FFI for Pokemon class

src/dynamic_data/flow/turn_runner.rs

@@ -194,7 +194,7 @@ impl Battle {
                 .library()
                 .static_data()
                 .types()
-                .get_effectiveness(hit_type, target.types());
+                .get_effectiveness(hit_type, &target.types());
             script_hook!(
                 change_effectiveness,
                 executing_move,

src/dynamic_data/models/battle.rs

@@ -18,12 +18,14 @@ use crate::dynamic_data::VolatileScriptsOwner;
 use crate::dynamic_data::{is_valid_target, ScriptWrapper};
 use crate::dynamic_data::{ChoiceQueue, ScriptContainer};
 use crate::dynamic_data::{ScriptCategory, ScriptSource, ScriptSourceData};
-use crate::{script_hook, PkmnResult, StringKey};
+use crate::{script_hook, PkmnResult, StringKey, ValueIdentifiable, ValueIdentifier};
 
 /// A pokemon battle, with any amount of sides and pokemon per side.
 #[derive(Debug)]
 #[cfg_attr(feature = "wasm", derive(unique_type_id_derive::UniqueTypeId))]
 pub struct Battle {
+    /// A unique identifier so we know what value this is.
+    identifier: ValueIdentifier,
     /// The library the battle uses for handling.
     library: Arc<DynamicLibrary>,
     /// A list of all different parties in the battle.
@@ -81,6 +83,7 @@ impl Battle {
         }
 
         let mut battle = Self {
+            identifier: Default::default(),
             library,
             parties,
             can_flee,
@@ -389,6 +392,12 @@ impl ScriptSource for Battle {
     }
 }
 
+impl ValueIdentifiable for Battle {
+    fn value_identifier(&self) -> ValueIdentifier {
+        self.identifier
+    }
+}
+
 /// The result of a battle.
 #[derive(Debug, Copy, Clone)]
 pub enum BattleResult {

src/dynamic_data/models/learned_move.rs

@@ -1,13 +1,17 @@
 use std::sync::atomic::{AtomicU8, Ordering};
 use std::sync::Arc;
 
+use crate::dynamic_data::Pokemon;
 use crate::static_data::MoveData;
+use crate::{ValueIdentifiable, ValueIdentifier};
 
 /// A learned move is the data attached to a Pokemon for a move it has learned. It has information
 /// such as the remaining amount of users, how it has been learned, etc.
 #[derive(Debug)]
 #[cfg_attr(feature = "wasm", derive(unique_type_id_derive::UniqueTypeId))]
 pub struct LearnedMove {
+    /// A unique identifier so we know what value this is.
+    identifier: ValueIdentifier,
     /// The immutable move information of the move.
     move_data: Arc<MoveData>,
     /// The maximal power points for this move.
@@ -33,6 +37,7 @@ impl LearnedMove {
     /// Instantiate a new learned move.
     pub fn new(move_data: &Arc<MoveData>, learn_method: MoveLearnMethod) -> Self {
         Self {
+            identifier: Default::default(),
             move_data: move_data.clone(),
             max_pp: move_data.base_usages(),
             remaining_pp: AtomicU8::new(move_data.base_usages()),
@@ -87,3 +92,9 @@ impl LearnedMove {
             .unwrap();
     }
 }
+
+impl ValueIdentifiable for LearnedMove {
+    fn value_identifier(&self) -> ValueIdentifier {
+        self.identifier
+    }
+}

src/dynamic_data/models/pokemon.rs

@@ -3,7 +3,8 @@ use std::sync::atomic::{AtomicBool, AtomicU32, AtomicU8, Ordering};
 use std::sync::{Arc, Weak};
 
 use atomig::Atomic;
-use parking_lot::RwLock;
+use parking_lot::lock_api::RwLockReadGuard;
+use parking_lot::{RawRwLock, RwLock};
 
 use crate::defines::{LevelInt, MAX_MOVES};
 use crate::dynamic_data::event_hooks::Event;
@@ -21,18 +22,20 @@ use crate::static_data::{Ability, Statistic};
 use crate::static_data::{AbilityIndex, DataLibrary};
 use crate::static_data::{ClampedStatisticSet, StatisticSet};
 use crate::utils::Random;
-use crate::{script_hook, PkmnResult, StringKey};
+use crate::{script_hook, PkmnResult, StringKey, ValueIdentifiable, ValueIdentifier};
 
 /// An individual Pokemon as we know and love them.
 #[derive(Debug)]
 #[cfg_attr(feature = "wasm", derive(unique_type_id_derive::UniqueTypeId))]
 pub struct Pokemon {
+    /// A unique identifier so we know what value this is.
+    identifier: ValueIdentifier,
     /// The library data of the Pokemon.
     library: Arc<DynamicLibrary>,
     /// The species of the Pokemon.
-    species: Arc<Species>,
+    species: RwLock<Arc<Species>>,
     /// The form of the Pokemon.
-    form: Arc<Form>,
+    form: RwLock<Arc<Form>>,
 
     /// An optional display species of the Pokemon. If this is set, the client should display this
     /// species. An example of usage for this is the Illusion ability.
@@ -49,7 +52,7 @@ pub struct Pokemon {
     unique_identifier: u32,
 
     /// The gender of the Pokemon.
-    gender: Gender,
+    gender: RwLock<Gender>,
     /// The coloring of the Pokemon. Value 0 is the default, value 1 means shiny. Other values are
     /// currently not used, and can be used for other implementations.
     coloring: u8,
@@ -96,7 +99,7 @@ pub struct Pokemon {
     allowed_experience: bool,
 
     /// The current types of the Pokemon.
-    types: Vec<TypeIdentifier>,
+    types: RwLock<Vec<TypeIdentifier>>,
     /// Whether or not this Pokemon is an egg.
     is_egg: bool,
     /// Whether or not this Pokemon was caught this battle.
@@ -142,15 +145,16 @@ impl Pokemon {
             .unwrap_or_else(|| panic!("Unknown nature name was given: {}.", &nature))
             .clone();
         let mut pokemon = Self {
+            identifier: Default::default(),
             library,
-            species,
-            form: form.clone(),
+            species: RwLock::new(species),
+            form: RwLock::new(form.clone()),
             display_species: None,
             display_form: None,
             level,
             experience: AtomicU32::new(experience),
             unique_identifier,
-            gender,
+            gender: RwLock::new(gender),
             coloring,
             held_item: RwLock::new(None),
             current_health: AtomicU32::new(1),
@@ -168,7 +172,7 @@ impl Pokemon {
             battle_data: RwLock::new(None),
             moves: RwLock::new([None, None, None, None]),
             allowed_experience: false,
-            types: form.types().to_vec(),
+            types: RwLock::new(form.types().to_vec()),
             is_egg: false,
             is_caught: false,
             held_item_trigger_script: ScriptContainer::default(),
@@ -189,27 +193,27 @@ impl Pokemon {
         &self.library
     }
     /// The species of the Pokemon.
-    pub fn species(&self) -> &Arc<Species> {
-        &self.species
+    pub fn species(&self) -> Arc<Species> {
+        self.species.read().clone()
     }
     /// The form of the Pokemon.
-    pub fn form(&self) -> &Arc<Form> {
-        &self.form
+    pub fn form(&self) -> Arc<Form> {
+        self.form.read().clone()
     }
     /// The species that should be displayed to the user. This handles stuff like the Illusion ability.
-    pub fn display_species(&self) -> &Arc<Species> {
+    pub fn display_species(&self) -> Arc<Species> {
         if let Some(v) = &self.display_species {
-            v
+            v.clone()
         } else {
-            &self.species
+            self.species()
         }
     }
     /// The form that should be displayed to the user. This handles stuff like the Illusion ability.
-    pub fn display_form(&self) -> &Arc<Form> {
+    pub fn display_form(&self) -> Arc<Form> {
         if let Some(v) = &self.display_form {
-            v
+            v.clone()
         } else {
-            &self.form
+            self.form()
         }
     }
     /// The current level of the Pokemon.
@@ -226,7 +230,7 @@ impl Pokemon {
     }
     /// The gender of the Pokemon.
     pub fn gender(&self) -> Gender {
-        self.gender
+        *self.gender.read()
     }
     /// The coloring of the Pokemon. Value 0 is the default, value 1 means shiny. Other values are
     /// currently not used, and can be used for other implementations.
@@ -245,11 +249,11 @@ impl Pokemon {
         }
         false
     }
-    /// Changes the held item of the Pokemon/
+    /// Changes the held item of the Pokemon. Returns the previously held item.
     pub fn set_held_item(&self, item: &Arc<Item>) -> Option<Arc<Item>> {
         self.held_item.write().replace(item.clone())
     }
-    /// Removes the held item from the Pokemon.
+    /// Removes the held item from the Pokemon. Returns the previously held item.
     pub fn remove_held_item(&self) -> Option<Arc<Item>> {
         self.held_item.write().take()
     }
@@ -300,8 +304,8 @@ impl Pokemon {
         &self.ability_index
     }
     /// The current types of the Pokemon.
-    pub fn types(&self) -> &Vec<TypeIdentifier> {
-        &self.types
+    pub fn types(&self) -> RwLockReadGuard<'_, RawRwLock, Vec<TypeIdentifier>> {
+        self.types.read()
     }
     /// The moves the Pokemon has learned. This is of a set length of [`MAX_MOVES`]. Empty move slots
     /// are defined by None.
@@ -314,7 +318,7 @@ impl Pokemon {
         &self.flat_stats
     }
 
-    /// The stats of the Pokemon including the stat boosts
+    /// The amount of boosts on a specific stat.
     pub fn stat_boosts(&self) -> &ClampedStatisticSet<i8, -6, 6> {
         &self.stat_boost
     }
@@ -420,7 +424,7 @@ impl Pokemon {
         self.library
             .static_data()
             .abilities()
-            .get(self.form.get_ability(self.ability_index))
+            .get(self.form().get_ability(self.ability_index))
             .unwrap()
     }
 
@@ -444,14 +448,16 @@ impl Pokemon {
         &self.nature
     }
 
-    /// Calculates the flat stats on the Pokemon.
+    /// Calculates the flat stats on the Pokemon. This should be called when for example the base
+    /// stats, level, nature, IV, or EV changes. This has a side effect of recalculating the boosted
+    /// stats, as those depend on the flat stats.
     pub fn recalculate_flat_stats(&self) {
         self.library
             .stat_calculator()
             .calculate_flat_stats(self, &self.flat_stats);
         self.recalculate_boosted_stats();
     }
-    /// Calculates the boosted stats on the Pokemon.
+    /// Calculates the boosted stats on the Pokemon. This should be called when a stat boost changes.
     pub fn recalculate_boosted_stats(&self) {
         self.library
             .stat_calculator()
@@ -459,25 +465,25 @@ impl Pokemon {
     }
 
     /// Change the species of the Pokemon.
-    pub fn change_species(&mut self, species: Arc<Species>, form: Arc<Form>) {
-        self.species = species.clone();
-        self.form = form.clone();
+    pub fn change_species(&self, species: Arc<Species>, form: Arc<Form>) {
+        *self.species.write() = species.clone();
+        *self.form.write() = form.clone();
 
         // If the pokemon is genderless, but it's new species is not, we want to set its gender
-        if self.gender != Gender::Genderless && species.gender_rate() < 0.0 {
+        if self.gender() != Gender::Genderless && species.gender_rate() < 0.0 {
             // If we're in battle, use the battle random for predictability
             let r = self.battle_data.read();
             if let Some(data) = r.deref() {
                 let mut random = data.battle().unwrap().random().get_rng().lock().unwrap();
-                self.gender = species.get_random_gender(random.deref_mut());
+                *self.gender.write() = species.get_random_gender(random.deref_mut());
             } else {
                 // If we're not in battle, just use a new random.
-                self.gender = species.get_random_gender(&mut Random::default());
+                *self.gender.write() = species.get_random_gender(&mut Random::default());
             }
         }
         // Else if the new species is genderless, but the pokemon has a gender, make the creature genderless.
-        else if species.gender_rate() < 0.0 && self.gender != Gender::Genderless {
-            self.gender = Gender::Genderless;
+        else if species.gender_rate() < 0.0 && self.gender() != Gender::Genderless {
+            *self.gender.write() = Gender::Genderless;
         }
         let r = self.battle_data.read();
         if let Some(battle_data) = &r.deref() {
@@ -492,15 +498,18 @@ impl Pokemon {
     }
 
     /// Change the form of the Pokemon.
-    pub fn change_form(&mut self, form: &Arc<Form>) {
-        if Arc::ptr_eq(&self.form, form) {
+    pub fn change_form(&self, form: &Arc<Form>) {
+        if self.form().value_identifier() == form.value_identifier() {
             return;
         }
-        self.form = form.clone();
+        *self.form.write() = form.clone();
 
-        self.types.clear();
-        for t in form.types() {
-            self.types.push(*t);
+        {
+            let mut type_lock = self.types.write();
+            type_lock.clear();
+            for t in form.types() {
+                type_lock.push(*t);
+            }
         }
         self.weight.store(form.weight(), Ordering::SeqCst);
         self.height.store(form.height(), Ordering::SeqCst);
@@ -572,8 +581,8 @@ impl Pokemon {
             data.on_battle_field.store(value, Ordering::SeqCst);
             if !value {
                 self.volatile.clear();
-                self.weight.store(self.form.weight(), Ordering::SeqCst);
-                self.height.store(self.form.height(), Ordering::SeqCst);
+                self.weight.store(self.form().weight(), Ordering::SeqCst);
+                self.height.store(self.form().height(), Ordering::SeqCst);
             }
         }
     }
@@ -782,6 +791,12 @@ impl VolatileScriptsOwner for Pokemon {
     }
 }
 
+impl ValueIdentifiable for Pokemon {
+    fn value_identifier(&self) -> ValueIdentifier {
+        self.identifier
+    }
+}
+
 /// A source of damage. This should be as unique as possible.
 #[derive(Debug, Clone, Copy)]
 #[repr(u8)]
@@ -821,7 +836,7 @@ pub mod test {
             0,
             &"test_nature".into(),
         );
-        assert_eq!(pokemon.species.name(), &"foo".into());
-        assert_eq!(pokemon.form.name(), &"default".into());
+        assert_eq!(pokemon.species().name(), &"foo".into());
+        assert_eq!(pokemon.form().name(), &"default".into());
     }
 }

src/ffi/dynamic_data/libraries/dynamic_library.rs

@@ -1,6 +1,7 @@
 use crate::dynamic_data::{BattleStatCalculator, DamageLibrary, DynamicLibrary, MiscLibrary, ScriptResolver};
 use crate::ffi::{IdentifiablePointer, OwnedPtr};
 use crate::static_data::StaticData;
+use std::sync::Arc;
 
 #[no_mangle]
 extern "C" fn dynamic_library_new(
@@ -9,9 +10,9 @@ extern "C" fn dynamic_library_new(
     damage_library: OwnedPtr<Box<dyn DamageLibrary>>,
     misc_library: OwnedPtr<Box<dyn MiscLibrary>>,
     script_resolver: OwnedPtr<Box<dyn ScriptResolver>>,
-) -> IdentifiablePointer<DynamicLibrary> {
+) -> IdentifiablePointer<Arc<DynamicLibrary>> {
     unsafe {
-        Box::new(DynamicLibrary::new(
+        Arc::new(DynamicLibrary::new(
             *Box::from_raw(static_data),
             *Box::from_raw(stat_calculator),
             *Box::from_raw(damage_library),

src/ffi/dynamic_data/mod.rs

@@ -1 +1,2 @@
 mod libraries;
+mod models;

src/ffi/dynamic_data/models/mod.rs

@@ -0,0 +1 @@
+mod pokemon;

src/ffi/dynamic_data/models/pokemon.rs

@@ -0,0 +1,342 @@
+use crate::defines::LevelInt;
+use crate::dynamic_data::{Battle, DamageSource, DynamicLibrary, LearnedMove, MoveLearnMethod, Pokemon};
+use crate::ffi::{ffi_arc_getter, ffi_vec_value_getters, ExternPointer, IdentifiablePointer, OwnedPtr};
+use crate::static_data::{
+    Ability, AbilityIndex, Form, Gender, Item, Nature, Species, Statistic, StatisticSet, TypeIdentifier,
+};
+use std::ffi::{c_char, CStr, CString};
+use std::ptr::drop_in_place;
+use std::sync::Arc;
+
+#[no_mangle]
+extern "C" fn pokemon_new(
+    library: ExternPointer<Arc<DynamicLibrary>>,
+    species: ExternPointer<Arc<Species>>,
+    form: ExternPointer<Arc<Form>>,
+    hidden_ability: bool,
+    ability_index: u8,
+    level: LevelInt,
+    unique_identifier: u32,
+    gender: Gender,
+    coloring: u8,
+    nature: *const c_char,
+) -> IdentifiablePointer<Arc<Pokemon>> {
+    let nature = unsafe { CStr::from_ptr(nature) }.into();
+    Arc::new(Pokemon::new(
+        library.as_ref().clone(),
+        species.as_ref().clone(),
+        form.as_ref(),
+        AbilityIndex {
+            hidden: hidden_ability,
+            index: ability_index,
+        },
+        level,
+        unique_identifier,
+        gender,
+        coloring,
+        &nature,
+    ))
+    .into()
+}
+
+#[no_mangle]
+unsafe extern "C" fn pokemon_drop(ptr: OwnedPtr<Arc<Pokemon>>) {
+    drop_in_place(ptr);
+}
+
+#[no_mangle]
+extern "C" fn pokemon_library(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<Arc<DynamicLibrary>> {
+    ptr.as_ref().library().clone().into()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_species(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<Arc<Species>> {
+    ptr.as_ref().species().clone().into()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_form(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<Arc<Form>> {
+    ptr.as_ref().form().clone().into()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_display_species(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<Arc<Species>> {
+    ptr.as_ref().display_species().clone().into()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_display_form(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<Arc<Form>> {
+    ptr.as_ref().display_form().clone().into()
+}
+
+ffi_arc_getter!(Pokemon, level, LevelInt);
+ffi_arc_getter!(Pokemon, experience, u32);
+ffi_arc_getter!(Pokemon, unique_identifier, u32);
+ffi_arc_getter!(Pokemon, gender, Gender);
+ffi_arc_getter!(Pokemon, coloring, u8);
+
+#[no_mangle]
+extern "C" fn pokemon_held_item(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<Arc<Item>> {
+    if let Some(v) = ptr.as_ref().held_item().read().as_ref() {
+        v.clone().into()
+    } else {
+        IdentifiablePointer::none()
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_has_held_item(ptr: ExternPointer<Arc<Pokemon>>, name: *const c_char) -> u8 {
+    let name = unsafe { CStr::from_ptr(name) }.into();
+    if ptr.as_ref().has_held_item(&name) {
+        1
+    } else {
+        0
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_set_held_item(
+    ptr: ExternPointer<Arc<Pokemon>>,
+    item: ExternPointer<Arc<Item>>,
+) -> IdentifiablePointer<Arc<Item>> {
+    if let Some(v) = ptr.as_ref().set_held_item(item.as_ref()) {
+        v.clone().into()
+    } else {
+        IdentifiablePointer::none()
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_remove_held_item(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<Arc<Item>> {
+    if let Some(v) = ptr.as_ref().remove_held_item() {
+        v.clone().into()
+    } else {
+        IdentifiablePointer::none()
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_consume_held_item(ptr: ExternPointer<Arc<Pokemon>>) -> u8 {
+    if ptr.as_ref().consume_held_item() {
+        1
+    } else {
+        0
+    }
+}
+
+ffi_arc_getter!(Pokemon, current_health, u32);
+ffi_arc_getter!(Pokemon, max_health, u32);
+ffi_arc_getter!(Pokemon, weight, f32);
+ffi_arc_getter!(Pokemon, height, f32);
+
+#[no_mangle]
+extern "C" fn pokemon_nickname(ptr: ExternPointer<Arc<Pokemon>>) -> *mut c_char {
+    let name = ptr.as_ref().nickname();
+    if let Some(v) = name {
+        CString::new(v.as_str()).unwrap().into_raw()
+    } else {
+        std::ptr::null_mut()
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_real_ability_is_hidden(ptr: ExternPointer<Arc<Pokemon>>) -> u8 {
+    if ptr.as_ref().real_ability().hidden {
+        1
+    } else {
+        0
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_real_ability_index(ptr: ExternPointer<Arc<Pokemon>>) -> u8 {
+    ptr.as_ref().real_ability().index
+}
+
+ffi_vec_value_getters!(Pokemon, types, TypeIdentifier);
+
+#[no_mangle]
+extern "C" fn pokemon_learned_move_get(
+    ptr: ExternPointer<Arc<Pokemon>>,
+    index: usize,
+) -> IdentifiablePointer<Arc<LearnedMove>> {
+    if let Some(Some(v)) = ptr.as_ref().learned_moves().read().get(index) {
+        v.clone().into()
+    } else {
+        IdentifiablePointer::none()
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_flat_stats(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<StatisticSet<u32>> {
+    (ptr.as_ref().flat_stats() as *const StatisticSet<u32>).into()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_boosted_stats(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<StatisticSet<u32>> {
+    (ptr.as_ref().boosted_stats() as *const StatisticSet<u32>).into()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_get_stat_boost(ptr: ExternPointer<Arc<Pokemon>>, statistic: Statistic) -> i8 {
+    ptr.as_ref().stat_boost(statistic)
+}
+
+#[no_mangle]
+extern "C" fn pokemon_change_stat_boost(
+    ptr: ExternPointer<Arc<Pokemon>>,
+    stat: Statistic,
+    diff_amount: i8,
+    self_inflicted: u8,
+) -> u8 {
+    if ptr.as_ref().change_stat_boost(stat, diff_amount, self_inflicted == 1) {
+        1
+    } else {
+        0
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_get_individual_value(ptr: ExternPointer<Arc<Pokemon>>, stat: Statistic) -> u8 {
+    ptr.as_ref().individual_values().get_stat(stat)
+}
+
+#[no_mangle]
+extern "C" fn pokemon_set_individual_value(ptr: ExternPointer<Arc<Pokemon>>, stat: Statistic, value: u8) {
+    ptr.as_ref().individual_values().set_stat(stat, value);
+    ptr.as_ref().recalculate_flat_stats();
+}
+
+#[no_mangle]
+extern "C" fn pokemon_get_effort_value(ptr: ExternPointer<Arc<Pokemon>>, stat: Statistic) -> u8 {
+    ptr.as_ref().effort_values().get_stat(stat)
+}
+
+#[no_mangle]
+extern "C" fn pokemon_set_effort_value(ptr: ExternPointer<Arc<Pokemon>>, stat: Statistic, value: u8) {
+    ptr.as_ref().effort_values().set_stat(stat, value);
+    ptr.as_ref().recalculate_flat_stats();
+}
+
+#[no_mangle]
+extern "C" fn pokemon_get_battle(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<Battle> {
+    if let Some(v) = ptr.as_ref().get_battle() {
+        (v as *const Battle).into()
+    } else {
+        IdentifiablePointer::none()
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_get_battle_side_index(ptr: ExternPointer<Arc<Pokemon>>) -> u8 {
+    ptr.as_ref().get_battle_side_index().unwrap_or_default()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_get_battle_index(ptr: ExternPointer<Arc<Pokemon>>) -> u8 {
+    ptr.as_ref().get_battle_index().unwrap_or_default()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_is_ability_overriden(ptr: ExternPointer<Arc<Pokemon>>) -> u8 {
+    if ptr.as_ref().is_ability_overriden() {
+        1
+    } else {
+        0
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_active_ability(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<Ability> {
+    (ptr.as_ref().active_ability() as *const Ability).into()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_allowed_experience_gain(ptr: ExternPointer<Arc<Pokemon>>) -> u8 {
+    if ptr.as_ref().allowed_experience_gain() {
+        1
+    } else {
+        0
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_nature(ptr: ExternPointer<Arc<Pokemon>>) -> IdentifiablePointer<Arc<Nature>> {
+    ptr.as_ref().nature().clone().into()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_recalculate_flat_stats(ptr: ExternPointer<Arc<Pokemon>>) {
+    ptr.as_ref().recalculate_flat_stats()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_recalculate_boosted_stats(ptr: ExternPointer<Arc<Pokemon>>) {
+    ptr.as_ref().recalculate_boosted_stats()
+}
+
+#[no_mangle]
+extern "C" fn pokemon_change_species(
+    ptr: ExternPointer<Arc<Pokemon>>,
+    species: ExternPointer<Arc<Species>>,
+    form: ExternPointer<Arc<Form>>,
+) {
+    ptr.as_ref()
+        .change_species(species.as_ref().clone(), form.as_ref().clone())
+}
+
+#[no_mangle]
+extern "C" fn pokemon_change_form(ptr: ExternPointer<Arc<Pokemon>>, form: ExternPointer<Arc<Form>>) {
+    ptr.as_ref().change_form(form.as_ref())
+}
+
+#[no_mangle]
+extern "C" fn pokemon_is_usable(ptr: ExternPointer<Arc<Pokemon>>) -> u8 {
+    if ptr.as_ref().is_usable() {
+        1
+    } else {
+        0
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_is_fainted(ptr: ExternPointer<Arc<Pokemon>>) -> u8 {
+    if ptr.as_ref().is_fainted() {
+        1
+    } else {
+        0
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_is_on_battlefield(ptr: ExternPointer<Arc<Pokemon>>) -> u8 {
+    if ptr.as_ref().is_on_battlefield() {
+        1
+    } else {
+        0
+    }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_damage(ptr: ExternPointer<Arc<Pokemon>>, damage: u32, source: DamageSource) {
+    ptr.as_ref().damage(damage, source)
+}
+
+#[no_mangle]
+extern "C" fn pokemon_heal(ptr: ExternPointer<Arc<Pokemon>>, amount: u32, allow_revive: u8) -> bool {
+    ptr.as_ref().heal(amount, allow_revive == 1)
+}
+
+#[no_mangle]
+extern "C" fn pokemon_learn_move(
+    ptr: ExternPointer<Arc<Pokemon>>,
+    move_name: *const c_char,
+    learn_method: MoveLearnMethod,
+) {
+    unsafe { ptr.as_ref().learn_move(&CStr::from_ptr(move_name).into(), learn_method) }
+}
+
+#[no_mangle]
+extern "C" fn pokemon_clear_status(ptr: ExternPointer<Arc<Pokemon>>) {
+    ptr.as_ref().clear_status()
+}

src/ffi/mod.rs

@@ -110,12 +110,6 @@ impl<T: ?Sized> ExternPointer<T> {
     }
 }
 
-impl<T> Into<ExternPointer<T>> for *mut T {
-    fn into(self) -> ExternPointer<T> {
-        ExternPointer { ptr: self }
-    }
-}
-
 #[repr(C)]
 pub(self) struct IdentifiablePointer<T> {
     pub ptr: *const T,
@@ -128,6 +122,12 @@ impl<T> IdentifiablePointer<T> {
     }
 }
 
+impl<T> Into<ExternPointer<T>> for *mut T {
+    fn into(self) -> ExternPointer<T> {
+        ExternPointer { ptr: self }
+    }
+}
+
 impl<T: ValueIdentifiable> From<Arc<T>> for IdentifiablePointer<Arc<T>> {
     fn from(v: Arc<T>) -> Self {
         let id = v.value_identifier();

src/script_implementations/wasm/export_registry/dynamic_data/pokemon.rs

@@ -65,7 +65,7 @@ register! {
         pokemon: ExternRef<Pokemon>,
     ) -> ExternRef<Species> {
         let species = pokemon.value_func(&env).unwrap().species();
-        ExternRef::func_new(&env, species)
+        ExternRef::func_new(&env, &species)
     }
 
     fn pokemon_get_weight(