RUN_GAME: moved into its own file + code cleanup + es_variables outsourced [skip ci]

This commit is contained in:
XargonWan 2024-09-12 08:25:07 +09:00
parent ad10c9d535
commit 6b92f8c187
3 changed files with 362 additions and 360 deletions

View file

@ -18,40 +18,43 @@ source /app/libexec/post_update.sh
source /app/libexec/prepare_component.sh
source /app/libexec/presets.sh
source /app/libexec/configurator_functions.sh
source /app/libexec/run_game.sh
# Static variables
rd_conf="/var/config/retrodeck/retrodeck.cfg" # RetroDECK config file path
rd_conf_backup="/var/config/retrodeck/retrodeck.bak" # Backup of RetroDECK config file from update
rd_logs_folder="/var/config/retrodeck/logs" # Static location to write all RetroDECK-related logs
config="/app/retrodeck/config" # folder with all the default emulator configs
rd_conf="/var/config/retrodeck/retrodeck.cfg" # RetroDECK config file path
rd_conf_backup="/var/config/retrodeck/retrodeck.bak" # Backup of RetroDECK config file from update
rd_logs_folder="/var/config/retrodeck/logs" # Static location to write all RetroDECK-related logs
config="/app/retrodeck/config" # folder with all the default emulator configs
rd_defaults="$config/retrodeck/retrodeck.cfg" # A default RetroDECK config file
rd_update_patch="/var/config/retrodeck/rd_update.patch" # A static location for the temporary patch file used during retrodeck.cfg updates
rd_update_patch="/var/config/retrodeck/rd_update.patch" # A static location for the temporary patch file used during retrodeck.cfg updates
bios_checklist="$config/retrodeck/reference_lists/bios_checklist.cfg" # A config file listing BIOS file information that can be verified
input_validation="$config/retrodeck/reference_lists/input_validation.cfg" # A config file listing valid CLI inputs
finit_options_list="$config/retrodeck/reference_lists/finit_options_list.cfg" # A config file listing available optional installs during finit
splashscreen_dir="/var/config/ES-DE/resources/graphics/extra_splashes" # The default location of extra splash screens
current_splash_file="/var/config/ES-DE/resources/graphics/splash.svg" # The active splash file that will be shown on boot
default_splash_file="/var/config/ES-DE/resources/graphics/splash-orig.svg" # The default RetroDECK splash screen
splashscreen_dir="/var/config/ES-DE/resources/graphics/extra_splashes" # The default location of extra splash screens
current_splash_file="/var/config/ES-DE/resources/graphics/splash.svg" # The active splash file that will be shown on boot
default_splash_file="/var/config/ES-DE/resources/graphics/splash-orig.svg" # The default RetroDECK splash screen
# TODO: instead of this maybe we can iterate the features.json
multi_user_emulator_config_dirs="$config/retrodeck/reference_lists/multi_user_emulator_config_dirs.cfg" # A list of emulator config folders that can be safely linked/unlinked entirely in multi-user mode
rd_es_themes="/app/share/es-de/themes" # The directory where themes packaged with RetroDECK are stored
lockfile="/var/config/retrodeck/.lock" # Where the lockfile is located
default_sd="/run/media/mmcblk0p1" # Steam Deck SD default path # A static location for RetroDECK logs to be written
hard_version="$(cat '/app/retrodeck/version')" # hardcoded version (in the readonly filesystem)
rd_repo="https://github.com/RetroDECK/RetroDECK" # The URL of the main RetroDECK GitHub repo
es_themes_list="https://gitlab.com/es-de/themes/themes-list/-/raw/master/themes.json" # The URL of the ES-DE 2.0 themes list
remote_network_target_1="https://flathub.org" # The URL of a common internet target for testing network access
remote_network_target_2="$rd_repo" # The URL of a common internet target for testing network access
remote_network_target_3="https://one.one.one.one" # The URL of a common internet target for testing network access
rd_es_themes="/app/share/es-de/themes" # The directory where themes packaged with RetroDECK are stored
lockfile="/var/config/retrodeck/.lock" # Where the lockfile is located
default_sd="/run/media/mmcblk0p1" # Steam Deck SD default path
hard_version="$(cat '/app/retrodeck/version')" # hardcoded version (in the readonly filesystem)
rd_repo="https://github.com/RetroDECK/RetroDECK" # The URL of the main RetroDECK GitHub repo
es_themes_list="https://gitlab.com/es-de/themes/themes-list/-/raw/master/themes.json" # The URL of the ES-DE 2.0 themes list
remote_network_target_1="https://flathub.org" # The URL of a common internet target for testing network access
remote_network_target_2="$rd_repo" # The URL of a common internet target for testing network access
remote_network_target_3="https://one.one.one.one" # The URL of a common internet target for testing network access
helper_files_folder="$config/retrodeck/helper_files" # The parent folder of RetroDECK documentation files for deployment
rd_appdata="/app/share/appdata/net.retrodeck.retrodeck.appdata.xml" # The shipped appdata XML file for this version
rpcs3_firmware="http://dus01.ps3.update.playstation.net/update/ps3/image/us/2024_0227_3694eb3fb8d9915c112e6ab41a60c69f/PS3UPDAT.PUP"
RA_API_URL="https://retroachievements.org/dorequest.php" # API URL for RetroAchievements.org
rd_appdata="/app/share/appdata/net.retrodeck.retrodeck.appdata.xml" # The shipped appdata XML file for this version
rpcs3_firmware="http://dus01.ps3.update.playstation.net/update/ps3/image/us/2024_0227_3694eb3fb8d9915c112e6ab41a60c69f/PS3UPDAT.PUP" # RPCS3 Firmware download location
RA_API_URL="https://retroachievements.org/dorequest.php" # API URL for RetroAchievements.org
presets_dir="$config/retrodeck/presets" # Repository for all system preset config files
git_organization_name="RetroDECK" # The name of the organization in our git repository such as GitHub
cooker_repository_name="Cooker" # The name of the cooker repository under RetroDECK organization
main_repository_name="RetroDECK" # The name of the main repository under RetroDECK organization
features="$config/retrodeck/reference_lists/features.json" # A file where all the RetroDECK and component capabilities are kept for querying
git_organization_name="RetroDECK" # The name of the organization in our git repository such as GitHub
cooker_repository_name="Cooker" # The name of the cooker repository under RetroDECK organization
main_repository_name="RetroDECK" # The name of the main repository under RetroDECK organization
features="$config/retrodeck/reference_lists/features.json" # A file where all the RetroDECK and component capabilities are kept for querying
es_systems="/app/share/es-de/resources/systems/linux/es_systems.xml" # ES-DE supported system list
es_find_rules="/app/share/es-de/resources/systems/linux/es_find_rules.xml" # ES-DE emulator find rules
# Godot data transfer temp files

View file

@ -890,339 +890,4 @@ start_retrodeck() {
ponzu
log i "Starting RetroDECK v$version"
es-de
}
run_game() {
# Initialize variables
emulator=""
system=""
manual_mode=false
es_systems="/app/share/es-de/resources/systems/linux/es_systems.xml"
# Parse options
while getopts ":e:s:m" opt; do # Use `m` for manual mode flag
case ${opt} in
e )
emulator=$OPTARG
;;
s )
system=$OPTARG
;;
m )
manual_mode=true
log i "Run game: manual mode enabled"
;;
\? )
echo "Usage: $0 --run [-e emulator] [-s system] [-m manual] game"
exit 1
;;
esac
done
shift $((OPTIND -1))
# Check for game argument
if [[ -z "$1" ]]; then
log e "Game path is required."
log i "Usage: $0 start [-e emulator] [-s system] [-m manual] game"
exit 1
fi
game=$1
# If no system is provided, extract it from the game path
if [[ -z "$system" ]]; then
system=$(echo "$game" | grep -oP '(?<=roms/)[^/]+')
fi
log d "Game: \"$game\""
log d "System: \"$system\""
# Try finding the <altemulator> inside the specific game block
altemulator=$(xmllint --recover --xpath "string(//game[path='$game']/altemulator)" "$rdhome/ES-DE/gamelists/$system/gamelist.xml" 2>/dev/null)
if [[ -n "$altemulator" ]]; then
log d "Alternate emulator found in <altemulator>: $altemulator"
emulator_name=$(echo "$altemulator" | sed -e 's/ (Standalone)//') # Strip " (Standalone)" from name
emulator=$(find_emulator "$emulator_name")
if [[ -n "$emulator" ]]; then
log d "Using alternate emulator: $emulator"
else
log e "No valid path found for emulator: $altemulator"
exit 1
fi
else
# Try to fetch <alternativeEmulator> from anywhere in the document
alternative_emulator=$(xmllint --recover --xpath 'string(//alternativeEmulator/label)' "$rdhome/ES-DE/gamelists/$system/gamelist.xml" 2>/dev/null)
if [[ -n "$alternative_emulator" ]]; then
log d "Alternate emulator found in <alternativeEmulator> header: $alternative_emulator"
# Find the emulator name from the label in es_systems.xml
emulator_name=$(find_emulator_name_from_label "$alternative_emulator")
if [[ -n "$emulator_name" ]]; then
# Pass the extracted emulator name to find_emulator function
emulator=$(find_emulator "$emulator_name")
fi
if [[ -n "$emulator" ]]; then
log d "Using alternate emulator from <alternativeEmulator>: $emulator"
else
log e "No valid path found for emulator: $alternative_emulator"
exit 1
fi
else
log i "No alternate emulator found in game block or header, proceeding to auto mode."
fi
fi
# If an emulator is found, substitute placeholders in the command before running
if [[ -n "$emulator" ]]; then
# Ensure command substitution
find_system_commands "$emulator"
# TODO: almost there, we need just to start the emulator without Zenity: maybe we have to edit THAT function to pass the emulator to run
log d "Final command: $command"
eval "$command"
else
log e "No emulator found or selected. Exiting."
return 1
fi
# If the emulator is not specified or manual mode is set, ask the user to select it via Zenity
if [[ -z "$emulator" && "$manual_mode" == true ]]; then
emulator=$(find_system_commands)
fi
# If emulator is still not set, fall back to the first available emulator
if [[ -z "$emulator" ]]; then
emulator=$(get_first_emulator)
fi
}
# Function to extract commands from es_systems.xml and present them in Zenity
find_system_commands() {
local system_name=$system
# Use xmllint to extract the system commands from the XML
system_section=$(xmllint --xpath "//system[name='$system_name']" "$es_systems" 2>/dev/null)
if [ -z "$system_section" ]; then
log e "System not found: $system_name"
exit 1
fi
# Extract commands and labels
commands=$(echo "$system_section" | xmllint --xpath "//command" - 2>/dev/null)
# Prepare Zenity command list
command_list=()
while IFS= read -r line; do
label=$(echo "$line" | sed -n 's/.*label="\([^"]*\)".*/\1/p')
command=$(echo "$line" | sed -n 's/.*<command[^>]*>\(.*\)<\/command>.*/\1/p')
# Substitute placeholders in the command
command=$(substitute_placeholders "$command")
# Add label and command to Zenity list (label first, command second)
command_list+=("$label" "$command")
done <<< "$commands"
# Check if there's only one command
if [ ${#command_list[@]} -eq 2 ]; then
log d "Only one command found for $system_name, running it directly: ${command_list[1]}"
selected_command="${command_list[1]}"
else
# Show the list with Zenity and return the **command** (second column) selected
selected_command=$(zenity --list \
--title="Select an emulator for $system_name" \
--column="Emulator" --column="Hidden Command" "${command_list[@]}" \
--width=800 --height=400 --print-column=2 --hide-column=2)
fi
echo "$selected_command"
}
# Function to substitute placeholders in the command
substitute_placeholders() {
local cmd="$1"
local rom_path="$game"
local rom_dir=$(dirname "$rom_path")
# Strip all file extensions from the base name
local base_name=$(basename "$rom_path")
base_name="${base_name%%.*}"
local file_name=$(basename "$rom_path")
local rom_raw="$rom_path"
local rom_dir_raw="$rom_dir"
local es_path=""
local emulator_path=""
# Manually replace %EMULATOR_*% placeholders
while [[ "$cmd" =~ (%EMULATOR_[A-Z0-9_]+%) ]]; do
placeholder="${BASH_REMATCH[1]}"
emulator_path=$(replace_emulator_placeholder "$placeholder")
cmd="${cmd//$placeholder/$emulator_path}"
done
# Substitute %BASENAME% and other placeholders
cmd="${cmd//"%BASENAME%"/"'$base_name'"}"
cmd="${cmd//"%FILENAME%"/"'$file_name'"}"
cmd="${cmd//"%ROMRAW%"/"'$rom_raw'"}"
cmd="${cmd//"%ROMPATH%"/"'$rom_dir'"}"
# Ensure paths are quoted correctly
cmd="${cmd//"%ROM%"/"'$rom_path'"}"
cmd="${cmd//"%GAMEDIR%"/"'$rom_dir'"}"
cmd="${cmd//"%GAMEDIRRAW%"/"'$rom_dir_raw'"}"
cmd="${cmd//"%CORE_RETROARCH%"/"/var/config/retroarch/cores"}"
log d "Command after %BASENAME% and other substitutions: $cmd"
# Now handle %INJECT% after %BASENAME% has been substituted
cmd=$(handle_inject_placeholder "$cmd")
echo "$cmd"
}
# Function to replace %EMULATOR_SOMETHING% with the actual path of the emulator
replace_emulator_placeholder() {
local placeholder=$1
# Extract emulator name from placeholder without changing case
local emulator_name="${placeholder//"%EMULATOR_"/}" # Extract emulator name after %EMULATOR_
emulator_name="${emulator_name//"%"/}" # Remove the trailing %
# Use the find_emulator function to get the emulator path using the correct casing
local emulator_exec=$(find_emulator "$emulator_name")
if [[ -z "$emulator_exec" ]]; then
log e "Emulator '$emulator_name' not found."
exit 1
fi
echo "$emulator_exec"
}
# Function to handle the %INJECT% placeholder
handle_inject_placeholder() {
local cmd="$1"
local rom_dir=$(dirname "$game") # Get the ROM directory based on the game path
# Find and process all occurrences of %INJECT%='something'.extension
while [[ "$cmd" =~ (%INJECT%=\'([^\']+)\')(.[^ ]+)? ]]; do
inject_file="${BASH_REMATCH[2]}" # Extract the quoted file name
extension="${BASH_REMATCH[3]}" # Extract the extension (if any)
inject_file_full_path="$rom_dir/$inject_file$extension" # Form the full path
log d "Found inject part: %INJECT%='$inject_file'$extension"
# Check if the file exists
if [[ -f "$inject_file_full_path" ]]; then
# Read the content of the file and replace newlines with spaces
inject_content=$(cat "$inject_file_full_path" | tr '\n' ' ')
log i "File \"$inject_file_full_path\" found. Replacing %INJECT% with content."
# Escape special characters in the inject part for the replacement
escaped_inject_part=$(printf '%s' "%INJECT%='$inject_file'$extension" | sed 's/[]\/$*.^[]/\\&/g')
# Replace the entire %INJECT%=...'something'.extension part with the file content
cmd=$(echo "$cmd" | sed "s|$escaped_inject_part|$inject_content|g")
log d "Replaced cmd: $cmd"
else
log e "File \"$inject_file_full_path\" not found. Removing %INJECT% placeholder."
# Use sed to remove the entire %INJECT%=...'something'.extension
escaped_inject_part=$(printf '%s' "%INJECT%='$inject_file'$extension" | sed 's/[]\/$*.^[]/\\&/g')
cmd=$(echo "$cmd" | sed "s|$escaped_inject_part||g")
log d "sedded cmd: $cmd"
fi
done
log d "Returning the command with injected content: $cmd"
echo "$cmd"
}
# Function to get the first available emulator in the list
get_first_emulator() {
local system_name=$system
system_section=$(xmllint --xpath "//system[name='$system_name']" "$es_systems" 2>/dev/null)
if [ -z "$system_section" ]; then
log e "System not found: $system_name"
exit 1
fi
# Extract the first command and use it as the selected emulator
first_command=$(echo "$system_section" | xmllint --xpath "string(//command[1])" - 2>/dev/null)
if [[ -n "$first_command" ]]; then
# Substitute placeholders in the command
first_command=$(substitute_placeholders "$first_command")
log d "Automatically selected the first emulator: $first_command"
echo "$first_command"
else
log e "No command found for the system: $system_name"
return 1
fi
}
find_emulator() {
local emulator_name=$1
local found_path=""
local es_find_rules="/app/share/es-de/resources/systems/linux/es_find_rules.xml"
# Search the es_find_rules.xml file for the emulator
emulator_section=$(xmllint --xpath "//emulator[@name='$emulator_name']" "$es_find_rules" 2>/dev/null)
if [ -z "$emulator_section" ]; then
log e "Emulator not found: $emulator_name"
return 1
fi
# Search systempath entries
while IFS= read -r line; do
command_path=$(echo "$line" | sed -n 's/.*<entry>\(.*\)<\/entry>.*/\1/p')
if [ -x "$(command -v $command_path)" ]; then
found_path=$command_path
break
fi
done <<< "$(echo "$emulator_section" | xmllint --xpath "//rule[@type='systempath']/entry" - 2>/dev/null)"
# If not found, search staticpath entries
if [ -z "$found_path" ]; then
while IFS= read -r line; do
command_path=$(eval echo "$line" | sed -n 's/.*<entry>\(.*\)<\/entry>.*/\1/p')
if [ -x "$command_path" ]; then
found_path=$command_path
break
fi
done <<< "$(echo "$emulator_section" | xmllint --xpath "//rule[@type='staticpath']/entry" - 2>/dev/null)"
fi
if [ -z "$found_path" ]; then
log e "No valid path found for emulator: $emulator_name"
return 1
else
log d "Found emulator: \"$found_path\""
echo "$found_path"
return 0
fi
}
# Function to find the emulator name from the label in es_systems.xml
find_emulator_name_from_label() {
local label="$1"
# Search for the emulator matching the label in the es_systems.xml file
extracted_emulator_name=$(xmllint --recover --xpath "string(//system[name='$system']/command[@label='$label']/text())" "$es_systems" 2>/dev/null | sed 's/%//g' | sed 's/EMULATOR_//g' | cut -d' ' -f1)
if [[ -n "$extracted_emulator_name" ]]; then
log d "Found emulator by label: $extracted_emulator_name"
echo "$extracted_emulator_name"
else
log e "Emulator name not found for label: $label"
return 1
fi
}
}

334
functions/run_game.sh Executable file
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@ -0,0 +1,334 @@
#!/bin/bash
run_game() {
# Initialize variables
emulator=""
system=""
manual_mode=false
# Parse options
while getopts ":e:s:m" opt; do # Use `m` for manual mode flag
case ${opt} in
e )
emulator=$OPTARG
;;
s )
system=$OPTARG
;;
m )
manual_mode=true
log i "Run game: manual mode enabled"
;;
\? )
echo "Usage: $0 --run [-e emulator] [-s system] [-m manual] game"
exit 1
;;
esac
done
shift $((OPTIND -1))
# Check for game argument
if [[ -z "$1" ]]; then
log e "Game path is required."
log i "Usage: $0 start [-e emulator] [-s system] [-m manual] game"
exit 1
fi
game=$1
# If no system is provided, extract it from the game path
if [[ -z "$system" ]]; then
system=$(echo "$game" | grep -oP '(?<=roms/)[^/]+')
fi
log d "Game: \"$game\""
log d "System: \"$system\""
# Try finding the <altemulator> inside the specific game block
altemulator=$(xmllint --recover --xpath "string(//game[path='$game']/altemulator)" "$rdhome/ES-DE/gamelists/$system/gamelist.xml" 2>/dev/null)
if [[ -n "$altemulator" ]]; then
log d "Alternate emulator found in <altemulator>: $altemulator"
emulator_name=$(echo "$altemulator" | sed -e 's/ (Standalone)//') # Strip " (Standalone)" from name
emulator=$(find_emulator "$emulator_name")
if [[ -n "$emulator" ]]; then
log d "Using alternate emulator: $emulator"
else
log e "No valid path found for emulator: $altemulator"
exit 1
fi
else
# Try to fetch <alternativeEmulator> from anywhere in the document
alternative_emulator=$(xmllint --recover --xpath 'string(//alternativeEmulator/label)' "$rdhome/ES-DE/gamelists/$system/gamelist.xml" 2>/dev/null)
if [[ -n "$alternative_emulator" ]]; then
log d "Alternate emulator found in <alternativeEmulator> header: $alternative_emulator"
# Find the emulator name from the label in es_systems.xml
emulator_name=$(find_emulator_name_from_label "$alternative_emulator")
if [[ -n "$emulator_name" ]]; then
# Pass the extracted emulator name to find_emulator function
emulator=$(find_emulator "$emulator_name")
fi
if [[ -n "$emulator" ]]; then
log d "Using alternate emulator from <alternativeEmulator>: $emulator"
else
log e "No valid path found for emulator: $alternative_emulator"
exit 1
fi
else
log i "No alternate emulator found in game block or header, proceeding to auto mode."
fi
fi
# If an emulator is found, substitute placeholders in the command before running
if [[ -n "$emulator" ]]; then
# Ensure command substitution
find_system_commands "$emulator"
# TODO: almost there, we need just to start the emulator without Zenity: maybe we have to edit THAT function to pass the emulator to run
log d "Final command: $command"
eval "$command"
else
log e "No emulator found or selected. Exiting."
return 1
fi
# If the emulator is not specified or manual mode is set, ask the user to select it via Zenity
if [[ -z "$emulator" && "$manual_mode" == true ]]; then
emulator=$(find_system_commands)
fi
# If emulator is still not set, fall back to the first available emulator
if [[ -z "$emulator" ]]; then
emulator=$(get_first_emulator)
fi
}
# Function to extract commands from es_systems.xml and present them in Zenity
find_system_commands() {
local system_name=$system
# Use xmllint to extract the system commands from the XML
system_section=$(xmllint --xpath "//system[name='$system_name']" "$es_systems" 2>/dev/null)
if [ -z "$system_section" ]; then
log e "System not found: $system_name"
exit 1
fi
# Extract commands and labels
commands=$(echo "$system_section" | xmllint --xpath "//command" - 2>/dev/null)
# Prepare Zenity command list
command_list=()
while IFS= read -r line; do
label=$(echo "$line" | sed -n 's/.*label="\([^"]*\)".*/\1/p')
command=$(echo "$line" | sed -n 's/.*<command[^>]*>\(.*\)<\/command>.*/\1/p')
# Substitute placeholders in the command
command=$(substitute_placeholders "$command")
# Add label and command to Zenity list (label first, command second)
command_list+=("$label" "$command")
done <<< "$commands"
# Check if there's only one command
if [ ${#command_list[@]} -eq 2 ]; then
log d "Only one command found for $system_name, running it directly: ${command_list[1]}"
selected_command="${command_list[1]}"
else
# Show the list with Zenity and return the **command** (second column) selected
selected_command=$(zenity --list \
--title="Select an emulator for $system_name" \
--column="Emulator" --column="Hidden Command" "${command_list[@]}" \
--width=800 --height=400 --print-column=2 --hide-column=2)
fi
echo "$selected_command"
}
# Function to substitute placeholders in the command
substitute_placeholders() {
local cmd="$1"
local rom_path="$game"
local rom_dir=$(dirname "$rom_path")
# Strip all file extensions from the base name
local base_name=$(basename "$rom_path")
base_name="${base_name%%.*}"
local file_name=$(basename "$rom_path")
local rom_raw="$rom_path"
local rom_dir_raw="$rom_dir"
local es_path=""
local emulator_path=""
# Manually replace %EMULATOR_*% placeholders
while [[ "$cmd" =~ (%EMULATOR_[A-Z0-9_]+%) ]]; do
placeholder="${BASH_REMATCH[1]}"
emulator_path=$(replace_emulator_placeholder "$placeholder")
cmd="${cmd//$placeholder/$emulator_path}"
done
# Substitute %BASENAME% and other placeholders
cmd="${cmd//"%BASENAME%"/"'$base_name'"}"
cmd="${cmd//"%FILENAME%"/"'$file_name'"}"
cmd="${cmd//"%ROMRAW%"/"'$rom_raw'"}"
cmd="${cmd//"%ROMPATH%"/"'$rom_dir'"}"
# Ensure paths are quoted correctly
cmd="${cmd//"%ROM%"/"'$rom_path'"}"
cmd="${cmd//"%GAMEDIR%"/"'$rom_dir'"}"
cmd="${cmd//"%GAMEDIRRAW%"/"'$rom_dir_raw'"}"
cmd="${cmd//"%CORE_RETROARCH%"/"/var/config/retroarch/cores"}"
log d "Command after %BASENAME% and other substitutions: $cmd"
# Now handle %INJECT% after %BASENAME% has been substituted
cmd=$(handle_inject_placeholder "$cmd")
echo "$cmd"
}
# Function to replace %EMULATOR_SOMETHING% with the actual path of the emulator
replace_emulator_placeholder() {
local placeholder=$1
# Extract emulator name from placeholder without changing case
local emulator_name="${placeholder//"%EMULATOR_"/}" # Extract emulator name after %EMULATOR_
emulator_name="${emulator_name//"%"/}" # Remove the trailing %
# Use the find_emulator function to get the emulator path using the correct casing
local emulator_exec=$(find_emulator "$emulator_name")
if [[ -z "$emulator_exec" ]]; then
log e "Emulator '$emulator_name' not found."
exit 1
fi
echo "$emulator_exec"
}
# Function to handle the %INJECT% placeholder
handle_inject_placeholder() {
local cmd="$1"
local rom_dir=$(dirname "$game") # Get the ROM directory based on the game path
# Find and process all occurrences of %INJECT%='something'.extension
while [[ "$cmd" =~ (%INJECT%=\'([^\']+)\')(.[^ ]+)? ]]; do
inject_file="${BASH_REMATCH[2]}" # Extract the quoted file name
extension="${BASH_REMATCH[3]}" # Extract the extension (if any)
inject_file_full_path="$rom_dir/$inject_file$extension" # Form the full path
log d "Found inject part: %INJECT%='$inject_file'$extension"
# Check if the file exists
if [[ -f "$inject_file_full_path" ]]; then
# Read the content of the file and replace newlines with spaces
inject_content=$(cat "$inject_file_full_path" | tr '\n' ' ')
log i "File \"$inject_file_full_path\" found. Replacing %INJECT% with content."
# Escape special characters in the inject part for the replacement
escaped_inject_part=$(printf '%s' "%INJECT%='$inject_file'$extension" | sed 's/[]\/$*.^[]/\\&/g')
# Replace the entire %INJECT%=...'something'.extension part with the file content
cmd=$(echo "$cmd" | sed "s|$escaped_inject_part|$inject_content|g")
log d "Replaced cmd: $cmd"
else
log e "File \"$inject_file_full_path\" not found. Removing %INJECT% placeholder."
# Use sed to remove the entire %INJECT%=...'something'.extension
escaped_inject_part=$(printf '%s' "%INJECT%='$inject_file'$extension" | sed 's/[]\/$*.^[]/\\&/g')
cmd=$(echo "$cmd" | sed "s|$escaped_inject_part||g")
log d "sedded cmd: $cmd"
fi
done
log d "Returning the command with injected content: $cmd"
echo "$cmd"
}
# Function to get the first available emulator in the list
get_first_emulator() {
local system_name=$system
system_section=$(xmllint --xpath "//system[name='$system_name']" "$es_systems" 2>/dev/null)
if [ -z "$system_section" ]; then
log e "System not found: $system_name"
exit 1
fi
# Extract the first command and use it as the selected emulator
first_command=$(echo "$system_section" | xmllint --xpath "string(//command[1])" - 2>/dev/null)
if [[ -n "$first_command" ]]; then
# Substitute placeholders in the command
first_command=$(substitute_placeholders "$first_command")
log d "Automatically selected the first emulator: $first_command"
echo "$first_command"
else
log e "No command found for the system: $system_name"
return 1
fi
}
find_emulator() {
local emulator_name=$1
local found_path=""
# Search the es_find_rules.xml file for the emulator
emulator_section=$(xmllint --xpath "//emulator[@name='$emulator_name']" "$es_find_rules" 2>/dev/null)
if [ -z "$emulator_section" ]; then
log e "Emulator not found: $emulator_name"
return 1
fi
# Search systempath entries
while IFS= read -r line; do
command_path=$(echo "$line" | sed -n 's/.*<entry>\(.*\)<\/entry>.*/\1/p')
if [ -x "$(command -v $command_path)" ]; then
found_path=$command_path
break
fi
done <<< "$(echo "$emulator_section" | xmllint --xpath "//rule[@type='systempath']/entry" - 2>/dev/null)"
# If not found, search staticpath entries
if [ -z "$found_path" ]; then
while IFS= read -r line; do
command_path=$(eval echo "$line" | sed -n 's/.*<entry>\(.*\)<\/entry>.*/\1/p')
if [ -x "$command_path" ]; then
found_path=$command_path
break
fi
done <<< "$(echo "$emulator_section" | xmllint --xpath "//rule[@type='staticpath']/entry" - 2>/dev/null)"
fi
if [ -z "$found_path" ]; then
log e "No valid path found for emulator: $emulator_name"
return 1
else
log d "Found emulator: \"$found_path\""
echo "$found_path"
return 0
fi
}
# Function to find the emulator name from the label in es_systems.xml
find_emulator_name_from_label() {
local label="$1"
# Search for the emulator matching the label in the es_systems.xml file
extracted_emulator_name=$(xmllint --recover --xpath "string(//system[name='$system']/command[@label='$label']/text())" "$es_systems" 2>/dev/null | sed 's/%//g' | sed 's/EMULATOR_//g' | cut -d' ' -f1)
if [[ -n "$extracted_emulator_name" ]]; then
log d "Found emulator by label: $extracted_emulator_name"
echo "$extracted_emulator_name"
else
log e "Emulator name not found for label: $label"
return 1
fi
}