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//
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jens@10
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// Turn.m
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jens@10
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// YourMove
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jens@10
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//
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jens@10
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// Created by Jens Alfke on 7/3/08.
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jens@10
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// Copyright 2008 Jens Alfke. All rights reserved.
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//
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jens@10
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#import "Turn.h"
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#import "Game+Protected.h"
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#import "Player.h"
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NSString* const kTurnCompleteNotification = @"TurnComplete";
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@interface Turn ()
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@property (copy) NSString *move, *boardState;
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@property (retain) NSDate *date;
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@end
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@implementation Turn
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- (id) initWithPlayer: (Player*)player
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{
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NSParameterAssert(player!=nil);
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self = [super init];
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if (self != nil) {
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_game = player.game;
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_player = player;
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_status = kTurnEmpty;
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self.boardState = _game.latestTurn.boardState;
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}
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return self;
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}
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- (id) initStartOfGame: (Game*)game
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{
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NSParameterAssert(game!=nil);
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self = [super init];
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if (self != nil) {
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_game = game;
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_status = kTurnFinished;
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self.boardState = game.initialStateString;
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self.date = [NSDate date];
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}
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return self;
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}
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- (id) initWithCoder: (NSCoder*)decoder
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{
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self = [self init];
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if( self ) {
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_game = [decoder decodeObjectForKey: @"game"];
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_player = [decoder decodeObjectForKey: @"player"];
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_status = [decoder decodeIntForKey: @"status"];
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_move = [[decoder decodeObjectForKey: @"move"] copy];
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_boardState = [[decoder decodeObjectForKey: @"boardState"] copy];
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_date = [[decoder decodeObjectForKey: @"date"] copy];
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_comment = [[decoder decodeObjectForKey: @"comment"] copy];
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}
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return self;
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}
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- (void) encodeWithCoder: (NSCoder*)coder
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{
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[coder encodeObject: _game forKey: @"game"];
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[coder encodeObject: _player forKey: @"player"];
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[coder encodeInt: _status forKey: @"status"];
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[coder encodeObject: _move forKey: @"move"];
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[coder encodeObject: _boardState forKey: @"boardState"];
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[coder encodeObject: _date forKey: @"date"];
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[coder encodeObject: _comment forKey: @"comment"];
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}
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- (void) dealloc
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{
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[_move release];
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[_boardState release];
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[_date release];
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[_comment release];
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[super dealloc];
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}
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- (NSString*) description
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{
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return [NSString stringWithFormat: @"%@[%@, #%i, %@]", self.class, _game.class, self.turnNumber, _move];
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}
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@synthesize game=_game, player=_player, move=_move, boardState=_boardState, date=_date, comment=_comment,
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replaying=_replaying;
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- (unsigned) turnNumber {return [_game.turns indexOfObjectIdenticalTo: self];}
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- (BOOL) isLatestTurn {return _game.turns.lastObject == self;}
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- (Turn*) previousTurn {return [_game.turns objectAtIndex: self.turnNumber-1];}
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- (Player*) nextPlayer {return _player ?_player.nextPlayer :[_game.players objectAtIndex: 0];}
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- (TurnStatus) status {return _status;}
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- (void) setStatus: (TurnStatus)status
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{
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BOOL ok = NO;
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switch( _status ) {
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case kTurnEmpty:
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ok = (status==kTurnPartial) || (status==kTurnComplete);
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break;
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case kTurnPartial:
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ok = (status==kTurnEmpty) || (status==kTurnComplete) || (status==kTurnFinished);
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break;
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case kTurnComplete:
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ok = (status==kTurnEmpty) || (status==kTurnPartial) || (status==kTurnFinished);
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break;
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case kTurnFinished:
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break;
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}
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NSAssert2(ok,@"Illegal Turn status transition %i -> %i", _status,status);
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[self captureBoardState];
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_status = status;
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if( _status==kTurnEmpty ) {
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self.move = nil;
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self.date = nil;
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} else
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self.date = [NSDate date];
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}
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- (void) addToMove: (NSString*)move
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{
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if( ! _replaying ) {
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NSParameterAssert(move.length);
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NSAssert(_status<kTurnComplete,@"Complete Turn can't be modified");
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if( _move )
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move = [_move stringByAppendingString: move];
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self.move = move;
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[self captureBoardState];
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self.date = [NSDate date];
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if( _status==kTurnEmpty )
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self.status = kTurnPartial;
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}
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}
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- (void) captureBoardState
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{
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if( ! _replaying ) {
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NSAssert(_status<kTurnFinished,@"Finished Turn can't be modified");
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if( _game.board )
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self.boardState = _game.stateString;
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}
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}
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@end
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