godot/core/math/random_number_generator.cpp

/**************************************************************************/
/*  random_number_generator.cpp                                           */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#include "random_number_generator.h"

void RandomNumberGenerator::_bind_methods() {
	ClassDB::bind_method(D_METHOD("set_seed", "seed"), &RandomNumberGenerator::set_seed);
	ClassDB::bind_method(D_METHOD("get_seed"), &RandomNumberGenerator::get_seed);

	ClassDB::bind_method(D_METHOD("set_state", "state"), &RandomNumberGenerator::set_state);
	ClassDB::bind_method(D_METHOD("get_state"), &RandomNumberGenerator::get_state);

	ClassDB::bind_method(D_METHOD("randi"), &RandomNumberGenerator::randi);
	ClassDB::bind_method(D_METHOD("randf"), &RandomNumberGenerator::randf);
	ClassDB::bind_method(D_METHOD("randfn", "mean", "deviation"), &RandomNumberGenerator::randfn, DEFVAL(0.0), DEFVAL(1.0));
	ClassDB::bind_method(D_METHOD("randf_range", "from", "to"), &RandomNumberGenerator::randf_range);
	ClassDB::bind_method(D_METHOD("randi_range", "from", "to"), &RandomNumberGenerator::randi_range);
	ClassDB::bind_method(D_METHOD("rand_weighted", "weights"), &RandomNumberGenerator::rand_weighted);
	ClassDB::bind_method(D_METHOD("randomize"), &RandomNumberGenerator::randomize);

	ADD_PROPERTY(PropertyInfo(Variant::INT, "seed"), "set_seed", "get_seed");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "state"), "set_state", "get_state");
	// Default values are non-deterministic, override for doc generation purposes.
	ADD_PROPERTY_DEFAULT("seed", 0);
	ADD_PROPERTY_DEFAULT("state", 0);
}