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-rw-r--r--stockton-levels/src/q3/header.rs68
1 files changed, 0 insertions, 68 deletions
diff --git a/stockton-levels/src/q3/header.rs b/stockton-levels/src/q3/header.rs
deleted file mode 100644
index 45478e0..0000000
--- a/stockton-levels/src/q3/header.rs
+++ /dev/null
@@ -1,68 +0,0 @@
-use crate::types::{ParseError, Result};
-use std::convert::TryInto;
-
-const MAGIC_HEADER: &[u8] = &[0x49, 0x42, 0x53, 0x50];
-const HEADER_LEN: usize = 4 + 4 + (17 * 4 * 2);
-
-/// The header found at the start of a (Q3) bsp file
-#[derive(Clone, Copy, Debug)]
-pub struct Header {
- pub version: u32,
- pub dir_entries: [DirEntry; 17],
-}
-
-/// A directory entry, pointing to a lump in the file
-#[derive(Clone, Copy, Debug)]
-pub struct DirEntry {
- /// Offset from beginning of file to start of lump
- pub offset: u32,
-
- /// Length of lump, multiple of 4.
- pub length: u32,
-}
-
-impl Header {
- /// Deserialise from buffer.
- /// # Format
- /// string[4] magic Magic number. Always "IBSP".
- /// int version Version number. 0x2e for the BSP files distributed with Quake 3.
- /// direntry[17] direntries Lump directory, seventeen entries.
- pub fn from(v: &[u8]) -> Result<Header> {
- if v.len() < HEADER_LEN {
- return Err(ParseError::Invalid);
- }
- let magic = &v[0..4];
-
- if magic != MAGIC_HEADER {
- return Err(ParseError::Invalid);
- }
-
- let version: &[u8; 4] = v[4..8].try_into().unwrap();
-
- let entries: &[u8] = &v[8..144];
- let mut dir_entries: [DirEntry; 17] = [DirEntry {
- offset: 0,
- length: 0,
- }; 17];
-
- for n in 0..17 {
- let base = &entries[(n * 8)..(n * 8) + 8];
- dir_entries[n] = DirEntry {
- offset: u32::from_le_bytes(base[0..4].try_into().unwrap()),
- length: u32::from_le_bytes(base[4..8].try_into().unwrap()),
- }
- }
-
- Ok(Header {
- version: u32::from_le_bytes(*version),
- dir_entries,
- })
- }
-
- /// Get the lump at given index from the buffer, with offset & length based on this directory.
- pub fn get_lump<'l>(&self, buf: &'l [u8], index: usize) -> &'l [u8] {
- let entry = self.dir_entries[index];
-
- &buf[entry.offset as usize..entry.offset as usize + entry.length as usize]
- }
-}