Adds effects for changing target stats.

pkmn_lib_interface/src/app_interface/dynamic_data/pokemon.rs

@@ -171,6 +171,13 @@ impl Pokemon {
         unsafe { pokemon_heal(self.inner.reference, amount, allow_revive) }
     }
 
+    #[cfg(not(feature = "mock_data"))]
+    pub fn set_weight(&self, weight: f32) {
+        unsafe {
+            pokemon_set_weight(self.reference(), weight);
+        }
+    }
+
     #[cfg(not(feature = "mock_data"))]
     pub fn battle_side(&self) -> BattleSide {
         self.battle()
@@ -319,6 +326,7 @@ extern "wasm" {
     fn pokemon_change_form(r: ExternRef<Pokemon>, form: ExternRef<Form>);
     fn pokemon_damage(r: ExternRef<Pokemon>, damage: u32, source: DamageSource);
     fn pokemon_heal(r: ExternRef<Pokemon>, amount: u32, allow_revive: bool) -> bool;
+    fn pokemon_set_weight(r: ExternRef<Pokemon>, weight: f32);
 
     fn pokemon_add_volatile_by_name(r: ExternRef<Pokemon>, name: *const c_char) -> ScriptPtr;
     fn pokemon_add_volatile(r: ExternRef<Pokemon>, script: ScriptPtr) -> ScriptPtr;