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authorreduz <reduzio@gmail.com>2020-11-07 19:33:38 -0300
committerreduz <reduzio@gmail.com>2020-11-07 20:17:12 -0300
commit127458ed175c5aeac8dee7f09d23fae4c8928eb7 (patch)
treea1dd3ae46bf575cb8296df38568dfce237c6ecd8 /core/object/reference.cpp
parent30b6db99a99a94c64d906c1b828ff44f79a1bc75 (diff)
Reorganized core/ directory, it was too fatty already
-Removed FuncRef, since Callable makes it obsolete -Removed int_types.h as its obsolete in c++11+ -Changed color names code
Diffstat (limited to 'core/object/reference.cpp')
-rw-r--r--core/object/reference.cpp132
1 files changed, 132 insertions, 0 deletions
diff --git a/core/object/reference.cpp b/core/object/reference.cpp
new file mode 100644
index 0000000000..ce95d83dfc
--- /dev/null
+++ b/core/object/reference.cpp
@@ -0,0 +1,132 @@
+/*************************************************************************/
+/* reference.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 "reference.h"
+
+#include "core/object/script_language.h"
+
+bool Reference::init_ref() {
+ if (reference()) {
+ if (!is_referenced() && refcount_init.unref()) {
+ unreference(); // first referencing is already 1, so compensate for the ref above
+ }
+
+ return true;
+ } else {
+ return false;
+ }
+}
+
+void Reference::_bind_methods() {
+ ClassDB::bind_method(D_METHOD("init_ref"), &Reference::init_ref);
+ ClassDB::bind_method(D_METHOD("reference"), &Reference::reference);
+ ClassDB::bind_method(D_METHOD("unreference"), &Reference::unreference);
+}
+
+int Reference::reference_get_count() const {
+ return refcount.get();
+}
+
+bool Reference::reference() {
+ uint32_t rc_val = refcount.refval();
+ bool success = rc_val != 0;
+
+ if (success && rc_val <= 2 /* higher is not relevant */) {
+ if (get_script_instance()) {
+ get_script_instance()->refcount_incremented();
+ }
+ if (instance_binding_count > 0 && !ScriptServer::are_languages_finished()) {
+ for (int i = 0; i < MAX_SCRIPT_INSTANCE_BINDINGS; i++) {
+ if (_script_instance_bindings[i]) {
+ ScriptServer::get_language(i)->refcount_incremented_instance_binding(this);
+ }
+ }
+ }
+ }
+
+ return success;
+}
+
+bool Reference::unreference() {
+ uint32_t rc_val = refcount.unrefval();
+ bool die = rc_val == 0;
+
+ if (rc_val <= 1 /* higher is not relevant */) {
+ if (get_script_instance()) {
+ bool script_ret = get_script_instance()->refcount_decremented();
+ die = die && script_ret;
+ }
+ if (instance_binding_count > 0 && !ScriptServer::are_languages_finished()) {
+ for (int i = 0; i < MAX_SCRIPT_INSTANCE_BINDINGS; i++) {
+ if (_script_instance_bindings[i]) {
+ bool script_ret = ScriptServer::get_language(i)->refcount_decremented_instance_binding(this);
+ die = die && script_ret;
+ }
+ }
+ }
+ }
+
+ return die;
+}
+
+Reference::Reference() :
+ Object(true) {
+ refcount.init();
+ refcount_init.init();
+}
+
+Variant WeakRef::get_ref() const {
+ if (ref.is_null()) {
+ return Variant();
+ }
+
+ Object *obj = ObjectDB::get_instance(ref);
+ if (!obj) {
+ return Variant();
+ }
+ Reference *r = cast_to<Reference>(obj);
+ if (r) {
+ return REF(r);
+ }
+
+ return obj;
+}
+
+void WeakRef::set_obj(Object *p_object) {
+ ref = p_object ? p_object->get_instance_id() : ObjectID();
+}
+
+void WeakRef::set_ref(const REF &p_ref) {
+ ref = p_ref.is_valid() ? p_ref->get_instance_id() : ObjectID();
+}
+
+void WeakRef::_bind_methods() {
+ ClassDB::bind_method(D_METHOD("get_ref"), &WeakRef::get_ref);
+}