Update to 1.21.3

build.gradle

@@ -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

@@ -4,9 +4,14 @@ org.gradle.parallel=true
 
 # Fabric Properties
 # check these on https://fabricmc.net/develop
+
 minecraft_version=1.21.4
 yarn_mappings=1.21.4+build.8
-loader_version=0.16.10
+loader_version=0.16.14
+loom_version=1.10-SNAPSHOT
+
+# Fabric API
+fabric_version=0.119.3+1.21.4
 
 # Mod Properties
 mod_version = 2.2.0

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/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/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"
 }