deck.cpp

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/*
   This file is part of the KDE games lskat program
   Copyright (c) 2006 Martin Heni <kde@heni-online.de>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

// Qt includes

// KDE includes
#include <klocale.h>
#include <kdebug.h>
#include <klocalizedstring.h>

// Local includes
#include "deck.h"

// How many cards
#define NUMBER_OF_CARDS   32
// How often to shuffle the cards
#define SHUFFLE_AMOUNT  1000


// Constructor for the view
Deck::Deck(long seed, QObject* parent)
    : QObject(parent)
{
  // Set the random seed
  mRandom.setSeed(seed);
  shuffle();
}

// Destructor
Deck::~Deck()
{
}

// Retrieve number of cards in this deck.
int Deck::cardNumber()
{
  // Use pixmaps as this is the same size but earlier filled.
  return mCards.size();
}

// Draw a random trump from all cards. 
Suite Deck::randomTrump()
{
  int card = mRandom.getLong(NUMBER_OF_CARDS);
   
  Suite suite = getSuite(card);
  CardType type = getCardType(card);
  if (type == Jack) return Grand;
  return suite;
}


// Shuffle deck of cards
void Deck::shuffle()
{
   mCards.clear();
   // Fill card deck with ordered cards
   for (int i=0; i<NUMBER_OF_CARDS; i++)
   {
     mCards.append(i);
   }

   // Shuffle cards
   for (int i=0;i<SHUFFLE_AMOUNT;i++)
   {
     int c1 = mRandom.getLong(NUMBER_OF_CARDS);
     int c2 = mRandom.getLong(NUMBER_OF_CARDS);
     mCards.swap(c1, c2);
   }
}


// Draw a card from the deck
int Deck::drawCard()
{
  if (mCards.size() < 1)
  {
    kFatal() << "No more cards to draw from card deck " << endl;
  }
  int card = mCards.takeFirst();
  return card;
}


// Return the suite of a given card (number)
Suite Deck::getSuite(int card)
{
  return (Suite)(card%4);
}


// Return the card type (ace, king, ...) of a given card (number)
CardType Deck::getCardType(int card)
{
  return (CardType)(card/4);
}


// Get the value in points of the given card (number).
int Deck::getCardValue(int card)
{
  CardType type = getCardType(card);
  if (type == Ace) return  11;
  if (type == Ten) return  10;
  if (type == King) return  4;
  if (type == Queen) return 3;
  if (type == Jack) return  2;
  return 0;
}


// Get verbose name of a vard
QString Deck::name(int card)
{
  if (card < 0) return i18n("no valid card");
  return name(getSuite(card), getCardType(card));
}


// Returns a verbose name for a card
QString Deck::name(Suite suite, CardType type)
{
    QString suiteName = i18n("unknown");
    if (suite == Club) suiteName = i18nc("suite name", "Clubs");
    if (suite == Spade) suiteName = i18nc("suite name", "Spades");
    if (suite == Heart) suiteName = i18nc("suite name", "Hearts");
    if (suite == Diamond) suiteName = i18nc("suite name", "Diamonds");
    if (suite == Grand) suiteName = i18nc("trump name", "Grand");
    QString typeName = i18n("unknown");
    if (type == Ace) typeName = i18nc("card name", "Ace");
    if (type == King) typeName = i18nc("card name", "King");
    if (type == Queen) typeName = i18nc("card name", "Queen");
    if (type == Jack) typeName = i18nc("card name", "Jack");
    if (type == Ten) typeName = i18nc("card name", "Ten");
    if (type == Nine) typeName = i18nc("card name", "Nine");
    if (type == Eight) typeName = i18nc("card name", "Eight");
    if (type == Seven) typeName = i18nc("card name", "Seven");

    return i18nc("eg jack of clubs", "%1 of %2", typeName, suiteName);
}


#include "deck.moc"

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