Question 2D light shadow covering other light sources

Im currently trying to make a player with a vision cone, where the player can only bright a light on a small range, cannot see over obstacles, and if a place is illuminated by other light sources further away from the player's own light, they can see it.

Most of this was easy to implement thanks to 2D lights and the 2D shadow caster, but the problem comes from this: I want that if there is an obstacle between the player and another light source, that light is covered by the shadow of the player's light.

I tried making a linecast that simply disables the light sources if there is an obstacle inbetween, but then the illuminated parts outside of the obstacle(the player should see them) disappear too.

I was wondering if Unity has any way to give priority to light so that a light with higher priority's shadows covers other lights. I've been poking around layers and depth masks without much luck.

Thank you

 

Hi, sorry for answering late, I just wanted to say I ended up finding this video that implemented the vision cone, and I used it to cover over the light, reaching my desired effect.