mirror of https://github.com/AxioDL/zeus.git
344 lines
8.8 KiB
C++
344 lines
8.8 KiB
C++
#ifndef CCOLOR_HPP
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#define CCOLOR_HPP
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#include "Global.hpp"
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#include "Math.hpp"
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#include "TVectorUnion.hpp"
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#if ZE_ATHENA_TYPES
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#include <Athena/FileReader.hpp>
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#endif
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#include <iostream>
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#if BYTE_ORDER == __ORDER_LITTLE_ENDIAN__
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#define COLOR(rgba) (unsigned)( ( (rgba) & 0x000000FF ) << 24 | ( (rgba) & 0x0000FF00 ) << 8 \
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| ( (rgba) & 0x00FF0000 ) >> 8 | ( (rgba) & 0xFF000000 ) >> 24 )
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#else
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#define COLOR(rgba) rgba
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#endif
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namespace Zeus
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{
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typedef union
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{
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struct
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{
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unsigned char r, g, b, a;
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};
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unsigned int rgba;
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} RGBA32;
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typedef uint8_t Comp8;
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typedef uint32_t Comp32;
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class CVector4f;
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class alignas(16) CColor
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{
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public:
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ZE_DECLARE_ALIGNED_ALLOCATOR();
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static const CColor skRed;
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static const CColor skBlack;
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static const CColor skBlue;
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static const CColor skGreen;
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static const CColor skGrey;
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static const CColor skOrange;
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static const CColor skPurple;
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static const CColor skYellow;
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static const CColor skWhite;
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static const CColor skClear;
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#if __SSE__
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CColor(const __m128& mVec128) : mVec128(mVec128) {}
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#endif
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CColor() : r(1.0f), g(1.0f), b(1.0f), a(1.0f) {}
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CColor(float rgb, float a = 1.0) { splat(rgb, a); }
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CColor(float r, float g, float b, float a = 1.0f) {v[0] = r; v[1] = g; v[2] = b; v[3] = a; }
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#if ZE_ATHENA_TYPES
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CColor(Athena::io::IStreamReader& reader) {readRGBA(reader);}
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#endif
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CColor(Comp32 rgba) { fromRGBA32(rgba); }
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CColor(const Comp8* rgba) { fromRGBA8(rgba[0], rgba[1], rgba[2], rgba[3]); }
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CColor(const CVector4f& other);
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CColor& operator=(const CVector4f& other);
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#if ZE_ATHENA_TYPES
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inline void readRGBA(Athena::io::IStreamReader& reader)
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{
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r = reader.readFloat();
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g = reader.readFloat();
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b = reader.readFloat();
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a = reader.readFloat();
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}
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inline void readBGRA(Athena::io::IStreamReader& reader)
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{
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b = reader.readFloat();
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g = reader.readFloat();
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r = reader.readFloat();
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a = reader.readFloat();
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}
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#endif
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inline bool operator==(const CColor& rhs) const
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{ return (r == rhs.r && g == rhs.g && b == rhs.b && a == rhs.a); }
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inline bool operator!=(const CColor& rhs) const
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{ return !(*this == rhs); }
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inline CColor operator+(const CColor& rhs) const
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{
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#if __SSE__
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return CColor(_mm_add_ps(mVec128, rhs.mVec128));
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#else
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return CColor(r + rhs.r, g + rhs.g, b + rhs.b, a + rhs.a);
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#endif
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}
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inline CColor operator-(const CColor& rhs) const
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{
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#if __SSE__
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return CColor(_mm_sub_ps(mVec128, rhs.mVec128));
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#else
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return CColor(r - rhs.r, g - rhs.g, b - rhs.b, a - rhs.a);
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#endif
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}
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inline CColor operator*(const CColor& rhs) const
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{
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#if __SSE__
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return CColor(_mm_mul_ps(mVec128, rhs.mVec128));
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#else
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return CColor(r * rhs.r, g * rhs.g, b * rhs.b, a * rhs.a);
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#endif
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}
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inline CColor operator/(const CColor& rhs) const
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{
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#if __SSE__
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return CColor(_mm_div_ps(mVec128, rhs.mVec128));
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#else
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return CColor(r / rhs.r, g / rhs.g, b / rhs.b, a / rhs.a);
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#endif
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}
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inline CColor operator+(float val) const
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{
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#if __SSE__
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TVectorUnion splat = {{val, val, val, val}};
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return CColor(_mm_add_ps(mVec128, splat.mVec128));
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#else
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return CColor(r + val, g + val, b + val, a + val);
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#endif
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}
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inline CColor operator-(float val) const
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{
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#if __SSE__
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TVectorUnion splat = {{val, val, val, val}};
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return CColor(_mm_sub_ps(mVec128, splat.mVec128));
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#else
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return CColor(r - val, g - val, b - val, a - val);
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#endif
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}
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inline CColor operator*(float val) const
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{
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#if __SSE__
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TVectorUnion splat = {{val, val, val, val}};
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return CColor(_mm_mul_ps(mVec128, splat.mVec128));
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#else
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return CColor(r * val, g * val, b * val, a * val);
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#endif
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}
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inline CColor operator/(float val) const
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{
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#if __SSE__
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TVectorUnion splat = {{val, val, val, val}};
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return CColor(_mm_div_ps(mVec128, splat.mVec128));
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#else
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return CColor(r / val, g / val, b / val, a / val);
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#endif
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}
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inline const CColor& operator+=(const CColor& rhs)
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{
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#if __SSE__
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mVec128 = _mm_add_ps(mVec128, rhs.mVec128);
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#else
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r += rhs.r; g += rhs.g; b += rhs.b; a += rhs.a;
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#endif
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return *this;
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}
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inline const CColor& operator-=(const CColor& rhs)
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{
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#if __SSE__
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mVec128 = _mm_sub_ps(mVec128, rhs.mVec128);
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#else
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r -= rhs.r; g -= rhs.g; b -= rhs.b; a -= rhs.a;
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#endif
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return *this;
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}
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inline const CColor& operator *=(const CColor& rhs)
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{
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#if __SSE__
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mVec128 = _mm_mul_ps(mVec128, rhs.mVec128);
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#else
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r *= rhs.r; g *= rhs.g; b *= rhs.b; a *= rhs.a;
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#endif
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return *this;
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}
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inline const CColor& operator /=(const CColor& rhs)
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{
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#if __SSE__
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mVec128 = _mm_div_ps(mVec128, rhs.mVec128);
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#else
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r /= rhs.r; g /= rhs.g; b /= rhs.b; a /= rhs.a;
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#endif
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return *this;
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}
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inline void normalize()
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{
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float mag = magnitude();
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mag = 1.0 / mag;
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*this *= mag;
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}
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inline CColor normalized() const
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{
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float mag = magnitude();
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mag = 1.0 / mag;
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return *this * mag;
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}
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inline float magSquared() const
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{
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#if __SSE__
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TVectorUnion result;
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#if __SSE4_1__ || __SSE4_2__
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if (cpuFeatures().SSE41 || cpuFeatures().SSE42)
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{
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result.mVec128 = _mm_dp_ps(mVec128, mVec128, 0xF1);
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return result.v[0];
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}
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#endif
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result.mVec128 = _mm_mul_ps(mVec128, mVec128);
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return result.v[0] + result.v[1] + result.v[2] + result.v[3];
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#else
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return r * r + g * g + b * b + a * a;
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#endif
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}
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inline float magnitude() const
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{
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return sqrtf(magSquared());
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}
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static inline CColor lerp(const CColor& a, const CColor& b, float t)
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{
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return (a + (b - a) * t);
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}
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static inline CColor nlerp(const CColor& a, const CColor& b, float t)
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{
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return lerp(a, b, t).normalized();
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}
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inline float& operator[](const size_t& idx) {return (&r)[idx];}
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inline const float& operator[](const size_t& idx) const { return (&r)[idx]; }
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inline void splat(float rgb, float a)
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{
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#if __SSE__
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TVectorUnion splat = {{rgb, rgb, rgb, a}};
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mVec128 = splat.mVec128;
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#else
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v[0] = rgb; v[1] = rgb; v[2] = rgb; v[3] = a;
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#endif
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}
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union
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{
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struct
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{
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float r, g, b, a;
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};
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float v[4];
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#if __SSE__
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__m128 mVec128;
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#endif
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};
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void fromRGBA8(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
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{
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this->r = r / 255.f;
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this->g = g / 255.f;
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this->b = b / 255.f;
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this->a = a / 255.f;
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}
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void fromRGBA32(unsigned int rgba)
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{
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static RGBA32 tmp;
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tmp.rgba = COLOR(rgba);
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fromRGBA8(tmp.r, tmp.g, tmp.b, tmp.a);
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}
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/**
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* @brief Assigns rgba from hsv
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* @param h[0-1] The hue percentagee of the color.
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* @param s[0-1] The saturation percentage of the color.
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* @param v[0-1] The value percentage of the color.
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* @param a[0-1] The alpha percentage of the color.
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*/
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void fromHSV(float h, float s, float v, float _a = 1.0);
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/**
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* @brief Converts rgba to hsv
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* @param h[0-1] The hue percentagee of the color.
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* @param s[0-1] The saturation percentage of the color.
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* @param v[0-1] The value percentage of the color.
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* @param a[0-1] The alpha percentage of the color.
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*/
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void toHSV(float& h, float& s, float& v) const;
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void fromHSL(float h, float s, float l, float _a = 1.0);
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void toHSL(float& h, float& s, float& l);
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CColor toGrayscale()
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{ return {Math::sqrtF((r * r + g * g + b * b) / 3), a}; }
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};
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static inline CColor operator+(float lhs, const CColor& rhs)
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{
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#if __SSE__
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TVectorUnion splat = {{lhs, lhs, lhs, lhs}};
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return CColor(_mm_add_ps(splat.mVec128, rhs.mVec128));
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#else
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return CColor(lhs + rhs.r, lhs + rhs.g, lhs + rhs.b, lhs + rhs.a);
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#endif
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}
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static inline CColor operator-(float lhs, const CColor& rhs)
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{
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#if __SSE__
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TVectorUnion splat = {{lhs, lhs, lhs, lhs}};
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return CColor(_mm_sub_ps(splat.mVec128, rhs.mVec128));
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#else
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return CColor(lhs - rhs.r, lhs - rhs.g, lhs - rhs.b, lhs - rhs.a);
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#endif
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}
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static inline CColor operator*(float lhs, const CColor& rhs)
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{
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#if __SSE__
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TVectorUnion splat = {{lhs, lhs, lhs, lhs}};
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return CColor(_mm_mul_ps(splat.mVec128, rhs.mVec128));
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#else
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return CColor(lhs * rhs.r, lhs * rhs.g, lhs * rhs.b, lhs * rhs.a);
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#endif
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}
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static inline CColor operator/(float lhs, const CColor& rhs)
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{
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#if __SSE__
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TVectorUnion splat = {{lhs, lhs, lhs, lhs}};
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return CColor(_mm_div_ps(splat.mVec128, rhs.mVec128));
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#else
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return CColor(lhs / rhs.r, lhs / rhs.g, lhs / rhs.b, lhs / rhs.a);
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#endif
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}
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}
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#endif // CCOLOR_HPP
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