animation data

examples/parse.rs

@@ -18,17 +18,17 @@ fn main() -> Result<(), vmdl::ModelError> {
     let data = fs::read(path.with_extension("vvd"))?;
     let _vvd = Vvd::read(&data)?;
 
-    println!("{}", mdl.surface_prop);
-    println!("{:?}", mdl.key_values);
-    for bone in mdl.bones {
-        println!(
-            "{}: from {} at\n\t{:?}\n\t{:?}",
-            bone.name,
-            bone.parent,
-            bone.quaternion,
-            bone.pose_to_bone.rotation()
-        );
-    }
+    println!("{:?}", mdl.header.flags);
+    dbg!(mdl.local_animations);
+    // for bone in mdl.bones {
+    //     println!(
+    //         "{}: from {} at\n\t{:?}\n\t{:?}",
+    //         bone.name,
+    //         bone.parent,
+    //         bone.quaternion,
+    //         bone.pose_to_bone.rotation()
+    //     );
+    // }
 
     // let model = Model::from_parts(mdl, vtx, vvd);
     // for strip in model.vertex_strips() {

examples/view/main.rs

@@ -251,6 +251,7 @@ fn model_to_model(model: &Model, loader: &Loader, skin: usize) -> CpuModel {
     let skin = model.skin_tables().nth(skin).unwrap();
 
     let transforms = model.root_transform();
+    let transforms = Matrix4::identity();
 
     let geometries = model
         .meshes()

src/lib.rs

@@ -6,7 +6,7 @@ pub mod vtx;
 pub mod vvd;
 
 pub use crate::mdl::Mdl;
-use crate::mdl::{Bone, TextureInfo};
+use crate::mdl::{Bone, PoseParameterDescription, TextureInfo};
 pub use crate::vtx::Vtx;
 use crate::vvd::Vertex;
 pub use crate::vvd::Vvd;
@@ -144,6 +144,10 @@ impl Model {
     pub fn surface_prop(&self) -> &str {
         self.mdl.surface_prop.as_str()
     }
+
+    pub fn poses(&self) -> impl Iterator<Item = &PoseParameterDescription> {
+        self.mdl.pose_parameters.iter()
+    }
 }
 
 pub struct SkinTable<'a> {

src/mdl/mod.rs

@@ -23,6 +23,8 @@ pub struct Mdl {
     pub skin_table: Vec<u16>,
     pub surface_prop: String,
     pub key_values: Option<String>,
+    pub local_animations: Vec<AnimationDescription>,
+    pub pose_parameters: Vec<PoseParameterDescription>,
 }
 
 impl Mdl {
@@ -49,6 +51,8 @@ impl Mdl {
         let key_values = (header.key_value_size > 0)
             .then(|| read_single(data, header.key_value_index))
             .transpose()?;
+        let local_animations = read_relative(data, header.local_animation_indexes())?;
+        let pose_parameters = read_relative(data, header.local_pose_param_indexes())?;
 
         Ok(Mdl {
             name,
@@ -70,6 +74,8 @@ impl Mdl {
             header,
             surface_prop,
             key_values,
+            pose_parameters,
+            local_animations,
         })
     }
 }

src/mdl/raw/animation.rs

@@ -0,0 +1,135 @@
+use crate::{ModelError, ReadRelative};
+use bitflags::bitflags;
+use bytemuck::{Pod, Zeroable};
+use std::mem::size_of;
+
+#[derive(Debug, Clone, Copy, Zeroable, Pod)]
+#[repr(C)]
+pub struct PoseParameterDescriptionHeader {
+    name_index: i32,
+    flags: i32,
+    start: f32,
+    end: f32,
+    loop_range: f32,
+}
+
+static_assertions::const_assert_eq!(size_of::<PoseParameterDescriptionHeader>(), 20);
+
+#[derive(Clone, Debug)]
+pub struct PoseParameterDescription {
+    pub name: String,
+    pub flags: i32,
+    pub start: f32,
+    pub end: f32,
+    pub loop_range: f32,
+}
+
+impl ReadRelative for PoseParameterDescription {
+    type Header = PoseParameterDescriptionHeader;
+
+    fn read(data: &[u8], header: Self::Header) -> Result<Self, ModelError> {
+        let name_bytes = data
+            .get(header.name_index as usize..)
+            .ok_or(ModelError::OutOfBounds {
+                data: "pose name",
+                offset: header.name_index as usize,
+            })?;
+        Ok(PoseParameterDescription {
+            name: String::read(name_bytes, ())?,
+            flags: header.flags,
+            start: header.start,
+            end: header.end,
+            loop_range: header.loop_range,
+        })
+    }
+}
+
+#[derive(Debug, Clone, Copy, Zeroable, Pod)]
+#[repr(C)]
+pub struct AnimationDescriptionHeader {
+    base_ptr: i32,
+    name_offset: i32,
+    fps: f32,
+    flags: i32,
+
+    frame_count: i32,
+
+    movement_count: i32,
+    movement_offset: i32,
+
+    _padding: [i32; 6],
+
+    animation_block: i32,
+    animation_index: i32,
+
+    ik_rule_count: i32,
+    ik_rule_offset: i32,
+    animation_block_ik_rule_index: i32,
+
+    local_hierarchy_count: i32,
+    local_hierarchy_offset: i32,
+
+    section_offset: i32,
+    section_frames: i32,
+
+    zero_frame_span: i16,
+    zero_frame_count: i16,
+    zero_frame_offset: i32,
+
+    zero_frame_stall_time: f32,
+}
+
+static_assertions::const_assert_eq!(size_of::<AnimationDescriptionHeader>(), 100);
+
+#[derive(Clone, Debug)]
+pub struct AnimationDescription {
+    pub name: String,
+    pub fps: f32,
+    pub frame_count: i32,
+}
+
+impl ReadRelative for AnimationDescription {
+    type Header = AnimationDescriptionHeader;
+
+    fn read(data: &[u8], header: Self::Header) -> Result<Self, ModelError> {
+        let name_bytes =
+            data.get(dbg!(header.name_offset) as usize..)
+                .ok_or(ModelError::OutOfBounds {
+                    data: "animation name",
+                    offset: header.name_offset as usize,
+                })?;
+        Ok(AnimationDescription {
+            name: String::read(name_bytes, ())?,
+            fps: header.fps,
+            frame_count: header.frame_count,
+        })
+    }
+}
+
+#[derive(Debug, Clone, Copy, Zeroable, Pod)]
+#[repr(C)]
+pub struct AnimationHeader {
+    bone: u8,
+    flags: AnimationFlags,
+    next_offset: u16,
+}
+
+#[derive(Zeroable, Pod, Copy, Clone, Debug)]
+#[repr(C)]
+pub struct AnimationFlags(u8);
+
+bitflags! {
+    impl AnimationFlags: u8 {
+        /// Vector48
+        const STUDIO_ANIM_RAWPOS = 	0x00000001;
+        /// Quaternion48
+        const STUDIO_ANIM_RAWROT = 	0x00000002;
+        /// mstudioanim_valueptr_t
+        const STUDIO_ANIM_ANIMPOS = 0x00000004;
+        /// mstudioanim_valueptr_t
+        const STUDIO_ANIM_ANIMROT = 0x00000008;
+        const STUDIO_ANIM_DELTA = 	0x00000010;
+        /// Quaternion64
+        const STUDIO_ANIM_RAWROT2 = 0x00000020;
+    }
+}

src/mdl/raw/header.rs

@@ -220,7 +220,11 @@ impl StudioHeader {
     }
 
     pub fn local_animation_indexes(&self) -> impl Iterator<Item = usize> {
-        index_range(self.local_animation_offset, self.local_animation_count, 1)
+        index_range(
+            self.local_animation_offset,
+            self.local_animation_count,
+            size_of::<AnimationDescriptionHeader>(),
+        )
     }
 
     pub fn local_sequence_indexes(&self) -> impl Iterator<Item = usize> {
@@ -292,7 +296,11 @@ impl StudioHeader {
     }
 
     pub fn local_pose_param_indexes(&self) -> impl Iterator<Item = usize> {
-        index_range(self.local_pose_param_index, self.local_pose_param_count, 1)
+        index_range(
+            self.local_pose_param_index,
+            self.local_pose_param_count,
+            size_of::<PoseParameterDescriptionHeader>(),
+        )
     }
 
     pub fn ik_lock_indexes(&self) -> impl Iterator<Item = usize> {

src/mdl/raw/mod.rs

@@ -1,12 +1,15 @@
-use crate::Vector;
 use crate::{index_range, FixedString};
+use crate::{ModelError, ReadRelative, Vector};
 use bitflags::bitflags;
 use bytemuck::{Pod, Zeroable};
 use std::mem::size_of;
 
+mod animation;
 mod bones;
 pub mod header;
 pub mod header2;
+
+pub use animation::*;
 pub use bones::*;
 
 #[derive(Debug, Clone, Copy, Zeroable, Pod)]