code/third_party/vMaterials_2/Metal/Aging_Copper.mdl

/******************************************************************************
 *			 Copyright 2024 NVIDIA Corporation. All rights reserved.		  *
 ******************************************************************************

Permission is hereby granted by NVIDIA Corporation ("NVIDIA"), free of charge,
to any person obtaining a copy of the sample definition code that uses our
Material Definition Language (the "MDL Materials"), to reproduce and distribute
the MDL Materials, including without limitation the rights to use, copy, merge,
publish, distribute, and sell modified and unmodified copies of the MDL
Materials, and to permit persons to whom the MDL Materials is furnished to do
so, in all cases solely for use with NVIDIA's Material Definition Language,
subject to the following further conditions:

1. The above copyright notices, this list of conditions, and the disclaimer
that follows shall be retained in all copies of one or more of the MDL
Materials, including in any software with which the MDL Materials are bundled,
redistributed, and/or sold, and included either as stand-alone text files,
human-readable headers or in the appropriate machine-readable metadata fields
within text or binary files as long as those fields can be easily viewed by the
user, as applicable.
2. The name of NVIDIA shall not be used to promote, endorse or advertise any
Modified Version without specific prior written permission, except a) to comply
 with the notice requirements otherwise contained herein; or b) to acknowledge
the contribution(s) of NVIDIA.

THE MDL MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT,
TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL,
INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE
THE MDL MATERIALS OR FROM OTHER DEALINGS IN THE MDL MATERIALS.
*/

mdl 1.6;

import ::anno::*;
import ::base::*;
import ::math::*;
import ::state::*;
import ::tex::*;
import ::df::*;
import ::nvidia::core_definitions::*;
import ::nvidia::core_definitions::dimension;

const string DESCRIPTION = "Zinc material with optional oxidation effect";

const string COPYRIGHT =
" Copyright 2024 NVIDIA Corporation. All rights reserved.\n"
" MDL MATERIALS ARE PROVIDED PURSUANT TO AN END USER LICENSE  AGREEMENT,\n"
" WHICH WAS ACCEPTED IN ORDER TO GAIN ACCESS TO THIS FILE.  IN PARTICULAR,\n"
" THE MDL MATERIALS ARE PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n"
" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF\n"
" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF\n"
" COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL NVIDIA\n"
" CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY\n"
" GENERAL, SPECIAL,  INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN\n"
" AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR\n"
" INABILITY TO USE THE MDL MATERIALS OR FROM OTHER DEALINGS IN THE MDL MATERIALS.\n";


float2x2 invert_2x2(float2x2 M)
{
	float det = M[0][0]*M[1][1] - M[0][1]*M[1][0];
	//https://www.chilimath.com/lessons/advanced-algebra/inverse-of-a-2x2-matrix/
	return (1.0 / det) * float2x2(M[1][1], -M[0][1], -M[1][0], M[0][0]);
}

float uint2float(int x)
{
	return float(x & 0x7FFFFFFF) + (x < 0 ? 2147483648.0 : 0.0);
}

int lowbias32(int x)
{
	x ^= x >>> 16;
	x *= 0x7feb352d;
	x ^= x >>> 15;
	x *= 0x846ca68b;
	x ^= x >>> 16;
	return x;
}

float2 rnd22(int2 p) {
	float2 ret_val = float2(
		uint2float(lowbias32(p[0] + lowbias32(p[1]))) / 4294967296.f,
		uint2float(lowbias32(p[0] + 32000 + lowbias32(p[1]))) / 4294967296.f
	);
	return ret_val;
}

float3 srgb2rgb(float3 val)
{
	return ::math::pow(::math::max(val, float3(0.0f)), 2.2);
}

float3 nonrepeat_lookup(
	uniform texture_2d texture = texture_2d(),
	::base::texture_coordinate_info uvw = ::base::coordinate_source(),
	float texture_scale = 1.0,
	float3 average_color = float3(0.5),
	float patch_size = 8.0
)
{

	float2 uv_in = float2(uvw.position[0], uvw.position[1]) * texture_scale;
	float Z =  patch_size;	 // patch scale inside example texture
	float CON = 1.0f;

	float3 O = float3(0.f);
	float2x2 M0 = float2x2(1.f,0.f, 0.5f, ::math::sqrt(3.f)/2.f);
	float2x2 M = invert_2x2(M0); // transform matrix <-> tilted space

	float2 U = uv_in;
	float2 V = M * uv_in; //pre-tilted hexa coordinates
	int2 I = int2(::math::floor(V)); // hexa-tile id

	// The mean color needs to be determined in Photoshop then to make the
	// average color work out, take the float value and calculate the apropriate
	// mean value as (value^(1/2.2))

	float3 m = average_color;

	float3 F = float3(::math::frac(V)[0], ::math::frac(V)[1], 0.f), W;
	F[2] = 1.0 - F[0] - F[1]; // local hexa coordinates

	if( F[2] > 0.f )

		O = (W[0] = F[2]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I))) - m*float(CON))
		  + (W[1] = F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0,1)))) - m*float(CON))
		  + (W[2] = F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1,0)))) - m*float(CON));
	else
		O = (W[0] =	  -F[2]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1))))   - m*float(CON))
		  + (W[1] = 1.f - F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1, 0)))) - m*float(CON))
		  + (W[2] = 1.f - F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0, 1)))) - m*float(CON));
	O = m + O/::math::length(W);
	O = ::math::clamp( (O), 0.0, 1.0);

	return float3(O);
}

 float3 endless_normal(
	uniform texture_2d texture = texture_2d(),
	float factor = 1.0,
	bool flip_tangent_u = false,
	bool flip_tangent_v = false,
	::base::texture_coordinate_info uvw = ::base::coordinate_source(),
	float texture_scale = 1.0,
	float3 average_color = float3(0.5, 0.5, 1.0),
	float patch_size = 8.0
	//bool srgb2rgb = false,
	//bool rgb2srgb = false
)
{
	float3 transformed_tangent_u = flip_tangent_u ? uvw.tangent_u : - uvw.tangent_u;
	float3 transformed_tangent_v = flip_tangent_v ? uvw.tangent_v : - uvw.tangent_v;

	if (flip_tangent_u)
		transformed_tangent_u=-transformed_tangent_u;
	if (flip_tangent_v)
		transformed_tangent_v=-transformed_tangent_v;

	// normalized Lookup
	float3 tangent_space_normal =
		 (nonrepeat_lookup (
			texture: texture,
			uvw: uvw,
			texture_scale: texture_scale,
			average_color: average_color,
			patch_size: patch_size
		) - 0.5) * (2.0 * factor);


	 return ::math::normalize(uvw.tangent_u * tangent_space_normal.x +
		  uvw.tangent_v * tangent_space_normal.y +
		  ::state::normal()*1.0);
	//return ::state::normal();
}

 color endless_texture(
	uniform texture_2d texture = texture_2d(),
	::base::texture_coordinate_info uvw = ::base::coordinate_source(),
	float texture_scale = 10.0,
	float3 average_color = float3(0.5, 0.5, 1.0),
	float patch_size = 8.0,
	bool gamma_correct_lookup = true
)
{
	return gamma_correct_lookup ? color(srgb2rgb(
			nonrepeat_lookup (
				texture: texture,
				uvw: uvw,
				texture_scale: texture_scale,
				average_color: average_color,
				patch_size: patch_size
			))
		) : color(nonrepeat_lookup (
			texture: texture,
			uvw: uvw,
			texture_scale: texture_scale,
			average_color: average_color,
			patch_size: patch_size
		));
}

 float histogram_range(float input, float range = 1.0f, float position = 0.5f)
{
	float low = ::math::clamp(1.0 - ::math::min(((1.0 - position) + range * 0.5), (1.0 - position) * 2), 0.0, 1.0);
	float high = ::math::clamp(::math::min((position + range * 0.5 ), position * 2.0), 0.0, 1.0);
	return ::math::lerp(low, high, input);
}

::base::texture_coordinate_info transform_coordinate_2(
	float4x4 transform
		[[ ::anno::description("A transformation to be applied to the source coordinates. rotation_translation_scale() is a suggested means to compute the transformation matrix.") ]],
	::base::texture_coordinate_info coordinate = ::base::texture_coordinate_info()
		[[ ::anno::description("Coordinate, typically sourced from coordinate_source or coordinate_projection.") ]]
) [[
	::anno::description("Transform a texture coordinate by a matrix.") ,
	::anno::noinline()
  ]]
{
	// Version 2
	float4 r_position = transform * float4(coordinate.position.x,coordinate.position.y,coordinate.position.z,1);
	//Try aproximating it for the case that the rotation is only aroud z and assuming the texture layout is nice and z is ~constant.
	//just pretend there is no other rotation happening
	//get rid of scaling and translation. Then extract fields where sin and cos would be in a simple 2d transform around z.
	float4 u = transform[0];
	float3 ru = ::math::normalize(float3(u.x,u.y,u.z));
	float cos =  ru.x;
	float sin =  -ru.y;

	return ::base::texture_coordinate_info(
		float3(r_position.x,r_position.y,r_position.z),
		::math::normalize(cos * coordinate.tangent_u - sin * coordinate.tangent_v),
		::math::normalize(cos * coordinate.tangent_v + sin * coordinate.tangent_u));
}

::base::texture_coordinate_info vmat_transform(
								float2 translation = float2(0.0, 0.0),
								float rotation	 = 0.0,				// rotation in degrees
								float2 scaling	 = float2(1.0, 1.0),
								uniform ::base::texture_coordinate_system system = ::base::texture_coordinate_uvw,
								uniform int uv_space	   = 0
)
{
	float rotation_rad = (rotation * 3.1415926535897932384626433832f) / 180.f;
	float4x4 scale =
	float4x4(1.0 /scaling.x, 0.			 ,  0. ,	 0.,
			 0.			, 1.0 /scaling.y ,  0. ,	 0.,
			 0.			, 0.			 ,  1.0,	 0.,
			 translation.x , translation.y  ,  0.0,	 1.);

	float s = ::math::sin(rotation_rad);
	float c = ::math::cos(rotation_rad);
	float4x4 rotate =
	float4x4(  c  ,  -s   , 0.0 , 0.0,
			   s  ,   c   , 0.0 , 0.0,
			   0.0,   0.0 , 1.0 , 0.0,
			   0. ,   0.0 , 0.0 , 1.);

	return transform_coordinate_2(scale*rotate, ::base::coordinate_source(system, uv_space));
}

color gradient_lookup(uniform texture_2d gradient_texture, float position, int gradient_select = 0)
{
	int2 texel_coord = int2(int(position * ::tex::width(gradient_texture)), gradient_select);
	return color(::tex::texel_float3(gradient_texture, texel_coord));
}

float3 gradient_lookup_float3(uniform texture_2d gradient_texture, float position, int gradient_select = 0)
{
	int2 texel_coord = int2(int(position * ::tex::width(gradient_texture)), gradient_select);
	return float3(::tex::texel_float3(gradient_texture, texel_coord));
}

float3 normalmap_normal(
	uniform texture_2d texture,
	float factor = 1.0,
	::base::texture_coordinate_info uvw = ::base::texture_coordinate_info()
)
{
	float3 lookup = (::tex::lookup_float3(texture, float2(uvw.position.x, uvw.position.y)) - float3(0.5)) * (factor * 2.0);
	return ::math::normalize(uvw.tangent_u * lookup.x + uvw.tangent_v * lookup.y + ::state::normal() * (lookup.z + (1.0 - factor)));
}

export material Aging_Copper(
	uniform bool infinite_tiling = false [[
		::anno::description("Enables infinite tiling feature which removes repeating texture patterns. Note that depending on the material this feature changes the appearance of the material slightly."),
		::anno::display_name("Infinite Tiling"),
		::anno::in_group("Appearance"),
		::anno::ui_order(0)
	]],
	float age = 0.0f [[
		::anno::description("Ages the copper so that it transitions through all the states from brand new to covered by a lovely Patina."),
		::anno::display_name("Age"),
		::anno::in_group("Appearance"),
		::anno::hard_range(0.f, 1.f),
		::anno::ui_order(1)
	]],
	float age_variation = 0.5f [[
		::anno::description("Adds some more variation to the aging process, so that the surface ages less uniform."),
		::anno::display_name("Age Variation"),
		::anno::in_group("Appearance"),
		::anno::hard_range(0.f, 1.f),
		::anno::ui_order(2)
	]],
	float scratches_abrasion = 0.11f [[
		::anno::description("This parameter removes some of the aging process by simulating scratches and abrasion."),
		::anno::display_name("Scratches Abrasion"),
		::anno::in_group("Appearance"),
		::anno::hard_range(0.f, 1.f),
		::anno::ui_order(3)
	]],
	float drops_variation = 0.f [[
		::anno::description("Adds Water droplets that increase the effect of againg."),
		::anno::display_name("Drops Variation"),
		::anno::in_group("Appearance"),
		::anno::hard_range(0.f, 1.f),
		::anno::ui_order(4)
	]],
	float flow_stains_balance = 0.5f [[
		::anno::description("This parameter should be centered at 0.5 to have no effect. When below 0.5, the flows remove some of the aging process. When greater than 0.5, the stains add to the aging process."),
		::anno::display_name("Flow Stains Balance"),
		::anno::in_group("Appearance"),
		::anno::hard_range(0.f, 1.f),
		::anno::ui_order(5)
	]],
	float spotsdirt_amount = .26f [[
		::anno::description("Adds a layer of spots and dirt."),
		::anno::display_name("Spots Dirt Amount"),
		::anno::in_group("Appearance"),
		::anno::hard_range(0.f, 1.f),
		::anno::ui_order(6)
	]],
	float2 texture_translate = float2(0.f) [[
		::anno::description("Controls the position of the texture."),
		::anno::display_name("Texture Translate"),
		::anno::in_group("Transform"),
		::anno::ui_order(7)
	]],
	float texture_rotate = 0.f [[
		::anno::description("Rotates angle of the texture in degrees."),
		::anno::display_name("Texture Rotate"),
		::anno::in_group("Transform"),
		::anno::soft_range(0.f, 360.f),
		::anno::ui_order(8)
	]],
	float2 texture_scale = float2(1.f) [[
		::anno::description("Larger numbers increase the size."),
		::anno::display_name("Texture Scale"),
		::anno::in_group("Transform"),
		::nvidia::core_definitions::dimension(float2(1.0f, 1.0f)),
		::anno::ui_order(9)
	]],
	uniform bool roundcorners_enable = false [[
		::anno::description("Enables the round corner effect. Comes at a slight performance cost as additional raytracing calls are required to evaluate the round corner effect."),
		::anno::display_name("Enable Round Corners"),
		::anno::in_group("Round Corners"),
		::anno::ui_order(10)
	]],
	uniform float roundcorners_radius_mm = 1.5f [[
		::anno::description("Radius of the rounded corners in millimeters."),
		::anno::display_name("Round Corner Radius (mm)"),
		::anno::in_group("Round Corners"),
		::anno::soft_range(0.f, 10.f),
		::anno::ui_order(11)
	]],
	uniform bool roundcorners_across_materials = false [[
		::anno::description("Applies the round corner effect across different materials when enabled."),
		::anno::display_name("Across Materials"),
		::anno::in_group("Round Corners"),
		::anno::ui_order(12)
	]],
	uniform int uv_space_index = 0 [[
		::anno::description("Uses selected UV space for material."),
		::anno::display_name("UV Space Index"),
		::anno::in_group("Transform"),
		::anno::ui_order(13)
	]])
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Pretty New"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "design", "aec", "sanitary", "kitchen", "architecture", "new", "metallic", "shiny", "reflective", "warm")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper.png")
]]
 =
	let {
		bool tmp0 = false;
		material_surface tmp1(::df::weighted_layer(::math::pow(1.f - ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f), 2.6f), ::df::weighted_layer(gradient_lookup_float3(texture_2d("./textures/aging_copper_haze_weight.png", ::tex::gamma_linear), age, 0).x, ::df::microfacet_ggx_smith_bsdf(0.16f, 0.16f, gradient_lookup(texture_2d("./textures/aging_copper_gradient.png", ::tex::gamma_srgb), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f), 0), color(0.f, 0.f, 0.f), ::state::texture_tangent_u(0), ::df::scatter_reflect), ::df::weighted_layer(1.f, ::df::microfacet_ggx_smith_bsdf(::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), gradient_lookup(texture_2d("./textures/aging_copper_gradient.png", ::tex::gamma_srgb), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f), 0), color(0.f, 0.f, 0.f), ::state::texture_tangent_u(0), ::df::scatter_reflect), bsdf(), infinite_tiling ? endless_normal(texture_2d("./textures/aging_copper_norm.jpg", ::tex::gamma_linear), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), false, false, ::base::coordinate_source(::base::texture_coordinate_uvw, 0), 2.01f, float3(0.5f, 0.5f, 1.f), 2.02f) : normalmap_normal(texture_2d("./textures/aging_copper_norm.jpg", ::tex::gamma_linear), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), ::base::texture_coordinate_info(::state::texture_coordinate(0), ::state::texture_tangent_u(0), ::state::texture_tangent_v(0)))), ::state::normal()), ::df::custom_curve_layer(0.04f, 1.f, 5.f, 1.f, ::df::weighted_layer(gradient_lookup_float3(texture_2d("./textures/aging_copper_haze_weight.png", ::tex::gamma_linear), age, 0).x, ::df::microfacet_ggx_smith_bsdf(0.16f, 0.16f, gradient_lookup(texture_2d("./textures/aging_copper_gradient.png", ::tex::gamma_srgb), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f), 0), color(0.f, 0.f, 0.f), ::state::texture_tangent_u(0), ::df::scatter_reflect), ::df::weighted_layer(1.f, ::df::microfacet_ggx_smith_bsdf(::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), gradient_lookup(texture_2d("./textures/aging_copper_gradient.png", ::tex::gamma_srgb), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f), 0), color(0.f, 0.f, 0.f), ::state::texture_tangent_u(0), ::df::scatter_reflect), bsdf(), infinite_tiling ? endless_normal(texture_2d("./textures/aging_copper_norm.jpg", ::tex::gamma_linear), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), false, false, ::base::coordinate_source(::base::texture_coordinate_uvw, 0), 2.01f, float3(0.5f, 0.5f, 1.f), 2.02f) : normalmap_normal(texture_2d("./textures/aging_copper_norm.jpg", ::tex::gamma_linear), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), ::base::texture_coordinate_info(::state::texture_coordinate(0), ::state::texture_tangent_u(0), ::state::texture_tangent_v(0)))), ::state::normal()), ::df::weighted_layer(1.f, ::df::diffuse_reflection_bsdf(gradient_lookup(texture_2d("./textures/aging_copper_gradient.png", ::tex::gamma_srgb), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f), 0), 0.f), bsdf(), infinite_tiling ? endless_normal(texture_2d("./textures/aging_copper_norm.jpg", ::tex::gamma_linear), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), false, false, ::base::coordinate_source(::base::texture_coordinate_uvw, 0), 2.01f, float3(0.5f, 0.5f, 1.f), 2.02f) : normalmap_normal(texture_2d("./textures/aging_copper_norm.jpg", ::tex::gamma_linear), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), ::base::texture_coordinate_info(::state::texture_coordinate(0), ::state::texture_tangent_u(0), ::state::texture_tangent_v(0)))), infinite_tiling ? endless_normal(texture_2d("./textures/aging_copper_norm.jpg", ::tex::gamma_linear), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), false, false, ::base::coordinate_source(::base::texture_coordinate_uvw, 0), 2.01f, float3(0.5f, 0.5f, 1.f), 2.02f) : normalmap_normal(texture_2d("./textures/aging_copper_norm.jpg", ::tex::gamma_linear), ::math::clamp((flow_stains_balance - 0.5f) * 2.f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y + (::math::lerp(0.78f , 0.18f, age * 0.94f) * (drops_variation * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x) + (histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).x, age_variation * 0.5f, age * 0.94f * 0.95f) + float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z * (age * 0.94f * 0.39f + 0.05f) - scratches_abrasion * 0.32f * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y)) + spotsdirt_amount * float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.058f, 0.088f, 0.036f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_drops_G_flowstains_B_spotsdirt.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).z, 0.f, 0.999f) - float3(infinite_tiling ? endless_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.01f, float3(0.511f, 0.208f, 0.2f), 2.02f, false) : ::base::file_texture(texture_2d("./textures/aging_copper_multi_R_base_G_scratches_B_castmetal.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint).y * (age * 0.94f * scratches_abrasion), ::base::texture_coordinate_info(::state::texture_coordinate(0), ::state::texture_tangent_u(0), ::state::texture_tangent_v(0)))), ::state::normal()), material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance));
		material_surface tmp2 = material_surface(scattering: bsdf(), emission: material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance));
		color tmp3 = color(1.f, 1.f, 1.f);
		material_volume tmp4 = material_volume(scattering: vdf(), absorption_coefficient: color(0.f, 0.f, 0.f), scattering_coefficient: color(0.f, 0.f, 0.f));
		material_geometry tmp5(float3(0.f), 1.f, roundcorners_enable ? ::state::rounded_corner_normal(roundcorners_radius_mm * 0.00100000005f, roundcorners_across_materials, 1.f) : ::state::normal());
		hair_bsdf tmp6 = hair_bsdf();
	} in
		material(
			thin_walled: tmp0,
			surface: tmp1,
			backface: tmp2,
			ior: tmp3,
			volume: tmp4,
			geometry: tmp5,
			hair: tmp6);


// -------------------- 2 --------------------
export material Aging_Copper_State_2_of_12(*)
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Slight Drops"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "drops", "residue", "design", "aec", "sanitary", "kitchen", "architecture", "new", "metallic", "shiny", "reflective", "warm")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper_State_2_of_12.png")
]] = Aging_Copper
(
	infinite_tiling:		true,
	age:					0.02f,		
	age_variation:			0.51f,
	scratches_abrasion:		0.0f,
	drops_variation:		0.41f,
	flow_stains_balance:	0.48f,
	spotsdirt_amount:		0.0f,
	texture_translate:		float2(0.0f),
	texture_rotate:			0.0f,
	texture_scale:			float2(1.0f),
	roundcorners_enable:	false,
	roundcorners_radius_mm:	1.0f,
	roundcorners_across_materials: false,
	uv_space_index:			0
);


// -------------------- 3 --------------------
export material Aging_Copper_State_3_of_12(*)
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Initial Oxidation"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "oxide", "oxidized", "drops", "residue", "design", "aec", "sanitary", "kitchen", "architecture", "aged", "metallic", "shiny", "warm")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper_State_3_of_12.png")
]] = Aging_Copper
(
	infinite_tiling:		true,
	age:					0.15f,		
	age_variation:			0.47f,
	scratches_abrasion:		0.0f,
	drops_variation:		0.09f,
	flow_stains_balance:	0.52f,
	spotsdirt_amount:		0.17f,
	texture_translate:		float2(0.0f),
	texture_rotate:			0.0f,
	texture_scale:			float2(1.0f),
	roundcorners_enable:	false,
	roundcorners_radius_mm:	1.0f,
	roundcorners_across_materials: false,
	uv_space_index:			0
);

// -------------------- 4 --------------------
export material Aging_Copper_State_4_of_12(*)
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Worn Oxidation"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "oxide", "oxidized", "design", "aec", "sanitary", "kitchen", "architecture", "aged", "metallic", "matte", "warm")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper_State_4_of_12.png")
]] = Aging_Copper
(
	infinite_tiling:		true,
	age:					0.24f,		
	age_variation:			0.83f,
	scratches_abrasion:		0.66f,
	drops_variation:		0.09f,
	flow_stains_balance:	0.52f,
	spotsdirt_amount:		0.17f,
	texture_translate:		float2(0.0f),
	texture_rotate:			0.0f,
	texture_scale:			float2(1.0f),
	roundcorners_enable:	false,
	roundcorners_radius_mm:	1.0f,
	roundcorners_across_materials: false,
	uv_space_index:			0
);

// -------------------- 5 --------------------
export material Aging_Copper_State_5_of_12(*)
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Even Oxidation"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "oxide", "oxidized", "design", "aec", "sanitary", "kitchen", "architecture", "aged", "metallic", "matte", "warm")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper_State_5_of_12.png")
]] = Aging_Copper
(
	infinite_tiling:		true,
	age:					0.24f,		
	age_variation:			0.83f,
	scratches_abrasion:		0.0f,
	drops_variation:		0.09f,
	flow_stains_balance:	0.52f,
	spotsdirt_amount:		0.17f,
	texture_translate:		float2(0.0f),
	texture_rotate:			0.0f,
	texture_scale:			float2(1.0f),
	roundcorners_enable:	false,
	roundcorners_radius_mm:	1.0f,
	roundcorners_across_materials: false,
	uv_space_index:			0
);

// -------------------- 6 --------------------
export material Aging_Copper_State_6_of_12(*)
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Minimal Patina"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "oxide", "oxidized", "patina", "design", "aec", "sanitary", "kitchen", "architecture", "aged", "metallic", "matte", "warm")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper_State_6_of_12.png")
]] = Aging_Copper
(
	infinite_tiling:		true,
	age:					0.4f,		
	age_variation:			1.0f,
	scratches_abrasion:		0.63f,
	drops_variation:		0.48f,
	flow_stains_balance:	0.48f,
	spotsdirt_amount:		0.17f,
	texture_translate:		float2(0.0f),
	texture_rotate:			0.0f,
	texture_scale:			float2(1.0f),
	roundcorners_enable:	false,
	roundcorners_radius_mm:	1.0f,
	roundcorners_across_materials: false,
	uv_space_index:			0
);

// -------------------- 7 --------------------
export material Aging_Copper_State_7_of_12(*)
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Slight Patina"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "oxide", "oxidized", "patina", "design", "aec", "sanitary", "kitchen", "architecture", "aged", "metallic", "matte", "brown")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper_State_7_of_12.png")
]] = Aging_Copper
(
	infinite_tiling:		true,
	age:					0.4f,		
	age_variation:			1.0f,
	scratches_abrasion:		0.63f,
	drops_variation:		0.76f,
	flow_stains_balance:	0.91f,
	spotsdirt_amount:		1.0f,
	texture_translate:		float2(0.0f),
	texture_rotate:			0.0f,
	texture_scale:			float2(1.0f),
	roundcorners_enable:	false,
	roundcorners_radius_mm:	1.0f,
	roundcorners_across_materials: false,
	uv_space_index:			0
);

// -------------------- 8 --------------------
export material Aging_Copper_State_8_of_12(*)
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Medium Patina"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "oxide", "oxidized", "patina", "design", "aec", "sanitary", "kitchen", "architecture", "aged", "metallic", "matte", "brown")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper_State_8_of_12.png")
]] = Aging_Copper
(
	infinite_tiling:		true,
	age:					0.61f,		
	age_variation:			1.0f,
	scratches_abrasion:		0.85f,
	drops_variation:		0.48f,
	flow_stains_balance:	0.91f,
	spotsdirt_amount:		0.17f,
	texture_translate:		float2(0.0f),
	texture_rotate:			0.0f,
	texture_scale:			float2(1.0f),
	roundcorners_enable:	false,
	roundcorners_radius_mm:	1.0f,
	roundcorners_across_materials: false,
	uv_space_index:			0
);

// -------------------- 9 --------------------
export material Aging_Copper_State_9_of_12(*)
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Weathered Patina"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "oxide", "oxidized", "patina", "design", "aec", "sanitary", "kitchen", "architecture", "aged", "weathered", "metallic", "matte", "turquoise")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper_State_9_of_12.png")
]] = Aging_Copper
(
	infinite_tiling:		true,
	age:					0.91f,		
	age_variation:			1.0f,
	scratches_abrasion:		0.85f,
	drops_variation:		1.0f,
	flow_stains_balance:	0.0f,
	spotsdirt_amount:		0.76f,
	texture_translate:		float2(0.0f),
	texture_rotate:			0.0f,
	texture_scale:			float2(1.0f),
	roundcorners_enable:	false,
	roundcorners_radius_mm:	1.0f,
	roundcorners_across_materials: false,
	uv_space_index:			0
);

// -------------------- 10 --------------------
export material Aging_Copper_State_10_of_12(*)
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Strong Weathered Patina"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "oxide", "oxidized", "patina", "design", "aec", "sanitary", "kitchen", "architecture", "aged", "weathered", "rough", "metallic", "matte", "turquoise")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper_State_10_of_12.png")
]] = Aging_Copper
(
	infinite_tiling:		true,
	age:					0.91f,		
	age_variation:			1.0f,
	scratches_abrasion:		0.85f,
	drops_variation:		1.0f,
	flow_stains_balance:	0.5f,
	spotsdirt_amount:		0.76f,
	texture_translate:		float2(0.0f),
	texture_rotate:			0.0f,
	texture_scale:			float2(1.0f),
	roundcorners_enable:	false,
	roundcorners_radius_mm:	1.0f,
	roundcorners_across_materials: false,
	uv_space_index:			0
);

// -------------------- 11 --------------------
export material Aging_Copper_State_11_of_12(*)
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Strong Patina"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "oxide", "oxidized", "patina", "design", "aec", "sanitary", "kitchen", "architecture", "aged", "weathered", "rough", "metallic", "matte", "turquoise")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper_State_11_of_12.png")
]] = Aging_Copper
(
	infinite_tiling:		true,
	age:					0.91f,		
	age_variation:			1.0f,
	scratches_abrasion:		0.0f,
	drops_variation:		1.0f,
	flow_stains_balance:	0.5f,
	spotsdirt_amount:		0.0f,
	texture_translate:		float2(0.0f),
	texture_rotate:			0.0f,
	texture_scale:			float2(1.0f),
	roundcorners_enable:	false,
	roundcorners_radius_mm:	1.0f,
	roundcorners_across_materials: false,
	uv_space_index:			0
);

// -------------------- 12 --------------------
export material Aging_Copper_State_12_of_12(*)
[[
	::anno::description(DESCRIPTION),
	::anno::display_name("Aging copper - Pure Even Patina"),
	::anno::copyright_notice(COPYRIGHT),
	::anno::key_words(string[]("metal", "copper", "infinite", "tiling", "construction", "oxide", "oxidized", "patina", "design", "aec", "sanitary", "kitchen", "architecture", "aged", "weathered", "rough", "metallic", "matte", "turquoise")),
	::anno::author("NVIDIA vMaterials"),
	::anno::contributor("Maik Rohland"),
	::anno::contributor("Ruediger Raab"),
	::anno::thumbnail("./.thumbs/Aging_Copper.Aging_Copper_State_12_of_12.png")
]] = Aging_Copper
(
	infinite_tiling:		true,
	age:					1.0f,		
	age_variation:			0.0f,
	scratches_abrasion:		0.0f,
	drops_variation:		1.0f,
	flow_stains_balance:	0.5f,
	spotsdirt_amount:		0.0f,
	texture_translate:		float2(0.0f),
	texture_rotate:			0.0f,
	texture_scale:			float2(1.0f),
	roundcorners_enable:	false,
	roundcorners_radius_mm:	1.0f,
	roundcorners_across_materials: false,
	uv_space_index:			0
);