they actually don't maybe

lib/bsp_loader/src/brush.rs

@@ -239,10 +239,9 @@ pub fn brush_to_mesh(bsp:&vbsp::Bsp,brush:&vbsp::Brush)->Result<model::Mesh,Brus
 	let face_list=sides.iter().map(|side|{
 		// The so-called tumor brushes are actually visleaf hints
 		// used to inform the bsp of how to paritition space
+		const TUMOR:vbsp::TextureFlags=vbsp::TextureFlags::HINT.union(vbsp::TextureFlags::SKIP);
 		if let Some(texture_info)=bsp.textures_info.get(side.texture_info as usize){
-			let texture_info=vbsp::Handle::new(bsp,texture_info);
-			// I cannot believe they actually use the texture to inform behaviour
-			if matches!(texture_info.name().to_lowercase().as_str(),"tools/toolshint"|"tools/toolsskip"){
+			if texture_info.flags.intersects(TUMOR){
 				return None;
 			}
 		}