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Diffstat (limited to 'modules/noise/fastnoise_lite.h')
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1 files changed, 224 insertions, 0 deletions
diff --git a/modules/noise/fastnoise_lite.h b/modules/noise/fastnoise_lite.h new file mode 100644 index 0000000000..0a4251868b --- /dev/null +++ b/modules/noise/fastnoise_lite.h @@ -0,0 +1,224 @@ +/*************************************************************************/ +/* fastnoise_lite.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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 FASTNOISE_LITE_H +#define FASTNOISE_LITE_H + +#include "core/io/image.h" +#include "core/object/ref_counted.h" +#include "noise.h" +#include "scene/resources/gradient.h" + +#include <thirdparty/noise/FastNoiseLite.h> + +typedef fastnoiselite::FastNoiseLite _FastNoiseLite; + +class FastNoiseLite : public Noise { + GDCLASS(FastNoiseLite, Noise); + OBJ_SAVE_TYPE(FastNoiseLite); + +public: + enum NoiseType { + TYPE_SIMPLEX = _FastNoiseLite::NoiseType_OpenSimplex2, + TYPE_SIMPLEX_SMOOTH = _FastNoiseLite::NoiseType_OpenSimplex2S, + TYPE_CELLULAR = _FastNoiseLite::NoiseType_Cellular, + TYPE_PERLIN = _FastNoiseLite::NoiseType_Perlin, + TYPE_VALUE_CUBIC = _FastNoiseLite::NoiseType_ValueCubic, + TYPE_VALUE = _FastNoiseLite::NoiseType_Value, + }; + + enum FractalType { + FRACTAL_NONE = _FastNoiseLite::FractalType_None, + FRACTAL_FBM = _FastNoiseLite::FractalType_FBm, + FRACTAL_RIDGED = _FastNoiseLite::FractalType_Ridged, + FRACTAL_PING_PONG = _FastNoiseLite::FractalType_PingPong, + }; + + enum CellularDistanceFunction { + DISTANCE_EUCLIDEAN = _FastNoiseLite::CellularDistanceFunction_Euclidean, + DISTANCE_EUCLIDEAN_SQUARED = _FastNoiseLite::CellularDistanceFunction_EuclideanSq, + DISTANCE_MANHATTAN = _FastNoiseLite::CellularDistanceFunction_Manhattan, + DISTANCE_HYBRID = _FastNoiseLite::CellularDistanceFunction_Hybrid + }; + + enum CellularReturnType { + RETURN_CELL_VALUE = _FastNoiseLite::CellularReturnType_CellValue, + RETURN_DISTANCE = _FastNoiseLite::CellularReturnType_Distance, + RETURN_DISTANCE2 = _FastNoiseLite::CellularReturnType_Distance2, + RETURN_DISTANCE2_ADD = _FastNoiseLite::CellularReturnType_Distance2Add, + RETURN_DISTANCE2_SUB = _FastNoiseLite::CellularReturnType_Distance2Sub, + RETURN_DISTANCE2_MUL = _FastNoiseLite::CellularReturnType_Distance2Mul, + RETURN_DISTANCE2_DIV = _FastNoiseLite::CellularReturnType_Distance2Div + }; + + enum DomainWarpType { + DOMAIN_WARP_SIMPLEX = _FastNoiseLite::DomainWarpType_OpenSimplex2, + DOMAIN_WARP_SIMPLEX_REDUCED = _FastNoiseLite::DomainWarpType_OpenSimplex2Reduced, + DOMAIN_WARP_BASIC_GRID = _FastNoiseLite::DomainWarpType_BasicGrid + }; + + enum DomainWarpFractalType { + DOMAIN_WARP_FRACTAL_NONE, + DOMAIN_WARP_FRACTAL_PROGRESSIVE, + DOMAIN_WARP_FRACTAL_INDEPENDENT + }; + +protected: + static void _bind_methods(); + virtual void _validate_property(PropertyInfo &property) const override; + +private: + _FastNoiseLite _noise; + _FastNoiseLite _domain_warp_noise; + + Vector3 offset; + NoiseType noise_type = TYPE_SIMPLEX_SMOOTH; + + int seed = 0; + real_t frequency = 0.01; + + // Fractal specific. + FractalType fractal_type = FRACTAL_FBM; + int fractal_octaves = 5; + real_t fractal_lacunarity = 2; + real_t fractal_gain = 0.5; + real_t fractal_weighted_strength = 0; + real_t fractal_ping_pong_strength = 2; + + // Cellular specific. + CellularDistanceFunction cellular_distance_function = DISTANCE_EUCLIDEAN; + CellularReturnType cellular_return_type = RETURN_DISTANCE; + real_t cellular_jitter = 0.45; + + // Domain warp specific. + bool domain_warp_enabled = false; + DomainWarpType domain_warp_type = DOMAIN_WARP_SIMPLEX; + real_t domain_warp_amplitude = 30.0; + real_t domain_warp_frequency = 0.05; + DomainWarpFractalType domain_warp_fractal_type = DOMAIN_WARP_FRACTAL_PROGRESSIVE; + int domain_warp_fractal_octaves = 5; + real_t domain_warp_fractal_lacunarity = 6; + real_t domain_warp_fractal_gain = 0.5; + +public: + FastNoiseLite(); + ~FastNoiseLite(); + + // General noise settings. + + void set_noise_type(NoiseType p_noise_type); + NoiseType get_noise_type() const; + + void set_seed(int p_seed); + int get_seed() const; + + void set_frequency(real_t p_freq); + real_t get_frequency() const; + + void set_offset(Vector3 p_offset); + Vector3 get_offset() const; + + // Fractal specific. + + void set_fractal_type(FractalType p_type); + FractalType get_fractal_type() const; + + void set_fractal_octaves(int p_octaves); + int get_fractal_octaves() const; + + void set_fractal_lacunarity(real_t p_lacunarity); + real_t get_fractal_lacunarity() const; + + void set_fractal_gain(real_t p_gain); + real_t get_fractal_gain() const; + + void set_fractal_weighted_strength(real_t p_weighted_strength); + real_t get_fractal_weighted_strength() const; + + void set_fractal_ping_pong_strength(real_t p_ping_pong_strength); + real_t get_fractal_ping_pong_strength() const; + + // Cellular specific. + + void set_cellular_distance_function(CellularDistanceFunction p_func); + CellularDistanceFunction get_cellular_distance_function() const; + + void set_cellular_return_type(CellularReturnType p_ret); + CellularReturnType get_cellular_return_type() const; + + void set_cellular_jitter(real_t p_jitter); + real_t get_cellular_jitter() const; + + // Domain warp specific. + + void set_domain_warp_enabled(bool p_enabled); + bool is_domain_warp_enabled() const; + + void set_domain_warp_type(DomainWarpType p_domain_warp_type); + DomainWarpType get_domain_warp_type() const; + + void set_domain_warp_amplitude(real_t p_amplitude); + real_t get_domain_warp_amplitude() const; + + void set_domain_warp_frequency(real_t p_frequency); + real_t get_domain_warp_frequency() const; + + void set_domain_warp_fractal_type(DomainWarpFractalType p_domain_warp_fractal_type); + DomainWarpFractalType get_domain_warp_fractal_type() const; + + void set_domain_warp_fractal_octaves(int p_octaves); + int get_domain_warp_fractal_octaves() const; + + void set_domain_warp_fractal_lacunarity(real_t p_lacunarity); + real_t get_domain_warp_fractal_lacunarity() const; + + void set_domain_warp_fractal_gain(real_t p_gain); + real_t get_domain_warp_fractal_gain() const; + + // Interface methods. + real_t get_noise_1d(real_t p_x) const override; + + real_t get_noise_2dv(Vector2 p_v) const override; + real_t get_noise_2d(real_t p_x, real_t p_y) const override; + + real_t get_noise_3dv(Vector3 p_v) const override; + real_t get_noise_3d(real_t p_x, real_t p_y, real_t p_z) const override; + + void _changed(); +}; + +VARIANT_ENUM_CAST(FastNoiseLite::NoiseType); +VARIANT_ENUM_CAST(FastNoiseLite::FractalType); +VARIANT_ENUM_CAST(FastNoiseLite::CellularDistanceFunction); +VARIANT_ENUM_CAST(FastNoiseLite::CellularReturnType); +VARIANT_ENUM_CAST(FastNoiseLite::DomainWarpType); +VARIANT_ENUM_CAST(FastNoiseLite::DomainWarpFractalType); + +#endif // FASTNOISE_LITE_H |