path: root/pokemmo-launcher

#!/bin/bash
#
#  (c) Copyright 2012-2020 **PokeMMO Game Client** PokeMMO.eu <linux@pokemmo.eu>
#  (c) Copyright 2017-2020 **PokeMMO Installer** Carlos Donizete Froes [a.k.a coringao]
#
#  This file is part of PokeMMO Installer, is an program downloads and
#  installs the PokeMMO client to a user's home directory and provides
#  a launcher script for a convientient starting of the emulator.
#
#  The script main is published under GPLv3 with OpenSSL exception,
#  the full license can be found in the LICENSE file.
#
# Script name:    'pokemmo-installer.sh'
# Edited version: '1.4.8'

addScreenshotsDir() (

[[ ! -d "$XDG_CONFIG_HOME" ]] && XDG_CONFIG_HOME="$HOME/.config"
[[ -f "$XDG_CONFIG_HOME/user-dirs.dirs" ]] && source "$XDG_CONFIG_HOME/user-dirs.dirs"

if [[ -d "$XDG_PICTURES_DIR" ]]; then
	ln -s "$XDG_PICTURES_DIR" "$POKEMMO/screenshots"
else
	[[ -L "$POKEMMO/screenshots" ]] && unlink "$POKEMMO/screenshots"
	mkdir -p "$POKEMMO/screenshots"
fi

)

getLauncherConfig() {

while read i; do
    case $i in
        installed=1) PKMO_IS_INSTALLED=1 ;;
        debugs=1) PKMO_CREATE_DEBUGS=1 ;;
        swr=1) export LIBGL_ALWAYS_SOFTWARE=1 ;;
        *) continue ;;
    esac
done <"$PKMOCONFIGDIR/pokemmo"

}

showMessage() {
  if [ "$(command -v zenity)" ]; then
    case "$1" in
      --info) zenity --notification --window-icon=/usr/share/pixmaps/pokemmo-installer.png --text="$2" ; echo "INFO: $2" ;;
      --error) zenity --error --width="250" --text="$2" ; echo "ERROR: $2" ; exit 1 ;;
      --warn) zenity --warning --width="250" --text="$2" ; echo "WARNING: $2" ;;
    esac
  elif [ "$(command -v kdialog)" ]; then
    case "$1" in
      --info) kdialog --icon /usr/share/pixmaps/pokemmo-installer.png --passivepopup "$2" ; echo "INFO: $2" ;;
      --error) kdialog --error "$2" ; echo "ERROR: $2" ; exit 1 ;;
      --warn) kdialog --sorry "$2" ; echo "WARNING: $2" ;;
    esac
  else
    case "$1" in
      --info) echo "INFO: $2" ;;
      --error) echo "ERROR: $2" ; exit 1 ;;
      --warn) echo "WARNING: $2" ;;
    esac
  fi
}

failDownload() {
  rm -f "$CLIENT_ZIP"

  if [[ $PKMO_FIRST_INSTALL ]]; then
    rm -rf "$POKEMMO"

    if [[ $PKMO_CREATED_CONFIG_DIR ]]; then
      rm -rf "$PKMOCONFIGDIR"
    fi

    showMessage --error "Failed to download PokeMMO.\n\nThe incomplete first-time installation was removed. Please launch PokeMMO again to retry.\n\n$1"
  fi

  showMessage --error "Failed to download PokeMMO:\n\n$1"
}

downloadPokemmo() {

  unset CLIENT_URL CLIENT_ZIP CLIENT_SIZE DOWNLOAD_STATUS
  CLIENT_URL="https://dl.pokemmo.com/PokeMMO-Client.zip"
  CLIENT_ZIP="$POKEMMO/PokeMMO-Client.zip"

  [[ $(command -v wget) ]] || failDownload "The wget binary was not found. Please check your PATH is set correctly and restart the program."
  [[ $(command -v unzip) ]] || failDownload "The unzip binary was not found. Please check your PATH is set correctly and restart the program."

  if [[ $(command -v zenity) ]]; then
    DOWNLOAD_LOG=$(mktemp)
    DOWNLOAD_RC=$(mktemp)
    CLIENT_SIZE=$(wget --spider --server-response "$CLIENT_URL" 2>&1 | while read -r line; do
      if [[ $line =~ Content-Length:[[:space:]]*([0-9]+) ]]; then
        echo "${BASH_REMATCH[1]}"
        break
      fi
    done)

    (
      wget --https-only --retry-connrefused --tries=3 --timeout=15 --waitretry=1 -q -O "$CLIENT_ZIP" "$CLIENT_URL" > "$DOWNLOAD_LOG" 2>&1 &
      DOWNLOAD_PID=$!

      while kill -0 "$DOWNLOAD_PID" 2>/dev/null; do
        if [[ $CLIENT_SIZE =~ ^[0-9]+$ && $CLIENT_SIZE -gt 0 ]]; then
          DOWNLOADED_SIZE=$(stat -c%s "$CLIENT_ZIP" 2>/dev/null || printf 0)
          DOWNLOAD_PERCENT=$(( DOWNLOADED_SIZE * 100 / CLIENT_SIZE ))
          [[ $DOWNLOAD_PERCENT -gt 100 ]] && DOWNLOAD_PERCENT=100
          echo "# Downloading PokeMMO client... ${DOWNLOAD_PERCENT}%"
          echo "$DOWNLOAD_PERCENT"
        else
          echo "# Downloading PokeMMO client..."
        fi
        sleep 0.5
      done

      wait "$DOWNLOAD_PID"
      DOWNLOAD_EXIT=$?
      echo "$DOWNLOAD_EXIT" > "$DOWNLOAD_RC"
      if [[ $DOWNLOAD_EXIT == 0 ]]; then
        echo "# Download complete."
        echo 100
      fi
    ) | zenity --progress --title="PokeMMO" --text="Downloading PokeMMO client..." --percentage=0 --auto-close --icon=/usr/share/pixmaps/pokemmo-launcher.png --window-icon=/usr/share/pixmaps/pokemmo-launcher.png

    if [[ ! -s "$DOWNLOAD_RC" || $(<"$DOWNLOAD_RC") != 0 ]]; then
      DOWNLOAD_STATUS=$(<"$DOWNLOAD_LOG")
      rm -f "$DOWNLOAD_LOG" "$DOWNLOAD_RC"
      failDownload "$DOWNLOAD_STATUS"
    fi

    rm -f "$DOWNLOAD_LOG" "$DOWNLOAD_RC"
  else
    DOWNLOAD_STATUS=$(wget --https-only --retry-connrefused --tries=3 --timeout=15 --waitretry=1 -O "$CLIENT_ZIP" "$CLIENT_URL" 2>&1)
    [[ $? == 0 ]] || failDownload "$DOWNLOAD_STATUS"
  fi

  rm -f "$PKMOCONFIGDIR/pokemmo"
  find "$POKEMMO" -type f -name "*.TEMPORARY" -exec rm -f {} +

  (cd "$POKEMMO" && unzip -oq "$CLIENT_ZIP" -x "roms/*" "config/*" "log/*") || failDownload "Failed to extract PokeMMO."
  rm -f "$CLIENT_ZIP"
  chmod +x "$POKEMMO/PokeMMO.sh" "$POKEMMO/bin/linux/x64/PokeMMO" "$POKEMMO/bin/linux/arm64/PokeMMO" 2>/dev/null || true
  echo "installed=1" > "$PKMOCONFIGDIR/pokemmo"
  
  # Post-update tasks
  [[ ! -d "$POKEMMO/screenshots" ]] && addScreenshotsDir
}

verifyInstallation() {
if [ ! -d "$POKEMMO" ]; then
  if [[ -e "$POKEMMO" || -L "$POKEMMO" ]]; then
    # Could also be a broken symlink
    showMessage --error "(Error 3) Could not install to $POKEMMO\n\n$POKEMMO already exists,\nbut is not a directory.\n\nMove or delete this file and try again."
  else
    mkdir -p "$POKEMMO"
    PKMO_FIRST_INSTALL=1
    showMessage --info "PokeMMO is being installed to $POKEMMO"
    downloadPokemmo
    return
  fi
fi

if [[ ! -r "$POKEMMO" || ! -w "$POKEMMO" || ! -x "$POKEMMO" || ! "$PKMO_IS_INSTALLED" || ! -f "$POKEMMO/PokeMMO.sh" || ! -d "$POKEMMO/data" ]]; then
    showMessage --warn "(Error 1) The installation is in a corrupt state.\n\nReverifying the game files."
    # Try to fix permissions before erroring out
    (chmod u+rwx "$POKEMMO" && find "$POKEMMO" -type d -exec chmod u+rwx {} + && find "$POKEMMO" -type f -exec chmod u+rw {} +) || showMessage --error "(Error 4) Could not fix permissions of $POKEMMO.\n\nContact PokeMMO support."
    downloadPokemmo
    return
fi

[[ $PKMO_REINSTALL && $PKMO_IS_INSTALLED ]] && downloadPokemmo
[[ ! -d "$POKEMMO/screenshots" ]] && addScreenshotsDir
}

######################
# Environment checks #
######################

if [[ -d "$XDG_CONFIG_HOME" ]]; then
    PKMOCONFIGDIR="$XDG_CONFIG_HOME/pokemmo"
else
    if [[ ! -e "$XDG_CONFIG_HOME" && -L "$XDG_CONFIG_HOME" ]]; then
        showMessage --error "(Error 10) The configuration directory ($XDG_CONFIG_HOME/pokemmo) is disconnected.\n\nPlease update your symlink and restart the program."
    else
        PKMOCONFIGDIR="$HOME/.config/pokemmo"
    fi
fi

if [ ! -d "$PKMOCONFIGDIR" ]; then
    if [[ -e "$PKMOCONFIGDIR" || -L "$PKMOCONFIGDIR" ]]; then
        showMessage --error "(Error 9) The configuration directory ($PKMOCONFIGDIR) already exists,\nbut is not a directory.\n\nMove or delete this file and try again."
    else
        mkdir -p "$PKMOCONFIGDIR"
        PKMO_CREATED_CONFIG_DIR=1
    fi
fi

while getopts "vhH:-:" opt; do
    case $opt in
        -) case "$OPTARG" in
               reverify) PKMO_REINSTALL=1 ;;
               swr) export LIBGL_ALWAYS_SOFTWARE=1 ;;
           esac
        ;;
        v) set -x
           PS4='Line ${LINENO}: '
        ;;
        h) printf "\
 PokeMMO Linux Launcher v1.4\n\
 https://pokemmo.eu/\n\n\
 Usage: pokemmo [option...]\n\n\
 -h                     Display this dialogue\n\
 -H <dir>               Set the PokeMMO directory (Default: $HOME/.local/share/pokemmo).
                        This option is persistent and may be modified in $PKMOCONFIGDIR/pokemmodir \n\
 -v                     Print verbose status to stdout\n
 --swr                  Try to fallback to an available software renderer\n\
 --reverify             Reverify the game files\n"
           exit
        ;;
        H) mkdir -p "$OPTARG" || continue
           echo "$OPTARG" > "$PKMOCONFIGDIR/pokemmodir" ;;
        *) continue ;;
    esac
done

#################
# Start PokeMMO #
#################

[[ -f "$PKMOCONFIGDIR/pokemmo" ]] && getLauncherConfig

if [[ -f "$PKMOCONFIGDIR/pokemmodir" ]]; then
    POKEMMO=$(head -n1 "$PKMOCONFIGDIR/pokemmodir")
    [[ ! -d "$POKEMMO" ]] && showMessage --error "(Error 8) The configured directory ($POKEMMO) has become unavailable. Bailing!"
else
    if [[ -d "$XDG_DATA_HOME" ]]; then
        POKEMMO="$XDG_DATA_HOME/pokemmo"
    else
        if [[ ! -e "$XDG_DATA_HOME" && -L "$XDG_DATA_HOME" ]]; then
            showMessage --error "(Error 11) The XDG_DATA_HOME directory ($XDG_DATA_HOME/pokemmo) is disconnected.\n\nPlease update your symlink and restart the program."
        else
            POKEMMO="$HOME/.local/share/pokemmo"
        fi
    fi
fi

verifyInstallation

cd "$POKEMMO" && exec ./PokeMMO.sh "$@"