feat(wrapper): only support 1.20/1.21 (not working for >1.20.2?)

src/main/java/xyz/ineanto/nicko/NickoBukkit.java

@@ -64,8 +64,9 @@ public class NickoBukkit extends JavaPlugin {
 
         dataStore = new PlayerDataStore(mojangAPI, getNickoConfig());
 
-        if (!MinecraftVersion.WILD_UPDATE.atOrAbove()) {
+        if (!MinecraftVersion.TRAILS_AND_TAILS.atOrAbove()) {
             getLogger().severe("This version (" + MinecraftVersion.getCurrentVersion().getVersion() + ") is not supported by Nicko!");
+            getLogger().severe("As of version 1.0.7, Nicko only supports the latest two majors Minecraft versions. (Currently 1.20.X-1.21.X)");
             dataStore.getStorage().setError(true);
             Bukkit.getPluginManager().disablePlugin(this);
         }

src/main/java/xyz/ineanto/nicko/appearance/AppearanceManager.java

@@ -151,7 +151,7 @@ public class AppearanceManager {
         respawn.setGameMode(player.getGameMode());
         respawn.setPreviousGameMode(player.getGameMode());
         respawn.setCopyMetadata(true);
-        respawn.sendPacket(player);
+        //respawn.sendPacket(player);
         player.teleport(player.getLocation(), PlayerTeleportEvent.TeleportCause.PLUGIN);
         player.setAllowFlight(wasAllowedToFly);
         player.setFlying(wasFlying);

src/main/java/xyz/ineanto/nicko/wrapper/WrapperPlayServerRespawn.java

@@ -3,95 +3,87 @@ package xyz.ineanto.nicko.wrapper;
 import com.comphenix.protocol.PacketType;
 import com.comphenix.protocol.events.InternalStructure;
 import com.comphenix.protocol.events.PacketContainer;
-import com.comphenix.protocol.reflect.StructureModifier;
 import com.comphenix.protocol.utility.MinecraftReflection;
 import com.comphenix.protocol.utility.MinecraftVersion;
-import com.comphenix.protocol.wrappers.*;
+import com.comphenix.protocol.wrappers.BukkitConverters;
+import com.comphenix.protocol.wrappers.EnumWrappers;
+import com.comphenix.protocol.wrappers.MinecraftKey;
 import com.google.common.hash.Hashing;
 import org.bukkit.GameMode;
 import org.bukkit.World;
 
 /**
- * PacketPlayServerRespawn Wrapper class (1.19 to 1.21 (one day))
+ * PacketPlayServerRespawn Wrapper class (1.20.X to 1.21.X)
- *
- * @author ineanto, based on work from dmulloy2 and Kristian S. Strangeland
  * <p>
- * In 1.20.2, all the fields were replaced with a
+ * In 1.20.2, all the fields were merged inside a
- * single "CommonPlayerSpawnInfo" record object.
+ * single "CommonPlayerSpawnInfo" record.
+ *
+ * @author inenato (w/ additional help from lukalt), based on work from dmulloy2 and Kristian S. Strangeland
  */
 public class WrapperPlayServerRespawn extends AbstractPacket {
     public static final PacketType TYPE = PacketType.Play.Server.RESPAWN;
 
-    private final InternalStructure commonPlayerSpawnInfoStructure;
+    private final InternalStructure spawnInfoStructure;
 
     public WrapperPlayServerRespawn() {
         super(new PacketContainer(TYPE), TYPE);
         handle.getModifier().writeDefaults();
-        commonPlayerSpawnInfoStructure = handle.getStructures().readSafely(0);
+        spawnInfoStructure = handle.getStructures().readSafely(0);
     }
 
     public void setDimension(World value) {
-        if (commonPlayerSpawnInfoStructure == null) {
+        if (!MinecraftVersion.CONFIG_PHASE_PROTOCOL_UPDATE.atOrAbove()) {
-            System.out.println("cPSIS null");
+            // 1.20 to 1.20.1 (by lukalt)
-            // 1.19 to 1.20.1, props to lukalt for helping me figure this out.
+            final InternalStructure dimensionType = handle.getStructures().read(0);
-            writeDimensionToStructure(value, handle.getStructures(), handle.getWorldKeys());
+            dimensionType.getMinecraftKeys().writeSafely(0, new MinecraftKey("minecraft", "dimension_type"));
+            dimensionType.getMinecraftKeys().writeSafely(1, new MinecraftKey("minecraft", "overworld"));
+            handle.getStructures().writeSafely(0, dimensionType);
+            handle.getWorldKeys().writeSafely(0, value);
             return;
         }
 
         // 1.20.2 to 1.21
-        writeDimensionToStructure(value, commonPlayerSpawnInfoStructure.getStructures(), commonPlayerSpawnInfoStructure.getWorldKeys());
+        if (MinecraftVersion.TRAILS_AND_TAILS.atOrAbove() && !MinecraftVersion.v1_21_0.atOrAbove()) {
+            spawnInfoStructure.getHolders(
+                    MinecraftReflection.getDimensionManager(),
+                    BukkitConverters.getDimensionConverter()
+            ).write(0, value);
+            spawnInfoStructure.getWorldKeys().writeSafely(0, value);
+            handle.getStructures().writeSafely(0, spawnInfoStructure);
+        }
     }
 
     public void setGameMode(GameMode value) {
-        if (MinecraftVersion.CONFIG_PHASE_PROTOCOL_UPDATE.atOrAbove()) {
+        if (!MinecraftVersion.CONFIG_PHASE_PROTOCOL_UPDATE.atOrAbove()) {
-            commonPlayerSpawnInfoStructure.getGameModes().writeSafely(0, EnumWrappers.NativeGameMode.fromBukkit(value));
+            // 1.20 to 1.20.1
+            handle.getGameModes().writeSafely(0, EnumWrappers.NativeGameMode.fromBukkit(value));
             return;
         }
-        handle.getGameModes().writeSafely(0, EnumWrappers.NativeGameMode.fromBukkit(value));
+
+        spawnInfoStructure.getGameModes().writeSafely(0, EnumWrappers.NativeGameMode.fromBukkit(value));
     }
 
     public void setPreviousGameMode(GameMode value) {
-        if (MinecraftVersion.CONFIG_PHASE_PROTOCOL_UPDATE.atOrAbove()) {
+        if (!MinecraftVersion.CONFIG_PHASE_PROTOCOL_UPDATE.atOrAbove()) {
-            commonPlayerSpawnInfoStructure.getGameModes().writeSafely(1, EnumWrappers.NativeGameMode.fromBukkit(value));
+            // 1.20 to 1.20.1
+            handle.getGameModes().writeSafely(1, EnumWrappers.NativeGameMode.fromBukkit(value));
             return;
         }
-        handle.getGameModes().writeSafely(1, EnumWrappers.NativeGameMode.fromBukkit(value));
+
+        spawnInfoStructure.getGameModes().writeSafely(1, EnumWrappers.NativeGameMode.fromBukkit(value));
     }
 
     public void setCopyMetadata(boolean value) {
-        if (MinecraftVersion.CONFIG_PHASE_PROTOCOL_UPDATE.atOrAbove()) return;
+        if (!MinecraftVersion.CONFIG_PHASE_PROTOCOL_UPDATE.atOrAbove()) return;
-        if (MinecraftVersion.FEATURE_PREVIEW_UPDATE.atOrAbove()) {
+
-            handle.getBytes().writeSafely(0, ((byte) (value ? 0x01 : 0x00)));
+        // 1.20 to 1.20.1
-        } else {
+        handle.getBooleans().writeSafely(0, value);
-            handle.getBooleans().writeSafely(0, value);
-        }
     }
 
     public void setSeed(long value) {
-        if (MinecraftVersion.WILD_UPDATE.atOrAbove() && !MinecraftVersion.CONFIG_PHASE_PROTOCOL_UPDATE.atOrAbove()) {
+        if (!MinecraftVersion.CONFIG_PHASE_PROTOCOL_UPDATE.atOrAbove()) {
+            // 1.20 to 1.20.1
             handle.getLongs().writeSafely(0, Hashing.sha256().hashLong(value).asLong());
         }
     }
-
-    private void writeDimensionToStructure(World value, StructureModifier<InternalStructure> structures, StructureModifier<World> worldKeys) {
-        if (MinecraftVersion.TRAILS_AND_TAILS.atOrAbove() && !MinecraftVersion.v1_20_5.atOrAbove()) {
-            final InternalStructure dimensionType = structures.readSafely(0);
-            if (dimensionType != null) {
-                // 1.20.2 to 1.20.5
-                dimensionType.getMinecraftKeys().writeSafely(0, new MinecraftKey("minecraft", "dimension_type"));
-                dimensionType.getMinecraftKeys().writeSafely(1, new MinecraftKey("minecraft", "overworld"));
-                structures.writeSafely(0, dimensionType);
-            }
-        } else {
-            // 1.20.5/6 to 1.21
-            final StructureModifier<World> worldHolder = commonPlayerSpawnInfoStructure.getHolders(
-                    MinecraftReflection.getDimensionManager(),
-                    Converters.holder(BukkitConverters.getDimensionConverter(),
-                            WrappedRegistry.getDimensionRegistry())
-            );
-            worldHolder.writeSafely(0, value);
-        }
-
-        worldKeys.writeSafely(0, value);
-    }
 }

src/main/resources/plugin.yml

@@ -3,7 +3,7 @@ main: xyz.ineanto.nicko.NickoBukkit
 version: ${version}
 author: Ineanto
 description: "The feature packed, next generation disguise plugin for Minecraft."
-api-version: 1.19
+api-version: 1.20
 softdepend: [ PlaceholderAPI ]
 depend:
   - ProtocolLib