cn.liutils.core.event.LIClientEvents.java Source code

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Here is the source code for cn.liutils.core.event.LIClientEvents.java

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/**
 * Copyright (c) Lambda Innovation, 2013-2015
 * ??Lambda Innovation
 * http://www.li-dev.cn/
 *
 * This project is open-source, and it is distributed under 
 * the terms of GNU General Public License. You can modify
 * and distribute freely as long as you follow the license.
 * ??GNU???
 * ????
 * http://www.gnu.org/licenses/gpl.html
 */
package cn.liutils.core.event;

import java.util.HashSet;
import java.util.Set;

import net.minecraftforge.client.event.RenderGameOverlayEvent;
import net.minecraftforge.client.event.RenderGameOverlayEvent.ElementType;

import org.lwjgl.opengl.GL11;

import cn.liutils.api.gui.AuxGui;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

/**
 * @author WeathFolD
 *
 */
@SideOnly(Side.CLIENT)
public class LIClientEvents {

    private static Set<AuxGui> auxGuiList = new HashSet<AuxGui>();

    public static void registerAuxGui(AuxGui gui) {
        auxGuiList.add(gui);
    }

    @SubscribeEvent
    public void drawHudEvent(RenderGameOverlayEvent event) {
        GL11.glDepthFunc(GL11.GL_ALWAYS);
        GL11.glDepthMask(false);
        GL11.glDisable(GL11.GL_ALPHA_TEST);
        if (event.type == ElementType.CROSSHAIRS) {
            for (AuxGui gui : auxGuiList) {
                if (gui.isOpen())
                    gui.draw(event.resolution);
            }
        }
        GL11.glEnable(GL11.GL_ALPHA_TEST);
        GL11.glDepthMask(true);
        GL11.glDepthFunc(GL11.GL_LEQUAL);
    }

    public static boolean hasForegroundGui() {
        for (AuxGui ag : auxGuiList) {
            if (ag.isOpen() && ag.isForeground())
                return true;
        }
        return false;
    }

}