Autodetect multiple installs

Cargo.toml

@@ -7,7 +7,7 @@ edition.workspace = true
 members = [".", "bms-briefing-parser"]
 
 [workspace.package]
-version = "0.1.0"
+version = "0.1.2"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -27,6 +27,7 @@ notify = "6.1.1"
 encoding_rs = "0.8.33"
 encoding_rs_io = "0.1.7"
 clap = { version = "4.5.2", features = ["derive"] }
+bms-sm = "0.1.1"
 
 [build-dependencies]
 yarte = { version = "0.15", features = ["bytes-buf", "json"] }

src/gameinfo.rs

@@ -10,29 +10,48 @@ pub struct GameInfo {
 }
 
 impl GameInfo {
-    pub fn new() -> Option<GameInfo> {
+    pub fn new(version: &str) -> Result<GameInfo, Box<dyn std::error::Error>> {
         let hklm = RegKey::predef(HKEY_LOCAL_MACHINE);
-        let cur_ver = hklm
-            .open_subkey("SOFTWARE\\WOW6432Node\\Benchmark Sims\\Falcon BMS 4.37")
-            .ok()?;
-        let base_dir: String = cur_ver.get_value("baseDir").ok()?;
-        let theater: String = cur_ver.get_value("curTheater").ok()?;
-        let callsign: Vec<u8> = cur_ver.get_raw_value("PilotCallsign").ok()?.bytes;
+        let versions = hklm.open_subkey("SOFTWARE\\WOW6432Node\\Benchmark Sims")?;
+
+        let cur_ver = versions.open_subkey(version)?;
+        let base_dir: String = cur_ver.get_value("baseDir")?;
+        let theater: String = cur_ver.get_value("curTheater")?;
+        let callsign: Vec<u8> = cur_ver.get_raw_value("PilotCallsign")?.bytes;
         let callsign = String::from_utf8_lossy(&callsign)
             .replace('\0', " ")
             .trim()
             .to_string();
-        let name: Vec<u8> = cur_ver.get_raw_value("PilotName").ok()?.bytes;
+        let name: Vec<u8> = cur_ver.get_raw_value("PilotName")?.bytes;
         let name = String::from_utf8_lossy(&name)
             .replace('\0', " ")
             .trim()
             .to_string();
 
-        Some(GameInfo {
+        Ok(GameInfo {
             base_dir: base_dir.into(),
             theater,
             callsign,
             name,
         })
     }
+
+    pub fn versions() -> Vec<GameInfo> {
+        let mut infos = vec![];
+
+        let hklm = RegKey::predef(HKEY_LOCAL_MACHINE);
+        let Ok(versions) = hklm.open_subkey("SOFTWARE\\WOW6432Node\\Benchmark Sims") else {
+            return vec![];
+        };
+
+        for cur_ver in versions.enum_keys().flatten() {
+            let Ok(gi) = Self::new(&cur_ver) else {
+                continue;
+            };
+
+            infos.push(gi);
+        }
+
+        infos
+    }
 }