Function ObjDoEffects

Descent3/object.cpp:2465–2598

Do any special effects processing for this object

// Do any special effects processing for this object
void ObjDoEffects(object *obj) {
  if (!obj->effect_info)
    return;

  static int napalm_id = -1;

  if (napalm_id == -1)
    napalm_id = FindWeaponName("Napalm");

  if (obj->effect_info->type_flags & EF_VOLUME_CHANGING) {
    obj->effect_info->volume_change_time -= Frametime;
    if (obj->effect_info->volume_change_time <= 0.0f) {
      obj->effect_info->type_flags &= ~EF_VOLUME_CHANGING;
    }
  }

  if (obj->effect_info->type_flags & EF_FADING_IN) {
    obj->effect_info->fade_time -= Frametime;
    if (obj->effect_info->fade_time <= 0.0f) {
      obj->effect_info->type_flags &= ~EF_FADING_IN;
    }
  }

  if (obj->effect_info->type_flags & EF_CLOAKED) {
    obj->effect_info->cloak_time -= Frametime;
    if (obj->effect_info->cloak_time <= 0.0f) {
      //	reappear the object
      MakeObjectVisible(obj);
    }
  }

  if (obj->effect_info->type_flags & EF_FADING_OUT) {
    obj->effect_info->fade_time -= Frametime;
    if (obj->effect_info->fade_time <= 0.0f) {
      obj->effect_info->type_flags &= ~EF_FADING_OUT;
      obj->effect_info->type_flags |= EF_CLOAKED;
    }
  }

  if (obj->effect_info->type_flags & EF_LIQUID) {
    obj->effect_info->liquid_time_left -= Frametime;
    if (obj->effect_info->liquid_time_left <= 0.0f) {
      // Stop doing liquid effect
      obj->effect_info->type_flags &= ~EF_LIQUID;
      if (obj == Viewer_object)
        Render_FOV = D3_DEFAULT_FOV;
    } else {
      if (obj == Viewer_object) {
        int inttime = Gametime;
        float normtime = Gametime - inttime;

        float scalar = FixSin(normtime * 65535 * 4);

        scalar *= ((float)obj->effect_info->liquid_mag);
        if (obj->effect_info->liquid_time_left < 1)
          scalar *= (obj->effect_info->liquid_time_left);

        Render_FOV = D3_DEFAULT_FOV + scalar;