Game class now tracks board state and moves, as strings, and can step through its history.
Fixed another bug in Go (you could drag your captured stones back to the board!)
1 /* This code is based on Apple's "GeekGameBoard" sample code, version 1.0.
2 http://developer.apple.com/samplecode/GeekGameBoard/
3 Copyright © 2007 Apple Inc. Copyright © 2008 Jens Alfke. All Rights Reserved.
5 Redistribution and use in source and binary forms, with or without modification, are permitted
6 provided that the following conditions are met:
8 * Redistributions of source code must retain the above copyright notice, this list of conditions
9 and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright notice, this list of
11 conditions and the following disclaimer in the documentation and/or other materials provided
12 with the distribution.
14 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
15 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
16 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
17 BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
19 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
20 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
21 THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 #import "DemoBoardView.h"
25 #import "GGBTextLayer.h"
26 #import "QuartzUtils.h"
29 /** WARNING: THIS CODE REQUIRES GARBAGE COLLECTION!
30 ** This sample application uses Objective-C 2.0 garbage collection.
31 ** Therefore, the source code in this file does NOT perform manual object memory management.
32 ** If you reuse any of this code in a process that isn't garbage collected, you will need to
33 ** add all necessary retain/release/autorelease calls, and implement -dealloc methods,
34 ** otherwise unpleasant leakage will occur!
38 @implementation DemoBoardView
41 /** Class names of available games */
42 static NSString* const kMenuGameNames[] = {@"KlondikeGame", @"CheckersGame", @"HexchequerGame",
43 @"TicTacToeGame", @"GoGame"};
45 /** Class name of the current game. */
46 static NSString* sCurrentGameName = @"CheckersGame";
49 - (void) startGameNamed: (NSString*)gameClassName
51 [super startGameNamed: gameClassName];
53 Game *game = self.game;
54 [game addObserver: self
55 forKeyPath: @"currentPlayer"
56 options: NSKeyValueObservingOptionInitial
58 [game addObserver: self
63 self.window.title = [(id)[game class] displayName];
67 - (CGRect) gameBoardFrame
69 CGRect bounds = [super gameBoardFrame];
70 bounds.size.height -= 32; // Leave room for headline
71 return CGRectInset(bounds,4,4);
79 [self registerForDraggedTypes: [NSImage imagePasteboardTypes]];
80 [self registerForDraggedTypes: [NSArray arrayWithObject: NSFilenamesPboardType]];
82 CGRect bounds = self.layer.bounds;
83 self.layer.backgroundColor = GetCGPatternNamed(@"Background.png");
85 bounds.size.height -= 32;
86 _headline = [GGBTextLayer textLayerInSuperlayer: self.layer
89 alignment: kCALayerWidthSizable | kCALayerMinYMargin];
91 [self startGameNamed: sCurrentGameName];
93 [_turnSlider bind: @"value" toObject: self withKeyPath: @"game.currentTurn" options: nil];
97 - (void) startGameFromMenu: (id)sender
99 sCurrentGameName = kMenuGameNames[ [sender tag] ];
100 [self startGameNamed: sCurrentGameName];
104 - (void)observeValueForKeyPath:(NSString *)keyPath
106 change:(NSDictionary *)change
107 context:(void *)context
109 Game *game = self.game;
110 if( object == game ) {
111 NSLog(@"maxTurn = %u, currentTurn=%u", self.game.maxTurn,self.game.currentTurn);
112 _turnSlider.maxValue = self.game.maxTurn;
113 _turnSlider.numberOfTickMarks = self.game.maxTurn+1;
115 Player *p = game.winner;
118 [[NSSound soundNamed: @"Sosumi"] play];
119 msg = @"%@ wins! Congratulations!";
121 p = game.currentPlayer;
122 msg = @"Your turn, %@";
123 NSLog(@"Game state = '%@'", self.game.stateString);
125 _headline.string = [NSString stringWithFormat: msg, p.name];
130 - (IBAction) enterFullScreen: (id)sender
132 [super enterFullScreen: sender];
133 [self startGameNamed: sCurrentGameName]; // restart game so it'll use the new size
138 #pragma mark NSAPPLICATION DELEGATE:
141 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender