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This commit is contained in:
Aran Roig
2026-07-12 17:00:44 +02:00
commit aa8fa05506
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#
# 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

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# 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/

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# 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

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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
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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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vii. other similar, equivalent or corresponding rights throughout the
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will not (i) exercise any of his or her remaining Copyright and Related
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4. Limitations and Disclaimers.
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Further, Affirmer disclaims responsibility for obtaining any necessary
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# 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.

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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.
}
}

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# 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

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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

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#!/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 "$JAVACMD" "$@"

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@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%

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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'

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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();
}
}
});
}
}

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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);
}
}

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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;
}
}

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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);
}
}

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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() {
}
}

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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;
}
}

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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; }
}

35
src/client/java/com/aranroig/client/editor/TextEditorScreen.java Normal file
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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
);
}
}
}

84
src/client/java/com/aranroig/client/editor/Widget.java Normal file
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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;
}
}

15
src/client/java/com/aranroig/client/mixin/ExampleClientMixin.java Normal file
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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
}
}

19
src/client/java/com/aranroig/client/translations/CodecraftEnglishLangProvider.java Normal file
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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");
}
}

24
src/client/java/com/aranroig/client/wrapper/Logger.java Normal file
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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;
};
}
}

14
src/client/resources/codecraft.client.mixins.json Normal file
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{
"required": true,
"package": "com.aranroig.client.mixin",
"compatibilityLevel": "JAVA_25",
"client": [
"ExampleClientMixin"
],
"injectors": {
"defaultRequire": 1
},
"overwrites": {
"requireAnnotations": true
}
}

4
src/main/generated/assets/codecraft/lang/en_us.json Normal file
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{
"key.category.codecraft.codecraft": "Codecraft",
"key.codecraft.open_editor": "Open Editor"
}

39
src/main/java/com/aranroig/Codecraft.java Normal file
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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);
}
}

40
src/main/java/com/aranroig/editor/EditorFile.java Normal file
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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;
}
}

15
src/main/java/com/aranroig/mixin/ExampleMixin.java Normal file
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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
}
}

23
src/main/java/com/aranroig/payloads/ClientboundSaveCodePayload.java Normal file
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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;
}
}

22
src/main/java/com/aranroig/payloads/ServerboundSaveCodePayload.java Normal file
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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;
}
}

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14
src/main/resources/codecraft.mixins.json Normal file
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{
"required": true,
"package": "com.aranroig.mixin",
"compatibilityLevel": "JAVA_25",
"mixins": [
"ExampleMixin"
],
"injectors": {
"defaultRequire": 1
},
"overwrites": {
"requireAnnotations": true
}
}

41
src/main/resources/fabric.mod.json Normal file
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{
"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": "*"
}
}