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dont collect all props on front

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This commit is contained in:
Robin Appelman 2022-03-20 19:31:21 +01:00
commit 84ba312d30
1 changed files with 22 additions and 21 deletions
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41
src/main.rs
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@ -88,11 +88,7 @@ fn main() -> Result<(), Error> {
let loader = Loader::new(bsp.pack.clone())?;
let model = Model::new_with_material(&renderer.context, &cpu_mesh, material.clone())?;
let props = bsp
.static_props()
.map(|prop| load_prop(&loader, prop))
.collect::<Result<Vec<_>, _>>()?;
let merged_props = merge_meshes(props);
let merged_props = load_props(&loader, bsp.static_props())?;
let props_model = Model::new_with_material(&renderer.context, &merged_props, material)?;
renderer.models = vec![model, props_model];
@ -136,13 +132,18 @@ fn model_to_mesh(model: Handle<vbsp::data::Model>) -> CPUMesh {
mesh
}
fn load_prop(loader: &Loader, prop: Handle<StaticPropLump>) -> Result<CPUMesh, Error> {
let mut mesh = load_prop_mesh(loader, prop.model())?;
fn load_props<'a, I: Iterator<Item = Handle<'a, StaticPropLump>>>(
loader: &Loader,
props: I,
) -> Result<CPUMesh, Error> {
merge_meshes(props.map(|prop| {
let mut mesh = load_prop_mesh(loader, prop.model())?;
let transform =
Mat4::from_translation(map_coords(prop.origin).into()) * Mat4::from(prop.rotation());
mesh.transform(&transform);
Ok(mesh)
let transform =
Mat4::from_translation(map_coords(prop.origin).into()) * Mat4::from(prop.rotation());
mesh.transform(&transform);
Ok(mesh)
}))
}
#[tracing::instrument(skip(loader))]
@ -173,14 +174,12 @@ fn prop_to_mesh(model: &vmdl::Model) -> CPUMesh {
.collect(),
);
let mut mesh = CPUMesh {
CPUMesh {
positions,
normals: Some(normals),
indices: Some(indices),
..Default::default()
};
mesh.compute_normals();
mesh
}
}
fn load_world(path: &Path) -> Result<(CPUMesh, Bsp), Error> {
@ -191,13 +190,15 @@ fn load_world(path: &Path) -> Result<(CPUMesh, Bsp), Error> {
Ok((model_to_mesh(world_model), bsp))
}
fn merge_meshes<I: IntoIterator<Item = CPUMesh>>(meshes: I) -> CPUMesh {
fn merge_meshes<I: IntoIterator<Item = Result<CPUMesh, Error>>>(
models: I,
) -> Result<CPUMesh, Error> {
let mut positions = Vec::new();
let mut normals = Vec::new();
let mut indices = Vec::new();
for mesh in meshes {
mesh.validate().expect("invalid mesh");
for mesh in models {
let mesh = mesh?;
let offset = positions.len() as u32 / 3;
positions.extend_from_slice(&mesh.positions);
normals.extend_from_slice(&mesh.normals.unwrap());
@ -208,10 +209,10 @@ fn merge_meshes<I: IntoIterator<Item = CPUMesh>>(meshes: I) -> CPUMesh {
}
}
CPUMesh {
Ok(CPUMesh {
positions,
normals: Some(normals),
indices: Some(Indices::U32(indices)),
..Default::default()
}
})
}