Do not reload every texture when adding a wad
Also includes an optimization for PNG detection and hashed texture and lump names.
This saved 100 ms for me on startup and around 200 ms when adding the OLDC 2021: Round 2.
Also includes an optimization for PNG detection and hashed texture and lump names.
This saved 100 ms for me on startup and around 200 ms when adding the OLDC 2021: Round 2.