53 lines
1.2 KiB
Rust
53 lines
1.2 KiB
Rust
//! `Line` type.
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use crate::{bin::OptU16, err::*};
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use bitflags::bitflags;
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/// Reads a `LINS` chunk.
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pub fn read(b: &[u8]) -> ResultS<(Line, 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 pnt_beg = u16[0];
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let pnt_end = u16[2];
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let flags = u16[4] flag LineFlags;
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let side_fr = OptU16[12];
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let side_bk = OptU16[14];
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let poly_fr = OptU16[16];
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let poly_bk = OptU16[18];
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}
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}
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Ok((Line{flags, pnt_beg, pnt_end, side_fr, side_bk, poly_fr, poly_bk}, 32))
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}
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/// A line segment.
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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 Line
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{
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pub flags: LineFlags,
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pub pnt_beg: u16,
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pub pnt_end: u16,
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pub side_fr: OptU16,
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pub side_bk: OptU16,
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pub poly_fr: OptU16,
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pub poly_bk: OptU16,
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}
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bitflags! {
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/// Flags for `Line`.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub struct LineFlags: u16
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{
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const TRANS_SIDE = 1 << 9;
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const ELEV_VAR = 1 << 10;
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const ELEVATION = 1 << 11;
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const LANDSCAPE = 1 << 12;
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const TRANSPARENT = 1 << 13;
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const SOLID = 1 << 14;
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}
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}
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// EOF
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