gistfile1.java

package net.minecraft.src;

import org.lwjgl.opengl.GL11;

import net.minecraft.client.Minecraft;
import de.matthiasmann.twl.GUI;
import de.matthiasmann.twl.Widget;

public class WidgetItem2DRender extends Widget {
	
	private static RenderItem renderer = new RenderItem();
	
	private int renderID;
	public WidgetItem2DRender()
	{
		setRenderID(0);
	}
	
	public WidgetItem2DRender(int renderID)
	{
		setRenderID(renderID);
	}
	
	protected void paintWidget(GUI gui)
	{
		
		Minecraft minecraft = ModSettings.getMcinst();
		
		int maxWidth = getInnerWidth();
		int maxHeight = getInnerHeight();
		int size = 0;
		if(maxWidth > maxHeight)
		{
			size = maxHeight;
		}
		else
		{
			size = maxWidth;
		}
		
		int x = ((maxWidth - size) / 2) + this.getX();
		int y = ((maxHeight - size) / 2) + this.getY();
		
		float scale = size / 16f;
		
		x /= scale;
		y /= scale;
		
		if(minecraft == null || Item.itemsList[getRenderID()] == null)
		{
			// draw black or something? Maybe NULL?
			return;
		}
		
		GL11.glPushMatrix();
		GL11.glDisable(3042 /*GL_BLEND*/ /* GL_BLEND */);
		GL11.glEnable(32826 /*GL_RESCALE_NORMAL_EXT*/ /* GL_RESCALE_NORMAL_EXT */);
		RenderHelper.enableStandardItemLighting();
		GL11.glScalef(scale, scale, scale);
		ItemStack stack = new ItemStack(getRenderID(), 1, 0);
		renderer.renderItemIntoGUI(minecraft.fontRenderer,
				minecraft.renderEngine, stack,x,y);
		renderer.renderItemOverlayIntoGUI(minecraft.fontRenderer,minecraft.renderEngine, stack,x,y);
		
		RenderHelper.disableStandardItemLighting();
		GL11.glDisable(32826 /*GL_RESCALE_NORMAL_EXT*/ /* GL_RESCALE_NORMAL_EXT */);
		GL11.glPopMatrix();
	}
	
	public int getRenderID() {
		return renderID;
	}
	public void setRenderID(int renderID) {
		this.renderID = renderID;
		setMinSize(16, 16);
		setTheme("/progressbar");
	}
}