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/*
game.h Game States
Copyright (c) 2004, 2005, 2006 Kriang Lerdsuwanakij
email: lerdsuwa@users.sourceforge.net
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 useful,
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef GAME_H
#define GAME_H
#include <pthread.h>
#include <pwd.h>
#include <sys/types.h>
#include <time.h>
#include <exception>
#include <stdexcept>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <string>
#include <deque>
#include <vector>
#include "gameinfo.h"
/*************************************************************************
AI variables
*************************************************************************/
extern pthread_t ai_thread;
extern pthread_attr_t ai_thread_attr;
extern bool ai_running; // Lock required for access
extern bool ai_tampered;
extern pthread_mutex_t input_lock;
extern volatile int input_pos; // Lock required for access
/*************************************************************************
Game states
*************************************************************************/
void new_game(game_info &g);
void new_game(game_info &g, const byte_board_info &b, int color = BLACK);
extern game_info cur_game_info;
extern std::deque<int> move_queue;
extern int time_player; // Time spent in a move
extern int clock_player; // Remaining clock for a player
extern int time_player_animate_delay;
/*************************************************************************
Configurations - Not front-end specific
*************************************************************************/
const int NUM_GAME_MODE = 6;
enum game_mode_type {
COMPUTER_NONE,
COMPUTER_BLACK,
COMPUTER_WHITE,
COMPUTER_BOTH,
COMPUTER_ALTERNATE,
COMPUTER_RANDOM
};
extern const char *game_mode_name[NUM_GAME_MODE];
struct level_info_type {
int midgame_depth;
int num_empty_winlossdraw;
int num_empty_exact;
};
const int NUM_LEVEL_INFO = 5;
extern level_info_type level_info[NUM_LEVEL_INFO];
const int LEVEL_CUSTOM = NUM_LEVEL_INFO;
const int LEVEL_CUSTOM_FILE = 99;
extern int computer_level;
extern level_info_type current_level_info;
extern const char *level_name[NUM_LEVEL_INFO+1];
const int NUM_OPENING_VAR = 6;
extern int opening_var;
extern const char *opening_var_name[NUM_OPENING_VAR];
extern bool log_opening; // Not user configurable yet
extern bool log_move;
extern bool animate_opening;
extern bool redo_ai_move;
const int NUM_ANIMATE_DELAY = 5;
extern int animate_delay;
extern std::string opening_name;
extern int opening_player;
extern std::deque<int> opening_move_queue;
const int NUM_START_GAME_MODE = 2;
enum start_game_mode_type {
START_GAME_INITIAL,
START_GAME_RANDOM
};
extern const char *start_game_mode_name[NUM_START_GAME_MODE];
extern start_game_mode_type start_game_mode;
extern int start_random_game_pieces;
extern bool show_toolbar;
extern bool show_pattern_evaluation;
extern bool show_game_history;
extern bool show_border;
extern bool hint_move;
extern bool show_last_move;
extern std::string theme_name;
extern byte_board_info *view_board_ptr;
enum view_mode_type {
VIEW_MODE_NONE,
VIEW_MODE_HISTORY,
VIEW_MODE_EDIT
};
extern view_mode_type view_mode;
extern int view_position;
extern int view_player;
void set_view_mode(view_mode_type);
/*************************************************************************
Other functions that have to be provided by front ends
*************************************************************************/
void load_pixmaps(bool);
void resize_board_widget();
void draw_board();
void computer_move();
void human_move();
void cancel_input();
void new_game();
/*************************************************************************
Game mode functions
*************************************************************************/
game_mode_type get_game_mode();
void set_game_mode(game_mode_type game_mode_);
const char *get_game_mode_string();
bool is_computer_player(int color);
void switch_computer_game_mode();
bool get_wait_player();
void maybe_set_ai_tampered();
int get_computer_move(double komi = 0.0);
int get_computer_winlossdraw_move(double komi = 0.0);
int get_computer_exact_move();
/*************************************************************************
Home directory functions
*************************************************************************/
const std::string &get_user_home_dir();
/*************************************************************************
Logging function
*************************************************************************/
void log_history(const std::string &filename,
const std::string &black_name,
const std::string &white_name);
/*************************************************************************
State update
*************************************************************************/
// Useful hint to manage move lists
enum update_state_type {
UPDATE_ALL, // Game changed
UPDATE_BACKWARD, // Moves removed
UPDATE_FORWARD, // Moves added
UPDATE_NONE // No moves, repaint board/status
};
typedef void (*update_func)(update_state_type, void *);
struct update_item {
update_func func;
void *data;
update_item(update_func f, void *d) : func(f), data(d) {}
};
class update_hook {
std::vector<update_item> vec;
public:
void update(update_state_type);
void update_except(update_state_type u, update_func f, void *d);
void add(update_func f, void *d);
void remove(update_func f, void *d);
};
extern update_hook update_move;
extern update_hook update_game_list;
/*************************************************************************
Utility functions
*************************************************************************/
const char *find_opening_name(byte_board_info *);
const char *find_opening_name();
#endif /* GAME_H */
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