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ChessClock.m
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ChessClock.m
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/*
Stockfish, a OS X GUI for the UCI chess engine with the same name.
Copyright (C) 2004-2011 Marco Costalba, Joona Kiiski, Tord Romstad
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import "ChessClock.h"
#import "position.h"
@implementation ChessClock
+(int)currentSystemTime {
return get_time();
}
+(NSString *)prettyTimeString:(int)msecs {
int seconds = msecs / 1000;
int minutes = seconds / 60;
int hours = minutes / 60;
char str[256], str2[10];
if(hours) {
sprintf(str, "%d:", hours);
if((minutes % 60) < 10) strcat(str, "0");
}
else
sprintf(str, "");
sprintf(str2, "%d:", minutes % 60);
if((seconds % 60) < 10) strcat(str2, "0");
strcat(str, str2);
sprintf(str2, "%d", seconds % 60);
strcat(str, str2);
return [NSString stringWithUTF8String: str];
}
-(id)initWithWhiteTime:(int)wtime
blackTime:(int)btime
whiteIncrement:(int)winc
blackIncrement:(int)binc {
[super init];
whiteInitialTime = wtime;
blackInitialTime = btime;
whiteIncrement = winc;
blackIncrement = binc;
whiteConsumedTime = blackConsumedTime = 0;
whiteAccumulatedIncrement = blackAccumulatedIncrement = 0;
isRunning = NO;
lastStartTime = 0;
whiteNumOfMoves = blackNumOfMoves = 0;
return self;
}
-(id)initWithTime:(int)time increment:(int)inc {
return [self initWithWhiteTime: time
blackTime: time
whiteIncrement: inc
blackIncrement: inc];
}
-(id)initWithWhiteTime:(int)wtime forMoves:(int)wNumOfMoves
blackTime:(int)btime forMoves:(int)bNumOfMoves {
[super init];
whiteInitialTime = wtime;
blackInitialTime = btime;
whiteNumOfMoves = whiteRemainingMoves = wNumOfMoves;
blackNumOfMoves = blackRemainingMoves = bNumOfMoves;
whiteIncrement = blackIncrement = 0;
return self;
}
-(id)initWithTime:(int)time forMoves:(int)numOfMoves {
return [self initWithWhiteTime: time forMoves: numOfMoves
blackTime: time forMoves: numOfMoves];
}
-(id)init {
return [self initWithTime: 300000 increment: 1000];
}
-(void)resetWithWhiteTime:(int)wtime
blackTime:(int)btime
whiteIncrement:(int)winc
blackIncrement:(int)binc {
whiteInitialTime = wtime;
blackInitialTime = btime;
whiteIncrement = winc;
blackIncrement = binc;
whiteConsumedTime = blackConsumedTime = 0;
whiteAccumulatedIncrement = blackAccumulatedIncrement = 0;
}
-(void)resetWithWhiteTime:(int)wtime
forMoves:(int)wNumOfMoves
blackTime:(int)btime
forMoves:(int)bNumOfMoves {
whiteInitialTime = wtime;
blackInitialTime = btime;
whiteNumOfMoves = whiteRemainingMoves = wNumOfMoves;
blackNumOfMoves = blackRemainingMoves = bNumOfMoves;
whiteIncrement = blackIncrement = 0;
}
-(BOOL)isRunning {
return isRunning;
}
-(int)whiteRemainingTime {
int result = whiteInitialTime - whiteConsumedTime + whiteAccumulatedIncrement;
if(isRunningForWhite)
result -= [ChessClock currentSystemTime] - lastStartTime;
if(result < 0) result = 0;
return result;
}
-(int)blackRemainingTime {
int result = blackInitialTime - blackConsumedTime + blackAccumulatedIncrement;
if(isRunningForBlack)
result -= [ChessClock currentSystemTime] - lastStartTime;
if(result < 0) result = 0;
return result;
}
-(NSString *)whiteRemainingTimeString {
return [ChessClock prettyTimeString: [self whiteRemainingTime]];
}
-(NSString *)blackRemainingTimeString {
return [ChessClock prettyTimeString: [self blackRemainingTime]];
}
-(int)whiteInitialTime {
return whiteInitialTime;
}
-(void)setWhiteInitialTime:(int)newTime {
whiteInitialTime = newTime;
whiteAccumulatedIncrement = 0;
}
-(int)blackInitialTime {
return blackInitialTime;
}
-(void)setBlackInitialTime:(int)newTime {
blackInitialTime = newTime;
blackAccumulatedIncrement = 0;
}
-(int)whiteIncrement {
return whiteIncrement;
}
-(void)setWhiteIncrement:(int)newIncrement {
whiteIncrement = newIncrement;
}
-(int)blackIncrement {
return blackIncrement;
}
-(void)setBlackIncrement:(int)newIncrement {
blackIncrement = newIncrement;
}
-(void)startClockForWhite {
if(!isRunning) {
lastStartTime = [ChessClock currentSystemTime];
isRunning = YES;
isRunningForWhite = YES;
isRunningForBlack = NO;
}
}
-(void)startClockForBlack {
if(!isRunning) {
lastStartTime = [ChessClock currentSystemTime];
isRunning = YES;
isRunningForWhite = NO;
isRunningForBlack = YES;
}
}
-(void)stopClock {
if(isRunning) {
[self pushClock];
isRunning = isRunningForWhite = isRunningForBlack = NO;
}
}
-(void)pushClock {
if(isRunning) {
int currentTime = [ChessClock currentSystemTime];
int consumedTime = currentTime - lastStartTime;
if(isRunningForWhite) {
whiteConsumedTime += consumedTime;
whiteAccumulatedIncrement += whiteIncrement;
if(whiteNumOfMoves) {
whiteRemainingMoves--;
if(whiteRemainingMoves == 0)
whiteAccumulatedIncrement += whiteInitialTime;
}
isRunningForWhite = NO;
isRunningForBlack = YES;
}
else {
blackConsumedTime += consumedTime;
blackAccumulatedIncrement += blackIncrement;
if(blackNumOfMoves) {
blackRemainingMoves--;
if(blackRemainingMoves == 0)
blackAccumulatedIncrement += blackInitialTime;
}
isRunningForWhite = YES;
isRunningForBlack = NO;
}
lastStartTime = currentTime;
}
}
-(void)addTimeForWhite:(int)msecs {
whiteInitialTime += msecs;
}
-(void)addTimeForBlack:(int)msecs {
blackInitialTime += msecs;
}
@end