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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 (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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@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
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