First commit

src/main/java/com/aranroig/Codecraft.java

@@ -0,0 +1,39 @@
+package com.aranroig;
+
+import com.aranroig.payloads.ServerboundSaveCodePayload;
+import net.fabricmc.api.ModInitializer;
+
+import net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry;
+import net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking;
+import net.minecraft.resources.Identifier;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Codecraft implements ModInitializer {
+	public static final String MOD_ID = "codecraft";
+
+	// This logger is used to write text to the console and the log file.
+	// It is considered best practice to use your mod id as the logger's name.
+	// That way, it's clear which mod wrote info, warnings, and errors.
+	public static final Logger LOGGER = LoggerFactory.getLogger(MOD_ID);
+
+	@Override
+	public void onInitialize() {
+		// This code runs as soon as Minecraft is in a mod-load-ready state.
+		// However, some things (like resources) may still be uninitialized.
+		// Proceed with mild caution.
+		LOGGER.info("Hello Fabric world!");
+
+		PayloadTypeRegistry.serverboundPlay().register(ServerboundSaveCodePayload.TYPE, ServerboundSaveCodePayload.CODEC);
+
+		ServerPlayNetworking.registerGlobalReceiver(ServerboundSaveCodePayload.TYPE, (payload, context) -> {
+			System.out.println(payload.data().getName());
+			System.out.println(payload.data().getText());
+		});
+	}
+
+	public static Identifier id(String path) {
+		return Identifier.fromNamespaceAndPath(MOD_ID, path);
+	}
+}

src/main/java/com/aranroig/editor/EditorFile.java

@@ -0,0 +1,40 @@
+package com.aranroig.editor;
+
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
+
+public class EditorFile {
+    public static final StreamCodec<RegistryFriendlyByteBuf, EditorFile> CODEC =
+            StreamCodec.composite(
+                    ByteBufCodecs.STRING_UTF8,
+                    EditorFile::getName,
+
+                    ByteBufCodecs.STRING_UTF8,
+                    EditorFile::getText,
+
+                    EditorFile::new
+            );
+
+    // Class with file info
+    private String name;
+    private String text;
+
+    public EditorFile(String name, String text) {
+        this.name = name;
+        this.text = text;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getText() {
+        return text;
+    }
+
+    public void setText(String text) {
+        this.text = text;
+    }
+
+}

src/main/java/com/aranroig/mixin/ExampleMixin.java

@@ -0,0 +1,15 @@
+package com.aranroig.mixin;
+
+import net.minecraft.server.MinecraftServer;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(MinecraftServer.class)
+public class ExampleMixin {
+	@Inject(at = @At("HEAD"), method = "loadLevel")
+	private void init(CallbackInfo info) {
+		// This code is injected into the start of MinecraftServer.loadLevel()V
+	}
+}

src/main/java/com/aranroig/payloads/ClientboundSaveCodePayload.java

@@ -0,0 +1,23 @@
+package com.aranroig.payloads;
+
+import com.aranroig.Codecraft;
+import com.aranroig.editor.EditorFile;
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.StreamCodec;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.resources.Identifier;
+
+public record ClientboundSaveCodePayload(EditorFile data) implements CustomPacketPayload {
+
+    public static final Identifier SAVE_CODE_PAYLOAD_ID = Identifier.fromNamespaceAndPath(Codecraft.MOD_ID, "save_code");
+
+    public static final CustomPacketPayload.Type<ClientboundSaveCodePayload> TYPE = new CustomPacketPayload.Type<>(SAVE_CODE_PAYLOAD_ID);
+
+    public static final StreamCodec<RegistryFriendlyByteBuf, ClientboundSaveCodePayload> CODEC =
+            StreamCodec.composite(EditorFile.CODEC, ClientboundSaveCodePayload::data, ClientboundSaveCodePayload::new);
+
+    @Override
+    public Type<? extends CustomPacketPayload> type() {
+        return TYPE;
+    }
+}

src/main/java/com/aranroig/payloads/ServerboundSaveCodePayload.java

@@ -0,0 +1,22 @@
+package com.aranroig.payloads;
+
+import com.aranroig.Codecraft;
+import com.aranroig.editor.EditorFile;
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.StreamCodec;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.resources.Identifier;
+
+public record ServerboundSaveCodePayload(EditorFile data) implements CustomPacketPayload {
+    public static final Identifier SAVE_CODE_PAYLOAD_ID = Identifier.fromNamespaceAndPath(Codecraft.MOD_ID, "save_code");
+
+    public static final CustomPacketPayload.Type<ServerboundSaveCodePayload> TYPE = new CustomPacketPayload.Type<>(SAVE_CODE_PAYLOAD_ID);
+
+    public static final StreamCodec<RegistryFriendlyByteBuf, ServerboundSaveCodePayload> CODEC =
+            StreamCodec.composite(EditorFile.CODEC, ServerboundSaveCodePayload::data, ServerboundSaveCodePayload::new);
+
+    @Override
+    public CustomPacketPayload.Type<? extends CustomPacketPayload> type() {
+        return TYPE;
+    }
+}