399 lines
13 KiB
Rust
399 lines
13 KiB
Rust
//! `Light` type.
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use super::{ltfn, TICKS_PER_SECOND};
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use crate::{err::*, fixed::Fixed};
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/// Reads a `LITE` chunk.
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pub fn read(b: &[u8]) -> ResultS<(Light, usize)>
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{
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read_data! {
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endian: BIG, buf: b, size: 100, start: 0, data {
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let ltype = u16[0] enum LightType;
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let flags = u16[2] flag LightFlags;
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let phase = i16[4];
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let act_pri = ltfn::read[6; 14];
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let act_sec = ltfn::read[20; 14];
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let act_mid = ltfn::read[34; 14];
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let ina_pri = ltfn::read[48; 14];
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let ina_sec = ltfn::read[62; 14];
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let ina_mid = ltfn::read[76; 14];
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let tag = u16[90];
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}
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}
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Ok((Light{ltype, flags, phase, act_pri, act_sec, act_mid, ina_pri, ina_sec,
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ina_mid, tag}, 100))
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}
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/// Reads an old `LITE` chunk.
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pub fn read_old(b: &[u8]) -> ResultS<(Light, usize)>
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{
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read_data! {
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endian: BIG, buf: b, size: 32, start: 0, data {
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let ltype = u16[2] usize;
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let mode = u16[4];
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let phase = i16[6];
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let min = Fixed[8];
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let max = Fixed[12];
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let prd = u16[16];
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}
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}
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if OLD_LIGHT_DEFINITIONS.len() < ltype {
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bail!("bad old light type");
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}
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let lite = &OLD_LIGHT_DEFINITIONS[ltype];
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let on = mode == 0 || mode == 1;
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let strobe = ltype == 3;
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let flags = if on {lite.flags | LightFlags::INIT_ACTIVE} else {lite.flags};
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// modify each old light function accordingly
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let old_lfun = move |func: <fn::LightFunc| -> ltfn::LightFunc {
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ltfn::LightFunc{ftype: func.ftype,
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prd_nrm: if strobe {prd / 4 + 1} else {func.prd_nrm},
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prd_dta: func.prd_dta,
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val_nrm: if func.val_nrm > 0.into() {max} else {min},
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val_dta: func.val_dta}
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};
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Ok((Light{flags,
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phase,
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act_pri: old_lfun(&lite.act_pri),
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act_sec: old_lfun(&lite.act_sec),
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act_mid: old_lfun(&lite.act_mid),
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ina_pri: old_lfun(&lite.ina_pri),
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ina_sec: old_lfun(&lite.ina_sec),
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ina_mid: old_lfun(&lite.ina_mid),
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tag: 0,
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..*lite}, 32))
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}
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/// A dynamic polygon light.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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#[derive(Clone, Debug, Eq, PartialEq)]
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pub struct Light {
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pub ltype: LightType,
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pub flags: LightFlags,
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pub phase: i16,
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pub act_pri: ltfn::LightFunc,
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pub act_sec: ltfn::LightFunc,
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pub act_mid: ltfn::LightFunc,
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pub ina_pri: ltfn::LightFunc,
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pub ina_sec: ltfn::LightFunc,
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pub ina_mid: ltfn::LightFunc,
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pub tag: u16,
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}
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c_bitfield! {
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/// Flags for `Light`.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub struct LightFlags: u16 {
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INIT_ACTIVE = 0,
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SLAVE_VALUE = 1,
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STATELESS = 2,
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}
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}
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c_enum! {
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/// The type of a `Light`.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub enum LightType: u16 {
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Normal = 0,
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Strobe = 1,
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Media = 2,
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}
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}
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const OLD_LIGHT_DEFINITIONS: [Light; 8] = [
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// Normal
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Light{ltype: LightType::Normal,
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flags: LightFlags::SLAVE_VALUE,
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phase: 0,
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act_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: 1,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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ina_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: 1,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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tag: 0},
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// Rheostat
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Light{ltype: LightType::Normal,
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flags: LightFlags::SLAVE_VALUE,
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phase: 0,
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act_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Smooth,
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prd_nrm: TICKS_PER_SECOND * 3,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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ina_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Smooth,
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prd_nrm: TICKS_PER_SECOND * 3,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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tag: 0},
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// Flourescent
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Light{ltype: LightType::Normal,
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flags: LightFlags::SLAVE_VALUE,
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phase: 0,
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act_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Fluorescent,
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prd_nrm: TICKS_PER_SECOND * 3,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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ina_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: 1,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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tag: 0},
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// Strobe
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Light{ltype: LightType::Normal,
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flags: LightFlags::SLAVE_VALUE,
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phase: 0,
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act_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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act_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: 1,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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ina_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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ina_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: 1,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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tag: 0},
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// Flicker
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Light{ltype: LightType::Normal,
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flags: LightFlags::SLAVE_VALUE,
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phase: 0,
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act_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Flicker,
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prd_nrm: TICKS_PER_SECOND * 3,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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ina_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: 1,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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tag: 0},
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// Pulsate
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Light{ltype: LightType::Normal,
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flags: LightFlags::SLAVE_VALUE,
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phase: 0,
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act_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Smooth,
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prd_nrm: TICKS_PER_SECOND * 2,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Smooth,
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prd_nrm: TICKS_PER_SECOND * 2 - 1,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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act_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Smooth,
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prd_nrm: TICKS_PER_SECOND * 2 - 1,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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ina_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Smooth,
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prd_nrm: TICKS_PER_SECOND * 2,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Smooth,
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prd_nrm: TICKS_PER_SECOND * 2 - 1,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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ina_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Smooth,
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prd_nrm: TICKS_PER_SECOND * 2,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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tag: 0},
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// Annoying
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Light{ltype: LightType::Normal,
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flags: LightFlags::SLAVE_VALUE,
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phase: 0,
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act_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Random,
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prd_nrm: 2,
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prd_dta: 1,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: 2,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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act_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Random,
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prd_nrm: 1,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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ina_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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tag: 0},
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// Energy Efficient
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Light{ltype: LightType::Normal,
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flags: LightFlags::SLAVE_VALUE,
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phase: 0,
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act_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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act_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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act_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Linear,
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prd_nrm: TICKS_PER_SECOND * 2,
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prd_dta: 0,
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val_nrm: Fixed::from_int(1),
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val_dta: Fixed::from_int(0)},
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ina_pri: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_sec: ltfn::LightFunc{ftype: ltfn::LightFuncType::Constant,
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prd_nrm: TICKS_PER_SECOND,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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ina_mid: ltfn::LightFunc{ftype: ltfn::LightFuncType::Linear,
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prd_nrm: TICKS_PER_SECOND * 2,
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prd_dta: 0,
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val_nrm: Fixed::from_int(0),
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val_dta: Fixed::from_int(0)},
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tag: 0},
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];
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// EOF
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