Cleaned up some NMS reflection fragments

1.19/src/main/java/me/doclic/noencryption/compatibility/Compatibility.java

@@ -11,16 +11,19 @@ public class Compatibility {
     public static final CompatiblePlayer COMPATIBLE_PLAYER;
     public static final CompatiblePacketListener COMPATIBLE_PACKET_LISTENER;
 
+    public static final String PLUGIN_COMPATIBLE_VERSION;
     public static final boolean SERVER_COMPATIBLE;
     public static final String SERVER_VERSION;
 
     static {
 
         String minecraftVersion;
 
+        PLUGIN_COMPATIBLE_VERSION = "1.19-R0.1-SNAPSHOT";
+
         try {
 
-            minecraftVersion = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3]; // Gets the server version
+            minecraftVersion = Bukkit.getBukkitVersion();
 
 
         } catch (ArrayIndexOutOfBoundsException exception) {
@@ -31,7 +34,7 @@ public class Compatibility {
 
         Bukkit.getLogger().info("Your server is running version " + minecraftVersion);
 
-        if (minecraftVersion != null) {
+        if (minecraftVersion != null && minecraftVersion.equals(PLUGIN_COMPATIBLE_VERSION)) {
 
             final String versionPackage = getVersionPackage(minecraftVersion);
 
@@ -53,14 +56,14 @@ public class Compatibility {
 
     private static String getVersionPackage(String minecraftVersion) {
 
-        return Compatibility.class.getPackage().getName() + "." + minecraftVersion;
+        return Compatibility.class.getPackage().getName();
 
     }
 
     private static <T> Class<? extends T> getCompatibleClass(Class<T> clazz, String minecraftVersion, String versionPackage) {
 
         try {
-            final Class<?> compatibleClass = Class.forName(versionPackage + "." + clazz.getSimpleName() + "_" + minecraftVersion);
+            final Class<?> compatibleClass = Class.forName(versionPackage + "." + clazz.getSimpleName());
             if (compatibleClass.getSuperclass() != clazz && !Arrays.asList(compatibleClass.getInterfaces()).contains(clazz)) {
                 return null;
             }

1.19/src/main/java/me/doclic/noencryption/compatibility/CompatiblePacketListener.java

@@ -2,17 +2,32 @@
 
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.ChannelPromise;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.protocol.game.ClientboundPlayerChatPacket;
+import net.minecraft.util.Crypt.SaltSignaturePair;
 
-public interface CompatiblePacketListener {
+import java.util.Optional;
 
-    /**
-     * @return the packet that should be read
-     */
-    Object readPacket(ChannelHandlerContext channelHandlerContext, Object packet) throws Exception;
+public class CompatiblePacketListener {
 
-    /**
-     * @return the packet that should be written
-     */
-    Object writePacket(ChannelHandlerContext channelHandlerContext, Object packet, ChannelPromise promise) throws Exception;
+    public Object readPacket(ChannelHandlerContext channelHandlerContext, Object packet) throws Exception { return packet; }
+
+    public Object writePacket(ChannelHandlerContext channelHandlerContext, Object packet, ChannelPromise promise) throws Exception {
+        if (packet instanceof final ClientboundPlayerChatPacket clientboundPlayerChatPacket) {
+            final Optional<Component> unsignedContent = clientboundPlayerChatPacket.unsignedContent();
+
+            // recreate a new packet
+            return new ClientboundPlayerChatPacket(
+                    unsignedContent.orElse(clientboundPlayerChatPacket.signedContent()), // use unsigned content if available, this is the signed content field
+                    unsignedContent, // unsigned content field
+                    clientboundPlayerChatPacket.typeId(),
+                    clientboundPlayerChatPacket.sender(),
+                    clientboundPlayerChatPacket.timeStamp(),
+                    new SaltSignaturePair(0, new byte[0])); // salt signature field
+            }
+
+        return packet;
+
+    }
 
 }

1.19/src/main/java/me/doclic/noencryption/compatibility/CompatiblePlayer.java

@@ -1,10 +1,15 @@
 package me.doclic.noencryption.compatibility;
 
 import io.netty.channel.Channel;
+import org.bukkit.craftbukkit.v1_19_R1.entity.CraftPlayer;
 import org.bukkit.entity.Player;
 
-public interface CompatiblePlayer {
+public class CompatiblePlayer {
 
-    Channel getChannel(Player player);
+    public Channel getChannel(Player player) {
+
+        return ((CraftPlayer) player).getHandle().connection.connection.channel;
+
+    }
 
 }

1.19/src/main/resources/plugin.yml

@@ -1,5 +1,5 @@
 name: NoEncryption
-version: '${project.version}'
+version: '${project.parent.version}'
 main: me.doclic.noencryption.NoEncryption
 api-version: 1.19
 authors: [ Doclic ]