1/**************************************************************************/
2/* gdscript_rpc_callable.cpp */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
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12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
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29/**************************************************************************/
30
31#include "gdscript_rpc_callable.h"
32
33#include "core/object/script_language.h"
34#include "core/templates/hashfuncs.h"
35#include "scene/main/node.h"
36
37bool GDScriptRPCCallable::compare_equal(const CallableCustom *p_a, const CallableCustom *p_b) {
38 return p_a->hash() == p_b->hash();
39}
40
41bool GDScriptRPCCallable::compare_less(const CallableCustom *p_a, const CallableCustom *p_b) {
42 return p_a->hash() < p_b->hash();
43}
44
45uint32_t GDScriptRPCCallable::hash() const {
46 return h;
47}
48
49String GDScriptRPCCallable::get_as_text() const {
50 String class_name = object->get_class();
51 Ref<Script> script = object->get_script();
52 return class_name + "(" + script->get_path().get_file() + ")::" + String(method) + " (rpc)";
53}
54
55CallableCustom::CompareEqualFunc GDScriptRPCCallable::get_compare_equal_func() const {
56 return compare_equal;
57}
58
59CallableCustom::CompareLessFunc GDScriptRPCCallable::get_compare_less_func() const {
60 return compare_less;
61}
62
63ObjectID GDScriptRPCCallable::get_object() const {
64 return object->get_instance_id();
65}
66
67StringName GDScriptRPCCallable::get_method() const {
68 return method;
69}
70
71void GDScriptRPCCallable::call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
72 r_return_value = object->callp(method, p_arguments, p_argcount, r_call_error);
73}
74
75GDScriptRPCCallable::GDScriptRPCCallable(Object *p_object, const StringName &p_method) {
76 object = p_object;
77 method = p_method;
78 h = method.hash();
79 h = hash_murmur3_one_64(object->get_instance_id(), h);
80 node = Object::cast_to<Node>(object);
81 ERR_FAIL_COND_MSG(!node, "RPC can only be defined on class that extends Node.");
82}
83
84Error GDScriptRPCCallable::rpc(int p_peer_id, const Variant **p_arguments, int p_argcount, Callable::CallError &r_call_error) const {
85 if (unlikely(!node)) {
86 r_call_error.error = Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL;
87 return ERR_UNCONFIGURED;
88 }
89 r_call_error.error = Callable::CallError::CALL_OK;
90 return node->rpcp(p_peer_id, method, p_arguments, p_argcount);
91}
92