58 lines
1.2 KiB
Rust
58 lines
1.2 KiB
Rust
//! `Object` type.
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use crate::{err::*, fixed::{Angle, Unit}};
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/// Reads an `OBJS` chunk.
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pub fn read(b: &[u8]) -> ResultS<(Object, usize)>
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{
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read_data! {
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endian: BIG, buf: b, size: 16, start: 0, data {
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let group = u16[0];
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let index = u16[2];
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let angle = Angle[4];
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let poly = u16[6];
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let pos_x = Unit[8];
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let pos_y = Unit[10];
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let pos_z = Unit[12];
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let flags = u16[14];
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}
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}
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let bias = flags & 0xF0_00;
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let flags = flags & 0x0F_FF;
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let bias = bias >> 12;
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let flags = flag_ok!(ObjectFlags, flags)?;
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Ok((Object{group, index, angle, poly, pos_x, pos_y, pos_z, flags, bias}, 16))
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}
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/// An object in the world.
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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 Object {
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pub group: u16,
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pub index: u16,
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pub angle: Angle,
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pub poly: u16,
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pub pos_x: Unit,
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pub pos_y: Unit,
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pub pos_z: Unit,
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pub flags: ObjectFlags,
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pub bias: u16,
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}
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c_bitfield! {
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/// Flags for `Object`.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub struct ObjectFlags: u16 {
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INVISIBLE = 0,
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CEILING = 1,
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BLIND = 2,
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DEAF = 3,
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FLOATING = 4,
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NET_ONLY = 5,
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}
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}
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// EOF
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