initial commit

src/weapon/mod.rs

@@ -0,0 +1,955 @@
+use bevy_ecs::prelude::*;
+use macros::LogMessage;
+use rand::Rng as _;
+
+use crate::{
+    effect::{Effects, TurnLimitedEffect},
+    hierarchy::{HierarchyBuilder, Parent},
+    log::Logger,
+    metrics::Metrics,
+    passives::{Education, FactionUpgrades, Merits},
+    player::{
+        stats::{
+            AdditiveBonus, AmmoControl, ClipSize, Clips, CritRate, DamageBonus, Dexterity,
+            EffectiveStat, SimpleStatBonus, SimpleStatBundle, SimpleStatEffective, Speed,
+            WeaponAccuracy,
+        },
+        BodyPart, Current, CurrentTarget, InitiateHit, Player, Weapons,
+    },
+    Id, Name, Rng, Stages,
+};
+
+use self::{
+    bonus::{FirstTurnBonus, MultiTurnBonus, TurnTriggeredBonus},
+    temp::{NonTargeted, Uses},
+};
+
+pub mod bonus;
+pub mod temp;
+
+#[derive(Component)]
+pub struct Usable;
+
+#[derive(Component)]
+pub struct Weapon;
+
+#[derive(Component, Debug, Clone, Copy, PartialEq, Eq)]
+#[cfg_attr(feature = "json", derive(serde::Deserialize))]
+#[cfg_attr(feature = "json", serde(rename_all = "snake_case"))]
+pub enum WeaponSlot {
+    Primary,
+    Secondary,
+    Melee,
+    Temporary,
+    Fists,
+    Kick,
+}
+
+#[derive(Component, Debug, Clone, Copy)]
+pub enum WeaponVerb {
+    Hit,
+    Kicked,
+    Fired,
+    Threw,
+    Exploded,
+}
+
+#[derive(Component, Clone, Copy)]
+#[cfg_attr(feature = "json", derive(serde::Deserialize))]
+#[cfg_attr(feature = "json", serde(rename_all = "snake_case"))]
+pub enum WeaponCategory {
+    HeavyArtillery,
+    MachineGun,
+    Rifle,
+    Smg,
+    Shotgun,
+    Pistol,
+    Club,
+    Piercing,
+    Slashing,
+    Mechanical,
+    Temporary,
+    HandToHand,
+}
+
+#[derive(Component, Debug)]
+pub struct DamageStat(pub f32);
+
+#[derive(Component)]
+pub struct Japanese;
+
+#[derive(Component)]
+pub struct Ammo(pub u16);
+
+#[derive(Component)]
+pub struct RateOfFire(pub [u16; 2]);
+
+#[derive(Component)]
+pub struct NeedsReload;
+
+#[derive(Clone, Copy)]
+#[cfg_attr(feature = "json", derive(serde::Deserialize))]
+#[cfg_attr(feature = "json", serde(rename_all = "snake_case"))]
+pub enum WeaponMod {
+    ReflexSight,
+    HolographicSight,
+    AcogSight,
+    ThermalSight,
+    Laser1mw,
+    Laser5mw,
+    Laser30mw,
+    Laser100mw,
+    SmallSuppressor,
+    StandardSuppressor,
+    LargeSuppressor,
+    ExtendedMags,
+    HighCapacityMags,
+    ExtraClip,
+    ExtraClip2,
+    AdjustableTrigger,
+    HairTrigger,
+    Bipod,
+    Tripod,
+    CustomGrip,
+    SkeetChoke,
+    ImprovedChoke,
+    FullChoke,
+    RecoilPad,
+    StandardBrake,
+    HeavyDutyBreak,
+    TacticalBrake,
+    SmallLight,
+    PrecisionLight,
+    TacticalIlluminator,
+}
+
+#[derive(Clone, Copy)]
+pub enum TurnTriggeredMod {
+    Bipod,
+    Tripod,
+    SmallLight,
+    PrecisionLight,
+    TacticalIlluminator,
+}
+
+impl TurnTriggeredMod {
+    pub fn trigger(self, effects: &mut Effects, current: Entity, target: Entity) {
+        match self {
+            Self::Bipod => {
+                effects.spawn_and_insert(
+                    AdditiveBonus::<Dexterity>::new("bipod", -0.3),
+                    current,
+                    TurnLimitedEffect::new(current, 0),
+                );
+            }
+            Self::Tripod => {
+                effects.spawn_and_insert(
+                    AdditiveBonus::<Dexterity>::new("tripod", -0.3),
+                    current,
+                    TurnLimitedEffect::new(current, 0),
+                );
+            }
+            Self::SmallLight => {
+                effects.spawn_and_insert(
+                    SimpleStatBonus::<WeaponAccuracy>::new("small light", -3.0 / 50.0),
+                    target,
+                    TurnLimitedEffect::new(target, 1),
+                );
+            }
+            Self::PrecisionLight => {
+                effects.spawn_and_insert(
+                    SimpleStatBonus::<WeaponAccuracy>::new("precision light", -4.0 / 50.0),
+                    target,
+                    TurnLimitedEffect::new(target, 1),
+                );
+            }
+            Self::TacticalIlluminator => {
+                effects.spawn_and_insert(
+                    SimpleStatBonus::<WeaponAccuracy>::new("tactical illuminator", -5.0 / 50.0),
+                    target,
+                    TurnLimitedEffect::new(target, 1),
+                );
+            }
+        }
+    }
+}
+
+/// Effects that are triggered by selecting a weapon
+#[derive(Component)]
+pub enum TurnTriggeredEffect {
+    Mod(TurnTriggeredMod),
+    Bonus {
+        value: f32,
+        bonus: TurnTriggeredBonus,
+    },
+}
+
+impl TurnTriggeredEffect {
+    pub fn trigger(&self, effects: &mut Effects, current: Entity, target: Entity) {
+        match self {
+            TurnTriggeredEffect::Mod(weapon_mod) => {
+                weapon_mod.trigger(effects, current, target);
+            }
+            TurnTriggeredEffect::Bonus { value, bonus } => {
+                bonus.trigger(*value, effects, current, target)
+            }
+        }
+    }
+}
+
+#[derive(Clone, Copy)]
+pub enum FirstTurnMod {
+    AdjustableTrigger,
+    HairTrigger,
+}
+
+impl FirstTurnMod {
+    fn spawn(self, effects: &mut Effects, weapon: Entity, owner: Entity) {
+        match self {
+            Self::AdjustableTrigger => effects.spawn_and_insert(
+                SimpleStatBonus::<WeaponAccuracy>::new("adjustable trigger", 5.0 / 50.0),
+                weapon,
+                TurnLimitedEffect::new(owner, 1),
+            ),
+            Self::HairTrigger => effects.spawn_and_insert(
+                SimpleStatBonus::<WeaponAccuracy>::new("hair trigger", 7.5 / 50.0),
+                weapon,
+                TurnLimitedEffect::new(owner, 1),
+            ),
+        };
+    }
+}
+
+#[derive(Component)]
+pub enum FirstTurnEffect {
+    Mod(FirstTurnMod),
+    Bonus { value: f32, bonus: FirstTurnBonus },
+}
+
+#[derive(Component)]
+pub enum DamageProcEffect {
+    MultiTurn { value: f32, bonus: MultiTurnBonus },
+}
+
+impl FirstTurnEffect {
+    fn spawn(&self, effects: &mut Effects, weapon: Entity, owner: Entity) {
+        match self {
+            Self::Mod(weapon_mod) => weapon_mod.spawn(effects, weapon, owner),
+            Self::Bonus { value, bonus } => bonus.spawn(effects, weapon, owner, *value),
+        };
+    }
+}
+
+#[derive(Component)]
+pub struct EquippedMods(pub Vec<WeaponMod>);
+
+#[derive(Component)]
+pub struct Experience(pub f32);
+
+#[derive(LogMessage)]
+pub struct ReloadWeapon {
+    #[log(player)]
+    pub actor: Entity,
+    #[log(weapon)]
+    pub weapon: Entity,
+}
+
+#[derive(LogMessage)]
+pub struct MissTarget {
+    #[log(player)]
+    pub actor: Entity,
+    #[log(player)]
+    pub recipient: Entity,
+    #[log(weapon)]
+    pub weapon: Entity,
+    pub rounds: Option<u16>,
+}
+
+#[derive(Bundle)]
+pub struct WeaponBundle {
+    pub usable: Usable,
+    pub weapon: Weapon,
+    pub name: Name,
+    pub id: Id,
+    pub verb: WeaponVerb,
+    pub slot: WeaponSlot,
+}
+
+#[derive(Bundle)]
+pub struct DamagingWeaponBundle {
+    pub crit_rate: SimpleStatBundle<CritRate>,
+    pub dmg: DamageStat,
+    pub acc: SimpleStatBundle<WeaponAccuracy>,
+    pub dmg_bonus: SimpleStatBundle<DamageBonus>,
+    pub equipped_mods: EquippedMods,
+    pub experience: Experience,
+    pub category: WeaponCategory,
+}
+
+#[derive(Bundle)]
+pub struct AmmoWeaponBundle {
+    pub ammo: Ammo,
+    pub clips: SimpleStatBundle<Clips>,
+    pub clip_size: SimpleStatBundle<ClipSize>,
+    pub rate_of_fire: RateOfFire,
+    pub ammo_control: SimpleStatBundle<AmmoControl>,
+}
+
+impl WeaponBundle {
+    pub fn new(name: String, id: usize, verb: WeaponVerb, slot: WeaponSlot) -> Self {
+        Self {
+            usable: Usable,
+            weapon: Weapon,
+            name: Name(name),
+            id: Id(id),
+            verb,
+            slot,
+        }
+    }
+
+    pub fn fists(id: usize) -> Self {
+        Self::new("Fists".to_owned(), id, WeaponVerb::Hit, WeaponSlot::Fists)
+    }
+
+    pub fn kick(id: usize) -> Self {
+        Self::new("Kick".to_owned(), id, WeaponVerb::Kicked, WeaponSlot::Kick)
+    }
+}
+
+impl DamagingWeaponBundle {
+    pub fn new(
+        dmg: f32,
+        acc: f32,
+        mods: Vec<WeaponMod>,
+        exp: f32,
+        category: WeaponCategory,
+    ) -> Self {
+        Self {
+            crit_rate: SimpleStatBundle::new(0),
+            dmg: DamageStat(dmg / 10.0),
+            acc: SimpleStatBundle::new((acc - 50.0) / 50.0),
+            dmg_bonus: SimpleStatBundle::new(1.0),
+            equipped_mods: EquippedMods(mods),
+            experience: Experience(exp),
+            category,
+        }
+    }
+
+    pub fn fists() -> Self {
+        // NOTE: The accuracy value is taken from the attack page. The damage value here differs
+        // from the one in Proxima's simulator, but in some quick tests 10.0 proofed to be a better fit
+        // This might have changed in the weapon damage update
+        Self::new(10.0, 50.0, Vec::default(), 0.0, WeaponCategory::HandToHand)
+    }
+
+    pub fn kick() -> Self {
+        // NOTE: The accuracy value is taken from the attack page. The damage value here differs
+        // from the one in Proxima's simulator, but in some quick tests 30.0 proofed to be a better fit
+        // This might have changed in the weapon damage update
+        Self::new(30.0, 40.0, Vec::default(), 0.0, WeaponCategory::HandToHand)
+    }
+}
+
+impl AmmoWeaponBundle {
+    pub fn new(clips: u16, clip_size: u16, rof: [u16; 2]) -> Self {
+        Self {
+            ammo: Ammo(clip_size),
+            clips: SimpleStatBundle::new(clips - 1),
+            clip_size: SimpleStatBundle::new(clip_size),
+            rate_of_fire: RateOfFire(rof),
+            ammo_control: SimpleStatBundle::new(0.0),
+        }
+    }
+}
+
+fn set_owner(weapons_q: Query<(Entity, &Weapons)>, mut commands: Commands) {
+    for (player, weapons) in weapons_q.iter() {
+        if let Some(primary) = weapons.primary {
+            commands.entity(primary).set_parent(player);
+        }
+        if let Some(secondary) = weapons.secondary {
+            commands.entity(secondary).set_parent(player);
+        }
+        if let Some(melee) = weapons.melee {
+            commands.entity(melee).set_parent(player);
+        }
+        if let Some(temp) = weapons.temporary {
+            commands.entity(temp).set_parent(player);
+        }
+        commands.entity(weapons.fists.unwrap()).set_parent(player);
+        if let Some(kick) = weapons.kick {
+            commands.entity(kick).set_parent(player);
+        }
+    }
+}
+
+fn apply_passives(
+    weapon_q: Query<(
+        Entity,
+        &EquippedMods,
+        &Experience,
+        &WeaponCategory,
+        &WeaponSlot,
+        Has<Japanese>,
+        &Parent,
+    )>,
+    player_q: Query<(&Merits, &Education, &FactionUpgrades)>,
+    mut effects: Effects,
+    mut commands: Commands,
+) {
+    for (weapon, mods, exp, cat, slot, japanese, player) in weapon_q.iter() {
+        let exp = (exp.0 / 10.0).round();
+        if exp > 0.0 {
+            effects.spawn(
+                SimpleStatBonus::<WeaponAccuracy>::new("experience", exp * 0.2 / 50.0),
+                weapon,
+            );
+            effects.spawn(
+                SimpleStatBonus::<DamageBonus>::new("experience", exp / 100.0),
+                weapon,
+            );
+        }
+
+        for w_mod in &mods.0 {
+            match w_mod {
+                WeaponMod::ReflexSight => {
+                    effects.spawn(
+                        SimpleStatBonus::<WeaponAccuracy>::new("reflex sight", 1.0 / 50.0),
+                        weapon,
+                    );
+                }
+                WeaponMod::HolographicSight => {
+                    effects.spawn(
+                        SimpleStatBonus::<WeaponAccuracy>::new("holographic sight", 1.25 / 50.0),
+                        weapon,
+                    );
+                }
+                WeaponMod::AcogSight => {
+                    effects.spawn(
+                        SimpleStatBonus::<WeaponAccuracy>::new("ACOG sight", 1.5 / 50.0),
+                        weapon,
+                    );
+                }
+                WeaponMod::ThermalSight => {
+                    effects.spawn(
+                        SimpleStatBonus::<WeaponAccuracy>::new("thermal sight", 1.75 / 50.0),
+                        weapon,
+                    );
+                }
+                WeaponMod::Laser1mw => {
+                    effects.spawn(SimpleStatBonus::<CritRate>::new("1mw laser", 4), weapon);
+                }
+                WeaponMod::Laser5mw => {
+                    effects.spawn(SimpleStatBonus::<CritRate>::new("5mw laser", 6), weapon);
+                }
+                WeaponMod::Laser30mw => {
+                    effects.spawn(SimpleStatBonus::<CritRate>::new("30mw laser", 8), weapon);
+                }
+                WeaponMod::Laser100mw => {
+                    effects.spawn(SimpleStatBonus::<CritRate>::new("100mw laser", 10), weapon);
+                }
+                WeaponMod::SmallSuppressor => {
+                    effects.spawn(
+                        SimpleStatBonus::<DamageBonus>::new("small suppressor", -0.05),
+                        weapon,
+                    );
+                }
+                WeaponMod::StandardSuppressor => {
+                    effects.spawn(
+                        SimpleStatBonus::<DamageBonus>::new("standard suppressor", -0.05),
+                        weapon,
+                    );
+                }
+                WeaponMod::LargeSuppressor => {
+                    effects.spawn(
+                        SimpleStatBonus::<DamageBonus>::new("large suppressor", -0.05),
+                        weapon,
+                    );
+                }
+                WeaponMod::ExtendedMags => {
+                    effects.spawn(
+                        SimpleStatBonus::<ClipSize>::new("extended mags", 1.2),
+                        weapon,
+                    );
+                }
+                WeaponMod::HighCapacityMags => {
+                    effects.spawn(
+                        SimpleStatBonus::<ClipSize>::new("high capacity mags", 1.3),
+                        weapon,
+                    );
+                }
+                WeaponMod::CustomGrip => {
+                    effects.spawn(
+                        SimpleStatBonus::<WeaponAccuracy>::new("custom grip", 0.75),
+                        weapon,
+                    );
+                }
+                WeaponMod::SkeetChoke => {
+                    effects.spawn(
+                        SimpleStatBonus::<DamageBonus>::new("skeet choke", 0.06),
+                        weapon,
+                    );
+                }
+                WeaponMod::ImprovedChoke => {
+                    effects.spawn(
+                        SimpleStatBonus::<DamageBonus>::new("improved choke", 0.08),
+                        weapon,
+                    );
+                }
+                WeaponMod::FullChoke => {
+                    effects.spawn(
+                        SimpleStatBonus::<DamageBonus>::new("full choke", 0.10),
+                        weapon,
+                    );
+                }
+                WeaponMod::ExtraClip => {
+                    effects.spawn(SimpleStatBonus::<Clips>::new("extra clip", 1), weapon);
+                }
+                WeaponMod::ExtraClip2 => {
+                    effects.spawn(SimpleStatBonus::<Clips>::new("extra clip x2", 2), weapon);
+                }
+                WeaponMod::RecoilPad => {
+                    effects.spawn(
+                        SimpleStatBonus::<AmmoControl>::new("recoil pad", 0.24),
+                        weapon,
+                    );
+                }
+                WeaponMod::StandardBrake => {
+                    effects.spawn(
+                        SimpleStatBonus::<WeaponAccuracy>::new("standard brake", 1.00 / 50.0),
+                        weapon,
+                    );
+                }
+                WeaponMod::HeavyDutyBreak => {
+                    effects.spawn(
+                        SimpleStatBonus::<WeaponAccuracy>::new("heavy duty brake", 1.25 / 50.0),
+                        weapon,
+                    );
+                }
+                WeaponMod::TacticalBrake => {
+                    effects.spawn(
+                        SimpleStatBonus::<WeaponAccuracy>::new("tactical brake", 1.50 / 50.0),
+                        weapon,
+                    );
+                }
+                WeaponMod::Bipod => {
+                    effects.spawn(
+                        SimpleStatBonus::<WeaponAccuracy>::new("bipod", 1.75 / 50.0),
+                        weapon,
+                    );
+                    commands
+                        .spawn(TurnTriggeredEffect::Mod(TurnTriggeredMod::Bipod))
+                        .set_parent(weapon);
+                }
+                WeaponMod::Tripod => {
+                    effects.spawn(
+                        SimpleStatBonus::<WeaponAccuracy>::new("bipod", 2.00 / 50.0),
+                        weapon,
+                    );
+                    commands
+                        .spawn(TurnTriggeredEffect::Mod(TurnTriggeredMod::Tripod))
+                        .set_parent(weapon);
+                }
+                WeaponMod::SmallLight => {
+                    commands
+                        .spawn(TurnTriggeredEffect::Mod(TurnTriggeredMod::SmallLight))
+                        .set_parent(weapon);
+                }
+                WeaponMod::PrecisionLight => {
+                    commands
+                        .spawn(TurnTriggeredEffect::Mod(TurnTriggeredMod::PrecisionLight))
+                        .set_parent(weapon);
+                }
+                WeaponMod::TacticalIlluminator => {
+                    commands
+                        .spawn(TurnTriggeredEffect::Mod(
+                            TurnTriggeredMod::TacticalIlluminator,
+                        ))
+                        .set_parent(weapon);
+                }
+                WeaponMod::AdjustableTrigger => {
+                    commands
+                        .spawn(FirstTurnEffect::Mod(FirstTurnMod::AdjustableTrigger))
+                        .set_parent(weapon);
+                }
+                WeaponMod::HairTrigger => {
+                    commands
+                        .spawn(FirstTurnEffect::Mod(FirstTurnMod::HairTrigger))
+                        .set_parent(weapon);
+                }
+            }
+        }
+
+        let (merits, education, faction) = player_q.get(player.get()).unwrap();
+
+        let (mastery, edu_acc) = match cat {
+            WeaponCategory::HeavyArtillery => (
+                merits.heavy_artillery_mastery,
+                education.cbt2860.then_some("CBT2860"),
+            ),
+            WeaponCategory::MachineGun => (
+                merits.machine_gun_mastery,
+                education.cbt2830.then_some("CTB2830"),
+            ),
+            WeaponCategory::Rifle => (merits.rifle_mastery, education.cbt2850.then_some("CBT2850")),
+            WeaponCategory::Smg => (merits.smg_mastery, education.cbt2830.then_some("CBT2830")),
+            WeaponCategory::Shotgun => (
+                merits.shotgun_mastery,
+                education.cbt2125.then_some("CBT2125"),
+            ),
+            WeaponCategory::Pistol => (
+                merits.pistol_mastery,
+                education.cbt2840.then_some("CBT2840"),
+            ),
+            WeaponCategory::Club => (merits.club_mastery, None),
+            WeaponCategory::Piercing => (merits.piercing_mastery, None),
+            WeaponCategory::Slashing => (merits.slashing_mastery, None),
+            WeaponCategory::Mechanical => (merits.mechanical_mastery, None),
+            WeaponCategory::Temporary => {
+                if education.gen2119 {
+                    effects.spawn(SimpleStatBonus::<DamageBonus>::new("GEN2119", 0.05), weapon);
+                }
+                (
+                    merits.temporary_mastery,
+                    education.gen2116.then_some("GEN2116"),
+                )
+            }
+            WeaponCategory::HandToHand => (0, None),
+        };
+
+        if let Some(label) = edu_acc {
+            effects.spawn(
+                SimpleStatBonus::<WeaponAccuracy>::new(label, 1.0 / 50.0),
+                weapon,
+            );
+        }
+
+        // NOTE: Even though it says "weapons" in the description, this also applies to h2h
+        if education.bio2350 {
+            effects.spawn(SimpleStatBonus::<DamageBonus>::new("BIO2350", 0.01), weapon);
+        }
+
+        if education.def3770 && *slot == WeaponSlot::Fists {
+            effects.spawn(SimpleStatBonus::<DamageBonus>::new("DEF3770", 1.0), weapon);
+        }
+
+        if education.his2170 && *slot == WeaponSlot::Melee {
+            effects.spawn(SimpleStatBonus::<DamageBonus>::new("HIS2170", 0.02), weapon);
+        }
+
+        if matches!(*slot, WeaponSlot::Primary | WeaponSlot::Secondary) {
+            if education.mth2310 {
+                effects.spawn(SimpleStatBonus::<AmmoControl>::new("MTH2310", 0.05), weapon);
+            }
+            if education.mth3330 {
+                effects.spawn(SimpleStatBonus::<AmmoControl>::new("MTH3330", 0.20), weapon);
+            }
+        }
+
+        if education.his2160 && japanese {
+            effects.spawn(SimpleStatBonus::<DamageBonus>::new("HIS2160", 0.10), weapon);
+        }
+
+        if mastery > 0 {
+            effects.spawn(
+                SimpleStatBonus::<WeaponAccuracy>::new("mastery", (mastery as f32) * 0.2 / 50.0),
+                weapon,
+            );
+            effects.spawn(
+                SimpleStatBonus::<DamageBonus>::new("mastery", (mastery as f32) / 100.0),
+                weapon,
+            );
+        }
+
+        if faction.dmg > 0 {
+            effects.spawn(
+                SimpleStatBonus::<DamageBonus>::new("faction", (faction.dmg as f32) * 0.01),
+                weapon,
+            );
+        }
+        if faction.acc > 0 {
+            effects.spawn(
+                SimpleStatBonus::<WeaponAccuracy>::new(
+                    "faction",
+                    (faction.dmg as f32) * 0.2 / 50.0,
+                ),
+                weapon,
+            );
+        }
+    }
+}
+
+fn unset_current(weapon_q: Query<Entity, (With<Current>, With<Weapon>)>, mut commands: Commands) {
+    for weapon in weapon_q.iter() {
+        commands.entity(weapon).remove::<Current>();
+    }
+}
+
+// TODO: Move all mitigation aspects of this into the player system
+pub fn use_damaging_weapon(
+    mut rng: ResMut<Rng>,
+    weapon_q: Query<
+        (
+            Entity,
+            &DamageStat,
+            &SimpleStatEffective<WeaponAccuracy>,
+            &SimpleStatEffective<DamageBonus>,
+            &SimpleStatEffective<CritRate>,
+            Has<NonTargeted>,
+        ),
+        (With<Weapon>, With<Current>, Without<NeedsReload>),
+    >,
+    player_q: Query<
+        (
+            Entity,
+            &EffectiveStat<Speed>,
+            &SimpleStatEffective<CritRate>,
+            &SimpleStatEffective<WeaponAccuracy>,
+            &SimpleStatEffective<DamageBonus>,
+        ),
+        (With<Player>, With<Current>),
+    >,
+    target_q: Query<(Entity, &EffectiveStat<Dexterity>), With<CurrentTarget>>,
+    (mut ammo_q, mut temp_q): (
+        Query<(
+            &mut Ammo,
+            &SimpleStatEffective<Clips>,
+            &RateOfFire,
+            &SimpleStatEffective<AmmoControl>,
+        )>,
+        Query<&mut Uses>,
+    ),
+    mut hit_events: EventWriter<InitiateHit>,
+    (mut logger, mut commands, metrics): (Logger, Commands, Res<Metrics>),
+) {
+    let Ok((weapon, dmg, acc, dmg_bonus, crit, non_targeted)) = weapon_q.get_single() else {
+        return;
+    };
+    let (player, player_spd, player_crit, acc_bonus, p_dmg_bonus) = player_q.single();
+    let (target, target_dex) = target_q.single();
+
+    if let Ok(mut uses) = temp_q.get_mut(weapon) {
+        uses.0 -= 1;
+        if uses.0 == 0 {
+            commands.entity(weapon).remove::<Usable>();
+        }
+    }
+
+    let spd_dex_ratio = (player_spd.value / target_dex.value).clamp(1.0 / 64.0, 64.0);
+    let base_hit_chance = if spd_dex_ratio < 1.0 {
+        0.5 * (8.0 * spd_dex_ratio.sqrt() - 1.0) / 7.0
+    } else {
+        1.0 - 0.5 * (8.0 / spd_dex_ratio.sqrt() - 1.0) / 7.0
+    };
+
+    let mut acc_eff = acc + acc_bonus;
+
+    let mut ammo = ammo_q
+        .get_mut(weapon)
+        .ok()
+        .map(|(ammo, clips, rof, ammo_ctrl)| {
+            let ammo_ctrl = 1.0 - (ammo_ctrl).value;
+            let rof_eff = ((rof.0[0] as f32) * ammo_ctrl)..((rof.0[1] as f32) * ammo_ctrl);
+            (ammo, clips, rof_eff)
+        });
+
+    enum MultiAttack {
+        Blindfire,
+        Rage(usize),
+        Fury(usize),
+        DoubleTap { fired_first: bool },
+    }
+
+    let mut multi_attack_proc = None;
+    let crit = player_crit + crit;
+
+    loop {
+        let rounds = ammo.as_mut().map(|(ref mut ammo, clips, rof)| {
+            let rounds = (rng.gen_range(rof.clone()).round() as u16).clamp(1, ammo.0);
+            metrics.increment_counter(player, "rounds_fired", rounds.into());
+            metrics.increment_counter(weapon, "rounds_fired", rounds.into());
+            ammo.0 -= rounds;
+            if ammo.0 == 0 {
+                if clips.value == 0 {
+                    commands.entity(weapon).remove::<Usable>();
+                } else {
+                    commands.entity(weapon).insert(NeedsReload);
+                }
+            }
+            rounds
+        });
+
+        let hit_chance = if base_hit_chance < 0.5 {
+            base_hit_chance + acc_eff.value * base_hit_chance
+        } else {
+            base_hit_chance + acc_eff.value * (1.0 - base_hit_chance)
+        };
+
+        if hit_chance <= 1.0 && !rng.gen_bool(hit_chance as f64) {
+            logger.log(|| MissTarget {
+                weapon,
+                actor: player,
+                recipient: target,
+                rounds,
+            });
+            metrics.increment_counter(player, "miss", 1);
+            metrics.increment_counter(weapon, "miss", 1);
+
+            if multi_attack_proc.is_none() {
+                return;
+            };
+        } else {
+            let body_part = if !non_targeted {
+                rng.sample(crit)
+            } else {
+                BodyPart::Stomach
+            };
+
+            hit_events.send(InitiateHit {
+                body_part,
+                weapon,
+                rounds,
+                dmg: dmg.0,
+                dmg_bonus_weapon: dmg_bonus.value,
+                dmg_bonus_player: p_dmg_bonus.value,
+                hit_chance,
+                crit_rate: crit.value,
+            });
+        }
+
+        match multi_attack_proc {
+            Some(MultiAttack::Blindfire) => acc_eff.value -= 5.0 / 50.0,
+            Some(MultiAttack::Rage(turns @ 1..)) => {
+                multi_attack_proc = Some(MultiAttack::Rage(turns - 1))
+            }
+            Some(MultiAttack::Fury(turns @ 1..)) => {
+                multi_attack_proc = Some(MultiAttack::Fury(turns - 1))
+            }
+            Some(MultiAttack::DoubleTap { fired_first: false }) => {
+                multi_attack_proc = Some(MultiAttack::DoubleTap { fired_first: true })
+            }
+            _ => break,
+        }
+    }
+    /*
+    let hit_chance = if base_hit_chance < 0.5 {
+        base_hit_chance + acc_eff.value * base_hit_chance
+    } else {
+        base_hit_chance + acc_eff.value * (1.0 - base_hit_chance)
+    };
+
+    if hit_chance <= 1.0 && !rng.gen_bool(hit_chance as f64) {
+        logger.log(|| MissTarget {
+            weapon,
+            actor: player,
+            recipient: target,
+            rounds: rounds.map(|(rounds, _)| rounds),
+        });
+        metrics.increment_counter(player, "miss", 1);
+        metrics.increment_counter(weapon, "miss", 1);
+        return;
+    }
+
+    let crit = player_crit + crit;
+
+    let body_part = if !non_targeted {
+        rng.sample(crit)
+    } else {
+        BodyPart::Stomach
+    };
+
+    let def_str_ratio = (target_def.value / player_str.value).clamp(1.0 / 32.0, 14.0);
+    let mitigation = if def_str_ratio < 1.0 {
+        0.5 * def_str_ratio.log(32.0) + 0.5
+    } else {
+        0.5 * def_str_ratio.log(14.0) + 0.5
+    };
+
+    let dmg_intrinsic = 7.0 * (player_str.value / 10.0).log10().powi(2)
+        + 27.0 * (player_str.value / 10.0).log10()
+        + 30.0;
+
+    init_hit.send(InitiateHit {
+        body_part,
+        weapon,
+        rounds: rounds.map(|(rounds, _)| rounds),
+        crit_rate: crit.value,
+        dmg: dmg.0,
+        dmg_bonus_weapon: (dmg_bonus + p_dmg_bonus).value,
+        dmg_intrinsic,
+        def_mitigation: mitigation,
+        hit_chance,
+    }); */
+}
+
+fn reload_weapon(
+    mut weapon_q: Query<
+        (
+            Entity,
+            &Parent,
+            &mut Ammo,
+            &mut SimpleStatEffective<Clips>,
+            &SimpleStatEffective<ClipSize>,
+        ),
+        (With<NeedsReload>, With<Current>),
+    >,
+    mut commands: Commands,
+    mut logger: Logger,
+) {
+    for (weapon, player, mut ammo, mut clips, clip_size) in weapon_q.iter_mut() {
+        ammo.0 = clip_size.value;
+        clips.value -= 1;
+
+        logger.log(|| ReloadWeapon {
+            actor: player.get(),
+            weapon,
+        });
+
+        commands.entity(weapon).remove::<NeedsReload>();
+    }
+}
+
+fn restore_usability(weapon_q: Query<Entity, With<Weapon>>, mut commands: Commands) {
+    for weapon in weapon_q.iter() {
+        commands.entity(weapon).insert(Usable);
+    }
+}
+
+fn restore_ammo(
+    mut ammo_q: Query<(Entity, &mut Ammo, &SimpleStatEffective<ClipSize>)>,
+    mut commands: Commands,
+) {
+    for (weapon, mut ammo, clip_size) in ammo_q.iter_mut() {
+        ammo.0 = clip_size.value;
+        commands.entity(weapon).remove::<NeedsReload>();
+    }
+}
+
+fn apply_first_turn_effects(
+    effect_q: Query<(&Parent, &FirstTurnEffect)>,
+    player_q: Query<&Parent>,
+    mut effects: Effects,
+) {
+    for (weapon, effect) in effect_q.iter() {
+        let player = player_q.get(weapon.get()).unwrap();
+        effect.spawn(&mut effects, weapon.get(), player.get());
+    }
+}
+
+pub(crate) fn configure(stages: &mut Stages) {
+    stages.equip.add_systems(set_owner);
+    stages.pre_fight.add_systems((
+        apply_passives,
+        apply_first_turn_effects
+            .after(apply_passives)
+            .after(bonus::prepare_bonuses),
+    ));
+    stages.turn.add_systems(reload_weapon);
+    stages.post_turn.add_systems(unset_current);
+    stages
+        .restore
+        .add_systems((restore_ammo, restore_usability, apply_first_turn_effects));
+
+    temp::configure(stages);
+    bonus::configure(stages);
+}