Function DoCycledAnim

Descent3/object.cpp:2121–2171

}

void DoCycledAnim(object *obj) {
  float from;
  float to;
  float delta;
  float spc;

  float anim_time = Frametime;

  if (!(obj->flags & OF_POLYGON_OBJECT))
    return;

  from = Object_info[obj->id].anim[MC_STANDING].elem[AS_ALERT].from;
  to = Object_info[obj->id].anim[MC_STANDING].elem[AS_ALERT].to;
  spc = Object_info[obj->id].anim[MC_STANDING].elem[AS_ALERT].spc;

  if (spc <= 0.0)
    return;
  ASSERT(from <= to);

  if (obj->rtype.pobj_info.anim_frame < from || obj->rtype.pobj_info.anim_frame > to) {
    mprintf(0, "NonAI-Animation: Correcting for an incorrect frame number\n");
    obj->rtype.pobj_info.anim_frame = from;
  }

  delta = to - from;

  ASSERT(delta >= 0.0f);

  if (delta > 0.0f) {
    // Frames per second will be on the animation page
    float step = (1.0f / (spc / (delta))) * anim_time;

    while (step > delta) {
      step -= delta;
    }

    ASSERT(step >= 0.0f);

    obj->rtype.pobj_info.anim_frame += step;

    if (obj->rtype.pobj_info.anim_frame >= to) {

      // We are guarenteed that this is between 'to' and 'from' from the above asserts()  :)
      obj->rtype.pobj_info.anim_frame -= delta;
    }
  } else {
    obj->rtype.pobj_info.anim_frame = from;
  }

  ASSERT(obj->rtype.pobj_info.anim_frame >= from && obj->rtype.pobj_info.anim_frame <= to);
}

void TimeoutObject(object *obj) {
  switch (obj->type) {