Updated to Minecraft 1.20.2

build.gradle

@@ -44,7 +44,7 @@ repositories {
 }
 
 dependencies {
-    paperweightDevelopmentBundle("io.papermc.paper:dev-bundle:1.20.1-R0.1-SNAPSHOT")
+    paperweightDevelopmentBundle("io.papermc.paper:dev-bundle:1.20.2-R0.1-SNAPSHOT")
     implementation "net.sf.jopt-simple:jopt-simple:5.0.4"
     implementation 'org.ow2.asm:asm:9.3'
     implementation 'org.ow2.asm:asm-commons:9.3'

src/main/java/net/unknown/launchwrapper/Main.java

@@ -41,23 +41,23 @@
 import java.util.concurrent.TimeUnit;
 
 public class Main {
-    public static boolean FORCE_ALLOW_BUNDLE_FEATURES = System.getProperty("UnknownNetworkMagic") != null && System.getProperty("UnknownNetworkMagic").equals("bundle");
+    public static boolean FORCE_ALLOW_BUNDLE_FEATURES = System.getProperty("UnknownNetworkMagic") != null && System.getProperty("UnknownNetworkMagic").contains("bundle");
+    public static boolean FORCE_ALLOW_TRADE_REBALANCE_FEATURES = System.getProperty("UnknownNetworkMagic") != null && System.getProperty("UnknownNetworkMagic").contains("trade-rebalance");
     private static final String FILE_SEPARATOR = System.getProperty("file.separator");
 
     public static void main(String[] args) throws IOException, InterruptedException {
-        if (FORCE_ALLOW_BUNDLE_FEATURES) {
-            System.out.println("""
-                    
-                    
-                                               Unknown Network Bootstrap
-                    Hey! You're activated "bundle" feature, but this is contains bugs or crashes. Be careful!
-                    Server will start after 3 seconds...
-                    
-                    
-                    """);
+        if (FORCE_ALLOW_BUNDLE_FEATURES || FORCE_ALLOW_TRADE_REBALANCE_FEATURES) {
+            String activatedFeatureFlags = String.join(",", (FORCE_ALLOW_BUNDLE_FEATURES ? "bundle" : ""), (FORCE_ALLOW_TRADE_REBALANCE_FEATURES ? "trade_rebalance" : ""));
+            System.out.println("\n" +
+                               "\n" +
+                               "                           Unknown Network Bootstrap\n" +
+                               "Hey! You're activated \"" + activatedFeatureFlags + "\" feature, but this is contains bugs or crashes. Be careful!\n" +
+                               "Server will start after 3 seconds...\n" +
+                               "\n" +
+                               "\n");
             Thread.sleep(TimeUnit.SECONDS.toMillis(3));
         }
-        Agent.addJar(new File("./versions/1.20.1/paper-1.20.1.jar"));
+        Agent.addJar(new File("./versions/1.20.2/paper-1.20.2.jar"));
 
         Map<String, File> toLoadLibraries = new HashMap<>();
 

src/main/java/net/unknown/launchwrapper/event/BlockDispenseBeforeEvent.java

@@ -31,10 +31,10 @@
 
 package net.unknown.launchwrapper.event;
 
-import net.minecraft.core.BlockSource;
+import net.minecraft.core.dispenser.BlockSource;
 import net.minecraft.world.item.ItemStack;
 import org.bukkit.block.Block;
-import org.bukkit.craftbukkit.v1_20_R1.block.CraftBlock;
+import org.bukkit.craftbukkit.v1_20_R2.block.CraftBlock;
 import org.bukkit.event.Cancellable;
 import org.bukkit.event.Event;
 import org.bukkit.event.HandlerList;
@@ -56,7 +56,7 @@ public BlockSource getBlockSource() {
     }
 
     public Block getBukkitBlock() {
-        return CraftBlock.at(this.src.getLevel(), this.src.getPos());
+        return CraftBlock.at(this.src.level(), this.src.pos());
     }
 
     public ItemStack getItem() {

src/main/java/net/unknown/launchwrapper/hopper/TransportType.java

@@ -1,3 +1,34 @@
+/*
+ * Copyright (c) 2023 Unknown Network Developers and contributors.
+ *
+ * All rights reserved.
+ *
+ * NOTICE: This license is subject to change without prior notice.
+ *
+ * Redistribution and use in source and binary forms, *without modification*,
+ *     are permitted provided that the following conditions are met:
+ *
+ * I. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *
+ * II. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * III. Neither the name of Unknown Network nor the names of its contributors may be used to
+ *     endorse or promote products derived from this software without specific prior written permission.
+ *
+ * IV. This source code and binaries is provided by the copyright holders and contributors "AS-IS" and
+ *     any express or implied warranties, including, but not limited to, the implied warranties of
+ *     merchantability and fitness for a particular purpose are disclaimed.
+ *     In not event shall the copyright owner or contributors be liable for
+ *     any direct, indirect, incidental, special, exemplary, or consequential damages
+ *     (including but not limited to procurement of substitute goods or services;
+ *     loss of use data or profits; or business interruption) however caused and on any theory of liability,
+ *     whether in contract, strict liability, or tort (including negligence or otherwise)
+ *     arising in any way out of the use of this source code, event if advised of the possibility of such damage.
+ */
+
 package net.unknown.launchwrapper.hopper;
 
 public enum TransportType {

src/main/java/net/unknown/launchwrapper/mixins/MixinCraftServer.java

@@ -31,7 +31,7 @@
 
 package net.unknown.launchwrapper.mixins;
 
-import org.bukkit.craftbukkit.v1_20_R1.CraftServer;
+import org.bukkit.craftbukkit.v1_20_R2.CraftServer;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
 

src/main/java/net/unknown/launchwrapper/mixins/MixinDefaultDispenseItemBehavior.java

@@ -31,8 +31,8 @@
 
 package net.unknown.launchwrapper.mixins;
 
-import net.minecraft.core.BlockSource;
 import net.minecraft.core.Direction;
+import net.minecraft.core.dispenser.BlockSource;
 import net.minecraft.core.dispenser.DefaultDispenseItemBehavior;
 import net.minecraft.core.dispenser.DispenseItemBehavior;
 import net.minecraft.world.item.ItemStack;
@@ -61,11 +61,12 @@ public abstract class MixinDefaultDispenseItemBehavior implements DispenseItemBe
      * Add BlockDispenseBeforeEvent
      *
      * @author ryuuta0217
+     * @reason Add BlockDispenseBeforeEvent
      */
     @Overwrite
     @Override
     public final ItemStack dispense(BlockSource pointer, ItemStack stack) {
-        this.enumdirection = pointer.getBlockState().getValue(DispenserBlock.FACING); // Paper - cache facing direction
+        this.enumdirection = pointer.state().getValue(DispenserBlock.FACING); // Paper - cache facing direction
         // Unknown Network Start - Add BlockDispenseBeforeEvent
         BlockDispenseBeforeEvent event = new BlockDispenseBeforeEvent(pointer, stack);
         Bukkit.getPluginManager().callEvent(event);

src/main/java/net/unknown/launchwrapper/mixins/MixinEnderChestBlock.java

@@ -60,10 +60,10 @@ public class MixinEnderChestBlock {
     @Shadow @Final private static Component CONTAINER_TITLE;
 
     /**
-     * Overwrite reason: Inject de yaruno kuso mendo-kusai
      *
      * @author ryuuta0217
      * @see net.unknown.launchwrapper.mixins.MixinSimpleContainer
+     * @reason Inject de yaruno kuso mendo-kusai
      */
     @Overwrite
     public InteractionResult use(BlockState state, Level world, BlockPos pos, Player player, InteractionHand hand, BlockHitResult hit) {

src/main/java/net/unknown/launchwrapper/mixins/MixinFeatureFlags.java

@@ -38,14 +38,18 @@
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.*;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @Mixin(FeatureFlags.class)
 public class MixinFeatureFlags {
     @Redirect(method = "<clinit>", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/flag/FeatureFlagSet;of(Lnet/minecraft/world/flag/FeatureFlag;)Lnet/minecraft/world/flag/FeatureFlagSet;"))
     private static FeatureFlagSet onClInit(FeatureFlag feature) {
-        if (Main.FORCE_ALLOW_BUNDLE_FEATURES) {
-            return FeatureFlagSet.of(feature, FeatureFlags.BUNDLE);
-        } else {
-            return FeatureFlagSet.of(feature);
-        }
+        List<FeatureFlag> additionalFlags = new ArrayList<>() {{
+            if (Main.FORCE_ALLOW_BUNDLE_FEATURES) add(FeatureFlags.BUNDLE);
+            if (Main.FORCE_ALLOW_TRADE_REBALANCE_FEATURES) add(FeatureFlags.TRADE_REBALANCE);
+        }};
+
+        return !additionalFlags.isEmpty() ? FeatureFlagSet.of(feature, additionalFlags.toArray(FeatureFlag[]::new)) : FeatureFlagSet.of(feature);
     }
 }

src/main/java/net/unknown/launchwrapper/mixins/MixinObserverBlock.java

@@ -44,7 +44,7 @@
 import net.unknown.launchwrapper.event.ObserverBlockRemoveEvent;
 import net.unknown.launchwrapper.event.ObserverBlockTickEvent;
 import org.bukkit.Bukkit;
-import org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory;
+import org.bukkit.craftbukkit.v1_20_R2.event.CraftEventFactory;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
 import org.spongepowered.asm.mixin.Shadow;

src/main/java/net/unknown/launchwrapper/mixins/MixinSignBlockEntity.java

@@ -43,6 +43,7 @@
 
 @Mixin(SignBlockEntity.class)
 public class MixinSignBlockEntity {
+    // TODO: Add "UUID owner;" field, and add to saveAdditional()
     @Shadow @Nullable public UUID playerWhoMayEdit;
 
     @Overwrite

src/main/java/net/unknown/launchwrapper/mixins/MixinSimpleContainer.java

@@ -35,7 +35,7 @@
 import net.minecraft.world.SimpleContainer;
 import net.minecraft.world.inventory.PlayerEnderChestContainer;
 import net.minecraft.world.item.ItemStack;
-import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_20_R2.entity.CraftPlayer;
 import org.bukkit.inventory.InventoryHolder;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;