PROJ DECAL

defineprojectile <tilenum> PROJ_DECAL <decal tilenum>

PROJ_DECAL is a defineprojectile property used to set the tilenum of any decal spawned by the projectile, i.e. bullet holes.

Where <decal tilenum> is the tilenum of the decal used. Only works with bullet projectiles.

Doesn't work with bullet type projectiles fired by actors other than players.