137 lines
3.4 KiB
Rust
137 lines
3.4 KiB
Rust
//! `Info` type.
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use crate::{err::*, text::*};
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use bitflags::bitflags;
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/// Reads a `Minf` chunk.
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pub fn read(b: &[u8]) -> ResultS<Info>
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{
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read_data! {
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endian: BIG, buf: b, size: 88, start: 0, data {
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let texture_id = u16[0];
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let physics_id = u16[2];
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let skypict_id = u16[4];
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let miss_flags = u16[6] flag MissionFlags;
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let envi_flags = u16[8] flag EnvironmentFlags;
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let level_name = mac_roman_cstr[18; 66] no_try;
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let entr_flags = u32[84] flag EntryFlags;
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}
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}
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Ok(Info{texture_id, physics_id, skypict_id, miss_flags, envi_flags,
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entr_flags, level_name})
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}
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/// Writes a `Minf` chunk.
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pub fn write(v: &Info) -> Vec<u8>
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{
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let mut o = Vec::with_capacity(4);
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o.extend(&v.texture_id.to_be_bytes());
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o.extend(&v.physics_id.to_be_bytes());
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o.extend(&v.skypict_id.to_be_bytes());
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o.extend(&v.miss_flags.bits().to_be_bytes());
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o.extend(&v.envi_flags.bits().to_be_bytes());
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o.extend(&pad_zero(to_mac_roman(&v.level_name), 66));
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o.extend(&v.entr_flags.bits().to_be_bytes());
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o
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}
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/// Reads an old `Minf` chunk.
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pub fn read_old(b: &[u8]) -> ResultS<Info>
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{
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let minf = read(b)?;
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let mut entr_flags = if minf.entr_flags.is_empty() {
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EntryFlags::SOLO
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} else {
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minf.entr_flags
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};
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if entr_flags.intersects(EntryFlags::SOLO | EntryFlags::CARNAGE) {
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entr_flags.insert(EntryFlags::CO_OP)
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}
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Ok(Info{entr_flags, ..minf})
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}
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impl Default for Info
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{
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fn default() -> Self
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{
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Self{texture_id: 0,
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physics_id: 1,
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skypict_id: 0,
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miss_flags: MissionFlags::empty(),
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envi_flags: EnvironmentFlags::empty(),
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entr_flags: EntryFlags::SOLO,
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level_name: "Map".to_string()}
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}
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}
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/// Static map information.
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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 Info
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{
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pub texture_id: u16,
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pub physics_id: u16,
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pub skypict_id: u16,
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pub miss_flags: MissionFlags,
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pub envi_flags: EnvironmentFlags,
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pub entr_flags: EntryFlags,
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pub level_name: String,
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}
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bitflags! {
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/// Static environment flags.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub struct EnvironmentFlags: u16
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{
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const VACUUM = 1;
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const MAGNETIC = 1 << 1;
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const REBELLION = 1 << 2;
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const LOW_GRAV = 1 << 3;
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const M1_GLUE = 1 << 4;
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const LAVA_FLOOR = 1 << 5;
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const REBELLION2 = 1 << 6;
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const MUSIC = 1 << 7;
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const TERM_PAUSE = 1 << 8;
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const M1_MONSTER = 1 << 9;
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const M1_WEPS = 1 << 10;
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}
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}
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bitflags! {
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/// Static entry point flags.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub struct EntryFlags: u32
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{
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const SOLO = 1;
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const CO_OP = 1 << 1;
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const CARNAGE = 1 << 2;
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const KTMWTB = 1 << 3;
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const KOTH = 1 << 4;
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const DEFENSE = 1 << 5;
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const RUGBY = 1 << 6;
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const CTF = 1 << 7;
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}
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}
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bitflags! {
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/// Static mission flags.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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pub struct MissionFlags: u16
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{
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const EXTERMINATION = 1;
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const EXPLORATION = 1 << 1;
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const RETRIEVAL = 1 << 2;
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const REPAIR = 1 << 3;
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const RESCUE = 1 << 4;
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const M1_EXPLORATION = 1 << 5;
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const M1_RESCUE = 1 << 6;
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const M1_REPAIR = 1 << 7;
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}
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}
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// EOF
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