ActionCondition()

override bool ActionCondition	(	PlayerBase	player,
		ActionTarget	target,
		ItemBase	item )

См. определение в файле ActionBuryAshes.c строка 27

    {
        if (player.IsPlacingLocal())
        {
            return false;
        }
        
        //Action not allowed if player has broken legs
        if (player.GetBrokenLegs() == eBrokenLegs.BROKEN_LEGS)
        {
            return false;
        }
        
        Fireplace fireplaceTarget = Fireplace.Cast(target.GetObject());
        if (fireplaceTarget)
        {
            if (fireplaceTarget.HasAshes() && !fireplaceTarget.IsBurning() && fireplaceTarget.IsEmpty())
            {
                int liquidType;
                string surfaceType;
                GetGame().SurfaceUnderObject(fireplaceTarget, surfaceType, liquidType);
                if (GetGame().IsSurfaceDigable(surfaceType))
                {
                    return true;
                }
            }
        }
        
        return false;
    }

Перекрестные ссылки ActionTarget, GetGame() и CGame::SurfaceUnderObject().