Fixed nullptr error when loading map

[nohenry]

When I tried loading a BSP file the engine would crash from an assert with the value being null. I just changed the use of an operator overload to the function and it worked.

[thomasfn]

Out of curiosity, which map did you try to load? It seems to have an older static prop format than ones I'm using for testing.

[nohenry]

Out of curiosity, which map did you try to load? It seems to have an older static prop format than ones I'm using for testing.

I was actually trying to load maps from portal 1 and none of them were able to load at all without crashing halfway through importing. I’m not sure how this hasn’t been a problem before since the [] operator will segfault if the value doesn’t exist.