#include <cmath>
#include "game.h"
#include "bettola/game/chunk.h"

void Game::update_player_chunks(void) {
  const int chunk_width   = BettolaLib::Game::CHUNK_WIDTH   - 1;
  const int chunk_height  = BettolaLib::Game::CHUNK_HEIGHT  - 1;

  for(Player* player : _players)  {
    const auto& pos = player->get_position();

    /* Calculate player's current chunk coords. */
    int chunk_x = floor(pos.x / chunk_width);
    int chunk_z = floor(pos.z / chunk_height);

    /* If they have moved into a new chunk, send them the new surrounding chunks. */
    if(chunk_z != player->get_chunk_x() || chunk_z != player->get_chunk_z()) {
      player->set_chunk_pos(chunk_x, chunk_z);
      _send_chunks_around(player, chunk_x, chunk_z);
    }
  }
}