Add version to server config packet

for forward compatibility

Author: mschae23

build.gradle

@@ -3,8 +3,8 @@ plugins {
     id 'maven-publish'
 }
 
-sourceCompatibility = JavaVersion.VERSION_17
-targetCompatibility = JavaVersion.VERSION_17
+sourceCompatibility = JavaVersion.VERSION_21
+targetCompatibility = JavaVersion.VERSION_21
 
 version = "${project.mod_version}+${project.minecraft_version}"
 group = project.maven_group
@@ -81,7 +81,7 @@ processResources {
 
 tasks.withType(JavaCompile).configureEach {
     // Minecraft 1.18 (1.18-pre2) upwards uses Java 17.
-    it.options.release = 17
+    it.options.release = 21
 }
 
 java {

gradle.properties

@@ -8,7 +8,7 @@ org.gradle.jvmargs=-Xmx1G
     loader_version=0.16.9
 
 # Mod Properties
-    mod_version = 4.0.0-beta.1
+    mod_version = 4.0.0-beta.2
     maven_group = de.mschae23.minecraft.mod
     archives_base_name = grind-enchantments
 

src/main/java/de/mschae23/grindenchantments/config/sync/ServerConfigS2CPayload.java

@@ -21,6 +21,7 @@
 
 import net.minecraft.network.PacketByteBuf;
 import net.minecraft.network.codec.PacketCodec;
+import net.minecraft.network.codec.PacketCodecs;
 import net.minecraft.network.packet.CustomPayload;
 import net.minecraft.util.Identifier;
 import de.mschae23.grindenchantments.GrindEnchantmentsMod;
@@ -37,6 +38,11 @@ public Id<? extends CustomPayload> getId() {
     }
 
     public static PacketCodec<PacketByteBuf, ServerConfigS2CPayload> createPacketCodec(PacketCodec<PacketByteBuf, CostFunction> costFunctionCodec) {
-        return ServerConfig.createPacketCodec(costFunctionCodec).xmap(ServerConfigS2CPayload::new, ServerConfigS2CPayload::config);
+        return PacketCodec.tuple(
+            // Version field for forward compatibility
+            PacketCodecs.BYTE, payload -> (byte) 1,
+            ServerConfig.createPacketCodec(costFunctionCodec), ServerConfigS2CPayload::config,
+            (version, config) -> new ServerConfigS2CPayload(config)
+        );
     }
 }