Downgrade to 1.21

build.gradle

@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom' version '1.9.2'
+	id 'fabric-loom' version '1.10.1'
 	id 'maven-publish'
 }
 
@@ -15,6 +15,7 @@ dependencies {
 	minecraft "com.mojang:minecraft:${project.minecraft_version}"
 	mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
 	modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
+	modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
 }
 
 loom {

gradle.properties

@@ -4,11 +4,16 @@ org.gradle.parallel=true
 
 # Fabric Properties
 # check these on https://fabricmc.net/develop
-minecraft_version=1.20.6
-yarn_mappings=1.20.6+build.3
-loader_version=0.16.10
+
+minecraft_version=1.21
+yarn_mappings=1.21+build.1
+loader_version=0.16.14
+loom_version=1.10-SNAPSHOT
+
+# Fabric API
+fabric_version=0.100.3+1.21
 
 # Mod Properties
-mod_version = 2.1.0
+mod_version = 2.2.2
 maven_group = de.steamwar
 archives_base_name = AdvancedScripts

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/java/de/steamwar/advancedscripts/AdvancedScripts.java

@@ -20,10 +20,12 @@
 package de.steamwar.advancedscripts;
 
 import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry;
 
 public class AdvancedScripts implements ClientModInitializer {
 
 	@Override
 	public void onInitializeClient() {
+		PayloadTypeRegistry.playC2S().register(KeyAction.ID, KeyAction.CODEC);
 	}
 }

src/main/java/de/steamwar/advancedscripts/KeyAction.java

@@ -7,7 +7,7 @@ import net.minecraft.network.packet.CustomPayload;
 import net.minecraft.util.Identifier;
 
 public record KeyAction(int key, byte action, int modifiers) implements CustomPayload {
-    private static final Identifier channel = new Identifier("sw:hotkeys");
+    private static final Identifier channel = Identifier.of("sw:hotkeys");
 
     public static final CustomPayload.Id<KeyAction> ID = new CustomPayload.Id<>(channel);
     public static final PacketCodec<RegistryByteBuf, KeyAction> CODEC = PacketCodec.tuple(PacketCodecs.INTEGER, KeyAction::key, PacketCodecs.BYTE, KeyAction::action, PacketCodecs.INTEGER, KeyAction::modifiers, KeyAction::new);

src/main/java/de/steamwar/advancedscripts/mixin/KeyboardMixin.java

@@ -20,9 +20,9 @@
 package de.steamwar.advancedscripts.mixin;
 
 import de.steamwar.advancedscripts.KeyAction;
+import net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking;
 import net.minecraft.client.Keyboard;
 import net.minecraft.client.MinecraftClient;
-import net.minecraft.network.packet.c2s.common.CustomPayloadC2SPacket;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -34,7 +34,7 @@ public class KeyboardMixin {
     public void sendKeyPress(long window, int key, int scancode, int action, int modifiers, CallbackInfo ci) {
         MinecraftClient client = ((Keyboard) (Object)this).client;
         if(client.currentScreen == null && action != 2) {
-            client.getNetworkHandler().sendPacket(new CustomPayloadC2SPacket(new KeyAction(key, (byte) action, modifiers)));
+            ClientPlayNetworking.send(new KeyAction(key, (byte) action, modifiers));
         }
     }
 }

src/main/java/de/steamwar/advancedscripts/screen/ScriptEditScreen.java

@@ -20,16 +20,15 @@
 package de.steamwar.advancedscripts.screen;
 
 import com.mojang.blaze3d.systems.RenderSystem;
-import de.steamwar.advancedscripts.lexer.TokenTypeColors;
 import de.steamwar.advancedscripts.lexer.ScriptColorizer;
 import de.steamwar.advancedscripts.lexer.Token;
+import de.steamwar.advancedscripts.lexer.TokenTypeColors;
 import net.minecraft.client.font.TextHandler;
 import net.minecraft.client.gui.DrawContext;
 import net.minecraft.client.gui.screen.Screen;
 import net.minecraft.client.gui.screen.ingame.BookEditScreen;
 import net.minecraft.client.gui.screen.narration.NarrationMessageBuilder;
 import net.minecraft.client.gui.widget.PressableWidget;
-import net.minecraft.client.render.GameRenderer;
 import net.minecraft.client.util.NarratorManager;
 import net.minecraft.client.util.SelectionManager;
 import net.minecraft.component.DataComponentTypes;
@@ -43,9 +42,11 @@ import net.minecraft.text.Text;
 import net.minecraft.util.Hand;
 import org.apache.commons.lang3.mutable.MutableInt;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.stream.Collectors;
 
 public class ScriptEditScreen extends Screen {
 
@@ -72,7 +73,7 @@ public class ScriptEditScreen extends Screen {
         this.itemStack = itemStack;
         this.hand = hand;
 
-        List<RawFilteredPair<String>> pages = itemStack.get(DataComponentTypes.WRITABLE_BOOK_CONTENT).pages();
+        List<RawFilteredPair<String>> pages = itemStack.getComponents().get(DataComponentTypes.WRITABLE_BOOK_CONTENT).pages();
         pages.forEach(stringRawFilteredPair -> {
             for (String s : stringRawFilteredPair.raw().split("\n")) {
                 if (s.isEmpty()) {
@@ -155,11 +156,14 @@ public class ScriptEditScreen extends Screen {
         }
     }
 
+    @Override
+    protected void applyBlur(float delta) {
+    }
+
     @Override
     public void render(DrawContext context, int mouseX, int mouseY, float delta) {
         setFocused(null);
         this.renderBackground(context, mouseX, mouseY, delta);
-        RenderSystem.setShader(GameRenderer::getPositionTexProgram);
         RenderSystem.setShaderColor(1.0F, 1.0F, 1.0F, 1.0F);
         context.fill(23, 23, this.width - 23, this.height - 63, TokenTypeColors.BACKGROUND);
 
@@ -634,11 +638,13 @@ public class ScriptEditScreen extends Screen {
         this.client.getNetworkHandler().sendPacket(new BookUpdateC2SPacket(i, pages, Optional.empty()));
     }
 
+    private WritableBookContentComponent toContent(List<String> pages) {
+        return new WritableBookContentComponent(pages.stream().map(string -> new RawFilteredPair<String>(string, Optional.empty())).toList());
+    }
+
     private void writeNbtData(List<String> pages) {
         if (!pages.isEmpty()) {
-            this.itemStack.set(DataComponentTypes.WRITABLE_BOOK_CONTENT, new WritableBookContentComponent(
-                    pages.stream().map(string -> new RawFilteredPair<String>(string, Optional.empty())).toList())
-            );
+            this.itemStack.set(DataComponentTypes.WRITABLE_BOOK_CONTENT, toContent(pages));
         }
     }
 }

src/main/resources/fabric.mod.json

@@ -23,7 +23,8 @@
   "depends": {
     "fabricloader": ">=0.14.11",
     "minecraft": ">=1.20.6",
-    "java": ">=21"
+    "java": ">=21",
+    "fabric-api": "*"
   },
   "accessWidener" : "advancedscripts.accesswidener"
 }