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|
use super::*;
use nres::Archive;
use std::fs;
use std::path::{Path, PathBuf};
fn collect_files_recursive(root: &Path, out: &mut Vec<PathBuf>) {
let Ok(entries) = fs::read_dir(root) else {
return;
};
for entry in entries.flatten() {
let path = entry.path();
if path.is_dir() {
collect_files_recursive(&path, out);
} else if path.is_file() {
out.push(path);
}
}
}
fn nres_test_files() -> Vec<PathBuf> {
let root = Path::new(env!("CARGO_MANIFEST_DIR"))
.join("..")
.join("..")
.join("testdata");
let mut files = Vec::new();
collect_files_recursive(&root, &mut files);
files.sort();
files
.into_iter()
.filter(|path| {
fs::read(path)
.map(|bytes| bytes.get(0..4) == Some(b"NRes"))
.unwrap_or(false)
})
.collect()
}
#[test]
fn texm_parse_all_game_textures() {
let archives = nres_test_files();
if archives.is_empty() {
eprintln!("skipping texm_parse_all_game_textures: no NRes files in testdata");
return;
}
let mut texm_total = 0usize;
let mut texm_with_page = 0usize;
for archive_path in archives {
let archive = Archive::open_path(&archive_path)
.unwrap_or_else(|err| panic!("failed to open {}: {err}", archive_path.display()));
for entry in archive.entries() {
if entry.meta.kind != TEXM_MAGIC {
continue;
}
texm_total += 1;
let payload = archive.read(entry.id).unwrap_or_else(|err| {
panic!(
"failed to read Texm entry '{}' in {}: {err}",
entry.meta.name,
archive_path.display()
)
});
let texture = parse_texm(payload.as_slice()).unwrap_or_else(|err| {
panic!(
"failed to parse Texm '{}' in {}: {err}",
entry.meta.name,
archive_path.display()
)
});
if !texture.page_rects.is_empty() {
texm_with_page += 1;
}
assert!(
texture.core_size() <= payload.as_slice().len(),
"core size must be within payload for '{}' in {}",
entry.meta.name,
archive_path.display()
);
assert_eq!(
usize::try_from(texture.header.mip_count).ok(),
Some(texture.mip_levels.len()),
"mip count mismatch for '{}' in {}",
entry.meta.name,
archive_path.display()
);
}
}
assert!(texm_total > 0, "no Texm textures found");
assert!(
texm_with_page > 0,
"expected at least one Texm texture with Page chunk"
);
}
#[test]
fn texm_parse_minimal_argb8888_no_page() {
let mut payload = Vec::new();
payload.extend_from_slice(&TEXM_MAGIC.to_le_bytes());
payload.extend_from_slice(&1u32.to_le_bytes()); // width
payload.extend_from_slice(&1u32.to_le_bytes()); // height
payload.extend_from_slice(&1u32.to_le_bytes()); // mip_count
payload.extend_from_slice(&0u32.to_le_bytes()); // flags4
payload.extend_from_slice(&0u32.to_le_bytes()); // flags5
payload.extend_from_slice(&0u32.to_le_bytes()); // unk6
payload.extend_from_slice(&8888u32.to_le_bytes()); // format
payload.extend_from_slice(&[1, 2, 3, 4]); // one pixel
let parsed = parse_texm(&payload).expect("failed to parse minimal texm");
assert_eq!(parsed.header.width, 1);
assert_eq!(parsed.header.height, 1);
assert_eq!(parsed.mip_levels.len(), 1);
assert!(parsed.page_rects.is_empty());
}
#[test]
fn texm_decode_minimal_argb8888_no_page() {
let mut payload = Vec::new();
payload.extend_from_slice(&TEXM_MAGIC.to_le_bytes());
payload.extend_from_slice(&1u32.to_le_bytes()); // width
payload.extend_from_slice(&1u32.to_le_bytes()); // height
payload.extend_from_slice(&1u32.to_le_bytes()); // mip_count
payload.extend_from_slice(&0u32.to_le_bytes()); // flags4
payload.extend_from_slice(&0u32.to_le_bytes()); // flags5
payload.extend_from_slice(&0u32.to_le_bytes()); // unk6
payload.extend_from_slice(&8888u32.to_le_bytes()); // format
payload.extend_from_slice(&[0x40, 0x11, 0x22, 0x33]); // A,R,G,B in little-endian order
let parsed = parse_texm(&payload).expect("failed to parse minimal texm");
let decoded = decode_mip_rgba8(&parsed, &payload, 0).expect("failed to decode mip");
assert_eq!(decoded.width, 1);
assert_eq!(decoded.height, 1);
assert_eq!(decoded.rgba8, vec![0x11, 0x22, 0x33, 0x40]);
}
#[test]
fn texm_parse_indexed_with_page_chunk() {
let mut payload = Vec::new();
payload.extend_from_slice(&TEXM_MAGIC.to_le_bytes());
payload.extend_from_slice(&2u32.to_le_bytes()); // width
payload.extend_from_slice(&2u32.to_le_bytes()); // height
payload.extend_from_slice(&1u32.to_le_bytes()); // mip_count
payload.extend_from_slice(&0u32.to_le_bytes()); // flags4
payload.extend_from_slice(&0u32.to_le_bytes()); // flags5
payload.extend_from_slice(&0u32.to_le_bytes()); // unk6
payload.extend_from_slice(&0u32.to_le_bytes()); // format indexed8
payload.extend_from_slice(&[0u8; 1024]); // palette
payload.extend_from_slice(&[1, 2, 3, 4]); // pixels
payload.extend_from_slice(&PAGE_MAGIC.to_le_bytes());
payload.extend_from_slice(&1u32.to_le_bytes()); // rect_count
payload.extend_from_slice(&0i16.to_le_bytes()); // x
payload.extend_from_slice(&2i16.to_le_bytes()); // w
payload.extend_from_slice(&0i16.to_le_bytes()); // y
payload.extend_from_slice(&2i16.to_le_bytes()); // h
let parsed = parse_texm(&payload).expect("failed to parse indexed texm");
assert!(parsed.palette.is_some());
assert_eq!(parsed.page_rects.len(), 1);
assert_eq!(
parsed.page_rects[0],
PageRect {
x: 0,
w: 2,
y: 0,
h: 2
}
);
}
#[test]
fn texm_decode_indexed_with_palette() {
let mut payload = Vec::new();
payload.extend_from_slice(&TEXM_MAGIC.to_le_bytes());
payload.extend_from_slice(&2u32.to_le_bytes()); // width
payload.extend_from_slice(&1u32.to_le_bytes()); // height
payload.extend_from_slice(&1u32.to_le_bytes()); // mip_count
payload.extend_from_slice(&0u32.to_le_bytes()); // flags4
payload.extend_from_slice(&0u32.to_le_bytes()); // flags5
payload.extend_from_slice(&0u32.to_le_bytes()); // unk6
payload.extend_from_slice(&0u32.to_le_bytes()); // format indexed8
let mut palette = [0u8; 1024];
palette[4..8].copy_from_slice(&[10, 20, 30, 255]); // index 1
palette[8..12].copy_from_slice(&[40, 50, 60, 200]); // index 2
payload.extend_from_slice(&palette);
payload.extend_from_slice(&[1u8, 2u8]); // two pixels
let parsed = parse_texm(&payload).expect("failed to parse indexed texm");
let decoded = decode_mip_rgba8(&parsed, &payload, 0).expect("failed to decode indexed texm");
assert_eq!(decoded.width, 2);
assert_eq!(decoded.height, 1);
assert_eq!(decoded.rgba8, vec![10, 20, 30, 255, 40, 50, 60, 200]);
}
|
