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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007-2009 Joshua Simmons <mud at majidejima dot com>
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "game.h"
#include "types.h"
#include "board.h"
#include "goban.h"
#include "sgf.h"
#include "sgf_output.h"
#include "sgf_parse.h"
#include "sgf_storage.h"
#include "display.h"
static void pre_game_setup (void);
char save_file[SAVE_FILE_LENGTH];
bool game_dirty = false; /* flag for unsaved changes */
bool autosave_dirty = false; /* flag for unsaved changes which haven't even
been autosaved yet */
int move_num = 0;
unsigned char current_player = BLACK;
struct header_t header; /* game metadata header info */
void
set_game_modified (void)
{
game_dirty = true;
autosave_dirty = true;
}
bool
load_game (const char *filename)
{
rb->memset (&header, 0, sizeof (header));
if (rb->strlen (filename) + 1 > SAVE_FILE_LENGTH)
{
DEBUGF ("file name too long\n");
return false;
}
if (!rb->file_exists (filename))
{
DEBUGF ("file doesn't exist!\n");
return false;
}
pre_game_setup ();
rb->strcpy (save_file, filename);
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost (true);
#endif
rb->splash (0, "Loading...");
bool parse_failed = false;
if (!parse_sgf (save_file))
{
rb->splash (3 * HZ, "Unable to parse SGF file. Will overwrite.");
parse_failed = true;
}
game_dirty = false;
autosave_dirty = false;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost (false);
#endif
if (header.handicap >= 2)
{
current_player = WHITE;
}
post_game_setup_sgf ();
if (!parse_failed)
{
draw_screen_display();
if (rb->strcmp(filename, DEFAULT_SAVE))
{
metadata_summary();
}
}
return true;
}
bool
save_game (const char *filename)
{
if (rb->strlen (filename) + 1 > SAVE_FILE_LENGTH)
{
return false;
}
/* We only have to do something if the game is dirty, or we're being
asked to save to a different location than we loaded from.
If the game isn't dirty and we're being asked to save to default,
we also don't have to do anything.*/
if (!game_dirty &&
(rb->strcmp (filename, save_file) == 0 ||
rb->strcmp (filename, DEFAULT_SAVE) == 0))
{
return true;
}
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost (true);
#endif
rb->splash (0, "Saving...");
if (output_sgf (filename))
{
/* saving only "cleans" the game if it's not a save to default,
* or if our save_file is actually default
*
* (so autosaves won't prevent legitimate saves to a Save As or
* loaded file)
*/
if (rb->strcmp (filename, DEFAULT_SAVE) ||
rb->strcmp (save_file, DEFAULT_SAVE) == 0)
{
game_dirty = false;
}
/* but saving anywhere means that autosave isn't dirty */
autosave_dirty = false;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost (false);
#endif
/* The save succeeded. Now, if we saved to an actual file (not to the
* DEFAULT_SAVE), then we should delete the DEFAULT_SAVE file because
* the changes stored in it are no longer unsaved.
*/
if (rb->strcmp (filename, DEFAULT_SAVE))
{
rb->remove(DEFAULT_SAVE);
}
return true;
}
else
{
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost (false);
#endif
return false;
}
}
static void
pre_game_setup (void)
{
rb->memset (&header, 0, sizeof (header));
clear_caches_sgf ();
free_tree_sgf ();
set_size_board (MAX_BOARD_SIZE, MAX_BOARD_SIZE);
clear_board ();
game_dirty = true;
move_num = 0;
play_mode = MODE_PLAY;
rb->strcpy (save_file, DEFAULT_SAVE);
header_marked = false;
}
bool
setup_game (int width, int height, int handicap, int komi)
{
pre_game_setup ();
if (!set_size_board (width, height))
{
return false;
}
clear_board ();
/* place handicap */
if (handicap >= 2)
{
current_player = WHITE;
}
else if (handicap < 0)
{
return false;
}
else
{
current_player = BLACK;
}
header.handicap = handicap;
setup_handicap_sgf ();
header.komi = komi;
post_game_setup_sgf ();
return true;
}
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