These are oddities and bugs you might run into when working on ET mods.
- If PERS_HWEAPON_USE is set (ps.persistant), usercmd_t.forwardmove, rightmove and upmove will be set to 0 when usercommmands are generated.
- When usercmd_t.buttons & BUTTON_ACTIVATE and the client is strafing at the same time, usercmd_t.wbuttons will either be OR-ed with WBUTTON_LEANRIGHT or WBUTTON_LEANLEFT depending on the strafe direction.
- When trying to render a model in the UI using trap_R_AddRefEntityToScene and then trap_R_RenderScene, the engine will crash when there isn’t a map loaded.
- gameinfo.dat (open it in a text editor) allows you to disable profiles and determine which gametypes are Single Player or Coop.