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tdegames/kpat/freecell.cpp

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/*---------------------------------------------------------------------------
freecell.cpp implements a patience card game
Copyright (C) 1997 Rodolfo Borges
(C) 2000 Stephan Kulow
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation.
*
* This file is provided AS IS with no warranties of any kind. The author
* shall have no liability with respect to the infringement of copyrights,
* trade secrets or any patents by this file or any part thereof. In no
* event will the author be liable for any lost revenue or profits or
* other special, indirect and consequential damages.
---------------------------------------------------------------------------*/
#include "freecell.h"
#include <klocale.h>
#include "deck.h"
#include <assert.h>
#include <kdebug.h>
#include <stdio.h>
#include <stdlib.h>
#include <qtimer.h>
#include "cardmaps.h"
#include "freecell-solver/fcs_user.h"
#include "freecell-solver/fcs_cl.h"
const int CHUNKSIZE = 100;
void FreecellPile::moveCards(CardList &c, Pile *to)
{
if (c.count() == 1) {
Pile::moveCards(c, to);
return;
}
FreecellBase *b = dynamic_cast<FreecellBase*>(dealer());
if (b) {
b->moveCards(c, this, to);
}
}
//-------------------------------------------------------------------------//
FreecellBase::FreecellBase( int decks, int stores, int freecells, int fill, bool unlimit,
KMainWindow* parent, const char* name)
: Dealer(parent,name),
solver_instance(0), es_filling(fill), solver_ret(FCS_STATE_NOT_BEGAN_YET),
unlimited_move(unlimit)
{
deck = Deck::new_deck(this, decks);
deck->hide();
kdDebug(11111) << "cards " << deck->cards().count() << endl;
Pile *t;
for (int i = 0; i < stores; i++) {
FreecellPile *p = new FreecellPile(1 + i, this);
store.append(p);
p->setAddFlags(Pile::addSpread | Pile::several);
p->setRemoveFlags(Pile::several);
p->setCheckIndex(0);
}
for (int i = 0; i < freecells; i++)
{
t = new Pile (1 + stores +i, this);
freecell.append(t);
t->setType(Pile::FreeCell);
}
for (int i = 0; i < decks * 4; i++)
{
t = new Pile(1 + stores + freecells +i, this);
target.append(t);
t->setType(Pile::KlondikeTarget);
// COOLO: I'm still not too sure about that t->setRemoveFlags(Pile::Default);
}
setActions(Dealer::Demo | Dealer::Hint);
}
FreecellBase::~FreecellBase()
{
if (solver_instance)
{
freecell_solver_user_free(solver_instance);
solver_instance = NULL;
}
}
//-------------------------------------------------------------------------//
void FreecellBase::restart()
{
freeSolution();
deck->collectAndShuffle();
deal();
}
QString suitToString(Card::Suit s) {
switch (s) {
case Card::Clubs:
return "C";
case Card::Hearts:
return "H";
case Card::Diamonds:
return "D";
case Card::Spades:
return "S";
}
return QString::null;
}
QString rankToString(Card::Rank r)
{
switch (r) {
case Card::King:
return "K";
case Card::Ace:
return "A";
case Card::Jack:
return "J";
case Card::Queen:
return "Q";
default:
return QString::number(r);
}
}
int getDeck(Card::Suit suit)
{
switch (suit) {
case Card::Hearts:
return 0;
case Card::Spades:
return 1;
case Card::Diamonds:
return 2;
case Card::Clubs:
return 3;
}
return 0;
}
static const char * freecell_solver_cmd_line_args[280] =
{
"--method", "soft-dfs", "-to", "0123456789", "-step",
"500", "--st-name", "1", "-nst", "--method",
"soft-dfs", "-to", "0123467", "-step", "500",
"--st-name", "2", "-nst", "--method", "random-dfs",
"-seed", "2", "-to", "0[01][23456789]", "-step",
"500", "--st-name", "3", "-nst", "--method",
"random-dfs", "-seed", "1", "-to", "0[0123456789]",
"-step", "500", "--st-name", "4", "-nst", "--method",
"random-dfs", "-seed", "3", "-to", "0[01][23467]",
"-step", "500", "--st-name", "5", "-nst", "--method",
"random-dfs", "-seed", "4", "-to", "0[0123467]",
"-step", "500", "--st-name", "9", "-nst", "--method",
"random-dfs", "-to", "[01][23456789]", "-seed", "8",
"-step", "500", "--st-name", "10", "-nst",
"--method", "random-dfs", "-to", "[01][23456789]",
"-seed", "268", "-step", "500", "--st-name", "12",
"-nst", "--method", "a-star", "-asw",
"0.2,0.3,0.5,0,0", "-step", "500", "--st-name", "16",
"-nst", "--method", "a-star", "-to", "0123467",
"-asw", "0.5,0,0.3,0,0", "-step", "500", "--st-name",
"18", "-nst", "--method", "soft-dfs", "-to",
"0126394875", "-step", "500", "--st-name", "19",
"--prelude",
"350@2,350@5,350@9,350@12,350@2,350@10,350@3,350@9,350@5,350@18,350@2,350@5,350@4,350@10,350@4,350@12,1050@9,700@18,350@10,350@5,350@2,350@10,1050@16,350@2,700@4,350@10,1050@2,1400@3,350@18,1750@5,350@16,350@18,700@4,1050@12,2450@5,1400@18,1050@2,1400@10,6300@1,4900@12,8050@18",
"-ni", "--method", "soft-dfs", "-to", "01ABCDE",
"-step", "500", "--st-name", "0", "-nst", "--method",
"random-dfs", "-to", "[01][ABCDE]", "-seed", "1",
"-step", "500", "--st-name", "1", "-nst", "--method",
"random-dfs", "-to", "[01][ABCDE]", "-seed", "2",
"-step", "500", "--st-name", "2", "-nst", "--method",
"random-dfs", "-to", "[01][ABCDE]", "-seed", "3",
"-step", "500", "--st-name", "3", "-nst", "--method",
"random-dfs", "-to", "01[ABCDE]", "-seed", "268",
"-step", "500", "--st-name", "4", "-nst", "--method",
"a-star", "-to", "01ABCDE", "-step", "500",
"--st-name", "5", "-nst", "--method", "a-star",
"-to", "01ABCDE", "-asw", "0.2,0.3,0.5,0,0", "-step",
"500", "--st-name", "6", "-nst", "--method",
"a-star", "-to", "01ABCDE", "-asw", "0.5,0,0.5,0,0",
"-step", "500", "--st-name", "7", "-nst", "--method",
"random-dfs", "-to", "[01][ABD][CE]", "-seed", "1900",
"-step", "500", "--st-name", "8", "-nst", "--method",
"random-dfs", "-to", "[01][ABCDE]", "-seed", "192",
"-step", "500", "--st-name", "9", "-nst", "--method",
"random-dfs", "-to", "[01ABCDE]", "-seed", "1977",
"-step", "500", "--st-name", "10", "-nst",
"--method", "random-dfs", "-to", "[01ABCDE]", "-seed",
"24", "-step", "500", "--st-name", "11", "-nst",
"--method", "soft-dfs", "-to", "01ABDCE", "-step",
"500", "--st-name", "12", "-nst", "--method",
"soft-dfs", "-to", "ABC01DE", "-step", "500",
"--st-name", "13", "-nst", "--method", "soft-dfs",
"-to", "01EABCD", "-step", "500", "--st-name", "14",
"-nst", "--method", "soft-dfs", "-to", "01BDAEC",
"-step", "500", "--st-name", "15", "--prelude",
"1000@0,1000@3,1000@0,1000@9,1000@4,1000@9,1000@3,1000@4,2000@2,1000@0,2000@1,1000@14,2000@11,1000@14,1000@3,1000@11,1000@2,1000@0,2000@4,2000@10,1000@0,1000@2,2000@10,1000@0,2000@11,2000@1,1000@10,1000@2,1000@10,2000@0,1000@9,1000@1,1000@2,1000@14,3000@8,1000@2,1000@14,1000@1,1000@10,3000@6,2000@4,1000@2,2000@0,1000@2,1000@11,2000@6,1000@0,5000@1,1000@0,2000@1,1000@2,3000@3,1000@10,1000@14,2000@6,1000@0,1000@2,2000@11,6000@8,8000@9,3000@1,2000@10,2000@14,3000@15,4000@0,1000@8,1000@10,1000@14,7000@0,14000@2,6000@3,7000@4,1000@8,4000@9,2000@15,2000@6,4000@3,2000@4,3000@15,2000@0,6000@1,2000@4,4000@6,4000@9,4000@14,7000@8,3000@0,3000@1,5000@2,3000@3,4000@9,8000@10,9000@3,5000@8,7000@11,11000@12,12000@0,8000@3,11000@9,9000@15,7000@2,12000@8,16000@5,8000@13,18000@0,9000@15,12000@10,16000@0,14000@3,16000@9,26000@4,23000@3,42000@6,22000@8,27000@10,38000@7,41000@0,42000@3,84000@13,61000@15,159000@5,90000@9"
};
void FreecellBase::findSolution()
{
kdDebug(11111) << "findSolution\n";
QString output = solverFormat();
kdDebug(11111) << output << endl;
int ret;
/* If solver_instance was not initialized yet - initialize it */
if (! solver_instance)
{
solver_instance = freecell_solver_user_alloc();
char * error_string;
int error_arg;
char * known_parameters[1] = {NULL};
ret = freecell_solver_user_cmd_line_parse_args(
solver_instance,
sizeof(freecell_solver_cmd_line_args)/sizeof(freecell_solver_cmd_line_args[0]),
freecell_solver_cmd_line_args,
0,
known_parameters,
NULL,
NULL,
&error_string,
&error_arg
);
assert(!ret);
}
/*
* I'm using the more standard interface instead of the depracated
* user_set_game one. I'd like that each function will have its
* own dedicated purpose.
*
* Shlomi Fish
* */
#if 0
ret = freecell_solver_user_set_game(solver_instance,
freecell.count(),
store.count(),
deck->decksNum(),
FCS_SEQ_BUILT_BY_ALTERNATE_COLOR,
unlimited_move,
es_filling);
assert(!ret);
#else
freecell_solver_user_set_num_freecells(solver_instance,freecell.count());
freecell_solver_user_set_num_stacks(solver_instance,store.count());
freecell_solver_user_set_num_decks(solver_instance,deck->decksNum());
freecell_solver_user_set_sequences_are_built_by_type(solver_instance, FCS_SEQ_BUILT_BY_ALTERNATE_COLOR);
freecell_solver_user_set_sequence_move(solver_instance, unlimited_move);
freecell_solver_user_set_empty_stacks_filled_by(solver_instance, es_filling);
#endif
freecell_solver_user_limit_iterations(solver_instance, CHUNKSIZE);
solver_ret = freecell_solver_user_solve_board(solver_instance,
output.latin1());
resumeSolution();
}
void FreecellBase::resumeSolution()
{
if (!solver_instance)
return;
emit gameInfo(i18n("%1 tries - depth %2")
.arg(freecell_solver_user_get_num_times(solver_instance))
.arg(freecell_solver_user_get_current_depth(solver_instance)));
if (solver_ret == FCS_STATE_WAS_SOLVED)
{
emit gameInfo(i18n("solved after %1 tries").
arg(freecell_solver_user_get_num_times(
solver_instance)));
kdDebug(11111) << "solved\n";
Dealer::demo();
return;
}
if (solver_ret == FCS_STATE_IS_NOT_SOLVEABLE) {
int moves = freecell_solver_user_get_num_times(solver_instance);
freeSolution();
emit gameInfo(i18n("unsolved after %1 moves")
.arg(moves));
stopDemo();
return;
}
unsigned int max_iters = freecell_solver_user_get_limit_iterations(
solver_instance) + CHUNKSIZE;
freecell_solver_user_limit_iterations(solver_instance,
max_iters);
if (max_iters > 120000) {
solver_ret = FCS_STATE_IS_NOT_SOLVEABLE;
resumeSolution();
return;
}
solver_ret = freecell_solver_user_resume_solution(solver_instance);
QTimer::singleShot(0, this, SLOT(resumeSolution()));
}
MoveHint *FreecellBase::translateMove(void *m) {
fcs_move_t move = *(static_cast<fcs_move_t *>(m));
uint cards = fcs_move_get_num_cards_in_seq(move);
Pile *from = 0;
Pile *to = 0;
switch(fcs_move_get_type(move))
{
case FCS_MOVE_TYPE_STACK_TO_STACK:
from = store[fcs_move_get_src_stack(move)];
to = store[fcs_move_get_dest_stack(move)];
break;
case FCS_MOVE_TYPE_FREECELL_TO_STACK:
from = freecell[fcs_move_get_src_freecell(move)];
to = store[fcs_move_get_dest_stack(move)];
cards = 1;
break;
case FCS_MOVE_TYPE_FREECELL_TO_FREECELL:
from = freecell[fcs_move_get_src_freecell(move)];
to = freecell[fcs_move_get_dest_freecell(move)];
cards = 1;
break;
case FCS_MOVE_TYPE_STACK_TO_FREECELL:
from = store[fcs_move_get_src_stack(move)];
to = freecell[fcs_move_get_dest_freecell(move)];
cards = 1;
break;
case FCS_MOVE_TYPE_STACK_TO_FOUNDATION:
from = store[fcs_move_get_src_stack(move)];
cards = 1;
to = 0;
break;
case FCS_MOVE_TYPE_FREECELL_TO_FOUNDATION:
from = freecell[fcs_move_get_src_freecell(move)];
cards = 1;
to = 0;
}
assert(from);
assert(cards <= from->cards().count());
assert(to || cards == 1);
Card *c = from->cards()[from->cards().count() - cards];
if (!to)
to = findTarget(c);
assert(to);
return new MoveHint(c, to);
}
QString FreecellBase::solverFormat() const
{
QString output;
QString tmp;
for (uint i = 0; i < target.count(); i++) {
if (target[i]->isEmpty())
continue;
tmp += suitToString(target[i]->top()->suit()) + "-" + rankToString(target[i]->top()->rank()) + " ";
}
if (!tmp.isEmpty())
output += QString::fromLatin1("Foundations: %1\n").arg(tmp);
tmp.truncate(0);
for (uint i = 0; i < freecell.count(); i++) {
if (freecell[i]->isEmpty())
tmp += "- ";
else
tmp += rankToString(freecell[i]->top()->rank()) + suitToString(freecell[i]->top()->suit()) + " ";
}
if (!tmp.isEmpty())
output += QString::fromLatin1("Freecells: %1\n").arg(tmp);
for (uint i = 0; i < store.count(); i++)
{
CardList cards = store[i]->cards();
for (CardList::ConstIterator it = cards.begin(); it != cards.end(); ++it)
output += rankToString((*it)->rank()) + suitToString((*it)->suit()) + " ";
output += "\n";
}
return output;
}
// Idea stolen from klondike.cpp
//
// This function returns true when it is certain that the card t is no longer
// needed on any of the play piles.
//
// To determine wether a card is no longer needed on any of the play piles we
// obviously must know what a card can be used for there. According to the
// rules a card can be used to store another card with 1 less unit of value
// and opposite color. This is the only thing that a card can be used for
// there. Therefore the cards with lowest value (1) are useless there (base
// case). The other cards each have 2 cards that can be stored on them, let us
// call those 2 cards *depending cards*.
//
// The object of the game is to put all cards on the target piles. Therefore
// cards that are no longer needed on any of the play piles should be put on
// the target piles if possible. Cards on the target piles can not be moved
// and they can not store any of its depending cards. Let us call this that
// the cards on the target piles are *out of play*.
//
// The simple and obvious rule is:
// A card is no longer needed when both of its depending cards are out of
// play.
//
// More complex:
// Assume card t is red. Now, if the lowest unplayed black card is
// t.value()-2, then t may be needed to hold that black t.value()-1 card.
// If the lowest unplayed black card is t.value()-1, it will be playable
// to the target, unless it is needed for a red card of value t.value()-2.
//
// So, t is not needed if the lowest unplayed red card is t.value()-2 and the
// lowest unplayed black card is t.value()-1, OR if the lowest unplayed black
// card is t.value(). So, no recursion needed - we did it ahead of time.
bool FreecellBase::noLongerNeeded(const Card & t)
{
if (t.rank() <= Card::Two) return true; // Base case.
bool cardIsRed = t.isRed();
uint numSame = 0, numDiff = 0;
Card::Rank lowSame = Card::King, lowDiff = Card::King;
for (PileList::Iterator it = target.begin(); it != target.end(); ++it)
{
if ((*it)->isEmpty())
continue;
if ((*it)->top()->isRed() == cardIsRed) {
numSame++;
if ((*it)->top()->rank() < lowSame)
lowSame = static_cast<Card::Rank>((*it)->top()->rank()+1);
} else {
numDiff++;
if ((*it)->top()->rank() < lowDiff)
lowDiff = static_cast<Card::Rank>((*it)->top()->rank()+1);
}
}
if (numSame < target.count()/2) lowSame = Card::Ace;
if (numDiff < target.count()/2) lowDiff = Card::Ace;
return (lowDiff >= t.rank() ||
(lowDiff >= t.rank()-1 && lowSame >= t.rank()-2));
}
// This is the getHints() from dealer.cpp with one line changed
// to use noLongerNeeded() to decide if the card should be
// dropped or not.
//
// I would recommend adding a virtual bool noLongerNeeded(const Card &t)
// to the base class (Dealer) that just returns true, and then calling
// it like is done here. That would preserve current functionality
// but eliminate this code duplication
void FreecellBase::getHints()
{
for (PileList::Iterator it = piles.begin(); it != piles.end(); ++it)
{
if (!takeTargetForHints() && (*it)->target())
continue;
Pile *store = *it;
if (store->isEmpty())
continue;
// kdDebug(11111) << "trying " << store->top()->name() << endl;
CardList cards = store->cards();
while (cards.count() && !cards.first()->realFace()) cards.remove(cards.begin());
CardList::Iterator iti = cards.begin();
while (iti != cards.end())
{
if (store->legalRemove(*iti)) {
// kdDebug(11111) << "could remove " << (*iti)->name() << endl;
for (PileList::Iterator pit = piles.begin(); pit != piles.end(); ++pit)
{
Pile *dest = *pit;
if (dest == store)
continue;
if (store->indexOf(*iti) == 0 && dest->isEmpty() && !dest->target())
continue;
if (!dest->legalAdd(cards))
continue;
bool old_prefer = checkPrefering( dest->checkIndex(), dest, cards );
if (!takeTargetForHints() && dest->target())
newHint(new MoveHint(*iti, dest, noLongerNeeded(*(*iti))));
else {
store->hideCards(cards);
// if it could be here as well, then it's no use
if ((store->isEmpty() && !dest->isEmpty()) || !store->legalAdd(cards))
newHint(new MoveHint(*iti, dest));
else {
if (old_prefer && !checkPrefering( store->checkIndex(),
store, cards ))
{ // if checkPrefers says so, we add it nonetheless
newHint(new MoveHint(*iti, dest));
}
}
store->unhideCards(cards);
}
}
}
cards.remove(iti);
iti = cards.begin();
}
}
}
void FreecellBase::demo()
{
if (solver_instance && solver_ret == FCS_STATE_WAS_SOLVED) {
Dealer::demo();
return;
}
towait = (Card*)-1;
unmarkAll();
kdDebug(11111) << "demo " << (solver_ret != FCS_STATE_IS_NOT_SOLVEABLE) << endl;
if (solver_ret != FCS_STATE_IS_NOT_SOLVEABLE)
findSolution();
}
MoveHint *FreecellBase::chooseHint()
{
if (solver_instance && freecell_solver_user_get_moves_left(solver_instance)) {
emit gameInfo(i18n("%1 moves before finish").arg(freecell_solver_user_get_moves_left(solver_instance)));
fcs_move_t move;
if (!freecell_solver_user_get_next_move(solver_instance, &move)) {
MoveHint *mh = translateMove(&move);
oldmoves.append(mh);
return mh;
} else
return 0;
} else
return Dealer::chooseHint();
}
void FreecellBase::countFreeCells(int &free_cells, int &free_stores) const
{
free_cells = 0;
free_stores = 0;
for (uint i = 0; i < freecell.count(); i++)
if (freecell[i]->isEmpty()) free_cells++;
if (es_filling == FCS_ES_FILLED_BY_ANY_CARD)
for (uint i = 0; i < store.count(); i++)
if (store[i]->isEmpty()) free_stores++;
}
void FreecellBase::freeSolution()
{
for (HintList::Iterator it = oldmoves.begin(); it != oldmoves.end(); ++it)
delete *it;
oldmoves.clear();
if (!solver_instance)
return;
freecell_solver_user_recycle(solver_instance);
solver_ret = FCS_STATE_NOT_BEGAN_YET;
}
void FreecellBase::stopDemo()
{
Dealer::stopDemo();
freeSolution();
}
void FreecellBase::moveCards(CardList &c, FreecellPile *from, Pile *to)
{
if (!demoActive() && solver_instance) {
freeSolution();
}
assert(c.count() > 1);
if (unlimited_move) {
from->Pile::moveCards(c, to);
return;
}
setWaiting(true);
from->moveCardsBack(c);
waitfor = c.first();
connect(waitfor, SIGNAL(stoped(Card*)), SLOT(waitForMoving(Card*)));
PileList fcs;
for (uint i = 0; i < freecell.count(); i++)
if (freecell[i]->isEmpty()) fcs.append(freecell[i]);
PileList fss;
if (es_filling == FCS_ES_FILLED_BY_ANY_CARD)
for (uint i = 0; i < store.count(); i++)
if (store[i]->isEmpty() && to != store[i]) fss.append(store[i]);
if (fcs.count() == 0) {
assert(fss.count());
fcs.append(fss.last());
fss.remove(fss.fromLast());
}
while (moves.count()) { delete moves.first(); moves.remove(moves.begin()); }
movePileToPile(c, to, fss, fcs, 0, c.count(), 0);
if (!waitfor->animated())
QTimer::singleShot(0, this, SLOT(startMoving()));
}
struct MoveAway {
Pile *firstfree;
int start;
int count;
};
void FreecellBase::movePileToPile(CardList &c, Pile *to, PileList fss, PileList &fcs, uint start, uint count, int debug_level)
{
kdDebug(11111) << debug_level << " movePileToPile" << c.count() << " " << start << " " << count << endl;
uint moveaway = 0;
if (count > fcs.count() + 1) {
moveaway = (fcs.count() + 1);
while (moveaway * 2 < count)
moveaway <<= 1;
}
kdDebug(11111) << debug_level << " moveaway " << moveaway << endl;
QValueList<MoveAway> moves_away;
if (count - moveaway < (fcs.count() + 1) && (count <= 2 * (fcs.count() + 1))) {
moveaway = count - (fcs.count() + 1);
}
while (count > fcs.count() + 1) {
assert(fss.count());
MoveAway ma;
ma.firstfree = fss[0];
ma.start = start;
ma.count = moveaway;
moves_away.append(ma);
fss.remove(fss.begin());
movePileToPile(c, ma.firstfree, fss, fcs, start, moveaway, debug_level + 1);
start += moveaway;
count -= moveaway;
moveaway >>= 1;
if ((count > (fcs.count() + 1)) && (count <= 2 * (fcs.count() + 1)))
moveaway = count - (fcs.count() + 1);
}
uint moving = QMIN(count, QMIN(c.count() - start, fcs.count() + 1));
assert(moving);
for (uint i = 0; i < moving - 1; i++) {
moves.append(new MoveHint(c[c.count() - i - 1 - start], fcs[i]));
}
moves.append(new MoveHint(c[c.count() - start - 1 - (moving - 1)], to));
for (int i = moving - 2; i >= 0; --i)
moves.append(new MoveHint(c[c.count() - i - 1 - start], to));
while (moves_away.count())
{
MoveAway ma = moves_away.last();
moves_away.remove(moves_away.fromLast());
movePileToPile(c, to, fss, fcs, ma.start, ma.count, debug_level + 1);
fss.append(ma.firstfree);
}
}
void FreecellBase::startMoving()
{
kdDebug(11111) << "startMoving\n";
if (moves.isEmpty()) {
if (demoActive() && towait) {
waitForDemo(towait);
}
setWaiting(false);
takeState();
return;
}
MoveHint *mh = moves.first();
moves.remove(moves.begin());
CardList empty;
empty.append(mh->card());
assert(mh->card() == mh->card()->source()->top());
assert(mh->pile()->legalAdd(empty));
mh->pile()->add(mh->card());
mh->pile()->moveCardsBack(empty, true);
waitfor = mh->card();
kdDebug(11111) << "wait for moving end " << mh->card()->name() << endl;
connect(mh->card(), SIGNAL(stoped(Card*)), SLOT(waitForMoving(Card*)));
delete mh;
}
void FreecellBase::newDemoMove(Card *m)
{
Dealer::newDemoMove(m);
if (m != m->source()->top())
m->disconnect();
}
void FreecellBase::waitForMoving(Card *c)
{
if (waitfor != c)
return;
c->disconnect();
startMoving();
}
bool FreecellBase::cardDblClicked(Card *c)
{
// target move
if (Dealer::cardDblClicked(c))
return true;
if (c->animated())
return false;
if (c == c->source()->top() && c->realFace())
for (uint i = 0; i < freecell.count(); i++)
if (freecell[i]->isEmpty()) {
CardList empty;
empty.append(c);
c->source()->moveCards(empty, freecell[i]);
canvas()->update();
return true;
}
return false;
}
bool FreecellBase::CanPutStore(const Pile *c1, const CardList &c2) const
{
int fcs, fss;
countFreeCells(fcs, fss);
if (c1->isEmpty()) // destination is empty
fss--;
if (!unlimited_move && int(c2.count()) > ((fcs)+1)<<fss)
return false;
// ok if the target is empty
if (c1->isEmpty())
return true;
Card *c = c2.first(); // we assume there are only valid sequences
// ok if in sequence, alternate colors
return ((c1->top()->rank() == (c->rank()+1))
&& (c1->top()->isRed() != c->isRed()));
}
bool FreecellBase::checkAdd(int, const Pile *c1, const CardList &c2) const
{
return CanPutStore(c1, c2);
}
//-------------------------------------------------------------------------//
bool FreecellBase::checkRemove(int checkIndex, const Pile *p, const Card *c) const
{
if (checkIndex != 0)
return false;
// ok if just one card
if (c == p->top())
return true;
// Now we're trying to move two or more cards.
// First, let's check if the column is in valid
// (that is, in sequence, alternated colors).
int index = p->indexOf(c) + 1;
const Card *before = c;
while (true)
{
c = p->at(index++);
if (!((c->rank() == (before->rank()-1))
&& (c->isRed() != before->isRed())))
{
return false;
}
if (c == p->top())
return true;
before = c;
}
return true;
}
//-------------------------------------------------------------------------//
class Freecell : public FreecellBase
{
public:
Freecell( KMainWindow* parent=0, const char* name=0);
virtual void deal();
};
Freecell::Freecell( KMainWindow* parent, const char* name)
: FreecellBase(1, 8, 4, FCS_ES_FILLED_BY_ANY_CARD, false, parent, name)
{
for (int i = 0; i < 8; i++)
store[i]->move(8 + ( cardMap::CARDX() * 11 / 10 + 1 ) * i, 8 + cardMap::CARDY() * 11 / 10);
const int right = 8 + ( cardMap::CARDX() * 11 / 10 + 1 ) * 7 + cardMap::CARDX();
for (int i = 0; i < 4; i++)
freecell[i]->move(8 + ( cardMap::CARDX() * 13 / 12 ) * i, 8);
for (int i = 0; i < 4; i++)
target[i]->move(right - (3-i) * ( cardMap::CARDX() * 13 / 12 ) -cardMap::CARDX() , 8);
}
void Freecell::deal()
{
int column = 0;
while (!deck->isEmpty())
{
store[column]->add (deck->nextCard(), false, true);
column = (column + 1) % 8;
}
}
static class LocalDealerInfo3 : public DealerInfo
{
public:
LocalDealerInfo3() : DealerInfo(I18N_NOOP("&Freecell"), 3) {}
virtual Dealer *createGame(KMainWindow *parent) { return new Freecell(parent); }
} ldi8;
//-------------------------------------------------------------------------//
#include"freecell.moc"
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