 @@
 name: GUIAPI
-version: 1.2
+version: ${project.version}
 main: com.sentropic.guiapi.GUIAPI
 api-version: 1.16
 softdepend: [ProtocolLib]