use rand::{seq::SliceRandom, thread_rng}; #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] pub struct Body { pub species: Species, pub body_type: BodyType, } impl Body { pub fn random() -> Self { let mut rng = thread_rng(); let species = *(&ALL_SPECIES).choose(&mut rng).unwrap(); Self::random_with(&mut rng, &species) } #[inline] pub fn random_with(rng: &mut impl rand::Rng, &species: &Species) -> Self { let body_type = *(&ALL_BODY_TYPES).choose(rng).unwrap(); Self { species, body_type } } } impl From for super::Body { fn from(body: Body) -> Self { super::Body::Critter(body) } } #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] #[repr(u32)] pub enum Species { Rat = 0, Axolotl = 1, Gecko = 2, Turtle = 3, Squirrel = 4, Fungome = 5, } /// Data representing per-species generic data. #[derive(Clone, Debug, Serialize, Deserialize)] pub struct AllSpecies { pub rat: SpeciesMeta, pub axolotl: SpeciesMeta, pub gecko: SpeciesMeta, pub turtle: SpeciesMeta, pub squirrel: SpeciesMeta, pub fungome: SpeciesMeta, } impl<'a, SpeciesMeta> core::ops::Index<&'a Species> for AllSpecies { type Output = SpeciesMeta; #[inline] fn index(&self, &index: &'a Species) -> &Self::Output { match index { Species::Rat => &self.rat, Species::Axolotl => &self.axolotl, Species::Gecko => &self.gecko, Species::Turtle => &self.turtle, Species::Squirrel => &self.squirrel, Species::Fungome => &self.fungome, } } } pub const ALL_SPECIES: [Species; 6] = [ Species::Rat, Species::Axolotl, Species::Gecko, Species::Turtle, Species::Squirrel, Species::Fungome, ]; impl<'a, SpeciesMeta: 'a> IntoIterator for &'a AllSpecies { type Item = Species; type IntoIter = impl Iterator; fn into_iter(self) -> Self::IntoIter { ALL_SPECIES.iter().copied() } } #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] #[repr(u32)] pub enum BodyType { Female = 0, Male = 1, } pub const ALL_BODY_TYPES: [BodyType; 2] = [BodyType::Female, BodyType::Male];