mirror of
https://github.com/godotengine/godot.git
synced 2024-12-27 11:24:59 +08:00
236 lines
9.5 KiB
C++
236 lines
9.5 KiB
C++
/**************************************************************************/
|
|
/* test_noise_texture_3d.h */
|
|
/**************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/**************************************************************************/
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/**************************************************************************/
|
|
|
|
#ifndef TEST_NOISE_TEXTURE_3D_H
|
|
#define TEST_NOISE_TEXTURE_3D_H
|
|
|
|
#include "../noise_texture_3d.h"
|
|
|
|
#include "tests/test_macros.h"
|
|
|
|
namespace TestNoiseTexture3D {
|
|
|
|
class NoiseTexture3DTester : public RefCounted {
|
|
GDCLASS(NoiseTexture3DTester, RefCounted);
|
|
|
|
const NoiseTexture3D *const texture;
|
|
|
|
public:
|
|
NoiseTexture3DTester(const NoiseTexture3D *const p_texture) :
|
|
texture{ p_texture } {}
|
|
|
|
Color compute_average_color(const Ref<Image> &p_noise_image) {
|
|
Color r_avg_color{};
|
|
|
|
for (int i = 0; i < p_noise_image->get_width(); ++i) {
|
|
for (int j = 0; j < p_noise_image->get_height(); ++j) {
|
|
const Color pixel = p_noise_image->get_pixel(i, j);
|
|
r_avg_color += pixel;
|
|
}
|
|
}
|
|
|
|
int pixel_count = p_noise_image->get_width() * p_noise_image->get_height();
|
|
r_avg_color /= pixel_count;
|
|
return r_avg_color;
|
|
}
|
|
|
|
void check_mip_and_color_ramp() {
|
|
const Vector<Ref<Image>> noise_data = texture->get_data();
|
|
|
|
for (int i = 0; i < noise_data.size(); i++) {
|
|
const Ref<Image> noise_image = noise_data[i];
|
|
|
|
CHECK(noise_image.is_valid());
|
|
CHECK(noise_image->get_width() == texture->get_width());
|
|
CHECK(noise_image->get_height() == texture->get_height());
|
|
|
|
CHECK(noise_image->get_format() == Image::FORMAT_RGBA8);
|
|
CHECK(!noise_image->has_mipmaps());
|
|
|
|
Color avg_color = compute_average_color(noise_image);
|
|
|
|
// Check that the noise texture is modulated correctly by the color ramp (Gradient).
|
|
CHECK_FALSE_MESSAGE((avg_color.r + avg_color.g + avg_color.b) == doctest::Approx(0.0), "The noise texture should not be all black");
|
|
CHECK_FALSE_MESSAGE((avg_color.r + avg_color.g + avg_color.b) == doctest::Approx(noise_image->get_width() * noise_image->get_height() * 3.0), "The noise texture should not be all white");
|
|
CHECK_MESSAGE(avg_color.g == doctest::Approx(0.0), "The noise texture should not have any green when modulated correctly by the color ramp");
|
|
}
|
|
}
|
|
|
|
void check_seamless_texture_grayscale() {
|
|
const Vector<Ref<Image>> noise_data = texture->get_data();
|
|
|
|
for (int i = 0; i < noise_data.size(); i++) {
|
|
const Ref<Image> noise_image = noise_data[i];
|
|
|
|
CHECK(noise_image.is_valid());
|
|
CHECK(noise_image->get_width() == texture->get_width());
|
|
CHECK(noise_image->get_height() == texture->get_height());
|
|
|
|
CHECK(noise_image->get_format() == Image::FORMAT_L8);
|
|
|
|
Color avg_color = compute_average_color(noise_image);
|
|
|
|
// Since it's a grayscale image and every channel except the alpha channel has the
|
|
// same values (conversion happens in Image::get_pixel) we only need to test one channel.
|
|
CHECK(avg_color.r == doctest::Approx(0.5).epsilon(0.05));
|
|
}
|
|
}
|
|
|
|
void check_seamless_texture_rgba() {
|
|
const Vector<Ref<Image>> noise_data = texture->get_data();
|
|
|
|
for (int i = 0; i < noise_data.size(); i++) {
|
|
const Ref<Image> noise_image = noise_data[i];
|
|
|
|
CHECK(noise_image.is_valid());
|
|
CHECK(noise_image->get_width() == texture->get_width());
|
|
CHECK(noise_image->get_height() == texture->get_height());
|
|
|
|
CHECK(noise_image->get_format() == Image::FORMAT_RGBA8);
|
|
|
|
// Check that the noise texture is modulated correctly by the color ramp (Gradient).
|
|
Color avg_color = compute_average_color(noise_image);
|
|
|
|
// We use a default (black to white) gradient, so the average of the red, green and blue channels should be the same.
|
|
CHECK(avg_color.r == doctest::Approx(0.5).epsilon(0.05));
|
|
CHECK(avg_color.g == doctest::Approx(0.5).epsilon(0.05));
|
|
CHECK(avg_color.b == doctest::Approx(0.5).epsilon(0.05));
|
|
}
|
|
}
|
|
};
|
|
|
|
TEST_CASE("[NoiseTexture][SceneTree] Getter and setter") {
|
|
Ref<NoiseTexture3D> noise_texture = memnew(NoiseTexture3D);
|
|
|
|
Ref<FastNoiseLite> noise = memnew(FastNoiseLite);
|
|
noise_texture->set_noise(noise);
|
|
CHECK(noise_texture->get_noise() == noise);
|
|
noise_texture->set_noise(nullptr);
|
|
CHECK(noise_texture->get_noise().is_null());
|
|
|
|
noise_texture->set_width(8);
|
|
noise_texture->set_height(4);
|
|
noise_texture->set_depth(2);
|
|
CHECK(noise_texture->get_width() == 8);
|
|
CHECK(noise_texture->get_height() == 4);
|
|
CHECK(noise_texture->get_depth() == 2);
|
|
|
|
ERR_PRINT_OFF;
|
|
noise_texture->set_width(-1);
|
|
noise_texture->set_height(-1);
|
|
noise_texture->set_depth(-1);
|
|
ERR_PRINT_ON;
|
|
CHECK(noise_texture->get_width() == 8);
|
|
CHECK(noise_texture->get_height() == 4);
|
|
CHECK(noise_texture->get_depth() == 2);
|
|
|
|
noise_texture->set_invert(true);
|
|
CHECK(noise_texture->get_invert() == true);
|
|
noise_texture->set_invert(false);
|
|
CHECK(noise_texture->get_invert() == false);
|
|
|
|
noise_texture->set_seamless(true);
|
|
CHECK(noise_texture->get_seamless() == true);
|
|
noise_texture->set_seamless(false);
|
|
CHECK(noise_texture->get_seamless() == false);
|
|
|
|
noise_texture->set_seamless_blend_skirt(0.45);
|
|
CHECK(noise_texture->get_seamless_blend_skirt() == doctest::Approx(0.45));
|
|
|
|
ERR_PRINT_OFF;
|
|
noise_texture->set_seamless_blend_skirt(-1.0);
|
|
noise_texture->set_seamless_blend_skirt(2.0);
|
|
CHECK(noise_texture->get_seamless_blend_skirt() == doctest::Approx(0.45));
|
|
ERR_PRINT_ON;
|
|
|
|
Ref<Gradient> gradient = memnew(Gradient);
|
|
noise_texture->set_color_ramp(gradient);
|
|
CHECK(noise_texture->get_color_ramp() == gradient);
|
|
noise_texture->set_color_ramp(nullptr);
|
|
CHECK(noise_texture->get_color_ramp().is_null());
|
|
}
|
|
|
|
TEST_CASE("[NoiseTexture3D][SceneTree] Generating a basic noise texture with mipmaps and color ramp modulation") {
|
|
Ref<NoiseTexture3D> noise_texture = memnew(NoiseTexture3D);
|
|
|
|
Ref<FastNoiseLite> noise = memnew(FastNoiseLite);
|
|
noise_texture->set_noise(noise);
|
|
|
|
Ref<Gradient> gradient = memnew(Gradient);
|
|
Vector<Gradient::Point> points;
|
|
points.push_back({ 0.0, Color(1, 0, 0) });
|
|
points.push_back({ 1.0, Color(0, 0, 1) });
|
|
gradient->set_points(points);
|
|
noise_texture->set_color_ramp(gradient);
|
|
noise_texture->set_width(16);
|
|
noise_texture->set_height(16);
|
|
noise_texture->set_depth(16);
|
|
|
|
Ref<NoiseTexture3DTester> tester = memnew(NoiseTexture3DTester(noise_texture.ptr()));
|
|
noise_texture->connect_changed(callable_mp(tester.ptr(), &NoiseTexture3DTester::check_mip_and_color_ramp));
|
|
MessageQueue::get_singleton()->flush();
|
|
}
|
|
|
|
TEST_CASE("[NoiseTexture3D][SceneTree] Generating a seamless noise texture") {
|
|
Ref<NoiseTexture3D> noise_texture = memnew(NoiseTexture3D);
|
|
|
|
Ref<FastNoiseLite> noise = memnew(FastNoiseLite);
|
|
noise->set_frequency(0.5);
|
|
noise_texture->set_noise(noise);
|
|
noise_texture->set_width(16);
|
|
noise_texture->set_height(16);
|
|
noise_texture->set_depth(16);
|
|
noise_texture->set_seamless(true);
|
|
|
|
Ref<NoiseTexture3DTester> tester = memnew(NoiseTexture3DTester(noise_texture.ptr()));
|
|
|
|
SUBCASE("Grayscale(L8) 16x16x16, with seamless blend skirt of 0.05") {
|
|
noise_texture->set_seamless_blend_skirt(0.05);
|
|
noise_texture->connect_changed(callable_mp(tester.ptr(), &NoiseTexture3DTester::check_seamless_texture_grayscale));
|
|
MessageQueue::get_singleton()->flush();
|
|
}
|
|
|
|
SUBCASE("16x16x16 modulated with default (transparent)black and white gradient (RGBA8), with seamless blend skirt of 1.0") {
|
|
Ref<Gradient> gradient = memnew(Gradient);
|
|
Vector<Gradient::Point> points;
|
|
points.push_back({ 0.0, Color(0, 0, 0, 0) });
|
|
points.push_back({ 1.0, Color(1, 1, 1, 1) });
|
|
gradient->set_points(points);
|
|
noise_texture->set_color_ramp(gradient);
|
|
noise_texture->set_seamless_blend_skirt(1.0);
|
|
noise_texture->connect_changed(callable_mp(tester.ptr(), &NoiseTexture3DTester::check_seamless_texture_rgba));
|
|
MessageQueue::get_singleton()->flush();
|
|
}
|
|
}
|
|
|
|
} //namespace TestNoiseTexture3D
|
|
|
|
#endif // TEST_NOISE_TEXTURE_3D_H
|