Implement savefile writing
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8003278dcd
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65656f2e09
@ -1,9 +1,9 @@
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use std::io::SeekFrom;
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use binrw::{BinRead, NullString};
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use binrw::{BinRead, BinWrite, BinWriterExt, NullString};
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#[derive(Debug)]
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#[derive(Debug, Clone)]
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pub struct Companions(Vec<CompanionWithId>);
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impl Companions {
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@ -49,11 +49,32 @@ impl BinRead for Companions {
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}
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}
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impl BinWrite for Companions {
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type Args<'a> = ();
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#[derive(Debug)]
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fn write_options<W: std::io::Write + std::io::Seek>(
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&self,
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writer: &mut W,
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endian: binrw::Endian,
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_args: Self::Args<'_>,
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) -> binrw::BinResult<()> {
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for companion in &self.0 {
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writer.write_type(companion, endian)?;
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writer.write_all(&[0x01, 0x00, 0x10, 0x01])?;
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}
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Ok(())
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}
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}
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#[derive(Debug, Clone)]
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pub struct CompanionSymbols(Vec<CompanionWithSymbol>);
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impl CompanionSymbols {
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const ENTRY_SIZE: i64 = 60;
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const SECTION_SIZE: i64 = 960;
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pub fn iter(&self) -> std::slice::Iter<CompanionWithSymbol> {
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self.0.iter()
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}
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@ -80,27 +101,48 @@ impl BinRead for CompanionSymbols {
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let companion: CompanionWithSymbol = <_>::read_options(reader, endian, ())?;
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if companion.name.is_empty() {
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reader.seek(SeekFrom::Current(-60))?;
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reader.seek(SeekFrom::Current(-Self::ENTRY_SIZE))?;
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break;
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}
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companions.push(companion);
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}
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let padding = 960 - (companions.len() * 60);
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reader.seek(SeekFrom::Current(padding as i64))?;
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let padding = Self::SECTION_SIZE - (companions.len() as i64 * Self::ENTRY_SIZE);
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reader.seek(SeekFrom::Current(padding))?;
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Ok(Self(companions))
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}
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}
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impl BinWrite for CompanionSymbols {
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type Args<'a> = ();
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#[derive(Debug, BinRead)]
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fn write_options<W: std::io::Write + std::io::Seek>(
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&self,
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writer: &mut W,
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endian: binrw::Endian,
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_args: Self::Args<'_>,
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) -> binrw::BinResult<()> {
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for companion in &self.0 {
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writer.write_type(companion, endian)?;
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}
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let padding = Self::SECTION_SIZE - (self.0.len() as i64 * Self::ENTRY_SIZE);
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writer.write_all(&vec![0u8; padding as usize])?;
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Ok(())
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}
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}
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#[derive(Debug, Clone, BinRead, BinWrite)]
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pub struct CompanionWithId {
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#[brw(pad_size_to = 24, map = |raw: NullString| raw.to_string())]
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#[br(pad_size_to = 24, map = |raw: NullString| raw.to_string())]
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#[bw(pad_size_to = 24, map = |s| NullString::from(s.as_ref()))]
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pub name: String,
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#[brw(assert(steam_id != 0))]
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#[br(assert(steam_id != 0))]
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pub steam_id: u32,
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}
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@ -117,14 +159,15 @@ impl CompanionWithId {
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}
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#[derive(Debug, BinRead)]
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#[derive(Debug, Clone, BinRead, BinWrite)]
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pub struct CompanionWithSymbol {
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#[brw(pad_size_to = 52, map = |raw: NullString| raw.to_string())]
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#[br(pad_size_to = 52, map = |raw: NullString| raw.to_string())]
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#[bw(pad_size_to = 52, map = |s| NullString::from(s.as_ref()))]
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pub name: String,
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#[brw(count = 4)]
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#[br(count = 4)]
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_unknown1: Vec<u8>,
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#[brw(assert((0..=21).contains(&symbol)))]
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#[br(assert((0..=21).contains(&symbol)))]
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pub symbol: u32,
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}
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@ -1,8 +1,8 @@
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use binrw::BinRead;
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use binrw::{BinRead, BinWrite};
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#[derive(Debug, BinRead)]
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pub struct Glyphs(#[brw(count = 6)] Vec<LevelGlyphs>);
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#[derive(Debug, Clone, BinRead, BinWrite)]
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pub struct Glyphs(#[br(count = 6)] Vec<LevelGlyphs>);
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impl Glyphs {
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const COUNT: [usize; 6] = [3, 3, 4, 3, 4, 4];
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@ -32,11 +32,11 @@ impl Glyphs {
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}
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#[derive(Debug, BinRead)]
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#[derive(Debug, Clone, BinRead, BinWrite)]
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pub struct LevelGlyphs {
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status_flags: u8,
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#[brw(count = 343)]
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#[br(count = 343)]
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_unused: Vec<u8>,
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}
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@ -5,9 +5,9 @@ mod test;
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use core::fmt;
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use std::io::Read;
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use std::io::{Read, Write};
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use binrw::{BinRead, BinReaderExt};
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use binrw::{until_eof, BinRead, BinReaderExt, BinWriterExt};
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use chrono::{DateTime, NaiveDateTime, Utc};
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use crate::companion::{CompanionSymbols, CompanionWithId, Companions};
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@ -31,7 +31,7 @@ pub const LEVEL_NAMES: [&str; 12] = [
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];
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#[derive(Debug, PartialEq, Eq)]
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum RobeColor {
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Red,
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White,
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@ -47,11 +47,11 @@ impl fmt::Display for RobeColor {
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}
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#[binrw::binread]
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#[derive(Debug)]
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#[binrw::binrw]
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#[derive(Debug, Clone)]
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#[brw(little)]
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pub struct Savefile {
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#[brw(count = 8)]
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#[br(count = 8)]
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_unknown0: Vec<u8>,
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pub robe: u32,
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@ -60,57 +60,70 @@ pub struct Savefile {
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pub scarf_length: u32,
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#[brw(count = 4)]
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#[br(count = 4)]
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_unknown1: Vec<u8>,
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#[brw(assert(current_level <= 12))]
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#[br(assert(current_level <= 12))]
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pub current_level: u64,
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pub total_collected_symbols: u32,
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#[brw(assert(collected_symbols <= 21))]
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#[br(assert(collected_symbols <= 21))]
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pub collected_symbols: u32,
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pub murals: Murals,
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#[brw(count = 22)]
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#[br(count = 22)]
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_unknown2: Vec<u8>,
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#[brw(parse_with = parse_last_played)]
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#[br(parse_with = parse_last_played)]
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#[bw(write_with = write_last_played)]
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pub last_played: DateTime<Utc>,
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#[brw(count = 4)]
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#[br(count = 4)]
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_unknown3: Vec<u8>,
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pub journey_count: u64,
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pub glyphs: Glyphs,
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#[brw(count = 2404)]
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#[br(count = 2404)]
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_unknown4: Vec<u8>,
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pub companion_symbols: CompanionSymbols,
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pub companions_met: u32,
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#[brw(count = 1024)]
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#[br(count = 1024)]
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_unknown6: Vec<u8>,
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pub total_companions_met: u32,
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#[brw(count = 24)]
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#[br(count = 24)]
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_unknown7: Vec<u8>,
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pub companions: Companions,
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#[br(parse_with = until_eof)]
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_unknown8: Vec<u8>,
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}
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impl Savefile {
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pub fn from_reader<R>(mut reader: R) -> std::io::Result<Self>
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pub fn from_reader<R>(mut reader: R) -> binrw::BinResult<Self>
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where
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R: Read + BinReaderExt,
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{
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// TODO: implement error type
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Ok(reader.read_le().unwrap())
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Ok(reader.read_le()?)
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}
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pub fn write<W>(&self, mut writer: W) -> binrw::BinResult<()>
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where
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W: Write + BinWriterExt,
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{
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writer.write_le(self)?;
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Ok(())
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}
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pub fn current_companions<'a>(&'a self) -> impl Iterator<Item = &'a CompanionWithId> {
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@ -169,3 +182,13 @@ fn parse_last_played() -> binrw::BinResult<DateTime<Utc>> {
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Ok(datetime)
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}
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#[binrw::writer(writer, endian)]
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fn write_last_played(datetime: &DateTime<Utc>) -> binrw::BinResult<()> {
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let timestamp = datetime.timestamp_millis();
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let timestamp = (timestamp + 11_644_473_600_000) * 10_000;
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writer.write_type(×tamp, endian)?;
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Ok(())
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}
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@ -1,7 +1,7 @@
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use binrw::BinRead;
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use binrw::{BinRead, BinWrite};
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#[derive(Debug, BinRead)]
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#[derive(Debug, Clone, Copy, BinRead, BinWrite)]
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pub struct Murals {
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status_flags: u16,
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}
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