#!/bin/sh

# Git repo: https://git.a2s.su/iiiypuk/minecraft-launcher

# include colors library
source ./colors.sh

# Setting terminal emulator title
echo -ne "\033]30;Minecraft Launcher\007"
clear

# Launcher title
echo -e "${BRIGHT_GREEN_B}Minecraft Launcher by ${BRIGHT_RED_B}iiiypuk${NC}"
echo -e "${BRIGHT_YELLOW_B}=============================${NC}"

# Set username
read -p "$(echo -e ${BRIGHT_CYAN_B}What username would you like?${NC}) " player
if [ ! $player ]; then
    player="Steve"
fi
echo ''

# A minecraft root directory
MC_DIR=$HOME/.minecraft

# Are stored here...
# saves/, resourcepacks/ and screenshots/ dirs
# and options.txt and servers.dat files
GAME_DIR=$MC_DIR/userdata

# Libraries and resource dir (requires no changes)
ASSETS_DIR=$MC_DIR/assets
ASSETS_INDEX=12

# Version minecraft (from versions/ dir)
GAME_VERSION=1.20.4

# Get archive from natives/ dir
NATIVES_DIR=$MC_DIR/bin/$GAME_VERSION

# *.jar paths from version.json
LIBRARIES_LIST="\
$MC_DIR/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar:\
$MC_DIR/libraries/com/google/code/gson/gson/2.10.1/gson-2.10.1.jar:\
$MC_DIR/libraries/com/google/guava/failureaccess/1.0.1/failureaccess-1.0.1.jar:\
$MC_DIR/libraries/com/google/guava/guava/32.1.2-jre/guava-32.1.2-jre.jar:\
$MC_DIR/libraries/com/ibm/icu/icu4j/73.2/icu4j-73.2.jar:\
$MC_DIR/libraries/com/mojang/authlib/6.0.52/authlib-6.0.52.jar:\
$MC_DIR/libraries/com/mojang/blocklist/1.0.10/blocklist-1.0.10.jar:\
$MC_DIR/libraries/com/mojang/brigadier/1.2.9/brigadier-1.2.9.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/1.16.0/commons-codec-1.16.0.jar:\
$MC_DIR/libraries/commons-io/commons-io/2.13.0/commons-io-2.13.0.jar:\
$MC_DIR/libraries/commons-logging/commons-logging/1.2/commons-logging-1.2.jar:\
$MC_DIR/libraries/io/netty/netty-buffer/4.1.97.Final/netty-buffer-4.1.97.Final.jar:\
$MC_DIR/libraries/io/netty/netty-codec/4.1.97.Final/netty-codec-4.1.97.Final.jar:\
$MC_DIR/libraries/io/netty/netty-common/4.1.97.Final/netty-common-4.1.97.Final.jar:\
$MC_DIR/libraries/io/netty/netty-handler/4.1.97.Final/netty-handler-4.1.97.Final.jar:\
$MC_DIR/libraries/io/netty/netty-resolver/4.1.97.Final/netty-resolver-4.1.97.Final.jar:\
$MC_DIR/libraries/io/netty/netty-transport-classes-epoll/4.1.97.Final/netty-transport-classes-epoll-4.1.97.Final.jar:\
$MC_DIR/libraries/io/netty/netty-transport-native-epoll/4.1.97.Final/netty-transport-native-epoll-4.1.97.Final-linux-aarch_64.jar:\
$MC_DIR/libraries/io/netty/netty-transport-native-epoll/4.1.97.Final/netty-transport-native-epoll-4.1.97.Final-linux-x86_64.jar:\
$MC_DIR/libraries/io/netty/netty-transport-native-unix-common/4.1.97.Final/netty-transport-native-unix-common-4.1.97.Final.jar:\
$MC_DIR/libraries/io/netty/netty-transport/4.1.97.Final/netty-transport-4.1.97.Final.jar:\
$MC_DIR/libraries/it/unimi/dsi/fastutil/8.5.12/fastutil-8.5.12.jar:\
$MC_DIR/libraries/net/java/dev/jna/jna-platform/5.13.0/jna-platform-5.13.0.jar:\
$MC_DIR/libraries/net/java/dev/jna/jna/5.13.0/jna-5.13.0.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/1.22/commons-compress-1.22.jar:\
$MC_DIR/libraries/org/apache/commons/commons-lang3/3.13.0/commons-lang3-3.13.0.jar:\
$MC_DIR/libraries/org/apache/httpcomponents/httpclient/4.5.13/httpclient-4.5.13.jar:\
$MC_DIR/libraries/org/apache/httpcomponents/httpcore/4.4.16/httpcore-4.4.16.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/3.3.2/lwjgl-glfw-3.3.2.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl-glfw/3.3.2/lwjgl-glfw-3.3.2-natives-linux.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl-jemalloc/3.3.2/lwjgl-jemalloc-3.3.2.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl-jemalloc/3.3.2/lwjgl-jemalloc-3.3.2-natives-linux.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl-openal/3.3.2/lwjgl-openal-3.3.2.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl-openal/3.3.2/lwjgl-openal-3.3.2-natives-linux.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl-opengl/3.3.2/lwjgl-opengl-3.3.2.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl-opengl/3.3.2/lwjgl-opengl-3.3.2-natives-linux.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl-stb/3.3.2/lwjgl-stb-3.3.2.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl-stb/3.3.2/lwjgl-stb-3.3.2-natives-linux.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl-tinyfd/3.3.2/lwjgl-tinyfd-3.3.2.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl-tinyfd/3.3.2/lwjgl-tinyfd-3.3.2-natives-linux.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl/3.3.2/lwjgl-3.3.2.jar:\
$MC_DIR/libraries/org/lwjgl/lwjgl/3.3.2/lwjgl-3.3.2-natives-linux.jar:\
$MC_DIR/libraries/org/slf4j/slf4j-api/2.0.7/slf4j-api-2.0.7.jar:\
$MC_DIR/versions/$GAME_VERSION/$GAME_VERSION.jar"

# Player nickname (the over head)
PLAYER_NAME=$player

# Game window resolution
WINDOW_W=800
WINDOW_H=640

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

# Change directory
cd $MC_DIR

# Prepare game directory
mkdir -p $MC_DIR/userdata

# Running minecraft
$MC_DIR/runtime/java-runtime-gamma/linux/java-runtime-gamma/bin/java \
$JVM_RAM $JVM_ARGS \
-cp $LIBRARIES_LIST \
-Djava.library.path=$NATIVES_DIR \
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