65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
|
#pragma once
|
||
|
|
#include <utility>
|
||
|
|
#include <Eigen/Dense>
|
||
|
|
#include "Serializers.hpp"
|
||
|
|
|
||
|
|
using namespace Eigen;
|
||
|
|
|
||
|
|
typedef Vector<uint32_t, 2> Vector2ui32;
|
||
|
|
|
||
|
|
// https://stackoverflow.com/questions/2590677/how-do-i-combine-hash-values-in-c0x/54728293#54728293
|
||
|
|
|
||
|
|
template <typename T, typename... Rest>
|
||
|
|
void hash_combine(uint64_t& seed, const T& v, const Rest&... rest) {
|
||
|
|
seed ^= std::hash<T>{}(v) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
|
||
|
|
(hash_combine(seed, rest), ...);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <> struct std::hash<Vector2i> {
|
||
|
|
size_t operator()(const Vector2i& v) const
|
||
|
|
{
|
||
|
|
uint64_t h = 0;
|
||
|
|
hash_combine(h, v.x(), v.y());
|
||
|
|
return h;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template <> struct std::hash<Vector2ui32> {
|
||
|
|
size_t operator()(const Vector2ui32& v) const
|
||
|
|
{
|
||
|
|
uint64_t h = 0;
|
||
|
|
hash_combine(h, v.x(), v.y());
|
||
|
|
return h;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template <> struct std::hash<Vector2f> {
|
||
|
|
size_t operator()(const Vector2f& v) const
|
||
|
|
{
|
||
|
|
uint64_t h = 0;
|
||
|
|
hash_combine(h, v.x(), v.y());
|
||
|
|
return h;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template <> struct std::hash<std::array<Vector2f, 2>> {
|
||
|
|
size_t operator()(const std::array<Vector2f, 2>& v) const
|
||
|
|
{
|
||
|
|
uint64_t h = 0;
|
||
|
|
hash_combine(h, v[0], v[1]);
|
||
|
|
return h;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template <> struct std::hash<std::array<float, 4>> {
|
||
|
|
size_t operator()(const std::array<float, 4>& v) const
|
||
|
|
{
|
||
|
|
uint64_t h = 0;
|
||
|
|
hash_combine(h, v[0], v[1], v[2], v[3]);
|
||
|
|
return h;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
bool operator <(const Vector2f& a, const Vector2f& b);
|