godot/core/math/random_number_generator.h

68 lines
3.2 KiB
C++

/*************************************************************************/
/* random_number_generator.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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 RANDOM_NUMBER_GENERATOR_H
#define RANDOM_NUMBER_GENERATOR_H
#include "core/math/random_pcg.h"
#include "core/reference.h"
class RandomNumberGenerator : public Reference {
GDCLASS(RandomNumberGenerator, Reference);
RandomPCG randbase;
protected:
static void _bind_methods();
public:
_FORCE_INLINE_ void set_seed(uint64_t seed) { randbase.seed(seed); }
_FORCE_INLINE_ uint64_t get_seed() { return randbase.get_seed(); }
_FORCE_INLINE_ void randomize() { return randbase.randomize(); }
_FORCE_INLINE_ uint32_t randi() { return randbase.rand(); }
_FORCE_INLINE_ real_t randf() { return randbase.randf(); }
_FORCE_INLINE_ real_t randf_range(real_t from, real_t to) { return randbase.random(from, to); }
_FORCE_INLINE_ real_t randfn(real_t mean = 0.0, real_t deviation = 1.0) { return randbase.randfn(mean, deviation); }
_FORCE_INLINE_ int randi_range(int from, int to) {
unsigned int ret = randbase.rand();
return ret % (to - from + 1) + from;
}
RandomNumberGenerator();
};
#endif // RANDOM_NUMBER_GENERATOR_H