mirror of
https://github.com/yuzu-emu/FasTC
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133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
/*******************************************************************************
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* Copyright (c) 2012 Pavel Krajcevski
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*
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******************************************************************************/
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#ifndef BASE_INCLUDE_VECTOR3_H_
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#define BASE_INCLUDE_VECTOR3_H_
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#include "Vector2.h"
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# define _VEX_VEC3_SWIZZLE_DEF(X, Y, Z) \
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Vector3<T> X##Y##Z() const { return Vector3<T>( X(), Y(), Z() ); }
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namespace FasTC {
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template <typename T>
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class Vector3 : public VectorBase<T, 3> {
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public:
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Vector3() { }
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Vector3(T x, T y, T z) {
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X() = x;
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Y() = y;
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Z() = z;
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}
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explicit Vector3(const T *_vec) {
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for(int i = 0; i < 3; i++) {
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this->vec[i] = _vec[i];
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}
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}
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// Overloaded functions
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template<typename _T>
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Vector3(const Vector3<_T> &v) : VectorBase<T, 3>(v) { }
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template<typename _T>
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Vector3<T> &operator=(const Vector3<_T> &v) {
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VectorBase<T, 3>::operator=(v);
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return *this;
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}
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template<typename _T>
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Vector3<T> &operator=(const _T *v) {
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VectorBase<T, 3>::operator=(v);
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return *this;
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}
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// Accessors
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T &X() { return (*this)[0]; }
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const T &X() const { return (*this)[0]; }
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T &Y() { return (*this)[1]; }
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const T &Y() const { return (*this)[1]; }
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T &Z() { return (*this)[2]; }
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const T &Z() const { return (*this)[2]; }
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// Vector operations
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template<typename _T>
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Vector3<T> Cross(const Vector3<_T> &v) {
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return Vector3<T>(
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Y() * v.Z() - v.Y() * Z(),
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Z() * v.X() - v.Z() * X(),
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X() * v.Y() - v.X() * Y()
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);
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}
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// Swizzle
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_VEX_VEC2_SWIZZLE_DEF(X, X)
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_VEX_VEC2_SWIZZLE_DEF(X, Y)
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_VEX_VEC2_SWIZZLE_DEF(X, Z)
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_VEX_VEC2_SWIZZLE_DEF(Y, X)
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_VEX_VEC2_SWIZZLE_DEF(Y, Y)
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_VEX_VEC2_SWIZZLE_DEF(Y, Z)
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_VEX_VEC2_SWIZZLE_DEF(Z, X)
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_VEX_VEC2_SWIZZLE_DEF(Z, Y)
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_VEX_VEC2_SWIZZLE_DEF(Z, Z)
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_VEX_VEC3_SWIZZLE_DEF(X, X, X)
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_VEX_VEC3_SWIZZLE_DEF(X, X, Y)
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_VEX_VEC3_SWIZZLE_DEF(X, X, Z)
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_VEX_VEC3_SWIZZLE_DEF(X, Y, X)
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_VEX_VEC3_SWIZZLE_DEF(X, Y, Y)
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_VEX_VEC3_SWIZZLE_DEF(X, Y, Z)
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_VEX_VEC3_SWIZZLE_DEF(X, Z, X)
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_VEX_VEC3_SWIZZLE_DEF(X, Z, Y)
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_VEX_VEC3_SWIZZLE_DEF(X, Z, Z)
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_VEX_VEC3_SWIZZLE_DEF(Y, X, X)
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_VEX_VEC3_SWIZZLE_DEF(Y, X, Y)
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_VEX_VEC3_SWIZZLE_DEF(Y, X, Z)
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_VEX_VEC3_SWIZZLE_DEF(Y, Y, X)
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_VEX_VEC3_SWIZZLE_DEF(Y, Y, Y)
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_VEX_VEC3_SWIZZLE_DEF(Y, Y, Z)
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_VEX_VEC3_SWIZZLE_DEF(Y, Z, X)
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_VEX_VEC3_SWIZZLE_DEF(Y, Z, Y)
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_VEX_VEC3_SWIZZLE_DEF(Y, Z, Z)
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_VEX_VEC3_SWIZZLE_DEF(Z, X, X)
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_VEX_VEC3_SWIZZLE_DEF(Z, X, Y)
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_VEX_VEC3_SWIZZLE_DEF(Z, X, Z)
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_VEX_VEC3_SWIZZLE_DEF(Z, Y, X)
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_VEX_VEC3_SWIZZLE_DEF(Z, Y, Y)
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_VEX_VEC3_SWIZZLE_DEF(Z, Y, Z)
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_VEX_VEC3_SWIZZLE_DEF(Z, Z, X)
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_VEX_VEC3_SWIZZLE_DEF(Z, Z, Y)
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_VEX_VEC3_SWIZZLE_DEF(Z, Z, Z)
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};
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REGISTER_ONE_TEMPLATE_VECTOR_TYPE(Vector3);
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typedef Vector3<float> Vec3f;
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typedef Vector3<double> Vec3d;
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typedef Vector3<int> Vec3i;
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};
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#endif // BASE_INCLUDE_VECTOR3_H_
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