85 lines
2.0 KiB
Rust
85 lines
2.0 KiB
Rust
//! `Side` type.
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use super::stex;
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use crate::{bin::OptU16, err::*, fixed::Fixed, xfer::TransferMode};
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/// Reads a `SIDS` chunk.
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pub fn read(b: &[u8]) -> ResultS<(Side, usize)>
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{
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read_data! {
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endian: BIG, buf: b, size: 64, start: 0, data {
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let stype = u16[0] enum SideType;
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let flags = u8[3] flag SideFlags;
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let tex_pri = stex::read[4; 6];
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let tex_sec = stex::read[10; 6];
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let tex_tra = stex::read[16; 6];
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let paneltyp = u16[38];
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let paneldat = i16[40];
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let xfer_pri = u16[42] enum TransferMode;
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let xfer_sec = u16[44] enum TransferMode;
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let xfer_tra = u16[46] enum TransferMode;
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let shade = Fixed[48];
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}
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}
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Ok((Side{stype, flags, tex_pri, tex_sec, tex_tra, paneltyp, paneldat,
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xfer_pri, xfer_sec, xfer_tra, shade}, 64))
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}
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/// Reads an old `SIDS` chunk.
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pub fn read_old(b: &[u8]) -> ResultS<(Side, usize)>
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{
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let (side, siz) = read(b)?;
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Ok((Side{tex_tra: stex::SideTex{tex_id: OptU16::none(), ..side.tex_tra},
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shade: 0.into(),
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flags: side.flags | SideFlags::ITEM_OPT,
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..side}, siz))
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}
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/// One side of 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 Side {
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pub stype: SideType,
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pub flags: SideFlags,
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pub tex_pri: stex::SideTex,
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pub tex_sec: stex::SideTex,
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pub tex_tra: stex::SideTex,
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pub paneltyp: u16,
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pub paneldat: i16,
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pub xfer_pri: TransferMode,
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pub xfer_sec: TransferMode,
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pub xfer_tra: TransferMode,
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pub shade: Fixed,
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}
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c_bitfield! {
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/// Flags for `Side`.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub struct SideFlags: u8 {
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STATUS = 0,
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PANEL = 1,
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REPAIR = 2,
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ITEM_USE = 3,
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LIGHTED = 4,
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CAN_DESTROY = 5,
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HIT_ONLY = 6,
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ITEM_OPT = 7,
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}
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}
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c_enum! {
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/// The texture type of a `Side`.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub enum SideType: u16 {
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Full = 0,
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High = 1,
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Low = 2,
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Composite = 3,
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Split = 4,
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}
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}
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// EOF
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