glow rendering fixes to bring stars back

pxl8d/src/procgen.rs

@@ -1062,6 +1062,13 @@ pub fn generate_rooms(params: &ProcgenParams) -> Bsp {
         })
     }).collect();
 
+    let mut lights = lights;
+    lights.push(LightSource {
+        position: Vec3::new(860.0, light_height, 416.0),
+        intensity: 1.2,
+        radius: 120.0,
+    });
+
     compute_bsp_vertex_lighting(&mut bsp, &lights);
 
     bsp.into()