Added the misc options

src/infos.rs

@@ -1,5 +1,7 @@
 use serde_derive::{Deserialize, Serialize};
+use std::fmt;
 use std::path::PathBuf;
+use std::slice::Iter;
 
 // TODO - write some impl stuff in here so the main GUI stuff
 // is a little bit more decoupled from this. I think a Display
@@ -17,3 +19,40 @@ pub struct LauncherInfo {
     pub path: PathBuf,
     pub name: String,
 }
+
+#[derive(PartialEq, Clone, Copy)]
+pub enum Difficulty {
+    None,
+    Baby,
+    Easy,
+    Medium,
+    Hard,
+    Nightmare,
+}
+
+impl fmt::Display for Difficulty {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match *self {
+            Difficulty::Baby => write!(f, "I'm too young to die"),
+            Difficulty::Easy => write!(f, "Hey, not too rough"),
+            Difficulty::Medium => write!(f, "Hurt me plenty"),
+            Difficulty::Hard => write!(f, "Ultra-Violence"),
+            Difficulty::Nightmare => write!(f, "Nightmare!"),
+            Difficulty::None => write!(f, "None"),
+        }
+    }
+}
+
+impl Difficulty {
+    pub fn iterator() -> Iter<'static, Difficulty> {
+        static DIFFICULTIES: [Difficulty; 6] = [
+            Difficulty::None,
+            Difficulty::Baby,
+            Difficulty::Easy,
+            Difficulty::Medium,
+            Difficulty::Hard,
+            Difficulty::Nightmare,
+        ];
+        DIFFICULTIES.iter()
+    }
+}