TimeController.java

package com.lucasdnd.ags.system;

import java.util.Calendar;

/**
 * Controls the time
 * @author tulio
 *
 */
public class TimeController {
	
	private long time;		// The time, in seconds, from 1990 to the current time
	private long timeInDay;	// The amount of time that passes inside one day
	
	private int currentHour;			// Current hour of day
	private int currentHourCache;	// Cache of the current day, to check the changes
	private boolean hourChanged;		// Indicates if the hour changed
	
	private int currentDay;			// Current day of month
	private int currentDayCache;		// Cache of the current hour, to check the changes
	private boolean dayChanged;		// Indicates if the day changed
	
	private int currentMonth;			// Current month of year
	private int currentMonthCache;		// Cache of the current month, to check the changes
	private boolean monthChanged;		// Indicates if the month changed
	
	public TimeController() {
		Calendar cal = Calendar.getInstance();
		cal.set(1990, 0, 1, 9, 0, 0);
		time = cal.getTimeInMillis();
		timeInDay = 0;
		
		// Time Changes
		currentHourCache = 9;
		currentDayCache = 1;
		currentMonthCache = 0;
		hourChanged = dayChanged = monthChanged = false;
	}
	
	/**
	 * Increase the simulation time
	 * @param delta
	 */
	public void passTime(int delta) {
		
		// Each second in real life is 1 hour in game
		// That means 10 seconds = 1 day (store is open 10 hours a day)
		// That means 5 minutes = 30 days
		// That means 1 hour = 1 year
		// That means 20 hours = 20 years, which is the average gameplay time
		long currentPass = (long)(delta * 60 * 60);
		
		// Update the time
		timeInDay += currentPass;
		time += currentPass;
		
		// Here we check if the time passed is larger than 10 hours. If so, we skip to the next day
		if(timeInDay >= 10 * 60 * 60 * 1000) {
			
			// Get the Overtime and subtract it later to prevent losing precision over time
			long overtime = timeInDay - (10 * 60 * 60 * 1000);
			
			timeInDay = 0;
			time -= overtime;
			time += 14 * 60 * 60 * 1000;
		}
		
		// Calendar to help checking for time changes
		Calendar calCheck = Calendar.getInstance();
		calCheck.setTimeInMillis(time);
		
		// Check if the Month changed
		currentMonth = calCheck.get(Calendar.MONTH);
		if(currentMonthCache != currentMonth) {
			currentMonthCache = currentMonth;
			monthChanged = true;
		} else {
			monthChanged = false;
		}
		
		// Check if the Day changed
		currentDay = calCheck.get(Calendar.DAY_OF_MONTH);
		if(currentDayCache != currentDay) {
			currentDayCache = currentDay;
			dayChanged = true;
		} else {
			dayChanged = false;
		}
		
		// Check if the Hour changed
		currentHour = calCheck.get(Calendar.HOUR_OF_DAY);
		if(currentHourCache != currentHour) {
			currentHourCache = currentHour;
			hourChanged = true;
		} else {
			hourChanged = false;
		}
	}
	
	public long getTime() {
		return time;
	}
	
	public void setTime(long time) {
		this.time = time;
	}

	public long getTimeInDay() {
		return timeInDay;
	}

	public void setTimeInDay(long timeInDay) {
		this.timeInDay = timeInDay;
	}

	public int getCurrentDay() {
		return currentDay;
	}

	public void setCurrentDay(int currentDay) {
		this.currentDay = currentDay;
	}

	public int getCurrentHour() {
		return currentHour;
	}

	public void setCurrentHour(int currentHour) {
		this.currentHour = currentHour;
	}

	public boolean isHourChanged() {
		return hourChanged;
	}

	public boolean isDayChanged() {
		return dayChanged;
	}

	public boolean isMonthChanged() {
		return monthChanged;
	}
}