SDKs Headshot code

protected int checkHeadshot(MovingObjectPosition var1, Vec3D var2, int var3)
    {
        Render var4 = RenderManager.instance.getEntityClassRenderObject(var1.entityHit.getClass());

        if (var4 instanceof RenderLiving)
        {
            RenderLiving var5 = (RenderLiving)var4;
            float var6 = 0.0F;
            ModelBox var8;
            ModelBox var9;

            if (var5.mainModel instanceof ModelBiped)
            {
                ModelBiped var7 = (ModelBiped)var5.mainModel;
                var8 = (ModelBox)var7.bipedHead.cubeList.get(0);
                var9 = (ModelBox)var7.bipedRightLeg.cubeList.get(0);
                var6 = (var8.posY2 - var8.posY1) / (var9.posY2 + var7.bipedRightLeg.rotationPointY - (var8.posY1 + var7.bipedHead.rotationPointY));
            }
            else if (var5.mainModel instanceof ModelCreeper)
            {
                ModelCreeper var13 = (ModelCreeper)var5.mainModel;
                var8 = (ModelBox)var13.head.cubeList.get(0);
                var9 = (ModelBox)var13.leg1.cubeList.get(0);
                var6 = (var8.posY2 - var8.posY1) / (var9.posY2 + var13.leg1.rotationPointY - (var8.posY1 + var13.head.rotationPointY));
            }

            if (var6 > 0.0F)
            {
                double var14 = var1.entityHit.boundingBox.maxY;
                double var15 = var1.entityHit.boundingBox.minY;
                double var11 = var14 - var15;

                if (var2.yCoord > var14 - var11 * (double)var6)
                {
                    var3 = Math.round((float)var3 * this.headshotMultiplier);
                }
            }
        }

        return var3;
    }