@echo off
title Minecraft Launcher

echo Minecraft Launcher by iiiypuk
echo =============================

:: set username
set /p PLAYER=What username would you like? 
IF [%PLAYER%] == [] set PLAYER=Steve

:: main directory of the game
set MC_DIR=%APPDATA%\.minecraft

:: Are stored here...
:: saves/, resourcepacks/ and screenshots/ dirs
:: and options.txt and servers.dat files
set GAME_DIR=%MC_DIR%

:: libraries and resource dir (requires no changes)
set ASSETS_DIR=%MC_DIR%\assets
set ASSETS_INDEX=5

:: version minecraft (from versions/ dir)
set GAME_VERSION=1.20.1

:: *.jar paths from version.json
set LIBRARIES_LIST=^
%MC_DIR%/libraries/com/github/oshi/oshi-core/6.2.2/oshi-core-6.2.2.jar;^
%MC_DIR%/libraries/com/google/code/gson/gson/2.10/gson-2.10.jar;^
%MC_DIR%/libraries/com/google/guava/failureaccess/1.0.1/failureaccess-1.0.1.jar;^
%MC_DIR%/libraries/com/google/guava/guava/31.1-jre/guava-31.1-jre.jar;^
%MC_DIR%/libraries/com/ibm/icu/icu4j/71.1/icu4j-71.1.jar;^
%MC_DIR%/libraries/com/mojang/authlib/4.0.43/authlib-4.0.43.jar;^
%MC_DIR%/libraries/com/mojang/blocklist/1.0.10/blocklist-1.0.10.jar;^
%MC_DIR%/libraries/com/mojang/brigadier/1.1.8/brigadier-1.1.8.jar;^
%MC_DIR%/libraries/com/mojang/datafixerupper/6.0.8/datafixerupper-6.0.8.jar;^
%MC_DIR%/libraries/com/mojang/logging/1.1.1/logging-1.1.1.jar;^
%MC_DIR%/libraries/com/mojang/patchy/2.2.10/patchy-2.2.10.jar;^
%MC_DIR%/libraries/com/mojang/text2speech/1.17.9/text2speech-1.17.9.jar;^
%MC_DIR%/libraries/commons-codec/commons-codec/1.15/commons-codec-1.15.jar;^
%MC_DIR%/libraries/commons-io/commons-io/2.11.0/commons-io-2.11.0.jar;^
%MC_DIR%/libraries/commons-logging/commons-logging/1.2/commons-logging-1.2.jar;^
%MC_DIR%/libraries/io/netty/netty-buffer/4.1.82.Final/netty-buffer-4.1.82.Final.jar;^
%MC_DIR%/libraries/io/netty/netty-codec/4.1.82.Final/netty-codec-4.1.82.Final.jar;^
%MC_DIR%/libraries/io/netty/netty-common/4.1.82.Final/netty-common-4.1.82.Final.jar;^
%MC_DIR%/libraries/io/netty/netty-handler/4.1.82.Final/netty-handler-4.1.82.Final.jar;^
%MC_DIR%/libraries/io/netty/netty-resolver/4.1.82.Final/netty-resolver-4.1.82.Final.jar;^
%MC_DIR%/libraries/io/netty/netty-transport-classes-epoll/4.1.82.Final/netty-transport-classes-epoll-4.1.82.Final.jar;^
%MC_DIR%/libraries/io/netty/netty-transport-native-unix-common/4.1.82.Final/netty-transport-native-unix-common-4.1.82.Final.jar;^
%MC_DIR%/libraries/io/netty/netty-transport/4.1.82.Final/netty-transport-4.1.82.Final.jar;^
%MC_DIR%/libraries/it/unimi/dsi/fastutil/8.5.9/fastutil-8.5.9.jar;^
%MC_DIR%/libraries/net/java/dev/jna/jna-platform/5.12.1/jna-platform-5.12.1.jar;^
%MC_DIR%/libraries/net/java/dev/jna/jna/5.12.1/jna-5.12.1.jar;^
%MC_DIR%/libraries/net/sf/jopt-simple/jopt-simple/5.0.4/jopt-simple-5.0.4.jar;^
%MC_DIR%/libraries/org/apache/commons/commons-compress/1.21/commons-compress-1.21.jar;^
%MC_DIR%/libraries/org/apache/commons/commons-lang3/3.12.0/commons-lang3-3.12.0.jar;^
%MC_DIR%/libraries/org/apache/httpcomponents/httpclient/4.5.13/httpclient-4.5.13.jar;^
%MC_DIR%/libraries/org/apache/httpcomponents/httpcore/4.4.15/httpcore-4.4.15.jar;^
%MC_DIR%/libraries/org/apache/logging/log4j/log4j-api/2.19.0/log4j-api-2.19.0.jar;^
%MC_DIR%/libraries/org/apache/logging/log4j/log4j-core/2.19.0/log4j-core-2.19.0.jar;^
%MC_DIR%/libraries/org/apache/logging/log4j/log4j-slf4j2-impl/2.19.0/log4j-slf4j2-impl-2.19.0.jar;^
%MC_DIR%/libraries/org/joml/joml/1.10.5/joml-1.10.5.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-glfw/3.3.1/lwjgl-glfw-3.3.1.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-glfw/3.3.1/lwjgl-glfw-3.3.1-natives-windows.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-glfw/3.3.1/lwjgl-glfw-3.3.1-natives-windows-arm64.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-glfw/3.3.1/lwjgl-glfw-3.3.1-natives-windows-x86.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-jemalloc/3.3.1/lwjgl-jemalloc-3.3.1.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-jemalloc/3.3.1/lwjgl-jemalloc-3.3.1-natives-windows.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-jemalloc/3.3.1/lwjgl-jemalloc-3.3.1-natives-windows-arm64.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-jemalloc/3.3.1/lwjgl-jemalloc-3.3.1-natives-windows-x86.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-openal/3.3.1/lwjgl-openal-3.3.1.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-openal/3.3.1/lwjgl-openal-3.3.1-natives-windows.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-openal/3.3.1/lwjgl-openal-3.3.1-natives-windows-arm64.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-openal/3.3.1/lwjgl-openal-3.3.1-natives-windows-x86.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-opengl/3.3.1/lwjgl-opengl-3.3.1.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-opengl/3.3.1/lwjgl-opengl-3.3.1-natives-windows.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-opengl/3.3.1/lwjgl-opengl-3.3.1-natives-windows-arm64.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-opengl/3.3.1/lwjgl-opengl-3.3.1-natives-windows-x86.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-stb/3.3.1/lwjgl-stb-3.3.1.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-stb/3.3.1/lwjgl-stb-3.3.1-natives-windows.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-stb/3.3.1/lwjgl-stb-3.3.1-natives-windows-arm64.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-stb/3.3.1/lwjgl-stb-3.3.1-natives-windows-x86.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-tinyfd/3.3.1/lwjgl-tinyfd-3.3.1.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-tinyfd/3.3.1/lwjgl-tinyfd-3.3.1-natives-windows.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-tinyfd/3.3.1/lwjgl-tinyfd-3.3.1-natives-windows-arm64.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl-tinyfd/3.3.1/lwjgl-tinyfd-3.3.1-natives-windows-x86.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl/3.3.1/lwjgl-3.3.1.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl/3.3.1/lwjgl-3.3.1-natives-windows.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl/3.3.1/lwjgl-3.3.1-natives-windows-arm64.jar;^
%MC_DIR%/libraries/org/lwjgl/lwjgl/3.3.1/lwjgl-3.3.1-natives-windows-x86.jar;^
%MC_DIR%/libraries/org/slf4j/slf4j-api/2.0.1/slf4j-api-2.0.1.jar;^
%MC_DIR%/versions/%GAME_VERSION%/%GAME_VERSION%.jar

:: player nickname (the over head)
set PLAYER_NAME=%PLAYER%

:: game window resolution
set WINDOW_W=800
set WINDOW_H=640

:: java machine arguments
set JVM_RAM=-Xmx2G
set JVM_ARGS=-XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M

:: running minecraft
cd /d %MC_DIR%

java.exe %JVM_RAM% %JVM_ARGS% ^
-cp %LIBRARIES_LIST% ^
net.minecraft.client.main.Main ^
--username %PLAYER_NAME% ^
--version %GAME_VERSION% ^
--accessToken 0 --userProperties {} ^
--gameDir %GAME_DIR% ^
--assetsDir %ASSETS_DIR% ^
--assetIndex %ASSETS_INDEX% ^
--width %WINDOW_W% ^
--height %WINDOW_H%