Function SetupMineObject

Descent3/renderobject.cpp:1106–1175

Sets up the light states for an indoor object to be rendered

}
// Sets up the light states for an indoor object to be rendered
bool SetupMineObject(object *objp) {
  if (objp->lighting_render_type == LRT_STATIC || Poly_models[objp->rtype.pobj_info.model_num].new_style == 0) {
    RenderObject_SetStatic(1.0f, 1.0f, 1.0f);
  } else if (objp->lighting_render_type == LRT_GOURAUD || NoLightmaps) {
    float scalar_r = 1.0, scalar_g = 1.0, scalar_b = 1.0;

    vector lightdir = {0, -1.0, 0}; // straight down for now

    // Get the volume light for this object
    if (objp->effect_info && (objp->effect_info->type_flags & EF_VOLUME_LIT) &&
        !(Rooms[objp->roomnum].flags & RF_EXTERNAL)) {
      vector vpos = objp->pos;
      if (Render_mirror_for_room)
        vpos = objp->last_pos;
      if (objp->effect_info->type_flags & EF_VOLUME_CHANGING) {
        float old_r, old_g, old_b;
        float new_r, new_g, new_b;
        GetRoomDynamicScalar(&objp->effect_info->volume_old_pos, &Rooms[objp->effect_info->volume_old_room], &old_r,
                             &old_g, &old_b);
        GetRoomDynamicScalar(&vpos, &Rooms[objp->roomnum], &new_r, &new_g, &new_b);
        scalar_r =
            (old_r * objp->effect_info->volume_change_time) + ((1 - objp->effect_info->volume_change_time) * new_r);
        scalar_g =
            (old_g * objp->effect_info->volume_change_time) + ((1 - objp->effect_info->volume_change_time) * new_g);
        scalar_b =
            (old_b * objp->effect_info->volume_change_time) + ((1 - objp->effect_info->volume_change_time) * new_b);
      } else
        GetRoomDynamicScalar(&vpos, &Rooms[objp->roomnum], &scalar_r, &scalar_g, &scalar_b);

      scalar_r = std::min<float>(1, scalar_r + (objp->effect_info->dynamic_red));
      scalar_g = std::min<float>(1, scalar_g + (objp->effect_info->dynamic_green));
      scalar_b = std::min<float>(1, scalar_b + (objp->effect_info->dynamic_blue));
      // If this is a robot, make it at least 10% for each RGB component
      if (objp->type == OBJ_ROBOT) {
        scalar_r = std::max<float>(.1, scalar_r);
        scalar_g = std::max<float>(.1, scalar_g);
        scalar_b = std::max<float>(.1, scalar_b);
      }

      if (objp->type == OBJ_PLAYER && (Game_mode & GM_MULTI)) {
        if (Netgame.flags & NF_BRIGHT_PLAYERS) {
          scalar_r = 1;
          scalar_g = 1;
          scalar_b = 1;
        } else {
          // Make this ship brighter based on its speed
          float speed_norm;
          speed_norm = std::min<float>(vm_GetMagnitudeFast(&objp->mtype.phys_info.velocity) / 20.0, 1);
          speed_norm *= 1;
          speed_norm += 1;
          scalar_r = std::min<float>(1, scalar_r * speed_norm);
          scalar_g = std::min<float>(1, scalar_g * speed_norm);
          scalar_b = std::min<float>(1, scalar_b * speed_norm);
        }
      }
      if (objp->type == OBJ_PLAYER && (Players[objp->id].flags & PLAYER_FLAGS_HEADLIGHT)) {
        scalar_r = 1;
        scalar_g = 1;