godot/core/math/vector3i.h
lawnjelly 0565676893 Protection for array operator for Vector2 / 3 in DEV builds
A previous PR had changed the array operator to give unbounded access. This could cause crashes where old code depended on this previous safe behaviour.

This PR adds DEV_ASSERT macros for out of bound access to DEV builds, allowing us to quickly identify bugs in calling code, without affecting performance in release or release_debug editor builds.
2022-03-07 11:15:45 +00:00

310 lines
8.5 KiB
C++

/*************************************************************************/
/* vector3i.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is 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 Software. */
/* */
/* THE SOFTWARE IS 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 */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef VECTOR3I_H
#define VECTOR3I_H
#include "core/error/error_macros.h"
#include "core/math/math_funcs.h"
class String;
struct Vector3;
struct _NO_DISCARD_ Vector3i {
enum Axis {
AXIS_X,
AXIS_Y,
AXIS_Z,
};
union {
struct {
int32_t x;
int32_t y;
int32_t z;
};
int32_t coord[3] = { 0 };
};
_FORCE_INLINE_ const int32_t &operator[](const int p_axis) const {
DEV_ASSERT((unsigned int)p_axis < 3);
return coord[p_axis];
}
_FORCE_INLINE_ int32_t &operator[](const int p_axis) {
DEV_ASSERT((unsigned int)p_axis < 3);
return coord[p_axis];
}
void set_axis(const int p_axis, const int32_t p_value);
int32_t get_axis(const int p_axis) const;
Vector3i::Axis min_axis_index() const;
Vector3i::Axis max_axis_index() const;
_FORCE_INLINE_ int64_t length_squared() const;
_FORCE_INLINE_ double length() const;
_FORCE_INLINE_ void zero();
_FORCE_INLINE_ Vector3i abs() const;
_FORCE_INLINE_ Vector3i sign() const;
Vector3i clamp(const Vector3i &p_min, const Vector3i &p_max) const;
/* Operators */
_FORCE_INLINE_ Vector3i &operator+=(const Vector3i &p_v);
_FORCE_INLINE_ Vector3i operator+(const Vector3i &p_v) const;
_FORCE_INLINE_ Vector3i &operator-=(const Vector3i &p_v);
_FORCE_INLINE_ Vector3i operator-(const Vector3i &p_v) const;
_FORCE_INLINE_ Vector3i &operator*=(const Vector3i &p_v);
_FORCE_INLINE_ Vector3i operator*(const Vector3i &p_v) const;
_FORCE_INLINE_ Vector3i &operator/=(const Vector3i &p_v);
_FORCE_INLINE_ Vector3i operator/(const Vector3i &p_v) const;
_FORCE_INLINE_ Vector3i &operator%=(const Vector3i &p_v);
_FORCE_INLINE_ Vector3i operator%(const Vector3i &p_v) const;
_FORCE_INLINE_ Vector3i &operator*=(const int32_t p_scalar);
_FORCE_INLINE_ Vector3i operator*(const int32_t p_scalar) const;
_FORCE_INLINE_ Vector3i &operator/=(const int32_t p_scalar);
_FORCE_INLINE_ Vector3i operator/(const int32_t p_scalar) const;
_FORCE_INLINE_ Vector3i &operator%=(const int32_t p_scalar);
_FORCE_INLINE_ Vector3i operator%(const int32_t p_scalar) const;
_FORCE_INLINE_ Vector3i operator-() const;
_FORCE_INLINE_ bool operator==(const Vector3i &p_v) const;
_FORCE_INLINE_ bool operator!=(const Vector3i &p_v) const;
_FORCE_INLINE_ bool operator<(const Vector3i &p_v) const;
_FORCE_INLINE_ bool operator<=(const Vector3i &p_v) const;
_FORCE_INLINE_ bool operator>(const Vector3i &p_v) const;
_FORCE_INLINE_ bool operator>=(const Vector3i &p_v) const;
operator String() const;
operator Vector3() const;
_FORCE_INLINE_ Vector3i() {}
_FORCE_INLINE_ Vector3i(const int32_t p_x, const int32_t p_y, const int32_t p_z) {
x = p_x;
y = p_y;
z = p_z;
}
};
int64_t Vector3i::length_squared() const {
return x * (int64_t)x + y * (int64_t)y + z * (int64_t)z;
}
double Vector3i::length() const {
return Math::sqrt((double)length_squared());
}
Vector3i Vector3i::abs() const {
return Vector3i(ABS(x), ABS(y), ABS(z));
}
Vector3i Vector3i::sign() const {
return Vector3i(SIGN(x), SIGN(y), SIGN(z));
}
/* Operators */
Vector3i &Vector3i::operator+=(const Vector3i &p_v) {
x += p_v.x;
y += p_v.y;
z += p_v.z;
return *this;
}
Vector3i Vector3i::operator+(const Vector3i &p_v) const {
return Vector3i(x + p_v.x, y + p_v.y, z + p_v.z);
}
Vector3i &Vector3i::operator-=(const Vector3i &p_v) {
x -= p_v.x;
y -= p_v.y;
z -= p_v.z;
return *this;
}
Vector3i Vector3i::operator-(const Vector3i &p_v) const {
return Vector3i(x - p_v.x, y - p_v.y, z - p_v.z);
}
Vector3i &Vector3i::operator*=(const Vector3i &p_v) {
x *= p_v.x;
y *= p_v.y;
z *= p_v.z;
return *this;
}
Vector3i Vector3i::operator*(const Vector3i &p_v) const {
return Vector3i(x * p_v.x, y * p_v.y, z * p_v.z);
}
Vector3i &Vector3i::operator/=(const Vector3i &p_v) {
x /= p_v.x;
y /= p_v.y;
z /= p_v.z;
return *this;
}
Vector3i Vector3i::operator/(const Vector3i &p_v) const {
return Vector3i(x / p_v.x, y / p_v.y, z / p_v.z);
}
Vector3i &Vector3i::operator%=(const Vector3i &p_v) {
x %= p_v.x;
y %= p_v.y;
z %= p_v.z;
return *this;
}
Vector3i Vector3i::operator%(const Vector3i &p_v) const {
return Vector3i(x % p_v.x, y % p_v.y, z % p_v.z);
}
Vector3i &Vector3i::operator*=(const int32_t p_scalar) {
x *= p_scalar;
y *= p_scalar;
z *= p_scalar;
return *this;
}
Vector3i Vector3i::operator*(const int32_t p_scalar) const {
return Vector3i(x * p_scalar, y * p_scalar, z * p_scalar);
}
// Multiplication operators required to workaround issues with LLVM using implicit conversion.
_FORCE_INLINE_ Vector3i operator*(const int32_t p_scalar, const Vector3i &p_vector) {
return p_vector * p_scalar;
}
_FORCE_INLINE_ Vector3i operator*(const int64_t p_scalar, const Vector3i &p_vector) {
return p_vector * p_scalar;
}
_FORCE_INLINE_ Vector3i operator*(const float p_scalar, const Vector3i &p_vector) {
return p_vector * p_scalar;
}
_FORCE_INLINE_ Vector3i operator*(const double p_scalar, const Vector3i &p_vector) {
return p_vector * p_scalar;
}
Vector3i &Vector3i::operator/=(const int32_t p_scalar) {
x /= p_scalar;
y /= p_scalar;
z /= p_scalar;
return *this;
}
Vector3i Vector3i::operator/(const int32_t p_scalar) const {
return Vector3i(x / p_scalar, y / p_scalar, z / p_scalar);
}
Vector3i &Vector3i::operator%=(const int32_t p_scalar) {
x %= p_scalar;
y %= p_scalar;
z %= p_scalar;
return *this;
}
Vector3i Vector3i::operator%(const int32_t p_scalar) const {
return Vector3i(x % p_scalar, y % p_scalar, z % p_scalar);
}
Vector3i Vector3i::operator-() const {
return Vector3i(-x, -y, -z);
}
bool Vector3i::operator==(const Vector3i &p_v) const {
return (x == p_v.x && y == p_v.y && z == p_v.z);
}
bool Vector3i::operator!=(const Vector3i &p_v) const {
return (x != p_v.x || y != p_v.y || z != p_v.z);
}
bool Vector3i::operator<(const Vector3i &p_v) const {
if (x == p_v.x) {
if (y == p_v.y) {
return z < p_v.z;
} else {
return y < p_v.y;
}
} else {
return x < p_v.x;
}
}
bool Vector3i::operator>(const Vector3i &p_v) const {
if (x == p_v.x) {
if (y == p_v.y) {
return z > p_v.z;
} else {
return y > p_v.y;
}
} else {
return x > p_v.x;
}
}
bool Vector3i::operator<=(const Vector3i &p_v) const {
if (x == p_v.x) {
if (y == p_v.y) {
return z <= p_v.z;
} else {
return y < p_v.y;
}
} else {
return x < p_v.x;
}
}
bool Vector3i::operator>=(const Vector3i &p_v) const {
if (x == p_v.x) {
if (y == p_v.y) {
return z >= p_v.z;
} else {
return y > p_v.y;
}
} else {
return x > p_v.x;
}
}
void Vector3i::zero() {
x = y = z = 0;
}
#endif // VECTOR3I_H