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Support 3D textures

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We only supported 2D textures, but 3D textures are needed for the tiling
textures.
This commit is contained in:
Joshua Goins 2024-04-30 18:01:09 -04:00
parent a51d5b0a54
commit c4e9697faa
1 changed files with 21 additions and 6 deletions
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27
src/tex.rs
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@ -70,11 +70,22 @@ struct TexHeader {
offset_to_surface: [u32; 13],
}
#[repr(C)]
#[derive(Clone, Copy)]
pub enum TextureType {
TwoDimensional,
ThreeDimensional
}
pub struct Texture {
/// Type of texture
pub texture_type: TextureType,
/// Width of the texture in pixels
pub width: u32,
/// Height of the texture in pixels
pub height: u32,
/// Depth of the texture in pixels
pub depth: u32,
/// Raw RGBA data
pub rgba: Vec<u8>,
}
@ -87,6 +98,8 @@ impl Texture {
let mut cursor = Cursor::new(buffer);
let header = TexHeader::read(&mut cursor).ok()?;
println!("{:#?}", header.attribute);
cursor
.seek(SeekFrom::Start(std::mem::size_of::<TexHeader>() as u64))
.ok()?;
@ -98,7 +111,7 @@ impl Texture {
match header.format {
TextureFormat::B4G4R4A4 => {
dst = vec![0u8; header.width as usize * header.height as usize * 4];
dst = vec![0u8; header.width as usize * header.height as usize * header.depth as usize * 4];
let mut offset = 0;
let mut dst_offset = 0;
@ -121,11 +134,11 @@ impl Texture {
}
}
TextureFormat::B8G8R8A8 => {
dst = vec![0u8; header.width as usize * header.height as usize * 4];
dst = vec![0u8; header.width as usize * header.height as usize * header.depth as usize * 4];
let mut offset = 0;
for _ in 0..header.width * header.height {
for _ in 0..header.width * header.height * header.depth {
let src_b = src[offset];
let src_g = src[offset + 1];
let src_r = src[offset + 2];
@ -143,7 +156,7 @@ impl Texture {
dst = Texture::decode(
&src,
header.width as usize,
header.height as usize,
header.height as usize * header.depth as usize,
decode_bc1,
);
}
@ -151,7 +164,7 @@ impl Texture {
dst = Texture::decode(
&src,
header.width as usize,
header.height as usize,
header.height as usize * header.depth as usize,
decode_bc3,
);
}
@ -159,15 +172,17 @@ impl Texture {
dst = Texture::decode(
&src,
header.width as usize,
header.height as usize,
header.height as usize * header.depth as usize,
decode_bc5,
);
}
}
Some(Texture {
texture_type: if header.attribute.contains(TextureAttribute::TEXTURE_TYPE3_D) { TextureType::ThreeDimensional } else { TextureType::TwoDimensional },
width: header.width as u32,
height: header.height as u32,
depth: header.depth as u32,
rgba: dst,
})
}