115 - Linedef Executor: Play SFX
Plays a sound effect. The line length is the sound number to use. The list of sound effects can be found in sounds.h. The origin of the sound depends on which linedef flags are set:
No climb (64): The sound is played from nowhere, but only for the player who triggered it.
Passuse (512): The sound is played from nowhere for everyone.
Block monsters (2): The sound is played from the center of the sector that triggered the linedef executor.
Otherwise, the sound is played from the location of the player or thing who triggered it.