From DoomWiki.org

A_Metal is a code pointer used in the normal animation for the Cyberdemon and Spiderdemon.

A_Metal is a wrapper around A_Chase that also plays the sound effect DSMETAL. It allows the normal monster chase AI to run while adding sound effects for the boss monsters' footsteps.


The A_Metal code pointer appears in the following states in Doom's state table:


The following is an example of how to set the A_Metal code pointer in a Dehacked file:

Pointer 21 (Frame 34)
Codep Frame = 682

Or using BEX syntax:

Frame 1234 = Metal

External links[edit]