mirror of
https://github.com/godotengine/godot.git
synced 2024-12-09 10:09:20 +08:00
228 lines
8.3 KiB
C++
228 lines
8.3 KiB
C++
/*************************************************************************/
|
|
/* signal_awaiter_utils.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 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_cache.h"
|
|
#include "mono_gd/gd_mono_class.h"
|
|
#include "mono_gd/gd_mono_marshal.h"
|
|
#include "mono_gd/gd_mono_utils.h"
|
|
|
|
Error gd_mono_connect_signal_awaiter(Object *p_source, const StringName &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);
|
|
|
|
// TODO: Use pooling for ManagedCallable instances.
|
|
SignalAwaiterCallable *awaiter_callable = memnew(SignalAwaiterCallable(p_target, p_awaiter, p_signal));
|
|
Callable callable = Callable(awaiter_callable);
|
|
|
|
return p_source->connect(p_signal, callable, Vector<Variant>(), Object::CONNECT_ONESHOT);
|
|
}
|
|
|
|
bool SignalAwaiterCallable::compare_equal(const CallableCustom *p_a, const CallableCustom *p_b) {
|
|
const SignalAwaiterCallable *a = static_cast<const SignalAwaiterCallable *>(p_a);
|
|
const SignalAwaiterCallable *b = static_cast<const SignalAwaiterCallable *>(p_b);
|
|
|
|
if (a->target_id != b->target_id)
|
|
return false;
|
|
|
|
if (a->signal != b->signal)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SignalAwaiterCallable::compare_less(const CallableCustom *p_a, const CallableCustom *p_b) {
|
|
if (compare_equal(p_a, p_b))
|
|
return false;
|
|
return p_a < p_b;
|
|
}
|
|
|
|
uint32_t SignalAwaiterCallable::hash() const {
|
|
uint32_t hash = signal.hash();
|
|
return hash_djb2_one_64(target_id, hash);
|
|
}
|
|
|
|
String SignalAwaiterCallable::get_as_text() const {
|
|
Object *base = ObjectDB::get_instance(target_id);
|
|
if (base) {
|
|
String class_name = base->get_class();
|
|
Ref<Script> script = base->get_script();
|
|
if (script.is_valid() && script->get_path().is_resource_file()) {
|
|
|
|
class_name += "(" + script->get_path().get_file() + ")";
|
|
}
|
|
return class_name + "::SignalAwaiterMiddleman::" + String(signal);
|
|
} else {
|
|
return "null::SignalAwaiterMiddleman::" + String(signal);
|
|
}
|
|
}
|
|
|
|
CallableCustom::CompareEqualFunc SignalAwaiterCallable::get_compare_equal_func() const {
|
|
return compare_equal_func_ptr;
|
|
}
|
|
|
|
CallableCustom::CompareLessFunc SignalAwaiterCallable::get_compare_less_func() const {
|
|
return compare_less_func_ptr;
|
|
}
|
|
|
|
ObjectID SignalAwaiterCallable::get_object() const {
|
|
return target_id;
|
|
}
|
|
|
|
void SignalAwaiterCallable::call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
|
|
r_call_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD; // Can't find anything better
|
|
r_return_value = Variant();
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
ERR_FAIL_COND_MSG(target_id.is_valid() && !ObjectDB::get_instance(target_id),
|
|
"Resumed after await, but class instance is gone.");
|
|
#endif
|
|
|
|
MonoArray *signal_args = mono_array_new(mono_domain_get(), CACHED_CLASS_RAW(MonoObject), p_argcount);
|
|
|
|
for (int i = 0; i < p_argcount; i++) {
|
|
MonoObject *boxed = GDMonoMarshal::variant_to_mono_object(*p_arguments[i]);
|
|
mono_array_setref(signal_args, i, boxed);
|
|
}
|
|
|
|
MonoObject *awaiter = awaiter_handle.get_target();
|
|
|
|
if (!awaiter) {
|
|
r_call_error.error = Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL;
|
|
return;
|
|
}
|
|
|
|
MonoException *exc = nullptr;
|
|
CACHED_METHOD_THUNK(SignalAwaiter, SignalCallback).invoke(awaiter, signal_args, &exc);
|
|
|
|
if (exc) {
|
|
GDMonoUtils::set_pending_exception(exc);
|
|
ERR_FAIL();
|
|
} else {
|
|
r_call_error.error = Callable::CallError::CALL_OK;
|
|
}
|
|
}
|
|
|
|
SignalAwaiterCallable::SignalAwaiterCallable(Object *p_target, MonoObject *p_awaiter, const StringName &p_signal) :
|
|
target_id(p_target->get_instance_id()),
|
|
awaiter_handle(MonoGCHandleData::new_strong_handle(p_awaiter)),
|
|
signal(p_signal) {
|
|
}
|
|
|
|
SignalAwaiterCallable::~SignalAwaiterCallable() {
|
|
awaiter_handle.release();
|
|
}
|
|
|
|
bool EventSignalCallable::compare_equal(const CallableCustom *p_a, const CallableCustom *p_b) {
|
|
const EventSignalCallable *a = static_cast<const EventSignalCallable *>(p_a);
|
|
const EventSignalCallable *b = static_cast<const EventSignalCallable *>(p_b);
|
|
|
|
if (a->owner != b->owner)
|
|
return false;
|
|
|
|
if (a->event_signal != b->event_signal)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool EventSignalCallable::compare_less(const CallableCustom *p_a, const CallableCustom *p_b) {
|
|
if (compare_equal(p_a, p_b))
|
|
return false;
|
|
return p_a < p_b;
|
|
}
|
|
|
|
uint32_t EventSignalCallable::hash() const {
|
|
uint32_t hash = event_signal->field->get_name().hash();
|
|
return hash_djb2_one_64(owner->get_instance_id(), hash);
|
|
}
|
|
|
|
String EventSignalCallable::get_as_text() const {
|
|
String class_name = owner->get_class();
|
|
Ref<Script> script = owner->get_script();
|
|
if (script.is_valid() && script->get_path().is_resource_file()) {
|
|
class_name += "(" + script->get_path().get_file() + ")";
|
|
}
|
|
StringName signal = event_signal->field->get_name();
|
|
return class_name + "::EventSignalMiddleman::" + String(signal);
|
|
}
|
|
|
|
CallableCustom::CompareEqualFunc EventSignalCallable::get_compare_equal_func() const {
|
|
return compare_equal_func_ptr;
|
|
}
|
|
|
|
CallableCustom::CompareLessFunc EventSignalCallable::get_compare_less_func() const {
|
|
return compare_less_func_ptr;
|
|
}
|
|
|
|
ObjectID EventSignalCallable::get_object() const {
|
|
return owner->get_instance_id();
|
|
}
|
|
|
|
StringName EventSignalCallable::get_signal() const {
|
|
return event_signal->field->get_name();
|
|
}
|
|
|
|
void EventSignalCallable::call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
|
|
r_call_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD; // Can't find anything better
|
|
r_return_value = Variant();
|
|
|
|
ERR_FAIL_COND(p_argcount < event_signal->invoke_method->get_parameters_count());
|
|
|
|
CSharpInstance *csharp_instance = CAST_CSHARP_INSTANCE(owner->get_script_instance());
|
|
ERR_FAIL_NULL(csharp_instance);
|
|
|
|
MonoObject *owner_managed = csharp_instance->get_mono_object();
|
|
ERR_FAIL_NULL(owner_managed);
|
|
|
|
MonoObject *delegate_field_value = event_signal->field->get_value(owner_managed);
|
|
if (!delegate_field_value) {
|
|
r_call_error.error = Callable::CallError::CALL_OK;
|
|
return;
|
|
}
|
|
|
|
MonoException *exc = nullptr;
|
|
event_signal->invoke_method->invoke(delegate_field_value, p_arguments, &exc);
|
|
|
|
if (exc) {
|
|
GDMonoUtils::set_pending_exception(exc);
|
|
ERR_FAIL();
|
|
} else {
|
|
r_call_error.error = Callable::CallError::CALL_OK;
|
|
}
|
|
}
|
|
|
|
EventSignalCallable::EventSignalCallable(Object *p_owner, const CSharpScript::EventSignal *p_event_signal) :
|
|
owner(p_owner),
|
|
event_signal(p_event_signal) {
|
|
}
|