A_LoopActiveSound
From ZDoom Wiki
A_LoopActiveSound
(no parameters)
| Note: This function has been superseded by A_PlaySoundEx, which duplicates and extends its functionality. Use of the newer function is advised in order to maintain maximum flexibility in your code. |
Plays the actor's active sound, if one is defined, and causes it to loop seamlessly. The sound can be stopped with A_StopSound.
This function doesn't work on weapons.

