package electroblob.wizardry.client;

import electroblob.wizardry.Wizardry;
import electroblob.wizardry.util.WizardryUtilities;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

@SideOnly(Side.CLIENT)
class GuiButtonTurnPage extends GuiButton {

    /** True for pointing right (next page), false for pointing left (previous page). */
    private final boolean nextPage;
    
    private static final ResourceLocation texture = new ResourceLocation(Wizardry.MODID, "textures/gui/handbook.png");

    public GuiButtonTurnPage(int id, int x, int y, boolean isNextPage)
    {
        super(id, x, y, 23, 13, "");
        this.nextPage = isNextPage;
    }

	/**
     * Draws this button to the screen.
     */
    public void drawButton(Minecraft par1Minecraft, int par2, int par3)
    {
        if (this.visible)
        {
            boolean flag = par2 >= this.xPosition && par3 >= this.yPosition && par2 < this.xPosition + this.width && par3 < this.yPosition + this.height;
            GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
            par1Minecraft.getTextureManager().bindTexture(texture);
            int k = 0;
            int l = 192;

            if (flag)
            {
                k += 23;
            }

            if (!this.nextPage)
            {
                l += 13;
            }

            WizardryUtilities.drawTexturedRect(this.xPosition, this.yPosition, k, l, 23, 13, 288, 256);
        }
    }
}