Add TryFrom implementations for Race, Tribe, Gender

src/error.rs

@@ -0,0 +1,3 @@
+// TODO: expand
+#[derive(Debug, Clone)]
+pub struct Error;

src/lib.rs

@@ -156,3 +156,6 @@ mod bcn;
 
 /// Reading the binary .dat files in the user folder (e.g. GEARSET.dat)
 pub mod dat;
+
+mod error;
+pub use error::Error;

src/race.rs

@@ -3,6 +3,8 @@
 
 use binrw::binrw;
 
+use crate::Error;
+
 /// The playable genders in the game.
 #[binrw]
 #[brw(repr = u8)]
@@ -13,6 +15,18 @@ pub enum Gender {
     Female = 1,
 }
 
+impl std::convert::TryFrom<u8> for Gender {
+    type Error = crate::Error;
+
+    fn try_from(value: u8) -> Result<Self, Error> {
+        match value {
+            0 => Ok(Self::Male),
+            1 => Ok(Self::Female),
+            _ => Err(Error {}),
+        }
+    }
+}
+
 /// The playable tribes in the game.
 /// Each race has two similar-looking tribes, with the exception of Highlander Hyur which are visually distinct.
 #[binrw]
@@ -38,6 +52,32 @@ pub enum Tribe {
     Veena = 16,
 }
 
+impl std::convert::TryFrom<u8> for Tribe {
+    type Error = crate::Error;
+
+    fn try_from(value: u8) -> Result<Self, Error> {
+        match value {
+            1 => Ok(Self::Midlander),
+            2 => Ok(Self::Highlander),
+            3 => Ok(Self::Wildwood),
+            4 => Ok(Self::Duskwight),
+            5 => Ok(Self::Plainsfolk),
+            6 => Ok(Self::Dunesfolk),
+            7 => Ok(Self::Seeker),
+            8 => Ok(Self::Keeper),
+            9 => Ok(Self::SeaWolf),
+            10 => Ok(Self::Hellsguard),
+            11 => Ok(Self::Raen),
+            12 => Ok(Self::Xaela),
+            13 => Ok(Self::Hellion),
+            14 => Ok(Self::Lost),
+            15 => Ok(Self::Rava),
+            16 => Ok(Self::Veena),
+            _ => Err(Error {}),
+        }
+    }
+}
+
 /// The playable races in the game.
 #[binrw]
 #[brw(repr = u8)]
@@ -54,6 +94,24 @@ pub enum Race {
     Viera = 8,
 }
 
+impl std::convert::TryFrom<u8> for Race {
+    type Error = crate::Error;
+
+    fn try_from(value: u8) -> Result<Self, Error> {
+        match value {
+            1 => Ok(Self::Hyur),
+            2 => Ok(Self::Elezen),
+            3 => Ok(Self::Lalafell),
+            4 => Ok(Self::Miqote),
+            5 => Ok(Self::Roegadyn),
+            6 => Ok(Self::AuRa),
+            7 => Ok(Self::Hrothgar),
+            8 => Ok(Self::Viera),
+            _ => Err(Error {}),
+        }
+    }
+}
+
 /// Gets a proper race identifier (such as 101, for Hyur-Midlander-Males) given a race, a tribe,
 /// and a gender.
 pub fn get_race_id(race: Race, tribe: Tribe, gender: Gender) -> Option<i32> {
@@ -93,12 +151,10 @@ pub fn get_race_id(race: Race, tribe: Tribe, gender: Gender) -> Option<i32> {
             Gender::Male => Some(1301),
             Gender::Female => Some(1401),
         },
-        Race::Hrothgar => {
-            match gender {
-                Gender::Male => Some(1501),
-                Gender::Female => Some(1601),
-            }
-        }
+        Race::Hrothgar => match gender {
+            Gender::Male => Some(1501),
+            Gender::Female => Some(1601),
+        },
         Race::Viera => match gender {
             Gender::Male => Some(1701),
             Gender::Female => Some(1801),