144 lines
5.2 KiB
C++
144 lines
5.2 KiB
C++
/*************************************************************************/
|
|
/* signal_awaiter_utils.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* 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 "signal_awaiter_utils.h"
|
|
|
|
#include "csharp_script.h"
|
|
#include "mono_gd/gd_mono_class.h"
|
|
#include "mono_gd/gd_mono_marshal.h"
|
|
#include "mono_gd/gd_mono_utils.h"
|
|
|
|
namespace SignalAwaiterUtils {
|
|
|
|
Error connect_signal_awaiter(Object *p_source, const String &p_signal, Object *p_target, MonoObject *p_awaiter) {
|
|
|
|
ERR_FAIL_NULL_V(p_source, ERR_INVALID_DATA);
|
|
ERR_FAIL_NULL_V(p_target, ERR_INVALID_DATA);
|
|
|
|
Ref<SignalAwaiterHandle> sa_con = memnew(SignalAwaiterHandle(p_awaiter));
|
|
#ifdef DEBUG_ENABLED
|
|
sa_con->set_connection_target(p_target);
|
|
#endif
|
|
|
|
Vector<Variant> binds;
|
|
binds.push_back(sa_con);
|
|
|
|
Error err = p_source->connect(p_signal, sa_con.ptr(),
|
|
CSharpLanguage::get_singleton()->get_string_names()._signal_callback,
|
|
binds, Object::CONNECT_ONESHOT);
|
|
|
|
if (err != OK) {
|
|
// Set it as completed to prevent it from calling the failure callback when released.
|
|
// The awaiter will be aware of the failure by checking the returned error.
|
|
sa_con->set_completed(true);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
} // namespace SignalAwaiterUtils
|
|
|
|
Variant SignalAwaiterHandle::_signal_callback(const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
if (conn_target_id && !ObjectDB::get_instance(conn_target_id)) {
|
|
ERR_EXPLAIN("Resumed after await, but class instance is gone");
|
|
ERR_FAIL_V(Variant());
|
|
}
|
|
#endif
|
|
|
|
if (p_argcount < 1) {
|
|
r_error.error = Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
|
|
r_error.argument = 1;
|
|
return Variant();
|
|
}
|
|
|
|
Ref<SignalAwaiterHandle> self = *p_args[p_argcount - 1];
|
|
|
|
if (self.is_null()) {
|
|
r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
|
|
r_error.argument = p_argcount - 1;
|
|
r_error.expected = Variant::OBJECT;
|
|
return Variant();
|
|
}
|
|
|
|
set_completed(true);
|
|
|
|
int signal_argc = p_argcount - 1;
|
|
MonoArray *signal_args = mono_array_new(SCRIPTS_DOMAIN, CACHED_CLASS_RAW(MonoObject), signal_argc);
|
|
|
|
for (int i = 0; i < signal_argc; i++) {
|
|
MonoObject *boxed = GDMonoMarshal::variant_to_mono_object(*p_args[i]);
|
|
mono_array_setref(signal_args, i, boxed);
|
|
}
|
|
|
|
MonoException *exc = NULL;
|
|
GD_MONO_BEGIN_RUNTIME_INVOKE;
|
|
invoke_method_thunk(CACHED_METHOD_THUNK(SignalAwaiter, SignalCallback), get_target(), signal_args, &exc);
|
|
GD_MONO_END_RUNTIME_INVOKE;
|
|
|
|
if (exc) {
|
|
GDMonoUtils::set_pending_exception(exc);
|
|
ERR_FAIL_V(Variant());
|
|
}
|
|
|
|
return Variant();
|
|
}
|
|
|
|
void SignalAwaiterHandle::_bind_methods() {
|
|
|
|
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "_signal_callback", &SignalAwaiterHandle::_signal_callback, MethodInfo("_signal_callback"));
|
|
}
|
|
|
|
SignalAwaiterHandle::SignalAwaiterHandle(MonoObject *p_managed) :
|
|
MonoGCHandle(MonoGCHandle::new_strong_handle(p_managed), STRONG_HANDLE) {
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
conn_target_id = 0;
|
|
#endif
|
|
}
|
|
|
|
SignalAwaiterHandle::~SignalAwaiterHandle() {
|
|
|
|
if (!completed) {
|
|
MonoObject *awaiter = get_target();
|
|
|
|
if (awaiter) {
|
|
MonoException *exc = NULL;
|
|
GD_MONO_BEGIN_RUNTIME_INVOKE;
|
|
invoke_method_thunk(CACHED_METHOD_THUNK(SignalAwaiter, FailureCallback), awaiter, &exc);
|
|
GD_MONO_END_RUNTIME_INVOKE;
|
|
|
|
if (exc) {
|
|
GDMonoUtils::set_pending_exception(exc);
|
|
ERR_FAIL();
|
|
}
|
|
}
|
|
}
|
|
}
|