Basic implementation of evolutions

src/dynamic_data/models/pokemon.rs

@@ -68,6 +68,9 @@ struct PokemonData {
     /// The height of the Pokemon in meters.
     height: Atomic<f32>,
 
+    /// The happiness of the Pokemon. Also known as friendship.
+    happiness: AtomicU8,
+
     /// The stats of the Pokemon when disregarding any stat boosts.
     flat_stats: Arc<StatisticSet<u32>>,
     /// The statistics boosts of the Pokemon. Will prevent the value from going above 6, and below
@@ -158,6 +161,7 @@ impl Pokemon {
             .calculate_experience(species.growth_rate(), level)?;
         let weight = form.weight();
         let height = form.height();
+        let base_happiness = species.base_happiness();
         let nature = library
             .static_data()
             .natures()
@@ -198,6 +202,7 @@ impl Pokemon {
             status_script: ScriptContainer::default(),
             volatile: Default::default(),
             script_source_data: Default::default(),
+            happiness: AtomicU8::new(base_happiness),
         };
 
         let pokemon = Self {
@@ -326,11 +331,16 @@ impl Pokemon {
     pub fn set_weight(&self, weight: f32) {
         self.data.weight.store(weight, Ordering::Relaxed)
     }
-
     /// The height of the Pokemon in meters.
     pub fn height(&self) -> f32 {
         self.data.height.load(Ordering::Relaxed)
     }
+
+    /// The current happiness of the Pokemon. Also known as friendship.
+    pub fn happiness(&self) -> u8 {
+        self.data.happiness.load(Ordering::Relaxed)
+    }
+
     /// An optional nickname of the Pokemon.
     pub fn nickname(&self) -> &Option<String> {
         &self.data.nickname
@@ -921,6 +931,7 @@ impl Pokemon {
                 current_health: AtomicU32::new(value.current_health),
                 weight: Atomic::new(value.weight),
                 height: Atomic::new(value.height),
+                happiness: AtomicU8::new(value.happiness),
                 flat_stats: Arc::new(Default::default()),
                 stat_boost: Arc::new(value.stat_boosts.clone()),
                 boosted_stats: Arc::new(Default::default()),
@@ -1163,6 +1174,7 @@ pub mod test {
             });
             species.expect_growth_rate().return_const(StringKey::empty());
             species.expect_name().return_const(StringKey::new("test_species"));
+            species.expect_base_happiness().return_const(100);
 
             let s: Arc<dyn Species> = Arc::new(species);
             Some(s)