Add LICENSE, add glad, add FastNoise, implement Window
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// FastNoise.h
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//
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// MIT License
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//
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// Copyright(c) 2017 Jordan Peck
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files(the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions :
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// The developer's email is jorzixdan.me2@gzixmail.com (for great email, take
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// off every 'zix'.)
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//
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// VERSION: 0.4.1
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#ifndef FASTNOISE_H
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#define FASTNOISE_H
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// Uncomment the line below to use doubles throughout FastNoise instead of floats
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//#define FN_USE_DOUBLES
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#define FN_CELLULAR_INDEX_MAX 3
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#ifdef FN_USE_DOUBLES
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typedef double FN_DECIMAL;
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#else
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typedef float FN_DECIMAL;
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#endif
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class FastNoise
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{
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public:
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explicit FastNoise(int seed = 1337) { SetSeed(seed); CalculateFractalBounding(); }
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enum NoiseType { Value, ValueFractal, Perlin, PerlinFractal, Simplex, SimplexFractal, Cellular, WhiteNoise, Cubic, CubicFractal };
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enum Interp { Linear, Hermite, Quintic };
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enum FractalType { FBM, Billow, RigidMulti };
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enum CellularDistanceFunction { Euclidean, Manhattan, Natural };
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enum CellularReturnType { CellValue, NoiseLookup, Distance, Distance2, Distance2Add, Distance2Sub, Distance2Mul, Distance2Div };
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// Sets seed used for all noise types
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// Default: 1337
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void SetSeed(int seed);
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// Returns seed used for all noise types
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int GetSeed() const { return m_seed; }
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// Sets frequency for all noise types
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// Default: 0.01
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void SetFrequency(FN_DECIMAL frequency) { m_frequency = frequency; }
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// Returns frequency used for all noise types
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FN_DECIMAL GetFrequency() const { return m_frequency; }
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// Changes the interpolation method used to smooth between noise values
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// Possible interpolation methods (lowest to highest quality) :
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// - Linear
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// - Hermite
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// - Quintic
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// Used in Value, Perlin Noise and Position Warping
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// Default: Quintic
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void SetInterp(Interp interp) { m_interp = interp; }
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// Returns interpolation method used for supported noise types
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Interp GetInterp() const { return m_interp; }
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// Sets noise return type of GetNoise(...)
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// Default: Simplex
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void SetNoiseType(NoiseType noiseType) { m_noiseType = noiseType; }
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// Returns the noise type used by GetNoise
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NoiseType GetNoiseType() const { return m_noiseType; }
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// Sets octave count for all fractal noise types
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// Default: 3
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void SetFractalOctaves(int octaves) { m_octaves = octaves; CalculateFractalBounding(); }
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// Returns octave count for all fractal noise types
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int GetFractalOctaves() const { return m_octaves; }
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// Sets octave lacunarity for all fractal noise types
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// Default: 2.0
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void SetFractalLacunarity(FN_DECIMAL lacunarity) { m_lacunarity = lacunarity; }
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// Returns octave lacunarity for all fractal noise types
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FN_DECIMAL GetFractalLacunarity() const { return m_lacunarity; }
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// Sets octave gain for all fractal noise types
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// Default: 0.5
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void SetFractalGain(FN_DECIMAL gain) { m_gain = gain; CalculateFractalBounding(); }
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// Returns octave gain for all fractal noise types
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FN_DECIMAL GetFractalGain() const { return m_gain; }
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// Sets method for combining octaves in all fractal noise types
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// Default: FBM
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void SetFractalType(FractalType fractalType) { m_fractalType = fractalType; }
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// Returns method for combining octaves in all fractal noise types
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FractalType GetFractalType() const { return m_fractalType; }
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// Sets distance function used in cellular noise calculations
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// Default: Euclidean
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void SetCellularDistanceFunction(CellularDistanceFunction cellularDistanceFunction) { m_cellularDistanceFunction = cellularDistanceFunction; }
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// Returns the distance function used in cellular noise calculations
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CellularDistanceFunction GetCellularDistanceFunction() const { return m_cellularDistanceFunction; }
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// Sets return type from cellular noise calculations
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// Note: NoiseLookup requires another FastNoise object be set with SetCellularNoiseLookup() to function
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// Default: CellValue
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void SetCellularReturnType(CellularReturnType cellularReturnType) { m_cellularReturnType = cellularReturnType; }
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// Returns the return type from cellular noise calculations
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CellularReturnType GetCellularReturnType() const { return m_cellularReturnType; }
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// Noise used to calculate a cell value if cellular return type is NoiseLookup
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// The lookup value is acquired through GetNoise() so ensure you SetNoiseType() on the noise lookup, value, Perlin or simplex is recommended
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void SetCellularNoiseLookup(FastNoise* noise) { m_cellularNoiseLookup = noise; }
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// Returns the noise used to calculate a cell value if the cellular return type is NoiseLookup
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FastNoise* GetCellularNoiseLookup() const { return m_cellularNoiseLookup; }
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// Sets the 2 distance indices used for distance2 return types
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// Default: 0, 1
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// Note: index0 should be lower than index1
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// Both indices must be >= 0, index1 must be < 4
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void SetCellularDistance2Indices(int cellularDistanceIndex0, int cellularDistanceIndex1);
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// Returns the 2 distance indices used for distance2 return types
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void GetCellularDistance2Indices(int& cellularDistanceIndex0, int& cellularDistanceIndex1) const;
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// Sets the maximum distance a cellular point can move from its grid position
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// Setting this high will make artifacts more common
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// Default: 0.45
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void SetCellularJitter(FN_DECIMAL cellularJitter) { m_cellularJitter = cellularJitter; }
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// Returns the maximum distance a cellular point can move from its grid position
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FN_DECIMAL GetCellularJitter() const { return m_cellularJitter; }
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// Sets the maximum warp distance from original location when using GradientPerturb{Fractal}(...)
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// Default: 1.0
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void SetGradientPerturbAmp(FN_DECIMAL gradientPerturbAmp) { m_gradientPerturbAmp = gradientPerturbAmp; }
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// Returns the maximum warp distance from original location when using GradientPerturb{Fractal}(...)
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FN_DECIMAL GetGradientPerturbAmp() const { return m_gradientPerturbAmp; }
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//2D
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FN_DECIMAL GetValue(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL GetValueFractal(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL GetPerlin(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL GetPerlinFractal(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL GetSimplex(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL GetSimplexFractal(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL GetCellular(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL GetWhiteNoise(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL GetWhiteNoiseInt(int x, int y) const;
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FN_DECIMAL GetCubic(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL GetCubicFractal(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL GetNoise(FN_DECIMAL x, FN_DECIMAL y) const;
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void GradientPerturb(FN_DECIMAL& x, FN_DECIMAL& y) const;
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void GradientPerturbFractal(FN_DECIMAL& x, FN_DECIMAL& y) const;
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//3D
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FN_DECIMAL GetValue(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL GetValueFractal(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL GetPerlin(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL GetPerlinFractal(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL GetSimplex(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL GetSimplexFractal(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL GetCellular(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL GetWhiteNoise(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL GetWhiteNoiseInt(int x, int y, int z) const;
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FN_DECIMAL GetCubic(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL GetCubicFractal(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL GetNoise(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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void GradientPerturb(FN_DECIMAL& x, FN_DECIMAL& y, FN_DECIMAL& z) const;
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void GradientPerturbFractal(FN_DECIMAL& x, FN_DECIMAL& y, FN_DECIMAL& z) const;
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//4D
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FN_DECIMAL GetSimplex(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z, FN_DECIMAL w) const;
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FN_DECIMAL GetWhiteNoise(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z, FN_DECIMAL w) const;
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FN_DECIMAL GetWhiteNoiseInt(int x, int y, int z, int w) const;
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private:
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unsigned char m_perm[512];
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unsigned char m_perm12[512];
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int m_seed = 1337;
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FN_DECIMAL m_frequency = FN_DECIMAL(0.01);
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Interp m_interp = Quintic;
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NoiseType m_noiseType = Simplex;
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int m_octaves = 3;
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FN_DECIMAL m_lacunarity = FN_DECIMAL(2);
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FN_DECIMAL m_gain = FN_DECIMAL(0.5);
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FractalType m_fractalType = FBM;
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FN_DECIMAL m_fractalBounding;
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CellularDistanceFunction m_cellularDistanceFunction = Euclidean;
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CellularReturnType m_cellularReturnType = CellValue;
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FastNoise* m_cellularNoiseLookup = nullptr;
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int m_cellularDistanceIndex0 = 0;
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int m_cellularDistanceIndex1 = 1;
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FN_DECIMAL m_cellularJitter = FN_DECIMAL(0.45);
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FN_DECIMAL m_gradientPerturbAmp = FN_DECIMAL(1);
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void CalculateFractalBounding();
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//2D
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FN_DECIMAL SingleValueFractalFBM(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleValueFractalBillow(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleValueFractalRigidMulti(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleValue(unsigned char offset, FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SinglePerlinFractalFBM(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SinglePerlinFractalBillow(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SinglePerlinFractalRigidMulti(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SinglePerlin(unsigned char offset, FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleSimplexFractalFBM(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleSimplexFractalBillow(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleSimplexFractalRigidMulti(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleSimplexFractalBlend(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleSimplex(unsigned char offset, FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleCubicFractalFBM(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleCubicFractalBillow(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleCubicFractalRigidMulti(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleCubic(unsigned char offset, FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleCellular(FN_DECIMAL x, FN_DECIMAL y) const;
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FN_DECIMAL SingleCellular2Edge(FN_DECIMAL x, FN_DECIMAL y) const;
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void SingleGradientPerturb(unsigned char offset, FN_DECIMAL warpAmp, FN_DECIMAL frequency, FN_DECIMAL& x, FN_DECIMAL& y) const;
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//3D
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FN_DECIMAL SingleValueFractalFBM(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleValueFractalBillow(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleValueFractalRigidMulti(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleValue(unsigned char offset, FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SinglePerlinFractalFBM(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SinglePerlinFractalBillow(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SinglePerlinFractalRigidMulti(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SinglePerlin(unsigned char offset, FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleSimplexFractalFBM(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleSimplexFractalBillow(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleSimplexFractalRigidMulti(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleSimplex(unsigned char offset, FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleCubicFractalFBM(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleCubicFractalBillow(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleCubicFractalRigidMulti(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleCubic(unsigned char offset, FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleCellular(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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FN_DECIMAL SingleCellular2Edge(FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z) const;
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void SingleGradientPerturb(unsigned char offset, FN_DECIMAL warpAmp, FN_DECIMAL frequency, FN_DECIMAL& x, FN_DECIMAL& y, FN_DECIMAL& z) const;
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//4D
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FN_DECIMAL SingleSimplex(unsigned char offset, FN_DECIMAL x, FN_DECIMAL y, FN_DECIMAL z, FN_DECIMAL w) const;
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inline unsigned char Index2D_12(unsigned char offset, int x, int y) const;
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inline unsigned char Index3D_12(unsigned char offset, int x, int y, int z) const;
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inline unsigned char Index4D_32(unsigned char offset, int x, int y, int z, int w) const;
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inline unsigned char Index2D_256(unsigned char offset, int x, int y) const;
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inline unsigned char Index3D_256(unsigned char offset, int x, int y, int z) const;
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inline unsigned char Index4D_256(unsigned char offset, int x, int y, int z, int w) const;
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inline FN_DECIMAL ValCoord2DFast(unsigned char offset, int x, int y) const;
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inline FN_DECIMAL ValCoord3DFast(unsigned char offset, int x, int y, int z) const;
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inline FN_DECIMAL GradCoord2D(unsigned char offset, int x, int y, FN_DECIMAL xd, FN_DECIMAL yd) const;
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inline FN_DECIMAL GradCoord3D(unsigned char offset, int x, int y, int z, FN_DECIMAL xd, FN_DECIMAL yd, FN_DECIMAL zd) const;
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inline FN_DECIMAL GradCoord4D(unsigned char offset, int x, int y, int z, int w, FN_DECIMAL xd, FN_DECIMAL yd, FN_DECIMAL zd, FN_DECIMAL wd) const;
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};
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#endif
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@@ -0,0 +1,311 @@
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#ifndef __khrplatform_h_
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#define __khrplatform_h_
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||||
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||||
/*
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||||
** Copyright (c) 2008-2018 The Khronos Group Inc.
|
||||
**
|
||||
** Permission is hereby granted, free of charge, to any person obtaining a
|
||||
** copy of this software and/or associated documentation files (the
|
||||
** "Materials"), to deal in the Materials without restriction, including
|
||||
** without limitation the rights to use, copy, modify, merge, publish,
|
||||
** distribute, sublicense, and/or sell copies of the Materials, and to
|
||||
** permit persons to whom the Materials are 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 Materials.
|
||||
**
|
||||
** THE MATERIALS ARE 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
|
||||
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
|
||||
*/
|
||||
|
||||
/* Khronos platform-specific types and definitions.
|
||||
*
|
||||
* The master copy of khrplatform.h is maintained in the Khronos EGL
|
||||
* Registry repository at https://github.com/KhronosGroup/EGL-Registry
|
||||
* The last semantic modification to khrplatform.h was at commit ID:
|
||||
* 67a3e0864c2d75ea5287b9f3d2eb74a745936692
|
||||
*
|
||||
* Adopters may modify this file to suit their platform. Adopters are
|
||||
* encouraged to submit platform specific modifications to the Khronos
|
||||
* group so that they can be included in future versions of this file.
|
||||
* Please submit changes by filing pull requests or issues on
|
||||
* the EGL Registry repository linked above.
|
||||
*
|
||||
*
|
||||
* See the Implementer's Guidelines for information about where this file
|
||||
* should be located on your system and for more details of its use:
|
||||
* http://www.khronos.org/registry/implementers_guide.pdf
|
||||
*
|
||||
* This file should be included as
|
||||
* #include <KHR/khrplatform.h>
|
||||
* by Khronos client API header files that use its types and defines.
|
||||
*
|
||||
* The types in khrplatform.h should only be used to define API-specific types.
|
||||
*
|
||||
* Types defined in khrplatform.h:
|
||||
* khronos_int8_t signed 8 bit
|
||||
* khronos_uint8_t unsigned 8 bit
|
||||
* khronos_int16_t signed 16 bit
|
||||
* khronos_uint16_t unsigned 16 bit
|
||||
* khronos_int32_t signed 32 bit
|
||||
* khronos_uint32_t unsigned 32 bit
|
||||
* khronos_int64_t signed 64 bit
|
||||
* khronos_uint64_t unsigned 64 bit
|
||||
* khronos_intptr_t signed same number of bits as a pointer
|
||||
* khronos_uintptr_t unsigned same number of bits as a pointer
|
||||
* khronos_ssize_t signed size
|
||||
* khronos_usize_t unsigned size
|
||||
* khronos_float_t signed 32 bit floating point
|
||||
* khronos_time_ns_t unsigned 64 bit time in nanoseconds
|
||||
* khronos_utime_nanoseconds_t unsigned time interval or absolute time in
|
||||
* nanoseconds
|
||||
* khronos_stime_nanoseconds_t signed time interval in nanoseconds
|
||||
* khronos_boolean_enum_t enumerated boolean type. This should
|
||||
* only be used as a base type when a client API's boolean type is
|
||||
* an enum. Client APIs which use an integer or other type for
|
||||
* booleans cannot use this as the base type for their boolean.
|
||||
*
|
||||
* Tokens defined in khrplatform.h:
|
||||
*
|
||||
* KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values.
|
||||
*
|
||||
* KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0.
|
||||
* KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0.
|
||||
*
|
||||
* Calling convention macros defined in this file:
|
||||
* KHRONOS_APICALL
|
||||
* KHRONOS_APIENTRY
|
||||
* KHRONOS_APIATTRIBUTES
|
||||
*
|
||||
* These may be used in function prototypes as:
|
||||
*
|
||||
* KHRONOS_APICALL void KHRONOS_APIENTRY funcname(
|
||||
* int arg1,
|
||||
* int arg2) KHRONOS_APIATTRIBUTES;
|
||||
*/
|
||||
|
||||
#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC)
|
||||
# define KHRONOS_STATIC 1
|
||||
#endif
|
||||
|
||||
/*-------------------------------------------------------------------------
|
||||
* Definition of KHRONOS_APICALL
|
||||
*-------------------------------------------------------------------------
|
||||
* This precedes the return type of the function in the function prototype.
|
||||
*/
|
||||
#if defined(KHRONOS_STATIC)
|
||||
/* If the preprocessor constant KHRONOS_STATIC is defined, make the
|
||||
* header compatible with static linking. */
|
||||
# define KHRONOS_APICALL
|
||||
#elif defined(_WIN32)
|
||||
# define KHRONOS_APICALL __declspec(dllimport)
|
||||
#elif defined (__SYMBIAN32__)
|
||||
# define KHRONOS_APICALL IMPORT_C
|
||||
#elif defined(__ANDROID__)
|
||||
# define KHRONOS_APICALL __attribute__((visibility("default")))
|
||||
#else
|
||||
# define KHRONOS_APICALL
|
||||
#endif
|
||||
|
||||
/*-------------------------------------------------------------------------
|
||||
* Definition of KHRONOS_APIENTRY
|
||||
*-------------------------------------------------------------------------
|
||||
* This follows the return type of the function and precedes the function
|
||||
* name in the function prototype.
|
||||
*/
|
||||
#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
|
||||
/* Win32 but not WinCE */
|
||||
# define KHRONOS_APIENTRY __stdcall
|
||||
#else
|
||||
# define KHRONOS_APIENTRY
|
||||
#endif
|
||||
|
||||
/*-------------------------------------------------------------------------
|
||||
* Definition of KHRONOS_APIATTRIBUTES
|
||||
*-------------------------------------------------------------------------
|
||||
* This follows the closing parenthesis of the function prototype arguments.
|
||||
*/
|
||||
#if defined (__ARMCC_2__)
|
||||
#define KHRONOS_APIATTRIBUTES __softfp
|
||||
#else
|
||||
#define KHRONOS_APIATTRIBUTES
|
||||
#endif
|
||||
|
||||
/*-------------------------------------------------------------------------
|
||||
* basic type definitions
|
||||
*-----------------------------------------------------------------------*/
|
||||
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__)
|
||||
|
||||
|
||||
/*
|
||||
* Using <stdint.h>
|
||||
*/
|
||||
#include <stdint.h>
|
||||
typedef int32_t khronos_int32_t;
|
||||
typedef uint32_t khronos_uint32_t;
|
||||
typedef int64_t khronos_int64_t;
|
||||
typedef uint64_t khronos_uint64_t;
|
||||
#define KHRONOS_SUPPORT_INT64 1
|
||||
#define KHRONOS_SUPPORT_FLOAT 1
|
||||
/*
|
||||
* To support platform where unsigned long cannot be used interchangeably with
|
||||
* inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t.
|
||||
* Ideally, we could just use (u)intptr_t everywhere, but this could result in
|
||||
* ABI breakage if khronos_uintptr_t is changed from unsigned long to
|
||||
* unsigned long long or similar (this results in different C++ name mangling).
|
||||
* To avoid changes for existing platforms, we restrict usage of intptr_t to
|
||||
* platforms where the size of a pointer is larger than the size of long.
|
||||
*/
|
||||
#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__)
|
||||
#if __SIZEOF_POINTER__ > __SIZEOF_LONG__
|
||||
#define KHRONOS_USE_INTPTR_T
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#elif defined(__VMS ) || defined(__sgi)
|
||||
|
||||
/*
|
||||
* Using <inttypes.h>
|
||||
*/
|
||||
#include <inttypes.h>
|
||||
typedef int32_t khronos_int32_t;
|
||||
typedef uint32_t khronos_uint32_t;
|
||||
typedef int64_t khronos_int64_t;
|
||||
typedef uint64_t khronos_uint64_t;
|
||||
#define KHRONOS_SUPPORT_INT64 1
|
||||
#define KHRONOS_SUPPORT_FLOAT 1
|
||||
|
||||
#elif defined(_WIN32) && !defined(__SCITECH_SNAP__)
|
||||
|
||||
/*
|
||||
* Win32
|
||||
*/
|
||||
typedef __int32 khronos_int32_t;
|
||||
typedef unsigned __int32 khronos_uint32_t;
|
||||
typedef __int64 khronos_int64_t;
|
||||
typedef unsigned __int64 khronos_uint64_t;
|
||||
#define KHRONOS_SUPPORT_INT64 1
|
||||
#define KHRONOS_SUPPORT_FLOAT 1
|
||||
|
||||
#elif defined(__sun__) || defined(__digital__)
|
||||
|
||||
/*
|
||||
* Sun or Digital
|
||||
*/
|
||||
typedef int khronos_int32_t;
|
||||
typedef unsigned int khronos_uint32_t;
|
||||
#if defined(__arch64__) || defined(_LP64)
|
||||
typedef long int khronos_int64_t;
|
||||
typedef unsigned long int khronos_uint64_t;
|
||||
#else
|
||||
typedef long long int khronos_int64_t;
|
||||
typedef unsigned long long int khronos_uint64_t;
|
||||
#endif /* __arch64__ */
|
||||
#define KHRONOS_SUPPORT_INT64 1
|
||||
#define KHRONOS_SUPPORT_FLOAT 1
|
||||
|
||||
#elif 0
|
||||
|
||||
/*
|
||||
* Hypothetical platform with no float or int64 support
|
||||
*/
|
||||
typedef int khronos_int32_t;
|
||||
typedef unsigned int khronos_uint32_t;
|
||||
#define KHRONOS_SUPPORT_INT64 0
|
||||
#define KHRONOS_SUPPORT_FLOAT 0
|
||||
|
||||
#else
|
||||
|
||||
/*
|
||||
* Generic fallback
|
||||
*/
|
||||
#include <stdint.h>
|
||||
typedef int32_t khronos_int32_t;
|
||||
typedef uint32_t khronos_uint32_t;
|
||||
typedef int64_t khronos_int64_t;
|
||||
typedef uint64_t khronos_uint64_t;
|
||||
#define KHRONOS_SUPPORT_INT64 1
|
||||
#define KHRONOS_SUPPORT_FLOAT 1
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
* Types that are (so far) the same on all platforms
|
||||
*/
|
||||
typedef signed char khronos_int8_t;
|
||||
typedef unsigned char khronos_uint8_t;
|
||||
typedef signed short int khronos_int16_t;
|
||||
typedef unsigned short int khronos_uint16_t;
|
||||
|
||||
/*
|
||||
* Types that differ between LLP64 and LP64 architectures - in LLP64,
|
||||
* pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
|
||||
* to be the only LLP64 architecture in current use.
|
||||
*/
|
||||
#ifdef KHRONOS_USE_INTPTR_T
|
||||
typedef intptr_t khronos_intptr_t;
|
||||
typedef uintptr_t khronos_uintptr_t;
|
||||
#elif defined(_WIN64)
|
||||
typedef signed long long int khronos_intptr_t;
|
||||
typedef unsigned long long int khronos_uintptr_t;
|
||||
#else
|
||||
typedef signed long int khronos_intptr_t;
|
||||
typedef unsigned long int khronos_uintptr_t;
|
||||
#endif
|
||||
|
||||
#if defined(_WIN64)
|
||||
typedef signed long long int khronos_ssize_t;
|
||||
typedef unsigned long long int khronos_usize_t;
|
||||
#else
|
||||
typedef signed long int khronos_ssize_t;
|
||||
typedef unsigned long int khronos_usize_t;
|
||||
#endif
|
||||
|
||||
#if KHRONOS_SUPPORT_FLOAT
|
||||
/*
|
||||
* Float type
|
||||
*/
|
||||
typedef float khronos_float_t;
|
||||
#endif
|
||||
|
||||
#if KHRONOS_SUPPORT_INT64
|
||||
/* Time types
|
||||
*
|
||||
* These types can be used to represent a time interval in nanoseconds or
|
||||
* an absolute Unadjusted System Time. Unadjusted System Time is the number
|
||||
* of nanoseconds since some arbitrary system event (e.g. since the last
|
||||
* time the system booted). The Unadjusted System Time is an unsigned
|
||||
* 64 bit value that wraps back to 0 every 584 years. Time intervals
|
||||
* may be either signed or unsigned.
|
||||
*/
|
||||
typedef khronos_uint64_t khronos_utime_nanoseconds_t;
|
||||
typedef khronos_int64_t khronos_stime_nanoseconds_t;
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Dummy value used to pad enum types to 32 bits.
|
||||
*/
|
||||
#ifndef KHRONOS_MAX_ENUM
|
||||
#define KHRONOS_MAX_ENUM 0x7FFFFFFF
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Enumerated boolean type
|
||||
*
|
||||
* Values other than zero should be considered to be true. Therefore
|
||||
* comparisons should not be made against KHRONOS_TRUE.
|
||||
*/
|
||||
typedef enum {
|
||||
KHRONOS_FALSE = 0,
|
||||
KHRONOS_TRUE = 1,
|
||||
KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM
|
||||
} khronos_boolean_enum_t;
|
||||
|
||||
#endif /* __khrplatform_h_ */
|
||||
+9026
File diff suppressed because one or more lines are too long
+15751
File diff suppressed because one or more lines are too long
+26
-1
@@ -1,5 +1,30 @@
|
||||
#include <iostream>
|
||||
|
||||
#include <glad/glad.h>
|
||||
#include <GLFW/glfw3.h>
|
||||
|
||||
#include "window.h"
|
||||
|
||||
int key_state[GLFW_KEY_LAST];
|
||||
|
||||
void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) {
|
||||
if (key < 0)
|
||||
return;
|
||||
|
||||
if (action == GLFW_PRESS)
|
||||
key_state[key] = 1;
|
||||
else if (action == GLFW_RELEASE)
|
||||
key_state[key] = 0;
|
||||
}
|
||||
|
||||
void loop(double d, GLFWwindow* w) {
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
glClearColor(0.2f, 0.6f, 0.7f, 1.0f);
|
||||
std::cout << "Deltatime: " << d << "\n";
|
||||
}
|
||||
|
||||
int main() {
|
||||
std::cout << "Hello, World!\n";
|
||||
Window w = Window(1280, 720, "xnoecraft", key_callback);
|
||||
|
||||
w.mainloop(loop);
|
||||
}
|
||||
@@ -0,0 +1,68 @@
|
||||
#include "window.h"
|
||||
|
||||
int Window::width;
|
||||
int Window::height;
|
||||
|
||||
Window* Window::current_window;
|
||||
|
||||
void Window::resize(GLFWwindow* window, int w, int h) {
|
||||
Window::width = w;
|
||||
Window::height = h;
|
||||
|
||||
for (callback_tuple t : Window::current_window->resize_callbacks) {
|
||||
std::get<1>(t)(std::get<0>(t), w, h);
|
||||
}
|
||||
|
||||
glViewport(0, 0, w, h);
|
||||
}
|
||||
|
||||
Window::Window(int width, int height, char* title, void(*key_callback)(GLFWwindow*, int, int, int, int)) {
|
||||
Window::width = width;
|
||||
Window::height = height;
|
||||
|
||||
Window::current_window = this;
|
||||
|
||||
this->resize_callbacks = std::vector<callback_tuple>();
|
||||
|
||||
glfwInit();
|
||||
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
|
||||
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
|
||||
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
|
||||
|
||||
this->window = glfwCreateWindow(width, height, title, NULL, NULL);
|
||||
if (!this->window)
|
||||
throw std::runtime_error("Failed to create GLFW window");
|
||||
|
||||
glfwMakeContextCurrent(this->window);
|
||||
|
||||
if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
|
||||
throw std::runtime_error("Failed to initialize GLAD");
|
||||
|
||||
glViewport(0, 0, width, height);
|
||||
|
||||
glfwSetFramebufferSizeCallback(this->window, Window::resize);
|
||||
glfwSetKeyCallback(this->window, key_callback);
|
||||
}
|
||||
|
||||
void Window::mainloop(std::function<void(double, GLFWwindow*)> f) {
|
||||
std::chrono::high_resolution_clock clock;
|
||||
|
||||
auto last_time = clock.now();
|
||||
|
||||
while (!glfwWindowShouldClose(this->window)) {
|
||||
auto current_time = clock.now();
|
||||
|
||||
std::chrono::duration<double> deltatime = current_time - last_time;
|
||||
|
||||
f(deltatime.count(), this->window);
|
||||
|
||||
last_time = current_time;
|
||||
|
||||
glfwPollEvents();
|
||||
glfwSwapBuffers(this->window);
|
||||
}
|
||||
}
|
||||
|
||||
void Window::register_resize_callback(void* v, std::function<void(void*, int, int)> f) {
|
||||
this->resize_callbacks.emplace_back(v, f);
|
||||
}
|
||||
@@ -0,0 +1,35 @@
|
||||
#ifndef WINDOW_H
|
||||
#define WINDOW_H
|
||||
|
||||
#include <glad/glad.h>
|
||||
#include <GLFW/glfw3.h>
|
||||
|
||||
#include <functional>
|
||||
#include <vector>
|
||||
#include <tuple>
|
||||
#include <chrono>
|
||||
|
||||
#include <stdexcept>
|
||||
|
||||
class Window {
|
||||
using callback_tuple = std::tuple<void*, std::function<void(void*, int, int)>>;
|
||||
private:
|
||||
GLFWwindow* window;
|
||||
static Window* current_window;
|
||||
|
||||
std::vector<callback_tuple> resize_callbacks;
|
||||
|
||||
static void resize(GLFWwindow* window, int w, int h);
|
||||
|
||||
public:
|
||||
static int width;
|
||||
static int height;
|
||||
|
||||
Window(int width, int height, char* title, void(*key_callback)(GLFWwindow*, int, int, int, int));
|
||||
|
||||
void mainloop(std::function<void(double, GLFWwindow*)>);
|
||||
|
||||
void register_resize_callback(void* v, std::function<void(void*, int, int)>);
|
||||
};
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user