RenderBox.java

package com.tehbeard.forge.schematic.shell;

import net.minecraft.client.Minecraft;
import net.minecraftforge.client.event.RenderWorldLastEvent;
import net.minecraftforge.event.ForgeSubscribe;

import org.lwjgl.opengl.GL11;

import cpw.mods.fml.client.FMLClientHandler;

public class RenderBox{

    @ForgeSubscribe
    public void renderWorldLastEvent(RenderWorldLastEvent evt)
    {
        Minecraft mc = FMLClientHandler.instance().getClient();
    double doubleX = mc.thePlayer.posX - 0.5;
    double doubleY = mc.thePlayer.posY + 0.1;
    double doubleZ = mc.thePlayer.posZ - 0.5;

    GL11.glPushMatrix();
    GL11.glTranslated(-doubleX, -doubleY, -doubleZ);
    GL11.glColor3ub((byte)255,(byte)0,(byte)0);
    GL11.glLineWidth(5.0f);
    float mx = 8.5f;
    float my = 9;
    float mz = 8.5f;
    GL11.glBegin(GL11.GL_LINE_LOOP);
    GL11.glVertex3f(mx,my,mz);
    GL11.glVertex3f(mx+1,my,mz);
    GL11.glVertex3f(mx+1,my,mz+1);
    GL11.glVertex3f(mx,my,mz+1);
    GL11.glVertex3f(mx,my,mz);
    GL11.glEnd();
    GL11.glPopMatrix();
    }

}