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/**
@file G3D/Vector3int32.h
@maintainer Morgan McGuire, matrix@brown.edu
@created 2008-07-01
@edited 2011-01-01
Copyright 2000-2012, Morgan McGuire.
All rights reserved.
*/
#ifndef G3D_Vector3int32_h
#define G3D_Vector3int32_h
#include "G3D/platform.h"
#include "G3D/g3dmath.h"
#include "G3D/HashTrait.h"
#include "G3D/Crypto.h"
namespace G3D {
class Any;
/**
\ Vector3int32
A Vector3 that packs its fields into uint32s.
*/
G3D_BEGIN_PACKED_CLASS(4)
Vector3int32 {
private:
// Hidden operators
bool operator<(const Vector3int32&) const;
bool operator>(const Vector3int32&) const;
bool operator<=(const Vector3int32&) const;
bool operator>=(const Vector3int32&) const;
public:
G3D::int32 x;
G3D::int32 y;
G3D::int32 z;
Vector3int32() : x(0), y(0), z(0) {}
Vector3int32(int _x, int _y, int _z) : x(_x), y(_y), z(_z) {}
Vector3int32(const class Vector2int32& v, int _z);
Vector3int32(const class Vector2int16& v, int _z);
Vector3int32(const class Vector3int16& v);
Vector3int32(const Any& any);
Any toAny() const;
/** Rounds to the nearest int */
explicit Vector3int32(const class Vector3& v);
explicit Vector3int32(class BinaryInput& bi);
static Vector3int32 truncate(const class Vector3& v);
bool nonZero() const {
return (x != 0) || (y != 0) || (z != 0);
}
void serialize(class BinaryOutput& bo) const;
void deserialize(class BinaryInput& bi);
inline G3D::int32& operator[] (int i) {
debugAssert(i <= 2);
return ((G3D::int32*)this)[i];
}
inline const G3D::int32& operator[] (int i) const {
debugAssert(i <= 2);
return ((G3D::int32*)this)[i];
}
inline Vector3int32 operator+(const Vector3int32& other) const {
return Vector3int32(x + other.x, y + other.y, z + other.z);
}
inline Vector3int32 operator-(const Vector3int32& other) const {
return Vector3int32(x - other.x, y - other.y, z - other.z);
}
inline Vector3int32 operator*(const Vector3int32& other) const {
return Vector3int32(x * other.x, y * other.y, z * other.z);
}
inline Vector3int32 operator*(const int s) const {
return Vector3int32(x * s, y * s, z * s);
}
/** Integer division */
inline Vector3int32 operator/(const Vector3int32& other) const {
return Vector3int32(x / other.x, y / other.y, z / other.z);
}
/** Integer division */
inline Vector3int32 operator/(const int s) const {
return Vector3int32(x / s, y / s, z / s);
}
Vector3int32& operator+=(const Vector3int32& other) {
x += other.x;
y += other.y;
z += other.z;
return *this;
}
Vector3int32& operator-=(const Vector3int32& other) {
x -= other.x;
y -= other.y;
z -= other.z;
return *this;
}
Vector3int32& operator*=(const Vector3int32& other) {
x *= other.x;
y *= other.y;
z *= other.z;
return *this;
}
bool operator== (const Vector3int32& rkVector) const {
return ( x == rkVector.x && y == rkVector.y && z == rkVector.z );
}
bool operator!= (const Vector3int32& rkVector) const {
return ( x != rkVector.x || y != rkVector.y || z != rkVector.z );
}
Vector3int32 max(const Vector3int32& v) const {
return Vector3int32(iMax(x, v.x), iMax(y, v.y), iMax(z, v.z));
}
Vector3int32 min(const Vector3int32& v) const {
return Vector3int32(iMin(x, v.x), iMin(y, v.y), iMin(z, v.z));
}
Vector3int32 operator-() const {
return Vector3int32(-x, -y, -z);
}
std::string toString() const;
Vector3int32 operator<<(int i) const {
return Vector3int32(x << i, y << i, z << i);
}
Vector3int32 operator>>(int i) const {
return Vector3int32(x >> i, y >> i, z >> i);
}
Vector3int32 operator>>(const Vector3int32& v) const {
return Vector3int32(x >> v.x, y >> v.y, z >> v.z);
}
Vector3int32 operator<<(const Vector3int32& v) const {
return Vector3int32(x << v.x, y << v.y, z << v.z);
}
Vector3int32 operator&(int16 i) const {
return Vector3int32(x & i, y & i, z & i);
}
// 2-char swizzles
Vector2int32 xx() const;
Vector2int32 yx() const;
Vector2int32 zx() const;
Vector2int32 xy() const;
Vector2int32 yy() const;
Vector2int32 zy() const;
Vector2int32 xz() const;
Vector2int32 yz() const;
Vector2int32 zz() const;
}
G3D_END_PACKED_CLASS(4)
typedef Vector3int32 Point3int32;
Vector3int32 iFloor(const Vector3&);
} // namespace G3D
template <> struct HashTrait<G3D::Vector3int32> {
static size_t hashCode(const G3D::Vector3int32& key) {
return G3D::superFastHash(&key, sizeof(key));
//return G3D::Crypto::crc32(&key, sizeof(key));
/*
// Mask for the top bit of a uint32
const G3D::uint32 top = (1UL << 31);
// Mask for the bottom 10 bits of a uint32
const G3D::uint32 bot = 0x000003FF;
return static_cast<size_t>(((key.x & top) | ((key.y & top) >> 1) | ((key.z & top) >> 2)) |
(((key.x & bot) << 19) ^ ((key.y & bot) << 10) ^ (key.z & bot)));
*/
}
};
#endif
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