countdowntimerms.java

J2ME的游戏原代码!希望能帮助有需要帮助的师兄弟们！

package com.centerscore.game;

class CountdownTimerMS {

    private boolean m_bPaused;


    void startTimer(long timeMS) {
        m_originalMS = timeMS;
        m_longStartTimeMS = System.currentTimeMillis();
        m_endTimeMS = m_longStartTimeMS + m_originalMS;
        m_bPaused = false;
    }

    void pauseTimer() {
        if (m_bPaused || isOver()) return; //this prevents multiple calls to pauseTimer from advancing time
        m_longElapsedTimeMS = System.currentTimeMillis() - m_longStartTimeMS;
        m_bPaused = true;
    }


    void restartTimer() {
        if (m_bPaused) {
            m_longStartTimeMS = System.currentTimeMillis() - m_longElapsedTimeMS;
            m_endTimeMS = m_longStartTimeMS + m_originalMS;
            m_bPaused=false;
        }
    }

    long elapsedTimeMS() {
        if (m_bPaused) return m_longElapsedTimeMS;
        return System.currentTimeMillis() - m_longStartTimeMS;
    }

    boolean isOver() {
        if (m_bPaused) return false;
        return System.currentTimeMillis() > m_endTimeMS;
    }

    long timeLeft() {
        return m_originalMS - elapsedTimeMS();
    }

    private long m_longElapsedTimeMS;
    private long m_longStartTimeMS;
    private long m_originalMS;
    private long m_endTimeMS;
}