fn meld_in_material()

in native/src/work_asset/meld.rs [170:206]

• 33 lines of code
• 7 McCabe index (conditional complexity)

fn meld_in_material(
    base: &mut WorkAsset,
    other: &WorkAsset,
    other_ix: Index<Material>,
) -> Index<Material> {
    let other_ix = other_ix.value();
    let key = &other.material_keys[other_ix];
    if let Some(ix) = base.material_ix(key) {
        return Index::new(ix as u32);
    }
    let mut new_object = other.materials()[other_ix].clone();

    // laboriously hand-meld the five relevant textures
    if let Some(mut info) = new_object.normal_texture {
        info.index = meld_in_texture(base, other, info.index);
        new_object.normal_texture = Some(info);
    }
    if let Some(mut info) = new_object.occlusion_texture {
        info.index = meld_in_texture(base, other, info.index);
        new_object.occlusion_texture = Some(info);
    }
    if let Some(mut info) = new_object.emissive_texture {
        info.index = meld_in_texture(base, other, info.index);
        new_object.emissive_texture = Some(info);
    }
    if let Some(mut info) = new_object.pbr_metallic_roughness.base_color_texture {
        info.index = meld_in_texture(base, other, info.index);
        new_object.pbr_metallic_roughness.base_color_texture = Some(info);
    }
    if let Some(mut info) = new_object.pbr_metallic_roughness.metallic_roughness_texture {
        info.index = meld_in_texture(base, other, info.index);
        new_object.pbr_metallic_roughness.metallic_roughness_texture = Some(info);
    }
    // end meld logic

    Index::new(base.push_material(new_object, key) as u32)
}