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JFronny 2021-10-27 22:00:08 +02:00
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.gitignore vendored Normal file
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.gradle/
.idea/
build/
run/
imgui.ini

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build.gradle Normal file
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plugins {
id 'java'
id 'application'
id 'com.github.johnrengelman.shadow' version '7.0.0'
}
group 'io.gitlab.jfronny'
version '1.0'
application {
mainClass = 'io.gitlab.jfronny.glaunch.GLaunch'
}
repositories {
mavenCentral()
}
ext {
lwjglVersion = '3.2.3'
imguiVersion = '1.84.1.3'
log4jVersion = '2.14.1'
}
dependencies {
implementation 'com.google.code.gson:gson:2.8.8'
implementation "org.apache.logging.log4j:log4j-api:$log4jVersion"
implementation "org.apache.logging.log4j:log4j-core:$log4jVersion"
implementation platform("org.lwjgl:lwjgl-bom:$lwjglVersion")
['', '-opengl', '-glfw'].each {
implementation "org.lwjgl:lwjgl$it:$lwjglVersion"
implementation "org.lwjgl:lwjgl$it::natives-windows"
implementation "org.lwjgl:lwjgl$it::natives-linux"
implementation "org.lwjgl:lwjgl$it::natives-macos"
}
implementation "io.github.spair:imgui-java-binding:$imguiVersion" // https://github.com/SpaiR/imgui-java
implementation "io.github.spair:imgui-java-lwjgl3:$imguiVersion"
implementation "io.github.spair:imgui-java-natives-windows:$imguiVersion"
implementation "io.github.spair:imgui-java-natives-linux:$imguiVersion"
implementation "io.github.spair:imgui-java-natives-macos:$imguiVersion"
}
test {
useJUnitPlatform()
}

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-7.1-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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#!/usr/bin/env sh
#
# Copyright 2015 the original author or 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.
#
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MSYS* | MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# 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: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=`expr $i + 1`
done
case $i in
0) set -- ;;
1) set -- "$args0" ;;
2) set -- "$args0" "$args1" ;;
3) set -- "$args0" "$args1" "$args2" ;;
4) set -- "$args0" "$args1" "$args2" "$args3" ;;
5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=`save "$@"`
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
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
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
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%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Net;
using System.Reflection;
using System.Text;
using Newtonsoft.Json.Linq;
namespace McMan
{
internal class Program
{
public static void Main(string[] args)
{
if (args.Length == 0)
{
args = new string[1];
Console.WriteLine("Username");
Console.Write("> ");
args[0] = Console.ReadLine();
}
if (args.Length == 1)
{
args = new [] {args[0], "choose"};
}
if (args.Length == 2)
{
Console.WriteLine("Max memory (empty for 2G)");
Console.Write("> ");
args = new [] {args[0], args[1], Console.ReadLine()};
}
if (Directory.Exists("assets"))
Directory.Delete("assets", true);
if (Directory.Exists("Game"))
Directory.Delete("Game", true);
Directory.CreateDirectory("Game");
using WebClient client = new WebClient();
string maxMem = args[2];
maxMem = string.IsNullOrWhiteSpace(maxMem) ? "2G" : maxMem;
Environment.CurrentDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
JObject gameJson = GetMinecraftJson(client, args[1], out string ver);
DownloadClient(client, gameJson["downloads"]["client"]);
DownloadAssets(client, gameJson["assetIndex"], ver);
string classpath = DownloadLibs(client, (JArray) gameJson["libraries"]);
Console.WriteLine("Creating launch script");
classpath += "client.jar";
const string mainClass = "net.minecraft.client.main.Main";
const string java = "javaw";
const string lowMem = "768M";
string javaOptions =
$"-server -splash:splash.png -d64 -da -dsa -Xrs -Xms{lowMem} -Xmx{maxMem} -XX:NewSize={lowMem} -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -XX:+DisableExplicitGC -Djava.library.path=libraries -cp {classpath} {mainClass}";
string jvmBat =
$"start /D %cd% /I /HIGH {java} {javaOptions} --username {args[0]} --version {ver} --gameDir %cd% --assetsDir assets --assetIndex {gameJson.Value<string>("assets")} --uuid 2536abce90e8476a871679918164abc5 --accessToken 99abe417230342cb8e9e2168ab46297a --userType legacy --versionType release --nativeLauncherVersion 307";
File.WriteAllText(Path.Combine("Game", "start.bat"), jvmBat);
Console.WriteLine("Done!");
}
//Downloads a JRE, doesn't start
/*private static void GetJRE(WebClient client, bool x64)
{
Console.WriteLine("Fetching JRE Versions...");
IEnumerable<JToken> json = JArray.Parse(client.DownloadString("https://api.adoptopenjdk.net/v2/info/releases/openjdk11"))
.SelectMany(s => (JArray)s["binaries"]);
Console.WriteLine("Selecting version...");
string download = json.Last(s =>
s.Value<string>("os") == "windows" && s.Value<string>("architecture") == (x64 ? "x64" : "x32") &&
s.Value<string>("binary_type") == "jre" && s.Value<string>("heap_size") == "normal")
.Value<string>("binary_link");
Console.WriteLine($"Downloading from {download}...");
if (Directory.Exists("jdk"))
Directory.Delete("jdk", true);
Directory.CreateDirectory("jdk");
using MemoryStream ms = new MemoryStream(client.DownloadData(download));
Console.WriteLine("Extracting...");
using ZipArchive archive = new ZipArchive(ms);
archive.ExtractToDirectory("jdk");
Microsoft.VisualBasic.FileIO.FileSystem.CopyDirectory(Directory.GetDirectories("jdk")[0], "Game");
Directory.Delete("jdk", true);
}*/
private static string DownloadLibs(WebClient client, JArray libraries)
{
string output = "";
string libdir = Path.Combine("Game", "libraries");
Console.WriteLine("Downloading libs...");
Directory.CreateDirectory(libdir);
Console.CursorTop++;
JToken[] tmp = libraries.ToArray();
for (int i = 0; i < tmp.Length; i++)
{
JToken lib = tmp[i];
if (lib["downloads"].Any(s => ((JProperty) s).Name == "classifiers"))
output = lib["downloads"]["classifiers"].Where(lib2 => ((JProperty) lib2).Name == "natives-windows")
.Aggregate(
output,
(current, lib2) => current + DownloadLib(client, lib2.First.Value<string>("sha1"),
lib2.First.Value<string>("url"), lib2.First.Value<string>("path"),
libdir));
Console.CursorLeft = 0;
Console.CursorTop--;
Console.WriteLine($"[{i + 1}/{tmp.Length}] Getting {lib["downloads"]["artifact"].Value<string>("path")}{new string(' ', 10)}");
output += DownloadLib(client,
lib["downloads"]["artifact"].Value<string>("sha1"),
lib["downloads"]["artifact"].Value<string>("url"),
lib["downloads"]["artifact"].Value<string>("path"),
libdir);
}
return output;
}
private static string DownloadLib(WebClient client, string hash, string url, string path, string libdir)
{
string tmp = path.Split('/').Aggregate(libdir, Path.Combine);
byte[] libB = client.DownloadData(url);
if (Tools.Hash(libB) != hash)
{
Console.WriteLine("ERROR: HASH MISMATCH IN LIBRARY");
throw new Exception();
}
Directory.CreateDirectory(Path.GetDirectoryName(tmp));
File.WriteAllBytes(tmp, libB);
return $"{path.Split('/').Aggregate("libraries", Path.Combine)};";
}
private static void DownloadAssets(WebClient client, JToken assetIndex, string version)
{
bool success = false;
byte[] indexB = new byte[0];
while (!success)
{
Console.WriteLine("Downloading asset index...");
indexB = client.DownloadData(assetIndex.Value<string>("url"));
success = Tools.Hash(indexB) == assetIndex.Value<string>("sha1");
}
JObject index = JObject.Parse(Encoding.Default.GetString(indexB));
string assetPath = Path.Combine("Game", "assets");
Directory.CreateDirectory(Path.Combine(assetPath, "indexes"));
File.WriteAllBytes(Path.Combine(assetPath, "indexes", Path.GetFileName(assetIndex.Value<string>("url"))), indexB);
Console.WriteLine("Processing...");
Console.CursorTop++;
JToken[] tmp = Enumerable.ToArray(index["objects"]);
for (int i = 0; i < tmp.Length; i++)
{
JProperty asset = (JProperty)tmp[i];
string name = asset.Name;
Console.CursorLeft = 0;
Console.CursorTop--;
Console.WriteLine($"[{i + 1}/{tmp.Length}] Getting {name}{new string(' ', 10)}");
string hash = asset.First.Value<string>("hash");
string url = $"http://resources.download.minecraft.net/{string.Join("", hash.Substring(0, 2))}/{hash}";
byte[] file = client.DownloadData(url);
if (Tools.Hash(file) != hash)
{
Console.WriteLine("ERROR: HASH MISMATCH IN ASSET");
throw new Exception();
}
string path = Path.Combine(assetPath, "objects", hash.Substring(0, 2));
if (!Directory.Exists(path))
Directory.CreateDirectory(path);
File.WriteAllBytes(Path.Combine(path, hash), file);
}
}
private static void DownloadClient(WebClient client, JToken clientJson)
{
bool success = false;
byte[] mcClient = new byte[0];
while (!success)
{
Console.WriteLine("Downloading client...");
mcClient = client.DownloadData(clientJson.Value<string>("url"));
success = Tools.Hash(mcClient) == clientJson.Value<string>("sha1");
}
File.WriteAllBytes(Path.Combine("Game", "client.jar"), mcClient);
}
private static JObject GetMinecraftJson(WebClient client, string verdat, out string version)
{
Tuple<string, string> tmp;
Tuple<string, string>[] versions = GetVersions(client);
if (verdat == "choose")
{
Console.WriteLine("Select a Version (empty for latest)");
for (int i = 0; i < versions.Length; i++) Console.WriteLine($"{i + 1}\t- {versions[i].Item1}");
Console.Write("> ");
string inp = Console.ReadLine();
tmp = string.IsNullOrWhiteSpace(inp) ? versions.Last() : versions[int.Parse(inp) - 1];
}
else
tmp = versions.First(s => s.Item1.ToLower().Equals(verdat.ToLower(), StringComparison.InvariantCultureIgnoreCase));
version = tmp.Item1;
Console.WriteLine($"Using minecraft {version}");
return JObject.Parse(client.DownloadString(tmp.Item2));
}
private static Tuple<string, string>[] GetVersions(WebClient client)
{
JObject tmp =
JObject.Parse(client.DownloadString("https://launchermeta.mojang.com/mc/game/version_manifest.json"));
return tmp["versions"].Where(token => token.Value<string>("type") == "release").Select(token => new Tuple<string, string>(token.Value<string>("id"), token.Value<string>("url"))).OrderBy(s => Version.Parse(s.Item1)).ToArray();
}
}
}

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rootProject.name = 'GLaunch2'

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src/main/java/io/gitlab/jfronny/glaunch/Config.java Normal file
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package io.gitlab.jfronny.glaunch;
public class Config {
public boolean snapshots = false;
}

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src/main/java/io/gitlab/jfronny/glaunch/GLaunch.java Normal file
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package io.gitlab.jfronny.glaunch;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import imgui.ImGui;
import imgui.ImGuiIO;
import imgui.flag.ImGuiConfigFlags;
import imgui.gl3.ImGuiImplGl3;
import imgui.glfw.ImGuiImplGlfw;
import io.gitlab.jfronny.glaunch.gson.MinecraftArgumentDeserializer;
import io.gitlab.jfronny.glaunch.model.MinecraftArgument;
import io.gitlab.jfronny.glaunch.windows.MainWindow;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.lwjgl.glfw.*;
import org.lwjgl.opengl.GL;
import org.lwjgl.opengl.GL32;
import org.lwjgl.system.MemoryStack;
import org.lwjgl.system.MemoryUtil;
import java.io.IOException;
import java.nio.IntBuffer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.LinkedHashSet;
import java.util.Objects;
import java.util.Set;
//TODO generate gitignore
//TODO mods browser
//TODO load and launch instance from metadata
//TODO allow instance sync through metadata
public class GLaunch {
public static final Set<Window> WINDOWS = new LinkedHashSet<>();
public static final Logger LOGGER = LogManager.getFormatterLogger("GLaunch");
public static final Gson GSON = new GsonBuilder()
.registerTypeAdapter(MinecraftArgument.class, new MinecraftArgumentDeserializer())
.create();
public static final Path CACHE_DIR = Path.of("run/cache");
public static final Path INSTANCE_DIR = Path.of("run/instances");
public static final Path ASSETS_DIR = Path.of("run/assets");
public static final Path LIBRARIES_DIR = Path.of("run/libraries");
public static final Config CONFIG = new Config(); //TODO from gson
public static void main(String[] args) throws IOException {
LOGGER.info("Setting up cache dir");
if (!Files.exists(CACHE_DIR)) Files.createDirectories(CACHE_DIR);
if (!Files.exists(INSTANCE_DIR)) Files.createDirectories(INSTANCE_DIR);
if (!Files.exists(ASSETS_DIR)) Files.createDirectories(ASSETS_DIR);
if (!Files.exists(LIBRARIES_DIR)) Files.createDirectories(LIBRARIES_DIR);
LOGGER.info("Initializing UI");
WINDOWS.add(new MainWindow());
GLaunch gLaunch = new GLaunch();
gLaunch.init();
gLaunch.run();
gLaunch.dispose();
}
public static void open(Window window) {
WINDOWS.add(window);
}
private final ImGuiImplGlfw imGuiGlfw = new ImGuiImplGlfw();
private final ImGuiImplGl3 imGuiGl3 = new ImGuiImplGl3();
private String glslVersion = null;
/**
* Pointer to the native GLFW window.
*/
protected long handle;
/**
* Method to initialize application.
*/
protected void init() {
initWindow();
initImGui();
imGuiGlfw.init(handle, true);
imGuiGl3.init(glslVersion);
}
/**
* Method to dispose all used application resources and destroy its window.
*/
protected void dispose() {
imGuiGl3.dispose();
imGuiGlfw.dispose();
disposeImGui();
disposeWindow();
}
/**
* Method to create and initialize GLFW window.
*/
protected void initWindow() {
GLFWErrorCallback.createPrint(System.err).set();
if (!GLFW.glfwInit()) {
throw new IllegalStateException("Unable to initialize GLFW");
}
decideGlGlslVersions();
GLFW.glfwWindowHint(GLFW.GLFW_VISIBLE, GLFW.GLFW_FALSE);
GLFW.glfwWindowHint(GLFW.GLFW_RESIZABLE, GLFW.GLFW_FALSE);
handle = GLFW.glfwCreateWindow(10, 10, "GLaunch", MemoryUtil.NULL, MemoryUtil.NULL);
if (handle == MemoryUtil.NULL) {
throw new RuntimeException("Failed to create the GLFW window");
}
try (MemoryStack stack = MemoryStack.stackPush()) {
final IntBuffer pWidth = stack.mallocInt(1); // int*
final IntBuffer pHeight = stack.mallocInt(1); // int*
GLFW.glfwGetWindowSize(handle, pWidth, pHeight);
final GLFWVidMode vidmode = Objects.requireNonNull(GLFW.glfwGetVideoMode(GLFW.glfwGetPrimaryMonitor()));
GLFW.glfwSetWindowPos(handle, (vidmode.width() - pWidth.get(0)) / 2, (vidmode.height() - pHeight.get(0)) / 2);
}
GLFW.glfwMakeContextCurrent(handle);
GL.createCapabilities();
GLFW.glfwSwapInterval(GLFW.GLFW_TRUE);
//GLFW.glfwShowWindow(handle);
clearBuffer();
renderBuffer();
GLFW.glfwSetWindowSizeCallback(handle, new GLFWWindowSizeCallback() {
@Override
public void invoke(final long window, final int width, final int height) {
runFrame();
}
});
}
private void decideGlGlslVersions() {
final boolean isMac = System.getProperty("os.name").toLowerCase().contains("mac");
if (isMac) {
glslVersion = "#version 150";
GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MAJOR, 3);
GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MINOR, 2);
GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_PROFILE, GLFW.GLFW_OPENGL_CORE_PROFILE); // 3.2+ only
GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_FORWARD_COMPAT, GLFW.GLFW_TRUE); // Required on Mac
} else {
glslVersion = "#version 130";
GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MAJOR, 3);
GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MINOR, 0);
}
}
/**
* Method to initialize Dear ImGui context. Could be overridden to do custom Dear ImGui setup before application start.
*/
protected void initImGui() {
ImGui.createContext();
ImGuiIO io = ImGui.getIO();
io.addConfigFlags(ImGuiConfigFlags.ViewportsEnable);
//io.setConfigViewportsNoDecoration(false);
io.setConfigViewportsNoAutoMerge(true);
}
/**
* Main application loop.
*/
protected void run() {
while (!GLFW.glfwWindowShouldClose(handle)) {
runFrame();
}
}
/**
* Method used to run the next frame.
*/
protected void runFrame() {
startFrame();
process();
endFrame();
}
public void process() {
if (GLaunch.WINDOWS.isEmpty()) close();
else {
for (Window window : GLaunch.WINDOWS.toArray(new Window[0])) {
if (window.isNew()) window.preFirstDraw();
ImGui.begin(window.getName());
window.draw();
ImGui.end();
}
}
}
/**
* Method used to clear the OpenGL buffer.
*/
private void clearBuffer() {
GL32.glClear(GL32.GL_COLOR_BUFFER_BIT | GL32.GL_DEPTH_BUFFER_BIT);
}
/**
* Method called at the beginning of the main cycle.
* It clears OpenGL buffer and starts an ImGui frame.
*/
protected void startFrame() {
clearBuffer();
imGuiGlfw.newFrame();
ImGui.newFrame();
}
/**
* Method called in the end of the main cycle.
* It renders ImGui and swaps GLFW buffers to show an updated frame.
*/
protected void endFrame() {
ImGui.render();
imGuiGl3.renderDrawData(ImGui.getDrawData());
if (ImGui.getIO().hasConfigFlags(ImGuiConfigFlags.ViewportsEnable)) {
final long backupWindowPtr = GLFW.glfwGetCurrentContext();
ImGui.updatePlatformWindows();
ImGui.renderPlatformWindowsDefault();
GLFW.glfwMakeContextCurrent(backupWindowPtr);
}
renderBuffer();
}
/**
* Method to render the OpenGL buffer and poll window events.
*/
private void renderBuffer() {
GLFW.glfwSwapBuffers(handle);
GLFW.glfwPollEvents();
}
/**
* Method to destroy Dear ImGui context.
*/
protected void disposeImGui() {
ImGui.destroyContext();
}
/**
* Method to destroy GLFW window.
*/
protected void disposeWindow() {
Callbacks.glfwFreeCallbacks(handle);
GLFW.glfwDestroyWindow(handle);
GLFW.glfwTerminate();
Objects.requireNonNull(GLFW.glfwSetErrorCallback(null)).free();
}
public void close() {
GLFW.glfwSetWindowShouldClose(handle, true);
}
}

30
src/main/java/io/gitlab/jfronny/glaunch/Window.java Normal file
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package io.gitlab.jfronny.glaunch;
public abstract class Window {
private final String name;
private boolean isNew = true;
public Window(String name) {
this.name = name;
}
public void preFirstDraw() {
}
public abstract void draw();
public String getName() {
return name;
}
public void close() {
GLaunch.WINDOWS.remove(this);
}
public boolean isNew() {
if (isNew) {
isNew = false;
return true;
}
return false;
}
}

57
src/main/java/io/gitlab/jfronny/glaunch/gson/MinecraftArgumentDeserializer.java Normal file
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package io.gitlab.jfronny.glaunch.gson;
import com.google.gson.*;
import io.gitlab.jfronny.glaunch.model.MinecraftArgument;
import io.gitlab.jfronny.glaunch.model.Rules;
import io.gitlab.jfronny.glaunch.util.Utils;
import java.lang.reflect.Type;
import java.util.LinkedHashSet;
import java.util.Set;
public class MinecraftArgumentDeserializer implements JsonDeserializer<MinecraftArgument> {
@Override
public MinecraftArgument deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
if (json.isJsonPrimitive() && json.getAsJsonPrimitive().isString()) {
return new MinecraftArgument(Set.of(json.getAsString()));
}
else if (json.isJsonObject()) {
JsonObject jo = json.getAsJsonObject();
if (jo.size() != 2 || !jo.has("rules") || !jo.has("value"))
throw new JsonParseException("Not a valid minecraft argument");
/*boolean valid = true;
for (JsonElement rule : jo.get("rules").getAsJsonArray()) {
JsonObject ro = rule.getAsJsonObject();
if (!ro.get("action").getAsJsonPrimitive().getAsString().equals("allow"))
throw new JsonParseException("Unexpected action in argument");
if (ro.has("features")) { //TODO support has_custom_resolution
valid = false;
continue;
}
if (ro.has("os")) {
JsonObject osObject = ro.get("os").getAsJsonObject();
if (osObject.has("name")) {
if (!Utils.getOs().equals(osObject.get("name").getAsString())) {
valid = false;
break;
}
}
if (osObject.has("version")) {
if (!System.getProperty("os.version").matches(osObject.get("version").getAsString())) {
valid = false;
break;
}
}
}
}*/
Rules r = context.deserialize(jo.get("rules"), Rules.class);
if (!r.allow()) return new MinecraftArgument(Set.of());
Set<String> sel = new LinkedHashSet<>();
for (JsonElement value : jo.get("value").getAsJsonArray()) {
sel.add(value.getAsString());
}
return new MinecraftArgument(Set.copyOf(sel));
}
else throw new JsonParseException("Not a valid minecraft argument");
}
}

39
src/main/java/io/gitlab/jfronny/glaunch/gson/RulesDeserializer.java Normal file
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package io.gitlab.jfronny.glaunch.gson;
import com.google.gson.*;
import io.gitlab.jfronny.glaunch.model.Rules;
import io.gitlab.jfronny.glaunch.util.Utils;
import java.lang.reflect.Type;
public class RulesDeserializer implements JsonDeserializer<Rules> {
@Override
public Rules deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
boolean valid = true;
for (JsonElement rule : json.getAsJsonArray()) {
JsonObject ro = rule.getAsJsonObject();
if (!ro.get("action").getAsJsonPrimitive().getAsString().equals("allow"))
throw new JsonParseException("Unexpected action in argument");
if (ro.has("features")) { //TODO support has_custom_resolution
valid = false;
continue;
}
if (ro.has("os")) {
JsonObject osObject = ro.get("os").getAsJsonObject();
if (osObject.has("name")) {
if (!Utils.getOs().equals(osObject.get("name").getAsString())) {
valid = false;
break;
}
}
if (osObject.has("version")) {
if (!System.getProperty("os.version").matches(osObject.get("version").getAsString())) {
valid = false;
break;
}
}
}
}
return new Rules(valid);
}
}

37
src/main/java/io/gitlab/jfronny/glaunch/install/SetupStepInfo.java Normal file
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package io.gitlab.jfronny.glaunch.install;
import io.gitlab.jfronny.glaunch.model.VersionInfo;
import io.gitlab.jfronny.glaunch.windows.NewInstanceWindow;
public final class SetupStepInfo {
private final VersionInfo version;
private final NewInstanceWindow.LoaderType loaderType;
private final String name;
private String classpath;
public SetupStepInfo(VersionInfo version, NewInstanceWindow.LoaderType loaderType, String name) {
this.version = version;
this.loaderType = loaderType;
this.name = name;
}
public VersionInfo getVersion() {
return version;
}
public NewInstanceWindow.LoaderType getLoaderType() {
return loaderType;
}
public String getName() {
return name;
}
public void setClasspath(String classpath) {
this.classpath = classpath;
}
public String getClasspath() {
return classpath;
}
}

9
src/main/java/io/gitlab/jfronny/glaunch/install/Step.java Normal file
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package io.gitlab.jfronny.glaunch.install;
import io.gitlab.jfronny.glaunch.model.VersionInfo;
import java.io.IOException;
public interface Step {
void execute(SetupStepInfo info) throws IOException;
}

15
src/main/java/io/gitlab/jfronny/glaunch/install/Steps.java Normal file
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package io.gitlab.jfronny.glaunch.install;
import io.gitlab.jfronny.glaunch.install.steps.*;
import java.util.Set;
public class Steps {
public static Set<Step> STEPS = Set.of(
new SetupDirsStep(),
new DownloadClientStep(),
new DownloadAssetsStep(),
new DownloadLibrariesStep(),
new WriteMetadataStep()
);
}

25
src/main/java/io/gitlab/jfronny/glaunch/install/steps/DownloadAssetsStep.java Normal file
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package io.gitlab.jfronny.glaunch.install.steps;
import io.gitlab.jfronny.glaunch.GLaunch;
import io.gitlab.jfronny.glaunch.install.SetupStepInfo;
import io.gitlab.jfronny.glaunch.install.Step;
import io.gitlab.jfronny.glaunch.model.AssetIndex;
import io.gitlab.jfronny.glaunch.util.mojang.McApi;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Map;
public class DownloadAssetsStep implements Step {
@Override
public void execute(SetupStepInfo info) throws IOException {
//TODO feedback
Path o = GLaunch.ASSETS_DIR.resolve("objects");
for (Map.Entry<String, AssetIndex.Asset> entry : McApi.getAssetIndex(info.getVersion()).objects.entrySet()) {
Path fPath = o.resolve(entry.getValue().hash.substring(0, 2));
if (!Files.exists(fPath)) Files.createDirectories(fPath);
McApi.downloadAsset(entry.getValue(), fPath.resolve(entry.getValue().hash));
}
}
}

17
src/main/java/io/gitlab/jfronny/glaunch/install/steps/DownloadClientStep.java Normal file
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package io.gitlab.jfronny.glaunch.install.steps;
import io.gitlab.jfronny.glaunch.GLaunch;
import io.gitlab.jfronny.glaunch.install.SetupStepInfo;
import io.gitlab.jfronny.glaunch.install.Step;
import io.gitlab.jfronny.glaunch.model.VersionInfo;
import io.gitlab.jfronny.glaunch.util.Utils;
import java.io.IOException;
public class DownloadClientStep implements Step {
@Override
public void execute(SetupStepInfo info) throws IOException {
VersionInfo.Downloads.Download client = info.getVersion().downloads.client;
Utils.downloadFile(client.url, client.sha1, GLaunch.LIBRARIES_DIR.resolve(info.getVersion().id + ".jar"));
}
}

37
src/main/java/io/gitlab/jfronny/glaunch/install/steps/DownloadLibrariesStep.java Normal file
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package io.gitlab.jfronny.glaunch.install.steps;
import io.gitlab.jfronny.glaunch.GLaunch;
import io.gitlab.jfronny.glaunch.install.SetupStepInfo;
import io.gitlab.jfronny.glaunch.install.Step;
import io.gitlab.jfronny.glaunch.model.Rules;
import io.gitlab.jfronny.glaunch.model.VersionInfo;
import io.gitlab.jfronny.glaunch.util.Utils;
import java.io.IOException;
public class DownloadLibrariesStep implements Step {
@Override
public void execute(SetupStepInfo info) throws IOException {
//TODO info.setClasspath("");
//TODO feedback
mainLoop: for (VersionInfo.Library library : info.getVersion().libraries) {
for (Rules rule : library.rules) {
if (!rule.allow()) continue mainLoop;
}
if (library.classifiers != null) {
downloadLib(switch (Utils.getOs()) {
case "osx" -> library.classifiers.nativesMacos;
case "windows" -> library.classifiers.nativesWindows;
case "linux" -> library.classifiers.nativesLinux;
default -> throw new RuntimeException("Not a valid OS");
});
}
downloadLib(library.artifact);
}
}
private void downloadLib(VersionInfo.Library.Artifact artifact) throws IOException {
//TODO allow maven-like download for fabric
Utils.downloadFile(artifact.url, artifact.sha1, GLaunch.LIBRARIES_DIR.resolve(artifact.path));
}
}

18
src/main/java/io/gitlab/jfronny/glaunch/install/steps/SetupDirsStep.java Normal file
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package io.gitlab.jfronny.glaunch.install.steps;
import io.gitlab.jfronny.glaunch.GLaunch;
import io.gitlab.jfronny.glaunch.install.SetupStepInfo;
import io.gitlab.jfronny.glaunch.install.Step;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
public class SetupDirsStep implements Step {
@Override
public void execute(SetupStepInfo info) throws IOException {
Path iDir = GLaunch.INSTANCE_DIR.resolve(info.getName());
if (!Files.exists(iDir))
Files.createDirectories(iDir);
}
}

21
src/main/java/io/gitlab/jfronny/glaunch/install/steps/WriteMetadataStep.java Normal file
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package io.gitlab.jfronny.glaunch.install.steps;
import io.gitlab.jfronny.glaunch.GLaunch;
import io.gitlab.jfronny.glaunch.install.SetupStepInfo;
import io.gitlab.jfronny.glaunch.install.Step;
import io.gitlab.jfronny.glaunch.model.InstanceMeta;
import io.gitlab.jfronny.glaunch.util.Utils;
import java.io.IOException;
import java.nio.file.Path;
public class WriteMetadataStep implements Step {
@Override
public void execute(SetupStepInfo info) throws IOException {
Path metaDir = GLaunch.INSTANCE_DIR.resolve(info.getName()).resolve("instance.json");
InstanceMeta meta = new InstanceMeta();
meta.loaderType = info.getLoaderType();
meta.version = info.getVersion().id;
Utils.writeObject(metaDir, meta);
}
}

12
src/main/java/io/gitlab/jfronny/glaunch/model/AssetIndex.java Normal file
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package io.gitlab.jfronny.glaunch.model;
import java.util.Map;
public class AssetIndex {
public Map<String, Asset> objects;
public static class Asset {
public String hash;
public int size;
}
}

8
src/main/java/io/gitlab/jfronny/glaunch/model/InstanceMeta.java Normal file
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@ -0,0 +1,8 @@
package io.gitlab.jfronny.glaunch.model;
import io.gitlab.jfronny.glaunch.windows.NewInstanceWindow;
public class InstanceMeta {
public NewInstanceWindow.LoaderType loaderType;
public String version;
}

6
src/main/java/io/gitlab/jfronny/glaunch/model/MinecraftArgument.java Normal file
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package io.gitlab.jfronny.glaunch.model;
import java.util.Set;
public record MinecraftArgument(Set<String> arg) {
}

4
src/main/java/io/gitlab/jfronny/glaunch/model/Rules.java Normal file
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package io.gitlab.jfronny.glaunch.model;
public record Rules(boolean allow) {
}

84
src/main/java/io/gitlab/jfronny/glaunch/model/VersionInfo.java Normal file
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package io.gitlab.jfronny.glaunch.model;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
public class VersionInfo {
public Arguments arguments;
public AssetIndex assetIndex;
public String assets;
public int complianceLevel;
public Downloads downloads;
public String id;
public JavaVersion javaVersion;
public List<Library> libraries;
public String mainClass;
public Integer minimumLauncherVersion;
public String releaseTime;
public String time;
public String type;
public static class Arguments {
public List<MinecraftArgument> game;
public List<MinecraftArgument> jvm;
}
public static class AssetIndex {
public String id;
public String sha1;
public int size;
public int totalSize;
public String url;
}
public static class Downloads {
public Download client;
public Download client_mappings;
public Download server;
public Download server_mappings;
public static class Download {
public String sha1;
public int size;
public String url;
}
}
public static class JavaVersion {
public String component;
public int majorVersion;
}
public static class Library {
public Artifact artifact;
public String name;
public Set<Rules> rules = new LinkedHashSet<>();
public Classifiers classifiers;
public static class Artifact {
public String path;
public String sha1;
public int size;
public String url;
}
public static class Classifiers {
public Artifact javadoc;
public Artifact nativesLinux;
public Artifact nativesMacos;
public Artifact nativesWindows;
public Artifact sources;
}
}
public static class Logging {
public Client client;
public static class Client {
public String argument;
public Library.Artifact file;
public String type;
}
}
}

13
src/main/java/io/gitlab/jfronny/glaunch/model/VersionsList.java Normal file
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package io.gitlab.jfronny.glaunch.model;
import java.util.List;
public class VersionsList {
public Latest latest;
public List<VersionsListInfo> versions;
public static class Latest {
public String release;
public String snapshot;
}
}

11
src/main/java/io/gitlab/jfronny/glaunch/model/VersionsListInfo.java Normal file
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package io.gitlab.jfronny.glaunch.model;
import java.util.Date;
public class VersionsListInfo {
public String id;
public String type;
public String url;
public Date time;
public Date releaseTime;
}

122
src/main/java/io/gitlab/jfronny/glaunch/util/Utils.java Normal file
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package io.gitlab.jfronny.glaunch.util;
import io.gitlab.jfronny.glaunch.GLaunch;
import java.io.*;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Formatter;
import java.util.Locale;
public class Utils {
public static String hash(byte[] data) {
Formatter formatter = new Formatter();
try {
for (byte b : MessageDigest.getInstance("SHA-1").digest(data))
formatter.format("%02x", b);
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException("Could not hash using SHA1", e);
}
return formatter.toString();
}
public static String getOs() {
String os = System.getProperty("os.name", "generic").toLowerCase(Locale.ROOT);
if ((os.contains("mac")) || (os.contains("darwin"))) {
return "osx";
} else if (os.contains("win")) {
return "windows";
} else if (os.contains("nux")) {
return "linux";
} else {
throw new RuntimeException("Unrecognized OS");
}
}
public static byte[] downloadData(String url) throws IOException {
try (InputStream is = new URL(url).openStream()) {
return is.readAllBytes();
}
}
public static byte[] downloadData(String url, String sha1) throws IOException {
byte[] buf = downloadData(url);
if (!Utils.hash(buf).equals(sha1)) throw new IOException("Invalid hash");
return buf;
}
//TODO generify
public static <T> T downloadObject(String url, Class<T> type) throws IOException {
Path cache = GLaunch.CACHE_DIR.resolve(Integer.toString(url.hashCode()));
try {
String download = downloadString(url);
Files.writeString(cache, download);
return GLaunch.GSON.fromJson(download, type);
} catch (IOException e) {
if (Files.exists(cache)) {
GLaunch.LOGGER.info("Using cache for " + url, e);
try (BufferedReader br = Files.newBufferedReader(cache)) {
return GLaunch.GSON.fromJson(br, type);
} catch (IOException ioE) {
throw new IOException("Could not download object and failed loading cache", ioE);
}
} else
throw new IOException("Could not download object and no cache exists", e);
}
}
public static <T> T downloadObject(String url, String sha1, Class<T> type) throws IOException {
Path cache = GLaunch.CACHE_DIR.resolve(Integer.toString(url.hashCode()));
try {
String download = downloadString(url, sha1);
Files.writeString(cache, download);
return GLaunch.GSON.fromJson(download, type);
} catch (IOException e) {
if (Files.exists(cache)) {
GLaunch.LOGGER.info("Using cache for " + url, e);
try (BufferedReader br = Files.newBufferedReader(cache)) {
return GLaunch.GSON.fromJson(br, type);
} catch (IOException ioE) {
throw new IOException("Could not download object and failed loading cache", ioE);
}
} else
throw new IOException("Could not download object and no cache exists", e);
}
}
public static <T> T loadObject(Path file, Class<T> type) throws IOException {
try (BufferedReader br = Files.newBufferedReader(file)) {
return GLaunch.GSON.fromJson(br, type);
}
}
public static <T> void writeObject(Path file, T object) throws IOException {
try (BufferedWriter bw = Files.newBufferedWriter(file)) {
GLaunch.GSON.toJson(object, bw);
}
}
private static String downloadString(String url) throws IOException {
try (InputStream is = new URL(url).openStream();
Reader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr)) {
StringBuilder text = new StringBuilder();
String line;
while ((line = br.readLine()) != null)
text.append('\n').append(line);
return text.substring(1);
}
}
public static String downloadString(String url, String sha1) throws IOException {
return new String(downloadData(url, sha1), StandardCharsets.UTF_8);
}
public static void downloadFile(String url, String sha1, Path path) throws IOException {
Files.write(path, downloadData(url, sha1));
}
}

46
src/main/java/io/gitlab/jfronny/glaunch/util/mojang/McApi.java Normal file
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package io.gitlab.jfronny.glaunch.util.mojang;
import io.gitlab.jfronny.glaunch.GLaunch;
import io.gitlab.jfronny.glaunch.model.AssetIndex;
import io.gitlab.jfronny.glaunch.model.VersionInfo;
import io.gitlab.jfronny.glaunch.model.VersionsList;
import io.gitlab.jfronny.glaunch.model.VersionsListInfo;
import io.gitlab.jfronny.glaunch.util.Utils;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import static io.gitlab.jfronny.glaunch.util.Utils.downloadObject;
public class McApi {
public static VersionsList getVersions() {
try {
return downloadObject("https://launchermeta.mojang.com/mc/game/version_manifest.json", VersionsList.class);
} catch (IOException e) {
throw new RuntimeException("Could not load version manifest", e);
}
}
public static VersionInfo getVersionInfo(VersionsListInfo listInfo) throws IOException {
return downloadObject(listInfo.url, VersionInfo.class);
}
public static AssetIndex getAssetIndex(VersionInfo info) throws IOException {
Path file = GLaunch.ASSETS_DIR.resolve("indexes");
if (!Files.exists(file)) Files.createDirectories(file);
file = file.resolve(Path.of(info.assetIndex.url).getFileName());
try {
Utils.downloadFile(info.assetIndex.url, info.assetIndex.sha1, file);
}
catch (IOException e) {
if (!Files.exists(file)) throw e;
}
return Utils.loadObject(file, AssetIndex.class);
}
public static void downloadAsset(AssetIndex.Asset asset, Path path) throws IOException {
String url = "http://resources.download.minecraft.net/" + asset.hash.substring(0, 2) + "/" + asset.hash;
Utils.downloadFile(url, asset.hash, path);
}
}

19
src/main/java/io/gitlab/jfronny/glaunch/windows/AlertWindow.java Normal file
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package io.gitlab.jfronny.glaunch.windows;
import imgui.ImGui;
import io.gitlab.jfronny.glaunch.Window;
public class AlertWindow extends Window {
private final String message;
public AlertWindow(String message) {
super("Warning");
this.message = message;
}
@Override
public void draw() {
ImGui.text(message);
if (ImGui.button("OK")) close();
}
}

20
src/main/java/io/gitlab/jfronny/glaunch/windows/MainWindow.java Normal file
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@ -0,0 +1,20 @@
package io.gitlab.jfronny.glaunch.windows;
import imgui.ImGui;
import io.gitlab.jfronny.glaunch.GLaunch;
import io.gitlab.jfronny.glaunch.Window;
public class MainWindow extends Window {
public MainWindow() {
super("GLaunch");
}
@Override
public void draw() {
if (ImGui.button("Close"))
close();
if (ImGui.button("New")) {
GLaunch.open(new NewInstanceWindow());
}
}
}

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src/main/java/io/gitlab/jfronny/glaunch/windows/NewInstanceWindow.java Normal file
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package io.gitlab.jfronny.glaunch.windows;
import imgui.ImGui;
import imgui.type.ImString;
import io.gitlab.jfronny.glaunch.GLaunch;
import io.gitlab.jfronny.glaunch.Window;
import io.gitlab.jfronny.glaunch.install.SetupStepInfo;
import io.gitlab.jfronny.glaunch.install.Step;
import io.gitlab.jfronny.glaunch.install.Steps;
import io.gitlab.jfronny.glaunch.model.VersionsList;
import io.gitlab.jfronny.glaunch.model.VersionsListInfo;
import io.gitlab.jfronny.glaunch.util.mojang.McApi;
import java.io.IOException;
public class NewInstanceWindow extends Window {
VersionsList manifest = McApi.getVersions();
VersionsListInfo selected = null;
LoaderType loaderType = null;
State state = State.Version;
String name = "";
public NewInstanceWindow() {
super("New Instance");
}
@Override
public void preFirstDraw() {
ImGui.setNextWindowSize(200, 800);
}
@Override
public void draw() {
if (ImGui.button("Cancel")) close();
switch (state) {
case Version -> {
ImGui.text("Select a version");
GLaunch.CONFIG.snapshots = ImGui.checkbox("Show snapshots", GLaunch.CONFIG.snapshots);
if (ImGui.checkbox("Ae", true)) { //TODO fix
GLaunch.LOGGER.info("Ao");
}
for (VersionsListInfo version : manifest.versions) {
if (!version.type.equals("release") && !GLaunch.CONFIG.snapshots) continue;
if (ImGui.button(version.id)) {
selected = version;
state = State.Loader;
break;
}
}
}
case Loader -> {
ImGui.text("Select a mod loader"); //TODO implement fabric support
for (LoaderType value : LoaderType.values()) {
if (ImGui.button(value.name())) {
state = State.Name;
}
}
}
case Name -> {
ImString is = new ImString(name);
ImGui.text("Select a name");
ImGui.inputText("", is);
name = is.get();
if (ImGui.button("OK"))
state = State.Installing;
}
case Installing -> {
ImGui.text("Installing...");
try {
SetupStepInfo stepInfo = new SetupStepInfo(McApi.getVersionInfo(selected), loaderType, name);
for (Step step : Steps.STEPS) {
step.execute(stepInfo);
}
} catch (IOException e) {
GLaunch.LOGGER.error("Could not initialize instance", e);
GLaunch.open(new AlertWindow("Could not initialize instance, look at the log for details"));
close();
}
}
}
}
enum State {
Version,
Loader,
Name,
Installing
}
public enum LoaderType {
None,
Fabric
}
}

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<?xml version="1.0" encoding="UTF-8"?>
<Configuration xmlns="http://logging.apache.org/log4j/2.0/config">
<Properties>
<Property name="basePath">../Log4j2Example/logs</Property>
</Properties>
<Appenders>
<Console name="STDOUT" target="SYSTEM_OUT">
<PatternLayout pattern="%-5p | %d{yyyy-MM-dd HH:mm:ss} | [%t] %C{2} (%F:%L) - %m%n" />
</Console>
</Appenders>
<Loggers>
<Logger name="com.jcg" level="debug" />
<Root level="info">
<AppenderRef ref="STDOUT" />
<AppenderRef ref="FILE" />
</Root>
</Loggers>
</Configuration>