113 lines
3.3 KiB
Rust
113 lines
3.3 KiB
Rust
//! `Weapon` type.
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use crate::{bin::OptU16, err::*, fixed::Fixed};
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use bitflags::bitflags;
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use super::trig;
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/// Reads a `WPpx` chunk.
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pub fn read(b: &[u8]) -> ResultS<(Weapon, usize)>
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{
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read_data! {
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endian: BIG, buf: b, size: 134, start: 0, data {
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let typ_item = u16[0];
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let typ_powerup = OptU16[2];
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let typ_weapon = u16[4] enum WeaponType;
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let flags = u16[6] flag WeaponFlags;
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let lit_value = Fixed[8];
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let lit_decay = u16[12];
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let hei_idle = Fixed[14];
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let amp_bob = Fixed[18];
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let hei_kick = Fixed[22];
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let hei_reload = Fixed[26];
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let wid_idle = Fixed[30];
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let amp_horz = Fixed[34];
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let collection = u16[38];
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let frm_idle = u16[40];
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let frm_firing = u16[42];
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let frm_reload = OptU16[44];
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let frm_charge = OptU16[48];
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let frm_charged = OptU16[50];
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let tic_ready = u16[52];
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let tic_load_beg = u16[54];
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let tic_load_mid = u16[56];
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let tic_load_end = u16[58];
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let tic_powerup = u16[60];
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let trig_pri = trig::read[62; 36];
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let trig_sec = trig::read[98; 36];
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}
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}
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Ok((Weapon{amp_bob, amp_horz, collection, flags, frm_charge, frm_charged,
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frm_firing, frm_idle, frm_reload, hei_idle, hei_kick, hei_reload,
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lit_decay, lit_value, tic_load_beg, tic_load_end, tic_load_mid,
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tic_powerup, tic_ready, trig_pri, trig_sec, typ_item,
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typ_powerup, typ_weapon, wid_idle}, 134))
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}
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/// A weapon definition.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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#[derive(Debug, Eq, PartialEq)]
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pub struct Weapon
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{
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pub amp_bob: Fixed,
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pub amp_horz: Fixed,
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pub collection: u16,
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pub flags: WeaponFlags,
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pub frm_charge: OptU16,
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pub frm_charged: OptU16,
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pub frm_firing: u16,
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pub frm_idle: u16,
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pub frm_reload: OptU16,
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pub hei_idle: Fixed,
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pub hei_kick: Fixed,
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pub hei_reload: Fixed,
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pub lit_decay: u16,
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pub lit_value: Fixed,
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pub tic_load_beg: u16,
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pub tic_load_end: u16,
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pub tic_load_mid: u16,
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pub tic_powerup: u16,
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pub tic_ready: u16,
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pub trig_pri: trig::Trigger,
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pub trig_sec: trig::Trigger,
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pub typ_item: u16,
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pub typ_powerup: OptU16,
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pub typ_weapon: WeaponType,
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pub wid_idle: Fixed,
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}
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bitflags! {
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/// Flags for a weapon.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub struct WeaponFlags: u16
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{
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const AUTOMATIC = 1;
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const REMOVE_AFTER_USE = 1 << 1;
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const INSTANT_CASING = 1 << 2;
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const OVERLOADS = 1 << 3;
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const RANDOM_AMMO = 1 << 4;
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const TEMPORARY_POWER = 1 << 5;
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const RELOAD_ONE_HAND = 1 << 6;
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const FIRE_OUT_OF_PHASE = 1 << 7;
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const FIRE_UNDER_MEDIA = 1 << 8;
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const TRIGGER_SAME_AMMO = 1 << 9;
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const SECONDARY_FLIP = 1 << 10;
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}
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}
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c_enum! {
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/// The type of functionality a weapon provides.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub enum WeaponType: u16
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{
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Melee = 0,
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Normal = 1,
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DualFunc = 2,
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DualPistol = 3,
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Multipurpose = 4,
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}
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}
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// EOF
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