You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
711 lines
14 KiB
711 lines
14 KiB
/* Yo Emacs, this -*- C++ -*-
|
|
|
|
Copyright (C) 1999-2001 Jens Hoefkens
|
|
jens@hoefkens.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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
$Id$
|
|
|
|
*/
|
|
|
|
#include "kbggnubg.moc"
|
|
#include "kbggnubg.h"
|
|
|
|
#include <tdeapplication.h>
|
|
#include <tdemessagebox.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <tqlayout.h>
|
|
#include <kiconloader.h>
|
|
#include <kstdaction.h>
|
|
#include <tqbuttongroup.h>
|
|
#include <tqcheckbox.h>
|
|
#include <tdeconfig.h>
|
|
#include <iostream>
|
|
#include <tdelocale.h>
|
|
#include <tdemainwindow.h>
|
|
#include <klineeditdlg.h>
|
|
#include <tqregexp.h>
|
|
#include <kregexp.h>
|
|
#include <knotifyclient.h>
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
|
|
#include "kbgstatus.h"
|
|
#include "kbgboard.h"
|
|
#include "version.h"
|
|
|
|
|
|
// == cube =====================================================================
|
|
|
|
/*
|
|
* Double the cube for the player that can double - asks player
|
|
*/
|
|
void KBgEngineGNU::cube()
|
|
{
|
|
handleCommand("double");
|
|
}
|
|
|
|
/*
|
|
* Double the cube for player w
|
|
*/
|
|
void KBgEngineGNU::doubleCube(const int w)
|
|
{
|
|
dummy = w; // avoid compiler warning
|
|
cube();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void KBgEngineGNU::handleLine(const TQString &l)
|
|
{
|
|
if (l.isEmpty())
|
|
return;
|
|
|
|
TQString line(l);
|
|
|
|
/*
|
|
* Start of a new game/match
|
|
*/
|
|
if (line.contains(TQRegExp("^gnubg rolls [1-6], .* rolls [1-6]\\."))) {
|
|
KRegExp e("^gnubg rolls ([1-6]), .* rolls ([1-6])\\.");
|
|
e.match(line.latin1());
|
|
if (int r = strcmp(e.group(1), e.group(2)))
|
|
turn = (r < 0) ? uRoll : tRoll;
|
|
}
|
|
|
|
/*
|
|
* Bug fixes for older versions of GNUBG - to be removed
|
|
*/
|
|
if (line.contains(TQRegExp("^.* cannot move\\..+$"))) {
|
|
KRegExp e("(^.* cannot move.)(.*$)");
|
|
e.match(line.latin1());
|
|
handleLine(e.group(1));
|
|
handleLine(e.group(2));
|
|
return;
|
|
}
|
|
if (line.contains(TQRegExp("^Are you sure you want to start a new game, and discard the one in progress\\?"))) {
|
|
KRegExp e("(^Are you sure you want to start a new game, and discard the one in progress\\? )(.+$)");
|
|
e.match(line.latin1());
|
|
handleLine(e.group(1));
|
|
handleLine(e.group(2));
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Cube handling
|
|
*/
|
|
if (line.contains(TQRegExp("^gnubg accepts and immediately redoubles to [0-9]+\\.$"))) {
|
|
|
|
// redoubles mess up the game counter "turn"
|
|
|
|
//KBgStatus st(board);
|
|
//st.setCube(32, BOTH);
|
|
//emit newState(st);
|
|
|
|
}
|
|
if (line.contains(TQRegExp("^gnubg doubles\\.$"))) {
|
|
|
|
// TODO: we need some generic class for this. the class
|
|
// can be shared between all engines
|
|
|
|
#if 0
|
|
KBgStatus st(board);
|
|
|
|
int ret = KMessageBox::warningYesNoCancel
|
|
(0, i18n("gnubg doubles the cube to %1.").arg(2*st.cube(THEM)),
|
|
i18n("gnubg doubles"),
|
|
i18n("&Accept"), i18n("Re&double"), i18n("&Reject"), true);
|
|
|
|
switch (ret) {
|
|
|
|
case KMessageBox::Yes:
|
|
handleCommand("accept");
|
|
break;
|
|
|
|
case KMessageBox::No:
|
|
handleCommand("redouble");
|
|
break;
|
|
|
|
case KMessageBox::Cancel:
|
|
handleCommand("reject");
|
|
break;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Ignore the following messages
|
|
*/
|
|
if (line.contains(TQRegExp("^TTY boards will be given in raw format"))) {
|
|
line = " ";
|
|
}
|
|
|
|
/*
|
|
* Board messages
|
|
*/
|
|
if (line.contains(TQRegExp("^board:"))) {
|
|
|
|
KBgStatus st(line);
|
|
|
|
/*
|
|
* Do preliminary analysis of board
|
|
*/
|
|
if (st.doubled()) {
|
|
--turn;
|
|
return;
|
|
}
|
|
if (strcmp(board.latin1(),line.latin1()))
|
|
++turn %= maxTurn;
|
|
board = line;
|
|
|
|
/*
|
|
* Act according to the current state in the move/roll cycle
|
|
*/
|
|
switch (turn) {
|
|
|
|
case uRoll:
|
|
|
|
if (st.cube() > 0) {
|
|
emit infoText(i18n("Please roll or double."));
|
|
KNotifyClient::event("roll or double");
|
|
} else {
|
|
emit infoText(i18n("Please roll."));
|
|
KNotifyClient::event("roll");
|
|
}
|
|
|
|
emit allowCommand(Roll, true);
|
|
emit allowCommand(Cube, true);
|
|
break;
|
|
|
|
case uMove:
|
|
st.setDice(THEM, 0, 0);
|
|
st.setDice(THEM, 1, 0);
|
|
emit infoText(i18n("You roll %1 and %2.").arg(st.dice(US, 0)).arg(st.dice(US, 1)));
|
|
switch (st.moves()) {
|
|
case 0:
|
|
// get a message
|
|
break;
|
|
case 1:
|
|
emit infoText(i18n("Please move 1 piece."));
|
|
break;
|
|
default:
|
|
emit infoText(i18n("Please move %1 pieces.").arg(st.moves()));
|
|
break;
|
|
}
|
|
emit allowCommand(Roll, false);
|
|
break;
|
|
|
|
case tRoll:
|
|
break;
|
|
|
|
case tMove:
|
|
st.setDice(US, 0, 0);
|
|
st.setDice(US, 1, 0);
|
|
emit infoText(i18n("gnubg rolls %1 and %2.").arg(st.dice(THEM, 0)).arg(st.dice(THEM, 1)));
|
|
if (st.moves() == 0)
|
|
emit infoText(i18n("gnubg cannot move."));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
/*
|
|
* Bookkeeping
|
|
*/
|
|
undoCounter = 0;
|
|
toMove = st.moves();
|
|
emit allowMoving(st.turn() == US);
|
|
emit newState(st);
|
|
|
|
emit statText(i18n("%1 vs. %2").arg(st.player(US)).arg(st.player(THEM)));
|
|
|
|
emit allowCommand(Load, true );
|
|
emit allowCommand(Undo, false);
|
|
emit allowCommand(Redo, false);
|
|
emit allowCommand(Done, false);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Show the line...
|
|
*/
|
|
line.replace(TQRegExp(" "), " ");
|
|
if (!line.isEmpty())
|
|
emit infoText(line);
|
|
}
|
|
|
|
|
|
/*
|
|
* Handle textual commands. All commands are passed to gnubg.
|
|
*/
|
|
void KBgEngineGNU::handleCommand(const TQString& cmd)
|
|
{
|
|
cmdList += cmd;
|
|
nextCommand();
|
|
}
|
|
|
|
|
|
|
|
// == start and init games =====================================================
|
|
|
|
/*
|
|
* Start a new game.
|
|
*/
|
|
void KBgEngineGNU::newGame()
|
|
{
|
|
/*
|
|
* If there is a game running we warn the user first
|
|
*/
|
|
if (gameRunning && (KMessageBox::warningYesNo((TQWidget *)parent(),
|
|
i18n("A game is currently in progress. "
|
|
"Starting a new one will terminate it."),
|
|
TQString(), i18n("Start New Game"), i18n("Continue Old Game"))
|
|
== KMessageBox::No))
|
|
return;
|
|
|
|
/*
|
|
* Start new game
|
|
*/
|
|
handleCommand("new game");
|
|
if (gameRunning)
|
|
handleCommand("yes");
|
|
|
|
gameRunning = true;
|
|
|
|
emit infoText(i18n("Starting a new game."));
|
|
}
|
|
|
|
|
|
|
|
// == various slots & functions ================================================
|
|
|
|
/*
|
|
* Quitting is fine at any time
|
|
*/
|
|
bool KBgEngineGNU::queryClose()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Quitting is fine at any time
|
|
*/
|
|
bool KBgEngineGNU::queryExit()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Load the last known sane state of the board
|
|
*/
|
|
void KBgEngineGNU::load()
|
|
{
|
|
handleCommand("show board");
|
|
}
|
|
|
|
/*
|
|
* Store if cmd is allowed or not
|
|
*/
|
|
void KBgEngineGNU::setAllowed(int cmd, bool f)
|
|
{
|
|
switch (cmd) {
|
|
case Roll:
|
|
rollingAllowed = f;
|
|
return;
|
|
case Undo:
|
|
undoPossible = f;
|
|
return;
|
|
case Cube:
|
|
doublePossible = f;
|
|
return;
|
|
case Done:
|
|
donePossible = f;
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// == configuration handling ===================================================
|
|
|
|
void KBgEngineGNU::setupOk()
|
|
{
|
|
// nothing yet
|
|
}
|
|
|
|
void KBgEngineGNU::setupCancel()
|
|
{
|
|
// nothing yet
|
|
}
|
|
|
|
void KBgEngineGNU::setupDefault()
|
|
{
|
|
// nothing yet
|
|
}
|
|
|
|
void KBgEngineGNU::getSetupPages(KDialogBase *nb)
|
|
{
|
|
/*
|
|
* Main Widget
|
|
*/
|
|
TQVBox *w = nb->addVBoxPage(i18n("GNU Engine"), i18n("Here you can configure the GNU backgammon engine"),
|
|
kapp->iconLoader()->loadIcon(PROG_NAME "_engine", TDEIcon::Desktop));
|
|
}
|
|
|
|
/*
|
|
* Restore settings
|
|
*/
|
|
void KBgEngineGNU::readConfig()
|
|
{
|
|
TDEConfig* config = kapp->config();
|
|
config->setGroup("gnu engine");
|
|
|
|
// nothing yet
|
|
}
|
|
|
|
/*
|
|
* Save the engine specific settings
|
|
*/
|
|
void KBgEngineGNU::saveConfig()
|
|
{
|
|
TDEConfig* config = kapp->config();
|
|
config->setGroup("gnu engine");
|
|
|
|
// nothing yet
|
|
}
|
|
|
|
|
|
|
|
// *****************************************************************************
|
|
// *****************************************************************************
|
|
// *****************************************************************************
|
|
// *****************************************************************************
|
|
// *****************************************************************************
|
|
// *****************************************************************************
|
|
|
|
|
|
|
|
|
|
// == constructor, destructor and other ========================================
|
|
|
|
/*
|
|
* Constructor
|
|
*/
|
|
KBgEngineGNU::KBgEngineGNU(TQWidget *parent, TQString *name, TQPopupMenu *pmenu)
|
|
: KBgEngine(parent, name, pmenu)
|
|
{
|
|
// obsolete
|
|
nameUS = "US";
|
|
nameTHEM = "THEM";
|
|
random.setSeed(getpid()*time(NULL));
|
|
|
|
/*
|
|
* internal statue variables
|
|
*/
|
|
rollingAllowed = undoPossible = gameRunning = donePossible = false;
|
|
connect(this, TQT_SIGNAL(allowCommand(int, bool)), this, TQT_SLOT(setAllowed(int, bool)));
|
|
|
|
/*
|
|
* Setup of menu
|
|
*/
|
|
resAction = new TDEAction(i18n("&Restart GNU Backgammon"), 0, this, TQT_SLOT(startGNU()), this);
|
|
resAction->setEnabled(false); resAction->plug(menu);
|
|
|
|
/*
|
|
* Restore last stored settings
|
|
*/
|
|
readConfig();
|
|
}
|
|
|
|
/*
|
|
* Destructor. Kill the child process and that's it.
|
|
*/
|
|
KBgEngineGNU::~KBgEngineGNU()
|
|
{
|
|
gnubg.kill();
|
|
}
|
|
|
|
|
|
// == start, restart, termination of gnubg =====================================
|
|
|
|
/*
|
|
* Start the GNU Backgammon process in the background and set up
|
|
* some communication links.
|
|
*/
|
|
void KBgEngineGNU::start()
|
|
{
|
|
/*
|
|
* Will be started later
|
|
*/
|
|
cmdTimer = new TQTimer(this);
|
|
connect(cmdTimer, TQT_SIGNAL(timeout()), TQT_SLOT(nextCommand()) );
|
|
|
|
emit infoText(i18n("This is experimental code which currently requires a specially "
|
|
"patched version of GNU Backgammon.<br/><br/>"));
|
|
|
|
/*
|
|
* Initialize variables
|
|
*/
|
|
partline = board = "";
|
|
|
|
/*
|
|
* Start the process - this requires that gnubg is in the PATH
|
|
*/
|
|
gnubg << "gnubg" << "--tty";
|
|
|
|
connect(&gnubg, TQT_SIGNAL(processExited(TDEProcess *)), this, TQT_SLOT(gnubgExit(TDEProcess *)));
|
|
connect(&gnubg, TQT_SIGNAL(receivedStderr(TDEProcess *, char *, int)),
|
|
this, TQT_SLOT(receiveData(TDEProcess *, char *, int)));
|
|
connect(&gnubg, TQT_SIGNAL(receivedStdout(TDEProcess *, char *, int)),
|
|
this, TQT_SLOT(receiveData(TDEProcess *, char *, int)));
|
|
connect(&gnubg, TQT_SIGNAL(wroteStdin(TDEProcess *)), this, TQT_SLOT(wroteStdin(TDEProcess *)));
|
|
|
|
startGNU();
|
|
}
|
|
|
|
/*
|
|
* Actually start the background process.
|
|
*/
|
|
void KBgEngineGNU::startGNU()
|
|
{
|
|
|
|
resAction->setEnabled(false);
|
|
|
|
if (!gnubg.start(TDEProcess::NotifyOnExit, TDEProcess::All))
|
|
KMessageBox::information((TQWidget *)parent(),
|
|
i18n("Could not start the GNU Backgammon process.\n"
|
|
"Make sure the program is in your PATH and is "
|
|
"called \"gnubg\".\n"
|
|
"Make sure that your copy is at least version 0.10"));
|
|
|
|
/*
|
|
* Set required gnubg options
|
|
*/
|
|
handleCommand("set output rawboard on");
|
|
}
|
|
|
|
/*
|
|
* The gnubg process has died. Stop all user activity and allow a restart.
|
|
*/
|
|
void KBgEngineGNU::gnubgExit(TDEProcess *proc)
|
|
{
|
|
ct->stop();
|
|
|
|
cmdTimer->stop();
|
|
|
|
emit allowCommand(Undo, false);
|
|
emit allowCommand(Roll, false);
|
|
emit allowCommand(Done, false);
|
|
emit allowCommand(Cube, false);
|
|
emit allowCommand(Load, false);
|
|
|
|
emit allowMoving(false);
|
|
|
|
emit infoText(TQString("<br/><font color=\"red\">") + i18n("The GNU Backgammon process (%1) has exited. ")
|
|
.arg(proc->pid()) + "</font><br/>");
|
|
|
|
resAction->setEnabled(true);
|
|
}
|
|
|
|
|
|
// == communication callbacks with GNU bg ======================================
|
|
|
|
/*
|
|
* Last command has been sent. Try to send pending ones.
|
|
*/
|
|
void KBgEngineGNU::wroteStdin(TDEProcess *proc)
|
|
{
|
|
if (!proc->isRunning())
|
|
return;
|
|
nextCommand();
|
|
}
|
|
|
|
/*
|
|
* Try to send the next command from the command list to gnubg.
|
|
* If it fails, make sure we call ourselves again.
|
|
*/
|
|
void KBgEngineGNU::nextCommand()
|
|
{
|
|
if (!gnubg.isRunning())
|
|
return;
|
|
|
|
for (TQStringList::Iterator it = cmdList.begin(); it != cmdList.end(); ++it) {
|
|
TQString s = (*it) + "\n";
|
|
if (!gnubg.writeStdin(s.latin1(), strlen(s.latin1()))) {
|
|
cmdTimer->start(250, true);
|
|
cmdList.remove(TQString());
|
|
return;
|
|
}
|
|
(*it) = TQString();
|
|
}
|
|
cmdList.remove(TQString());
|
|
cmdTimer->stop();
|
|
}
|
|
|
|
/*
|
|
* Get data from GNU Backgammon and process them. Note that we may have
|
|
* to buffer the last line and wait for the closing newline...
|
|
*/
|
|
void KBgEngineGNU::receiveData(TDEProcess *proc, char *buffer, int buflen)
|
|
{
|
|
if (!proc->isRunning())
|
|
return;
|
|
|
|
char *buf = new char[buflen+1];
|
|
|
|
memcpy(buf, buffer, buflen);
|
|
buf[buflen] = '\0';
|
|
|
|
TQStringList l(TQStringList::split('\n', buf, true));
|
|
|
|
/*
|
|
* Restore partial lines from the previous time
|
|
*/
|
|
l.first() = partline + l.first();
|
|
partline = "";
|
|
if (buf[buflen-1] != '\n') {
|
|
partline = l.last();
|
|
l.remove(partline);
|
|
}
|
|
|
|
delete[] buf;
|
|
|
|
/*
|
|
* Handle the information from gnubg
|
|
*/
|
|
for (TQStringList::Iterator it = l.begin(); it != l.end(); ++it)
|
|
handleLine(*it);
|
|
}
|
|
|
|
|
|
// == moving ===================================================================
|
|
|
|
/*
|
|
* Finish the last move - called by the timer and directly by the user
|
|
*/
|
|
void KBgEngineGNU::done()
|
|
{
|
|
ct->stop();
|
|
|
|
emit allowMoving(false);
|
|
|
|
emit allowCommand(Done, false);
|
|
emit allowCommand(Undo, false);
|
|
emit allowCommand(Redo, false);
|
|
|
|
// Transform the string to FIBS format
|
|
lastmove.replace(0, 2, "move ");
|
|
lastmove.replace(TQRegExp("\\+"), " ");
|
|
lastmove.replace(TQRegExp("\\-"), " ");
|
|
|
|
// sent it to the server
|
|
handleCommand(lastmove);
|
|
}
|
|
|
|
/*
|
|
* Undo the last move
|
|
*/
|
|
void KBgEngineGNU::undo()
|
|
{
|
|
ct->stop();
|
|
|
|
redoPossible = true;
|
|
++undoCounter;
|
|
|
|
emit allowMoving(true);
|
|
|
|
emit allowCommand(Done, false);
|
|
emit allowCommand(Redo, true);
|
|
|
|
emit undoMove();
|
|
}
|
|
|
|
/*
|
|
* Redo the last move
|
|
*/
|
|
void KBgEngineGNU::redo()
|
|
{
|
|
--undoCounter;
|
|
emit redoMove();
|
|
}
|
|
|
|
/*
|
|
* Take the move string and make the changes on the working copy
|
|
* of the state.
|
|
*/
|
|
void KBgEngineGNU::handleMove(TQString *s)
|
|
{
|
|
lastmove = *s;
|
|
|
|
int index = 0;
|
|
TQString t = s->mid(index, s->find(' ', index));
|
|
index += 1 + t.length();
|
|
int moves = t.toInt();
|
|
|
|
/*
|
|
* Allow undo and possibly start the commit timer
|
|
*/
|
|
redoPossible &= ((moves < toMove) && (undoCounter > 0));
|
|
|
|
emit allowCommand(Undo, moves > 0);
|
|
emit allowCommand(Redo, redoPossible);
|
|
emit allowCommand(Done, moves == toMove);
|
|
|
|
if (moves == toMove && cl >= 0) {
|
|
emit allowMoving(false);
|
|
ct->start(cl, true);
|
|
}
|
|
}
|
|
|
|
|
|
// == dice & rolling ===========================================================
|
|
|
|
/*
|
|
* Roll random dice for the player whose turn it is. We can ignore the
|
|
* value of w, since we have the turn value.
|
|
*/
|
|
void KBgEngineGNU::roll()
|
|
{
|
|
if (turn == uRoll)
|
|
handleCommand("roll");
|
|
}
|
|
void KBgEngineGNU::rollDice(const int w)
|
|
{
|
|
roll();
|
|
}
|
|
|
|
|
|
|
|
// EOF
|