xilef11.mc.realtimeclock.client.gui.Clock.java Source code

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Here is the source code for xilef11.mc.realtimeclock.client.gui.Clock.java

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/**
 *  the Real-Time Clock mod adds the system time to the Minecraft HUD.
 *  Copyright (C) 2015  Xilef11
 *  Licensed under the GNU General Public License version 3
 *
 *  File created by Xilef11 on 2015-04-19
 */
package xilef11.mc.realtimeclock.client.gui;

import static xilef11.mc.realtimeclock.handler.ConfigurationHandler.clockScale;

import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;

import net.minecraft.client.Minecraft;

import org.lwjgl.opengl.GL11;

import xilef11.mc.realtimeclock.handler.ConfigurationHandler;
import xilef11.mc.realtimeclock.utilities.RenderingPosHelper;

/**
 * @author Xilef11
 *
 */
public class Clock {
    private static boolean enabled = true;

    public static void toggleEnabled() {
        enabled = !enabled;
    }

    public static boolean isEnabled() {
        return enabled;
    }

    /** Do we want to show the clock
     * @return true to show the clock
     */
    public static boolean doesRender(Minecraft mc) {
        //when to render
        //render only if currently playing
        if (mc.theWorld == null)
            return false;
        //if(ConfigurationHandler.showPause && mc.currentScreen instanceof net.minecraft.client.gui.GuiIngameMenu)return true;
        if (!enabled)
            return false;
        return true;
    }

    //debugging
    //private static int numTicks=0;
    /**Draw the Time
     * 
     */
    public static void draw(Minecraft mc) {
        //get the correct position and scale TODO this should only be done when the config changes or the window is resized
        int xPos = RenderingPosHelper.getXPosByScreenSize(mc, ConfigurationHandler.clockPosX);
        int yPos = RenderingPosHelper.getYPosByScreenSize(mc, ConfigurationHandler.clockPosY);
        //draw the time
        GL11.glPushMatrix();
        GL11.glScalef(clockScale, clockScale, 1);
        //fix for the weirdness in the achievements GUI
        boolean lightingState = GL11.glIsEnabled(GL11.GL_LIGHTING);//get the current state
        if (lightingState)
            GL11.glDisable(GL11.GL_LIGHTING);//we need this off
        //actually draw the time
        mc.fontRendererObj.drawString(getTimeString(mc), Math.round(xPos / clockScale),
                Math.round(yPos / clockScale), ConfigurationHandler.color, ConfigurationHandler.drawShadow);
        if (lightingState)
            GL11.glEnable(GL11.GL_LIGHTING);//if it was on, turn it back on.
        GL11.glPopMatrix();
    }

    /** returns a String with the current time according to config options
     * @Param mc the instance of Minecraft, required to get the localization
     * @return the current time as a String
     */
    private static String getTimeString(Minecraft mc) {
        // get the time TODO we should move away from Calendar eventually
        Calendar time = Calendar.getInstance(TimeZone.getDefault(),
                Locale.forLanguageTag(mc.gameSettings.language));
        //get the hour depending on the time format to use
        int hour;
        if (ConfigurationHandler.use24hours) {
            hour = time.get(Calendar.HOUR_OF_DAY);
        } else {
            hour = time.get(Calendar.HOUR);
        }
        int minute = time.get(Calendar.MINUTE);
        //make sure the minutes have 2 digits
        String minuteS = minute < 10 ? "0" + minute : String.valueOf(minute);
        return hour + " : " + minuteS;
    }

    /** should the string shadow be rendered? depends on the config and current GUI
     * 
     * @param mc
     * @return
     */
    private static boolean drawShadow(Minecraft mc) {
        //don't draw the shadow if the config says we shouldn't
        if (!ConfigurationHandler.drawShadow)
            return false;
        //don't draw the shadow in menus to avoid bugs (i.e achievements gui...)
        //if(mc.currentScreen != null) return false;
        return true;
    }
}