realms-mapcrafter-render.sh

#!/bin/bash
#
# Minecraft Realms + Mapcrafter
# Update & render script
#
# Usage:
# realms-mapcrafter-render.sh <WORKING_DIRECTORY> <MOJANG_USERNAME> <MOJANG_PASSWORD> <MINECRAFT_VERSION> <MAPCRAFTER_REPO> <MAPCRAFTER_BRANCH>
#
# Example:
# realms-mapcrafter-render.sh ~/Desktop/working minecraft.user@example.com 4gr347p4$$w0rd 1.15.2 https://github.com/miclav/mapcrafter.git world115
#

if [ "$#" -ne 6 ]; then
    echo "Wrong number of parameters passed"
    echo "Usage:"
    echo "$0 <WORKING_DIRECTORY> <MOJANG_USERNAME> <MOJANG_PASSWORD> <MINECRAFT_VERSION> <MAPCRAFTER_REPO> <MAPCRAFTER_BRANCH>"
    exit
fi

CURRENT_DIRECTORY="$(dirname "$(realpath "$0")")"

WORKING_DIRECTORY="$1"

MOJANG_USERNAME="$2"
MOJANG_PASSWORD="$3"
MINECRAFT_VERSION="$4"

MAPCRAFTER_REPO="$5"
MAPCRAFTER_BRANCH="$6"

#Create working directory
mkdir -p "$WORKING_DIRECTORY"

#Download latest world backup if necessary
"$CURRENT_DIRECTORY/update-realms-world.sh" "$WORKING_DIRECTORY/realms_world" "$MOJANG_USERNAME" "$MOJANG_PASSWORD" $MINECRAFT_VERSION

#Cloning or updating Mapcrafter repo and building if necessary
"$CURRENT_DIRECTORY/update-mapcrafter.sh" "$WORKING_DIRECTORY/mapcrafter" $MAPCRAFTER_REPO $MAPCRAFTER_BRANCH

#Create Mapcrafter configuration file if necessary
"$CURRENT_DIRECTORY/create-mapcrafter-config.sh" "$WORKING_DIRECTORY/mapcrafter.conf" "$WORKING_DIRECTORY/realms_world/world" "$WORKING_DIRECTORY/output"

#Update Mapcrafter textures with specific client version for pre-1.13 versions
RELEASE_PATTERN="^([0-9]\.[0-9]+)[0-9\.]*-?.*$"
SNAPSHOT_PATTERN="^([0-9]+)w([0-9]+)[a-z]$"
DOWNLOAD_TEXTURES=false
if [[ $MINECRAFT_VERSION =~ $RELEASE_PATTERN ]]
then
    VERSION="${BASH_REMATCH[1]}"
    if [ 1 -eq "$(echo "${VERSION} < 1.13" | bc)" ]
    then
        DOWNLOAD_TEXTURES=true
    fi
elif [[ $MINECRAFT_VERSION =~ $SNAPSHOT_PATTERN ]]
then
    VERSION="${BASH_REMATCH[1]}${BASH_REMATCH[2]}"
    #17w43a is the first 1.13 snapshot
    if [ 1 -eq "$(echo "${VERSION} < 1743" | bc)" ]
    then
        DOWNLOAD_TEXTURES=true
    fi
fi

if $DOWNLOAD_TEXTURES
then
    "$CURRENT_DIRECTORY/get-client-textures.sh" "$WORKING_DIRECTORY/clients" "$WORKING_DIRECTORY/mapcrafter/src/tools/mapcrafter_textures.py"    "$WORKING_DIRECTORY/mapcrafter/src/data" $MINECRAFT_VERSION
fi

mkdir -p "$WORKING_DIRECTORY/output"

#Running Mapcrafter
"$WORKING_DIRECTORY/mapcrafter/src/mapcrafter" -c "$WORKING_DIRECTORY/mapcrafter.conf" -j 8