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Glowing Player Halos

I looked and looked and couldn't find any way to put a L4D style glow around other players for some reason! So I decided I would try to make my first add-on. It's kinda simple, and it took me forever to figure out, but I think it turned out working pretty well!

Multiplayer: Only your host / server needs this addon installed. Players don't need to subscribe.
Single player: Just subscribe.

For now, you hafta change your settings via server console commands. I tried looking at how to make settings menus, and I think they're too complicated for me for now!

Main settings:

player_halos 1 by default
Draw player halos around players. Make this 0 to disable them, 1 to enable them some of the time (according to your other settings), 2 to keep them always on, and 3 to always have them on as long as 'disallow' conditions aren't met.

player_halos_npcs 0
Set this to a color in the r g b format of "[0-1] [0-1] [0-1]" to make halos be drawn around NPCs as well. For example, to make them a dark greenish yellow: "player_halos_npcs .25 .3 0"

player_halos_color 0
Sets color for player halos. Set this to 0 to use each player's personal colors. Set this to 1 to use team colors.

Disallow settings:

player_halos_team_only 0
Player halos will only appear around team members.

Show halo settings:

player_halos_obstructed 1
Player halos will appear for people blocked by something else (like walls).

player_halos_unobstructed_dist 1000
Halos will appear around players farther than this distance, even if there is nothing obstructing them. Set this to 0 if halos should never appear because of this.

player_halos_flashlight 1
Other players' halos will appear when your flashlight is on.

player_halos_flashlight_them 0
Everyone will see your halo when your flashlight is on.

player_halos_vehicle 0
Player halos will appear when you are in a vehicle.

If you're a lua writer yourself, you can actually add extra conditions in!

PlayerHalosShouldNotDraw function( player, personGettingGlow )
PlayerHalosShouldDraw function( player, personGettingGlow )

If you return true to either of those, my add-on will go ahead and disable drawing halos or decide to draw halos! "ShouldNotDraw" takes precedence over "ShouldDraw," so if you send true to it, it won't even use its ShouldDraw hook. If you do decide my add-on is fun enough that you want to write some, make sure you tell me about it! I might even add it into here, with your name in your command's help text~