godot/modules/gdscript/gdscript_rpc_callable.cpp
A Thousand Ships 59bcc2888c
Add methods to get argument count of methods
Added to:
* `Callable`s
* `Object`s
* `ClassDB`
* `Script(Instance)`s
2024-03-10 11:02:43 +01:00

97 lines
4.3 KiB
C++

/**************************************************************************/
/* gdscript_rpc_callable.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#include "gdscript_rpc_callable.h"
#include "core/object/script_language.h"
#include "core/templates/hashfuncs.h"
#include "scene/main/node.h"
bool GDScriptRPCCallable::compare_equal(const CallableCustom *p_a, const CallableCustom *p_b) {
return p_a->hash() == p_b->hash();
}
bool GDScriptRPCCallable::compare_less(const CallableCustom *p_a, const CallableCustom *p_b) {
return p_a->hash() < p_b->hash();
}
uint32_t GDScriptRPCCallable::hash() const {
return h;
}
String GDScriptRPCCallable::get_as_text() const {
String class_name = object->get_class();
Ref<Script> script = object->get_script();
return class_name + "(" + script->get_path().get_file() + ")::" + String(method) + " (rpc)";
}
CallableCustom::CompareEqualFunc GDScriptRPCCallable::get_compare_equal_func() const {
return compare_equal;
}
CallableCustom::CompareLessFunc GDScriptRPCCallable::get_compare_less_func() const {
return compare_less;
}
ObjectID GDScriptRPCCallable::get_object() const {
return object->get_instance_id();
}
StringName GDScriptRPCCallable::get_method() const {
return method;
}
int GDScriptRPCCallable::get_argument_count(bool &r_is_valid) const {
return object->get_method_argument_count(method, &r_is_valid);
}
void GDScriptRPCCallable::call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
r_return_value = object->callp(method, p_arguments, p_argcount, r_call_error);
}
GDScriptRPCCallable::GDScriptRPCCallable(Object *p_object, const StringName &p_method) {
ERR_FAIL_NULL(p_object);
object = p_object;
method = p_method;
h = method.hash();
h = hash_murmur3_one_64(object->get_instance_id(), h);
node = Object::cast_to<Node>(object);
ERR_FAIL_NULL_MSG(node, "RPC can only be defined on class that extends Node.");
}
Error GDScriptRPCCallable::rpc(int p_peer_id, const Variant **p_arguments, int p_argcount, Callable::CallError &r_call_error) const {
if (unlikely(!node)) {
r_call_error.error = Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL;
return ERR_UNCONFIGURED;
}
r_call_error.error = Callable::CallError::CALL_OK;
return node->rpcp(p_peer_id, method, p_arguments, p_argcount);
}