PageButton.java

package com.arkcraft.module.core.client.gui.book.button;

import com.arkcraft.module.core.ARKCraft;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.util.ResourceLocation;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.lwjgl.opengl.GL11;

/**
 * @author BubbleTrouble
 */

public class PageButton extends GuiButton
{

    @SuppressWarnings("unused")
    private static final Logger logger = LogManager.getLogger();
    private static final ResourceLocation texture = new ResourceLocation(ARKCraft.MODID, "textures/gui/dino_book_left.png");
    private final boolean nextPage;

    public PageButton(int id, int x, int y, boolean nextPage)
    {
        super(id, x, y, 16, 11, "");
        this.nextPage = nextPage;
    }

    @Override
    public void drawButton(Minecraft mc, int mouseX, int mouseY)
    {
        if (this.visible)
        {
             /* boolean for hover */
            boolean hover = mouseX >= this.xPosition && mouseY >= this.yPosition && mouseX < this.xPosition + this.width && mouseY < this.yPosition + this.height;
            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
            mc.getTextureManager().bindTexture(texture);
            int x = 7;
            int y = 187;

            if (hover)
            {
                x += 16;
            }

            if (this.nextPage)
            {
                y += 11;
            }

            this.drawTexturedModalRect(this.xPosition, this.yPosition, x, y, 16, 11);
        }
    }
}