Add _start_load(), _finish_load() to Resource

Author: nikitalita

core/io/resource.cpp

@@ -730,6 +730,10 @@ String Resource::get_id_for_path(const String &p_referrer_path) const {
 #endif
 }
 
+void Resource::_start_load(const StringName &p_res_format_type, int p_res_format_version) {}
+
+void Resource::_finish_load(const StringName &p_res_format_type, int p_res_format_version) {}
+
 void Resource::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_path", "path"), &Resource::_set_path);
 	ClassDB::bind_method(D_METHOD("take_over_path", "path"), &Resource::_take_over_path);

core/io/resource.h

@@ -188,6 +188,9 @@ class Resource : public RefCounted {
 	void set_id_for_path(const String &p_referrer_path, const String &p_id) { set_resource_id_for_path(p_referrer_path, get_path(), p_id); }
 	String get_id_for_path(const String &p_referrer_path) const;
 
+	virtual void _start_load(const StringName &p_res_format_type, int p_res_format_version);
+	virtual void _finish_load(const StringName &p_res_format_type, int p_res_format_version);
+
 	Resource();
 	~Resource();
 };

core/io/resource_format_binary.cpp

@@ -810,6 +810,8 @@ Error ResourceLoaderBinary::load() {
 			internal_index_cache[path] = res;
 		}
 
+		res->_start_load(SNAME("binary"), ver_format);
+
 		int pc = f->get_32();
 
 		//set properties
@@ -886,6 +888,8 @@ Error ResourceLoaderBinary::load() {
 		res->set_edited(false);
 #endif
 
+		res->_finish_load(SNAME("binary"), ver_format);
+
 		if (progress) {
 			*progress = (i + 1) / float(internal_resources.size());
 		}

scene/resources/resource_format_text.cpp

@@ -186,6 +186,7 @@ Ref<PackedScene> ResourceLoaderText::_parse_node_tag(VariantParser::ResourcePars
 	if (packed_scene.is_null()) {
 		packed_scene.instantiate();
 	}
+	packed_scene->_start_load(SNAME("text"), format_version);
 
 	while (true) {
 		if (next_tag.name == "node") {
@@ -294,6 +295,7 @@ Ref<PackedScene> ResourceLoaderText::_parse_node_tag(VariantParser::ResourcePars
 						return Ref<PackedScene>();
 					} else {
 						error = OK;
+						packed_scene->_finish_load(SNAME("text"), format_version);
 						return packed_scene;
 					}
 				}
@@ -385,6 +387,7 @@ Ref<PackedScene> ResourceLoaderText::_parse_node_tag(VariantParser::ResourcePars
 					return Ref<PackedScene>();
 				} else {
 					error = OK;
+					packed_scene->_finish_load("text", format_version);
 					return packed_scene;
 				}
 			}
@@ -408,6 +411,7 @@ Ref<PackedScene> ResourceLoaderText::_parse_node_tag(VariantParser::ResourcePars
 					return Ref<PackedScene>();
 				} else {
 					error = OK;
+					packed_scene->_finish_load("text", format_version);
 					return packed_scene;
 				}
 			}
@@ -629,6 +633,7 @@ Error ResourceLoaderText::load() {
 
 		int_resources[id] = res; // Always assign int resources.
 		if (do_assign) {
+			res->_start_load(SNAME("text"), format_version);
 			if (cache_mode != ResourceFormatLoader::CACHE_MODE_IGNORE) {
 				res->set_path(path, cache_mode == ResourceFormatLoader::CACHE_MODE_REPLACE);
 			} else {
@@ -714,6 +719,10 @@ Error ResourceLoaderText::load() {
 		if (!missing_resource_properties.is_empty()) {
 			res->set_meta(META_MISSING_RESOURCES, missing_resource_properties);
 		}
+
+		if (do_assign) {
+			res->_finish_load(SNAME("text"), format_version);
+		}
 	}
 
 	while (true) {
@@ -766,6 +775,8 @@ Error ResourceLoaderText::load() {
 			}
 		}
 
+		resource->_start_load(SNAME("text"), format_version);
+
 		Dictionary missing_resource_properties;
 
 		while (true) {
@@ -859,6 +870,7 @@ Error ResourceLoaderText::load() {
 		if (!missing_resource_properties.is_empty()) {
 			resource->set_meta(META_MISSING_RESOURCES, missing_resource_properties);
 		}
+		resource->_finish_load(SNAME("text"), format_version);
 
 		error = OK;
 

scene/resources/resource_format_text.h

@@ -65,7 +65,7 @@ class ResourceLoaderText {
 	};
 
 	bool is_scene = false;
-	int format_version;
+	int format_version = 0;
 	String res_type;
 
 	bool ignore_resource_parsing = false;