distribution/packages/games/emulators/ecwolf/sources/start_ecwolf.sh

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2021-present Shanti Gilbert (https://github.com/shantigilbert)
# Copyright (C) 2021-present 351ELEC (https://github.com/351ELEC/351ELEC)
. /etc/profile
. /etc/os-release
EE_DEVICE=${HW_DEVICE}
RUN_DIR="/storage/roms/ecwolf"
CONFIG_DIR="/storage/.config/game/ecwolf"
CONFIG_FILE="${CONFIG_DIR}/ecwolf.cfg"
PK3_FILE="${CONFIG_DIR}/ecwolf.pk3"
SAVE_DIR="/storage/roms/gamedata/ecwolf"
LEGACY=true
if [ ! -L "/storage/.config/ecwolf" ]; then
ln -sf "/storage/.config/game/ecwolf" "/storage/.config/ecwolf"
fi
if [ ! -f "/storage/.config/game/ecwolf/ecwolf.cfg" ]; then
cp -rf /usr/config/game/ecwolf/ecwolf.cfg /storage/.config/game/ecwolf/
fi
mkdir -p ${SAVE_DIR}
params=" --config ${CONFIG_FILE} --savedir ${SAVE_DIR}"
# data can be SD2 SD3 SOD WL6 or N3D and it's passed as the ROM
EXT=${1##*.}
# If its a mod (extension .ecwolf) read the file and parse the data
if [ ${EXT} == "ecwolf" ]; then
dos2unix "${1}"
# We don't want to break users that have .ecwolf files that predate the PATH
# option, so we'll track that here so we can handle it by:
# 1. Parsing PK3[_N] keys
# 2. Ignoring MOD and PATH keys
# 3. Running from the config dir
if grep -q "^PATH=" "${1}"; then
LEGACY=false
fi
while IFS== read -r key value; do
if $LEGACY; then
if [ "$key" == "PK3" ]; then
params+=" --file $value"
fi
if [ "$key" == "PK3_1" ]; then
params+=" --file $value"
fi
if [ "$key" == "PK3_2" ]; then
params+=" --file $value"
fi
if [ "$key" == "PK3_3" ]; then
params+=" --file $value"
fi
if [ "$key" == "PK3_4" ]; then
params+=" --file $value"
fi
else
if [ "$key" == "PATH" ]; then
# Unquote path value
temp="${value}"
temp="${temp%\"}"
temp="${temp#\"}"
RUN_DIR+="/$temp"
fi
if [ "$key" == "MOD" ]; then
params+=" --file $value"
fi
fi
if [ "$key" == "DATA" ]; then
params+=" --data $value"
fi
done <"${1}"
else
params+=" --data ${EXT}"
fi
if $LEGACY; then
cd "${CONFIG_DIR}"
echo ${params} | xargs /usr/bin/ecwolf >/var/log/ecwolf.log 2>&1
else
# There doesn't appear to be a way to tell the engine with command line
# arguments where the ecwolf.pk3 is located -- it just looks in the current
# working directory. To work around this, we'll bind the ecwolf.pk3 file that
# ships with the distribution into the provided game path, if one isn't
# already present.
DST_PK3_FILE="${RUN_DIR}/ecwolf.pk3"
if [ ! -e "$DST_PK3_FILE" ]; then
touch "$DST_PK3_FILE"
mount -o ro,bind "$PK3_FILE" "$DST_PK3_FILE" >/dev/null 2>&1
fi
cd "${RUN_DIR}"
echo ${params} | xargs /usr/bin/ecwolf >/var/log/ecwolf.log 2>&1
if mountpoint -q "$DST_PK3_FILE"; then
umount "$DST_PK3_FILE" &>/dev/null
rm "${DST_PK3_FILE}"
fi
fi