Merge pull request #60597 from reduz/missing-node-resource-placeholders

1 files changed, 90 insertions, 0 deletions

diff --git a/core/io/missing_resource.cpp b/core/io/missing_resource.cpp
new file mode 100644
index 0000000000..7aae6c6f0a
--- /dev/null
+++ b/core/io/missing_resource.cpp
@@ -0,0 +1,90 @@
+/*************************************************************************/
+/*  missing_resource.cpp                                                 */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 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 "missing_resource.h"
+
+bool MissingResource::_set(const StringName &p_name, const Variant &p_value) {
+	if (is_recording_properties()) {
+		properties.insert(p_name, p_value);
+		return true; //always valid to set (add)
+	} else {
+		if (!properties.has(p_name)) {
+			return false;
+		}
+
+		properties[p_name] = p_value;
+		return true;
+	}
+}
+
+bool MissingResource::_get(const StringName &p_name, Variant &r_ret) const {
+	if (!properties.has(p_name)) {
+		return false;
+	}
+	r_ret = properties[p_name];
+	return true;
+}
+
+void MissingResource::_get_property_list(List<PropertyInfo> *p_list) const {
+	for (OrderedHashMap<StringName, Variant>::ConstElement E = properties.front(); E; E = E.next()) {
+		p_list->push_back(PropertyInfo(E.value().get_type(), E.key()));
+	}
+}
+
+void MissingResource::set_original_class(const String &p_class) {
+	original_class = p_class;
+}
+
+String MissingResource::get_original_class() const {
+	return original_class;
+}
+
+void MissingResource::set_recording_properties(bool p_enable) {
+	recording_properties = p_enable;
+}
+
+bool MissingResource::is_recording_properties() const {
+	return recording_properties;
+}
+
+void MissingResource::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("set_original_class", "name"), &MissingResource::set_original_class);
+	ClassDB::bind_method(D_METHOD("get_original_class"), &MissingResource::get_original_class);
+
+	ClassDB::bind_method(D_METHOD("set_recording_properties", "enable"), &MissingResource::set_recording_properties);
+	ClassDB::bind_method(D_METHOD("is_recording_properties"), &MissingResource::is_recording_properties);
+
+	// Expose, but not save.
+	ADD_PROPERTY(PropertyInfo(Variant::STRING, "original_class", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE), "set_original_class", "get_original_class");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "recording_properties", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE), "set_recording_properties", "is_recording_properties");
+}
+
+MissingResource::MissingResource() {
+}