attachements wip

src/mdl/mod.rs

@@ -4,11 +4,10 @@ pub use raw::header::*;
 pub use raw::header2::*;
 pub use raw::*;
 use std::mem::size_of;
+use bytemuck::{Pod, Zeroable};
 
 use crate::vvd::Vertex;
-use crate::{
-    read_relative, read_relative_iter, read_single, FixedString, ModelError, ReadRelative, Readable,
-};
+use crate::{read_relative, read_relative_iter, read_single, FixedString, ModelError, ReadRelative, Readable, Transform3x4};
 
 type Result<T> = std::result::Result<T, ModelError>;
 
@@ -26,6 +25,7 @@ pub struct Mdl {
     pub key_values: Option<String>,
     pub local_animations: Vec<AnimationDescription>,
     pub pose_parameters: Vec<PoseParameterDescription>,
+    pub attachments: Vec<StudioAttachment>,
 }
 
 impl Mdl {
@@ -62,6 +62,7 @@ impl Mdl {
             .transpose()?;
         let local_animations = read_relative(data, header.local_animation_indexes())?;
         let pose_parameters = read_relative(data, header.local_pose_param_indexes())?;
+        let attachments = read_relative(data, header.attachment_indexes())?;
 
         Ok(Mdl {
             name,
@@ -86,6 +87,7 @@ impl Mdl {
             key_values,
             pose_parameters,
             local_animations,
+            attachments,
         })
     }
 }
@@ -166,3 +168,24 @@ impl ReadRelative for TextureInfo {
         })
     }
 }
+
+#[derive(Debug, Clone)]
+pub struct StudioAttachment {
+    pub name: String,
+    pub flags: AttachmentFlags,
+    pub local_bone: i32,
+    pub local: Transform3x4,
+}
+
+impl ReadRelative for StudioAttachment {
+    type Header = StudioAttachmentHeader;
+
+    fn read(data: &[u8], header: Self::Header) -> Result<Self> {
+        Ok(StudioAttachment {
+            name: String::read(&data[header.name_index as usize..], ())?.replace('\\', "/"),
+            flags: header.flags,
+            local: header.local,
+            local_bone: header.local_bone,
+        })
+    }
+}

src/mdl/raw/header.rs

@@ -265,7 +265,7 @@ impl StudioHeader {
     }
 
     pub fn attachment_indexes(&self) -> impl Iterator<Item = usize> {
-        index_range(self.attachment_offset, self.attachment_count, 1)
+        index_range(self.attachment_offset, self.attachment_count, size_of::<StudioAttachmentHeader>())
     }
 
     pub fn local_node_indexes(&self) -> impl Iterator<Item = usize> {

src/mdl/raw/mod.rs

@@ -1,4 +1,4 @@
-use crate::{index_range, FixedString};
+use crate::{index_range, FixedString, Transform3x4};
 use crate::{ModelError, ReadRelative, Vector};
 use bitflags::bitflags;
 use bytemuck::{Pod, Zeroable};
@@ -109,3 +109,27 @@ pub struct MeshTexture {
 }
 
 static_assertions::const_assert_eq!(size_of::<MeshTexture>(), 16 * 4);
+
+#[derive(Debug, Clone, Copy, Zeroable, Pod)]
+#[repr(C)]
+#[allow(dead_code)]
+pub struct StudioAttachmentHeader {
+    pub name_index: i32,
+    pub flags: AttachmentFlags,
+    pub local_bone: i32,
+    pub local: Transform3x4,
+    pub padding: [i32; 8],
+}
+
+#[derive(Zeroable, Pod, Copy, Clone, Debug)]
+#[repr(C)]
+pub struct AttachmentFlags(i32);
+
+bitflags! {
+    impl AttachmentFlags: i32 {
+        /// Vector48
+        const ATTACHMENT_WORLD_ALIGN = 0x10000;
+    }
+}
+
+static_assertions::const_assert_eq!(size_of::<StudioAttachmentHeader>(), 23 * 4);