Oops

src/lib.rs

@@ -80,6 +80,54 @@ impl ModInfo {
     pub fn version_string(&self) -> String {
         format!("{}.{}.{}", self.version.0, self.version.1, self.version.2)
     }
+
+    /// Does the mod satisfy a dependency string?
+    pub fn satisfies(&self, dependency_string: &str) -> bool {
+        let version_str_index = match dependency_string.rfind('-') {
+            Some(index) => index,
+            None => return false,
+        };
+        if &dependency_string[0..version_str_index] != format!("{}-{}", self.author, self.name) {
+            return false;
+        }
+
+        let version_string = &dependency_string[version_str_index + 1..];
+        let mut iter = version_string.split('.');
+        let major = iter
+            .next()
+            .and_then(|str| i64::from_str_radix(str, 10).ok());
+        let minor = iter
+            .next()
+            .and_then(|str| i64::from_str_radix(str, 10).ok());
+        let patch = iter
+            .next()
+            .and_then(|str| i64::from_str_radix(str, 10).ok());
+        if iter.count() > 0 {
+            return false;
+        }
+        let version = match (major, minor, patch) {
+            (Some(major), Some(minor), Some(patch)) => (major, minor, patch),
+            _ => return false,
+        };
+
+        // Mods probably don't follow semantic versioning that closely, so just assume that bigger
+        // is better.
+        match self.version.0.cmp(&version.0) {
+            Greater => return true,
+            Less => return false,
+            Equal => (),
+        };
+        match self.version.1.cmp(&version.1) {
+            Greater => return true,
+            Less => return false,
+            Equal => (),
+        };
+        match self.version.2.cmp(&version.2) {
+            Greater => true,
+            Less => false,
+            Equal => true,
+        }
+    }
 }
 
 pub struct FetchExtractor {
@@ -226,7 +274,8 @@ pub fn data_dir() -> PathBuf {
 pub fn game_dir() -> PathBuf {
     match var("GAME_DIR").ok() {
         Some(game_dir) => game_dir.into(),
-        None => PathBuf::from(var("HOME").unwrap())
-            .join("steam/SteamLibrary/steamapps/common/Lethal Company"),
+        None => {
+            PathBuf::from(var("HOME").unwrap()).join(".steam/steam/steamapps/common/Lethal Company")
+        }
     }
 }