jens@0: /*  This code is based on Apple's "GeekGameBoard" sample code, version 1.0.
jens@0:     http://developer.apple.com/samplecode/GeekGameBoard/
jens@0:     Copyright © 2007 Apple Inc. Copyright © 2008 Jens Alfke. All Rights Reserved.
jens@0: 
jens@0:     Redistribution and use in source and binary forms, with or without modification, are permitted
jens@0:     provided that the following conditions are met:
jens@0: 
jens@0:     * Redistributions of source code must retain the above copyright notice, this list of conditions
jens@0:       and the following disclaimer.
jens@0:     * Redistributions in binary form must reproduce the above copyright notice, this list of
jens@0:       conditions and the following disclaimer in the documentation and/or other materials provided
jens@0:       with the distribution.
jens@0: 
jens@0:     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
jens@0:     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
jens@0:     FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
jens@0:     BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
jens@0:     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
jens@0:     PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
jens@0:     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
jens@0:     THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
jens@0: */
jens@0: #import "Deck.h"
jens@0: #import "Card.h"
jens@0: #import "Stack.h"
jens@0: #import "QuartzUtils.h"
jens@0: #import "GGBUtils.h"
jens@0: 
jens@0: 
jens@0: @interface Deck ()
jens@0: - (void) setCards: (NSMutableArray*)cards;
jens@0: - (void) x_showTopCard;
jens@0: @end
jens@0: 
jens@0: 
jens@0: @implementation Deck
jens@0: 
jens@0: 
jens@0: - (id) init
jens@0: {
jens@0:     self = [super init];
jens@0:     if (self != nil) {
jens@4:         self.bounds = (CGRect){{0,0},[Card cardSize]};
jens@0:         self.cornerRadius = 8;
jens@0:         self.backgroundColor = kAlmostInvisibleWhiteColor;
jens@0:         self.borderColor = kHighlightColor;
jens@0:         self.cards = [NSMutableArray array];
jens@0:     }
jens@0:     return self;
jens@0: }
jens@0: 
jens@0: - (id) initWithCardsOfClass: (Class)klass
jens@0: {
jens@0:     self = [self init];
jens@0:     if (self != nil) {
jens@0:         // Create a full deck of cards:
jens@0:         NSRange serials = [klass serialNumberRange];
jens@0:         for( int i=serials.location; i<NSMaxRange(serials); i++ ) {
jens@0:             Card *card = [[klass alloc] initWithSerialNumber: i
jens@0:                                                     position: CGPointZero];
jens@0:             [_cards addObject: card];
jens@0:             [card release];
jens@0:         }
jens@0:         [self x_showTopCard];
jens@0:     }
jens@0:     return self;
jens@0: }
jens@0: 
jens@0: 
jens@0: - (void) dealloc
jens@0: {
jens@0:     [_cards release];
jens@0:     [super dealloc];
jens@0: }
jens@0: 
jens@0: 
jens@0: - (NSArray*) cards                          {return _cards;}
jens@0: - (void) setCards: (NSMutableArray*)cards   {setObj(&_cards,cards);}
jens@0: 
jens@0: - (Card*) topCard   {return (Card*)_bit;}
jens@0: 
jens@0: 
jens@0: - (void) setBit: (Bit*)bit
jens@0: {
jens@0:     NSAssert(NO,@"Don't call -setBit");
jens@0: }
jens@0: 
jens@0: 
jens@0: - (void) x_removeObsoleteCard: (Card*)card
jens@0: {
jens@0:     if( [_cards containsObject: card] && card != _bit )
jens@0:         RemoveImmediately(card);
jens@0: }
jens@0: 
jens@0: 
jens@0: /** Sync up my display with the _cards array. The last element of _cards should be shown,
jens@0:     and no others (they shouldn't even be in the layer tree, for performance reasons.) */
jens@0: - (void) x_showTopCard
jens@0: {
jens@0:     Card *curTopCard = [_cards lastObject];
jens@0:     if( curTopCard != _bit ) {
jens@0:         if( _bit ) {
jens@0:             // Remove card that used to be the top one
jens@0:             if( [_cards containsObject: _bit] )   // wait till new card animates on top of it
jens@0:                 [self performSelector: @selector(x_removeObsoleteCard:) withObject: _bit afterDelay: 1.0];
jens@0:             else
jens@0:                 RemoveImmediately(_bit);
jens@0:         }
jens@0:         _bit = curTopCard;
jens@0:         if( curTopCard ) {
jens@0:             if( curTopCard.superlayer==self ) {
jens@0:                 [self addSublayer: curTopCard]; // move to top
jens@0:                 curTopCard.position = GetCGRectCenter(self.bounds);
jens@0:             } else {
jens@0:                 if( curTopCard.superlayer )
jens@0:                     ChangeSuperlayer(curTopCard, self, -1);
jens@0:                 curTopCard.position = GetCGRectCenter(self.bounds);
jens@0:                 if( ! curTopCard.superlayer )
jens@0:                     [self addSublayer: curTopCard];
jens@0:             }
jens@0:         }
jens@0:     }
jens@0: }
jens@0: 
jens@0: 
jens@0: - (void) shuffle
jens@0: {
jens@0:     int n = _cards.count;
jens@0:     NSMutableArray *shuffled = [NSMutableArray arrayWithCapacity: n];
jens@0:     for( ; n > 0; n-- ) {
jens@0:         int i = random() % n;
jens@0:         Card *card = [_cards objectAtIndex: i];
jens@0:         [shuffled addObject: card];
jens@0:         [_cards removeObjectAtIndex: i];
jens@0:     }
jens@0:     self.cards = shuffled;
jens@0:     [self x_showTopCard];
jens@0: }
jens@0: 
jens@0: 
jens@0: - (void) flip
jens@0: {
jens@0:     int n = _cards.count;
jens@0:     NSMutableArray *flipped = [NSMutableArray arrayWithCapacity: n];
jens@0:     while( --n >= 0 ) {
jens@0:         Card *card = [_cards objectAtIndex: n];
jens@0:         card.faceUp = ! card.faceUp;
jens@0:         [flipped addObject: card];
jens@0:     }
jens@0:     self.cards = flipped;
jens@0:     [self x_showTopCard];
jens@0: }
jens@0: 
jens@0: 
jens@0: - (void) addCard: (Card*)card
jens@0: {
jens@0:     [_cards addObject: card];
jens@0:     [self x_showTopCard];
jens@0: }
jens@0: 
jens@0: - (void) addCardAtBottom: (Card*)card
jens@0: {
jens@0:     [_cards insertObject: card atIndex: 0];
jens@0:     if( _cards.count==1 )
jens@0:         [self x_showTopCard];
jens@0: }
jens@0: 
jens@0: - (void) addCardAtRandom: (Card*)card
jens@0: {
jens@0:     // Put the card at some random location, but _not_ on top (unless the deck is empty.)
jens@0:     int n = _cards.count;
jens@0:     if( n==0 )
jens@0:         [self addCard: card];
jens@0:     else
jens@0:         [_cards insertObject: card atIndex: (random() % (n-1))];
jens@0: }
jens@0: 
jens@0: 
jens@0: - (void) addCards: (NSArray*)cards
jens@0: {
jens@0:     [_cards addObjectsFromArray: cards];
jens@0:     [self x_showTopCard];
jens@0: }
jens@0: 
jens@0: 
jens@0: - (BOOL) addBit: (Bit*)bit
jens@0: {
jens@0:     if( [bit isKindOfClass: [DraggedStack class]] ) {
jens@0:         // Convert a DraggedStack back to a group of Cards:
jens@0:         for( Bit *subBit in [(DraggedStack*)bit bits] )
jens@0:             if( ! [self addBit: subBit] )
jens@0:                 return NO;
jens@0:         return YES;
jens@0:     } else if( [bit isKindOfClass: [Card class]] ) {
jens@0:         [self addCard: (Card*)bit];
jens@0:         return YES;
jens@0:     } else
jens@0:         return NO;
jens@0: }
jens@0: 
jens@0: 
jens@0: - (Card*) removeTopCard
jens@0: {
jens@0:     Card *card = [_cards lastObject];
jens@0:     if( card ) {
jens@0:         [[card retain] autorelease];
jens@0:         [_cards removeLastObject];
jens@0:         _bit = nil;   // keep it from being removed from superlayer by _showTopCard
jens@0:         [self x_showTopCard];
jens@0:     }
jens@0:     return card;
jens@0: }
jens@0: 
jens@0: 
jens@0: - (NSArray*) removeAllCards
jens@0: {
jens@0:     NSArray *removedCards = [[_cards retain] autorelease];
jens@0:     self.cards = [NSMutableArray array];
jens@0:     [removedCards makeObjectsPerformSelector: @selector(removeFromSuperlayer)];
jens@0:     [self x_showTopCard];
jens@0:     return removedCards;
jens@0: }
jens@0: 
jens@0: 
jens@0: #pragma mark -
jens@0: #pragma mark BITHOLDER INTERFACE:
jens@0: 
jens@0: 
jens@0: - (Bit*) canDragBit: (Bit*)bit
jens@0: {
jens@0:     if( bit == _bit ) {
jens@0:         [bit retain];
jens@0:         [_cards removeObjectIdenticalTo: bit];
jens@0:         _bit = nil;   // prevent the card from being removed from my layer
jens@0:         [self x_showTopCard];
jens@0:         return [bit autorelease];
jens@0:     } else
jens@0:         return nil;
jens@0: }
jens@0: 
jens@0: - (void) cancelDragBit: (Bit*)bit
jens@0: {
jens@0:     [self addCard: (Card*)bit];
jens@0: }
jens@0: 
jens@0: - (void) draggedBit: (Bit*)bit to: (id<BitHolder>)dst   {}
jens@0: 
jens@0: 
jens@0: - (void) setHighlighted: (BOOL)h    
jens@0: {
jens@0:     [super setHighlighted: h];
jens@0:     self.borderWidth = h ?6 :0;
jens@0: }
jens@0: 
jens@0: - (BOOL) canDropBit: (Bit*)bit atPoint: (CGPoint)point
jens@0: {
jens@0:     return [bit isKindOfClass: [Card class]] || [bit isKindOfClass: [DraggedStack class]];
jens@0: }
jens@0: 
jens@0: - (BOOL) dropBit: (Bit*)bit atPoint: (CGPoint)point
jens@0: {
jens@0:     return [self addBit: bit];
jens@0: }
jens@0: 
jens@0: 
jens@0: 
jens@0: @end