/*
    game.h - evil global variables
    Copyright (C) 2006 Mark boyd
    
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be fun to play,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <deque>
#include <map>

#include "explosion.h"
#include "weapons.h"

class arena;
struct SDL_Surface;


//Useful class which means we can get bitmaps from filenames
//but we only hit the disk once per filename
class bitmap_pool
{
public:
  SDL_Surface *get_bitmap(const std::string &name);
  ~bitmap_pool();
private:
  typedef std::map<const std::string, SDL_Surface *> m_map_t;
  m_map_t m_map;
};


struct player_status
{
  int score;
  int money;
  int shield;
  int lives;
  bool in_shop;
  float energy;
  float max_energy;
  float invulnerability;
  
  bool operator==(const player_status &o)
  {
    return 
      score  == o.score &&
      money  == o.money &&
      shield == o.shield &&
      lives  == o.lives &&
      energy == o.energy &&
      max_energy == o.max_energy &&
      invulnerability == o.invulnerability;
    ;
  }
};


struct game
{
  struct 
  {
    bool up,left,right,tractor,fire;
  }
  m_key_flags;
  arena *m_arena;
  bitmap_pool m_bmp_pool;
  explosion_pool m_exp_pool;
  
  player_status m_player_status;
  std::vector<weapon_mount> m_weapon_mounts;
  engine_id m_engine;
  std::vector<system_id> m_systems;
  
  static game* the_game;
  

  
  game();
};