#include <string.h>
#include <math.h>

#include "player.h"
#include "network/tcpsocket.h"

unsigned int Player::_next_player_id = 0;

Player::Player(BettolaLib::Network::TCPSocket* socket) :
      _socket(socket),
      _has_udp_addr(false) {

  /* Try and set a player id to 0 now you audacious pr.ck! */
  if(_next_player_id == 0) {
    _next_player_id = 1;
  }
  _id = _next_player_id++;
  _x  = 0.0f; _y  = 0.0f;
  _vx = 0.0f; _vy = 0.0f;
  _speed = 200.0f; /* Must match client! */
  _last_processed_sequence = 0;
  memset(&_udp_addr, 0, sizeof(_udp_addr));
}

void Player::update(double dt) {
  _x += _vx * dt;
  _y += _vy * dt;
}

void Player::set_velocity_direction(float dir_x, float dir_y) {
  if(dir_x == 0.0f && dir_y == 0.0f) {
    _vx = _vy = 0.0f;
  } else {
    float mag = sqrt(dir_x * dir_x + dir_y * dir_y);
    _vx = (dir_x / mag) * _speed;
    _vy = (dir_y / mag) * _speed;
  }
}