First commit

2026-07-12 17:00:44 +02:00
commit aa8fa05506
34 changed files with 2192 additions and 0 deletions
--- a/.gitattributes
+++ b/.gitattributes
@@ -0,0 +1,9 @@
+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# Linux start script should use lf
+/gradlew        text eol=lf
+
+# These are Windows script files and should use crlf
+*.bat           text eol=crlf
+
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -0,0 +1,30 @@
+# Automatically build the project and run any configured tests for every push
+# and submitted pull request. This can help catch issues that only occur on
+# certain platforms or Java versions, and provides a first line of defence
+# against bad commits.
+
+name: build
+on: [pull_request, push]
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: checkout repository
+        uses: actions/checkout@v6
+      - name: validate gradle wrapper
+        uses: gradle/actions/wrapper-validation@v6
+      - name: setup jdk
+        uses: actions/setup-java@v5
+        with:
+          java-version: '25'
+          distribution: 'microsoft'
+      - name: make gradle wrapper executable
+        run: chmod +x ./gradlew
+      - name: build
+        run: ./gradlew build
+      - name: capture build artifacts
+        uses: actions/upload-artifact@v7
+        with:
+          name: Artifacts
+          path: build/libs/
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,40 @@
+# gradle
+
+.gradle/
+build/
+out/
+classes/
+
+# eclipse
+
+*.launch
+
+# idea
+
+.idea/
+*.iml
+*.ipr
+*.iws
+
+# vscode
+
+.settings/
+.vscode/
+bin/
+.classpath
+.project
+
+# macos
+
+*.DS_Store
+
+# fabric
+
+run/
+
+# java
+
+hs_err_*.log
+replay_*.log
+*.hprof
+*.jfr
--- a/121
+++ b/121
@@ -0,0 +1,121 @@
+Creative Commons Legal Code
+
+CC0 1.0 Universal
+
+    CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE
+    LEGAL SERVICES. DISTRIBUTION OF THIS DOCUMENT DOES NOT CREATE AN
+    ATTORNEY-CLIENT RELATIONSHIP. CREATIVE COMMONS PROVIDES THIS
+    INFORMATION ON AN "AS-IS" BASIS. CREATIVE COMMONS MAKES NO WARRANTIES
+    REGARDING THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS
+    PROVIDED HEREUNDER, AND DISCLAIMS LIABILITY FOR DAMAGES RESULTING FROM
+    THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS PROVIDED
+    HEREUNDER.
+
+Statement of Purpose
+
+The laws of most jurisdictions throughout the world automatically confer
+exclusive Copyright and Related Rights (defined below) upon the creator
+and subsequent owner(s) (each and all, an "owner") of an original work of
+authorship and/or a database (each, a "Work").
+
+Certain owners wish to permanently relinquish those rights to a Work for
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+These owners may contribute to the Commons to promote the ideal of a free
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+
+For these and/or other purposes and motivations, and without any
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+associating CC0 with a Work (the "Affirmer"), to the extent that he or she
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+1. Copyright and Related Rights. A Work made available under CC0 may be
+protected by copyright and related or neighboring rights ("Copyright and
+Related Rights"). Copyright and Related Rights include, but are not
+limited to, the following:
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+vii. other similar, equivalent or corresponding rights throughout the
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+
+2. Waiver. To the greatest extent permitted by, but not in contravention
+of, applicable law, Affirmer hereby overtly, fully, permanently,
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+future claims and causes of action), in the Work (i) in all territories
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+revocation, rescission, cancellation, termination, or any other legal or
+equitable action to disrupt the quiet enjoyment of the Work by the public
+as contemplated by Affirmer's express Statement of Purpose.
+
+3. Public License Fallback. Should any part of the Waiver for any reason
+be judged legally invalid or ineffective under applicable law, then the
+Waiver shall be preserved to the maximum extent permitted taking into
+account Affirmer's express Statement of Purpose. In addition, to the
+extent the Waiver is so judged Affirmer hereby grants to each affected
+person a royalty-free, non transferable, non sublicensable, non exclusive,
+irrevocable and unconditional license to exercise Affirmer's Copyright and
+Related Rights in the Work (i) in all territories worldwide, (ii) for the
+maximum duration provided by applicable law or treaty (including future
+time extensions), (iii) in any current or future medium and for any number
+of copies, and (iv) for any purpose whatsoever, including without
+limitation commercial, advertising or promotional purposes (the
+"License"). The License shall be deemed effective as of the date CC0 was
+applied by Affirmer to the Work. Should any part of the License for any
+reason be judged legally invalid or ineffective under applicable law, such
+partial invalidity or ineffectiveness shall not invalidate the remainder
+of the License, and in such case Affirmer hereby affirms that he or she
+will not (i) exercise any of his or her remaining Copyright and Related
+Rights in the Work or (ii) assert any associated claims and causes of
+action with respect to the Work, in either case contrary to Affirmer's
+express Statement of Purpose.
+
+4. Limitations and Disclaimers.
+
+ a. No trademark or patent rights held by Affirmer are waived, abandoned,
+    surrendered, licensed or otherwise affected by this document.
+ b. Affirmer offers the Work as-is and makes no representations or
+    warranties of any kind concerning the Work, express, implied,
+    statutory or otherwise, including without limitation warranties of
+    title, merchantability, fitness for a particular purpose, non
+    infringement, or the absence of latent or other defects, accuracy, or
+    the present or absence of errors, whether or not discoverable, all to
+    the greatest extent permissible under applicable law.
+ c. Affirmer disclaims responsibility for clearing rights of other persons
+    that may apply to the Work or any use thereof, including without
+    limitation any person's Copyright and Related Rights in the Work.
+    Further, Affirmer disclaims responsibility for obtaining any necessary
+    consents, permissions or other rights required for any use of the
+    Work.
+ d. Affirmer understands and acknowledges that Creative Commons is not a
+    party to this document and has no duty or obligation with respect to
+    this CC0 or use of the Work.
--- a/README.md
+++ b/README.md
@@ -0,0 +1,9 @@
+# codecraft
+
+## Setup
+
+For setup instructions, please see the [Fabric Documentation page](https://docs.fabricmc.net/develop/getting-started/creating-a-project#setting-up) related to the IDE that you are using.
+
+## License
+
+This template is available under the CC0 license. Feel free to learn from it and incorporate it in your own projects.
--- a/build.gradle
+++ b/build.gradle
@@ -0,0 +1,97 @@
+plugins {
+	id 'net.fabricmc.fabric-loom' version "${loom_version}"
+	id 'maven-publish'
+}
+
+version = project.mod_version
+group = project.maven_group
+
+repositories {
+	// Add repositories to retrieve artifacts from in here.
+	// You should only use this when depending on other mods because
+	// Loom adds the essential maven repositories to download Minecraft and libraries from automatically.
+	// See https://docs.gradle.org/current/userguide/declaring_repositories.html
+	// for more information about repositories.
+	mavenCentral()
+	maven { url = "https://maven.fabricmc.net" }
+	maven { url = "https://jitpack.io" }
+}
+
+loom {
+	splitEnvironmentSourceSets()
+
+	mods {
+		"codecraft" {
+			sourceSet sourceSets.main
+			sourceSet sourceSets.client
+		}
+	}
+}
+
+fabricApi {
+	configureDataGeneration {
+		client = true
+	}
+}
+
+dependencies {
+	// To change the versions see the gradle.properties file
+	minecraft "com.mojang:minecraft:${project.minecraft_version}"
+
+	implementation 'party.iroiro.luajava:luajava:4.1.0'
+	implementation 'party.iroiro.luajava:luaj:4.1.0'
+
+	implementation "net.fabricmc:fabric-loader:${project.loader_version}"
+
+	// Fabric API. This is technically optional, but you probably want it anyway.
+	implementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_api_version}"
+}
+
+processResources {
+	def version = project.version
+	inputs.property "version", version
+
+	filesMatching("fabric.mod.json") {
+		expand "version": version
+	}
+}
+
+tasks.withType(JavaCompile).configureEach {
+	it.options.release = 25
+}
+
+java {
+	// Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
+	// if it is present.
+	// If you remove this line, sources will not be generated.
+	withSourcesJar()
+
+	sourceCompatibility = JavaVersion.VERSION_25
+	targetCompatibility = JavaVersion.VERSION_25
+}
+
+jar {
+	def projectName = project.name
+	inputs.property "projectName", projectName
+
+	from("LICENSE") {
+		rename { "${it}_$projectName"}
+	}
+}
+
+// configure the maven publication
+publishing {
+	publications {
+		create("mavenJava", MavenPublication) {
+			from components.java
+		}
+	}
+
+	// See https://docs.gradle.org/current/userguide/publishing_maven.html for information on how to set up publishing.
+	repositories {
+		// Add repositories to publish to here.
+		// Notice: This block does NOT have the same function as the block in the top level.
+		// The repositories here will be used for publishing your artifact, not for
+		// retrieving dependencies.
+	}
+}
--- a/gradle.properties
+++ b/gradle.properties
@@ -0,0 +1,19 @@
+# Done to increase the memory available to gradle.
+org.gradle.jvmargs=-Xmx1G
+org.gradle.parallel=true
+
+# IntelliJ IDEA is not yet fully compatible with configuration cache, see: https://github.com/FabricMC/fabric-loom/issues/1349
+org.gradle.configuration-cache=false
+
+# Fabric Properties
+# check these on https://fabricmc.net/develop
+minecraft_version=26.2
+loader_version=0.19.3
+loom_version=1.17-SNAPSHOT
+
+# Mod Properties
+mod_version=0.1
+maven_group=com.aranroig
+
+# Dependencies
+fabric_api_version=0.153.0+26.2
--- a/gradle/wrapper/gradle-wrapper.jar
+++ b/gradle/wrapper/gradle-wrapper.jar
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,9 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.5.1-bin.zip
+networkTimeout=10000
+retries=0
+retryBackOffMs=500
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
--- a/248
+++ b/248
@@ -0,0 +1,248 @@
+#!/bin/sh
+
+#
+# Copyright © 2015 the original authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+##############################################################################
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/3d91ce3b8caaf77ad09f381f43615b715b53f72c/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
+##############################################################################
+
+# Attempt to set APP_HOME
+
+# Resolve links: $0 may be a link
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
+done
+
+# This is normally unused
+# shellcheck disable=SC2034
+APP_BASE_NAME=${0##*/}
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+    echo "$*"
+} >&2
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+} >&2
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
+esac
+
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD=$JAVA_HOME/jre/sh/java
+    else
+        JAVACMD=$JAVA_HOME/bin/java
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD=java
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+fi
+
+# Increase the maximum file descriptors if we can.
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
+    esac
+fi
+
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
+        fi
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
+    done
+fi
+
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
+
+exec "$JAVACMD" "$@"
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -0,0 +1,82 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
+
+@if "%DEBUG%"=="" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables, and ensure extensions are enabled
+setlocal EnableExtensions
+
+set DIRNAME=%~dp0
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if %ERRORLEVEL% equ 0 goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+"%COMSPEC%" /c exit 1
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+"%COMSPEC%" /c exit 1
+
+:execute
+@rem Setup the command line
+
+
+
+@rem Execute Gradle
+@rem endlocal doesn't take effect until after the line is parsed and variables are expanded
+@rem which allows us to clear the local environment before executing the java command
+endlocal & "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* & call :exitWithErrorLevel
+
+:exitWithErrorLevel
+@rem Use "%COMSPEC%" /c exit to allow operators to work properly in scripts
+"%COMSPEC%" /c exit %ERRORLEVEL%
--- a/settings.gradle
+++ b/settings.gradle
@@ -0,0 +1,14 @@
+pluginManagement {
+	repositories {
+		maven {
+			name = 'Fabric'
+			url = 'https://maven.fabricmc.net/'
+		}
+		mavenCentral()
+		maven { url = uri("https://jitpack.io") }
+		gradlePluginPortal()
+	}
+}
+
+// Should match your modid
+rootProject.name = 'codecraft'
--- a/src/client/java/com/aranroig/client/CodecraftClient.java
+++ b/src/client/java/com/aranroig/client/CodecraftClient.java
@@ -0,0 +1,46 @@
+package com.aranroig.client;
+
+import com.aranroig.Codecraft;
+import com.aranroig.client.editor.EditorManager;
+import com.mojang.blaze3d.platform.InputConstants;
+import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents;
+import net.minecraft.client.KeyMapping;
+import net.minecraft.resources.Identifier;
+import org.lwjgl.glfw.GLFW;
+import net.fabricmc.fabric.api.client.keymapping.v1.KeyMappingHelper;
+
+
+import javax.swing.text.JTextComponent;
+
+public class CodecraftClient implements ClientModInitializer {
+
+	public static JTextComponent.KeyBinding OPEN_EDITOR;
+
+	@Override
+	public void onInitializeClient() {
+		KeyMapping.Category CATEGORY = KeyMapping.Category.register(
+				Identifier.fromNamespaceAndPath(Codecraft.MOD_ID, "codecraft")
+		);
+
+
+		KeyMapping openEditor = KeyMappingHelper.registerKeyMapping(
+				new KeyMapping(
+						"key.codecraft.open_editor", // The translation key for the key mapping.
+						InputConstants.Type.KEYSYM, // The type of the keybinding; KEYSYM for keyboard, MOUSE for mouse.
+						GLFW.GLFW_KEY_J, // The GLFW keycode of the key.
+						CATEGORY // The category of the mapping.
+				)
+		);
+
+		EditorManager editorOverlay = new EditorManager();
+
+		ClientTickEvents.END_CLIENT_TICK.register(client -> {
+			while(openEditor.consumeClick()){
+				if(client.player != null) {
+					editorOverlay.toggleVisible();
+				}
+			}
+		});
+	}
+}
--- a/src/client/java/com/aranroig/client/CodecraftDataGenerator.java
+++ b/src/client/java/com/aranroig/client/CodecraftDataGenerator.java
@@ -0,0 +1,14 @@
+package com.aranroig.client;
+
+import com.aranroig.client.translations.CodecraftEnglishLangProvider;
+import net.fabricmc.fabric.api.datagen.v1.DataGeneratorEntrypoint;
+import net.fabricmc.fabric.api.datagen.v1.FabricDataGenerator;
+
+public class CodecraftDataGenerator implements DataGeneratorEntrypoint {
+	@Override
+	public void onInitializeDataGenerator(FabricDataGenerator fabricDataGenerator) {
+		FabricDataGenerator.Pack pack = fabricDataGenerator.createPack();
+
+		pack.addProvider(CodecraftEnglishLangProvider::new);
+	}
+}
--- a/src/client/java/com/aranroig/client/editor/EditorFileTree.java
+++ b/src/client/java/com/aranroig/client/editor/EditorFileTree.java
@@ -0,0 +1,77 @@
+package com.aranroig.client.editor;
+
+import net.minecraft.client.gui.Font;
+import net.minecraft.client.gui.GuiGraphicsExtractor;
+import net.minecraft.client.input.CharacterEvent;
+import net.minecraft.client.input.KeyEvent;
+import net.minecraft.client.input.MouseButtonEvent;
+import org.jspecify.annotations.NonNull;
+
+import java.util.List;
+
+public class EditorFileTree extends Widget {
+
+    private static final int COLOR_TEXT        = 0xFFFFFFFF;
+    private static final int COLOR_BACKGROUND        = 0xFF202020;
+
+    public EditorFileTree(EditorManager editorManager) {
+        super(editorManager);
+    }
+
+    public void draw(@NonNull GuiGraphicsExtractor graphics, int mouseX, int mouseY, double delta) {
+        graphics.fill(getStartX(), getStartY(), getEndX(), getEndY(), COLOR_BACKGROUND);
+
+        // Line numbers + text
+        /*
+        for (int i = firstLine; i <= lastLine; i++) {
+            int screenY = start_y + i * lineH - scrollY;
+
+            // Line number — right-aligned, not scrolled horizontally
+            String lineNum = String.valueOf(i + 1);
+            int numW = font.width(lineNum);
+            graphics.text(font, lineNum,
+                    gutterDivX() - 4 - numW,
+                    screenY, COLOR_GUTTER_TEXT, false);
+
+            // Code text — offset by scrollX
+            graphics.text(font, lines[i], textAreaX() - scrollX, screenY, COLOR_TEXT, true);
+        }
+         */
+        Font font = editorScreen.getFont();
+        int lineH = font.lineHeight;
+        List<com.aranroig.editor.EditorFile> files = editorManager.getFiles();
+        for(int i = 0; i < files.size(); i++) {
+            graphics.text(font, files.get(i).getName(), getStartX(), getStartY() + i * lineH, COLOR_TEXT, true);
+        }
+    }
+
+    @Override
+    public boolean handleKeyPressed(KeyEvent event) {
+        return false;
+    }
+
+    @Override
+    public boolean handleCharTyped(CharacterEvent event) {
+        return false;
+    }
+
+    @Override
+    public boolean handleMouseClicked(MouseButtonEvent event) {
+        return false;
+    }
+
+    @Override
+    public boolean handleMouseDragged(MouseButtonEvent event) {
+        return false;
+    }
+
+    @Override
+    public boolean handleMouseReleased(MouseButtonEvent event) {
+        return false;
+    }
+
+    @Override
+    public boolean handleMouseScrolled(double scrollY) {
+        return false;
+    }
+}
--- a/src/client/java/com/aranroig/client/editor/EditorFileView.java
+++ b/src/client/java/com/aranroig/client/editor/EditorFileView.java
@@ -0,0 +1,478 @@
+package com.aranroig.client.editor;
+
+import com.aranroig.editor.EditorFile;
+import com.aranroig.payloads.ServerboundSaveCodePayload;
+import net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.Font;
+import net.minecraft.client.gui.GuiGraphicsExtractor;
+import net.minecraft.client.input.CharacterEvent;
+import net.minecraft.client.input.KeyEvent;
+import net.minecraft.client.input.MouseButtonEvent;
+import org.jspecify.annotations.NonNull;
+
+public class EditorFileView extends Widget {
+
+    private StringBuilder text = new StringBuilder();
+
+    private EditorFile currentEditorFile;
+
+    private int selectionAnchor = -1;
+    private int cursorPos = 0;
+
+    private Font font;
+
+    public EditorFileView(EditorManager editorManager) {
+        super(editorManager);
+    }
+
+    // ── Scroll state ──────────────────────────────────────────────────────
+    private int scrollX = 0; // horizontal scroll in pixels
+    private int scrollY = 0; // vertical scroll in pixels
+
+    /** How many pixels to scroll per mouse-wheel notch (vertically). */
+    private static final int SCROLL_SPEED = 3; // lines per notch
+
+    /** Width reserved for line numbers + a small right-padding. */
+    private static final int GUTTER_WIDTH  = 30;
+    private static final int GUTTER_MARGIN = 5;
+
+    /** Where actual text content starts (after the gutter). */
+    private int gutterDivX() { return getStartX() + GUTTER_WIDTH; }
+    private int textAreaX()  { return getStartX() + GUTTER_WIDTH + GUTTER_MARGIN; }
+
+    /** Visible width available for text (excludes gutter). */
+    private int textAreaWidth() { return getEndX() - textAreaX(); }
+    /** Visible height available for text. */
+    private int textAreaHeight() { return getEndY() - getStartY(); }
+
+    // ── Colors ────────────────────────────────────────────────────────────
+    private static final int COLOR_TEXT        = 0xFFFFFFFF;
+    private static final int COLOR_CURSOR      = 0xFFFFFFFF;
+    private static final int COLOR_SELECTION   = 0x664466FF;
+    private static final int COLOR_GUTTER_BG   = 0xFF252525;
+    private static final int COLOR_GUTTER_TEXT = 0xFF888888;
+    private static final int COLOR_GUTTER_DIV  = 0xFF444444;
+
+    // ─────────────────────────────────────────────────────────────────────
+
+    private String[] getLines() {
+        return text.toString().split("\n", -1);
+    }
+
+    private boolean hasSelection() {
+        return selectionAnchor >= 0 && selectionAnchor != cursorPos;
+    }
+
+    /** Replaces \t with 4 spaces so font.width() measures correctly. */
+    private String sanitize(String input) {
+        return input.replace("\t", "    ");
+    }
+
+    /**
+     * Returns the rendered pixel width of a prefix of a raw line up to
+     * character index {@code charCount}, expanding tabs properly.
+     */
+    private int widthUpTo(String rawLine, int charCount) {
+        return font.width(sanitize(rawLine.substring(0, charCount)));
+    }
+
+    // ── Scroll helpers ────────────────────────────────────────────────────
+
+    /** Maximum horizontal scroll so the widest line end is just visible. */
+    private int maxScrollX() {
+        if (font == null) return 0;
+        int maxW = 0;
+        for (String line : getLines()) maxW = Math.max(maxW, font.width(sanitize(line)));
+        return Math.max(0, maxW - textAreaWidth());
+    }
+
+    /** Maximum vertical scroll so the last line is just visible. */
+    private int maxScrollY() {
+        if (font == null) return 0;
+        int totalH = getLines().length * font.lineHeight;
+        return Math.max(0, totalH - textAreaHeight());
+    }
+
+    private void clampScroll() {
+        scrollX = Math.max(0, Math.min(scrollX, maxScrollX()));
+        scrollY = Math.max(0, Math.min(scrollY, maxScrollY()));
+    }
+
+    /**
+     * Scrolls the view so the cursor is always visible.
+     * Call after any cursor movement.
+     */
+    private void scrollToCursor() {
+        if (font == null) return;
+        int[] lc = offsetToLineCol(cursorPos);
+        String[] lines = getLines();
+        String lineText = (lc[0] < lines.length) ? lines[lc[0]] : "";
+
+        // Vertical
+        int cursorTop    = lc[0] * font.lineHeight;
+        int cursorBottom = cursorTop + font.lineHeight;
+        if (cursorTop < scrollY)
+            scrollY = cursorTop;
+        else if (cursorBottom > scrollY + textAreaHeight())
+            scrollY = cursorBottom - textAreaHeight();
+
+        // Horizontal — measure sanitized prefix so tabs expand correctly
+        int cursorPx = widthUpTo(lineText, Math.min(lc[1], lineText.length()));
+        if (cursorPx < scrollX)
+            scrollX = cursorPx;
+        else if (cursorPx + 2 > scrollX + textAreaWidth())
+            scrollX = cursorPx + 2 - textAreaWidth();
+
+        clampScroll();
+    }
+
+    // ── Coordinate mapping ────────────────────────────────────────────────
+
+    private int[] offsetToLineCol(int offset) {
+        String content = text.toString();
+        int line = 0, col = 0;
+        for (int i = 0; i < offset && i < content.length(); i++) {
+            if (content.charAt(i) == '\n') { line++; col = 0; }
+            else { col++; }
+        }
+        return new int[]{line, col};
+    }
+
+    private int lineColToOffset(int targetLine, int targetCol) {
+        String[] lines = getLines();
+        targetLine = Math.max(0, Math.min(targetLine, lines.length - 1));
+        targetCol  = Math.max(0, Math.min(targetCol, lines[targetLine].length()));
+        int offset = 0;
+        for (int i = 0; i < targetLine; i++) offset += lines[i].length() + 1;
+        return offset + targetCol;
+    }
+
+    /**
+     * Maps a pixel coordinate to a text offset.
+     * Accounts for the gutter AND current scroll position.
+     * Uses sanitized widths so tab expansion is reflected in click targets.
+     */
+    private int pixelToOffset(double mouseX, double mouseY) {
+        String[] lines = getLines();
+        int lineH = font.lineHeight;
+
+        // Apply scroll to convert screen coords → content coords
+        double contentY = mouseY - getStartY() + scrollY;
+        double contentX = mouseX - textAreaX() + scrollX;
+
+        int clickedLine = (int) Math.floor(contentY / lineH);
+        clickedLine = Math.max(0, Math.min(clickedLine, lines.length - 1));
+
+        String lineText = lines[clickedLine];
+        String sanitized = sanitize(lineText);
+        int col = 0;
+        for (int i = 0; i < lineText.length(); i++) {
+            // Measure using sanitized prefix widths so tabs count as 4 spaces
+            float charW    = font.width(sanitized.substring(i, i + 1));
+            float midPoint = font.width(sanitized.substring(0, i)) + charW / 2f;
+            if (contentX < midPoint) { col = i; break; }
+            col = i + 1;
+        }
+        return lineColToOffset(clickedLine, col);
+    }
+
+    private void deleteSelection() {
+        if (selectionAnchor < 0) return;
+        int lo = Math.min(selectionAnchor, cursorPos);
+        int hi = Math.max(selectionAnchor, cursorPos);
+        text.delete(lo, hi);
+        cursorPos       = lo;
+        selectionAnchor = -1;
+    }
+
+    // ── Draw ──────────────────────────────────────────────────────────────
+
+    public void draw(@NonNull GuiGraphicsExtractor graphics, int mouseX, int mouseY, double delta) {
+        String[] lines = getLines();
+        font = editorScreen.getFont();
+
+        int lineH = font.lineHeight;
+
+        int start_x = getStartX();
+        int start_y = getStartY();
+        int end_x = getEndX();
+        int end_y = getEndY();
+
+        graphics.enableScissor(start_x, start_y, end_x, end_y);
+
+        // Background
+        graphics.fill(start_x, start_y, end_x, end_y, 0xFF303030);
+
+        // Gutter background + divider (not scrolled — always fixed on left)
+        graphics.fill(start_x, start_y, gutterDivX() - 1, end_y, COLOR_GUTTER_BG);
+        graphics.fill(gutterDivX() - 1, start_y, gutterDivX(), end_y, COLOR_GUTTER_DIV);
+
+        // Only render lines that are at least partially visible
+        int firstLine = Math.max(0, scrollY / lineH);
+        int lastLine  = Math.min(lines.length - 1, (scrollY + textAreaHeight()) / lineH + 1);
+
+        // Selection highlight
+        if (hasSelection()) {
+            int lo = Math.min(selectionAnchor, cursorPos);
+            int hi = Math.max(selectionAnchor, cursorPos);
+
+            int[] loLC = offsetToLineCol(lo);
+            int[] hiLC = offsetToLineCol(hi);
+
+            for (int ln = Math.max(loLC[0], firstLine); ln <= Math.min(hiLC[0], lastLine); ln++) {
+                String lineText = lines[ln];
+                int colStart = (ln == loLC[0]) ? loLC[1] : 0;
+                int colEnd   = (ln == hiLC[0]) ? hiLC[1] : lineText.length();
+
+                // Use sanitized widths so tabs expand correctly in the highlight
+                int x0 = textAreaX() + widthUpTo(lineText, colStart) - scrollX;
+                int x1 = textAreaX() + widthUpTo(lineText, colEnd)   - scrollX;
+                if (x1 == x0) x1 = x0 + 2;
+
+                // Clamp to text area so highlight doesn't bleed into the gutter
+                x0 = Math.max(x0, textAreaX());
+                x1 = Math.min(x1, end_x);
+
+                int screenY = start_y + ln * lineH - scrollY;
+                graphics.fill(x0, screenY, x1, screenY + lineH, COLOR_SELECTION);
+            }
+        }
+
+        // Line numbers + text
+        for (int i = firstLine; i <= lastLine; i++) {
+            int screenY = start_y + i * lineH - scrollY;
+
+            // Line number — right-aligned, not scrolled horizontally
+            String lineNum = String.valueOf(i + 1);
+            int numW = font.width(lineNum);
+            graphics.text(font, lineNum,
+                    gutterDivX() - 4 - numW,
+                    screenY, COLOR_GUTTER_TEXT, false);
+
+            // Code text — sanitized so \t renders as 4 spaces, offset by scrollX
+            graphics.text(font, sanitize(lines[i]), textAreaX() - scrollX, screenY, COLOR_TEXT, true);
+        }
+
+        // Blinking cursor
+        boolean showCursor = (System.currentTimeMillis() / 500) % 2 == 0;
+        if (showCursor) {
+            int[] lc  = offsetToLineCol(cursorPos);
+            int   ln  = lc[0];
+            int   col = lc[1];
+
+            // Sanitize before measuring so the tab expansion is accounted for
+            int cursorX = textAreaX() + widthUpTo(
+                    (ln < lines.length) ? lines[ln] : "",
+                    (ln < lines.length) ? Math.min(col, lines[ln].length()) : 0
+            ) - scrollX;
+            int cursorY = start_y + ln * lineH - scrollY;
+
+            // Only draw cursor if it's within the visible text area
+            if (cursorX >= textAreaX() && cursorX <= end_x) {
+                graphics.fill(cursorX, cursorY, cursorX + 1, cursorY + lineH, COLOR_CURSOR);
+            }
+        }
+
+        graphics.disableScissor();
+    }
+
+    // ── Input handlers ────────────────────────────────────────────────────
+
+    public boolean handleMouseClicked(MouseButtonEvent event) {
+        int clicked     = pixelToOffset(event.x(), event.y());
+        cursorPos       = clicked;
+        selectionAnchor = clicked;
+        return true;
+    }
+
+    public boolean handleMouseDragged(MouseButtonEvent event) {
+        cursorPos = pixelToOffset(event.x(), event.y());
+
+        // Auto-scroll when dragging outside the editor bounds
+        if (font != null) {
+            int lineH = font.lineHeight;
+            double my = event.y();
+            double mx = event.x();
+
+            if (my < getStartY())       scrollY = Math.max(0, scrollY - lineH);
+            else if (my > getEndY())    scrollY = Math.min(maxScrollY(), scrollY + lineH);
+
+            if (mx < textAreaX())   scrollX = Math.max(0, scrollX - 10);
+            else if (mx > getEndX())    scrollX = Math.min(maxScrollX(), scrollX + 10);
+        }
+
+        return true;
+    }
+
+    public boolean handleMouseReleased(MouseButtonEvent event) {
+        if (cursorPos == selectionAnchor) selectionAnchor = -1;
+        return true;
+    }
+
+    /**
+     * Call this from your Screen's mouseScrolled override whenever inside() is true.
+     *
+     * @param delta  positive = scroll up (content moves down), negative = scroll down
+     */
+    public boolean handleMouseScrolled(double delta) {
+        if (font == null) return true;
+        int amount = (int) (delta * SCROLL_SPEED * font.lineHeight);
+
+        scrollY = Math.max(0, Math.min(scrollY - amount, maxScrollY()));
+
+        return true;
+    }
+
+    public boolean handleCharTyped(CharacterEvent event) {
+        int codePoint = event.codepoint();
+        if (codePoint >= 32 && codePoint != 127) {
+            if (hasSelection()) deleteSelection();
+            text.insert(cursorPos, Character.toString(codePoint));
+            cursorPos += Character.charCount(codePoint);
+            selectionAnchor = -1;
+            scrollToCursor();
+        }
+        return true;
+    }
+
+    public boolean handleKeyPressed(KeyEvent event) {
+        int key      = event.key();
+        boolean shift = event.hasShiftDown();
+        boolean ctrl  = event.hasControlDown();
+
+        Minecraft minecraft = Minecraft.getInstance();
+
+        switch (key) {
+            case 257 -> { // Enter
+                if (hasSelection()) deleteSelection();
+                text.insert(cursorPos, '\n');
+                cursorPos++;
+                selectionAnchor = -1;
+                scrollToCursor();
+                return true;
+            }
+            case 258 -> { // Tab
+                if (hasSelection()) deleteSelection();
+                text.insert(cursorPos, '\t');
+                cursorPos++;
+                selectionAnchor = -1;
+                scrollToCursor();
+                return true;
+            }
+            case 259 -> { // Backspace
+                if (hasSelection()) { deleteSelection(); }
+                else if (cursorPos > 0) { text.deleteCharAt(--cursorPos); }
+                selectionAnchor = -1;
+                scrollToCursor();
+                return true;
+            }
+            case 261 -> { // Delete
+                if (hasSelection()) { deleteSelection(); }
+                else if (cursorPos < text.length()) { text.deleteCharAt(cursorPos); }
+                selectionAnchor = -1;
+                scrollToCursor();
+                return true;
+            }
+            case 263 -> { // Left
+                if (shift) {
+                    if (selectionAnchor < 0) selectionAnchor = cursorPos;
+                    if (cursorPos > 0) cursorPos--;
+                } else {
+                    if (hasSelection()) cursorPos = Math.min(selectionAnchor, cursorPos);
+                    else if (cursorPos > 0) cursorPos--;
+                    selectionAnchor = -1;
+                }
+                scrollToCursor();
+                return true;
+            }
+            case 262 -> { // Right
+                if (shift) {
+                    if (selectionAnchor < 0) selectionAnchor = cursorPos;
+                    if (cursorPos < text.length()) cursorPos++;
+                } else {
+                    if (hasSelection()) cursorPos = Math.max(selectionAnchor, cursorPos);
+                    else if (cursorPos < text.length()) cursorPos++;
+                    selectionAnchor = -1;
+                }
+                scrollToCursor();
+                return true;
+            }
+            case 265 -> { // Up
+                if (shift && selectionAnchor < 0) selectionAnchor = cursorPos;
+                int[] lc = offsetToLineCol(cursorPos);
+                cursorPos = (lc[0] - 1 >= 0) ? lineColToOffset(lc[0] - 1, lc[1]) : 0;
+                if (!shift) selectionAnchor = -1;
+                scrollToCursor();
+                return true;
+            }
+            case 264 -> { // Down
+                if (shift && selectionAnchor < 0) selectionAnchor = cursorPos;
+                int[] lc2 = offsetToLineCol(cursorPos);
+                String[] lines = getLines();
+                cursorPos = (lc2[0] + 1 < lines.length)
+                        ? lineColToOffset(lc2[0] + 1, lc2[1])
+                        : text.length();
+                if (!shift) selectionAnchor = -1;
+                scrollToCursor();
+                return true;
+            }
+            case 268 -> { // Home
+                if (shift && selectionAnchor < 0) selectionAnchor = cursorPos;
+                cursorPos = lineColToOffset(offsetToLineCol(cursorPos)[0], 0);
+                if (!shift) selectionAnchor = -1;
+                scrollToCursor();
+                return true;
+            }
+            case 269 -> { // End
+                if (shift && selectionAnchor < 0) selectionAnchor = cursorPos;
+                int[] lc4 = offsetToLineCol(cursorPos);
+                cursorPos = lineColToOffset(lc4[0], getLines()[lc4[0]].length());
+                if (!shift) selectionAnchor = -1;
+                scrollToCursor();
+                return true;
+            }
+            case 65 -> { // Ctrl+A
+                if (ctrl) { selectionAnchor = 0; cursorPos = text.length(); scrollToCursor(); return true; }
+            }
+            case 67, 88 -> { // Ctrl+C / Ctrl+X
+                if (ctrl && hasSelection()) {
+                    int lo = Math.min(selectionAnchor, cursorPos);
+                    int hi = Math.max(selectionAnchor, cursorPos);
+                    minecraft.keyboardHandler.setClipboard(text.substring(lo, hi));
+                    if (key == 88) { deleteSelection(); scrollToCursor(); }
+                    return true;
+                }
+            }
+            case 86 -> { // Ctrl+V
+                if (ctrl) {
+                    if (hasSelection()) deleteSelection();
+                    String clip = minecraft.keyboardHandler.getClipboard();
+                    text.insert(cursorPos, clip);
+                    cursorPos += clip.length();
+                    selectionAnchor = -1;
+                    scrollToCursor();
+                    return true;
+                }
+            }
+            case 83 -> { // Ctrl+S
+                saveEditorFile();
+            }
+        }
+        return false;
+    }
+
+    public void setEditorFile(EditorFile currentEditorFile) {
+        this.currentEditorFile = currentEditorFile;
+        text = new StringBuilder(currentEditorFile.getText());
+    }
+
+    public void saveEditorFile() {
+        if(this.currentEditorFile == null) return;
+        this.currentEditorFile.setText(text.toString());
+
+        // Send save
+        ServerboundSaveCodePayload payload = new ServerboundSaveCodePayload(this.currentEditorFile);
+        ClientPlayNetworking.send(payload);
+    }
+}
--- a/src/client/java/com/aranroig/client/editor/EditorManager.java
+++ b/src/client/java/com/aranroig/client/editor/EditorManager.java
@@ -0,0 +1,83 @@
+package com.aranroig.client.editor;
+
+import com.aranroig.client.wrapper.Logger;
+import net.minecraft.client.Minecraft;
+import party.iroiro.luajava.Lua;
+import party.iroiro.luajava.luaj.LuaJ;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class EditorManager {
+
+    Minecraft client;
+
+    EditorFileTree editorFileTree;
+    EditorTopBar editorTopBar;
+    EditorFileView editorFileView;
+
+    List<com.aranroig.editor.EditorFile> files;
+
+    public EditorManager() {
+        client = Minecraft.getInstance();
+
+        editorFileTree = new EditorFileTree(this);
+        editorTopBar = new EditorTopBar(this);
+        editorFileView = new EditorFileView(this);
+
+        files = new ArrayList<>();
+
+        // Add example file
+        com.aranroig.editor.EditorFile editorFile = new com.aranroig.editor.EditorFile("test.lua", "");
+        files.add(editorFile);
+    }
+
+    public List<com.aranroig.editor.EditorFile> getFiles() {
+        return files;
+    }
+
+    private final int FILE_RENDER_WIDTH_SIZE = 150;
+    private final int TOP_BAR_HEIGHT = 12;
+
+    public void toggleVisible() {
+        TextEditorScreen textEditorScreen = new TextEditorScreen();
+
+        // Populate screen with widgets
+        editorFileTree.setSize(0, TOP_BAR_HEIGHT, FILE_RENDER_WIDTH_SIZE, -1);
+        editorFileTree.addToEditorScreen(textEditorScreen);
+
+        editorTopBar.setSize(0, 0, -1, TOP_BAR_HEIGHT);
+        editorTopBar.setZIndex(1);
+        editorTopBar.addToEditorScreen(textEditorScreen);
+
+        editorFileView.setSize(FILE_RENDER_WIDTH_SIZE, TOP_BAR_HEIGHT, -1, -1);
+        editorFileView.setEditorFile(files.getFirst());
+        editorFileView.addToEditorScreen(textEditorScreen);
+
+        client.setScreenAndShow(textEditorScreen);
+    }
+
+    public void newFile() {
+    }
+
+    public void save() {
+    }
+
+    public void undo() {
+    }
+
+    public void run() {
+        String code = files.getFirst().getText();
+        System.out.println(code);
+
+        Lua l = new LuaJ();
+        l.register("print", Logger.print());
+        l.run(code);
+    }
+
+    public void redo() {
+    }
+
+    public void stop() {
+    }
+}
--- a/src/client/java/com/aranroig/client/editor/EditorScreen.java
+++ b/src/client/java/com/aranroig/client/editor/EditorScreen.java
@@ -0,0 +1,113 @@
+package com.aranroig.client.editor;
+
+import net.minecraft.client.gui.screens.Screen;
+import net.minecraft.client.input.CharacterEvent;
+import net.minecraft.client.input.KeyEvent;
+import net.minecraft.client.input.MouseButtonEvent;
+import net.minecraft.network.chat.Component;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public abstract class EditorScreen extends Screen {
+
+    private boolean isDragging = false;
+
+    protected EditorScreen(Component title) {
+        super(title);
+    }
+
+    protected List<Widget> widgets = new ArrayList<>();
+
+    protected Widget selectedWidget;
+
+    public void addWidget(Widget widget){
+        widgets.add(widget);
+    }
+
+    @Override
+    public boolean keyPressed(KeyEvent event) {
+        if(selectedWidget != null){
+            if(selectedWidget.handleKeyPressed(event)) return true;
+        }
+
+        return super.keyPressed(event);
+    }
+
+    @Override
+    public boolean charTyped(CharacterEvent event) {
+        if(selectedWidget != null){
+            if(selectedWidget.handleCharTyped(event))
+                return true;
+        }
+
+        return super.charTyped(event);
+    }
+
+    @Override
+    public boolean keyReleased(KeyEvent event) {
+        return super.keyReleased(event);
+    }
+
+    @Override
+    public boolean mouseClicked(final MouseButtonEvent event, final boolean doubleClick) {
+        selectedWidget = raycastWidget(event);
+        if(selectedWidget != null)
+            if (event.button() == 0) { // left button
+                isDragging = true;
+                if(selectedWidget.handleMouseClicked(event))
+                    return true;
+            }
+        return super.mouseClicked(event,  doubleClick);
+    }
+
+    @Override
+    public boolean mouseDragged(final MouseButtonEvent event, final double dx, final double dy) {
+        if(selectedWidget != null)
+            if (event.button() == 0 && isDragging) {
+                if(selectedWidget.handleMouseDragged(event))
+                    return true;
+            }
+        return super.mouseDragged(event, dx, dy);
+    }
+
+    @Override
+    public boolean mouseReleased(final MouseButtonEvent event) {
+        if(selectedWidget != null)
+            if (event.button() == 0) {
+                isDragging = false;
+                if(selectedWidget.handleMouseReleased(event))
+                    return true;
+            }
+        return super.mouseReleased(event);
+    }
+
+    @Override
+    public boolean mouseScrolled(final double x, final double y, final double scrollX, final double scrollY) {
+        if (selectedWidget != null){
+            if (selectedWidget.inside(x, y)) {
+                // scrollY from GLFW: positive = up, which in our model = scroll content upward
+                if(selectedWidget.handleMouseScrolled(scrollY))
+                    return true;
+            }
+        }
+
+        return super.mouseScrolled(x, y, scrollX, scrollY);
+    }
+
+    private Widget raycastWidget(MouseButtonEvent event) {
+        Widget bestWidget = null;
+        for(Widget widget : widgets){
+            if(widget.inside(event.x(), event.y())){
+                if(bestWidget == null) bestWidget = widget;
+                else {
+                    if(bestWidget.getZIndex() < widget.getZIndex()) {
+                        bestWidget = widget;
+                    }
+                }
+            }
+        }
+        return bestWidget;
+    }
+
+}
--- a/src/client/java/com/aranroig/client/editor/EditorTopBar.java
+++ b/src/client/java/com/aranroig/client/editor/EditorTopBar.java
@@ -0,0 +1,314 @@
+package com.aranroig.client.editor;
+
+import net.minecraft.client.gui.Font;
+import net.minecraft.client.gui.GuiGraphicsExtractor;
+import net.minecraft.client.input.CharacterEvent;
+import net.minecraft.client.input.KeyEvent;
+import net.minecraft.client.input.MouseButtonEvent;
+import org.jspecify.annotations.NonNull;
+
+import java.util.List;
+
+public class EditorTopBar extends Widget {
+    public EditorTopBar(EditorManager editorManager) {
+        super(editorManager);
+    }
+
+    private static final int BAR_HEIGHT        = 12;
+    private static final int TAB_PADDING_X     = 6;
+    private static final int TAB_PADDING_Y     = 2;
+
+    // ── Colors ────────────────────────────────────────────────────────────
+    private static final int COLOR_TEXT        = 0xFFFFFFFF;
+    private static final int COLOR_BACKGROUND  = 0xFF1C1C1C;
+    private static final int COLOR_TAB_HOVER   = 0xFF2D2D2D;
+    private static final int COLOR_TAB_OPEN    = 0xFF3A3A3A;
+    private static final int COLOR_DROPDOWN_BG = 0xFF252525;
+    private static final int COLOR_ITEM_HOVER  = 0xFF0055AA;
+    private static final int COLOR_SEPARATOR   = 0xFF444444;
+
+
+
+    // ── Menu definitions ──────────────────────────────────────────────────
+    private record MenuItem(String label, boolean isSeparator) {
+        static MenuItem item(String label) { return new MenuItem(label, false); }
+        static MenuItem separator()        { return new MenuItem("", true); }
+    }
+
+    private static final String[] TAB_LABELS = { "File", "Edit", "Run" };
+
+    private static final List<List<MenuItem>> TAB_ITEMS = List.of(
+            // File
+            List.of(
+                    MenuItem.item("New File"),
+                    MenuItem.item("Open..."),
+                    MenuItem.item("Save"),
+                    MenuItem.item("Save As..."),
+                    MenuItem.separator(),
+                    MenuItem.item("Close")
+            ),
+            // Edit
+            List.of(
+                    MenuItem.item("Undo"),
+                    MenuItem.item("Redo"),
+                    MenuItem.separator(),
+                    MenuItem.item("Cut"),
+                    MenuItem.item("Copy"),
+                    MenuItem.item("Paste"),
+                    MenuItem.separator(),
+                    MenuItem.item("Find..."),
+                    MenuItem.item("Replace...")
+            ),
+            // Run
+            List.of(
+                    MenuItem.item("Run Script"),
+                    MenuItem.item("Stop"),
+                    MenuItem.separator(),
+                    MenuItem.item("Build Project")
+            )
+    );
+
+    // ── State ─────────────────────────────────────────────────────────────
+    /** Index of the currently open dropdown (-1 = none). */
+    private int openTab = -1;
+    /** Mouse position, updated each frame from the screen. */
+    private int mouseX, mouseY;
+
+    // ── Drawing ───────────────────────────────────────────────────────────
+
+    public void draw(@NonNull GuiGraphicsExtractor graphics, int mouseX, int mouseY, double delta) {
+        // Bar background
+        Font font = editorScreen.getFont();
+        cachedFont = font;
+        graphics.fill(getStartX(), getStartY(), getEndX(), getStartY() + BAR_HEIGHT, COLOR_BACKGROUND);
+        this.mouseX = mouseX;
+        this.mouseY = mouseY;
+
+        int tabX = getStartX();
+
+        for (int i = 0; i < TAB_LABELS.length; i++) {
+            String label     = TAB_LABELS[i];
+            int    labelW    = font.width(label);
+            int    tabWidth  = labelW + TAB_PADDING_X * 2;
+            int    tabEndX   = tabX + tabWidth;
+            int    tabEndY   = getStartY() + BAR_HEIGHT;
+
+            boolean hovered  = mouseX >= tabX && mouseX < tabEndX
+                    && mouseY >= getStartY() && mouseY < tabEndY;
+            boolean isOpen   = openTab == i;
+
+            // Tab background
+            int bg = isOpen ? COLOR_TAB_OPEN : (hovered ? COLOR_TAB_HOVER : COLOR_BACKGROUND);
+            graphics.fill(tabX, getStartY(), tabEndX, tabEndY, bg);
+
+            // Tab label
+            graphics.text(font, label,
+                    tabX + TAB_PADDING_X,
+                    getStartY() + TAB_PADDING_Y,
+                    COLOR_TEXT, false);
+
+            // Dropdown
+            if (isOpen) {
+                drawDropdown(graphics, font, i, tabX, tabEndY);
+            }
+
+            tabX = tabEndX;
+        }
+    }
+
+    @Override
+    public boolean handleKeyPressed(KeyEvent event) {
+        return false;
+    }
+
+    @Override
+    public boolean handleCharTyped(CharacterEvent event) {
+        return false;
+    }
+
+    @Override
+    public boolean handleMouseClicked(MouseButtonEvent event) {
+        int button = event.button();
+        double mx = event.x();
+        double my = event.y();
+
+        if (button != 0) return false;
+
+        int imx = (int) mx;
+        int imy = (int) my;
+
+        // Click on a tab label?
+        int tabX = getStartX();
+        for (int i = 0; i < TAB_LABELS.length; i++) {
+            int tabW   = font().width(TAB_LABELS[i]) + TAB_PADDING_X * 2;
+            int tabEndX = tabX + tabW;
+
+            if (imx >= tabX && imx < tabEndX
+                    && imy >= getStartY() && imy < getStartY() + BAR_HEIGHT) {
+                openTab = (openTab == i) ? -1 : i;
+                return true;
+            }
+            tabX = tabEndX;
+        }
+
+        // Click on a dropdown item?
+        if (openTab >= 0) {
+            int result = getClickedItemIndex(imx, imy, openTab);
+            if (result >= 0) {
+                onItemClicked(openTab, result);
+                openTab = -1;
+                return true;
+            }
+            // Click outside → close
+            openTab = -1;
+        }
+
+        return false;
+    }
+
+    @Override
+    public boolean handleMouseDragged(MouseButtonEvent event) {
+        return false;
+    }
+
+    @Override
+    public boolean handleMouseReleased(MouseButtonEvent event) {
+        return false;
+    }
+
+    @Override
+    public boolean handleMouseScrolled(double scrollY) {
+        return false;
+    }
+
+    private void drawDropdown(@NonNull GuiGraphicsExtractor graphics, Font font,
+                              int tabIndex, int tabX, int topY) {
+        List<MenuItem> items   = TAB_ITEMS.get(tabIndex);
+        int            dropW   = dropdownWidth(font, tabIndex);
+        int            dropX2  = tabX + dropW;
+        int            itemH   = font.lineHeight + TAB_PADDING_Y * 2;
+
+        // Calculate total height
+        int totalH = 0;
+        for (MenuItem m : items) totalH += m.isSeparator() ? 5 : itemH;
+
+        // Background + border
+        graphics.fill(tabX,     topY,          dropX2,     topY + totalH,     COLOR_DROPDOWN_BG);
+        graphics.fill(tabX,     topY,          dropX2,     topY + 1,          COLOR_SEPARATOR); // top
+        graphics.fill(tabX,     topY,          tabX + 1,   topY + totalH,     COLOR_SEPARATOR); // left
+        graphics.fill(dropX2-1, topY,          dropX2,     topY + totalH,     COLOR_SEPARATOR); // right
+        graphics.fill(tabX,     topY+totalH-1, dropX2,     topY + totalH,     COLOR_SEPARATOR); // bottom
+
+        int curY = topY;
+        for (MenuItem item : items) {
+            if (item.isSeparator()) {
+                graphics.fill(tabX + 4, curY + 2, dropX2 - 4, curY + 3, COLOR_SEPARATOR);
+                curY += 5;
+            } else {
+                boolean hovered = mouseX >= tabX && mouseX < dropX2
+                        && mouseY >= curY  && mouseY < curY + itemH;
+
+                if (hovered) {
+                    graphics.fill(tabX + 1, curY, dropX2 - 1, curY + itemH, COLOR_ITEM_HOVER);
+                }
+
+                graphics.text(font, item.label(),
+                        tabX + TAB_PADDING_X,
+                        curY + TAB_PADDING_Y,
+                        COLOR_TEXT, false);
+
+                curY += itemH;
+            }
+        }
+    }
+
+    // ── Item action dispatch ──────────────────────────────────────────────
+
+    private void onItemClicked(int tabIndex, int itemIndex) {
+        MenuItem item = TAB_ITEMS.get(tabIndex).get(itemIndex);
+        if (item.isSeparator()) return;
+
+        // TODO: wire these to your EditorManager
+        switch (item.label()) {
+            case "New File"      -> editorManager.newFile();
+            case "Save"          -> editorManager.save();
+            case "Undo"          -> editorManager.undo();
+            case "Redo"          -> editorManager.redo();
+            case "Run Script"    -> editorManager.run();
+            case "Stop"          -> editorManager.stop();
+            // Add remaining cases as needed
+            default -> System.out.println("[TopBar] Clicked: " + item.label());
+        }
+    }
+
+    // ── Helpers ───────────────────────────────────────────────────────────
+
+    private int dropdownWidth(Font font, int tabIndex) {
+        int maxW = 80; // minimum dropdown width
+        for (MenuItem item : TAB_ITEMS.get(tabIndex)) {
+            if (!item.isSeparator()) {
+                maxW = Math.max(maxW, font.width(item.label()) + TAB_PADDING_X * 2 + 8);
+            }
+        }
+        return maxW;
+    }
+
+    private int getClickedItemIndex(int mx, int my, int tabIndex) {
+        int tabX = getStartX();
+        for (int i = 0; i < tabIndex; i++) {
+            tabX += font().width(TAB_LABELS[i]) + TAB_PADDING_X * 2;
+        }
+
+        int dropW  = dropdownWidth(font(), tabIndex);
+        int topY   = getStartY() + BAR_HEIGHT;
+        int itemH  = font().lineHeight + TAB_PADDING_Y * 2;
+        int curY   = topY;
+
+        List<MenuItem> items = TAB_ITEMS.get(tabIndex);
+        for (int i = 0; i < items.size(); i++) {
+            MenuItem item = items.get(i);
+            int h = item.isSeparator() ? 5 : itemH;
+            if (!item.isSeparator()
+                    && mx >= tabX && mx < tabX + dropW
+                    && my >= curY  && my < curY + h) {
+                return i;
+            }
+            curY += h;
+        }
+        return -1;
+    }
+
+    @Override
+    public boolean inside(double x, double y) {
+        if (getStartX() <= x && x <= getEndX() && getStartY() <= y && y <= getEndY()) {
+            return true;
+        }
+
+        if (openTab >= 0 && cachedFont != null) {
+            // Find the X origin of the open tab
+            int tabX = getStartX();
+            for (int i = 0; i < openTab; i++) {
+                tabX += cachedFont.width(TAB_LABELS[i]) + TAB_PADDING_X * 2;
+            }
+
+            int dropW  = dropdownWidth(cachedFont, openTab);
+            int topY   = getStartY() + BAR_HEIGHT;
+            int itemH  = cachedFont.lineHeight + TAB_PADDING_Y * 2;
+
+            int totalH = 0;
+            for (MenuItem m : TAB_ITEMS.get(openTab)) {
+                totalH += m.isSeparator() ? 5 : itemH;
+            }
+
+            if (tabX <= x && x <= tabX + dropW && topY <= y && y <= topY + totalH) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /** Lazy accessor — store the font reference after the first draw() call if preferred. */
+    private Font cachedFont;
+    private Font font() { return cachedFont; }
+}
--- a/src/client/java/com/aranroig/client/editor/TextEditorScreen.java
+++ b/src/client/java/com/aranroig/client/editor/TextEditorScreen.java
@@ -0,0 +1,35 @@
+package com.aranroig.client.editor;
+
+import net.minecraft.client.gui.GuiGraphicsExtractor;
+import net.minecraft.network.chat.Component;
+import org.jspecify.annotations.NonNull;
+
+public class TextEditorScreen extends EditorScreen {
+
+    /** True while the left mouse button is held down during a drag-select. */
+
+    public TextEditorScreen() {
+        super(Component.literal("Codecraft Editor"));
+    }
+
+
+    @Override
+    public void extractRenderState(
+            @NonNull GuiGraphicsExtractor graphics,
+            int mouseX,
+            int mouseY,
+            float delta
+    ) {
+        super.extractRenderState(graphics, mouseX, mouseY, delta);
+
+        for (Widget widget : widgets) {
+            widget.draw(
+                    graphics,
+                    mouseX,
+                    mouseY,
+                    delta
+            );
+        }
+    }
+
+}
--- a/src/client/java/com/aranroig/client/editor/Widget.java
+++ b/src/client/java/com/aranroig/client/editor/Widget.java
@@ -0,0 +1,84 @@
+package com.aranroig.client.editor;
+
+import net.minecraft.client.gui.Font;
+import net.minecraft.client.gui.GuiGraphicsExtractor;
+import net.minecraft.client.gui.screens.Screen;
+import net.minecraft.client.input.CharacterEvent;
+import net.minecraft.client.input.KeyEvent;
+import net.minecraft.client.input.MouseButtonEvent;
+import org.jspecify.annotations.NonNull;
+
+public abstract class Widget {
+
+    private int start_x = 0;
+    private int start_y = 0;
+    private int end_x = 0;
+    private int end_y = 0;
+
+    private int z_index = 0;
+
+    private Screen s;
+
+    // Maybe moure aixo per més genèric?
+    public EditorManager editorManager;
+
+    public Widget(EditorManager editorManager) {
+        this.editorManager = editorManager;
+    }
+
+    public boolean inside(double x, double y) {
+        return getStartX() <= x && x <= getEndX() && getStartY() <= y && y <= getEndY();
+    }
+
+    public void setSize(int start_x, int start_y, int end_x, int end_y) {
+        this.start_x = start_x;
+        this.start_y = start_y;
+        this.end_x   = end_x;
+        this.end_y   = end_y;
+    }
+
+    public abstract void draw(@NonNull GuiGraphicsExtractor graphics, int mouseX, int mouseY, double delta);
+
+    public int getStartX() {
+        return normalize(start_x, editorScreen.width);
+    }
+
+    public int getStartY() {
+        return normalize(start_y, editorScreen.height);
+    }
+
+    public int getEndX() {
+        return normalize(end_x, editorScreen.width);
+    }
+
+    public int getEndY() {
+        return normalize(end_y, editorScreen.height);
+    }
+
+    private int normalize(int start, int total) {
+        if(start < 0) return total + start + 1;
+        return start;
+    }
+
+    protected EditorScreen editorScreen;
+
+    public void addToEditorScreen(EditorScreen editorScreen){
+        this.editorScreen = editorScreen;
+        editorScreen.addWidget(this);
+    }
+
+    public abstract boolean handleKeyPressed(KeyEvent event);
+    public abstract boolean handleCharTyped(CharacterEvent event);
+    public abstract boolean handleMouseClicked(MouseButtonEvent event);
+    public abstract boolean handleMouseDragged(MouseButtonEvent event);
+    public abstract boolean handleMouseReleased(MouseButtonEvent event);
+    public abstract boolean handleMouseScrolled(double scrollY);
+
+    public int getZIndex() {
+        return z_index;
+    }
+
+    public void setZIndex(int z_index) {
+        this.z_index = z_index;
+    }
+}
--- a/src/client/java/com/aranroig/client/mixin/ExampleClientMixin.java
+++ b/src/client/java/com/aranroig/client/mixin/ExampleClientMixin.java
@@ -0,0 +1,15 @@
+package com.aranroig.client.mixin;
+
+import net.minecraft.client.Minecraft;
+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(Minecraft.class)
+public class ExampleClientMixin {
+	@Inject(at = @At("HEAD"), method = "run")
+	private void init(CallbackInfo info) {
+		// This code is injected into the start of Minecraft.run()V
+	}
+}
--- a/src/client/java/com/aranroig/client/translations/CodecraftEnglishLangProvider.java
+++ b/src/client/java/com/aranroig/client/translations/CodecraftEnglishLangProvider.java
@@ -0,0 +1,19 @@
+package com.aranroig.client.translations;
+
+import net.fabricmc.fabric.api.datagen.v1.FabricPackOutput;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricLanguageProvider;
+import net.minecraft.core.HolderLookup;
+
+import java.util.concurrent.CompletableFuture;
+
+public class CodecraftEnglishLangProvider extends FabricLanguageProvider {
+    public CodecraftEnglishLangProvider(FabricPackOutput dataOutput, CompletableFuture<HolderLookup.Provider> registryLookup) {
+        super(dataOutput, "en_us", registryLookup);
+    }
+
+    @Override
+    public void generateTranslations(HolderLookup.Provider registryLookup, TranslationBuilder translationBuilder) {
+        translationBuilder.add("key.codecraft.open_editor", "Open Editor");
+        translationBuilder.add("key.category.codecraft.codecraft", "Codecraft");
+    }
+}
--- a/src/client/java/com/aranroig/client/wrapper/Logger.java
+++ b/src/client/java/com/aranroig/client/wrapper/Logger.java
@@ -0,0 +1,24 @@
+package com.aranroig.client.wrapper;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.network.chat.Component;
+import party.iroiro.luajava.value.LuaFunction;
+
+public class Logger {
+    public static LuaFunction print(){
+        return (lua, args) -> {
+            Minecraft client = Minecraft.getInstance();
+
+            StringBuilder sb = new StringBuilder();
+
+            for (int i = 0; i < args.length; i++) {
+                if (i > 0) sb.append('\t');
+                sb.append(args[i]);
+            }
+
+            client.player.sendSystemMessage(Component.literal(sb.toString()));
+
+            return null;
+        };
+    }
+}
--- a/src/client/resources/codecraft.client.mixins.json
+++ b/src/client/resources/codecraft.client.mixins.json
@@ -0,0 +1,14 @@
+{
+	"required": true,
+	"package": "com.aranroig.client.mixin",
+	"compatibilityLevel": "JAVA_25",
+	"client": [
+		"ExampleClientMixin"
+	],
+	"injectors": {
+		"defaultRequire": 1
+	},
+	"overwrites": {
+		"requireAnnotations": true
+	}
+}
--- a/src/main/generated/assets/codecraft/lang/en_us.json
+++ b/src/main/generated/assets/codecraft/lang/en_us.json
@@ -0,0 +1,4 @@
+{
+  "key.category.codecraft.codecraft": "Codecraft",
+  "key.codecraft.open_editor": "Open Editor"
+}
--- a/src/main/java/com/aranroig/Codecraft.java
+++ b/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);
+	}
+}
--- a/src/main/java/com/aranroig/editor/EditorFile.java
+++ b/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;
+    }
+
+}
--- a/src/main/java/com/aranroig/mixin/ExampleMixin.java
+++ b/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
+	}
+}
--- a/src/main/java/com/aranroig/payloads/ClientboundSaveCodePayload.java
+++ b/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;
+    }
+}
--- a/src/main/java/com/aranroig/payloads/ServerboundSaveCodePayload.java
+++ b/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;
+    }
+}
--- a/src/main/resources/assets/codecraft/icon.png
+++ b/src/main/resources/assets/codecraft/icon.png
--- a/src/main/resources/codecraft.mixins.json
+++ b/src/main/resources/codecraft.mixins.json
@@ -0,0 +1,14 @@
+{
+	"required": true,
+	"package": "com.aranroig.mixin",
+	"compatibilityLevel": "JAVA_25",
+	"mixins": [
+		"ExampleMixin"
+	],
+	"injectors": {
+		"defaultRequire": 1
+	},
+	"overwrites": {
+		"requireAnnotations": true
+	}
+}
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -0,0 +1,41 @@
+{
+	"schemaVersion": 1,
+	"id": "codecraft",
+	"version": "${version}",
+	"name": "codecraft",
+	"description": "Codecraft Mod",
+	"authors": [
+		"Aran Roig"
+	],
+	"contact": {
+		"homepage": "https://aranroig.com/",
+		"sources": "https://github.com/FabricMC/fabric-example-mod"
+	},
+	"license": "CC0-1.0",
+	"icon": "assets/codecraft/icon.png",
+	"environment": "*",
+	"entrypoints": {
+		"main": [
+			"com.aranroig.Codecraft"
+		],
+		"client": [
+			"com.aranroig.client.CodecraftClient"
+		],
+		"fabric-datagen": [
+			"com.aranroig.client.CodecraftDataGenerator"
+		]
+	},
+	"mixins": [
+		"codecraft.mixins.json",
+		{
+			"config": "codecraft.client.mixins.json",
+			"environment": "client"
+		}
+	],
+	"depends": {
+		"fabricloader": ">=0.19.3",
+		"minecraft": "~26.2",
+		"java": ">=25",
+		"fabric-api": "*"
+	}
+}