hlrad v3.4 VL33 (Feb 2 2014)
Zoner's Half-Life Compilation Tools -- Custom Build
Based on code modifications by Sean 'Zoner' Cavanaugh
Based on Valve's version, modified with permission.
Submit detailed bug reports to (email@example.com)
----- BEGIN hlrad -----
Command line: "D:/Programs and crap/J.A.C.K./halflife/hlrad.exe" -extra "D:\Games\Half-Life Resonance Cascade\valve\maps\testmap"
Arguments: -extra "D:\Games\Half-Life Resonance Cascade\valve\maps\testmap" -low
>> There was a problem compiling the map.
>> Check the file D:\Games\Half-Life Resonance Cascade\valve\maps\testmap.log for the cause.
----- END hlrad -----
This is the error log that you can open whenever you try to open your Map for Half Life.
HLRAD.exe is a program that renders the lighting whenever you open up the .BSP ingame,It doesn't render the lighting whenever you have a leak inside your map,Here are two methods to fix your problem:
HERE ARE THE FIXES!:Method 1: You have to seal all the leaks inside your map. A leak is a hole inside your map that shows you the outside of the map,Which is just a void that glitches and starts messing up the map. So you'll have to go back to Hammer and start sealing the leaks and then HLRAD.exe should work fine.
Method 2 (Submitted by SilentRunner007): If you are making a part of your map where you are viewing the sky,You should texture the roof with the texture "Sky",Keep in mind it has to be adjacent to the walls or else there'll be a leak,You can texture the walls "Sky" too if you want to view the skybox from the sides of your map.
Method 3:If you are going to make your map in the outside,Then it's probably reccomended to make a Skybox around your map. It takes a little bit more time to compile your map and it adds 6 more brushes for the map to render. But it can do the job for you. There can be a work-around,But that's what I came up with if you are going to be outside trying to spelunk on the sides of a map just like Surface Tension.