Copying Properties from Object to Another
Ctrl-select properties you want to copy and ctrl+c.
Select the object(s) you want to copy them to and paste ctrl+v!
(You don't have to hover the properties panel to paste)
#source2 #source #valve #cs2 #counterstrike #hammer #leveldesign

3 trains in an empty, unlit map, displaying a checkerboard pattern on top of their textures.

You can preview Texture Density (and other texture views!) by pressing the top right viewport button > Tools Visualization Mode > Texture Density
#source2 #source #valve #cs2 #counterstrike #hammer #leveldesign

Making stairs at an angled corner using the Workplane and Clipping tool, which is undoubtedly the faster way to do this. Thanks NotEagle from Mapcore for the tip.
#source2 #source #valve #cs2 #counterstrike #hammer #leveldesign

Making stairs at an angled corner using the Screen Reflect tool. (Not in Alyx or SteamVR)
#source2 #source #valve #cs2 #counterstrike #hammer #leveldesign

Used on the new Train remake in #cs2, these windows use the Transmissive Backface Ndotl feature in the Csgo_Complex shader. This allows lights to pass through the backfaces while also lighting up the glass mesh itself. Very neat trick!