readme.md

Stopwatch

放置ゲーとかでつかえるかもしれない…経過時間管理クラス
気晴らしに書いてみた(笑)

Stopwatch.cpp

#include "Stopwatch.h"

USING_NS_CC;
using namespace std;

#define StopwatchUDKeyStart "start-time"
#define StopwatchUDKeyElapsed "elapsed-time"

static Stopwatch *s_instande;

Stopwatch* Stopwatch::getInstance()
{
    if (! s_instande) {
        s_instande = new Stopwatch();
        s_instande->init();
    }
    return s_instande;
}

bool Stopwatch::init()
{
    m_startTime = UserDefault::getInstance()->getIntegerForKey(StopwatchUDKeyStart, 0);
    m_elapsedTime = UserDefault::getInstance()->getIntegerForKey(StopwatchUDKeyElapsed, 0);
    
    // 設定されていたらチェッカー再開
    if (m_startTime > 0 && m_elapsedTime > 0) {
        Director::getInstance()->getScheduler()->scheduleSelector(schedule_selector(Stopwatch::checker), this, 1.f, false);
    }
    
    return true;
}

void Stopwatch::start()
{
    startWithElapsedTime(0);
}

void Stopwatch::startWithElapsedTime(int elapsedTime)
{
    CCASSERT(! inProgress(), "計測中だよ！一旦stop()して！！");
    
    m_startTime = (int)time(NULL);
    m_elapsedTime = elapsedTime;
    saveUD();
    
    if (m_elapsedTime > 0) {
        Director::getInstance()->getScheduler()->scheduleSelector(schedule_selector(Stopwatch::checker), this, 1.f, false);
    }
}

int Stopwatch::diff()
{
    CCASSERT(inProgress(), "計測開始が記録されていないよ！");
    return (int)time(NULL) - m_startTime;
}

int Stopwatch::stop()
{
    Director::getInstance()->getScheduler()->unscheduleSelector(schedule_selector(Stopwatch::checker), this);
    
    int dif = diff();
    m_startTime = 0;
    m_elapsedTime = 0;
    saveUD();
    return dif;
}

bool Stopwatch::inProgress()
{
    return m_startTime > 0;
}

void Stopwatch::saveUD()
{
    UserDefault::getInstance()->setIntegerForKey(StopwatchUDKeyStart, m_startTime);
    UserDefault::getInstance()->setIntegerForKey(StopwatchUDKeyElapsed, m_elapsedTime);
    UserDefault::getInstance()->flush();
}

void Stopwatch::checker(float dt)
{
    if (m_elapsedTime > diff()) {
        return;
    }
    log("Stopwatch : call stop");
    NotificationCenter::getInstance()->postNotification(StopwatchNotificationPost);
}

Stopwatch.h

#include "cocos2d.h"

#define StopwatchNotificationPost "stopwatch-alerm"     // 通知名

class Stopwatch : public cocos2d::Object
{
    
public:
    Stopwatch() {}
    virtual ~Stopwatch() {}
    virtual bool init();
    static Stopwatch* getInstance();
    
    CC_SYNTHESIZE(int, m_startTime, StartTime);         // 計測開始のタイムスタンプ
    CC_SYNTHESIZE(int, m_elapsedTime, ElapsedTime);     // 経過秒数(通知条件指定)
    
    void start();                                       // 計測開始
    void startWithElapsedTime(int elapsedTime);         // 計測開始(通知条件セット)
    int diff();                                         // 現時点での経過秒数
    int stop();                                         // 計測終了
    bool inProgress();                                  // 計測中？
    
protected:
    
private:
    
    void saveUD();                                      // UserDefault保存処理
    void checker(float dt);                             // schedulerによる経過秒数チェック＆通知
    

};