Cleanup

rust/lightwave/README.md

@@ -1,4 +1,161 @@
 # LightWave 3D Rust Parser
 
-* [LWO2 Spec](http://static.lightwave3d.com/sdk/2015/html/filefmts/lwo2.html)
+## LightWave Object (LWO2)
-  * Progress: about 90% (?) complete, so most things should load.
+
+Progress: About 90% ([LWO2 Spec](http://static.lightwave3d.com/sdk/2015/html/filefmts/lwo2.html))
+
+| Chunk                                      | Tag    | Status |
+|--------------------------------------------|--------|--------|
+| Layer                                      | `LAYR` | ✅      |
+| Point List                                 | `PNTS` | ✅      |
+| Vertex Mapping                             | `VMAP` | ✅      |
+| Polygon List                               | `POLS` | ✅      |
+| Tag Strings                                | `TAGS` | ✅      |
+| Polygon Tag Mapping                        | `PTAG` | ✅      |
+| Discontinuous Vertex Mapping               | `VMAD` | ✅      |
+| Vertex Map Parameter                       | `VMPA` | ✅      |
+| [Envelope Definition](#envelope-subchunks) | `ENVL` | ❌      |
+| [Image (-Sequence)](#clip-subchunks)       | `CLIP` | 🚧     |
+| [Surface Definition](#surface-subchunks)   | `SURF` | 🚧     |
+| Bounding Box                               | `BBOX` | ✅      |
+| Description Line                           | `DESC` | ❌      |
+| Commentary Text                            | `TEXT` | ❌      |
+| Thumbnail Icon Image                       | `ICON` | ❌      |
+
+
+### Envelope Subchunks
+
+| Chunk                    | Tag    | Status |
+|--------------------------|--------|--------|
+| Envelope Type            | `TYPE` | ❌      |
+| Pre-Behavior             | `PRE`  | ❌      |
+| Post-Behavior            | `POST` | ❌      |
+| Keyframe Time and Value  | `KEY`  | ❌      |
+| Interval Interpolation   | `SPAN` | ❌      |
+| Plugin Channel Modifiers | `CHAN` | ❌      |
+| Channel Name             | `NAME` | ❌      |
+
+
+### Clip Subchunks
+
+| Chunk                | Tag    | Status |
+|----------------------|--------|--------|
+| Still Image          | `STIL` | ✅      |
+| Image Sequence       | `ISEQ` | ✅      |
+| Plugin Animation     | `ANIM` | ❌      |
+| Reference (Clone)    | `XREF` | ✅      |
+ | Flag (Undocumented)  | `FLAG` | 🚧     | 
+| Color-cycling Still  | `STCC` | ✅      |
+| Time                 | `TIME` | ✅      |
+| Color Space RGB      | `CLRS` | ✅      |
+| Color Space Alpha    | `CLRA` | ✅      |
+| Image Filtering      | `FILT` | ✅      |
+| Image Dithering      | `DITH` | ✅      |
+| Contrast             | `CONT` | ✅      | 
+| Brightness           | `BRIT` | ✅      | 
+| Saturation           | `SATR` | ✅      | 
+| Hue                  | `HUE`  | ✅      | 
+| Gamma Correction     | `GAMM` | ✅      | 
+| Negative             | `NEGA` | ❌      | 
+| Plugin Image Filters | `IFLT` | ❌      | 
+| Plugin Pixel Filters | `PFLT` | ❌      | 
+
+
+### Surface Subchunks
+
+### Basic Surface Parameters
+
+| Chunk                             | Tag                                                      | Status |
+|-----------------------------------|----------------------------------------------------------|--------|
+| Base Color                        | `COLR`                                                   | ✅      |
+| Base Shading Values               | `DIFF`<br>`LUMI`<br>`SPEC`<br>`REFL`<br>`TRAN`<br>`TRNL` | ✅      |
+| Specular Glossiness               | `GLOS`                                                   | ✅      |
+| Diffuse Sharpness                 | `SHRP`                                                   | ✅      |
+| Bump Intensity                    | `BUMP`                                                   | ✅      | 
+| Polygon Sidedness                 | `SIDE`                                                   | ✅      |
+| Max Smoothing Angle               | `SMAN`                                                   | ✅      |
+| Reflection Options                | `RFOP`                                                   | ✅      |
+| Reflection Map Image              | `RIMG`                                                   | ✅      |
+| Reflection Map Image Seam Angle   | `RSAN`                                                   | ❌      |
+| Reflection Blurring               | `RBLR`                                                   | ❌      |
+| Refractive Index                  | `RIND`                                                   | ❌      | 
+| Transparency Options              | `TROP`                                                   | ❌      | 
+| Refraction Map Image              | `TIMG`                                                   | ❌      | 
+| Refraction Blurring               | `TBLR`                                                   | ✅      | 
+| Color Highlights                  | `CLRH`                                                   | ✅      | 
+| Color Filter                      | `CLRF`                                                   | ✅      | 
+| Additive Transparency             | `ADRT`                                                   | ✅      | 
+| Glow Effect                       | `GLOW`                                                   | ❌      | 
+| Render Outlines                   | `LINE`                                                   | ❌      | 
+| Alpha Mode                        | `ALPH`                                                   | ❌      | 
+| Vertex Color Map                  | `VCOL`                                                   | ❌      | 
+| [Surface Blocks](#surface-blocks) | `BLOK`                                                   | 🚧     | 
+
+### Surface Blocks
+
+Ordinal Strings:
+* ✅ [Image Texture Map](#image-texture-map) `IMAP`
+* ❌ [Procedural Texture](#procedural-texture) `PROC`
+* ❌ [Gradient Texture](#gradient-texture) `GRAD`
+* ❌ Shader Plugin `SHDR`
+
+#### Shared
+
+| Chunk                   | Tag    | Status |
+|-------------------------|--------|--------|
+| Texture Channel         | `CHAN` | ✅      |
+| Enable State            | `ENAB` | ✅      |
+| Opacity                 | `OPAC` | ✅      |
+| Displacement Axis       | `AXIS` | ✅      |
+| Negative (Undocumented) | `NEGA` | 🚧     |
+
+#### Texture Mapping
+
+| Chunk               | Tag                        | Status |
+|---------------------|----------------------------|--------|
+| Positioning         | `CNTR`<br>`SIZE`<br>`ROTA` | ✅      |
+| Reference Object    | `OREF`                     | ✅      |
+| Falloff             | `FALL`                     | ✅      |
+| Coordinate System   | `CSYS`                     | ✅      | 
+
+#### Image Texture Map
+
+| Chunk                               | Tag              | Status |
+|-------------------------------------|------------------|--------|
+| [Texture Mapping](#texture-mapping) | `TMAP`           | ✅      |
+| Projection Mode                     | `PROJ`           | ✅      |
+| Major Axis                          | `AXIS`           | ✅      |
+| Image Map                           | `IMAG`           | ✅      |
+| Image Wrap Options                  | `WRAP`           | ✅      |
+| Image Wrap Amount                   | `WRPW`<br>`WRPH` | ✅      | 
+| UV Vertex Map                       | `VMAP`           | ✅      |
+| Antialiasing Strength               | `AAST`           | ✅      |
+| Pixel Blending                      | `PIXB`           | ✅      |
+| Sticky Projection                   | `STCK`           | ✅      |
+| Texture Ampliture                   | `TAMP`           | ✅      |
+
+#### Procedural Texture
+
+| Chunk                    | Tag    | Status |
+|--------------------------|--------|--------|
+| Axis                     | `AXIS` | ❌      |
+| Basic Value              | `VALU` | ❌      |
+| Algorithm and Parameters | `FUNC` | ❌      |
+
+#### Gradient Texture
+
+| Chunk          | Tag               | Status |
+|----------------|-------------------|--------|
+| Parameter Name | `PNAM`            | ❌      |
+| Item Name      | `INAM`            | ❌      |
+| Gradient Range | `GRST`<br>`GREN`  | ❌      |
+| Repeat Mode    | `GRPT`            | ❌      |
+| Key Values     | `FKEY`            | ❌      |
+| Key Parameters | `IKEY`            | ❌      |
+
+#### Shaders
+
+
+| Chunk            | Tag    | Status |
+|------------------|--------|--------|
+| Shader Algorithm | `FUNC` | ❌      |

rust/lightwave/src/binrw_helpers.rs

@@ -1,8 +1,13 @@
 use crate::lwo2::vx;
-use binrw::{BinRead, BinResult, Endian};
+use binrw::{binread, BinRead, BinResult, Endian};
 use std::io::{Read, Seek};
 use std::iter::from_fn;
 
+#[binread]
+#[br(assert(false, "Not implemented yet"))]
+#[derive(Debug)]
+pub struct BinReadTodo();
+
 pub fn until_size_limit<R, Arg, T, Ret>(
     limit: u64,
 ) -> impl Fn(&mut R, Endian, Arg) -> BinResult<Ret>

rust/lightwave/src/lwo2/sub_tags/mod.rs

@@ -1,11 +1,49 @@
-use binrw::binread;
 use crate::lwo2::sub_tags::envelope_type::EnvelopeType;
+use crate::lwo2::vx;
+use binrw::binread;
 
 pub mod envelope_type;
+pub mod surface_block_image_texture;
+pub mod surface_blocks;
+pub mod surface_parameters;
+pub mod texture_mapping;
 
 #[binread]
 #[derive(Debug)]
 pub enum SubTag {
     #[br(magic(b"TYPE"))]
-    EnvelopeType(EnvelopeType)
+    EnvelopeType(EnvelopeType),
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct VectorEnvelope {
+    pub base_color: [f32; 3],
+    #[br(parse_with = vx)]
+    pub envelope: u32,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct ValueEnvelope {
+    pub value: f32,
+    #[br(parse_with = vx)]
+    pub envelope: u32,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct VxReference {
+    #[br(parse_with = vx)]
+    pub texture_image: u32,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct EnableState {
+    pub enable: u16,
 }

rust/lightwave/src/lwo2/sub_tags/surface_block_image_texture.rs

@@ -0,0 +1,108 @@
+use crate::iff::SubChunk;
+use crate::lwo2::sub_tags::texture_mapping::TextureMapping;
+use crate::lwo2::sub_tags::{ValueEnvelope, VxReference};
+use crate::lwo2::vx;
+use binrw::{binread, NullString};
+
+#[binread]
+#[derive(Debug)]
+pub enum SurfaceBlockImageTextureSubChunk {
+    #[br(magic(b"TMAP"))]
+    TextureMapping(SubChunk<TextureMapping>),
+    #[br(magic(b"PROJ"))]
+    ProjectionMode(SubChunk<ProjectionMode>),
+    #[br(magic(b"AXIS"))]
+    MajorAxis(SubChunk<MajorAxis>),
+    #[br(magic(b"IMAG"))]
+    ImageMap(SubChunk<VxReference>),
+    #[br(magic(b"WRAP"))]
+    ImageWrapOptions(SubChunk<ImageWrapOptions>),
+    #[br(magic(b"WRPW"))]
+    ImageWrapAmountWidth(SubChunk<ImageWrapAmount>),
+    #[br(magic(b"WRPH"))]
+    ImageWrapAmountHeight(SubChunk<ImageWrapAmount>),
+    #[br(magic(b"VMAP"))]
+    UvVertexMap(SubChunk<UvMap>),
+    #[br(magic(b"AAST"))]
+    AntialiasingStrength(SubChunk<AntialiasingStrength>),
+    #[br(magic(b"PIXB"))]
+    PixelBlending(SubChunk<PixelBlending>),
+    #[br(magic(b"TAMP"))]
+    TextureAmplitude(SubChunk<ValueEnvelope>),
+}
+
+/// The major axis used for planar, cylindrical and spherical projections. The value is 0, 1 or 2
+/// for the X, Y or Z axis.
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct MajorAxis {
+    pub texture_axis: u16,
+}
+
+/// Pixel blending enlarges the sample filter when it would otherwise be smaller than a single
+/// image map pixel. If the low-order flag bit is set, then pixel blending is enabled.
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct PixelBlending {
+    pub flags: u16,
+}
+
+/// The low bit of the flags word is an enable flag for texture antialiasing. The antialiasing
+/// strength is proportional to the width of the sample filter, so larger values sample a larger
+/// area of the image.
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct AntialiasingStrength {
+    pub flags: u16,
+    pub strength: f32,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct UvMap {
+    #[br(align_after = 2)]
+    pub txuv_map_name: NullString,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct ImageWrapAmount {
+    pub cycles: f32,
+    #[br(parse_with = vx)]
+    pub envelope: u32,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct ImageWrapOptions {
+    pub width_wrap: ImageWrapType,
+    pub height_wrap: ImageWrapType,
+}
+
+#[binread]
+#[br(repr = u16)]
+#[derive(Debug)]
+pub enum ImageWrapType {
+    Reset = 0,
+    Repeat = 1,
+    Mirror = 2,
+    Edge = 3,
+}
+
+#[binread]
+#[br(repr = u16, import(_length: u32))]
+#[derive(Debug)]
+pub enum ProjectionMode {
+    Planar = 0,
+    Cylindrical = 1,
+    Spherical = 2,
+    Cubic = 3,
+    FrontProjection = 4,
+    UV = 5,
+}

rust/lightwave/src/lwo2/sub_tags/surface_blocks.rs

@@ -0,0 +1,122 @@
+use crate::binrw_helpers::until_size_limit;
+use crate::iff::SubChunk;
+use crate::lwo2::sub_tags::surface_block_image_texture::SurfaceBlockImageTextureSubChunk;
+use crate::lwo2::sub_tags::EnableState;
+use crate::lwo2::vx;
+use binrw::{binread, PosValue};
+
+#[binread]
+#[br(import(length: u32))]
+#[derive(Debug)]
+pub struct SurfaceBlocks {
+    #[br(temp)]
+    start_pos: PosValue<()>,
+    pub ordinal: OrdinalString,
+    pub header: SubChunk<SurfaceBlockHeader>,
+    #[br(temp)]
+    end_pos: PosValue<()>,
+    #[br(if(matches!(ordinal, OrdinalString::ImageMapTexture)))]
+    #[br(parse_with = until_size_limit(length as u64 - (end_pos.pos - start_pos.pos)))]
+    pub attributes: Vec<SurfaceBlockImageTextureSubChunk>,
+}
+
+#[binread]
+#[br(import(length: u32))]
+#[derive(Debug)]
+pub struct SurfaceBlockHeader {
+    #[br(pad_before = 2)]
+    #[br(parse_with = until_size_limit(length as u64 - 4))]
+    pub block_attributes: Vec<SurfaceBlockHeaderSubChunk>,
+}
+
+#[binread]
+#[derive(Debug)]
+pub enum SurfaceBlockHeaderSubChunk {
+    #[br(magic(b"CHAN"))]
+    Channel(SubChunk<Channel>),
+    #[br(magic(b"ENAB"))]
+    EnabledState(SubChunk<EnableState>),
+    #[br(magic(b"OPAC"))]
+    Opacity(SubChunk<Opacity>),
+    #[br(magic(b"AXIS"))]
+    DisplacementAxis(SubChunk<DisplacementAxis>),
+    #[br(magic(b"NEGA"))]
+    Negative(SubChunk<EnableState>),
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub enum OrdinalString {
+    #[br(magic(b"IMAP"))]
+    ImageMapTexture,
+    #[br(magic(b"PROC"))]
+    ProceduralTexture,
+    #[br(magic(b"GRAD"))]
+    GradientTexture,
+    #[br(magic(b"SHDR"))]
+    ShaderPlugin,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct DisplacementAxis {
+    pub displacement_axis: u16,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct Opacity {
+    pub kind: OpacityType,
+    pub opacity: f32,
+    #[br(parse_with = vx)]
+    pub envelope: u32,
+}
+
+#[binread]
+#[br(repr = u16)]
+#[derive(Debug)]
+pub enum OpacityType {
+    Normal = 0,
+    Subtractive = 1,
+    Difference = 2,
+    Multiply = 3,
+    Divide = 4,
+    Alpha = 5,
+    TextureDisplacement = 6,
+    Additive = 7,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct Channel {
+    pub texture_channel: TextureChannel,
+}
+
+#[binread]
+#[derive(Debug)]
+pub enum TextureChannel {
+    #[br(magic(b"COLR"))]
+    Color,
+    #[br(magic(b"DIFF"))]
+    Diffuse,
+    #[br(magic(b"LUMI"))]
+    Luminosity,
+    #[br(magic(b"SPEC"))]
+    Specular,
+    #[br(magic(b"GLOS"))]
+    Glossy,
+    #[br(magic(b"REFL"))]
+    Reflectivity,
+    #[br(magic(b"TRAN"))]
+    Transparency,
+    #[br(magic(b"RIND"))]
+    RefractiveIndex,
+    #[br(magic(b"TRNL"))]
+    Translucency,
+    #[br(magic(b"BUMP"))]
+    Bump,
+}

rust/lightwave/src/lwo2/sub_tags/surface_parameters.rs

@@ -0,0 +1,71 @@
+use crate::iff::SubChunk;
+use crate::lwo2::sub_tags::surface_blocks::SurfaceBlocks;
+use crate::lwo2::sub_tags::{ValueEnvelope, VectorEnvelope, VxReference};
+use binrw::binread;
+
+#[binread]
+#[derive(Debug)]
+pub enum SurfaceParameterSubChunk {
+    #[br(magic(b"COLR"))]
+    BaseColor(SubChunk<VectorEnvelope>),
+    #[br(magic(b"DIFF"))]
+    BaseShadingValueDiffuse(SubChunk<ValueEnvelope>),
+    #[br(magic(b"LUMI"))]
+    BaseShadingValueLuminosity(SubChunk<ValueEnvelope>),
+    #[br(magic(b"SPEC"))]
+    BaseShadingValueSpecular(SubChunk<ValueEnvelope>),
+    #[br(magic(b"REFL"))]
+    BaseShadingValueReflectivity(SubChunk<ValueEnvelope>),
+    #[br(magic(b"TRAN"))]
+    BaseShadingValueTransparency(SubChunk<ValueEnvelope>),
+    #[br(magic(b"TRNL"))]
+    BaseShadingValueTranslucency(SubChunk<ValueEnvelope>),
+    #[br(magic(b"GLOS"))]
+    SpecularGlossiness(SubChunk<ValueEnvelope>),
+    #[br(magic(b"SHRP"))]
+    DiffuseSharpness(SubChunk<ValueEnvelope>),
+    #[br(magic(b"BUMP"))]
+    BumpIntensity(SubChunk<ValueEnvelope>),
+    #[br(magic(b"SIDE"))]
+    PolygonSidedness(SubChunk<PolygonSidedness>),
+    #[br(magic(b"SMAN"))]
+    MaxSmoothingAngle(SubChunk<MaxSmoothingAngle>),
+    #[br(magic(b"BLOK"))]
+    Blocks(SubChunk<SurfaceBlocks>),
+    #[br(magic(b"RFOP"))]
+    ReflectionOptions(SubChunk<ReflectionOptions>),
+    #[br(magic(b"RIMG"))]
+    ReflectionMapImage(SubChunk<VxReference>),
+    #[br(magic(b"TBLR"))]
+    RefractionBlurring(SubChunk<ValueEnvelope>),
+    #[br(magic(b"CLRH"))]
+    ColorHighlights(SubChunk<ValueEnvelope>),
+    #[br(magic(b"CLRF"))]
+    ColorFilter(SubChunk<ValueEnvelope>),
+    #[br(magic(b"ADTR"))]
+    AdditiveTransparency(SubChunk<ValueEnvelope>),
+}
+
+#[binread]
+#[br(repr = u16, import(_length: u32))]
+#[derive(Debug)]
+pub enum ReflectionOptions {
+    BackdropOnly = 0,
+    RaytracingAndBackdrop = 1,
+    SphericalMap = 2,
+    RaytracingAndSphericalMap = 3,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct PolygonSidedness {
+    pub sidedness: u16,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct MaxSmoothingAngle {
+    pub max_smoothing_angle: f32,
+}

rust/lightwave/src/lwo2/sub_tags/texture_mapping.rs

@@ -0,0 +1,67 @@
+use crate::binrw_helpers::until_size_limit;
+use crate::iff::SubChunk;
+use crate::lwo2::sub_tags::VectorEnvelope;
+use crate::lwo2::vx;
+use binrw::{binread, NullString};
+
+#[binread]
+#[br(import(length: u32))]
+#[derive(Debug)]
+pub struct TextureMapping {
+    #[br(parse_with = until_size_limit(length as u64))]
+    pub attributes: Vec<TextureMappingSubChunk>,
+}
+
+#[binread]
+#[derive(Debug)]
+pub enum TextureMappingSubChunk {
+    #[br(magic(b"CNTR"))]
+    Center(SubChunk<VectorEnvelope>),
+    #[br(magic(b"SIZE"))]
+    Size(SubChunk<VectorEnvelope>),
+    #[br(magic(b"ROTA"))]
+    Rotation(SubChunk<VectorEnvelope>),
+    #[br(magic(b"OREF"))]
+    ReferenceObject(SubChunk<ReferenceObject>),
+    #[br(magic(b"FALL"))]
+    Falloff(SubChunk<Falloff>),
+    #[br(magic(b"CSYS"))]
+    CoordinateSystem(SubChunk<CoordinateSystem>),
+}
+
+#[binread]
+#[br(repr = u16, import(_length: u32))]
+#[derive(Debug)]
+pub enum CoordinateSystem {
+    ObjectCoordinates = 0,
+    WorldCoordinates = 1,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct ReferenceObject {
+    #[br(align_after = 2)]
+    pub object_name: NullString,
+}
+
+#[binread]
+#[br(import(_length: u32))]
+#[derive(Debug)]
+pub struct Falloff {
+    pub kind: FalloffType,
+    pub vector: [f32; 3],
+    #[br(parse_with = vx)]
+    pub envelope: u32,
+}
+
+#[binread]
+#[br(repr = u16)]
+#[derive(Debug)]
+pub enum FalloffType {
+    Cubic = 0,
+    Spherical = 1,
+    LinearX = 2,
+    LinearY = 3,
+    LinearZ = 4,
+}

rust/lightwave/src/lwo2/tags/image_clip.rs

@@ -1,6 +1,6 @@
 use crate::binrw_helpers::until_size_limit;
 use crate::iff::SubChunk;
-use crate::lwo2::tags::surface_definition::ValueEnvelope;
+use crate::lwo2::sub_tags::ValueEnvelope;
 use binrw::{binread, NullString};
 
 /// Describes an image or a sequence of images. Surface definitions specify images by referring to

rust/lightwave/src/lwo2/tags/mod.rs

@@ -50,3 +50,4 @@ pub enum Tag {
     #[br(magic(b"CLIP"))]
     ImageClip(Chunk<ImageClip>),
 }
+

rust/lightwave/src/lwo2/tags/surface_definition.rs

@@ -1,6 +1,5 @@
 use crate::binrw_helpers::until_size_limit;
-use crate::iff::SubChunk;
+use crate::lwo2::sub_tags::surface_parameters::SurfaceParameterSubChunk;
-use crate::lwo2::vx;
 use binrw::{binread, NullString, PosValue};
 
 #[binread]
@@ -16,366 +15,5 @@ pub struct SurfaceDefinition {
     #[br(temp)]
     pub end_pos: PosValue<()>,
     #[br(parse_with = until_size_limit(length as u64 - (end_pos.pos - start_pos.pos)))]
-    pub attributes: Vec<SurfaceSubTag>,
+    pub attributes: Vec<SurfaceParameterSubChunk>,
-}
-
-#[binread]
-#[derive(Debug)]
-pub enum SurfaceSubTag {
-    #[br(magic(b"COLR"))]
-    BaseColor(SubChunk<VectorEnvelope>),
-    #[br(magic(b"DIFF"))]
-    BaseShadingValueDiffuse(SubChunk<ValueEnvelope>),
-    #[br(magic(b"LUMI"))]
-    BaseShadingValueLuminosity(SubChunk<ValueEnvelope>),
-    #[br(magic(b"SPEC"))]
-    BaseShadingValueSpecular(SubChunk<ValueEnvelope>),
-    #[br(magic(b"REFL"))]
-    BaseShadingValueReflectivity(SubChunk<ValueEnvelope>),
-    #[br(magic(b"TRAN"))]
-    BaseShadingValueTransparency(SubChunk<ValueEnvelope>),
-    #[br(magic(b"TRNL"))]
-    BaseShadingValueTranslucency(SubChunk<ValueEnvelope>),
-    #[br(magic(b"GLOS"))]
-    SpecularGlossiness(SubChunk<ValueEnvelope>),
-    #[br(magic(b"SHRP"))]
-    DiffuseSharpness(SubChunk<ValueEnvelope>),
-    #[br(magic(b"BUMP"))]
-    BumpIntensity(SubChunk<ValueEnvelope>),
-    #[br(magic(b"SIDE"))]
-    PolygonSidedness(SubChunk<PolygonSidedness>),
-    #[br(magic(b"SMAN"))]
-    MaxSmoothingAngle(SubChunk<MaxSmoothingAngle>),
-    #[br(magic(b"BLOK"))]
-    Blocks(SubChunk<SurfaceBlocks>),
-    #[br(magic(b"RFOP"))]
-    ReflectionOptions(SubChunk<ReflectionOptions>),
-    #[br(magic(b"RIMG"))]
-    ReflectionMapImage(SubChunk<VxReference>),
-    #[br(magic(b"TBLR"))]
-    RefractionBlurring(SubChunk<ValueEnvelope>),
-    #[br(magic(b"CLRH"))]
-    ColorHighlights(SubChunk<ValueEnvelope>),
-    #[br(magic(b"CLRF"))]
-    ColorFilter(SubChunk<ValueEnvelope>),
-    #[br(magic(b"ADTR"))]
-    AdditiveTransparency(SubChunk<ValueEnvelope>),
-}
-
-#[binread]
-#[br(repr = u16, import(_length: u32))]
-#[derive(Debug)]
-pub enum ReflectionOptions {
-    BackdropOnly = 0,
-    RaytracingAndBackdrop = 1,
-    SphericalMap = 2,
-    RaytracingAndSphericalMap = 3,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct VectorEnvelope {
-    pub base_color: [f32; 3],
-    #[br(parse_with = vx)]
-    pub envelope: u32,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct ValueEnvelope {
-    pub value: f32,
-    #[br(parse_with = vx)]
-    pub envelope: u32,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct PolygonSidedness {
-    pub sidedness: u16,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct MaxSmoothingAngle {
-    pub max_smoothing_angle: f32,
-}
-
-#[binread]
-#[br(import(length: u32))]
-#[derive(Debug)]
-pub struct SurfaceBlocks {
-    #[br(temp)]
-    start_pos: PosValue<()>,
-    pub header: SurfaceBlockHeader,
-    #[br(temp)]
-    end_pos: PosValue<()>,
-    #[br(parse_with = until_size_limit(length as u64 - (end_pos.pos - start_pos.pos)))]
-    pub attributes: Vec<SurfaceBlockSubChunk>,
-}
-
-#[binread]
-#[derive(Debug)]
-pub enum SurfaceBlockHeader {
-    #[br(magic(b"IMAP"))]
-    ImageMapTexture(SubChunk<SurfaceBlockHeaders>),
-    #[br(magic(b"PROC"))]
-    ProceduralTexture(SubChunk<SurfaceBlockHeaders>),
-    #[br(magic(b"GRAD"))]
-    GradientTexture(SubChunk<SurfaceBlockHeaders>),
-    #[br(magic(b"SHDR"))]
-    ShaderPlugin(SubChunk<SurfaceBlockHeaders>),
-}
-
-#[binread]
-#[br(import(length: u32))]
-#[derive(Debug)]
-pub struct SurfaceBlockHeaders {
-    #[br(pad_before = 2, parse_with = until_size_limit(length as u64))]
-    pub block_attributes: Vec<SurfaceBlockSubChunk>,
-}
-
-#[binread]
-#[derive(Debug)]
-pub enum SurfaceBlockSubChunk {
-    #[br(magic(b"CHAN"))]
-    Channel(SubChunk<Channel>),
-    #[br(magic(b"ENAB"))]
-    EnabledState(SubChunk<EnableState>),
-    #[br(magic(b"OPAC"))]
-    Opacity(SubChunk<Opacity>),
-    #[br(magic(b"AXIS"))]
-    DisplacementAxis(SubChunk<DisplacementAxis>),
-    #[br(magic(b"TMAP"))]
-    TextureMapping(SubChunk<TextureMapping>),
-    #[br(magic(b"NEGA"))]
-    Negative(SubChunk<EnableState>),
-    #[br(magic(b"PROJ"))]
-    ProjectionMode(SubChunk<ProjectionMode>),
-    #[br(magic(b"IMAG"))]
-    ImageMap(SubChunk<VxReference>),
-    #[br(magic(b"WRAP"))]
-    ImageWrapOptions(SubChunk<ImageWrapOptions>),
-    #[br(magic(b"WRPW"))]
-    ImageWrapAmountWidth(SubChunk<ImageWrapAmount>),
-    #[br(magic(b"WRPH"))]
-    ImageWrapAmountHeight(SubChunk<ImageWrapAmount>),
-    #[br(magic(b"VMAP"))]
-    UvVertexMap(SubChunk<UvMap>),
-    #[br(magic(b"AAST"))]
-    AntialiasingStrength(SubChunk<AntialiasingStrength>),
-    #[br(magic(b"PIXB"))]
-    PixelBlending(SubChunk<PixelBlending>),
-    #[br(magic(b"TAMP"))]
-    TextureAmplitude(SubChunk<ValueEnvelope>),
-}
-
-/// Pixel blending enlarges the sample filter when it would otherwise be smaller than a single
-/// image map pixel. If the low-order flag bit is set, then pixel blending is enabled.
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct PixelBlending {
-    pub flags: u16,
-}
-
-/// The low bit of the flags word is an enable flag for texture antialiasing. The antialiasing
-/// strength is proportional to the width of the sample filter, so larger values sample a larger
-/// area of the image.
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct AntialiasingStrength {
-    pub flags: u16,
-    pub strength: f32,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct UvMap {
-    #[br(align_after = 2)]
-    pub txuv_map_name: NullString,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct ImageWrapAmount {
-    pub cycles: f32,
-    #[br(parse_with = vx)]
-    pub envelope: u32,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct ImageWrapOptions {
-    pub width_wrap: ImageWrapType,
-    pub height_wrap: ImageWrapType,
-}
-
-#[binread]
-#[br(repr = u16)]
-#[derive(Debug)]
-pub enum ImageWrapType {
-    Reset = 0,
-    Repeat = 1,
-    Mirror = 2,
-    Edge = 3,
-}
-
-#[binread]
-#[br(repr = u16, import(_length: u32))]
-#[derive(Debug)]
-pub enum ProjectionMode {
-    Planar = 0,
-    Cylindrical = 1,
-    Spherical = 2,
-    Cubic = 3,
-    FrontProjection = 4,
-    UV = 5,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct VxReference {
-    #[br(parse_with = vx)]
-    pub texture_image: u32,
-}
-
-#[binread]
-#[br(import(length: u32))]
-#[derive(Debug)]
-pub struct TextureMapping {
-    #[br(parse_with = until_size_limit(length as u64))]
-    pub attributes: Vec<TextureMappingSubChunk>,
-}
-
-#[binread]
-#[derive(Debug)]
-pub enum TextureMappingSubChunk {
-    #[br(magic(b"CNTR"))]
-    Center(SubChunk<VectorEnvelope>),
-    #[br(magic(b"SIZE"))]
-    Size(SubChunk<VectorEnvelope>),
-    #[br(magic(b"ROTA"))]
-    Rotation(SubChunk<VectorEnvelope>),
-    #[br(magic(b"OREF"))]
-    ReferenceObject(SubChunk<ReferenceObject>),
-    #[br(magic(b"FALL"))]
-    Falloff(SubChunk<Falloff>),
-    #[br(magic(b"CSYS"))]
-    CoordinateSystem(SubChunk<CoordinateSystem>),
-}
-
-#[binread]
-#[br(repr = u16, import(_length: u32))]
-#[derive(Debug)]
-pub enum CoordinateSystem {
-    ObjectCoordinates = 0,
-    WorldCoordinates = 1,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct ReferenceObject {
-    #[br(align_after = 2)]
-    pub object_name: NullString,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct Falloff {
-    pub kind: FalloffType,
-    pub vector: [f32; 3],
-    #[br(parse_with = vx)]
-    pub envelope: u32,
-}
-
-#[binread]
-#[br(repr = u16)]
-#[derive(Debug)]
-pub enum FalloffType {
-    Cubic = 0,
-    Spherical = 1,
-    LinearX = 2,
-    LinearY = 3,
-    LinearZ = 4,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct DisplacementAxis {
-    pub displacement_axis: u16,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct Opacity {
-    pub kind: OpacityType,
-    pub opacity: f32,
-    #[br(parse_with = vx)]
-    pub envelope: u32,
-}
-
-#[binread]
-#[br(repr = u16)]
-#[derive(Debug)]
-pub enum OpacityType {
-    Normal = 0,
-    Subtractive = 1,
-    Difference = 2,
-    Multiply = 3,
-    Divide = 4,
-    Alpha = 5,
-    TextureDisplacement = 6,
-    Additive = 7,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct EnableState {
-    pub enable: u16,
-}
-
-#[binread]
-#[br(import(_length: u32))]
-#[derive(Debug)]
-pub struct Channel {
-    pub texture_channel: TextureChannel,
-}
-
-#[binread]
-#[derive(Debug)]
-pub enum TextureChannel {
-    #[br(magic(b"COLR"))]
-    Color,
-    #[br(magic(b"DIFF"))]
-    Diffuse,
-    #[br(magic(b"LUMI"))]
-    Luminosity,
-    #[br(magic(b"SPEC"))]
-    Specular,
-    #[br(magic(b"GLOS"))]
-    Glossy,
-    #[br(magic(b"REFL"))]
-    Reflectivity,
-    #[br(magic(b"TRAN"))]
-    Transparency,
-    #[br(magic(b"RIND"))]
-    RefractiveIndex,
-    #[br(magic(b"TRNL"))]
-    Translucency,
-    #[br(magic(b"BUMP"))]
-    Bump,
 }