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#!/bin/sh
# Kill it! Kill it with fire!
pkill -KILL clover-mcp
HOME=/etc/libretro
corename=$1
core=$HOME/core/$1_libretro.so
rom=$2
filename=$(basename "$rom")
id=${filename%.*}
extension="${filename##*.}"
autosave="/var/cache/$id.state.auto"
rsram="/var/cache/$id.srm"
rsav="/var/cache/$id.sav"
t_suffix=_time.txt
shift 2
crt=0
allow_crt=0
while [ $# -gt 0 ]; do
[ "$1" == "--load-state-file" ] && load=$2
[ "$1" == "--save-on-quit" ] && save=$2
[ "$1" == "--rollback-input-dir" ] && load=$2/savestate
[ "$1" == "--rollback-output-dir" ] && save=$2/savestate
[ "$1" == "--save-screenshot-on-quit" ] && screenshot=$2
[ "$1" == "--save-data-backing-file" ] && sram=$2
[ "$1" == "--graphic-filter" ] && filter=$2
[ "$1" == "--enable-crt-scanlines" ] && crt=1
[ "$1" == "--video-mode" ] && [ "$2" == "crt-filter" ] && filter=crt720
[ "$1" == "--video-mode" ] && [ "$2" == "keep-aspect-ratio" ] && filter=gpu720
[ "$1" == "--video-mode" ] && [ "$2" == "pixel-perfect" ] && filter=ppu
[ "$1" == "--ra-allow-crt" ] && allow_crt=1
[ "$1" == "--ra-extra" ] && extra=$2
[ "$1" == "--ra-nosaves" ] && nosaves=1
[ "$1" == "--save-time-path" ] && timefile=$2
shift
done
[ -z "$timefile" ] && timefile=$load$t_suffix
# saves if any
rm -f /var/cache/*.state /var/cache/*.auto /var/cache/*.srm /var/cache/*.sav
if [ ! -z "$load" ] && [ -f "$load" ] && [ -z "$nosaves" ]; then
if [ $(hexdump -n 2 -e '1/1 "%02X"' "$load") == "1F8B" ]; then
cp -f "$load" "$autosave.gz"
gunzip -f "$autosave.gz"
else
cp -f "$load" "$autosave"
fi
fi
# Nestopia names FDS saves as $id.sav, so here's a quick fix
if [ "$corename" == "nestopia" ] && [ "$extension" == "fds" ]; then
[ ! -z "$sram" ] && [ -f "$sram" ] && cp -f "$sram" "$rsav"
else
[ ! -z "$sram" ] && [ -f "$sram" ] && cp -f "$sram" "$rsram"
fi
# core provided ratio for CRT mode
[ "$filter" == "crt720" ] && ratio=21 && smooth=false && crt=1
# core provided ratio for 4:3 mode
[ "$filter" == "gpu720" ] && ratio=21 && smooth=false
# pixel perfect - 1:1 for pixel perfect mode
[ "$filter" == "ppu" ] && ratio=20 && smooth=false
# Allow scanlines only for simple systems
[ "$allow_crt" == "1" ] || crt=0
# Set aspect ratio in config only if current ratio is 20 (1:1 PAR) or 21 (core provided)
current_ratio=$(cat /etc/libretro/retroarch.cfg | grep "aspect_ratio_index" | sed 's/[^0-9]*//g')
if [ -z "$ratio" ] || [ "$current_ratio" == "21" ] || [ "$current_ratio" == "20" ]; then
sed -i -e 's/aspect_ratio_index = "[^"]*"/aspect_ratio_index = "'$ratio'"/g' /etc/libretro/retroarch.cfg
fi
# enable shader scanlines if need
if [ "$crt" == "1" ]; then
sed -i -e 's/video_shader = "[^"]*"/video_shader = "~\/shaders\/retroarch\.glslp"/g' /etc/libretro/retroarch.cfg
rsync -a -c /etc/libretro/shaders/scanline.glslp /etc/libretro/shaders/retroarch.glslp
else
sed -i -e 's/video_shader = "[^"]*"/video_shader = ""/g' /etc/libretro/retroarch.cfg
fi
# Start timestamp
ts=$(date +"%s")
tm=0
[ -f "$timefile" ] && tm=$(cat "$timefile")
retroarch -c "$HOME/retroarch.cfg" -vfL "$core" "$rom" $extra &
rpid=$!
# We need last two files
for i in $(ls /dev/input/event?) ;do
power_file=$reset_file
reset_file=$i
done
dd if=$power_file of=/dev/null count=1 2> /dev/null &
power_pid=$!
dd if=$reset_file of=/dev/null count=1 2> /dev/null &
reset_pid=$!
sleep 2
rm -f /var/cache/*.state /var/cache/*.auto /var/cache/*.srm /var/cache/*.sav
# Playing games until reset pressed
while [ true ]; do
kill -0 $rpid 2> /dev/null || break
kill -0 $reset_pid 2> /dev/null || break
kill -0 $power_pid 2> /dev/null || break
done
kill $rpid 2> /dev/null
kill -KILL $reset_pid 2> /dev/null
kill -KILL $power_pid 2> /dev/null
[ ! -z "$save" ] && mkdir -p $(dirname "$save")
[ ! -z "$sram" ] && mkdir -p $(dirname "$sram")
[ ! -z "$screenshot" ] && mkdir -p $(dirname "$screenshot")
# Screenshot! It's not so fast...
[ -z "$screenshot" ] || [ -z "$nosaves" ] && fbgrab -z 0 "$screenshot"
# Saves!
[ ! -z "$save" ] && [ -f "$autosave" ] && [ -z "$nosaves" ] && gzip -f "$autosave" && mv -f "$autosave.gz" "$save"
if [ "$corename" == "nestopia" ] && [ "$extension" == "fds" ]; then
[ ! -z "$sram" ] && [ -f "$rsav" ] && mv -f "$rsav" "$sram"
else
[ ! -z "$sram" ] && [ -f "$rsram" ] && mv -f "$rsram" "$sram"
fi
# Time
ts2=$(date +"%s")
tm=$((tm + ts2 - ts))
echo $tm > "$timefile"
# Back to the shell
/etc/init.d/S81clover-mcp start
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