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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | c90c389a8a8d9d8661e9772ec4144c5cf2039f23 (patch) | |
tree | 6d8391395bce9eaea4ad78958617edb20c6a7573 /kpat/card.cpp | |
download | tdegames-c90c389a8a8d9d8661e9772ec4144c5cf2039f23.tar.gz tdegames-c90c389a8a8d9d8661e9772ec4144c5cf2039f23.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegames@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kpat/card.cpp')
-rw-r--r-- | kpat/card.cpp | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/kpat/card.cpp b/kpat/card.cpp new file mode 100644 index 00000000..983a901d --- /dev/null +++ b/kpat/card.cpp @@ -0,0 +1,380 @@ +/****************************************************** + + Card.cpp -- support classes for patience type card games + + Copyright (C) 1995 Paul Olav Tvete + + * 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 <math.h> +#include <assert.h> + +#include <qpainter.h> + +#include <kdebug.h> + +#include "card.h" +#include "pile.h" +#include "cardmaps.h" + + +static const char *suit_names[] = {"Clubs", "Diamonds", "Hearts", "Spades"}; +static const char *rank_names[] = {"Ace", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", + "Nine", "Ten", "Jack", "Queen", "King" }; + +// Run time type id +const int Card::RTTI = 1001; + + +Card::Card( Rank r, Suit s, QCanvas* _parent ) + : QCanvasRectangle( _parent ), + m_suit( s ), m_rank( r ), + m_source(0), scaleX(1.0), scaleY(1.0), tookDown(false) +{ + // Set the name of the card + // FIXME: i18n() + m_name = QString("%1 %2").arg(suit_names[s-1]).arg(rank_names[r-1]).utf8(); + + // Default for the card is face up, standard size. + m_faceup = true; + setSize( cardMap::CARDX(), cardMap::CARDY() ); + + m_destX = 0; + m_destY = 0; + m_destZ = 0; + + m_flipping = false; + m_animSteps = 0; + m_flipSteps = 0; +} + + +Card::~Card() +{ + // If the card is in a pile, remove it from there. + if (source()) + source()->remove(this); + + hide(); +} + + +// ---------------------------------------------------------------- +// Member functions regarding graphics + + +// Return the pixmap of the card +// +QPixmap Card::pixmap() const +{ + return cardMap::self()->image( m_rank, m_suit ); +} + + +// Turn the card if necessary. If the face gets turned up, the card +// is activated at the same time. +// +void Card::turn( bool _faceup ) +{ + if (m_faceup != _faceup) { + m_faceup = _faceup; + setActive(!isActive()); // abuse + } +} + +// Draw the card on the painter 'p'. +// +void Card::draw( QPainter &p ) +{ + QPixmap side; + + // Get the image to draw (front / back) + if( isFaceUp() ) + side = cardMap::self()->image( m_rank, m_suit, isSelected()); + else + side = cardMap::self()->backSide(); + + // Rescale the image if necessary. + if (scaleX <= 0.98 || scaleY <= 0.98) { + QWMatrix s; + s.scale( scaleX, scaleY ); + side = side.xForm( s ); + int xoff = side.width() / 2; + int yoff = side.height() / 2; + p.drawPixmap( int(x() + cardMap::CARDX()/2 - xoff), + int(y() + cardMap::CARDY()/2 - yoff), side ); + } else + p.drawPixmap( int(x()), int(y()), side ); +} + + +void Card::moveBy(double dx, double dy) +{ + QCanvasRectangle::moveBy(dx, dy); +} + + +// Return the X of the cards real position. This is the destination +// of the animation if animated, and the current X otherwise. +// +int Card::realX() const +{ + if (animated()) + return m_destX; + else + return int(x()); +} + + +// Return the Y of the cards real position. This is the destination +// of the animation if animated, and the current Y otherwise. +// +int Card::realY() const +{ + if (animated()) + return m_destY; + else + return int(y()); +} + + +// Return the > of the cards real position. This is the destination +// of the animation if animated, and the current Z otherwise. +// +int Card::realZ() const +{ + if (animated()) + return m_destZ; + else + return int(z()); +} + + +// Return the "face up" status of the card. +// +// This is the destination of the animation if animated and animation +// is more than half way, the original if animated and animation is +// less than half way, and the current "face up" status otherwise. +// + +bool Card::realFace() const +{ + if (animated() && m_flipping) { + bool face = isFaceUp(); + if ( m_animSteps >= m_flipSteps / 2 - 1 ) + return !face; + else + return face; + } else + return isFaceUp(); +} + + +/// the following copyright is for the flipping code +/********************************************************************** +** Copyright (C) 2000 Trolltech AS. All rights reserved. +** +** This file is part of Qt Palmtop Environment. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + + +// Used to create an illusion of the card being lifted while flipped. +static const double flipLift = 1.2; + +// The current maximum Z value. This is used so that new cards always +// get placed on top of the old ones and don't get placed in the +// middle of a destination pile. +int Card::Hz = 0; + + +void Card::setZ(double z) +{ + QCanvasRectangle::setZ(z); + if (z > Hz) + Hz = int(z); +} + + +// Start a move of the card using animation. +// +// 'steps' is the number of steps the animation should take. +// +void Card::moveTo(int x2, int y2, int z2, int steps) +{ + m_destX = x2; + m_destY = y2; + m_destZ = z2; + + double x1 = x(); + double y1 = y(); + double dx = x2 - x1; + double dy = y2 - y1; + + if (!dx && !dy) { + setZ(z2); + return; + } + setZ(Hz++); + + if (steps) { + // Ensure a good speed + while ( fabs(dx/steps)+fabs(dy/steps) < 5.0 && steps > 4 ) + steps--; + + setAnimated(true); + setVelocity(dx/steps, dy/steps); + + m_animSteps = steps; + + } else { + // _really_ fast + setAnimated(true); + setAnimated(false); + emit stoped(this); + } +} + + +// Animate a move to (x2, y2), and at the same time flip the card. +// +void Card::flipTo(int x2, int y2, int steps) +{ + // Check that we are not already animating. + assert(!animated()); + + int x1 = (int)x(); + int y1 = (int)y(); + double dx = x2 - x1; + double dy = y2 - y1; + + // Mark this animation as a flip as well. + m_flipping = true; + m_flipSteps = steps; + + // Set the target of the animation + m_destX = x2; + m_destY = y2; + m_destZ = int(z()); + + // Let the card be above all others during the animation. + setZ(Hz++); + + m_animSteps = steps; + setVelocity(dx/m_animSteps, dy/m_animSteps-flipLift); + + setAnimated(TRUE); +} + + +// Advance a card animation one step. This function adds flipping of +// the card to the translation animation that QCanvasRectangle offers. +// +void Card::advance(int stage) +{ + if ( stage==1 ) { + // If the animation is finished, emit stoped. (FIXME: name) + if ( m_animSteps-- <= 0 ) { + setAnimated(false); + emit stoped(this); + } else { + // Animation is not finished. Check for flipping and add + // that animation to the simple translation. + if ( m_flipping ) { + if ( m_animSteps > m_flipSteps / 2 ) { + // animSteps = flipSteps .. flipSteps/2 (flip up) -> 1..0 + scaleX = ((double)m_animSteps/m_flipSteps-0.5)*2; + } else { + // animSteps = flipSteps/2 .. 0 (flip down) -> 0..1 + scaleX = 1-((double)m_animSteps/m_flipSteps)*2; + } + if ( m_animSteps == m_flipSteps / 2-1 ) { + setYVelocity(yVelocity()+flipLift*2); + turn( !isFaceUp() ); + } + } + } + } + + // Animate the translation of the card. + QCanvasRectangle::advance(stage); +} + + +// Set 'animated' status to a new value, and set secondary values as +// well. +// +void Card::setAnimated(bool anim) +{ + // If no more animation, reset some other values as well. + if (animated() && !anim) { + // Reset all things that might have changed during the animation. + scaleX = 1.0; + scaleY = 1.0; + m_flipping = FALSE; + setVelocity(0, 0); + + // Move the card to its destination immediately. + move(m_destX, m_destY); + setZ(m_destZ); + } + + QCanvasRectangle::setAnimated(anim); +} + + +void Card::setTakenDown(bool td) +{ + if (td) + kdDebug(11111) << "took down " << name() << endl; + tookDown = td; +} + + +bool Card::takenDown() const +{ + return tookDown; +} + + +// Get the card to the top. + +void Card::getUp(int steps) +{ + m_destZ = int(z()); + m_destX = int(x()); + m_destY = int(y()); + setZ(Hz+1); + + // Animation + m_animSteps = steps; + setVelocity(0, 0); + setAnimated(TRUE); +} + +#include "card.moc" |