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@1: #import "GGBLayer.h"
jens@0: 
jens@0: 
jens@0: @class Game, Player;
jens@0: @protocol BitHolder;
jens@0: 
jens@0: 
jens@0: /** Standard Z positions */
jens@0: enum {
jens@0:     kBoardZ = 1,
jens@0:     kCardZ  = 2,
jens@0:     kPieceZ = 3,
jens@0:     
jens@0:     kPickedUpZ = 100
jens@0: };
jens@0: 
jens@0: 
jens@0: /** A moveable item in a card/board game.
jens@0:     Abstract superclass of Card and Piece. */
jens@1: @interface Bit : GGBLayer
jens@0: {
jens@0:     @private
jens@0:     int _restingZ;      // Original z position, saved while pickedUp
jens@0:     Player *_owner;     // Player that owns this Bit
jens@0: }
jens@0: 
jens@0: /** Conveniences for getting/setting the layer's scale and rotation */
jens@0: @property CGFloat scale;
jens@0: @property int rotation;         // in degrees! Positive = clockwise
jens@0: 
jens@0: /** "Picking up" a Bit makes it larger, translucent, and in front of everything else */
jens@0: @property BOOL pickedUp;
jens@0: 
jens@0: /** Current holder (or nil) */
jens@0: @property (readonly) id<BitHolder> holder;
jens@0: 
jens@0: /** Ownership of this Bit */
jens@0: @property (assign) Player *owner;
jens@0: 
jens@0: /** Conveniences for owner.friendly, owner.unfriendly */
jens@0: @property (readonly, getter=isFriendly)   BOOL friendly;
jens@0: @property (readonly, getter=isUnfriendly) BOOL unfriendly;
jens@0: 
jens@0: /** Removes this Bit while running a explosion/fade-out animation */
jens@0: - (void) destroy;
jens@0: 
jens@0: @end