53 lines
1.2 KiB
Rust
53 lines
1.2 KiB
Rust
//! `Endpoint` type.
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use super::pnts;
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use crate::{err::*, fixed::Unit};
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use bitflags::bitflags;
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/// Reads an `EPNT` chunk.
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pub fn read(b: &[u8]) -> ResultS<(Endpoint, 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 flags = u16[0] flag EndpointFlags;
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let hei_hi = Unit[2];
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let hei_lo = Unit[4];
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let pos = pnts::read_o[6; 4];
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let support = u16[10];
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}
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}
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Ok((Endpoint{flags, hei_hi, hei_lo, pos, support}, 16))
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}
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/// Converts a vector of `Endpoint`s to a vector of `Point`s.
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pub fn to_pnts(v: &[Endpoint]) -> Vec<pnts::Point>
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{
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v.iter().map(|p| p.pos).collect()
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}
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/// A pre-processed point in world-space.
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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 Endpoint
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{
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pub flags: EndpointFlags,
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pub hei_hi: Unit,
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pub hei_lo: Unit,
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pub pos: pnts::Point,
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pub support: u16,
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}
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bitflags! {
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/// Flags for `Endpoint`.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub struct EndpointFlags: u16
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{
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const SOLID = 1;
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const SAME_HEIGHT = 1 << 1;
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const TRANSPARENT = 1 << 2;
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}
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}
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// EOF
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