Add Texture structure, begin reading header

src/dat.rs

@@ -310,18 +310,26 @@ impl DatFile {
 
                 let texture_file_info = file_info.texture_info.unwrap();
 
+                // write the header if it exists
+                if texture_file_info.lods[0].compressed_offset != 0 {
+                    let original_pos = self.file.stream_position().unwrap();
+
+                    self.file.seek(SeekFrom::Start(offset + file_info.size as u64));
+                    let mut header = vec![0u8; texture_file_info.lods[0].compressed_offset as usize];
+                    self.file.read(&mut header);
+                    data.append(&mut header);
+
+                    self.file.seek(SeekFrom::Start(original_pos));
+                }
+
                 for i in 0..texture_file_info.num_blocks {
                     let mut running_block_total = (texture_file_info.lods[i as usize].compressed_offset as u64) + offset + (file_info.size as u64);
 
+                    for _ in 0..texture_file_info.lods[i as usize].block_count {
                         data.append(&mut read_data_block(&self.file, running_block_total).unwrap());
-
-                    for _ in 1..texture_file_info.lods[i as usize].block_count {
+                        self.file.seek(SeekFrom::Start(running_block_total));
                         running_block_total += i16::read(&mut self.file).unwrap() as u64;
-                        data.append(&mut read_data_block(&self.file, running_block_total).unwrap());
                     }
-
-                    // dummy?
-                    i16::read(&mut self.file).unwrap();
                 }
 
                 Some(data)

src/lib.rs

@@ -57,5 +57,8 @@ pub mod skeleton;
 // Reading file into files (FIIN).
 pub mod fiin;
 
-// Reading and writing chat logs (LOG)
+// Reading and writing chat logs (LOG).
 pub mod log;
+
+// Reading textures (TEX).
+pub mod tex;

src/tex.rs

@@ -0,0 +1,34 @@
+use std::io::Cursor;
+use binrw::binread;
+use crate::gamedata::MemoryBuffer;
+use binrw::BinRead;
+
+#[binread]
+#[derive(Debug)]
+struct TexHeader {
+    attribute : u32,
+    format: u32,
+
+    width : u16,
+    height : u16,
+    depth : u16,
+    mip_levels : u16,
+
+    lod_offsets : [u32; 3],
+    offset_to_surface : [u32; 13]
+}
+
+pub struct Texture {
+
+}
+
+impl Texture {
+    pub fn from_existing(buffer: &MemoryBuffer) -> Option<Texture> {
+        let mut cursor = Cursor::new(buffer);
+        let header = TexHeader::read(&mut cursor).unwrap();
+
+        println!("{:#?}", header);
+
+        None
+    }
+}