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Merge pull request #43318 from akien-mga/doc-rng-seed

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doc: Override default value for RandomNumberGenerator.seed
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Rémi Verschelde 2020-11-05 08:47:37 +01:00 committed by GitHub
commit 494bf38c76
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2 changed files with 6 additions and 2 deletions
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5
core/math/random_number_generator.cpp
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@ -33,7 +33,6 @@
void RandomNumberGenerator::_bind_methods() { void RandomNumberGenerator::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_seed", "seed"), &RandomNumberGenerator::set_seed); 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("get_seed"), &RandomNumberGenerator::get_seed);
ADD_PROPERTY(PropertyInfo(Variant::INT, "seed"), "set_seed", "get_seed");
ClassDB::bind_method(D_METHOD("randi"), &RandomNumberGenerator::randi); ClassDB::bind_method(D_METHOD("randi"), &RandomNumberGenerator::randi);
ClassDB::bind_method(D_METHOD("randf"), &RandomNumberGenerator::randf); ClassDB::bind_method(D_METHOD("randf"), &RandomNumberGenerator::randf);
@ -41,4 +40,8 @@ void RandomNumberGenerator::_bind_methods() {
ClassDB::bind_method(D_METHOD("randf_range", "from", "to"), &RandomNumberGenerator::randf_range); 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("randi_range", "from", "to"), &RandomNumberGenerator::randi_range);
ClassDB::bind_method(D_METHOD("randomize"), &RandomNumberGenerator::randomize); ClassDB::bind_method(D_METHOD("randomize"), &RandomNumberGenerator::randomize);
ADD_PROPERTY(PropertyInfo(Variant::INT, "seed"), "set_seed", "get_seed");
// Default value is non-deterministic, override it for doc generation purposes.
ADD_PROPERTY_DEFAULT("seed", 0);
} }

3
doc/classes/RandomNumberGenerator.xml
View file

@ -74,9 +74,10 @@
</method> </method>
</methods> </methods>
<members> <members>
<member name="seed" type="int" setter="set_seed" getter="get_seed" default="-6398989897141750821"> <member name="seed" type="int" setter="set_seed" getter="get_seed" default="0">
The seed used by the random number generator. A given seed will give a reproducible sequence of pseudo-random numbers. The seed used by the random number generator. A given seed will give a reproducible sequence of pseudo-random numbers.
[b]Note:[/b] The RNG does not have an avalanche effect, and can output similar random streams given similar seeds. Consider using a hash function to improve your seed quality if they're sourced externally. [b]Note:[/b] The RNG does not have an avalanche effect, and can output similar random streams given similar seeds. Consider using a hash function to improve your seed quality if they're sourced externally.
[b]Note:[/b] The default value of this property is pseudo-random, and changes when calling [method randomize]. The [code]0[/code] value documented here is a placeholder, and not the actual default seed.
</member> </member>
</members> </members>
<constants> <constants>