A lot of work on type registration

2022-08-14 13:37:17 +02:00 · 2022-08-14 13:37:17 +02:00 · f06d46d854
parent 174137dcf6
commit f06d46d854
39 changed files with 1910 additions and 361 deletions
--- a/.gitignore
+++ b/.gitignore
@ -3,3 +3,4 @@
 Cargo.lock
 bin/
 .idea
+gen7_scripts.wat
--- a/gen_7_scripts/src/test_script.rs
+++ b/gen_7_scripts/src/test_script.rs
@ -1,5 +1,7 @@
 use pkmn_lib_interface::app_interface::list::ImmutableList;
-use pkmn_lib_interface::app_interface::{get_hash, BattleLibrary, DataLibrary, EffectParameter};
+use pkmn_lib_interface::app_interface::{
+    get_hash, DataLibrary, DynamicLibrary, EffectParameter, TurnChoice,
+};
 use pkmn_lib_interface::dbg;
 use pkmn_lib_interface::handling::{Script, ScriptCapabilities};

@ -16,12 +18,15 @@ impl Script for TestScript {
    }

    fn get_capabilities(&self) -> &[ScriptCapabilities] {
-        &[ScriptCapabilities::Initialize]
+        &[
+            ScriptCapabilities::Initialize,
+            ScriptCapabilities::OnBeforeTurn,
+        ]
    }

    fn on_initialize(
        &self,
-        library: &BattleLibrary,
+        library: &DynamicLibrary,
        parameters: Option<ImmutableList<EffectParameter>>,
    ) {
        let l = library.data_library();
@ -32,6 +37,14 @@ impl Script for TestScript {
        dbg!(
            "Found a parameter with value: {}",
            parameters.unwrap().get(0).unwrap()
-        )
+        );
+        if m.has_flag(b"foo") {}
+    }
+
+    fn on_before_turn(&self, choice: TurnChoice) {
+        dbg!(
+            "On before turn for user: {}",
+            choice.user().species().name()
+        );
    }
 }
--- a/pkmn_lib_interface/Cargo.toml
+++ b/pkmn_lib_interface/Cargo.toml
@ -6,7 +6,7 @@ edition = "2018"

 [dependencies]
 wee_alloc = "0.4.5"
-cstr_core = { version = "0.2.5", features = ["nightly"]}
+cstr_core = { version = "0.2.6", features = ["nightly"]}
 lazy_static = { version = "1.4.0", features = ["spin_no_std"] }
 enumflags2 = { version = "0.7.5", default-features = false }
 spin = { version = "0.9.4", default-features = false, features = ["rwlock"] }
@ -14,6 +14,4 @@ paste = { version = "1.0.7" }

 [dev-dependencies]

-[profile.dev]
-lto = false

--- a/pkmn_lib_interface/src/app_interface/battling/battle_library.rs
+++ b/pkmn_lib_interface/src/app_interface/battling/battle_library.rs
@ -1,18 +0,0 @@
-use crate::app_interface::StaticData;
-use crate::{impl_extern_ctor, ExternRef};
-
-pub struct BattleLibrary {
-    ptr: ExternRef<BattleLibrary>,
-}
-
-impl_extern_ctor!(BattleLibrary);
-
-impl BattleLibrary {
-    pub fn data_library(&self) -> StaticData {
-        unsafe { StaticData::new(battle_library_get_static_data(self.ptr)) }
-    }
-}
-
-extern "wasm" {
-    fn battle_library_get_static_data(ptr: ExternRef<BattleLibrary>) -> ExternRef<StaticData>;
-}
--- a/pkmn_lib_interface/src/app_interface/battling/mod.rs
+++ b/pkmn_lib_interface/src/app_interface/battling/mod.rs
@ -1,5 +0,0 @@
-mod battle_library;
-mod turn_choices;
-
-pub use battle_library::BattleLibrary;
-pub use turn_choices::*;
--- a/pkmn_lib_interface/src/app_interface/battling/turn_choices.rs
+++ b/pkmn_lib_interface/src/app_interface/battling/turn_choices.rs
@ -1 +0,0 @@
-pub struct BaseTurnChoice {}
--- a/pkmn_lib_interface/src/app_interface/dynamic_data/battle.rs
+++ b/pkmn_lib_interface/src/app_interface/dynamic_data/battle.rs
@ -0,0 +1,72 @@
+use crate::app_interface::{BattleParty, BattleRandom, BattleSide, Pokemon};
+use crate::handling::cached_value::CachedValue;
+use crate::handling::Cacheable;
+use crate::{
+    cached_value, cached_value_getters, wasm_value_getters, DynamicLibrary, ExternRef,
+    ExternalReferenceType, ImmutableList, VecExternRef,
+};
+use alloc::rc::Rc;
+
+struct BattleInner {
+    reference: ExternRef<Battle>,
+    library: CachedValue<DynamicLibrary>,
+    parties: CachedValue<ImmutableList<BattleParty>>,
+    sides: CachedValue<ImmutableList<BattleSide>>,
+    random: CachedValue<BattleRandom>,
+}
+
+#[derive(Clone)]
+pub struct Battle {
+    inner: Rc<BattleInner>,
+}
+
+impl Battle {
+    pub fn new(reference: ExternRef<Battle>) -> Self {
+        Self::from_ref(reference, &|reference| Self {
+            inner: Rc::new(BattleInner {
+                reference,
+                library: cached_value!({ battle_get_library(reference).get_value().unwrap() }),
+                parties: cached_value!({ battle_get_parties(reference).get_immutable_list() }),
+                sides: cached_value!({ battle_get_sides(reference).get_immutable_list() }),
+                random: cached_value!({ battle_get_random(reference).get_value().unwrap() }),
+            }),
+        })
+    }
+
+    cached_value_getters! {
+        pub fn library(&self) -> DynamicLibrary;
+        pub fn parties(&self) -> ImmutableList<BattleParty>;
+        pub fn sides(&self) -> ImmutableList<BattleSide>;
+    }
+
+    pub fn get_pokemon(&self, side: u8, index: u8) -> Option<Pokemon> {
+        unsafe { battle_get_pokemon(self.inner.reference, side, index).get_value() }
+    }
+}
+
+wasm_value_getters! {
+    Battle,
+    pub fn can_flee(&self) -> bool;
+    pub fn number_of_sides(&self) -> u8;
+    pub fn pokemon_per_side(&self) -> u8;
+    pub fn has_ended(&self) -> bool;
+    pub fn has_ended_conclusively(&self) -> bool;
+    pub fn winning_side(&self) -> u8;
+    pub fn current_turn(&self) -> u32;
+}
+
+crate::handling::cacheable::cacheable!(Battle);
+
+impl ExternalReferenceType for Battle {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+extern "wasm" {
+    fn battle_get_library(r: ExternRef<Battle>) -> ExternRef<DynamicLibrary>;
+    fn battle_get_parties(r: ExternRef<Battle>) -> VecExternRef<BattleParty>;
+    fn battle_get_sides(r: ExternRef<Battle>) -> VecExternRef<BattleSide>;
+    fn battle_get_random(r: ExternRef<Battle>) -> ExternRef<BattleRandom>;
+    fn battle_get_pokemon(r: ExternRef<Battle>, side: u8, index: u8) -> ExternRef<Pokemon>;
+}
--- a/pkmn_lib_interface/src/app_interface/dynamic_data/battle_party.rs
+++ b/pkmn_lib_interface/src/app_interface/dynamic_data/battle_party.rs
@ -0,0 +1,42 @@
+use crate::app_interface::Party;
+use crate::handling::cached_value::CachedValue;
+use crate::handling::Cacheable;
+use crate::{cached_value, cached_value_getters, ExternRef, ExternalReferenceType};
+use alloc::rc::Rc;
+
+struct BattlePartyInner {
+    reference: ExternRef<BattleParty>,
+    party: CachedValue<Party>,
+}
+
+#[derive(Clone)]
+pub struct BattleParty {
+    inner: Rc<BattlePartyInner>,
+}
+
+impl BattleParty {
+    pub fn new(reference: ExternRef<BattleParty>) -> Self {
+        Self::from_ref(reference, &|reference| Self {
+            inner: Rc::new(BattlePartyInner {
+                reference,
+                party: cached_value!({ battle_party_get_party(reference).get_value().unwrap() }),
+            }),
+        })
+    }
+
+    cached_value_getters! {
+        pub fn party(&self) -> Party;
+    }
+}
+
+crate::handling::cacheable::cacheable!(BattleParty);
+
+impl ExternalReferenceType for BattleParty {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+extern "wasm" {
+    fn battle_party_get_party(r: ExternRef<BattleParty>) -> ExternRef<Party>;
+}
--- a/pkmn_lib_interface/src/app_interface/dynamic_data/battle_random.rs
+++ b/pkmn_lib_interface/src/app_interface/dynamic_data/battle_random.rs
@ -0,0 +1,32 @@
+use crate::{ExternRef, ExternalReferenceType};
+
+#[derive(Clone)]
+pub struct BattleRandom {
+    reference: ExternRef<Self>,
+}
+
+impl BattleRandom {
+    pub fn get(&self) -> i32 {
+        unsafe { battle_random_get(self.reference) }
+    }
+    pub fn get_max(&self, max: i32) -> i32 {
+        unsafe { battle_random_get_max(self.reference, max) }
+    }
+    pub fn get_between(&self, min: i32, max: i32) -> i32 {
+        unsafe { battle_random_get_between(self.reference, min, max) }
+    }
+    // TODO: effect_chance()
+}
+
+impl ExternalReferenceType for BattleRandom {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self { reference }
+    }
+}
+
+extern "wasm" {
+    fn battle_random_get(r: ExternRef<BattleRandom>) -> i32;
+    fn battle_random_get_max(r: ExternRef<BattleRandom>, max: i32) -> i32;
+    fn battle_random_get_between(r: ExternRef<BattleRandom>, min: i32, max: i32) -> i32;
+
+}
--- a/pkmn_lib_interface/src/app_interface/dynamic_data/battle_side.rs
+++ b/pkmn_lib_interface/src/app_interface/dynamic_data/battle_side.rs
@ -0,0 +1,63 @@
+use crate::app_interface::{Battle, Pokemon};
+use crate::handling::cached_value::CachedValue;
+use crate::handling::Cacheable;
+use crate::{
+    cached_value, cached_value_getters, wasm_value_getters, ExternRef, ExternalReferenceType,
+};
+use alloc::rc::Rc;
+
+struct BattleSideInner {
+    reference: ExternRef<BattleSide>,
+    side_index: CachedValue<u8>,
+    pokemon_per_side: CachedValue<u8>,
+    battle: CachedValue<Battle>,
+}
+
+#[derive(Clone)]
+pub struct BattleSide {
+    inner: Rc<BattleSideInner>,
+}
+
+impl BattleSide {
+    pub fn new(reference: ExternRef<Self>) -> Self {
+        Self::from_ref(reference, &|reference| Self {
+            inner: Rc::new(BattleSideInner {
+                reference,
+                side_index: cached_value!({ battleside_get_side_index(reference) }),
+                pokemon_per_side: cached_value!({ battleside_get_pokemon_per_side(reference) }),
+                battle: cached_value!({ battleside_get_battle(reference).get_value().unwrap() }),
+            }),
+        })
+    }
+
+    cached_value_getters! {
+        pub fn side_index(&self) -> u8;
+        pub fn pokemon_per_side(&self) -> u8;
+        pub fn battle(&self) -> Battle;
+    }
+
+    pub fn get_pokemon(&self, index: usize) -> Option<Pokemon> {
+        unsafe { battleside_get_pokemon(self.inner.reference, index).get_value() }
+    }
+}
+
+wasm_value_getters! {
+    BattleSide,
+    pub fn has_fled_battle(&self) -> bool;
+    pub fn is_defeated(&self) -> bool;
+}
+
+crate::handling::cacheable::cacheable!(BattleSide);
+
+impl ExternalReferenceType for BattleSide {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+extern "wasm" {
+    fn battleside_get_side_index(r: ExternRef<BattleSide>) -> u8;
+    fn battleside_get_pokemon_per_side(r: ExternRef<BattleSide>) -> u8;
+    fn battleside_get_battle(r: ExternRef<BattleSide>) -> ExternRef<Battle>;
+    fn battleside_get_pokemon(r: ExternRef<BattleSide>, index: usize) -> ExternRef<Pokemon>;
+}
--- a/pkmn_lib_interface/src/app_interface/dynamic_data/dynamic_library.rs
+++ b/pkmn_lib_interface/src/app_interface/dynamic_data/dynamic_library.rs
@ -0,0 +1,44 @@
+use crate::app_interface::StaticData;
+use crate::handling::cached_value::CachedValue;
+use crate::handling::Cacheable;
+use crate::{cached_value, ExternRef, ExternalReferenceType};
+use alloc::rc::Rc;
+
+struct DynamicLibraryInner {
+    ptr: ExternRef<DynamicLibrary>,
+    static_data: CachedValue<StaticData>,
+}
+
+#[derive(Clone)]
+pub struct DynamicLibrary {
+    inner: Rc<DynamicLibraryInner>,
+}
+
+crate::handling::cacheable::cacheable!(DynamicLibrary);
+
+impl DynamicLibrary {
+    pub(crate) fn new(ptr: ExternRef<Self>) -> Self {
+        Self::from_ref(ptr, &|ptr| Self {
+            inner: Rc::new(DynamicLibraryInner {
+                ptr,
+                static_data: cached_value!({
+                    dynamic_library_get_static_data(ptr).get_value().unwrap()
+                }),
+            }),
+        })
+    }
+
+    pub fn data_library(&self) -> StaticData {
+        self.inner.static_data.value()
+    }
+}
+
+impl ExternalReferenceType for DynamicLibrary {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        DynamicLibrary::new(reference)
+    }
+}
+
+extern "wasm" {
+    fn dynamic_library_get_static_data(ptr: ExternRef<DynamicLibrary>) -> ExternRef<StaticData>;
+}
--- a/pkmn_lib_interface/src/app_interface/dynamic_data/learned_move.rs
+++ b/pkmn_lib_interface/src/app_interface/dynamic_data/learned_move.rs
@ -0,0 +1,81 @@
+use crate::app_interface::MoveData;
+use crate::handling::cacheable::Cacheable;
+use crate::handling::cached_value::CachedValue;
+use crate::{
+    cached_value, cached_value_getters, wasm_value_getters, ExternRef, ExternalReferenceType,
+};
+
+use alloc::rc::Rc;
+
+struct LearnedMoveInner {
+    reference: ExternRef<LearnedMove>,
+    move_data: CachedValue<MoveData>,
+    learn_method: CachedValue<MoveLearnMethod>,
+}
+
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(u8)]
+pub enum MoveLearnMethod {
+    /// We do not know the learn method.
+    #[default]
+    Unknown = 0,
+    /// The move was learned through level up.
+    Level = 1,
+}
+
+#[derive(Clone)]
+pub struct LearnedMove {
+    inner: Rc<LearnedMoveInner>,
+}
+
+crate::handling::cacheable::cacheable!(LearnedMove);
+
+impl ExternalReferenceType for LearnedMove {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+impl LearnedMove {
+    pub fn new(reference: ExternRef<Self>) -> Self {
+        Self::from_ref(reference, &|reference| Self {
+            inner: Rc::new(LearnedMoveInner {
+                reference,
+                move_data: cached_value!({
+                    learned_move_get_move_data(reference).get_value().unwrap()
+                }),
+                learn_method: cached_value!({ learned_move_get_learn_method(reference) }),
+            }),
+        })
+    }
+
+    cached_value_getters! {
+        pub fn move_data(&self) -> MoveData;
+        pub fn learn_method(&self) -> MoveLearnMethod;
+    }
+
+    pub fn restore_all_uses(&self) {
+        unsafe {
+            learned_move_restore_all_uses(self.inner.reference);
+        }
+    }
+
+    pub fn restore_uses(&self, uses: u8) {
+        unsafe {
+            learned_move_restore_uses(self.inner.reference, uses);
+        }
+    }
+}
+
+wasm_value_getters! {
+    LearnedMove,
+    pub fn max_pp(&self) -> u8;
+    pub fn remaining_pp(&self) -> u8;
+}
+
+extern "wasm" {
+    fn learned_move_get_move_data(r: ExternRef<LearnedMove>) -> ExternRef<MoveData>;
+    fn learned_move_get_learn_method(r: ExternRef<LearnedMove>) -> MoveLearnMethod;
+    fn learned_move_restore_uses(r: ExternRef<LearnedMove>, uses: u8);
+    fn learned_move_restore_all_uses(r: ExternRef<LearnedMove>);
+}
--- a/pkmn_lib_interface/src/app_interface/dynamic_data/mod.rs
+++ b/pkmn_lib_interface/src/app_interface/dynamic_data/mod.rs
@ -0,0 +1,21 @@
+mod battle;
+mod battle_party;
+mod battle_random;
+mod battle_side;
+mod dynamic_library;
+mod learned_move;
+mod party;
+mod pokemon;
+mod statistic_set;
+mod turn_choices;
+
+pub use battle::*;
+pub use battle_party::*;
+pub use battle_random::*;
+pub use battle_side::*;
+pub use dynamic_library::DynamicLibrary;
+pub use learned_move::*;
+pub use party::*;
+pub use pokemon::*;
+pub use statistic_set::*;
+pub use turn_choices::*;
--- a/pkmn_lib_interface/src/app_interface/dynamic_data/party.rs
+++ b/pkmn_lib_interface/src/app_interface/dynamic_data/party.rs
@ -0,0 +1,27 @@
+use crate::app_interface::Pokemon;
+use crate::{ExternRef, ExternalReferenceType};
+
+#[derive(Clone)]
+pub struct Party {
+    reference: ExternRef<Party>,
+}
+
+impl Party {
+    pub fn new(reference: ExternRef<Party>) -> Self {
+        Self { reference }
+    }
+
+    pub fn get_pokemon(&self, index: usize) -> Option<Pokemon> {
+        unsafe { party_get_pokemon(self.reference, index).get_value() }
+    }
+}
+
+impl ExternalReferenceType for Party {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+extern "wasm" {
+    fn party_get_pokemon(r: ExternRef<Party>, index: usize) -> ExternRef<Pokemon>;
+}
--- a/pkmn_lib_interface/src/app_interface/dynamic_data/pokemon.rs
+++ b/pkmn_lib_interface/src/app_interface/dynamic_data/pokemon.rs
@ -0,0 +1,236 @@
+use crate::app_interface::ability::{Ability, AbilityIndex};
+use crate::app_interface::{
+    Battle, ClampedStatisticSet, Form, Gender, Item, LearnedMove, LevelInt, Nature, Species,
+    Statistic, StatisticSet,
+};
+use crate::handling::cached_value::CachedValue;
+use crate::handling::Cacheable;
+use crate::{
+    cached_value, cached_value_getters, wasm_optional_reference_getters, wasm_reference_getters,
+    wasm_value_getters, DynamicLibrary, ExternRef, ExternalReferenceType, Script,
+};
+use alloc::boxed::Box;
+use alloc::rc::Rc;
+use cstr_core::{c_char, CString};
+
+struct PokemonInner {
+    reference: ExternRef<Pokemon>,
+    library: CachedValue<DynamicLibrary>,
+    // We cache the reference to the data, not the values stored inside, which are dynamic.
+    flat_stats: CachedValue<StatisticSet<u32>>,
+    // We cache the reference to the data, not the values stored inside, which are dynamic.
+    stat_boosts: CachedValue<ClampedStatisticSet<i8>>,
+    // We cache the reference to the data, not the values stored inside, which are dynamic.
+    boosted_stats: CachedValue<StatisticSet<u32>>,
+    // We cache the reference to the data, not the values stored inside, which are dynamic.
+    individual_values: CachedValue<ClampedStatisticSet<u8>>,
+    // We cache the reference to the data, not the values stored inside, which are dynamic.
+    effort_values: CachedValue<ClampedStatisticSet<u8>>,
+}
+
+#[derive(Clone)]
+pub struct Pokemon {
+    inner: Rc<PokemonInner>,
+}
+
+impl Pokemon {
+    pub(crate) fn new(reference: ExternRef<Self>) -> Self {
+        Self::from_ref(reference, &|reference| Self {
+            inner: Rc::new(PokemonInner {
+                reference,
+                library: cached_value!({ pokemon_get_library(reference).get_value().unwrap() }),
+                flat_stats: cached_value!({
+                    pokemon_get_flat_stats(reference).get_value().unwrap()
+                }),
+                stat_boosts: cached_value!({
+                    pokemon_get_stat_boosts(reference).get_value().unwrap()
+                }),
+                boosted_stats: cached_value!({
+                    pokemon_get_boosted_stats(reference).get_value().unwrap()
+                }),
+                individual_values: cached_value!({
+                    pokemon_get_individual_values(reference)
+                        .get_value()
+                        .unwrap()
+                }),
+                effort_values: cached_value!({
+                    pokemon_get_effort_values(reference).get_value().unwrap()
+                }),
+            }),
+        })
+    }
+
+    cached_value_getters! {
+        pub fn library(&self) -> DynamicLibrary;
+        pub fn flat_stats(&self) -> StatisticSet<u32>;
+        pub fn stat_boosts(&self) -> ClampedStatisticSet<i8>;
+        pub fn boosted_stats(&self) -> StatisticSet<u32>;
+        pub fn individual_values(&self) -> ClampedStatisticSet<u8>;
+        pub fn effort_values(&self) -> ClampedStatisticSet<u8>;
+    }
+
+    pub fn has_held_item(&self, name: &str) -> bool {
+        let cstr = CString::new(name).unwrap();
+        unsafe { pokemon_has_held_item(self.inner.reference, cstr.as_ptr()) }
+    }
+
+    pub fn set_held_item(&self, item: &Item) -> Option<Item> {
+        unsafe { pokemon_set_held_item(self.inner.reference, item.reference()).get_value() }
+    }
+
+    pub fn remove_held_item(&self) -> Option<Item> {
+        unsafe { pokemon_remove_held_item(self.inner.reference).get_value() }
+    }
+
+    pub fn consume_held_item(&self) -> bool {
+        unsafe { pokemon_consume_held_item(self.inner.reference) }
+    }
+
+    pub fn max_health(&self) -> u32 {
+        self.boosted_stats().hp()
+    }
+
+    pub fn get_type(&self, index: usize) -> u8 {
+        unsafe { pokemon_get_type(self.inner.reference, index) }
+    }
+    pub fn has_type(&self, type_identifier: u8) -> bool {
+        unsafe { pokemon_has_type(self.inner.reference, type_identifier) }
+    }
+    pub fn has_type_by_name(&self, type_name: &str) -> bool {
+        let type_identifier = self
+            .library()
+            .data_library()
+            .type_library()
+            .get_type_from_name(type_name);
+        if let Some(type_identifier) = type_identifier {
+            return self.has_type(type_identifier);
+        }
+        false
+    }
+    pub fn get_learned_move(&self, index: usize) -> Option<LearnedMove> {
+        unsafe { pokemon_get_learned_move(self.inner.reference, index).get_value() }
+    }
+    pub fn change_stat_boost(
+        &self,
+        stat: Statistic,
+        diff_amount: i8,
+        self_inflicted: bool,
+    ) -> bool {
+        unsafe {
+            pokemon_change_stat_boost(self.inner.reference, stat, diff_amount, self_inflicted)
+        }
+    }
+
+    pub fn ability_script(&self) -> Option<&Box<dyn Script>> {
+        unsafe { pokemon_get_ability_script(self.inner.reference).as_ref() }
+    }
+
+    pub fn change_species(&self, species: Species, form: Form) {
+        unsafe {
+            pokemon_change_species(self.inner.reference, species.reference(), form.reference());
+        }
+    }
+
+    pub fn change_form(&self, form: Form) {
+        unsafe {
+            pokemon_change_form(self.inner.reference, form.reference());
+        }
+    }
+
+    pub fn is_fainted(&self) -> bool {
+        self.current_health() == 0
+    }
+
+    pub fn damage(&self, damage: u32, source: DamageSource) {
+        unsafe { pokemon_damage(self.inner.reference, damage, source) }
+    }
+
+    pub fn heal(&self, amount: u32, allow_revive: bool) -> bool {
+        unsafe { pokemon_heal(self.inner.reference, amount, allow_revive) }
+    }
+}
+
+wasm_reference_getters! {
+    Pokemon,
+    pub fn species(&self) -> Species;
+    pub fn form(&self) -> Form;
+    pub fn active_ability(&self) -> Ability;
+    pub fn nature(&self) -> Nature;
+}
+
+wasm_optional_reference_getters! {
+    Pokemon,
+    pub fn display_species(&self) -> Option<Species>;
+    pub fn display_form(&self) -> Option<Form>;
+    pub fn held_item(&self) -> Option<Item>;
+    pub fn battle(&self) -> Option<Battle>;
+}
+
+wasm_value_getters! {
+    Pokemon,
+    pub fn level(&self) -> LevelInt;
+    pub fn experience(&self) -> u32;
+    pub fn unique_identifier(&self) -> u32;
+    pub fn gender(&self) -> Gender;
+    pub fn coloring(&self) -> u8;
+    pub fn current_health(&self) -> u32;
+    pub fn weight(&self) -> f32;
+    pub fn height(&self) -> f32;
+    pub fn nickname(&self) -> *const c_char;
+    pub fn real_ability(&self) -> AbilityIndex;
+    pub fn types_length(&self) -> usize;
+    pub fn battle_side_index(&self) -> u8;
+    pub fn battle_index(&self) -> u8;
+    pub fn is_ability_overriden(&self) -> u8;
+    pub fn allowed_experience_gain(&self) -> bool;
+    pub fn is_usable(&self) -> bool;
+}
+
+/// A source of damage. This should be as unique as possible.
+#[derive(Debug, Clone, Copy)]
+#[repr(u8)]
+pub enum DamageSource {
+    /// The damage is done by a move.
+    MoveDamage = 0,
+    /// The damage is done by something else.
+    Misc = 1,
+}
+
+crate::handling::cacheable::cacheable!(Pokemon);
+
+impl ExternalReferenceType for Pokemon {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+extern "wasm" {
+    fn pokemon_get_library(r: ExternRef<Pokemon>) -> ExternRef<DynamicLibrary>;
+    fn pokemon_get_flat_stats(r: ExternRef<Pokemon>) -> ExternRef<StatisticSet<u32>>;
+    fn pokemon_get_stat_boosts(r: ExternRef<Pokemon>) -> ExternRef<ClampedStatisticSet<i8>>;
+    fn pokemon_get_boosted_stats(r: ExternRef<Pokemon>) -> ExternRef<StatisticSet<u32>>;
+    fn pokemon_get_individual_values(r: ExternRef<Pokemon>) -> ExternRef<ClampedStatisticSet<u8>>;
+    fn pokemon_get_effort_values(r: ExternRef<Pokemon>) -> ExternRef<ClampedStatisticSet<u8>>;
+    fn pokemon_has_held_item(r: ExternRef<Pokemon>, name: *const c_char) -> bool;
+    fn pokemon_set_held_item(r: ExternRef<Pokemon>, item: ExternRef<Item>) -> ExternRef<Item>;
+    fn pokemon_remove_held_item(r: ExternRef<Pokemon>) -> ExternRef<Item>;
+    fn pokemon_consume_held_item(r: ExternRef<Pokemon>) -> bool;
+    fn pokemon_get_type(r: ExternRef<Pokemon>, index: usize) -> u8;
+    fn pokemon_has_type(r: ExternRef<Pokemon>, identifier: u8) -> bool;
+    fn pokemon_get_learned_move(r: ExternRef<Pokemon>, index: usize) -> ExternRef<LearnedMove>;
+    fn pokemon_change_stat_boost(
+        r: ExternRef<Pokemon>,
+        tat: Statistic,
+        diff_amount: i8,
+        self_inflicted: bool,
+    ) -> bool;
+    fn pokemon_get_ability_script(r: ExternRef<Pokemon>) -> *const Box<dyn Script>;
+    fn pokemon_change_species(
+        r: ExternRef<Pokemon>,
+        species: ExternRef<Species>,
+        form: ExternRef<Form>,
+    );
+    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;
+}
--- a/pkmn_lib_interface/src/app_interface/dynamic_data/statistic_set.rs
+++ b/pkmn_lib_interface/src/app_interface/dynamic_data/statistic_set.rs
@ -0,0 +1,194 @@
+use crate::app_interface::Statistic;
+use crate::{ExternRef, ExternalReferenceType};
+use core::convert::{TryFrom, TryInto};
+use core::fmt::Debug;
+use core::marker::PhantomData;
+
+#[derive(Clone)]
+pub struct StatisticSet<T>
+where
+    T: TryFrom<i64>,
+    T: TryInto<i64>,
+{
+    reference: ExternRef<Self>,
+    _p: PhantomData<T>,
+}
+
+impl<T> StatisticSet<T>
+where
+    T: TryFrom<i64>,
+    T: TryInto<i64>,
+    <T as TryFrom<i64>>::Error: Debug,
+    <T as TryInto<i64>>::Error: Debug,
+{
+    pub(crate) fn new(reference: ExternRef<Self>) -> Self {
+        Self {
+            reference,
+            _p: Default::default(),
+        }
+    }
+
+    pub fn hp(&self) -> T {
+        self.get_stat(Statistic::HP)
+    }
+    pub fn attack(&self) -> T {
+        self.get_stat(Statistic::Attack)
+    }
+    pub fn defense(&self) -> T {
+        self.get_stat(Statistic::Defense)
+    }
+    pub fn special_attack(&self) -> T {
+        self.get_stat(Statistic::SpecialAttack)
+    }
+    pub fn special_defense(&self) -> T {
+        self.get_stat(Statistic::SpecialDefense)
+    }
+    pub fn speed(&self) -> T {
+        self.get_stat(Statistic::Speed)
+    }
+
+    pub fn get_stat(&self, stat: Statistic) -> T {
+        unsafe {
+            statistic_set_get(self.reference.cast(), stat)
+                .try_into()
+                .unwrap()
+        }
+    }
+
+    pub fn set_stat(&self, stat: Statistic, value: T) {
+        unsafe { statistic_set_set(self.reference.cast(), stat, value.try_into().unwrap()) }
+    }
+
+    pub fn increase_stat(&self, stat: Statistic, value: T) {
+        unsafe {
+            statistic_set_increase_stat(self.reference.cast(), stat, value.try_into().unwrap())
+        }
+    }
+    pub fn decrease_stat(&self, stat: Statistic, value: T) {
+        unsafe {
+            statistic_set_decrease_stat(self.reference.cast(), stat, value.try_into().unwrap())
+        }
+    }
+}
+
+impl<T> ExternalReferenceType for StatisticSet<T>
+where
+    T: TryFrom<i64>,
+    T: TryInto<i64>,
+    <T as TryFrom<i64>>::Error: Debug,
+    <T as TryInto<i64>>::Error: Debug,
+{
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        StatisticSet::<T>::new(reference)
+    }
+}
+
+#[derive(Clone)]
+pub struct ClampedStatisticSet<T>
+where
+    T: TryFrom<i64>,
+    T: TryInto<i64>,
+{
+    reference: ExternRef<Self>,
+    _p: PhantomData<T>,
+}
+
+impl<T> ClampedStatisticSet<T>
+where
+    T: TryFrom<i64>,
+    T: TryInto<i64>,
+    <T as TryFrom<i64>>::Error: Debug,
+    <T as TryInto<i64>>::Error: Debug,
+{
+    pub(crate) fn new(reference: ExternRef<Self>) -> Self {
+        Self {
+            reference,
+            _p: Default::default(),
+        }
+    }
+    pub fn hp(&self) -> T {
+        self.get_stat(Statistic::HP)
+    }
+    pub fn attack(&self) -> T {
+        self.get_stat(Statistic::Attack)
+    }
+    pub fn defense(&self) -> T {
+        self.get_stat(Statistic::Defense)
+    }
+    pub fn special_attack(&self) -> T {
+        self.get_stat(Statistic::SpecialAttack)
+    }
+    pub fn special_defense(&self) -> T {
+        self.get_stat(Statistic::SpecialDefense)
+    }
+    pub fn speed(&self) -> T {
+        self.get_stat(Statistic::Speed)
+    }
+
+    pub fn get_stat(&self, stat: Statistic) -> T {
+        unsafe {
+            clamped_statistic_set_get(self.reference.cast(), stat)
+                .try_into()
+                .unwrap()
+        }
+    }
+
+    pub fn set_stat(&self, stat: Statistic, value: T) {
+        unsafe { clamped_statistic_set_set(self.reference.cast(), stat, value.try_into().unwrap()) }
+    }
+
+    pub fn increase_stat(&self, stat: Statistic, value: T) -> bool {
+        unsafe {
+            clamped_statistic_set_increase_stat(
+                self.reference.cast(),
+                stat,
+                value.try_into().unwrap(),
+            )
+        }
+    }
+    pub fn decrease_stat(&self, stat: Statistic, value: T) -> bool {
+        unsafe {
+            clamped_statistic_set_decrease_stat(
+                self.reference.cast(),
+                stat,
+                value.try_into().unwrap(),
+            )
+        }
+    }
+}
+
+impl<T> ExternalReferenceType for ClampedStatisticSet<T>
+where
+    T: TryFrom<i64>,
+    T: TryInto<i64>,
+    <T as TryFrom<i64>>::Error: Debug,
+    <T as TryInto<i64>>::Error: Debug,
+{
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        ClampedStatisticSet::<T>::new(reference)
+    }
+}
+
+extern "wasm" {
+    fn statistic_set_get(r: ExternRef<StatisticSet<i64>>, stat: Statistic) -> i64;
+    fn statistic_set_set(r: ExternRef<StatisticSet<i64>>, stat: Statistic, value: i64);
+    fn statistic_set_increase_stat(r: ExternRef<StatisticSet<i64>>, stat: Statistic, value: i64);
+    fn statistic_set_decrease_stat(r: ExternRef<StatisticSet<i64>>, stat: Statistic, value: i64);
+
+    fn clamped_statistic_set_get(r: ExternRef<ClampedStatisticSet<i64>>, stat: Statistic) -> i64;
+    fn clamped_statistic_set_set(
+        r: ExternRef<ClampedStatisticSet<i64>>,
+        stat: Statistic,
+        value: i64,
+    );
+    fn clamped_statistic_set_increase_stat(
+        r: ExternRef<ClampedStatisticSet<i64>>,
+        stat: Statistic,
+        value: i64,
+    ) -> bool;
+    fn clamped_statistic_set_decrease_stat(
+        r: ExternRef<ClampedStatisticSet<i64>>,
+        stat: Statistic,
+        value: i64,
+    ) -> bool;
+}
--- a/pkmn_lib_interface/src/app_interface/dynamic_data/turn_choices.rs
+++ b/pkmn_lib_interface/src/app_interface/dynamic_data/turn_choices.rs
@ -0,0 +1,78 @@
+use crate::app_interface::Pokemon;
+use crate::handling::cached_value::CachedValue;
+use crate::handling::temporary::Temporary;
+use crate::{cached_value, ExternRef, ExternalReferenceType};
+use alloc::rc::Rc;
+
+struct BaseTurnChoiceData {
+    reference: ExternRef<TurnChoice>,
+    user: CachedValue<Pokemon>,
+}
+
+struct MoveTurnChoiceDataInner {
+    base: BaseTurnChoiceData,
+}
+#[derive(Clone)]
+struct MoveTurnChoiceDataTemporary {
+    inner: Rc<MoveTurnChoiceDataInner>,
+}
+pub struct MoveTurnChoiceData {
+    temp: Temporary<MoveTurnChoiceDataTemporary>,
+}
+
+pub enum TurnChoice {
+    Move(MoveTurnChoiceData),
+    Item(),
+    Switch(),
+    Flee,
+    Pass,
+}
+
+impl TurnChoice {
+    pub fn user(&self) -> Pokemon {
+        match self {
+            TurnChoice::Move(data) => data.temp.value().inner.base.user.value(),
+            _ => panic!("Unknown turn choice type"),
+        }
+    }
+}
+
+impl ExternalReferenceType for TurnChoice {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        let kind = unsafe { turn_choice_get_kind(reference) };
+        match kind {
+            0 => TurnChoice::Move(MoveTurnChoiceData {
+                temp: Temporary::from_reference(reference.cast()),
+            }),
+            _ => panic!("Unknown turn choice type"),
+        }
+    }
+}
+
+impl ExternalReferenceType for MoveTurnChoiceDataTemporary {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self {
+            inner: Rc::new(MoveTurnChoiceDataInner {
+                base: BaseTurnChoiceData {
+                    reference: reference.cast(),
+                    user: cached_value!({
+                        turn_choice_get_user(reference.cast()).get_value().unwrap()
+                    }),
+                },
+            }),
+        }
+    }
+}
+
+extern "wasm" {
+    fn turn_choice_get_kind(r: ExternRef<TurnChoice>) -> u8;
+    fn turn_choice_get_user(r: ExternRef<TurnChoice>) -> ExternRef<Pokemon>;
+}
+
+#[no_mangle]
+unsafe extern "wasm" fn turn_choice_mark_deleted(r: ExternRef<TurnChoice>, kind: u8) {
+    match kind {
+        0 => Temporary::<MoveTurnChoiceDataTemporary>::mark_as_deleted(r.cast()),
+        _ => panic!("Unknown turn choice type"),
+    }
+}
--- a/pkmn_lib_interface/src/app_interface/library/data_libraries/mod.rs
+++ b/pkmn_lib_interface/src/app_interface/library/data_libraries/mod.rs
@ -1,73 +0,0 @@
-use crate::{impl_extern_ctor, ExternRef, ExternalReferenceType, StringKey};
-use alloc::collections::BTreeMap;
-use move_library::MoveLibrary;
-use spin::rwlock::RwLock;
-
-pub mod item_library;
-pub mod move_library;
-
-use crate::handling::Cacheable;
-pub use item_library::*;
-pub use move_library::*;
-
-pub struct StaticData {
-    ptr: ExternRef<Self>,
-}
-
-impl_extern_ctor!(StaticData);
-impl StaticData {
-    pub fn move_library(&self) -> MoveLibrary {
-        unsafe { MoveLibrary::new(static_data_get_move_library(self.ptr)) }
-    }
-}
-
-extern "wasm" {
-    fn static_data_get_move_library(ptr: ExternRef<StaticData>) -> ExternRef<MoveLibrary>;
-}
-
-pub trait DataLibrary<T>: Cacheable
-where
-    T: ExternalReferenceType,
-    T: Clone,
-{
-    fn get_cache(&self) -> &RwLock<BTreeMap<u32, T>>;
-    fn get_self_ref(&self) -> ExternRef<Self>
-    where
-        Self: Sized;
-    fn _get_ref_by_name(ptr: ExternRef<Self>, name: ExternRef<StringKey>) -> ExternRef<T>
-    where
-        Self: Sized;
-    fn _get_ref_by_hash(ptr: ExternRef<Self>, hash: u32) -> ExternRef<T>
-    where
-        Self: Sized;
-
-    fn get(&self, name: &StringKey) -> Option<T>
-    where
-        Self: Sized,
-    {
-        if let Some(v) = self.get_cache().read().get(&name.hash()) {
-            return Some(v.clone());
-        }
-
-        let v = Self::_get_ref_by_name(self.get_self_ref(), name.ptr()).get_value();
-        if let Some(v) = &v {
-            self.get_cache().write().insert(name.hash(), v.clone());
-        }
-        v
-    }
-
-    fn get_by_hash(&self, hash: u32) -> Option<T>
-    where
-        Self: Sized,
-    {
-        if let Some(v) = self.get_cache().read().get(&hash) {
-            return Some(v.clone());
-        }
-
-        let v = Self::_get_ref_by_hash(self.get_self_ref(), hash).get_value();
-        if let Some(v) = &v {
-            self.get_cache().write().insert(hash, v.clone());
-        }
-        v
-    }
-}
--- a/pkmn_lib_interface/src/app_interface/library/species.rs
+++ b/pkmn_lib_interface/src/app_interface/library/species.rs
@ -1,149 +0,0 @@
-use crate::handling::cached_value::CachedValue;
-use crate::handling::Cacheable;
-use crate::{
-    cached_value, ExternRef, ExternalReferenceType, FFIArray, ImmutableList, StringKey,
-    VecExternRef,
-};
-use alloc::rc::Rc;
-use alloc::vec::Vec;
-
-#[repr(u8)]
-pub enum Gender {
-    Male = 0,
-    Female = 1,
-    Genderless = 2,
-}
-
-#[repr(u8)]
-pub enum Statistic {
-    HP = 0,
-    Attack = 1,
-    Defense = 2,
-    SpecialAttack = 3,
-    SpecialDefense = 4,
-    Speed = 5,
-}
-
-pub struct ImmutableStatisticSetInner {
-    ptr: ExternRef<ImmutableStatisticSet>,
-    /// The health point stat value.
-    hp: CachedValue<u16>,
-    /// The physical attack stat value.
-    attack: CachedValue<u16>,
-    /// The physical defense stat value.
-    defense: CachedValue<u16>,
-    /// The special attack stat value.
-    special_attack: CachedValue<u16>,
-    /// The special defense stat value.
-    special_defense: CachedValue<u16>,
-    /// The speed stat value.
-    speed: CachedValue<u16>,
-}
-
-#[derive(Clone)]
-pub struct ImmutableStatisticSet {
-    inner: Rc<ImmutableStatisticSetInner>,
-}
-
-impl ImmutableStatisticSet {
-    pub(crate) fn new(ptr: ExternRef<Self>) -> Self {
-        Self::from_ref(ptr, &|ptr| Self {
-            inner: Rc::new(ImmutableStatisticSetInner {
-                ptr,
-                hp: cached_value!({ static_statistics_set_get_hp(ptr) }),
-                attack: cached_value!({ static_statistics_set_get_attack(ptr) }),
-                defense: cached_value!({ static_statistics_set_get_defense(ptr) }),
-                special_attack: cached_value!({ static_statistics_set_get_special_attack(ptr) }),
-                special_defense: cached_value!({ static_statistics_set_get_special_defense(ptr) }),
-                speed: cached_value!({ static_statistics_set_get_speed(ptr) }),
-            }),
-        })
-    }
-
-    pub fn hp(&self) -> u16 {
-        self.inner.hp.value()
-    }
-    pub fn attack(&self) -> u16 {
-        self.inner.attack.value()
-    }
-    pub fn defense(&self) -> u16 {
-        self.inner.defense.value()
-    }
-    pub fn special_attack(&self) -> u16 {
-        self.inner.special_attack.value()
-    }
-    pub fn special_defense(&self) -> u16 {
-        self.inner.special_defense.value()
-    }
-    pub fn speed(&self) -> u16 {
-        self.inner.speed.value()
-    }
-}
-
-struct FormInner {
-    ptr: ExternRef<Form>,
-    name: CachedValue<StringKey>,
-    height: CachedValue<f32>,
-    weight: CachedValue<f32>,
-    types: CachedValue<Vec<u8>>,
-    base_experience: CachedValue<u32>,
-    base_stats: CachedValue<ImmutableStatisticSet>,
-    abilities: CachedValue<ImmutableList<StringKey>>,
-    hidden_abilities: CachedValue<ImmutableList<StringKey>>,
-    // moves: CachedValue<LearnableMoves>,
-}
-
-#[derive(Clone)]
-pub struct Form {
-    inner: Rc<FormInner>,
-}
-
-impl Form {
-    pub(crate) fn new(ptr: ExternRef<Self>) -> Self {
-        Self::from_ref(ptr, &|ptr| Self {
-            inner: Rc::new(FormInner {
-                ptr,
-                name: cached_value!({ form_get_name(ptr).get_value().unwrap() }),
-                height: cached_value!({ form_get_height(ptr) }),
-                weight: cached_value!({ form_get_weight(ptr) }),
-                types: cached_value!({
-                    let raw = form_get_types(ptr);
-                    Vec::from_raw_parts(raw.ptr(), raw.len(), raw.len())
-                }),
-                base_experience: cached_value!({ form_get_base_experience(ptr) }),
-                base_stats: cached_value!({ form_get_base_stats(ptr).get_value().unwrap() }),
-                abilities: cached_value!({ form_get_abilities(ptr).get_immutable_list() }),
-                hidden_abilities: cached_value!({
-                    form_get_hidden_abilities(ptr).get_immutable_list()
-                }),
-            }),
-        })
-    }
-}
-
-impl ExternalReferenceType for ImmutableStatisticSet {
-    fn from_extern_value(reference: ExternRef<Self>) -> Self {
-        ImmutableStatisticSet::new(reference)
-    }
-}
-
-crate::handling::cacheable::cacheable!(ImmutableStatisticSet);
-crate::handling::cacheable::cacheable!(Form);
-
-extern "wasm" {
-    fn static_statistics_set_get_hp(r: ExternRef<ImmutableStatisticSet>) -> u16;
-    fn static_statistics_set_get_attack(r: ExternRef<ImmutableStatisticSet>) -> u16;
-    fn static_statistics_set_get_defense(r: ExternRef<ImmutableStatisticSet>) -> u16;
-    fn static_statistics_set_get_special_attack(r: ExternRef<ImmutableStatisticSet>) -> u16;
-    fn static_statistics_set_get_special_defense(r: ExternRef<ImmutableStatisticSet>) -> u16;
-    fn static_statistics_set_get_speed(r: ExternRef<ImmutableStatisticSet>) -> u16;
-
-    fn form_get_name(r: ExternRef<Form>) -> ExternRef<StringKey>;
-    fn form_get_height(r: ExternRef<Form>) -> f32;
-    fn form_get_weight(r: ExternRef<Form>) -> f32;
-    fn form_get_types(r: ExternRef<Form>) -> FFIArray<u8>;
-    fn form_get_base_experience(r: ExternRef<Form>) -> u32;
-    fn form_get_base_stats(r: ExternRef<Form>) -> ExternRef<ImmutableStatisticSet>;
-    fn form_get_abilities(r: ExternRef<Form>) -> VecExternRef<StringKey>;
-    fn form_get_hidden_abilities(r: ExternRef<Form>) -> VecExternRef<StringKey>;
-}
--- a/pkmn_lib_interface/src/app_interface/mod.rs
+++ b/pkmn_lib_interface/src/app_interface/mod.rs
@ -1,9 +1,9 @@
-pub mod battling;
-pub mod library;
+pub mod dynamic_data;
 pub mod list;
+pub mod static_data;
 pub mod string_key;

-pub use battling::*;
-pub use library::*;
+pub use dynamic_data::*;
+pub use static_data::*;
 pub use string_key::get_hash;
 pub use string_key::StringKey;
--- a/pkmn_lib_interface/src/app_interface/static_data/ability.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/ability.rs
@ -0,0 +1,60 @@
+use crate::handling::cacheable::Cacheable;
+use crate::handling::cached_value::CachedValue;
+use crate::{
+    cached_value, cached_value_getters, EffectParameter, ExternRef, ExternalReferenceType,
+    ImmutableList, StringKey, VecExternRef,
+};
+use alloc::rc::Rc;
+
+struct AbilityInner {
+    reference: ExternRef<Ability>,
+    name: CachedValue<StringKey>,
+    effect: CachedValue<StringKey>,
+    parameters: CachedValue<ImmutableList<EffectParameter>>,
+}
+
+#[derive(Clone)]
+pub struct Ability {
+    inner: Rc<AbilityInner>,
+}
+
+impl Ability {
+    pub fn new(reference: ExternRef<Self>) -> Self {
+        Self::from_ref(reference, &|reference| Self {
+            inner: Rc::new(AbilityInner {
+                reference,
+                name: cached_value!({ ability_get_name(reference).get_value().unwrap() }),
+                effect: cached_value!({ ability_get_effect(reference).get_value().unwrap() }),
+                parameters: cached_value!({
+                    ability_get_parameters(reference).get_immutable_list()
+                }),
+            }),
+        })
+    }
+
+    cached_value_getters! {
+        pub fn name(&self) -> StringKey;
+        pub fn effect(&self) -> StringKey;
+    }
+}
+
+impl ExternalReferenceType for Ability {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+crate::handling::cacheable::cacheable!(Ability);
+
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+#[repr(C)]
+pub struct AbilityIndex {
+    pub hidden: bool,
+    pub index: u8,
+}
+
+extern "wasm" {
+    fn ability_get_name(r: ExternRef<Ability>) -> ExternRef<StringKey>;
+    fn ability_get_effect(r: ExternRef<Ability>) -> ExternRef<StringKey>;
+    fn ability_get_parameters(r: ExternRef<Ability>) -> VecExternRef<EffectParameter>;
+}
--- a/pkmn_lib_interface/src/app_interface/static_data/data_libraries/item_library.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/data_libraries/item_library.rs
@ -1,6 +1,5 @@
 use crate::app_interface::{DataLibrary, Item};
-use crate::handling::Cacheable;
-use crate::{ExternRef, StringKey};
+use crate::{ExternRef, ExternalReferenceType, StringKey};
 use alloc::collections::BTreeMap;
 use alloc::rc::Rc;
 use spin::rwlock::RwLock;
@ -32,7 +31,7 @@ impl DataLibrary<Item> for ItemLibrary {
    }

    fn get_self_ref(&self) -> ExternRef<Self> {
-        self.inner.ptr.clone()
+        self.inner.ptr
    }

    fn _get_ref_by_name(ptr: ExternRef<Self>, name: ExternRef<StringKey>) -> ExternRef<Item> {
@ -44,17 +43,14 @@ impl DataLibrary<Item> for ItemLibrary {
    }
 }

-impl Cacheable for ItemLibrary {
-    fn get_cache<'a>() -> &'a mut BTreeMap<ExternRef<Self>, Self>
-    where
-        Self: Sized,
-    {
-        unsafe { &mut CACHE }
+crate::handling::cacheable::cacheable!(ItemLibrary);
+
+impl ExternalReferenceType for ItemLibrary {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
    }
 }

-static mut CACHE: BTreeMap<ExternRef<ItemLibrary>, ItemLibrary> = BTreeMap::new();
-
 extern "wasm" {
    fn move_library_get_move(
        ptr: ExternRef<ItemLibrary>,
--- a/pkmn_lib_interface/src/app_interface/static_data/data_libraries/mod.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/data_libraries/mod.rs
@ -0,0 +1,149 @@
+use crate::{cached_value, cached_value_getters, ExternRef, ExternalReferenceType, StringKey};
+use alloc::collections::BTreeMap;
+use alloc::rc::Rc;
+use move_library::MoveLibrary;
+use spin::rwlock::RwLock;
+
+pub mod item_library;
+pub mod move_library;
+pub mod species_library;
+pub mod type_library;
+
+use crate::app_interface::species_library::SpeciesLibrary;
+use crate::app_interface::type_library::TypeLibrary;
+use crate::app_interface::LevelInt;
+use crate::handling::cached_value::CachedValue;
+use crate::handling::Cacheable;
+pub use item_library::*;
+pub use move_library::*;
+
+struct StaticDataInner {
+    reference: ExternRef<StaticData>,
+    move_library: CachedValue<MoveLibrary>,
+    item_library: CachedValue<ItemLibrary>,
+    species_library: CachedValue<SpeciesLibrary>,
+    type_library: CachedValue<TypeLibrary>,
+}
+
+#[derive(Clone)]
+pub struct StaticData {
+    inner: Rc<StaticDataInner>,
+}
+
+impl StaticData {
+    pub(crate) fn new(reference: ExternRef<StaticData>) -> Self {
+        Self::from_ref(reference, &|reference| Self {
+            inner: Rc::new(StaticDataInner {
+                reference,
+                move_library: cached_value!({
+                    static_data_get_move_library(reference).get_value().unwrap()
+                }),
+                item_library: cached_value!({
+                    static_data_get_item_library(reference).get_value().unwrap()
+                }),
+                species_library: cached_value!({
+                    static_data_get_species_library(reference)
+                        .get_value()
+                        .unwrap()
+                }),
+                type_library: cached_value!({
+                    static_data_get_type_library(reference).get_value().unwrap()
+                }),
+            }),
+        })
+    }
+
+    cached_value_getters! {
+        pub fn move_library(&self) -> MoveLibrary;
+        pub fn item_library(&self) -> ItemLibrary;
+        pub fn species_library(&self) -> SpeciesLibrary;
+        pub fn type_library(&self) -> TypeLibrary;
+    }
+}
+
+crate::handling::cacheable::cacheable!(StaticData);
+
+impl ExternalReferenceType for StaticData {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        StaticData::new(reference)
+    }
+}
+
+struct LibrarySettingsInner {
+    maximum_level: CachedValue<LevelInt>,
+}
+
+#[derive(Clone)]
+pub struct LibrarySettings {
+    inner: Rc<LibrarySettingsInner>,
+}
+
+impl LibrarySettings {
+    pub(crate) fn new(ptr: ExternRef<LibrarySettings>) -> Self {
+        Self {
+            inner: Rc::new(LibrarySettingsInner {
+                maximum_level: cached_value!({ library_settings_get_maximum_level(ptr) }),
+            }),
+        }
+    }
+
+    cached_value_getters! {
+        pub fn maximum_level(&self) -> LevelInt;
+    }
+}
+
+extern "wasm" {
+    fn static_data_get_move_library(ptr: ExternRef<StaticData>) -> ExternRef<MoveLibrary>;
+    fn static_data_get_item_library(ptr: ExternRef<StaticData>) -> ExternRef<ItemLibrary>;
+    fn static_data_get_species_library(ptr: ExternRef<StaticData>) -> ExternRef<SpeciesLibrary>;
+    fn static_data_get_type_library(ptr: ExternRef<StaticData>) -> ExternRef<TypeLibrary>;
+
+    fn library_settings_get_maximum_level(ptr: ExternRef<LibrarySettings>) -> LevelInt;
+}
+
+pub trait DataLibrary<T>: Cacheable
+where
+    T: ExternalReferenceType,
+    T: Clone,
+{
+    fn get_cache(&self) -> &RwLock<BTreeMap<u32, T>>;
+    fn get_self_ref(&self) -> ExternRef<Self>
+    where
+        Self: Sized;
+    fn _get_ref_by_name(ptr: ExternRef<Self>, name: ExternRef<StringKey>) -> ExternRef<T>
+    where
+        Self: Sized;
+    fn _get_ref_by_hash(ptr: ExternRef<Self>, hash: u32) -> ExternRef<T>
+    where
+        Self: Sized;
+
+    fn get(&self, name: &StringKey) -> Option<T>
+    where
+        Self: Sized,
+    {
+        if let Some(v) = self.get_cache().read().get(&name.hash()) {
+            return Some(v.clone());
+        }
+
+        let v = Self::_get_ref_by_name(self.get_self_ref(), name.ptr()).get_value();
+        if let Some(v) = &v {
+            self.get_cache().write().insert(name.hash(), v.clone());
+        }
+        v
+    }
+
+    fn get_by_hash(&self, hash: u32) -> Option<T>
+    where
+        Self: Sized,
+    {
+        if let Some(v) = self.get_cache().read().get(&hash) {
+            return Some(v.clone());
+        }
+
+        let v = Self::_get_ref_by_hash(self.get_self_ref(), hash).get_value();
+        if let Some(v) = &v {
+            self.get_cache().write().insert(hash, v.clone());
+        }
+        v
+    }
+}
--- a/pkmn_lib_interface/src/app_interface/static_data/data_libraries/move_library.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/data_libraries/move_library.rs
@ -1,7 +1,6 @@
 use crate::app_interface::data_libraries::DataLibrary;
 use crate::app_interface::{MoveData, StringKey};
-use crate::handling::Cacheable;
-use crate::ExternRef;
+use crate::{ExternRef, ExternalReferenceType};
 use alloc::collections::BTreeMap;
 use alloc::rc::Rc;
 use spin::RwLock;
@ -33,7 +32,7 @@ impl DataLibrary<MoveData> for MoveLibrary {
    }

    fn get_self_ref(&self) -> ExternRef<Self> {
-        self.inner.ptr.clone()
+        self.inner.ptr
    }

    fn _get_ref_by_name(ptr: ExternRef<Self>, name: ExternRef<StringKey>) -> ExternRef<MoveData> {
@ -45,17 +44,14 @@ impl DataLibrary<MoveData> for MoveLibrary {
    }
 }

-impl Cacheable for MoveLibrary {
-    fn get_cache<'a>() -> &'a mut BTreeMap<ExternRef<Self>, Self>
-    where
-        Self: Sized,
-    {
-        unsafe { &mut CACHE }
+crate::handling::cacheable::cacheable!(MoveLibrary);
+
+impl ExternalReferenceType for MoveLibrary {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
    }
 }

-static mut CACHE: BTreeMap<ExternRef<MoveLibrary>, MoveLibrary> = BTreeMap::new();
-
 extern "wasm" {
    fn move_library_get_move(
        ptr: ExternRef<MoveLibrary>,
--- a/pkmn_lib_interface/src/app_interface/static_data/data_libraries/species_library.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/data_libraries/species_library.rs
@ -0,0 +1,63 @@
+use crate::app_interface::{DataLibrary, Species};
+use crate::{ExternRef, ExternalReferenceType, StringKey};
+use alloc::collections::BTreeMap;
+use alloc::rc::Rc;
+use spin::RwLock;
+
+struct SpeciesLibraryInner {
+    ptr: ExternRef<SpeciesLibrary>,
+    cache: RwLock<BTreeMap<u32, Species>>,
+}
+
+#[derive(Clone)]
+pub struct SpeciesLibrary {
+    inner: Rc<SpeciesLibraryInner>,
+}
+
+impl SpeciesLibrary {
+    pub(crate) fn new(ptr: ExternRef<SpeciesLibrary>) -> Self {
+        Self {
+            inner: Rc::new(SpeciesLibraryInner {
+                ptr,
+                cache: Default::default(),
+            }),
+        }
+    }
+}
+
+impl DataLibrary<Species> for SpeciesLibrary {
+    fn get_cache(&self) -> &spin::rwlock::RwLock<BTreeMap<u32, Species>> {
+        &self.inner.cache
+    }
+
+    fn get_self_ref(&self) -> ExternRef<Self> {
+        self.inner.ptr
+    }
+
+    fn _get_ref_by_name(ptr: ExternRef<Self>, name: ExternRef<StringKey>) -> ExternRef<Species> {
+        unsafe { species_library_get_species(ptr, name) }
+    }
+
+    fn _get_ref_by_hash(ptr: ExternRef<Self>, hash: u32) -> ExternRef<Species> {
+        unsafe { species_library_get_species_by_hash(ptr, hash) }
+    }
+}
+
+crate::handling::cacheable::cacheable!(SpeciesLibrary);
+
+impl ExternalReferenceType for SpeciesLibrary {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+extern "wasm" {
+    fn species_library_get_species(
+        ptr: ExternRef<SpeciesLibrary>,
+        name: ExternRef<StringKey>,
+    ) -> ExternRef<Species>;
+    fn species_library_get_species_by_hash(
+        ptr: ExternRef<SpeciesLibrary>,
+        hash: u32,
+    ) -> ExternRef<Species>;
+}
--- a/pkmn_lib_interface/src/app_interface/static_data/data_libraries/type_library.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/data_libraries/type_library.rs
@ -0,0 +1,93 @@
+use crate::{ExternRef, ExternalReferenceType};
+use alloc::collections::BTreeMap;
+use alloc::rc::Rc;
+use alloc::string::{String, ToString};
+use cstr_core::{c_char, CString};
+use spin::RwLock;
+
+struct TypeLibraryInner {
+    reference: ExternRef<TypeLibrary>,
+    name_to_type_cache: RwLock<BTreeMap<String, u8>>,
+    effectiveness_cache: RwLock<BTreeMap<(u8, u8), f32>>,
+}
+
+#[derive(Clone)]
+pub struct TypeLibrary {
+    inner: Rc<TypeLibraryInner>,
+}
+
+impl TypeLibrary {
+    pub(crate) fn new(reference: ExternRef<Self>) -> Self {
+        Self {
+            inner: Rc::new(TypeLibraryInner {
+                reference,
+                name_to_type_cache: Default::default(),
+                effectiveness_cache: Default::default(),
+            }),
+        }
+    }
+
+    pub fn get_type_from_name(&self, name: &str) -> Option<u8> {
+        if let Some(cached) = self.inner.name_to_type_cache.read().get(name) {
+            return Some(*cached);
+        }
+        let cstr = CString::new(name).unwrap();
+        let v = unsafe { type_library_get_type_by_name(self.inner.reference, cstr.as_ptr()) };
+        if v == 255 {
+            return None;
+        }
+        self.inner
+            .name_to_type_cache
+            .write()
+            .insert(name.to_string(), v);
+        Some(v)
+    }
+
+    pub fn get_single_effectiveness(&self, attacking_type: u8, defending_type: u8) -> f32 {
+        if let Some(cached) = self
+            .inner
+            .effectiveness_cache
+            .read()
+            .get(&(attacking_type, defending_type))
+        {
+            return *cached;
+        }
+        let effectiveness = unsafe {
+            type_library_get_single_effectiveness(
+                self.inner.reference,
+                attacking_type,
+                defending_type,
+            )
+        };
+        self.inner
+            .effectiveness_cache
+            .write()
+            .insert((attacking_type, defending_type), effectiveness);
+        effectiveness
+    }
+
+    pub fn get_effectiveness(&self, attacking_type: u8, defending_types: &[u8]) -> f32 {
+        let mut f = 1.0;
+        for defending_type in defending_types {
+            f *= self.get_single_effectiveness(attacking_type, *defending_type);
+        }
+        f
+    }
+}
+
+crate::handling::cacheable::cacheable!(TypeLibrary);
+
+impl ExternalReferenceType for TypeLibrary {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+extern "wasm" {
+    fn type_library_get_single_effectiveness(
+        r: ExternRef<TypeLibrary>,
+        attacking_type: u8,
+        defending_type: u8,
+    ) -> f32;
+    fn type_library_get_type_by_name(r: ExternRef<TypeLibrary>, name: *const c_char) -> u8;
+}
--- a/pkmn_lib_interface/src/app_interface/static_data/effect_parameter.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/effect_parameter.rs
--- a/pkmn_lib_interface/src/app_interface/static_data/item.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/item.rs
@ -1,6 +1,6 @@
 use crate::handling::cached_value::CachedValue;
 use crate::handling::Cacheable;
-use crate::{cached_value, ExternRef, ExternalReferenceType, StringKey};
+use crate::{cached_value, cached_value_getters, ExternRef, ExternalReferenceType, StringKey};
 use alloc::rc::Rc;

 /// An item category defines which bag slot items are stored in.
@ -42,7 +42,7 @@ pub enum BattleItemCategory {
 }

 struct ItemInner {
-    ptr: ExternRef<Item>,
+    reference: ExternRef<Item>,
    name: CachedValue<StringKey>,
    category: CachedValue<ItemCategory>,
    battle_category: CachedValue<BattleItemCategory>,
@ -56,40 +56,35 @@ pub struct Item {
 }

 impl Item {
-    pub(crate) fn new(ptr: ExternRef<Self>) -> Self {
-        Self::from_ref(ptr, &|ptr| Self {
+    pub(crate) fn new(reference: ExternRef<Self>) -> Self {
+        Self::from_ref(reference, &|reference| Self {
            inner: Rc::new(ItemInner {
-                ptr,
-                name: cached_value!({ StringKey::new(item_get_name(ptr)) }),
-                category: cached_value!({ item_get_category(ptr) }),
-                battle_category: cached_value!({ item_get_battle_category(ptr) }),
-                price: cached_value!({ item_get_price(ptr) }),
+                reference,
+                name: cached_value!({ StringKey::new(item_get_name(reference)) }),
+                category: cached_value!({ item_get_category(reference) }),
+                battle_category: cached_value!({ item_get_battle_category(reference) }),
+                price: cached_value!({ item_get_price(reference) }),
            }),
        })
    }

-    pub(crate) fn ptr(&self) -> ExternRef<Self> {
-        self.inner.ptr
+    pub(crate) fn reference(&self) -> ExternRef<Self> {
+        self.inner.reference
    }

-    /// The name of the item.
-    pub fn name(&self) -> StringKey {
-        self.inner.name.value()
-    }
-    /// Which bag slot items are stored in.
-    pub fn category(&self) -> ItemCategory {
-        self.inner.category.value()
-    }
-    /// How the item is categorized when in battle.
-    pub fn battle_category(&self) -> BattleItemCategory {
-        self.inner.battle_category.value()
-    }
-    /// The buying value of the item.
-    pub fn price(&self) -> i32 {
-        self.inner.price.value()
+    cached_value_getters! {
+        /// The name of the item.
+        pub fn name(&self) -> StringKey;
+        /// Which bag slot items are stored in.
+        pub fn category(&self) -> ItemCategory;
+        /// How the item is categorized when in battle.
+        pub fn battle_category(&self) -> BattleItemCategory;
+        /// The buying value of the item.
+        pub fn price(&self) -> i32;
    }
+
    pub fn has_flag(&self, flag: &StringKey) -> bool {
-        unsafe { item_has_flag(self.ptr(), flag.ptr()) }
+        unsafe { item_has_flag(self.inner.reference, flag.ptr()) }
    }
 }

--- a/pkmn_lib_interface/src/app_interface/static_data/mod.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/mod.rs
@ -1,11 +1,16 @@
+pub mod ability;
 pub mod data_libraries;
 pub mod effect_parameter;
 pub mod item;
 pub mod move_data;
+mod nature;
 pub mod species;

 pub use data_libraries::*;
 pub use effect_parameter::EffectParameter;
 pub use item::*;
 pub use move_data::*;
+pub use nature::*;
 pub use species::*;
+
+pub type LevelInt = u8;
--- a/pkmn_lib_interface/src/app_interface/static_data/move_data.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/move_data.rs
@ -1,8 +1,7 @@
-use crate::app_interface::StringKey;
+use crate::app_interface::{get_hash, StringKey};
 use crate::handling::cached_value::CachedValue;
 use crate::handling::Cacheable;
-use crate::{cached_value, ExternRef, ExternalReferenceType};
-use alloc::collections::BTreeMap;
+use crate::{cached_value, cached_value_getters, ExternRef, ExternalReferenceType};
 use alloc::rc::Rc;

 #[repr(u8)]
@ -66,36 +65,20 @@ impl MoveData {
            }),
        })
    }
-    pub(crate) fn ptr(&self) -> ExternRef<Self> {
-        self.inner.ptr
-    }

-    pub fn name(&self) -> StringKey {
-        self.inner.name.value()
+    cached_value_getters! {
+        pub fn name(&self) -> StringKey;
+        pub fn move_type(&self) -> u8;
+        pub fn category(&self) -> MoveCategory;
+        pub fn base_power(&self) -> u8;
+        pub fn accuracy(&self) -> u8;
+        pub fn base_usages(&self) -> u8;
+        pub fn target(&self) -> MoveTarget;
+        pub fn priority(&self) -> i8;
    }
-    pub fn move_type(&self) -> u8 {
-        self.inner.move_type.value()
-    }
-    pub fn category(&self) -> MoveCategory {
-        self.inner.category.value()
-    }
-    pub fn base_power(&self) -> u8 {
-        self.inner.base_power.value()
-    }
-    pub fn accuracy(&self) -> u8 {
-        self.inner.accuracy.value()
-    }
-    pub fn base_usages(&self) -> u8 {
-        self.inner.base_usages.value()
-    }
-    pub fn target(&self) -> MoveTarget {
-        self.inner.target.value()
-    }
-    pub fn priority(&self) -> i8 {
-        self.inner.priority.value()
-    }
-    pub fn has_flag(&self, flag: &StringKey) -> bool {
-        unsafe { move_data_has_flag(self.ptr(), flag.ptr()) }
+    pub fn has_flag<const N: usize>(&self, flag: &[u8; N]) -> bool {
+        let hash = get_hash(flag);
+        unsafe { move_data_has_flag_by_hash(self.inner.ptr, hash) }
    }
 }

@ -116,5 +99,5 @@ extern "wasm" {
    fn move_data_get_base_usages(ptr: ExternRef<MoveData>) -> u8;
    fn move_data_get_target(ptr: ExternRef<MoveData>) -> MoveTarget;
    fn move_data_get_priority(ptr: ExternRef<MoveData>) -> i8;
-    fn move_data_has_flag(ptr: ExternRef<MoveData>, flag: ExternRef<StringKey>) -> bool;
+    fn move_data_has_flag_by_hash(ptr: ExternRef<MoveData>, flag_hash: u32) -> bool;
 }
--- a/pkmn_lib_interface/src/app_interface/static_data/nature.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/nature.rs
@ -0,0 +1,52 @@
+use crate::app_interface::Statistic;
+use crate::handling::cacheable::Cacheable;
+use crate::{ExternRef, ExternalReferenceType};
+use alloc::rc::Rc;
+
+struct NatureInner {
+    reference: ExternRef<Nature>,
+    /// The stat that should receive the increased modifier.
+    increase_stat: Statistic,
+    /// The stat that should receive the decreased modifier.
+    decrease_stat: Statistic,
+    /// The amount by which the increased stat is multiplied.
+    increase_modifier: f32,
+    /// The amount by which the decreased stat is multiplied.
+    decrease_modifier: f32,
+}
+
+#[derive(Clone)]
+pub struct Nature {
+    inner: Rc<NatureInner>,
+}
+
+crate::handling::cacheable::cacheable!(Nature);
+
+impl Nature {
+    pub fn new(reference: ExternRef<Self>) -> Self {
+        Self::from_ref(reference, &|reference| unsafe {
+            Self {
+                inner: Rc::new(NatureInner {
+                    reference,
+                    increase_stat: nature_get_increase_stat(reference),
+                    decrease_stat: nature_get_decrease_stat(reference),
+                    increase_modifier: nature_get_increase_modifier(reference),
+                    decrease_modifier: nature_get_decrease_modifier(reference),
+                }),
+            }
+        })
+    }
+}
+
+impl ExternalReferenceType for Nature {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+extern "wasm" {
+    fn nature_get_increase_stat(r: ExternRef<Nature>) -> Statistic;
+    fn nature_get_decrease_stat(r: ExternRef<Nature>) -> Statistic;
+    fn nature_get_increase_modifier(r: ExternRef<Nature>) -> f32;
+    fn nature_get_decrease_modifier(r: ExternRef<Nature>) -> f32;
+}
--- a/pkmn_lib_interface/src/app_interface/static_data/species.rs
+++ b/pkmn_lib_interface/src/app_interface/static_data/species.rs
@ -0,0 +1,270 @@
+use crate::app_interface::get_hash;
+use crate::handling::cached_value::CachedValue;
+use crate::handling::Cacheable;
+use crate::{
+    cached_value, cached_value_getters, ExternRef, ExternalReferenceType, FFIArray, ImmutableList,
+    StringKey, VecExternRef,
+};
+use alloc::collections::BTreeMap;
+use alloc::rc::Rc;
+use alloc::vec::Vec;
+use spin::RwLock;
+
+#[repr(u8)]
+pub enum Gender {
+    Male = 0,
+    Female = 1,
+    Genderless = 2,
+}
+
+#[repr(u8)]
+pub enum Statistic {
+    HP = 0,
+    Attack = 1,
+    Defense = 2,
+    SpecialAttack = 3,
+    SpecialDefense = 4,
+    Speed = 5,
+}
+
+pub struct ImmutableStatisticSetInner {
+    reference: ExternRef<ImmutableStatisticSet>,
+    /// The health point stat value.
+    hp: CachedValue<u16>,
+    /// The physical attack stat value.
+    attack: CachedValue<u16>,
+    /// The physical defense stat value.
+    defense: CachedValue<u16>,
+    /// The special attack stat value.
+    special_attack: CachedValue<u16>,
+    /// The special defense stat value.
+    special_defense: CachedValue<u16>,
+    /// The speed stat value.
+    speed: CachedValue<u16>,
+}
+
+#[derive(Clone)]
+pub struct ImmutableStatisticSet {
+    inner: Rc<ImmutableStatisticSetInner>,
+}
+
+impl ImmutableStatisticSet {
+    pub(crate) fn new(reference: ExternRef<Self>) -> Self {
+        Self::from_ref(reference, &|reference| Self {
+            inner: Rc::new(ImmutableStatisticSetInner {
+                reference,
+                hp: cached_value!({ static_statistics_set_get_hp(reference) }),
+                attack: cached_value!({ static_statistics_set_get_attack(reference) }),
+                defense: cached_value!({ static_statistics_set_get_defense(reference) }),
+                special_attack: cached_value!({
+                    static_statistics_set_get_special_attack(reference)
+                }),
+                special_defense: cached_value!({
+                    static_statistics_set_get_special_defense(reference)
+                }),
+                speed: cached_value!({ static_statistics_set_get_speed(reference) }),
+            }),
+        })
+    }
+
+    pub fn hp(&self) -> u16 {
+        self.inner.hp.value()
+    }
+    pub fn attack(&self) -> u16 {
+        self.inner.attack.value()
+    }
+    pub fn defense(&self) -> u16 {
+        self.inner.defense.value()
+    }
+    pub fn special_attack(&self) -> u16 {
+        self.inner.special_attack.value()
+    }
+    pub fn special_defense(&self) -> u16 {
+        self.inner.special_defense.value()
+    }
+    pub fn speed(&self) -> u16 {
+        self.inner.speed.value()
+    }
+}
+
+struct FormInner {
+    reference: ExternRef<Form>,
+    name: CachedValue<StringKey>,
+    height: CachedValue<f32>,
+    weight: CachedValue<f32>,
+    types: CachedValue<Vec<u8>>,
+    base_experience: CachedValue<u32>,
+    base_stats: CachedValue<ImmutableStatisticSet>,
+    abilities: CachedValue<ImmutableList<StringKey>>,
+    hidden_abilities: CachedValue<ImmutableList<StringKey>>,
+    // moves: CachedValue<LearnableMoves>,
+}
+
+#[derive(Clone)]
+pub struct Form {
+    inner: Rc<FormInner>,
+}
+
+impl Form {
+    pub(crate) fn new(reference: ExternRef<Self>) -> Self {
+        Self::from_ref(reference, &|reference| Self {
+            inner: Rc::new(FormInner {
+                reference,
+                name: cached_value!({ form_get_name(reference).get_value().unwrap() }),
+                height: cached_value!({ form_get_height(reference) }),
+                weight: cached_value!({ form_get_weight(reference) }),
+                types: cached_value!({
+                    let raw = form_get_types(reference);
+                    Vec::from_raw_parts(raw.ptr(), raw.len(), raw.len())
+                }),
+                base_experience: cached_value!({ form_get_base_experience(reference) }),
+                base_stats: cached_value!({ form_get_base_stats(reference).get_value().unwrap() }),
+                abilities: cached_value!({ form_get_abilities(reference).get_immutable_list() }),
+                hidden_abilities: cached_value!({
+                    form_get_hidden_abilities(reference).get_immutable_list()
+                }),
+            }),
+        })
+    }
+
+    pub(crate) fn reference(&self) -> ExternRef<Self> {
+        self.inner.reference
+    }
+
+    cached_value_getters! {
+        pub fn name(&self) -> StringKey;
+        pub fn height(&self) -> f32;
+        pub fn weight(&self) -> f32;
+        pub fn base_experience(&self) -> u32;
+        pub fn base_stats(&self) -> ImmutableStatisticSet;
+        pub fn abilities(&self) -> ImmutableList<StringKey>;
+        pub fn hidden_abilities(&self) -> ImmutableList<StringKey>;
+    }
+    pub fn types(&self) -> &Vec<u8> {
+        self.inner.types.value_ref()
+    }
+
+    pub fn has_flag<const N: usize>(&self, flag: &[u8; N]) -> bool {
+        let hash = get_hash(flag);
+        unsafe { form_has_flag_by_hash(self.inner.reference, hash) }
+    }
+}
+
+pub struct SpeciesInner {
+    reference: ExternRef<Species>,
+    id: CachedValue<u16>,
+    name: CachedValue<StringKey>,
+    gender_rate: CachedValue<f32>,
+    growth_rate: CachedValue<StringKey>,
+    capture_rate: CachedValue<u8>,
+    forms: RwLock<BTreeMap<u32, Option<Form>>>,
+}
+
+#[derive(Clone)]
+pub struct Species {
+    inner: Rc<SpeciesInner>,
+}
+
+impl Species {
+    pub(crate) fn new(reference: ExternRef<Species>) -> Self {
+        Self {
+            inner: Rc::new(SpeciesInner {
+                reference,
+                id: cached_value!({ species_get_id(reference) }),
+                name: cached_value!({ species_get_name(reference).get_value().unwrap() }),
+                gender_rate: cached_value!({ species_get_gender_rate(reference) }),
+                growth_rate: cached_value!({
+                    species_get_growth_rate(reference).get_value().unwrap()
+                }),
+                capture_rate: cached_value!({ species_get_capture_rate(reference) }),
+                forms: Default::default(),
+            }),
+        }
+    }
+
+    pub(crate) fn reference(&self) -> ExternRef<Self> {
+        self.inner.reference
+    }
+
+    cached_value_getters! {
+        /// The national dex identifier of the Pokemon.
+        pub fn id(&self) -> u16;
+        /// The name of the Pokemon species.
+        pub fn name(&self) -> StringKey;
+        /// The chance between 0.0 and 1.0 that a Pokemon is female.
+        pub fn gender_rate(&self) -> f32;
+        /// How much experience is required for a level.
+        pub fn growth_rate(&self) -> StringKey;
+        /// How hard it is to capture a Pokemon. 255 means this will be always caught, 0 means this is
+        /// uncatchable.
+        pub fn capture_rate(&self) -> u8;
+    }
+
+    pub fn get_form<const N: usize>(&self, form_name: &[u8; N]) -> Option<Form> {
+        let hash = get_hash(form_name);
+        unsafe {
+            if let Some(v) = self.inner.forms.read().get(&hash) {
+                v.clone()
+            } else {
+                let r = species_get_form_by_hash(self.inner.reference, hash);
+                let value = r.get_value();
+                self.inner.forms.write().insert(hash, value.clone());
+                value
+            }
+        }
+    }
+
+    pub fn has_flag<const N: usize>(&self, flag: &[u8; N]) -> bool {
+        let hash = get_hash(flag);
+        unsafe { species_has_flag_by_hash(self.inner.reference, hash) }
+    }
+}
+
+impl ExternalReferenceType for ImmutableStatisticSet {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+impl ExternalReferenceType for Form {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+impl ExternalReferenceType for Species {
+    fn from_extern_value(reference: ExternRef<Self>) -> Self {
+        Self::new(reference)
+    }
+}
+
+crate::handling::cacheable::cacheable!(ImmutableStatisticSet);
+crate::handling::cacheable::cacheable!(Form);
+crate::handling::cacheable::cacheable!(Species);
+
+extern "wasm" {
+    fn static_statistics_set_get_hp(r: ExternRef<ImmutableStatisticSet>) -> u16;
+    fn static_statistics_set_get_attack(r: ExternRef<ImmutableStatisticSet>) -> u16;
+    fn static_statistics_set_get_defense(r: ExternRef<ImmutableStatisticSet>) -> u16;
+    fn static_statistics_set_get_special_attack(r: ExternRef<ImmutableStatisticSet>) -> u16;
+    fn static_statistics_set_get_special_defense(r: ExternRef<ImmutableStatisticSet>) -> u16;
+    fn static_statistics_set_get_speed(r: ExternRef<ImmutableStatisticSet>) -> u16;
+
+    fn form_get_name(r: ExternRef<Form>) -> ExternRef<StringKey>;
+    fn form_get_height(r: ExternRef<Form>) -> f32;
+    fn form_get_weight(r: ExternRef<Form>) -> f32;
+    fn form_get_types(r: ExternRef<Form>) -> FFIArray<u8>;
+    fn form_get_base_experience(r: ExternRef<Form>) -> u32;
+    fn form_get_base_stats(r: ExternRef<Form>) -> ExternRef<ImmutableStatisticSet>;
+    fn form_get_abilities(r: ExternRef<Form>) -> VecExternRef<StringKey>;
+    fn form_get_hidden_abilities(r: ExternRef<Form>) -> VecExternRef<StringKey>;
+    fn form_has_flag_by_hash(r: ExternRef<Form>, hash: u32) -> bool;
+
+    fn species_get_id(r: ExternRef<Species>) -> u16;
+    fn species_get_name(r: ExternRef<Species>) -> ExternRef<StringKey>;
+    fn species_get_gender_rate(r: ExternRef<Species>) -> f32;
+    fn species_get_growth_rate(r: ExternRef<Species>) -> ExternRef<StringKey>;
+    fn species_get_capture_rate(r: ExternRef<Species>) -> u8;
+    fn species_get_form_by_hash(r: ExternRef<Species>, hash: u32) -> ExternRef<Form>;
+    fn species_has_flag_by_hash(r: ExternRef<Species>, flag_hash: u32) -> bool;
+}
--- a/pkmn_lib_interface/src/handling/cacheable.rs
+++ b/pkmn_lib_interface/src/handling/cacheable.rs
@ -21,7 +21,7 @@ pub trait Cacheable {
 }

 macro_rules! cacheable {
-    ($type: ident) => {
+    ($type: ty) => {
        paste::paste!{
            static mut [<$type:upper _CACHE>]: alloc::collections::BTreeMap<ExternRef<$type>, $type> =
                alloc::collections::BTreeMap::new();
--- a/pkmn_lib_interface/src/handling/cached_value.rs
+++ b/pkmn_lib_interface/src/handling/cached_value.rs
@ -5,10 +5,7 @@ pub struct CachedValue<T> {
    value: Option<T>,
 }

-impl<T> CachedValue<T>
-where
-    T: Clone,
-{
+impl<T> CachedValue<T> {
    pub fn new(init_fn: Box<dyn Fn() -> T>) -> Self {
        Self {
            init_fn,
@ -16,16 +13,30 @@ where
        }
    }

-    #[inline]
-    pub fn value(&self) -> T {
+    #[inline(always)]
+    fn init_if_empty(&self) {
        if self.value.is_none() {
            unsafe {
                let s = self as *const Self as *mut Self;
                s.as_mut().unwrap().value.replace((self.init_fn)());
            }
        }
+    }
+
+    #[inline]
+    pub fn value(&self) -> T
+    where
+        T: Clone,
+    {
+        self.init_if_empty();
        self.value.as_ref().unwrap().clone()
    }
+
+    #[inline]
+    pub fn value_ref(&self) -> &T {
+        self.init_if_empty();
+        self.value.as_ref().unwrap()
+    }
 }

 #[macro_export]
@ -34,3 +45,20 @@ macro_rules! cached_value {
        CachedValue::new(alloc::boxed::Box::new(move || unsafe { $init }))
    };
 }
+
+#[macro_export]
+macro_rules! cached_value_getters {
+    (
+        $(
+            $(#[$attr:meta])*
+            $v:vis fn $name:ident(&self) -> $type:ty;
+        )*
+    ) => {
+        $(
+                $(#[$attr])*
+        $v fn $name(&self) -> $type {
+            self.inner.$name.value()
+        }
+        )*
+    };
+}
--- a/pkmn_lib_interface/src/handling/extern_ref.rs
+++ b/pkmn_lib_interface/src/handling/extern_ref.rs
@ -14,6 +14,10 @@ impl<T> ExternRef<T> {
        self.p == 0
    }

+    pub(crate) fn get_internal_index(&self) -> u32 {
+        self.p
+    }
+
    pub fn get_value(&self) -> Option<T>
    where
        T: ExternalReferenceType,
@ -22,6 +26,14 @@ impl<T> ExternRef<T> {
    {
        T::instantiate_from_extern_value(*self)
    }
+
+    #[inline]
+    pub(crate) fn cast<TCast>(&self) -> ExternRef<TCast> {
+        ExternRef::<TCast> {
+            p: self.p,
+            resource_type: Default::default(),
+        }
+    }
 }

 impl<T> Clone for ExternRef<T> {
@ -71,12 +83,12 @@ impl<T> VecExternRef<T> {
        v.0
    }

-    pub fn len(&self) -> u32 {
+    pub(crate) fn len(&self) -> u32 {
        let v: (u32, u32) = unsafe { transmute(self.v) };
        v.1
    }

-    pub fn at(&self, index: u32) -> ExternRef<T> {
+    pub(crate) fn at(&self, index: u32) -> ExternRef<T> {
        let p = unsafe { _vec_extern_ref_get_value(self.get_internal_index(), index) };
        ExternRef {
            p,
@ -84,12 +96,12 @@ impl<T> VecExternRef<T> {
        }
    }

-    pub fn get_immutable_list(&self) -> ImmutableList<T>
+    pub(crate) fn get_immutable_list(&self) -> ImmutableList<T>
    where
        T: Clone,
        T: ExternalReferenceType,
    {
-        ImmutableList::from_ref(self.clone())
+        ImmutableList::from_ref(*self)
    }
 }

--- a/pkmn_lib_interface/src/handling/mod.rs
+++ b/pkmn_lib_interface/src/handling/mod.rs
@ -4,6 +4,7 @@ pub mod capabilities;
 pub mod extern_ref;
 pub mod ffi_array;
 pub mod script;
+pub(crate) mod temporary;

 pub use capabilities::*;

@ -20,3 +21,102 @@ pub enum ScriptCategory {
    Side,
    ItemBattleTrigger,
 }
+
+#[macro_export]
+macro_rules! wasm_reference_getters {
+    (
+        $base_type:ty,
+        $(
+            $(#[$attr:meta])*
+            $v:vis fn $name:ident(&self) -> $type:ty;
+        )*
+    ) => {
+        impl $base_type {
+            $(
+                $(#[$attr])*
+                $v fn $name(&self) -> $type {
+                    paste::paste!{
+                        unsafe{
+                            [<$base_type:snake _get_ $name>](self.inner.reference).get_value().unwrap()
+                        }
+                    }
+                }
+            )*
+
+        }
+
+        extern "wasm" {
+            $(
+                paste::paste!{
+                    fn [<$base_type:snake _get_ $name>](r: ExternRef<$base_type>) -> ExternRef<$type>;
+                }
+            )*
+        }
+    };
+}
+
+#[macro_export]
+macro_rules! wasm_optional_reference_getters {
+    (
+        $base_type:ty,
+        $(
+            $(#[$attr:meta])*
+            $v:vis fn $name:ident(&self) -> Option<$type:ty>;
+        )*
+    ) => {
+        impl $base_type {
+            $(
+                $(#[$attr])*
+                $v fn $name(&self) -> Option<$type> {
+                    paste::paste!{
+                        unsafe{
+                            [<$base_type:snake get_ $name>](self.inner.reference).get_value()
+                        }
+                    }
+                }
+            )*
+
+        }
+
+        extern "wasm" {
+            $(
+                paste::paste!{
+                    fn [<$base_type:snake get_ $name>](r: ExternRef<$base_type>) -> ExternRef<$type>;
+                }
+            )*
+        }
+    };
+}
+
+#[macro_export]
+macro_rules! wasm_value_getters {
+    (
+        $base_type:ty,
+        $(
+            $(#[$attr:meta])*
+            $v:vis fn $name:ident(&self) -> $type:ty;
+        )*
+    ) => {
+        impl $base_type {
+            $(
+                $(#[$attr])*
+                $v fn $name(&self) -> $type {
+                    paste::paste!{
+                        unsafe{
+                            [<$base_type:snake get_ $name>](self.inner.reference)
+                        }
+                    }
+                }
+            )*
+
+        }
+
+        extern "wasm" {
+            $(
+                paste::paste!{
+                    fn [<$base_type:snake get_ $name>](r: ExternRef<$base_type>) -> $type;
+                }
+            )*
+        }
+    };
+}
--- a/pkmn_lib_interface/src/handling/script.rs
+++ b/pkmn_lib_interface/src/handling/script.rs
@ -1,7 +1,7 @@
 use crate::app_interface::list::ImmutableList;
-use crate::app_interface::{BaseTurnChoice, BattleLibrary, EffectParameter};
+use crate::app_interface::{DynamicLibrary, EffectParameter};
 use crate::handling::ScriptCapabilities;
-use crate::ExternRef;
+use crate::{ExternRef, TurnChoice};
 use core::ffi::c_void;
 use core::fmt::Debug;

@ -15,11 +15,11 @@ pub trait Script {

    fn on_initialize(
        &self,
-        _library: &BattleLibrary,
+        _library: &DynamicLibrary,
        _parameters: Option<ImmutableList<EffectParameter>>,
    ) {
    }
-    fn on_before_turn(&self, _choice: ExternRef<BaseTurnChoice>) {}
+    fn on_before_turn(&self, _choice: TurnChoice) {}
 }

 impl Debug for dyn Script {
--- a/pkmn_lib_interface/src/handling/temporary.rs
+++ b/pkmn_lib_interface/src/handling/temporary.rs
@ -0,0 +1,87 @@
+use crate::{dbg, println, ExternRef, ExternalReferenceType};
+use alloc::boxed::Box;
+use core::cell::Cell;
+use core::mem::forget;
+
+struct TemporaryData<T> {
+    use_count: Cell<usize>,
+    is_deleted: bool,
+    value: T,
+}
+
+pub struct Temporary<T> {
+    value: *mut TemporaryData<T>,
+}
+
+static mut TEMPORARIES: alloc::collections::BTreeMap<u32, *const u8> =
+    alloc::collections::BTreeMap::new();
+impl<T> Temporary<T>
+where
+    T: ExternalReferenceType,
+    T: Clone,
+{
+    pub fn from_reference(reference: ExternRef<T>) -> Self {
+        let temporaries = unsafe { &mut TEMPORARIES };
+        let existing = temporaries.get(&reference.get_internal_index());
+        unsafe {
+            if let Some(v) = existing {
+                let rc = (*v as *mut TemporaryData<T>).as_mut().unwrap();
+                if !rc.is_deleted {
+                    *rc.use_count.get_mut() += 1;
+                    return Self {
+                        value: rc as *mut TemporaryData<T>,
+                    };
+                }
+            }
+        }
+
+        let value = reference.get_value().unwrap();
+        let mut reference_counter = TemporaryData {
+            use_count: Cell::new(1),
+            is_deleted: false,
+            value,
+        };
+        let ptr = &mut reference_counter as *mut TemporaryData<T>;
+        forget(reference_counter);
+        temporaries.insert(reference.get_internal_index(), ptr as *const u8);
+        Self { value: ptr }
+    }
+
+    pub fn value(&self) -> T {
+        unsafe { self.value.as_ref().unwrap().value.clone() }
+    }
+
+    pub(crate) fn mark_as_deleted(reference: ExternRef<T>) {
+        let temporaries = unsafe { &mut TEMPORARIES };
+        let existing = temporaries.get(&reference.get_internal_index());
+        unsafe {
+            if let Some(v) = existing {
+                crate::utils::print_raw(b"Dropping temporary");
+                let rc = (*v as *mut TemporaryData<T>).as_mut().unwrap();
+                rc.is_deleted = true;
+                if rc.use_count.get() == 0 {
+                    drop(Box::from(*v as *mut TemporaryData<T>))
+                }
+                temporaries.remove(&reference.get_internal_index());
+            }
+        }
+    }
+}
+
+impl<T> Clone for Temporary<T> {
+    fn clone(&self) -> Self {
+        *unsafe { self.value.as_mut() }.unwrap().use_count.get_mut() += 1;
+        Self { value: self.value }
+    }
+}
+
+impl<T> Drop for Temporary<T> {
+    fn drop(&mut self) {
+        let data = unsafe { self.value.as_mut() }.unwrap();
+        let v = data.use_count.get_mut();
+        *v -= 1;
+        if *v == 0 && data.is_deleted {
+            drop(Box::from(self.value))
+        }
+    }
+}
--- a/pkmn_lib_interface/src/lib.rs
+++ b/pkmn_lib_interface/src/lib.rs
@ -23,7 +23,7 @@ extern crate wee_alloc;
 static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;

 use crate::app_interface::list::ImmutableList;
-use crate::app_interface::{BaseTurnChoice, BattleLibrary, EffectParameter, StringKey};
+use crate::app_interface::{DynamicLibrary, EffectParameter, StringKey, TurnChoice};
 pub(crate) use crate::handling::extern_ref::*;
 use crate::handling::ffi_array::FFIArray;
 use crate::handling::{Script, ScriptCapabilities, ScriptCategory};
@ -57,10 +57,10 @@ extern "wasm" fn load_script(category: ScriptCategory, name: ExternRef<StringKey
 }

 #[no_mangle]
-unsafe extern "wasm" fn destroy_script(script: *mut u8) {
+unsafe extern "wasm" fn destroy_script(script: *mut Box<dyn Script>) {
    // By turning it from a raw pointer back into a Box with from_raw, we give ownership back to rust.
    // This lets Rust do the cleanup.
-    let boxed_script = Box::from_raw(script as *mut Box<dyn Script>);
+    let boxed_script = Box::from_raw(script);
    boxed_script.destroy();
 }

@ -75,10 +75,10 @@ unsafe extern "wasm" fn get_script_capabilities(
 #[no_mangle]
 unsafe extern "wasm" fn script_on_initialize(
    script: *const Box<dyn Script>,
-    library: ExternRef<BattleLibrary>,
+    library: ExternRef<DynamicLibrary>,
    parameters: VecExternRef<EffectParameter>,
 ) {
-    let lib = BattleLibrary::new(library);
+    let lib = DynamicLibrary::new(library);
    let parameters = ImmutableList::from_ref(parameters);
    script
        .as_ref()
@ -90,7 +90,11 @@ unsafe extern "wasm" fn script_on_initialize(
 #[no_mangle]
 unsafe extern "wasm" fn script_on_before_turn(
    script: *const Box<dyn Script>,
-    choice: ExternRef<BaseTurnChoice>,
+    choice: ExternRef<TurnChoice>,
 ) {
-    script.as_ref().unwrap().as_ref().on_before_turn(choice)
+    script
+        .as_ref()
+        .unwrap()
+        .as_ref()
+        .on_before_turn(choice.get_value().unwrap())
 }