minecraft-launcher/windows/minecraft_vanilla.bat

rem @echo off
title Minecraft Launcher

:: set username
set /p PLAYER=What username would you like? 

:: 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=1.19

:: version minecraft (from versions/ dir)
set GAME_VERSION=1.19.1

:: *.jar paths from version.json
set LIBRARIES_LIST=%MC_DIR%/libraries/com/mojang/logging/1.0.0/logging-1.0.0.jar;%MC_DIR%/libraries/com/mojang/blocklist/1.0.10/blocklist-1.0.10.jar;%MC_DIR%/libraries/com/mojang/patchy/2.2.10/patchy-2.2.10.jar;%MC_DIR%/libraries/com/github/oshi/oshi-core/5.8.5/oshi-core-5.8.5.jar;%MC_DIR%/libraries/net/java/dev/jna/jna/5.10.0/jna-5.10.0.jar;%MC_DIR%/libraries/net/java/dev/jna/jna-platform/5.10.0/jna-platform-5.10.0.jar;%MC_DIR%/libraries/org/slf4j/slf4j-api/1.8.0-beta4/slf4j-api-1.8.0-beta4.jar;%MC_DIR%/libraries/org/apache/logging/log4j/log4j-slf4j18-impl/2.17.0/log4j-slf4j18-impl-2.17.0.jar;%MC_DIR%/libraries/com/ibm/icu/icu4j/70.1/icu4j-70.1.jar;%MC_DIR%/libraries/com/mojang/javabridge/1.2.24/javabridge-1.2.24.jar;%MC_DIR%/libraries/net/sf/jopt-simple/jopt-simple/5.0.4/jopt-simple-5.0.4.jar;%MC_DIR%/libraries/io/netty/netty-common/4.1.77.Final/netty-common-4.1.77.Final.jar;%MC_DIR%/libraries/io/netty/netty-buffer/4.1.77.Final/netty-buffer-4.1.77.Final.jar;%MC_DIR%/libraries/io/netty/netty-codec/4.1.77.Final/netty-codec-4.1.77.Final.jar;%MC_DIR%/libraries/io/netty/netty-handler/4.1.77.Final/netty-handler-4.1.77.Final.jar;%MC_DIR%/libraries/io/netty/netty-resolver/4.1.77.Final/netty-resolver-4.1.77.Final.jar;%MC_DIR%/libraries/io/netty/netty-transport/4.1.77.Final/netty-transport-4.1.77.Final.jar;%MC_DIR%/libraries/io/netty/netty-transport-native-unix-common/4.1.77.Final/netty-transport-native-unix-common-4.1.77.Final.jar;%MC_DIR%/libraries/io/netty/netty-transport-classes-epoll/4.1.77.Final/netty-transport-classes-epoll-4.1.77.Final.jar;%MC_DIR%/libraries/com/google/guava/failureaccess/1.0.1/failureaccess-1.0.1.jar;%MC_DIR%/libraries/com/google/guava/guava/31.0.1-jre/guava-31.0.1-jre.jar;%MC_DIR%/libraries/org/apache/commons/commons-lang3/3.12.0/commons-lang3-3.12.0.jar;%MC_DIR%/libraries/commons-io/commons-io/2.11.0/commons-io-2.11.0.jar;%MC_DIR%/libraries/commons-codec/commons-codec/1.15/commons-codec-1.15.jar;%MC_DIR%/libraries/com/mojang/brigadier/1.0.18/brigadier-1.0.18.jar;%MC_DIR%/libraries/com/mojang/datafixerupper/5.0.28/datafixerupper-5.0.28.jar;%MC_DIR%/libraries/com/google/code/gson/gson/2.8.9/gson-2.8.9.jar;%MC_DIR%/libraries/com/mojang/authlib/3.11.50/authlib-3.11.50.jar;%MC_DIR%/libraries/org/apache/commons/commons-compress/1.21/commons-compress-1.21.jar;%MC_DIR%/libraries/org/apache/httpcomponents/httpclient/4.5.13/httpclient-4.5.13.jar;%MC_DIR%/libraries/commons-logging/commons-logging/1.2/commons-logging-1.2.jar;%MC_DIR%/libraries/org/apache/httpcomponents/httpcore/4.4.14/httpcore-4.4.14.jar;%MC_DIR%/libraries/it/unimi/dsi/fastutil/8.5.6/fastutil-8.5.6.jar;%MC_DIR%/libraries/org/apache/logging/log4j/log4j-api/2.17.0/log4j-api-2.17.0.jar;%MC_DIR%/libraries/org/apache/logging/log4j/log4j-core/2.17.0/log4j-core-2.17.0.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-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-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-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-x86.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-x86.jar;%MC_DIR%/libraries/org/lwjgl/lwjgl-stb/3.3.1/lwjgl-stb-3.3.1.jar;%MC_DIR%/libraries/org/lwjgl/lwjgl-st

:: 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%