#ifndef CONSTANTS_H
#define CONSTANTS_H

namespace Constants {
  const struct
  {
    const unsigned int width;
    const unsigned int height;
  }
  field_size =  { 16, 16 },
  map_size   =  { 30, 30 },
  map_size_pixel = { field_size.width * map_size.width,
                     field_size.height * map_size.height };
  const unsigned int sprite_margin = 2;
  const unsigned int sprite_offset = 20;
  const unsigned int tick = 250; // ms
}

namespace Color
{
  enum Color
  {
    none  = 0,
    red   = (1 << 0),
    blue  = (1 << 1),
    green = (1 << 2),
    max   = (1 << 2),
  };
}

// constants for data transmission to client
namespace Transmission
{
  typedef unsigned int field_t;
  typedef unsigned int mask_t;

  const field_t none       = 0;
  const field_t block      = (1 << 3);
  const field_t point      = (1 << 4);
  const field_t bonuspoint = (1 << 5);
  const field_t pacman     = (1 << 6);

  const field_t direction_none  = 0;
  const field_t direction_left  = (1 << 7);
  const field_t direction_right = (1 << 8);
  const field_t direction_up    = (1 << 9);
  const field_t direction_down  = (1 << 10);

  const mask_t color_mask = Color::none | Color::red | Color::blue | Color::green;
  const mask_t type_mask = block | bonuspoint;
  const mask_t direction_mask = direction_none | direction_left | direction_right | direction_up | direction_down;

  typedef field_t** map_t;
}

#endif // CONSTANTS_H