java source code of RenderUtils

/*
 * Copyright (C) 2017 - 2019 | Wurst-Imperium | All rights reserved.
 *
 * This source code is subject to the terms of the GNU General Public
 * License, version 3. If a copy of the GPL was not distributed with this
 * file, You can obtain one at: https://www.gnu.org/licenses/gpl-3.0.txt
 */
package net.wurstclient.forge.utils;

import org.lwjgl.opengl.GL11;

import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.Vec3d;
import net.wurstclient.forge.compatibility.WVec3d;

public final class RenderUtils
{
	public static void drawSolidBox(AxisAlignedBB bb)
	{
		GL11.glVertex3d(bb.minX, bb.minY, bb.minZ);
		GL11.glVertex3d(bb.maxX, bb.minY, bb.minZ);
		GL11.glVertex3d(bb.maxX, bb.minY, bb.maxZ);
		GL11.glVertex3d(bb.minX, bb.minY, bb.maxZ);
		
		GL11.glVertex3d(bb.minX, bb.maxY, bb.minZ);
		GL11.glVertex3d(bb.minX, bb.maxY, bb.maxZ);
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.maxZ);
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.minZ);
		
		GL11.glVertex3d(bb.minX, bb.minY, bb.minZ);
		GL11.glVertex3d(bb.minX, bb.maxY, bb.minZ);
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.minZ);
		GL11.glVertex3d(bb.maxX, bb.minY, bb.minZ);
		
		GL11.glVertex3d(bb.maxX, bb.minY, bb.minZ);
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.minZ);
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.maxZ);
		GL11.glVertex3d(bb.maxX, bb.minY, bb.maxZ);
		
		GL11.glVertex3d(bb.minX, bb.minY, bb.maxZ);
		GL11.glVertex3d(bb.maxX, bb.minY, bb.maxZ);
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.maxZ);
		GL11.glVertex3d(bb.minX, bb.maxY, bb.maxZ);
		
		GL11.glVertex3d(bb.minX, bb.minY, bb.minZ);
		GL11.glVertex3d(bb.minX, bb.minY, bb.maxZ);
		GL11.glVertex3d(bb.minX, bb.maxY, bb.maxZ);
		GL11.glVertex3d(bb.minX, bb.maxY, bb.minZ);
	}
	
	public static void drawOutlinedBox(AxisAlignedBB bb)
	{
		GL11.glVertex3d(bb.minX, bb.minY, bb.minZ);
		GL11.glVertex3d(bb.maxX, bb.minY, bb.minZ);
		
		GL11.glVertex3d(bb.maxX, bb.minY, bb.minZ);
		GL11.glVertex3d(bb.maxX, bb.minY, bb.maxZ);
		
		GL11.glVertex3d(bb.maxX, bb.minY, bb.maxZ);
		GL11.glVertex3d(bb.minX, bb.minY, bb.maxZ);
		
		GL11.glVertex3d(bb.minX, bb.minY, bb.maxZ);
		GL11.glVertex3d(bb.minX, bb.minY, bb.minZ);
		
		GL11.glVertex3d(bb.minX, bb.minY, bb.minZ);
		GL11.glVertex3d(bb.minX, bb.maxY, bb.minZ);
		
		GL11.glVertex3d(bb.maxX, bb.minY, bb.minZ);
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.minZ);
		
		GL11.glVertex3d(bb.maxX, bb.minY, bb.maxZ);
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.maxZ);
		
		GL11.glVertex3d(bb.minX, bb.minY, bb.maxZ);
		GL11.glVertex3d(bb.minX, bb.maxY, bb.maxZ);
		
		GL11.glVertex3d(bb.minX, bb.maxY, bb.minZ);
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.minZ);
		
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.minZ);
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.maxZ);
		
		GL11.glVertex3d(bb.maxX, bb.maxY, bb.maxZ);
		GL11.glVertex3d(bb.minX, bb.maxY, bb.maxZ);
		
		GL11.glVertex3d(bb.minX, bb.maxY, bb.maxZ);
		GL11.glVertex3d(bb.minX, bb.maxY, bb.minZ);
	}
	
	public static void drawNode(AxisAlignedBB bb)
	{
		double midX = (bb.minX + bb.maxX) / 2;
		double midY = (bb.minY + bb.maxY) / 2;
		double midZ = (bb.minZ + bb.maxZ) / 2;
		
		GL11.glVertex3d(midX, midY, bb.maxZ);
		GL11.glVertex3d(bb.minX, midY, midZ);
		
		GL11.glVertex3d(bb.minX, midY, midZ);
		GL11.glVertex3d(midX, midY, bb.minZ);
		
		GL11.glVertex3d(midX, midY, bb.minZ);
		GL11.glVertex3d(bb.maxX, midY, midZ);
		
		GL11.glVertex3d(bb.maxX, midY, midZ);
		GL11.glVertex3d(midX, midY, bb.maxZ);
		
		GL11.glVertex3d(midX, bb.maxY, midZ);
		GL11.glVertex3d(bb.maxX, midY, midZ);
		
		GL11.glVertex3d(midX, bb.maxY, midZ);
		GL11.glVertex3d(bb.minX, midY, midZ);
		
		GL11.glVertex3d(midX, bb.maxY, midZ);
		GL11.glVertex3d(midX, midY, bb.minZ);
		
		GL11.glVertex3d(midX, bb.maxY, midZ);
		GL11.glVertex3d(midX, midY, bb.maxZ);
		
		GL11.glVertex3d(midX, bb.minY, midZ);
		GL11.glVertex3d(bb.maxX, midY, midZ);
		
		GL11.glVertex3d(midX, bb.minY, midZ);
		GL11.glVertex3d(bb.minX, midY, midZ);
		
		GL11.glVertex3d(midX, bb.minY, midZ);
		GL11.glVertex3d(midX, midY, bb.minZ);
		
		GL11.glVertex3d(midX, bb.minY, midZ);
		GL11.glVertex3d(midX, midY, bb.maxZ);
	}
	
	public static void drawArrow(Vec3d from, Vec3d to)
	{
		double startX = WVec3d.getX(from);
		double startY = WVec3d.getY(from);
		double startZ = WVec3d.getZ(from);
		
		double endX = WVec3d.getX(to);
		double endY = WVec3d.getY(to);
		double endZ = WVec3d.getZ(to);
		
		GL11.glPushMatrix();
		
		GL11.glBegin(GL11.GL_LINES);
		GL11.glVertex3d(startX, startY, startZ);
		GL11.glVertex3d(endX, endY, endZ);
		GL11.glEnd();
		
		GL11.glTranslated(endX, endY, endZ);
		GL11.glScaled(0.1, 0.1, 0.1);
		
		double angleX = Math.atan2(endY - startY, startZ - endZ);
		GL11.glRotated(Math.toDegrees(angleX) + 90, 1, 0, 0);
		
		double angleZ = Math.atan2(endX - startX,
			Math.sqrt(Math.pow(endY - startY, 2) + Math.pow(endZ - startZ, 2)));
		GL11.glRotated(Math.toDegrees(angleZ), 0, 0, 1);
		
		GL11.glBegin(GL11.GL_LINES);
		GL11.glVertex3d(0, 2, 1);
		GL11.glVertex3d(-1, 2, 0);
		
		GL11.glVertex3d(-1, 2, 0);
		GL11.glVertex3d(0, 2, -1);
		
		GL11.glVertex3d(0, 2, -1);
		GL11.glVertex3d(1, 2, 0);
		
		GL11.glVertex3d(1, 2, 0);
		GL11.glVertex3d(0, 2, 1);
		
		GL11.glVertex3d(1, 2, 0);
		GL11.glVertex3d(-1, 2, 0);
		
		GL11.glVertex3d(0, 2, 1);
		GL11.glVertex3d(0, 2, -1);
		
		GL11.glVertex3d(0, 0, 0);
		GL11.glVertex3d(1, 2, 0);
		
		GL11.glVertex3d(0, 0, 0);
		GL11.glVertex3d(-1, 2, 0);
		
		GL11.glVertex3d(0, 0, 0);
		GL11.glVertex3d(0, 2, -1);
		
		GL11.glVertex3d(0, 0, 0);
		GL11.glVertex3d(0, 2, 1);
		GL11.glEnd();
		
		GL11.glPopMatrix();
	}
}