Function MultiSendObject

Descent3/multi.cpp:5348–5445

Sends an object from the server to the client

// Sends an object from the server to the client
void MultiSendObject(object *obj, uint8_t announce, uint8_t demo_record) {
  MULTI_ASSERT_NOMESSAGE(Netgame.local_role == LR_SERVER);

  int count = 0;
  uint8_t data[MAX_GAME_DATA_SIZE];
  int size_offset;

  if (obj->type != OBJ_WEAPON)
    obj->flags |= OF_CLIENT_KNOWS;

  if (demo_record)
    obj->flags |= OF_CLIENTDEMOOBJECT;

  //	mprintf(0,"Telling clients to CREATE object %d type=%d\n",obj-Objects,obj->type);

  object *parent_obj = ObjGetUltimateParent(obj);

  size_offset = START_DATA(MP_OBJECT, data, &count, 1);

  uint32_t index = MultiGetMatchChecksum(obj->type, obj->id);

  // Send server object number
  MultiAddByte(announce, data, &count);
  MultiAddUshort(obj - Objects, data, &count);

  // Add parent
  if (obj->parent_handle == OBJECT_HANDLE_NONE)
    MultiAddUshort(65535, data, &count);
  else
    MultiAddUshort((obj->parent_handle & HANDLE_OBJNUM_MASK), data, &count); // Add parent

  MultiAddByte(obj->type, data, &count);
  MultiAddUint(index, data, &count);
  // If it's a ghost object (type==OBJ_DUMMY) send it's old type
  if (obj->type == OBJ_DUMMY)
    MultiAddByte(obj->dummy_type, data, &count);

  // Send position
  // memcpy (&data[count],&obj->pos,sizeof(vector));
  // count+=sizeof(vector);
  MultiAddVector(obj->pos, data, &count);

  // Send velocity
  // memcpy (&data[count],&obj->mtype.phys_info.velocity,sizeof(vector));
  // count+=sizeof(vector);
  MultiAddVector(obj->mtype.phys_info.velocity, data, &count);

  if (obj->type != OBJ_POWERUP && obj->type != OBJ_DUMMY) {
    // Send over orientation
    angvec angs;
    vm_ExtractAnglesFromMatrix(&angs, &obj->orient);

    MultiAddShort(angs.p, data, &count);
    MultiAddShort(angs.h, data, &count);
    MultiAddShort(angs.b, data, &count);
  }

  // Send movement type