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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "solution.hh"
#include "panel.hh"
#include "board.hh"
#include "tile.hh"
SolutionDisplay::SolutionDisplay(Game *game, Board *board)
: _game(game), _board(board),
_on(false), _pos(0), _alarm(this), _state(0), _time_scale(3)
{
}
/* State values:
0 initial pause 0.2 s
1 flash on 0.3 s
2 flash off 0.2 s
3 flash on 0.3 s
4 remove 0.1 s -> state 1
*/
bool
SolutionDisplay::turn_on(Panel *panel)
{
if (_game->solution().size()) {
int moves = 0;
while (_game->undo())
moves++;
_state = 0;
_pos = 0;
_on = true;
alarm();
_alarm.schedule(Moment::now() + delay(200000 + 25000*moves));
} else {
panel->bell();
_on = false;
}
return _on;
}
void
SolutionDisplay::real_turn_off()
{
if (_state == 2 || _state == 4) {
// Turn off the current highlighted move if necessary
Move cur_move = _game->solution()[_pos];
_board->unlight(cur_move.m1);
_board->unlight(cur_move.m2);
_board->flush();
}
_alarm.kill();
_on = false;
_time_scale = 3;
}
Moment
SolutionDisplay::delay(long ival) const
{
ival = ival * 3 / _time_scale;
return Moment(0, ival);
}
void
SolutionDisplay::change_speed(bool faster)
{
if (faster) {
if (_time_scale < 100)
_time_scale = 2 * _time_scale - 2;
} else {
if (_time_scale > 3)
_time_scale = (_time_scale + 2) / 2;
}
}
void
SolutionDisplay::alarm()
{
if (!_on) return;
Moment now = Moment::now();
Move cur_move = _game->solution()[_pos];
switch (_state) {
case 0:
_alarm.schedule(now + delay(200000));
_state = 1;
break;
case 1:
case 2:
case 3:
{
bool light = _state % 2;
_board->set_lit(cur_move.m1, light);
_board->set_lit(cur_move.m2, light);
_board->flush();
_alarm.schedule(now + delay(light ? 300000 : 200000));
_state++;
break;
}
case 4:
if (!cur_move.m1->open() || !cur_move.m2->open())
fatal_error("solution trying to remove non-free tiles!\n\
This is a bug in xmahjongg. Please send mail to eddietwo@mit.edu telling\n\
him so. Include the board number, which is %lu; the board\n\
layout (e.g., \"default\" or \"bridge\"); and xmahjongg's\n\
version number, which you get by running `xmahjongg --version'.",
(unsigned long)_game->board_number());
_game->move(cur_move.m1, cur_move.m2);
_pos++;
if (_pos >= _game->solution().size()) {
_on = false;
_time_scale = 3;
} else {
_alarm.schedule(now + delay(100000));
_state = 1;
}
break;
}
}
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