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|
//! This module deals with handling things around Northstar such as
//! - getting version number
pub mod install;
use crate::util::check_ea_app_or_origin_running;
use crate::{
constants::{CORE_MODS, TITANFALL2_STEAM_ID},
get_host_os, GameInstall, InstallType,
};
use anyhow::anyhow;
/// Check version number of a mod
pub fn check_mod_version_number(path_to_mod_folder: &str) -> Result<String, anyhow::Error> {
let data = std::fs::read_to_string(format!("{path_to_mod_folder}/mod.json"))?;
let parsed_json: serde_json::Value = serde_json::from_str(&data)?;
let mod_version_number = match parsed_json.get("Version").and_then(|value| value.as_str()) {
Some(version_number) => version_number,
None => return Err(anyhow!("No version number found")),
};
log::info!("{}", mod_version_number);
Ok(mod_version_number.to_string())
}
/// Returns the current Northstar version number as a string
#[tauri::command]
pub fn get_northstar_version_number(game_path: &str) -> Result<String, String> {
log::info!("{}", game_path);
// TODO:
// Check if NorthstarLauncher.exe exists and check its version number
let profile_folder = "R2Northstar";
let initial_version_number = match check_mod_version_number(&format!(
"{game_path}/{profile_folder}/mods/{}",
CORE_MODS[0]
)) {
Ok(version_number) => version_number,
Err(err) => return Err(err.to_string()),
};
for core_mod in CORE_MODS {
let current_version_number = match check_mod_version_number(&format!(
"{game_path}/{profile_folder}/mods/{core_mod}",
)) {
Ok(version_number) => version_number,
Err(err) => return Err(err.to_string()),
};
if current_version_number != initial_version_number {
// We have a version number mismatch
return Err("Found version number mismatch".to_string());
}
}
log::info!("All mods same version");
Ok(initial_version_number)
}
/// Launches Northstar
#[tauri::command]
pub fn launch_northstar(
game_install: GameInstall,
bypass_checks: Option<bool>,
) -> Result<String, String> {
dbg!(game_install.clone());
let host_os = get_host_os();
// Explicitly fail early certain (currently) unsupported install setups
if host_os != "windows" {
if !matches!(game_install.install_type, InstallType::STEAM) {
return Err(format!(
"Not yet implemented for \"{}\" with Titanfall2 installed via \"{:?}\"",
get_host_os(),
game_install.install_type
));
}
return launch_northstar_steam(game_install, bypass_checks);
}
let bypass_checks = bypass_checks.unwrap_or(false);
// Only check guards if bypassing checks is not enabled
if !bypass_checks {
// Some safety checks before, should have more in the future
if get_northstar_version_number(&game_install.game_path).is_err() {
return Err(anyhow!("Not all checks were met").to_string());
}
// Require EA App or Origin to be running to launch Northstar
let ea_app_is_running = check_ea_app_or_origin_running();
if !ea_app_is_running {
return Err(
anyhow!("EA App not running, start EA App before launching Northstar").to_string(),
);
}
}
// Switch to Titanfall2 directory for launching
// NorthstarLauncher.exe expects to be run from that folder
if std::env::set_current_dir(game_install.game_path.clone()).is_err() {
// We failed to get to Titanfall2 directory
return Err(anyhow!("Couldn't access Titanfall2 directory").to_string());
}
// Only Windows with Steam or Origin are supported at the moment
if host_os == "windows"
&& (matches!(game_install.install_type, InstallType::STEAM)
|| matches!(game_install.install_type, InstallType::ORIGIN)
|| matches!(game_install.install_type, InstallType::UNKNOWN))
{
let ns_exe_path = format!("{}/NorthstarLauncher.exe", game_install.game_path);
let ns_params: Vec<&str> = game_install.launch_parameters.split_whitespace().collect();
let mut args = vec!["/C", "start", "", &ns_exe_path];
// We cannot add the params directly because of limitations with cmd.exe
// https://stackoverflow.com/questions/9964865/c-system-not-working-when-there-are-spaces-in-two-different-parameters/9965141#9965141
args.extend(ns_params);
let _output = std::process::Command::new("C:\\Windows\\System32\\cmd.exe")
.args(args)
.spawn()
.expect("failed to execute process");
return Ok("Launched game".to_string());
}
Err(format!(
"Not yet implemented for {:?} on {}",
game_install.install_type,
get_host_os()
))
}
/// Prepare Northstar and Launch through Steam using the Browser Protocol
#[tauri::command]
pub fn launch_northstar_steam(
game_install: GameInstall,
_bypass_checks: Option<bool>,
) -> Result<String, String> {
if !matches!(game_install.install_type, InstallType::STEAM) {
return Err("Titanfall2 was not installed via Steam".to_string());
}
match steamlocate::SteamDir::locate() {
Some(mut steamdir) => {
if get_host_os() != "windows" {
let titanfall2_steamid: u32 = TITANFALL2_STEAM_ID.parse().unwrap();
match steamdir.compat_tool(&titanfall2_steamid) {
Some(compat) => {
if !compat
.name
.clone()
.unwrap()
.to_ascii_lowercase()
.contains("northstarproton")
{
return Err(
"Titanfall2 was not configured to use NorthstarProton".to_string()
);
}
}
None => {
return Err(
"Titanfall2 was not configured to use a compatibility tool".to_string()
);
}
}
}
}
None => {
return Err("Couldn't access Titanfall2 directory".to_string());
}
}
// Switch to Titanfall2 directory to set everything up
if std::env::set_current_dir(game_install.game_path).is_err() {
// We failed to get to Titanfall2 directory
return Err("Couldn't access Titanfall2 directory".to_string());
}
match open::that(format!("steam://run/{}//--northstar {}/", TITANFALL2_STEAM_ID, game_install.launch_parameters)) {
Ok(()) => Ok("Started game".to_string()),
Err(_err) => Err("Failed to launch Titanfall 2 via Steam".to_string()),
}
}
|
