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path: root/src/main/java/gregtech/api/gui/widgets/GT_GuiFakeItemButton.java
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package gregtech.api.gui.widgets;

import gregtech.api.interfaces.IGuiScreen;
import net.minecraft.client.Minecraft;
import net.minecraft.item.ItemStack;
import org.lwjgl.opengl.GL11;

import java.awt.*;

public class GT_GuiFakeItemButton implements IGuiScreen.IGuiElement {

    private final GT_GuiIcon bgIcon;
    private ItemStack item;
    private IGuiScreen gui;
    private int x0, y0, xPosition, yPosition;
    private int width, height;

    public GT_GuiFakeItemButton(IGuiScreen gui, int x, int y, GT_GuiIcon bgIcon) {
        this.gui = gui;
        this.x0 = x;
        this.y0 = y;
        this.bgIcon = bgIcon;
        item = null;
        width = 18;
        height = 18;
        gui.addElement(this);
    }

    public GT_GuiFakeItemButton setItem(ItemStack i) {
        item = i;
        return this;
    }

    public ItemStack getItem(){
        return item;
    }

    @Override
    public void onInit() {
        xPosition = x0 + gui.getGuiLeft();
        yPosition = y0 + gui.getGuiTop();
    }

    @Override
    public void draw(int mouseX, int mouseY, float parTicks) {
        GL11.glColor4f(1, 1, 1, 1);
        GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

        if (bgIcon != null){
            GT_GuiIcon.render(bgIcon, xPosition-1, yPosition-1, 18, 18,0,true);
        }

        if (item != null)
            gui.getItemRenderer().renderItemAndEffectIntoGUI(gui.getFontRenderer(), Minecraft.getMinecraft().getTextureManager(), item, xPosition, yPosition);

        GL11.glPopAttrib();
    }

    public Rectangle getBounds() {
        return new Rectangle(x0, y0, width, height);
    }
}