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improve append file handling + misc change

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theubusu
2026-02-24 21:07:37 +01:00
parent a6567ae532
commit 4d86513bab
9 changed files with 56 additions and 35 deletions
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src/formats/epk1/mod.rs
+6 -6
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@@ -25,16 +25,16 @@ pub fn is_epk1_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dy
pub fn extract_epk1(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
let mut file = app_ctx.file().ok_or("Extractor expected file")?;
//check type of epk1
let epk1_type;
let epk1_type: Epk1Type;
let init_pak_count_bytes = common::read_file(&file, 8, 4)?;
let init_pak_count = u32::from_le_bytes(init_pak_count_bytes.try_into().unwrap());
if init_pak_count > 256 {
println!("\nBig endian EPK1 detected.");
epk1_type = "be";
epk1_type = Epk1Type::BigEndian;
} else if init_pak_count < 33 {
println!("\nLittle endian EPK1 detected.");
epk1_type = "le";
epk1_type = Epk1Type::LittleEndian;
} else {
return Err("Unknown EPK1 variant!".into());
}
@@ -43,7 +43,7 @@ pub fn extract_epk1(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<
let mut paks: Vec<Pak> = Vec::new();
if epk1_type == "be" {
if epk1_type == Epk1Type::BigEndian {
let header: CommonHeader = file.read_be()?;
for _i in 0..10 { //header can fit max 10 pak entries
@@ -63,7 +63,7 @@ pub fn extract_epk1(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<
println!("EPK info -\nData size: {}\nPak count: {}\nVersion: {:02x?}.{:02x?}.{:02x?}",
header.file_size, header.pak_count, version[1], version[2], version[3]);
} else if epk1_type == "le" {
} else if epk1_type == Epk1Type::LittleEndian {
let header: CommonHeader = file.read_le()?;
//this is to make an odd variant with 32 max pak entries work
@@ -97,7 +97,7 @@ pub fn extract_epk1(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<
for (i, pak) in paks.iter().enumerate() {
file.seek(SeekFrom::Start(pak.offset as u64))?;
let pak_header: PakHeader = if epk1_type == "be" {file.read_be()?} else {file.read_le()?};
let pak_header: PakHeader = if epk1_type == Epk1Type::BigEndian {file.read_be()?} else {file.read_le()?};
println!("\n({}/{}) - {}, Offset: {}, Size: {}, Platform: {}",
i + 1, paks.len(), pak_header.pak_name(), pak.offset, pak_header.image_size, pak_header.platform_id());