updated dc_carpet variation

FLAME FILE:

<flame name="updated dc_carpet BS" smooth_gradient="0" version="JWildfire V3.30 (21.12.2017)" size="1080 1080" center="-0.4619622801440984 0.44712862894681094" scale="526.66380000576" rotate="35.770290315744866" filter="0.75" filter_type="ADAPTIVE" filter_kernel="MITCHELL_SINEPOW" filter_indicator="0" filter_sharpness="4.0" filter_low_density="0.025" oversample="2" post_noise_filter="0" post_noise_filter_threshold="0.35" quality="100.0" background_type="GRADIENT_2X2_C" background_ul="0.0 0.0 0.0" background_ur="0.0 0.0 0.0" background_ll="0.0 0.0 0.0" background_lr="0.0 0.0 0.0" background_cc="0.0 0.0 0.0" bg_transparency="0" brightness="4.0" saturation="1.0" gamma="4.0" gamma_threshold="0.01" vibrancy="1.0" contrast="1.0" white_level="220.0" temporal_samples="1.0" cam_zoom="1.0" cam_pitch="-2.5691246589356527" cam_yaw="0.06283185307179587" cam_persp="0.0" cam_xfocus="0.0" cam_yfocus="0.0" cam_zfocus="0.0" cam_pos_x="0.0" cam_pos_y="0.0" cam_pos_z="0.0" cam_zpos="0.0" cam_dof="0.0" cam_dof_area="0.5" cam_dof_exponent="2.0" low_density_brightness="0.24" balancing_red="1.0" balancing_green="1.0" balancing_blue="1.0" cam_dof_shape="BUBBLE" cam_dof_scale="1.0" cam_dof_rotate="0.0" cam_dof_fade="1.0" preserve_z="1" antialias_amount="0.0" antialias_radius="0.0" post_symmetry_type="NONE" post_symmetry_order="3" post_symmetry_centre_x="0.0" post_symmetry_centre_y="0.0" post_symmetry_distance="1.25" post_symmetry_rotation="6.0" frame="1" frame_count="300" fps="30" post_blur_radius="0" post_blur_fade="0.95" post_blur_falloff="2.0" zbuffer_scale="1.0" sld_render_enabled="1" sld_render_ao_enabled="1" sld_render_ao_intensity="0.6" sld_render_ao_search_radius="4.0" sld_render_ao_blur_radius="1.5" sld_render_ao_radius_samples="6" sld_render_ao_azimuth_samples="7" sld_render_ao_falloff="0.5" sld_render_ao_affect_diffuse="0.1" sld_render_shadow_type="FAST" sld_render_shadow_smooth_radius="1.0" sld_render_shadowmap_size="2048" sld_render_shadowmap_bias="0.01" post_bokeh_filter_kernel="SINEPOW15" post_bokeh_intensity="0.005" post_bokeh_brightness="1.0" post_bokeh_size="2.0" post_bokeh_activation="0.2" sld_render_material_count="2" sld_render_material_diffuse0="0.14" sld_render_material_ambient0="1.52" sld_render_material_phong0="0.0634" sld_render_material_phong_size0="12.0" sld_render_material_phong_red0="1.0" sld_render_material_phong_green0="1.0" sld_render_material_phong_blue0="1.0" sld_render_material_refl_map_intensity0="0.5" sld_render_material_refl_map_filename0="" sld_render_material_refl_mappping0="BLINN_NEWELL" sld_render_material_light_diif_func0="COSA_SQUARE" sld_render_material_diffuse1="0.1" sld_render_material_ambient1="1.0" sld_render_material_phong1="0.6" sld_render_material_phong_size1="15.0" sld_render_material_phong_red1="1.0" sld_render_material_phong_green1="1.0" sld_render_material_phong_blue1="1.0" sld_render_material_refl_map_intensity1="0.5" sld_render_material_refl_map_filename1="" sld_render_material_refl_mappping1="BLINN_NEWELL" sld_render_material_light_diif_func1="COSA" sld_render_ligtht_count="2" sld_render_light_altitude0="-55.238" sld_render_light_azimuth0="264.762" sld_render_light_intensity0="1.0" sld_render_light_red0="1.0" sld_render_light_green0="1.0" sld_render_light_blue0="1.0" sld_render_light_shadows0="1" sld_render_light_shadow_intensity0="1.0" sld_render_light_altitude1="55.0" sld_render_light_azimuth1="-15.0" sld_render_light_intensity1="0.5" sld_render_light_red1="1.0" sld_render_light_green1="1.0" sld_render_light_blue1="1.0" sld_render_light_shadows1="0" sld_render_light_shadow_intensity1="0.7" mixer_mode="OFF">
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FCD3A3FCD5A6FCD7A9FCC99DFBB187FA9971F9B9FDE5A7FCD196FCBD84FBA873FAB27DDF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  </palette>
</flame>

JAVA CUSTOM code:

/*
  JWildfire - an image and animation processor written in Java
  Copyright (C) 1995-2011 Andreas Maschke

  This is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser
  General Public License as published by the Free Software Foundation; either version 2.1 of the
  License, or (at your option) any later version.

  This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License along with this software;
  if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jwildfire.create.tina.variation;

import static org.jwildfire.base.mathlib.MathLib.fabs;
import static org.jwildfire.base.mathlib.MathLib.fmod;

import org.jwildfire.create.tina.base.Layer;
import org.jwildfire.create.tina.base.XForm;
import org.jwildfire.create.tina.base.XYZPoint;

public class DCCarpetFunc extends VariationFunc {
	private static final long serialVersionUID = 1L;

	private static final String PARAM_ORIGIN = "origin";
	private static final String PARAM_COLOR_A = "color_a";
	private static final String PARAM_COLOR_B = "color_b";
	private static final String PARAM_COLOR_C = "color_c";
	private static final String PARAM_COLOR_D = "color_d";
	private static final String PARAM_COLOR_E = "color_e";
	private static final String PARAM_COLOR_F = "color_f";
	private static final String PARAM_STRETCH_X = "stretch_x";
	private static final String PARAM_STRETCH_Y = "stretch_y";
	private static final String PARAM_SCALE_X = "scale_x";
	private static final String PARAM_SCALE_Y = "scale_y";
	private static final String PARAM_SCALEZ = "scale_z";
	private static final String PARAM_OFFSETZ = "offset_z";
	private static final String PARAM_RESETZ = "reset_z";

	private static final String[] paramNames = { PARAM_ORIGIN, PARAM_COLOR_A, PARAM_COLOR_B, PARAM_COLOR_C,
			PARAM_COLOR_D, PARAM_COLOR_E, PARAM_COLOR_F, PARAM_STRETCH_X, PARAM_STRETCH_Y, PARAM_SCALE_X, PARAM_SCALE_Y,
			PARAM_SCALEZ, PARAM_OFFSETZ, PARAM_RESETZ };
	private double origin = 0.5;
	private double color_a = 0.5;
	private double color_b = 1.0;
	private double color_c = 1.0;
	private double color_d = 1.0;
	private double color_e = 0.5;
	private double color_f = 1.0;
	private double stretch_x = 1.0;
	private double stretch_y = 1.0;
	private double scale_x = 1.0;
	private double scale_y = 1.0;
	private double scale_z = 0.0;
	private double offset_z = 0.0;
	private double reset_z = 0.0;

	@Override
	public void transform(FlameTransformationContext pContext, XForm pXForm, XYZPoint pAffineTP, XYZPoint pVarTP,
			double pAmount) {
		/*
		 * dc_carpet by Xyrus02, http://apophysis-7x.org/extensions added variables by
		 * Brad Stefanov
		 */
		int x0 = (pContext.random() < 0.5) ? -1 : 1;
		int y0 = (pContext.random() > 0.5) ? -1 : 1;

		double x = pAffineTP.x + x0 * stretch_x, y = pAffineTP.y + y0 * stretch_y;
		double x0_xor_y0 = (double) (x0 ^ y0);
		double hh = -H + (color_b - x0_xor_y0) * H;

		pVarTP.x += pAmount * (pXForm.getXYCoeff00() * x + pXForm.getXYCoeff10() * y + pXForm.getXYCoeff20()) * scale_x;
		pVarTP.y += pAmount * (pXForm.getXYCoeff01() * x + pXForm.getXYCoeff11() * y + pXForm.getXYCoeff21()) * scale_y;
		pVarTP.color = fmod(fabs(pVarTP.color * color_a * (color_c + hh) + x0_xor_y0 * (color_d - hh) * color_e),
				color_f);

		if (pContext.isPreserveZCoordinate()) {
			pVarTP.z += pAmount * pAffineTP.z;
		}
		double dz = pVarTP.color * scale_z + offset_z;
		if (reset_z > 0) {
			pVarTP.z = dz;
		} else {
			pVarTP.z += dz;
		}
	}

	@Override
	public String[] getParameterNames() {
		return paramNames;
	}

	@Override
	public Object[] getParameterValues() {
		return new Object[] { origin, color_a, color_b, color_c, color_d, color_e, color_f, stretch_x, stretch_y,
				scale_x, scale_y, scale_z, offset_z, reset_z };
	}

	@Override
	public void setParameter(String pName, double pValue) {
		if (PARAM_ORIGIN.equalsIgnoreCase(pName)) {
			origin = pValue;
		} else if (PARAM_COLOR_A.equalsIgnoreCase(pName)) {
			color_a = pValue;
		} else if (PARAM_COLOR_B.equalsIgnoreCase(pName)) {
			color_b = pValue;
		} else if (PARAM_COLOR_C.equalsIgnoreCase(pName)) {
			color_c = pValue;
		} else if (PARAM_COLOR_D.equalsIgnoreCase(pName)) {
			color_d = pValue;
		} else if (PARAM_COLOR_E.equalsIgnoreCase(pName)) {
			color_e = pValue;
		} else if (PARAM_COLOR_F.equalsIgnoreCase(pName)) {
			color_f = pValue;
		} else if (PARAM_STRETCH_X.equalsIgnoreCase(pName)) {
			stretch_x = pValue;
		} else if (PARAM_STRETCH_Y.equalsIgnoreCase(pName)) {
			stretch_y = pValue;
		} else if (PARAM_SCALE_X.equalsIgnoreCase(pName)) {
			scale_x = pValue;
		} else if (PARAM_SCALE_Y.equalsIgnoreCase(pName)) {
			scale_y = pValue;
		} else if (PARAM_SCALEZ.equalsIgnoreCase(pName))
			scale_z = pValue;
		else if (PARAM_OFFSETZ.equalsIgnoreCase(pName))
			offset_z = pValue;
		else if (PARAM_RESETZ.equalsIgnoreCase(pName))
			reset_z = pValue;
		else {
			System.out.println("pName not recognized: " + pName);
			throw new IllegalArgumentException(pName);
		}
	}

	@Override
	public String getName() {
		return "dc_carpet";
	}

	private double H;

	@Override
	public void init(FlameTransformationContext pContext, Layer pLayer, XForm pXForm, double pAmount) {
		H = 0.1 * origin;

	}

}