build

#!/bin/bash

printf "\n ---- ZDBuild ----\n"
printf "       by Gustavo6046\n"
printf "       under The MIT License\n"
printf "       at rehermann6046@gmail.com\n"
printf "\n\n==========================\n"

POSITIONAL=
FOLDER="Built"
SCPORT="gzdoom"
CVAR=""
IWAD=""
EXTRA=""
SPFILES=""
MAP=""
LZMA=0
PLATFORM=$(uname -s | head -c 5)
RUN=0

REALPATH_CMD="realpath"
# check if we are on macos
if [ "$PLATFORM" == "Darwi" ]; then
    REALPATH_CMD="grealpath"
    # check if grealpath exists
    if ! command -v grealpath &> /dev/null; then
        echo "grealpath not found, please install coreutils using 'brew install coreutils' and try again."
        exit 1
    fi
fi

while [[ $# -gt 0 ]]; do
    key="$1"

    case $key in
        -h|--help)
        echo
        echo Syntax:
        echo
        echo
        echo "  ./build [-f|--folder <output folder : out>] [-s|--sourceport <path to source port : gzdoom>] [-i|--iwad <path to the mod's IWAD>] [-a|--file|--add <additional PWAD> [-a|--file|--add ...]] [-c|--cvar <additional cvar>=<value> [c|--cvar ...]] [-e|--extra <source port option>=<value> [...]] [-r|--run]"
        echo
        echo For example:
        echo
        echo "    ./build -f out -s gzdoom -i /usr/games/doom/doom2.wad -c zb_debug=1 -e \"-nomonsters\" -e \"-skill=1\" -e \"+map=MAP18\""
        echo
        exit 0
        ;;
        # LZMA was removed.
        -f|--folder)
        FOLDER="$2"
        shift # past argument
        shift # past value
        ;;
        -r|--run)
        RUN=1
        shift
        ;;
        -s|--sourceport)
        SCPORT="$2"
        shift # past argument
        shift # past value
        ;;
        -i|--iwad)
        IWAD="$2"
        shift # past argument
        shift # past value
        ;;
        -a|--file|--add)
        SPFILES="$SPFILES;$2"
        shift
        shift
        ;;
        -m|--map)
        MAP=$2
        shift
        shift
        ;;
        -c|--cvar)
        if [ -z "$CVAR" ]; then
            CVAR="$2"
        
        else
            CVAR="$CVAR $2"
            
        fi
        shift # past argument
        shift # past value
        ;;
        -e|--extra) # extra source port arguments
        if [ -z "$EXTRA" ]; then
            EXTRA="$2"
        
        else
            EXTRA="$EXTRA $2"
            
        fi
        
        shift # past argument
        shift # past value
        ;;
        *)    # unknown option
        POSITIONAL+=("$1") # save it in an array for later
        shift # past argument
        ;;
    esac
done


set -- "${POSITIONAL[@]}" # restore positional parameters

BUILDDIR=""

function ADDFILE {
    if [ $# -eq 1 ]; then
        if [ -n "$BUILDDIR" ]; then
            f="$($REALPATH_CMD --relative-to="./$BUILDDIR" "./${BUILDDIR}/${1}")"
        
        else
            f="$($REALPATH_CMD --relative-to="." "./${1}")"
        
        fi
        
        #FILES+=( "$f" )
        printf "%s\n" "$f" >>.FILES.txt
        printf "+ %s\n" "$f"

    else
        echo "[WARNING] Invalid call to ADDFILE with ${#} arguments (expected 1)!"
        
    fi
}

function ADDALL {
    if [ -n "$BUILDDIR" ]; then
        d="${BUILDDIR}/${1}"
        
    elif [ $# -eq 1 ]; then
        d=$1

    else
        echo "[WARNING] Invalid call to ADDALL with no build dir and ${#} arguments (expected either 1 argument or a build dir)!"
        d=
    
    fi

    if [ -n "$d" ]; then
        find "$d" -maxdepth 1 -type d | while read -r d; do
            ADDFOLDER "$(echo "$d" | cut -c $((1 + ${#BUILDDIR}))-)"

        done

        find "$d" -maxdepth 1 -type f | while read -r f; do
            ADDFILE "$(echo "$f" | cut -c $((1 + ${#BUILDDIR}))-)"

        done

    fi
}

function ADDFOLDER {
    if [ -n "$BUILDDIR" ]; then
        d="${BUILDDIR}/${1}"
        
    else
        d=$1
    
    fi

    if [ $# -eq 1 ]; then
        find "$d" -type f | while read -r f; do
            ADDFILE "$(echo "$f" | cut -c $((1 + ${#BUILDDIR}))-)"
            
        done
        
    elif [ $# -eq 2 ]; then
        find "$d" -type f -name "$2" | while read -r f; do
            ADDFILE "$(echo "$f" | cut -c $((1 + ${#BUILDDIR}))-)"
            
        done
    
    else
        echo "[WARNING] Invalid call to ADDFOLDER with ${#} arguments (expected 1 or 2)!"
        
    fi
}

# Build compilation
if [ -e "./compile" ]; then
    . ./compile
    
fi

# Pre-configuration
. ./config

NUMFILES=${#FILES[@]}

owd="$(pwd)"

if [ $LZMA -eq 1 ]; then
    PKEXT=7
    
else
    PKEXT=3

fi

out="${owd}/${FOLDER}/${NAME}_v${VERSION}.pk${PKEXT}"
mkdir -p "$FOLDER"

# Create output file
echo Adding "$NUMFILES" files to output \'"${out}"\'.
rm "$out" 2>/dev/null # just to make sure file doesn't exist

if [ -n "$BUILDDIR" ]; then
    cd "$BUILDDIR"
fi

if [ $LZMA -eq 1 ]; then
    echo "${FILES[@]}" | tr " " "\n" | tar cf "$out" --lzma -T - || {
        echo "Error building PK7 output!"
        exit 1
    }
    
else
    if [ "$PLATFORM" == "MINGW" ]; then
        ZIP="./zip.exe"
        
    else
        ZIP="zip"

    fi

    cat "$owd/.FILES.txt" | "$ZIP" -9 "$out" -@ && {
        rm "$owd/.FILES.txt"
    } || {
        echo "Error building PK3 output!"
        rm "$owd/.FILES.txt"
        exit 1
    }
    
fi

# Create launch script
lout="${owd}/${FOLDER}/${NAME}"
echo "#!/bin/bash" >"$lout"
printf "\"${SCPORT}\" -iwad \"${IWAD}\" -file \"./${NAME}_v${VERSION}.pk${PKEXT}\"" >>"$lout"

for cv in $CVAR; do
    printf " +set $(echo "$cv" | awk -F\= '{print $1}') $(echo "$cv" | awk -F\= '{print $2}')" >> "$lout"
    
done

(
    IFS=';'
    
    for spf in $SPFILES; do
        if [ ! "$spf" == "" ]; then
            printf ' -file "' >> "$lout"
            printf "$spf" >> "$lout"
            printf '"' >> "$lout"
            
        fi
    done
)

for eo in $EXTRA; do
    printf " $(echo "$eo" | awk -F\= '{print $1}') $(echo "$eo" | awk -F\= '{print $2}')" >> "$lout"
    
done

if [ ! $MAP == "" ]; then
    printf " +map $MAP" >> "$lout"

fi

cd "$owd" || exit
chmod +x "$lout"

# Post-build
if [ -e "./postbuild" ]; then
    . ./postbuild "$OUT"
    
fi

printf "#"'!'"/bin/bash\ncd \"${FOLDER}\"; \"./${NAME}\"; cd \"${owd}\"\n" >./run
chmod +x run

if [ "$RUN" == "1" ]; then
    echo "Running..."
    ./run && (
        echo "PK${PKEXT} built succesfully: \"$out\""
    ) || (
        echo "Error while running '$out' through $SCPORT!"
    )

else
    echo "PK${PKEXT} built succesfully: $out"

fi