Source/Stack.h
author Jens Alfke <jens@mooseyard.com>
Sun Feb 06 16:31:03 2011 -0800 (2011-02-06)
changeset 29 0b1c315ffc64
parent 0 e9f7ba4718e1
permissions -rw-r--r--
Minor compiler-compatibility fixes.
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/*  This code is based on Apple's "GeekGameBoard" sample code, version 1.0.
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    http://developer.apple.com/samplecode/GeekGameBoard/
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    Copyright © 2007 Apple Inc. Copyright © 2008 Jens Alfke. All Rights Reserved.
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    Redistribution and use in source and binary forms, with or without modification, are permitted
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    provided that the following conditions are met:
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    * Redistributions of source code must retain the above copyright notice, this list of conditions
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      and the following disclaimer.
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    * Redistributions in binary form must reproduce the above copyright notice, this list of
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      conditions and the following disclaimer in the documentation and/or other materials provided
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      with the distribution.
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    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
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    FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
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    BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
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    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
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    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
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    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "Bit.h"
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#import "BitHolder.h"
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/** A holder for multiple Bits that lines them up in stacks or rows.
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    For example, this is used in solitaire card games for each pile in the "tableau". */
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@interface Stack : BitHolder
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{
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    CGPoint _startPos;                      // see properties below for descriptions
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    CGSize _spacing;       
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    CGSize _wrapSpacing;   
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    int _wrapInterval;     
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    NSMutableArray *_bits; 
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    BOOL _dragAsStacks;    
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}
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- (id) initWithStartPos: (CGPoint)startPos spacing: (CGSize)spacing;
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- (id) initWithStartPos: (CGPoint)startPos spacing: (CGSize)spacing
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           wrapInterval: (int)wrapInterval wrapSpacing: (CGSize)wrapSpacing;
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@property CGPoint startPos;                 // Position where first Bit should go
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@property CGSize spacing;                   // Spacing between successive Bits
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@property CGSize wrapSpacing;               // Spacing between wrapped-around sub-piles
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@property int wrapInterval;                 // How many Bits to add before wrapping
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@property BOOL dragAsStacks;                // If set to YES, dragging a Bit drags a DraggedStack
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@property (readonly) NSArray *bits;         // The Bits, in order
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@property NSUInteger numberOfBits;          // Number of bits (can be used to remove bits, but not add)
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@property (readonly) Bit *topBit;           // The topmost Bit (last item in self.bits)
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/** Adds a Bit to the end */
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- (void) addBit: (Bit*)bit;
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- (void) removeBit: (Bit*)bit;
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@end
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/** A subset of a Stack, dragged out of it if its dragAsStacks flag is set.
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    This is used in typical card solitaire games.
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    A DraggedStack exists only during a drag; afterwards, its Cards
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    are incorporated into the destination Stack. */
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@interface DraggedStack : Bit
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- (id) initWithBits: (NSArray*)bits;
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@property (readonly) NSArray *bits;
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@end