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[Net] Add type check to GDScriptRPCCallable.

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It will print an error when using an RPC defined on an object which does
not extend Node.
This commit is contained in:
Fabio Alessandrelli 2021-10-08 12:36:06 +02:00
parent 994638da4f
commit 086256431a
2 changed files with 15 additions and 8 deletions
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20
modules/gdscript/gdscript_rpc_callable.cpp
View File

@ -46,8 +46,8 @@ uint32_t GDScriptRPCCallable::hash() const {
}
String GDScriptRPCCallable::get_as_text() const {
String class_name = node->get_class();
Ref<Script> script = node->get_script();
String class_name = object->get_class();
Ref<Script> script = object->get_script();
return class_name + "(" + script->get_path().get_file() + ")::" + String(method) + " (rpc)";
}
@ -60,21 +60,27 @@ CallableCustom::CompareLessFunc GDScriptRPCCallable::get_compare_less_func() con
}
ObjectID GDScriptRPCCallable::get_object() const {
return node->get_instance_id();
return object->get_instance_id();
}
void GDScriptRPCCallable::call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
r_return_value = node->call(method, p_arguments, p_argcount, r_call_error);
r_return_value = object->call(method, p_arguments, p_argcount, r_call_error);
}
GDScriptRPCCallable::GDScriptRPCCallable(Object *p_node, const StringName &p_method) {
node = Object::cast_to<Node>(p_node);
GDScriptRPCCallable::GDScriptRPCCallable(Object *p_object, const StringName &p_method) {
object = p_object;
method = p_method;
h = method.hash();
h = hash_djb2_one_64(node->get_instance_id(), h);
h = hash_djb2_one_64(object->get_instance_id(), h);
node = Object::cast_to<Node>(object);
ERR_FAIL_COND_MSG(!node, "RPC can only be defined on class that extends Node.");
}
void 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;
}
r_call_error.error = Callable::CallError::CALL_OK;
node->rpcp(p_peer_id, method, p_arguments, p_argcount);
}

3
modules/gdscript/gdscript_rpc_callable.h
View File

@ -37,6 +37,7 @@
class Node;
class GDScriptRPCCallable : public CallableCustom {
Object *object = nullptr;
Node *node = nullptr;
StringName method;
uint32_t h = 0;
@ -53,7 +54,7 @@ public:
void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override;
void rpc(int p_peer_id, const Variant **p_arguments, int p_argcount, Callable::CallError &r_call_error) const override;
GDScriptRPCCallable(Object *p_node, const StringName &p_method);
GDScriptRPCCallable(Object *p_object, const StringName &p_method);
virtual ~GDScriptRPCCallable() = default;
};