1303 lines
55 KiB
C++
1303 lines
55 KiB
C++
/**************************************************************************/
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/* gdextension.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "gdextension.h"
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#include "core/config/project_settings.h"
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#include "core/io/dir_access.h"
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#include "core/object/class_db.h"
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#include "core/object/method_bind.h"
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#include "core/os/os.h"
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#include "core/version.h"
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#include "gdextension_manager.h"
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extern void gdextension_setup_interface();
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extern GDExtensionInterfaceFunctionPtr gdextension_get_proc_address(const char *p_name);
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typedef GDExtensionBool (*GDExtensionLegacyInitializationFunction)(void *p_interface, GDExtensionClassLibraryPtr p_library, GDExtensionInitialization *r_initialization);
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String GDExtension::get_extension_list_config_file() {
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return ProjectSettings::get_singleton()->get_project_data_path().path_join("extension_list.cfg");
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}
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String GDExtension::find_extension_library(const String &p_path, Ref<ConfigFile> p_config, std::function<bool(String)> p_has_feature, PackedStringArray *r_tags) {
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// First, check the explicit libraries.
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if (p_config->has_section("libraries")) {
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List<String> libraries;
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p_config->get_section_keys("libraries", &libraries);
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// Iterate the libraries, finding the best matching tags.
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String best_library_path;
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Vector<String> best_library_tags;
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for (const String &E : libraries) {
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Vector<String> tags = E.split(".");
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bool all_tags_met = true;
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for (int i = 0; i < tags.size(); i++) {
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String tag = tags[i].strip_edges();
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if (!p_has_feature(tag)) {
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all_tags_met = false;
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break;
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}
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}
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if (all_tags_met && tags.size() > best_library_tags.size()) {
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best_library_path = p_config->get_value("libraries", E);
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best_library_tags = tags;
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}
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}
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if (!best_library_path.is_empty()) {
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if (best_library_path.is_relative_path()) {
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best_library_path = p_path.get_base_dir().path_join(best_library_path);
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}
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if (r_tags != nullptr) {
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r_tags->append_array(best_library_tags);
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}
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return best_library_path;
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}
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}
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// Second, try to autodetect
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String autodetect_library_prefix;
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if (p_config->has_section_key("configuration", "autodetect_library_prefix")) {
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autodetect_library_prefix = p_config->get_value("configuration", "autodetect_library_prefix");
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}
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if (!autodetect_library_prefix.is_empty()) {
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String autodetect_path = autodetect_library_prefix;
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if (autodetect_path.is_relative_path()) {
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autodetect_path = p_path.get_base_dir().path_join(autodetect_path);
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}
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// Find the folder and file parts of the prefix.
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String folder;
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String file_prefix;
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if (DirAccess::dir_exists_absolute(autodetect_path)) {
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folder = autodetect_path;
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} else if (DirAccess::dir_exists_absolute(autodetect_path.get_base_dir())) {
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folder = autodetect_path.get_base_dir();
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file_prefix = autodetect_path.get_file();
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} else {
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ERR_FAIL_V_MSG(String(), vformat("Error in extension: %s. Could not find folder for automatic detection of libraries files. autodetect_library_prefix=\"%s\"", p_path, autodetect_library_prefix));
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}
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// Open the folder.
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Ref<DirAccess> dir = DirAccess::open(folder);
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ERR_FAIL_COND_V_MSG(!dir.is_valid(), String(), vformat("Error in extension: %s. Could not open folder for automatic detection of libraries files. autodetect_library_prefix=\"%s\"", p_path, autodetect_library_prefix));
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// Iterate the files and check the prefixes, finding the best matching file.
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String best_file;
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Vector<String> best_file_tags;
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dir->list_dir_begin();
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String file_name = dir->_get_next();
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while (file_name != "") {
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if (!dir->current_is_dir() && file_name.begins_with(file_prefix)) {
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// Check if the files matches all requested feature tags.
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String tags_str = file_name.trim_prefix(file_prefix);
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tags_str = tags_str.trim_suffix(tags_str.get_extension());
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Vector<String> tags = tags_str.split(".", false);
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bool all_tags_met = true;
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for (int i = 0; i < tags.size(); i++) {
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String tag = tags[i].strip_edges();
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if (!p_has_feature(tag)) {
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all_tags_met = false;
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break;
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}
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}
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// If all tags are found in the feature list, and we found more tags than before, use this file.
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if (all_tags_met && tags.size() > best_file_tags.size()) {
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best_file_tags = tags;
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best_file = file_name;
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}
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}
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file_name = dir->_get_next();
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}
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if (!best_file.is_empty()) {
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String library_path = folder.path_join(best_file);
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if (r_tags != nullptr) {
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r_tags->append_array(best_file_tags);
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}
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return library_path;
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}
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}
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return String();
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}
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class GDExtensionMethodBind : public MethodBind {
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GDExtensionClassMethodCall call_func;
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GDExtensionClassMethodValidatedCall validated_call_func;
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GDExtensionClassMethodPtrCall ptrcall_func;
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void *method_userdata;
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bool vararg;
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uint32_t argument_count;
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PropertyInfo return_value_info;
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GodotTypeInfo::Metadata return_value_metadata;
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List<PropertyInfo> arguments_info;
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List<GodotTypeInfo::Metadata> arguments_metadata;
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#ifdef TOOLS_ENABLED
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friend class GDExtension;
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StringName name;
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bool is_reloading = false;
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bool valid = true;
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#endif
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protected:
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virtual Variant::Type _gen_argument_type(int p_arg) const override {
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if (p_arg < 0) {
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return return_value_info.type;
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} else {
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return arguments_info[p_arg].type;
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}
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}
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virtual PropertyInfo _gen_argument_type_info(int p_arg) const override {
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if (p_arg < 0) {
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return return_value_info;
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} else {
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return arguments_info[p_arg];
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}
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}
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public:
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#ifdef TOOLS_ENABLED
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virtual bool is_valid() const override { return valid; }
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#endif
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#ifdef DEBUG_METHODS_ENABLED
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virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const override {
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if (p_arg < 0) {
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return return_value_metadata;
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} else {
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return arguments_metadata[p_arg];
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}
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}
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#endif
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virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) const override {
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#ifdef TOOLS_ENABLED
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ERR_FAIL_COND_V_MSG(!valid, Variant(), vformat("Cannot call invalid GDExtension method bind '%s'. It's probably cached - you may need to restart Godot.", name));
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ERR_FAIL_COND_V_MSG(p_object && p_object->is_extension_placeholder(), Variant(), vformat("Cannot call GDExtension method bind '%s' on placeholder instance.", name));
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#endif
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Variant ret;
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GDExtensionClassInstancePtr extension_instance = is_static() ? nullptr : p_object->_get_extension_instance();
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GDExtensionCallError ce{ GDEXTENSION_CALL_OK, 0, 0 };
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call_func(method_userdata, extension_instance, reinterpret_cast<GDExtensionConstVariantPtr *>(p_args), p_arg_count, (GDExtensionVariantPtr)&ret, &ce);
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r_error.error = Callable::CallError::Error(ce.error);
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r_error.argument = ce.argument;
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r_error.expected = ce.expected;
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return ret;
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}
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virtual void validated_call(Object *p_object, const Variant **p_args, Variant *r_ret) const override {
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#ifdef TOOLS_ENABLED
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ERR_FAIL_COND_MSG(!valid, vformat("Cannot call invalid GDExtension method bind '%s'. It's probably cached - you may need to restart Godot.", name));
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ERR_FAIL_COND_MSG(p_object && p_object->is_extension_placeholder(), vformat("Cannot call GDExtension method bind '%s' on placeholder instance.", name));
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#endif
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ERR_FAIL_COND_MSG(vararg, "Vararg methods don't have validated call support. This is most likely an engine bug.");
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GDExtensionClassInstancePtr extension_instance = is_static() ? nullptr : p_object->_get_extension_instance();
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if (validated_call_func) {
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// This is added here, but it's unlikely to be provided by most extensions.
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validated_call_func(method_userdata, extension_instance, reinterpret_cast<GDExtensionConstVariantPtr *>(p_args), (GDExtensionVariantPtr)r_ret);
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} else {
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// If not provided, go via ptrcall, which is faster than resorting to regular call.
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const void **argptrs = (const void **)alloca(argument_count * sizeof(void *));
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for (uint32_t i = 0; i < argument_count; i++) {
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argptrs[i] = VariantInternal::get_opaque_pointer(p_args[i]);
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}
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void *ret_opaque = nullptr;
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if (r_ret) {
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VariantInternal::initialize(r_ret, return_value_info.type);
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ret_opaque = r_ret->get_type() == Variant::NIL ? r_ret : VariantInternal::get_opaque_pointer(r_ret);
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}
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ptrcall(p_object, argptrs, ret_opaque);
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if (r_ret && r_ret->get_type() == Variant::OBJECT) {
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VariantInternal::update_object_id(r_ret);
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}
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}
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}
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virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) const override {
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#ifdef TOOLS_ENABLED
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ERR_FAIL_COND_MSG(!valid, vformat("Cannot call invalid GDExtension method bind '%s'. It's probably cached - you may need to restart Godot.", name));
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ERR_FAIL_COND_MSG(p_object && p_object->is_extension_placeholder(), vformat("Cannot call GDExtension method bind '%s' on placeholder instance.", name));
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#endif
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ERR_FAIL_COND_MSG(vararg, "Vararg methods don't have ptrcall support. This is most likely an engine bug.");
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GDExtensionClassInstancePtr extension_instance = p_object->_get_extension_instance();
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ptrcall_func(method_userdata, extension_instance, reinterpret_cast<GDExtensionConstTypePtr *>(p_args), (GDExtensionTypePtr)r_ret);
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}
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virtual bool is_vararg() const override {
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return false;
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}
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#ifdef TOOLS_ENABLED
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bool try_update(const GDExtensionClassMethodInfo *p_method_info) {
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if (is_static() != (bool)(p_method_info->method_flags & GDEXTENSION_METHOD_FLAG_STATIC)) {
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return false;
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}
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if (vararg != (bool)(p_method_info->method_flags & GDEXTENSION_METHOD_FLAG_VARARG)) {
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return false;
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}
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if (has_return() != (bool)p_method_info->has_return_value) {
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return false;
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}
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if (has_return() && return_value_info.type != (Variant::Type)p_method_info->return_value_info->type) {
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return false;
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}
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if (argument_count != p_method_info->argument_count) {
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return false;
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}
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for (uint32_t i = 0; i < p_method_info->argument_count; i++) {
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if (arguments_info[i].type != (Variant::Type)p_method_info->arguments_info[i].type) {
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return false;
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}
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}
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update(p_method_info);
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return true;
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}
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#endif
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void update(const GDExtensionClassMethodInfo *p_method_info) {
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#ifdef TOOLS_ENABLED
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name = *reinterpret_cast<StringName *>(p_method_info->name);
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#endif
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method_userdata = p_method_info->method_userdata;
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call_func = p_method_info->call_func;
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validated_call_func = nullptr;
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ptrcall_func = p_method_info->ptrcall_func;
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set_name(*reinterpret_cast<StringName *>(p_method_info->name));
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if (p_method_info->has_return_value) {
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return_value_info = PropertyInfo(*p_method_info->return_value_info);
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return_value_metadata = GodotTypeInfo::Metadata(p_method_info->return_value_metadata);
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}
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arguments_info.clear();
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arguments_metadata.clear();
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for (uint32_t i = 0; i < p_method_info->argument_count; i++) {
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arguments_info.push_back(PropertyInfo(p_method_info->arguments_info[i]));
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arguments_metadata.push_back(GodotTypeInfo::Metadata(p_method_info->arguments_metadata[i]));
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}
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set_hint_flags(p_method_info->method_flags);
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argument_count = p_method_info->argument_count;
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vararg = p_method_info->method_flags & GDEXTENSION_METHOD_FLAG_VARARG;
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_set_returns(p_method_info->has_return_value);
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_set_const(p_method_info->method_flags & GDEXTENSION_METHOD_FLAG_CONST);
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_set_static(p_method_info->method_flags & GDEXTENSION_METHOD_FLAG_STATIC);
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#ifdef DEBUG_METHODS_ENABLED
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_generate_argument_types(p_method_info->argument_count);
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#endif
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set_argument_count(p_method_info->argument_count);
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Vector<Variant> defargs;
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defargs.resize(p_method_info->default_argument_count);
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for (uint32_t i = 0; i < p_method_info->default_argument_count; i++) {
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defargs.write[i] = *static_cast<Variant *>(p_method_info->default_arguments[i]);
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}
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set_default_arguments(defargs);
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}
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explicit GDExtensionMethodBind(const GDExtensionClassMethodInfo *p_method_info) {
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update(p_method_info);
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}
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};
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#ifndef DISABLE_DEPRECATED
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void GDExtension::_register_extension_class(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo *p_extension_funcs) {
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const GDExtensionClassCreationInfo3 class_info3 = {
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p_extension_funcs->is_virtual, // GDExtensionBool is_virtual;
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p_extension_funcs->is_abstract, // GDExtensionBool is_abstract;
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true, // GDExtensionBool is_exposed;
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false, // GDExtensionBool is_runtime;
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p_extension_funcs->set_func, // GDExtensionClassSet set_func;
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p_extension_funcs->get_func, // GDExtensionClassGet get_func;
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p_extension_funcs->get_property_list_func, // GDExtensionClassGetPropertyList get_property_list_func;
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p_extension_funcs->free_property_list_func, // GDExtensionClassFreePropertyList free_property_list_func;
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p_extension_funcs->property_can_revert_func, // GDExtensionClassPropertyCanRevert property_can_revert_func;
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p_extension_funcs->property_get_revert_func, // GDExtensionClassPropertyGetRevert property_get_revert_func;
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nullptr, // GDExtensionClassValidateProperty validate_property_func;
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nullptr, // GDExtensionClassNotification2 notification_func;
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p_extension_funcs->to_string_func, // GDExtensionClassToString to_string_func;
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p_extension_funcs->reference_func, // GDExtensionClassReference reference_func;
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p_extension_funcs->unreference_func, // GDExtensionClassUnreference unreference_func;
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p_extension_funcs->create_instance_func, // GDExtensionClassCreateInstance create_instance_func; /* this one is mandatory */
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p_extension_funcs->free_instance_func, // GDExtensionClassFreeInstance free_instance_func; /* this one is mandatory */
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nullptr, // GDExtensionClassRecreateInstance recreate_instance_func;
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p_extension_funcs->get_virtual_func, // GDExtensionClassGetVirtual get_virtual_func;
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nullptr, // GDExtensionClassGetVirtualCallData get_virtual_call_data_func;
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nullptr, // GDExtensionClassCallVirtualWithData call_virtual_func;
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p_extension_funcs->get_rid_func, // GDExtensionClassGetRID get_rid;
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p_extension_funcs->class_userdata, // void *class_userdata;
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};
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const ClassCreationDeprecatedInfo legacy = {
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p_extension_funcs->notification_func,
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};
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_register_extension_class_internal(p_library, p_class_name, p_parent_class_name, &class_info3, &legacy);
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}
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void GDExtension::_register_extension_class2(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo2 *p_extension_funcs) {
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const GDExtensionClassCreationInfo3 class_info3 = {
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p_extension_funcs->is_virtual, // GDExtensionBool is_virtual;
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p_extension_funcs->is_abstract, // GDExtensionBool is_abstract;
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p_extension_funcs->is_exposed, // GDExtensionBool is_exposed;
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false, // GDExtensionBool is_runtime;
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p_extension_funcs->set_func, // GDExtensionClassSet set_func;
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p_extension_funcs->get_func, // GDExtensionClassGet get_func;
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p_extension_funcs->get_property_list_func, // GDExtensionClassGetPropertyList get_property_list_func;
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p_extension_funcs->free_property_list_func, // GDExtensionClassFreePropertyList free_property_list_func;
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p_extension_funcs->property_can_revert_func, // GDExtensionClassPropertyCanRevert property_can_revert_func;
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p_extension_funcs->property_get_revert_func, // GDExtensionClassPropertyGetRevert property_get_revert_func;
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p_extension_funcs->validate_property_func, // GDExtensionClassValidateProperty validate_property_func;
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p_extension_funcs->notification_func, // GDExtensionClassNotification2 notification_func;
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p_extension_funcs->to_string_func, // GDExtensionClassToString to_string_func;
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p_extension_funcs->reference_func, // GDExtensionClassReference reference_func;
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p_extension_funcs->unreference_func, // GDExtensionClassUnreference unreference_func;
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p_extension_funcs->create_instance_func, // GDExtensionClassCreateInstance create_instance_func; /* this one is mandatory */
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p_extension_funcs->free_instance_func, // GDExtensionClassFreeInstance free_instance_func; /* this one is mandatory */
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p_extension_funcs->recreate_instance_func, // GDExtensionClassRecreateInstance recreate_instance_func;
|
|
p_extension_funcs->get_virtual_func, // GDExtensionClassGetVirtual get_virtual_func;
|
|
p_extension_funcs->get_virtual_call_data_func, // GDExtensionClassGetVirtualCallData get_virtual_call_data_func;
|
|
p_extension_funcs->call_virtual_with_data_func, // GDExtensionClassCallVirtualWithData call_virtual_func;
|
|
p_extension_funcs->get_rid_func, // GDExtensionClassGetRID get_rid;
|
|
p_extension_funcs->class_userdata, // void *class_userdata;
|
|
};
|
|
|
|
_register_extension_class_internal(p_library, p_class_name, p_parent_class_name, &class_info3);
|
|
}
|
|
#endif // DISABLE_DEPRECATED
|
|
|
|
void GDExtension::_register_extension_class3(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo3 *p_extension_funcs) {
|
|
_register_extension_class_internal(p_library, p_class_name, p_parent_class_name, p_extension_funcs);
|
|
}
|
|
|
|
void GDExtension::_register_extension_class_internal(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo3 *p_extension_funcs, const ClassCreationDeprecatedInfo *p_deprecated_funcs) {
|
|
GDExtension *self = reinterpret_cast<GDExtension *>(p_library);
|
|
|
|
StringName class_name = *reinterpret_cast<const StringName *>(p_class_name);
|
|
StringName parent_class_name = *reinterpret_cast<const StringName *>(p_parent_class_name);
|
|
ERR_FAIL_COND_MSG(!String(class_name).is_valid_identifier(), "Attempt to register extension class '" + class_name + "', which is not a valid class identifier.");
|
|
ERR_FAIL_COND_MSG(ClassDB::class_exists(class_name), "Attempt to register extension class '" + class_name + "', which appears to be already registered.");
|
|
|
|
Extension *parent_extension = nullptr;
|
|
|
|
if (self->extension_classes.has(parent_class_name)) {
|
|
parent_extension = &self->extension_classes[parent_class_name];
|
|
} else if (ClassDB::class_exists(parent_class_name)) {
|
|
if (ClassDB::get_api_type(parent_class_name) == ClassDB::API_EXTENSION || ClassDB::get_api_type(parent_class_name) == ClassDB::API_EDITOR_EXTENSION) {
|
|
ERR_PRINT("Unimplemented yet");
|
|
//inheriting from another extension
|
|
} else {
|
|
//inheriting from engine class
|
|
}
|
|
} else {
|
|
ERR_FAIL_MSG("Attempt to register an extension class '" + String(class_name) + "' using non-existing parent class '" + String(parent_class_name) + "'");
|
|
}
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
Extension *extension = nullptr;
|
|
bool is_runtime = (bool)p_extension_funcs->is_runtime;
|
|
if (self->is_reloading && self->extension_classes.has(class_name)) {
|
|
extension = &self->extension_classes[class_name];
|
|
if (!parent_extension && parent_class_name != extension->gdextension.parent_class_name) {
|
|
ERR_FAIL_MSG(vformat("GDExtension class '%s' cannot change parent type from '%s' to '%s' on hot reload. Restart Godot for this change to take effect.", class_name, extension->gdextension.parent_class_name, parent_class_name));
|
|
}
|
|
if (extension->gdextension.is_runtime != is_runtime) {
|
|
ERR_PRINT(vformat("GDExtension class '%s' cannot change to/from runtime class on hot reload. Restart Godot for this change to take effect.", class_name));
|
|
is_runtime = extension->gdextension.is_runtime;
|
|
}
|
|
extension->is_reloading = false;
|
|
} else {
|
|
self->extension_classes[class_name] = Extension();
|
|
extension = &self->extension_classes[class_name];
|
|
}
|
|
#else
|
|
self->extension_classes[class_name] = Extension();
|
|
Extension *extension = &self->extension_classes[class_name];
|
|
#endif
|
|
|
|
if (parent_extension) {
|
|
extension->gdextension.parent = &parent_extension->gdextension;
|
|
parent_extension->gdextension.children.push_back(&extension->gdextension);
|
|
}
|
|
|
|
if (self->reloadable && p_extension_funcs->recreate_instance_func == nullptr) {
|
|
ERR_PRINT(vformat("Extension marked as reloadable, but attempted to register class '%s' which doesn't support reloading. Perhaps your language binding don't support it? Reloading disabled for this extension.", class_name));
|
|
self->reloadable = false;
|
|
}
|
|
|
|
extension->gdextension.library = self;
|
|
extension->gdextension.parent_class_name = parent_class_name;
|
|
extension->gdextension.class_name = class_name;
|
|
extension->gdextension.editor_class = self->level_initialized == INITIALIZATION_LEVEL_EDITOR;
|
|
extension->gdextension.is_virtual = p_extension_funcs->is_virtual;
|
|
extension->gdextension.is_abstract = p_extension_funcs->is_abstract;
|
|
extension->gdextension.is_exposed = p_extension_funcs->is_exposed;
|
|
#ifdef TOOLS_ENABLED
|
|
extension->gdextension.is_runtime = is_runtime;
|
|
#endif
|
|
extension->gdextension.set = p_extension_funcs->set_func;
|
|
extension->gdextension.get = p_extension_funcs->get_func;
|
|
extension->gdextension.get_property_list = p_extension_funcs->get_property_list_func;
|
|
extension->gdextension.free_property_list = p_extension_funcs->free_property_list_func;
|
|
extension->gdextension.property_can_revert = p_extension_funcs->property_can_revert_func;
|
|
extension->gdextension.property_get_revert = p_extension_funcs->property_get_revert_func;
|
|
extension->gdextension.validate_property = p_extension_funcs->validate_property_func;
|
|
#ifndef DISABLE_DEPRECATED
|
|
if (p_deprecated_funcs) {
|
|
extension->gdextension.notification = p_deprecated_funcs->notification_func;
|
|
}
|
|
#endif // DISABLE_DEPRECATED
|
|
extension->gdextension.notification2 = p_extension_funcs->notification_func;
|
|
extension->gdextension.to_string = p_extension_funcs->to_string_func;
|
|
extension->gdextension.reference = p_extension_funcs->reference_func;
|
|
extension->gdextension.unreference = p_extension_funcs->unreference_func;
|
|
extension->gdextension.class_userdata = p_extension_funcs->class_userdata;
|
|
extension->gdextension.create_instance = p_extension_funcs->create_instance_func;
|
|
extension->gdextension.free_instance = p_extension_funcs->free_instance_func;
|
|
extension->gdextension.recreate_instance = p_extension_funcs->recreate_instance_func;
|
|
extension->gdextension.get_virtual = p_extension_funcs->get_virtual_func;
|
|
extension->gdextension.get_virtual_call_data = p_extension_funcs->get_virtual_call_data_func;
|
|
extension->gdextension.call_virtual_with_data = p_extension_funcs->call_virtual_with_data_func;
|
|
extension->gdextension.get_rid = p_extension_funcs->get_rid_func;
|
|
|
|
extension->gdextension.reloadable = self->reloadable;
|
|
#ifdef TOOLS_ENABLED
|
|
if (extension->gdextension.reloadable) {
|
|
extension->gdextension.tracking_userdata = extension;
|
|
extension->gdextension.track_instance = &GDExtension::_track_instance;
|
|
extension->gdextension.untrack_instance = &GDExtension::_untrack_instance;
|
|
} else {
|
|
extension->gdextension.tracking_userdata = nullptr;
|
|
extension->gdextension.track_instance = nullptr;
|
|
extension->gdextension.untrack_instance = nullptr;
|
|
}
|
|
#endif
|
|
|
|
ClassDB::register_extension_class(&extension->gdextension);
|
|
}
|
|
|
|
void GDExtension::_register_extension_class_method(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionClassMethodInfo *p_method_info) {
|
|
GDExtension *self = reinterpret_cast<GDExtension *>(p_library);
|
|
|
|
StringName class_name = *reinterpret_cast<const StringName *>(p_class_name);
|
|
StringName method_name = *reinterpret_cast<const StringName *>(p_method_info->name);
|
|
ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension method '" + String(method_name) + "' for unexisting class '" + class_name + "'.");
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
Extension *extension = &self->extension_classes[class_name];
|
|
GDExtensionMethodBind *method = nullptr;
|
|
|
|
// If the extension is still marked as reloading, that means it failed to register again.
|
|
if (extension->is_reloading) {
|
|
return;
|
|
}
|
|
|
|
if (self->is_reloading && extension->methods.has(method_name)) {
|
|
method = extension->methods[method_name];
|
|
|
|
// Try to update the method bind. If it doesn't work (because it's incompatible) then
|
|
// mark as invalid and create a new one.
|
|
if (!method->is_reloading || !method->try_update(p_method_info)) {
|
|
method->valid = false;
|
|
self->invalid_methods.push_back(method);
|
|
|
|
method = nullptr;
|
|
}
|
|
}
|
|
|
|
if (method == nullptr) {
|
|
method = memnew(GDExtensionMethodBind(p_method_info));
|
|
method->set_instance_class(class_name);
|
|
extension->methods[method_name] = method;
|
|
} else {
|
|
method->is_reloading = false;
|
|
}
|
|
#else
|
|
GDExtensionMethodBind *method = memnew(GDExtensionMethodBind(p_method_info));
|
|
method->set_instance_class(class_name);
|
|
#endif
|
|
|
|
ClassDB::bind_method_custom(class_name, method);
|
|
}
|
|
|
|
void GDExtension::_register_extension_class_virtual_method(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionClassVirtualMethodInfo *p_method_info) {
|
|
StringName class_name = *reinterpret_cast<const StringName *>(p_class_name);
|
|
ClassDB::add_extension_class_virtual_method(class_name, p_method_info);
|
|
}
|
|
|
|
void GDExtension::_register_extension_class_integer_constant(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_enum_name, GDExtensionConstStringNamePtr p_constant_name, GDExtensionInt p_constant_value, GDExtensionBool p_is_bitfield) {
|
|
GDExtension *self = reinterpret_cast<GDExtension *>(p_library);
|
|
|
|
StringName class_name = *reinterpret_cast<const StringName *>(p_class_name);
|
|
StringName enum_name = *reinterpret_cast<const StringName *>(p_enum_name);
|
|
StringName constant_name = *reinterpret_cast<const StringName *>(p_constant_name);
|
|
ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension constant '" + constant_name + "' for unexisting class '" + class_name + "'.");
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
// If the extension is still marked as reloading, that means it failed to register again.
|
|
Extension *extension = &self->extension_classes[class_name];
|
|
if (extension->is_reloading) {
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
ClassDB::bind_integer_constant(class_name, enum_name, constant_name, p_constant_value, p_is_bitfield);
|
|
}
|
|
|
|
void GDExtension::_register_extension_class_property(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionPropertyInfo *p_info, GDExtensionConstStringNamePtr p_setter, GDExtensionConstStringNamePtr p_getter) {
|
|
_register_extension_class_property_indexed(p_library, p_class_name, p_info, p_setter, p_getter, -1);
|
|
}
|
|
|
|
void GDExtension::_register_extension_class_property_indexed(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionPropertyInfo *p_info, GDExtensionConstStringNamePtr p_setter, GDExtensionConstStringNamePtr p_getter, GDExtensionInt p_index) {
|
|
GDExtension *self = reinterpret_cast<GDExtension *>(p_library);
|
|
|
|
StringName class_name = *reinterpret_cast<const StringName *>(p_class_name);
|
|
StringName setter = *reinterpret_cast<const StringName *>(p_setter);
|
|
StringName getter = *reinterpret_cast<const StringName *>(p_getter);
|
|
String property_name = *reinterpret_cast<const StringName *>(p_info->name);
|
|
ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension class property '" + property_name + "' for unexisting class '" + class_name + "'.");
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
// If the extension is still marked as reloading, that means it failed to register again.
|
|
Extension *extension = &self->extension_classes[class_name];
|
|
if (extension->is_reloading) {
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
PropertyInfo pinfo(*p_info);
|
|
|
|
ClassDB::add_property(class_name, pinfo, setter, getter, p_index);
|
|
}
|
|
|
|
void GDExtension::_register_extension_class_property_group(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringPtr p_group_name, GDExtensionConstStringPtr p_prefix) {
|
|
GDExtension *self = reinterpret_cast<GDExtension *>(p_library);
|
|
|
|
StringName class_name = *reinterpret_cast<const StringName *>(p_class_name);
|
|
String group_name = *reinterpret_cast<const String *>(p_group_name);
|
|
String prefix = *reinterpret_cast<const String *>(p_prefix);
|
|
ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension class property group '" + group_name + "' for unexisting class '" + class_name + "'.");
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
// If the extension is still marked as reloading, that means it failed to register again.
|
|
Extension *extension = &self->extension_classes[class_name];
|
|
if (extension->is_reloading) {
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
ClassDB::add_property_group(class_name, group_name, prefix);
|
|
}
|
|
|
|
void GDExtension::_register_extension_class_property_subgroup(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringPtr p_subgroup_name, GDExtensionConstStringPtr p_prefix) {
|
|
GDExtension *self = reinterpret_cast<GDExtension *>(p_library);
|
|
|
|
StringName class_name = *reinterpret_cast<const StringName *>(p_class_name);
|
|
String subgroup_name = *reinterpret_cast<const String *>(p_subgroup_name);
|
|
String prefix = *reinterpret_cast<const String *>(p_prefix);
|
|
ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension class property subgroup '" + subgroup_name + "' for unexisting class '" + class_name + "'.");
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
// If the extension is still marked as reloading, that means it failed to register again.
|
|
Extension *extension = &self->extension_classes[class_name];
|
|
if (extension->is_reloading) {
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
ClassDB::add_property_subgroup(class_name, subgroup_name, prefix);
|
|
}
|
|
|
|
void GDExtension::_register_extension_class_signal(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_signal_name, const GDExtensionPropertyInfo *p_argument_info, GDExtensionInt p_argument_count) {
|
|
GDExtension *self = reinterpret_cast<GDExtension *>(p_library);
|
|
|
|
StringName class_name = *reinterpret_cast<const StringName *>(p_class_name);
|
|
StringName signal_name = *reinterpret_cast<const StringName *>(p_signal_name);
|
|
ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension class signal '" + signal_name + "' for unexisting class '" + class_name + "'.");
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
// If the extension is still marked as reloading, that means it failed to register again.
|
|
Extension *extension = &self->extension_classes[class_name];
|
|
if (extension->is_reloading) {
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
MethodInfo s;
|
|
s.name = signal_name;
|
|
for (int i = 0; i < p_argument_count; i++) {
|
|
PropertyInfo arg(p_argument_info[i]);
|
|
s.arguments.push_back(arg);
|
|
}
|
|
ClassDB::add_signal(class_name, s);
|
|
}
|
|
|
|
void GDExtension::_unregister_extension_class(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name) {
|
|
GDExtension *self = reinterpret_cast<GDExtension *>(p_library);
|
|
|
|
StringName class_name = *reinterpret_cast<const StringName *>(p_class_name);
|
|
ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to unregister unexisting extension class '" + class_name + "'.");
|
|
|
|
Extension *ext = &self->extension_classes[class_name];
|
|
#ifdef TOOLS_ENABLED
|
|
if (ext->is_reloading) {
|
|
self->_clear_extension(ext);
|
|
}
|
|
#endif
|
|
ERR_FAIL_COND_MSG(ext->gdextension.children.size(), "Attempt to unregister class '" + class_name + "' while other extension classes inherit from it.");
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
ClassDB::unregister_extension_class(class_name, !ext->is_reloading);
|
|
#else
|
|
ClassDB::unregister_extension_class(class_name);
|
|
#endif
|
|
|
|
if (ext->gdextension.parent != nullptr) {
|
|
ext->gdextension.parent->children.erase(&ext->gdextension);
|
|
}
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
if (!ext->is_reloading) {
|
|
self->extension_classes.erase(class_name);
|
|
}
|
|
|
|
GDExtensionEditorHelp::remove_class(class_name);
|
|
#else
|
|
self->extension_classes.erase(class_name);
|
|
#endif
|
|
}
|
|
|
|
void GDExtension::_get_library_path(GDExtensionClassLibraryPtr p_library, GDExtensionUninitializedStringPtr r_path) {
|
|
GDExtension *self = reinterpret_cast<GDExtension *>(p_library);
|
|
|
|
memnew_placement(r_path, String(self->library_path));
|
|
}
|
|
|
|
HashMap<StringName, GDExtensionInterfaceFunctionPtr> GDExtension::gdextension_interface_functions;
|
|
|
|
void GDExtension::register_interface_function(const StringName &p_function_name, GDExtensionInterfaceFunctionPtr p_function_pointer) {
|
|
ERR_FAIL_COND_MSG(gdextension_interface_functions.has(p_function_name), "Attempt to register interface function '" + p_function_name + "', which appears to be already registered.");
|
|
gdextension_interface_functions.insert(p_function_name, p_function_pointer);
|
|
}
|
|
|
|
GDExtensionInterfaceFunctionPtr GDExtension::get_interface_function(const StringName &p_function_name) {
|
|
GDExtensionInterfaceFunctionPtr *function = gdextension_interface_functions.getptr(p_function_name);
|
|
ERR_FAIL_NULL_V_MSG(function, nullptr, "Attempt to get non-existent interface function: " + String(p_function_name) + ".");
|
|
return *function;
|
|
}
|
|
|
|
Error GDExtension::open_library(const String &p_path, const String &p_entry_symbol) {
|
|
String abs_path = ProjectSettings::get_singleton()->globalize_path(p_path);
|
|
#if defined(WINDOWS_ENABLED) && defined(TOOLS_ENABLED)
|
|
// If running on the editor on Windows, we copy the library and open the copy.
|
|
// This is so the original file isn't locked and can be updated by a compiler.
|
|
bool library_copied = false;
|
|
if (Engine::get_singleton()->is_editor_hint()) {
|
|
if (!FileAccess::exists(abs_path)) {
|
|
ERR_PRINT("GDExtension library not found: " + library_path);
|
|
return ERR_FILE_NOT_FOUND;
|
|
}
|
|
|
|
// Copy the file to the same directory as the original with a prefix in the name.
|
|
// This is so relative path to dependencies are satisfied.
|
|
String copy_path = abs_path.get_base_dir().path_join("~" + abs_path.get_file());
|
|
|
|
// If there's a left-over copy (possibly from a crash) then delete it first.
|
|
if (FileAccess::exists(copy_path)) {
|
|
DirAccess::remove_absolute(copy_path);
|
|
}
|
|
|
|
Error copy_err = DirAccess::copy_absolute(abs_path, copy_path);
|
|
if (copy_err) {
|
|
ERR_PRINT("Error copying GDExtension library: " + library_path);
|
|
return ERR_CANT_CREATE;
|
|
}
|
|
FileAccess::set_hidden_attribute(copy_path, true);
|
|
library_copied = true;
|
|
|
|
// Save the copied path so it can be deleted later.
|
|
temp_lib_path = copy_path;
|
|
|
|
// Use the copy to open the library.
|
|
abs_path = copy_path;
|
|
}
|
|
#endif
|
|
|
|
Error err = OS::get_singleton()->open_dynamic_library(abs_path, library, true, &library_path);
|
|
ERR_FAIL_COND_V_MSG(err == ERR_FILE_NOT_FOUND, err, "GDExtension dynamic library not found: " + abs_path);
|
|
ERR_FAIL_COND_V_MSG(err != OK, err, "Can't open GDExtension dynamic library: " + abs_path);
|
|
|
|
#if defined(WINDOWS_ENABLED) && defined(TOOLS_ENABLED)
|
|
// If we copied the file, let's change the library path to point at the original,
|
|
// because that's what we want to check to see if it's changed.
|
|
if (library_copied) {
|
|
library_path = library_path.get_base_dir() + "\\" + p_path.get_file();
|
|
}
|
|
#endif
|
|
|
|
void *entry_funcptr = nullptr;
|
|
|
|
err = OS::get_singleton()->get_dynamic_library_symbol_handle(library, p_entry_symbol, entry_funcptr, false);
|
|
|
|
if (err != OK) {
|
|
ERR_PRINT("GDExtension entry point '" + p_entry_symbol + "' not found in library " + abs_path);
|
|
OS::get_singleton()->close_dynamic_library(library);
|
|
return err;
|
|
}
|
|
|
|
GDExtensionInitializationFunction initialization_function = (GDExtensionInitializationFunction)entry_funcptr;
|
|
GDExtensionBool ret = initialization_function(&gdextension_get_proc_address, this, &initialization);
|
|
|
|
if (ret) {
|
|
level_initialized = -1;
|
|
return OK;
|
|
} else {
|
|
ERR_PRINT("GDExtension initialization function '" + p_entry_symbol + "' returned an error.");
|
|
OS::get_singleton()->close_dynamic_library(library);
|
|
return FAILED;
|
|
}
|
|
}
|
|
|
|
void GDExtension::close_library() {
|
|
ERR_FAIL_NULL(library);
|
|
OS::get_singleton()->close_dynamic_library(library);
|
|
|
|
#if defined(TOOLS_ENABLED) && defined(WINDOWS_ENABLED)
|
|
// Delete temporary copy of library if it exists.
|
|
if (!temp_lib_path.is_empty() && Engine::get_singleton()->is_editor_hint()) {
|
|
DirAccess::remove_absolute(temp_lib_path);
|
|
}
|
|
#endif
|
|
|
|
library = nullptr;
|
|
class_icon_paths.clear();
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
instance_bindings.clear();
|
|
#endif
|
|
}
|
|
|
|
bool GDExtension::is_library_open() const {
|
|
return library != nullptr;
|
|
}
|
|
|
|
GDExtension::InitializationLevel GDExtension::get_minimum_library_initialization_level() const {
|
|
ERR_FAIL_NULL_V(library, INITIALIZATION_LEVEL_CORE);
|
|
return InitializationLevel(initialization.minimum_initialization_level);
|
|
}
|
|
|
|
void GDExtension::initialize_library(InitializationLevel p_level) {
|
|
ERR_FAIL_NULL(library);
|
|
ERR_FAIL_COND_MSG(p_level <= int32_t(level_initialized), vformat("Level '%d' must be higher than the current level '%d'", p_level, level_initialized));
|
|
|
|
level_initialized = int32_t(p_level);
|
|
|
|
ERR_FAIL_NULL(initialization.initialize);
|
|
|
|
initialization.initialize(initialization.userdata, GDExtensionInitializationLevel(p_level));
|
|
}
|
|
void GDExtension::deinitialize_library(InitializationLevel p_level) {
|
|
ERR_FAIL_NULL(library);
|
|
ERR_FAIL_COND(p_level > int32_t(level_initialized));
|
|
|
|
level_initialized = int32_t(p_level) - 1;
|
|
|
|
ERR_FAIL_NULL(initialization.deinitialize);
|
|
|
|
initialization.deinitialize(initialization.userdata, GDExtensionInitializationLevel(p_level));
|
|
}
|
|
|
|
void GDExtension::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("is_library_open"), &GDExtension::is_library_open);
|
|
ClassDB::bind_method(D_METHOD("get_minimum_library_initialization_level"), &GDExtension::get_minimum_library_initialization_level);
|
|
|
|
BIND_ENUM_CONSTANT(INITIALIZATION_LEVEL_CORE);
|
|
BIND_ENUM_CONSTANT(INITIALIZATION_LEVEL_SERVERS);
|
|
BIND_ENUM_CONSTANT(INITIALIZATION_LEVEL_SCENE);
|
|
BIND_ENUM_CONSTANT(INITIALIZATION_LEVEL_EDITOR);
|
|
}
|
|
|
|
GDExtension::GDExtension() {
|
|
}
|
|
|
|
GDExtension::~GDExtension() {
|
|
if (library != nullptr) {
|
|
close_library();
|
|
}
|
|
#ifdef TOOLS_ENABLED
|
|
// If we have any invalid method binds still laying around, we can finally free them!
|
|
for (GDExtensionMethodBind *E : invalid_methods) {
|
|
memdelete(E);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void GDExtension::initialize_gdextensions() {
|
|
gdextension_setup_interface();
|
|
|
|
#ifndef DISABLE_DEPRECATED
|
|
register_interface_function("classdb_register_extension_class", (GDExtensionInterfaceFunctionPtr)&GDExtension::_register_extension_class);
|
|
register_interface_function("classdb_register_extension_class2", (GDExtensionInterfaceFunctionPtr)&GDExtension::_register_extension_class2);
|
|
#endif // DISABLE_DEPRECATED
|
|
register_interface_function("classdb_register_extension_class3", (GDExtensionInterfaceFunctionPtr)&GDExtension::_register_extension_class3);
|
|
register_interface_function("classdb_register_extension_class_method", (GDExtensionInterfaceFunctionPtr)&GDExtension::_register_extension_class_method);
|
|
register_interface_function("classdb_register_extension_class_virtual_method", (GDExtensionInterfaceFunctionPtr)&GDExtension::_register_extension_class_virtual_method);
|
|
register_interface_function("classdb_register_extension_class_integer_constant", (GDExtensionInterfaceFunctionPtr)&GDExtension::_register_extension_class_integer_constant);
|
|
register_interface_function("classdb_register_extension_class_property", (GDExtensionInterfaceFunctionPtr)&GDExtension::_register_extension_class_property);
|
|
register_interface_function("classdb_register_extension_class_property_indexed", (GDExtensionInterfaceFunctionPtr)&GDExtension::_register_extension_class_property_indexed);
|
|
register_interface_function("classdb_register_extension_class_property_group", (GDExtensionInterfaceFunctionPtr)&GDExtension::_register_extension_class_property_group);
|
|
register_interface_function("classdb_register_extension_class_property_subgroup", (GDExtensionInterfaceFunctionPtr)&GDExtension::_register_extension_class_property_subgroup);
|
|
register_interface_function("classdb_register_extension_class_signal", (GDExtensionInterfaceFunctionPtr)&GDExtension::_register_extension_class_signal);
|
|
register_interface_function("classdb_unregister_extension_class", (GDExtensionInterfaceFunctionPtr)&GDExtension::_unregister_extension_class);
|
|
register_interface_function("get_library_path", (GDExtensionInterfaceFunctionPtr)&GDExtension::_get_library_path);
|
|
}
|
|
|
|
void GDExtension::finalize_gdextensions() {
|
|
gdextension_interface_functions.clear();
|
|
}
|
|
|
|
Error GDExtensionResourceLoader::load_gdextension_resource(const String &p_path, Ref<GDExtension> &p_extension) {
|
|
ERR_FAIL_COND_V_MSG(p_extension.is_valid() && p_extension->is_library_open(), ERR_ALREADY_IN_USE, "Cannot load GDExtension resource into already opened library.");
|
|
|
|
Ref<ConfigFile> config;
|
|
config.instantiate();
|
|
|
|
Error err = config->load(p_path);
|
|
|
|
if (err != OK) {
|
|
ERR_PRINT("Error loading GDExtension configuration file: " + p_path);
|
|
return err;
|
|
}
|
|
|
|
if (!config->has_section_key("configuration", "entry_symbol")) {
|
|
ERR_PRINT("GDExtension configuration file must contain a \"configuration/entry_symbol\" key: " + p_path);
|
|
return ERR_INVALID_DATA;
|
|
}
|
|
|
|
String entry_symbol = config->get_value("configuration", "entry_symbol");
|
|
|
|
uint32_t compatibility_minimum[3] = { 0, 0, 0 };
|
|
if (config->has_section_key("configuration", "compatibility_minimum")) {
|
|
String compat_string = config->get_value("configuration", "compatibility_minimum");
|
|
Vector<int> parts = compat_string.split_ints(".");
|
|
for (int i = 0; i < parts.size(); i++) {
|
|
if (i >= 3) {
|
|
break;
|
|
}
|
|
if (parts[i] >= 0) {
|
|
compatibility_minimum[i] = parts[i];
|
|
}
|
|
}
|
|
} else {
|
|
ERR_PRINT("GDExtension configuration file must contain a \"configuration/compatibility_minimum\" key: " + p_path);
|
|
return ERR_INVALID_DATA;
|
|
}
|
|
|
|
if (compatibility_minimum[0] < 4 || (compatibility_minimum[0] == 4 && compatibility_minimum[1] == 0)) {
|
|
ERR_PRINT(vformat("GDExtension's compatibility_minimum (%d.%d.%d) must be at least 4.1.0: %s", compatibility_minimum[0], compatibility_minimum[1], compatibility_minimum[2], p_path));
|
|
return ERR_INVALID_DATA;
|
|
}
|
|
|
|
bool compatible = true;
|
|
// Check version lexicographically.
|
|
if (VERSION_MAJOR != compatibility_minimum[0]) {
|
|
compatible = VERSION_MAJOR > compatibility_minimum[0];
|
|
} else if (VERSION_MINOR != compatibility_minimum[1]) {
|
|
compatible = VERSION_MINOR > compatibility_minimum[1];
|
|
} else {
|
|
compatible = VERSION_PATCH >= compatibility_minimum[2];
|
|
}
|
|
if (!compatible) {
|
|
ERR_PRINT(vformat("GDExtension only compatible with Godot version %d.%d.%d or later: %s", compatibility_minimum[0], compatibility_minimum[1], compatibility_minimum[2], p_path));
|
|
return ERR_INVALID_DATA;
|
|
}
|
|
|
|
// Optionally check maximum compatibility.
|
|
if (config->has_section_key("configuration", "compatibility_maximum")) {
|
|
uint32_t compatibility_maximum[3] = { 0, 0, 0 };
|
|
String compat_string = config->get_value("configuration", "compatibility_maximum");
|
|
Vector<int> parts = compat_string.split_ints(".");
|
|
for (int i = 0; i < 3; i++) {
|
|
if (i < parts.size() && parts[i] >= 0) {
|
|
compatibility_maximum[i] = parts[i];
|
|
} else {
|
|
// If a version part is missing, set the maximum to an arbitrary high value.
|
|
compatibility_maximum[i] = 9999;
|
|
}
|
|
}
|
|
|
|
compatible = true;
|
|
if (VERSION_MAJOR != compatibility_maximum[0]) {
|
|
compatible = VERSION_MAJOR < compatibility_maximum[0];
|
|
} else if (VERSION_MINOR != compatibility_maximum[1]) {
|
|
compatible = VERSION_MINOR < compatibility_maximum[1];
|
|
}
|
|
#if VERSION_PATCH
|
|
// #if check to avoid -Wtype-limits warning when 0.
|
|
else {
|
|
compatible = VERSION_PATCH <= compatibility_maximum[2];
|
|
}
|
|
#endif
|
|
|
|
if (!compatible) {
|
|
ERR_PRINT(vformat("GDExtension only compatible with Godot version %s or earlier: %s", compat_string, p_path));
|
|
return ERR_INVALID_DATA;
|
|
}
|
|
}
|
|
|
|
String library_path = GDExtension::find_extension_library(p_path, config, [](const String &p_feature) { return OS::get_singleton()->has_feature(p_feature); });
|
|
|
|
if (library_path.is_empty()) {
|
|
const String os_arch = OS::get_singleton()->get_name().to_lower() + "." + Engine::get_singleton()->get_architecture_name();
|
|
ERR_PRINT(vformat("No GDExtension library found for current OS and architecture (%s) in configuration file: %s", os_arch, p_path));
|
|
return ERR_FILE_NOT_FOUND;
|
|
}
|
|
|
|
bool is_static_library = library_path.ends_with(".a") || library_path.ends_with(".xcframework");
|
|
|
|
if (!library_path.is_resource_file() && !library_path.is_absolute_path()) {
|
|
library_path = p_path.get_base_dir().path_join(library_path);
|
|
}
|
|
|
|
if (p_extension.is_null()) {
|
|
p_extension.instantiate();
|
|
}
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
p_extension->set_reloadable(config->get_value("configuration", "reloadable", false) && Engine::get_singleton()->is_extension_reloading_enabled());
|
|
|
|
p_extension->update_last_modified_time(
|
|
FileAccess::get_modified_time(p_path),
|
|
FileAccess::get_modified_time(library_path));
|
|
#endif
|
|
|
|
err = p_extension->open_library(is_static_library ? String() : library_path, entry_symbol);
|
|
if (err != OK) {
|
|
#if defined(WINDOWS_ENABLED) && defined(TOOLS_ENABLED)
|
|
// If the DLL fails to load, make sure that temporary DLL copies are cleaned up.
|
|
if (Engine::get_singleton()->is_editor_hint()) {
|
|
DirAccess::remove_absolute(p_extension->get_temp_library_path());
|
|
}
|
|
#endif
|
|
|
|
// Unreference the extension so that this loading can be considered a failure.
|
|
p_extension.unref();
|
|
|
|
// Errors already logged in open_library()
|
|
return err;
|
|
}
|
|
|
|
// Handle icons if any are specified.
|
|
if (config->has_section("icons")) {
|
|
List<String> keys;
|
|
config->get_section_keys("icons", &keys);
|
|
for (const String &key : keys) {
|
|
String icon_path = config->get_value("icons", key);
|
|
if (icon_path.is_relative_path()) {
|
|
icon_path = p_path.get_base_dir().path_join(icon_path);
|
|
}
|
|
|
|
p_extension->class_icon_paths[key] = icon_path;
|
|
}
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
Ref<Resource> GDExtensionResourceLoader::load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads, float *r_progress, CacheMode p_cache_mode) {
|
|
// We can't have two GDExtension resource object representing the same library, because
|
|
// loading (or unloading) a GDExtension affects global data. So, we need reuse the same
|
|
// object if one has already been loaded (even if caching is disabled at the resource
|
|
// loader level).
|
|
GDExtensionManager *manager = GDExtensionManager::get_singleton();
|
|
if (manager->is_extension_loaded(p_path)) {
|
|
return manager->get_extension(p_path);
|
|
}
|
|
|
|
Ref<GDExtension> lib;
|
|
Error err = load_gdextension_resource(p_path, lib);
|
|
if (err != OK && r_error) {
|
|
// Errors already logged in load_gdextension_resource().
|
|
*r_error = err;
|
|
}
|
|
return lib;
|
|
}
|
|
|
|
void GDExtensionResourceLoader::get_recognized_extensions(List<String> *p_extensions) const {
|
|
p_extensions->push_back("gdextension");
|
|
}
|
|
|
|
bool GDExtensionResourceLoader::handles_type(const String &p_type) const {
|
|
return p_type == "GDExtension";
|
|
}
|
|
|
|
String GDExtensionResourceLoader::get_resource_type(const String &p_path) const {
|
|
String el = p_path.get_extension().to_lower();
|
|
if (el == "gdextension") {
|
|
return "GDExtension";
|
|
}
|
|
return "";
|
|
}
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
bool GDExtension::has_library_changed() const {
|
|
// Check only that the last modified time is different (rather than checking
|
|
// that it's newer) since some OS's (namely Windows) will preserve the modified
|
|
// time by default when copying files.
|
|
if (FileAccess::get_modified_time(get_path()) != resource_last_modified_time) {
|
|
return true;
|
|
}
|
|
if (FileAccess::get_modified_time(library_path) != library_last_modified_time) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void GDExtension::prepare_reload() {
|
|
is_reloading = true;
|
|
|
|
for (KeyValue<StringName, Extension> &E : extension_classes) {
|
|
E.value.is_reloading = true;
|
|
|
|
for (KeyValue<StringName, GDExtensionMethodBind *> &M : E.value.methods) {
|
|
M.value->is_reloading = true;
|
|
}
|
|
|
|
for (const ObjectID &obj_id : E.value.instances) {
|
|
Object *obj = ObjectDB::get_instance(obj_id);
|
|
if (!obj) {
|
|
continue;
|
|
}
|
|
|
|
// Store instance state so it can be restored after reload.
|
|
List<Pair<String, Variant>> state;
|
|
List<PropertyInfo> prop_list;
|
|
obj->get_property_list(&prop_list);
|
|
for (const PropertyInfo &P : prop_list) {
|
|
if (!(P.usage & PROPERTY_USAGE_STORAGE)) {
|
|
continue;
|
|
}
|
|
|
|
Variant value = obj->get(P.name);
|
|
Variant default_value = ClassDB::class_get_default_property_value(obj->get_class_name(), P.name);
|
|
|
|
if (default_value.get_type() != Variant::NIL && bool(Variant::evaluate(Variant::OP_EQUAL, value, default_value))) {
|
|
continue;
|
|
}
|
|
|
|
if (P.type == Variant::OBJECT && value.is_zero() && !(P.usage & PROPERTY_USAGE_STORE_IF_NULL)) {
|
|
continue;
|
|
}
|
|
|
|
state.push_back(Pair<String, Variant>(P.name, value));
|
|
}
|
|
E.value.instance_state[obj_id] = {
|
|
state, // List<Pair<String, Variant>> properties;
|
|
obj->is_extension_placeholder(), // bool is_placeholder;
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
void GDExtension::_clear_extension(Extension *p_extension) {
|
|
// Clear out hierarchy information because it may change.
|
|
p_extension->gdextension.parent = nullptr;
|
|
p_extension->gdextension.children.clear();
|
|
|
|
// Clear all objects of any GDExtension data. It will become its native parent class
|
|
// until the reload can reset the object with the new GDExtension data.
|
|
for (const ObjectID &obj_id : p_extension->instances) {
|
|
Object *obj = ObjectDB::get_instance(obj_id);
|
|
if (!obj) {
|
|
continue;
|
|
}
|
|
|
|
obj->clear_internal_extension();
|
|
}
|
|
}
|
|
|
|
void GDExtension::track_instance_binding(Object *p_object) {
|
|
instance_bindings.push_back(p_object->get_instance_id());
|
|
}
|
|
|
|
void GDExtension::untrack_instance_binding(Object *p_object) {
|
|
instance_bindings.erase(p_object->get_instance_id());
|
|
}
|
|
|
|
void GDExtension::clear_instance_bindings() {
|
|
for (ObjectID obj_id : instance_bindings) {
|
|
Object *obj = ObjectDB::get_instance(obj_id);
|
|
if (!obj) {
|
|
continue;
|
|
}
|
|
|
|
obj->free_instance_binding(this);
|
|
}
|
|
instance_bindings.clear();
|
|
}
|
|
|
|
void GDExtension::finish_reload() {
|
|
is_reloading = false;
|
|
|
|
// Clean up any classes or methods that didn't get re-added.
|
|
Vector<StringName> classes_to_remove;
|
|
for (KeyValue<StringName, Extension> &E : extension_classes) {
|
|
if (E.value.is_reloading) {
|
|
E.value.is_reloading = false;
|
|
classes_to_remove.push_back(E.key);
|
|
}
|
|
|
|
Vector<StringName> methods_to_remove;
|
|
for (KeyValue<StringName, GDExtensionMethodBind *> &M : E.value.methods) {
|
|
if (M.value->is_reloading) {
|
|
M.value->valid = false;
|
|
invalid_methods.push_back(M.value);
|
|
|
|
M.value->is_reloading = false;
|
|
methods_to_remove.push_back(M.key);
|
|
}
|
|
}
|
|
for (const StringName &method_name : methods_to_remove) {
|
|
E.value.methods.erase(method_name);
|
|
}
|
|
}
|
|
for (const StringName &class_name : classes_to_remove) {
|
|
extension_classes.erase(class_name);
|
|
}
|
|
|
|
// Reset any the extension on instances made from the classes that remain.
|
|
for (KeyValue<StringName, Extension> &E : extension_classes) {
|
|
// Loop over 'instance_state' rather than 'instance' because new instances
|
|
// may have been created when re-initializing the extension.
|
|
for (const KeyValue<ObjectID, Extension::InstanceState> &S : E.value.instance_state) {
|
|
Object *obj = ObjectDB::get_instance(S.key);
|
|
if (!obj) {
|
|
continue;
|
|
}
|
|
|
|
if (S.value.is_placeholder) {
|
|
obj->reset_internal_extension(ClassDB::get_placeholder_extension(E.value.gdextension.class_name));
|
|
} else {
|
|
obj->reset_internal_extension(&E.value.gdextension);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now that all the classes are back, restore the state.
|
|
for (KeyValue<StringName, Extension> &E : extension_classes) {
|
|
for (const KeyValue<ObjectID, Extension::InstanceState> &S : E.value.instance_state) {
|
|
Object *obj = ObjectDB::get_instance(S.key);
|
|
if (!obj) {
|
|
continue;
|
|
}
|
|
|
|
for (const Pair<String, Variant> &state : S.value.properties) {
|
|
obj->set(state.first, state.second);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Finally, let the objects know that we are done reloading them.
|
|
for (KeyValue<StringName, Extension> &E : extension_classes) {
|
|
for (const KeyValue<ObjectID, Extension::InstanceState> &S : E.value.instance_state) {
|
|
Object *obj = ObjectDB::get_instance(S.key);
|
|
if (!obj) {
|
|
continue;
|
|
}
|
|
|
|
obj->notification(NOTIFICATION_EXTENSION_RELOADED);
|
|
}
|
|
|
|
// Clear the instance state, we're done looping.
|
|
E.value.instance_state.clear();
|
|
}
|
|
}
|
|
|
|
void GDExtension::_track_instance(void *p_user_data, void *p_instance) {
|
|
Extension *extension = reinterpret_cast<Extension *>(p_user_data);
|
|
Object *obj = reinterpret_cast<Object *>(p_instance);
|
|
|
|
extension->instances.insert(obj->get_instance_id());
|
|
}
|
|
|
|
void GDExtension::_untrack_instance(void *p_user_data, void *p_instance) {
|
|
Extension *extension = reinterpret_cast<Extension *>(p_user_data);
|
|
Object *obj = reinterpret_cast<Object *>(p_instance);
|
|
|
|
extension->instances.erase(obj->get_instance_id());
|
|
}
|
|
|
|
Vector<StringName> GDExtensionEditorPlugins::extension_classes;
|
|
GDExtensionEditorPlugins::EditorPluginRegisterFunc GDExtensionEditorPlugins::editor_node_add_plugin = nullptr;
|
|
GDExtensionEditorPlugins::EditorPluginRegisterFunc GDExtensionEditorPlugins::editor_node_remove_plugin = nullptr;
|
|
|
|
void GDExtensionEditorPlugins::add_extension_class(const StringName &p_class_name) {
|
|
if (editor_node_add_plugin) {
|
|
editor_node_add_plugin(p_class_name);
|
|
} else {
|
|
extension_classes.push_back(p_class_name);
|
|
}
|
|
}
|
|
|
|
void GDExtensionEditorPlugins::remove_extension_class(const StringName &p_class_name) {
|
|
if (editor_node_remove_plugin) {
|
|
editor_node_remove_plugin(p_class_name);
|
|
} else {
|
|
extension_classes.erase(p_class_name);
|
|
}
|
|
}
|
|
|
|
GDExtensionEditorHelp::EditorHelpLoadXmlBufferFunc GDExtensionEditorHelp::editor_help_load_xml_buffer = nullptr;
|
|
GDExtensionEditorHelp::EditorHelpRemoveClassFunc GDExtensionEditorHelp::editor_help_remove_class = nullptr;
|
|
|
|
void GDExtensionEditorHelp::load_xml_buffer(const uint8_t *p_buffer, int p_size) {
|
|
ERR_FAIL_NULL(editor_help_load_xml_buffer);
|
|
editor_help_load_xml_buffer(p_buffer, p_size);
|
|
}
|
|
|
|
void GDExtensionEditorHelp::remove_class(const String &p_class) {
|
|
ERR_FAIL_NULL(editor_help_remove_class);
|
|
editor_help_remove_class(p_class);
|
|
}
|
|
#endif // TOOLS_ENABLED
|