lvc_read_packet

int
lvc_read_packet(lvc_client_t *client)
{
  for(;;) {
    //If not waiting on a packet, decode next packet length
    if (client->read_len < 0) {
      if (mcp_decode_varint(bbuf, &client->read_len) < 0) {
        //Varint decode failed, wait for more data
        client->read_len = -1;
        break;
      }
    }
    if (bbuf->rem < client->read_len) {
      //Not enough data to decode packet, wait for more data
      break;
    }
    //TODO: Encryption + Compression
    switch (client->state) {
      case MCP_HANDSHAKE_STATE:
        lvc_handle_handshake(client);
        break;
      case MCP_STATUS_STATE:
        lvc_handle_status(client);
        break;
      case MCP_LOGIN_STATE:
        lvc_handle_login(client);
        break;
      case MCP_PLAY_STATE:
        lvc_handle_play(client);
        break;
      default:
        printf("Entered state default, something is wrong, state: %d\n",
          client->state);
        break;
    }
    //Packet handled, reset read_len
    client->read_len = -1;
  }
}