8f0f327f02
- EditorExportPlugin's _export_begin accepts all the arguments related to the current export (is_debug, path, flags). - EditorExportPlugin API is extended with methods allowing to configure iOS export: add_ios_framework, add_ios_plist_content, add_ios_linker_flags, add_ios_bundle_file. - iOS export template now contains Godot as a static library so that it can be linked with third-party Frameworks and GDNative static libraries. - Adds method to DirAccess for recursive copying of a directory. - Fixes iOS export to work with Xcode 9 (released recently).
421 lines
14 KiB
C++
421 lines
14 KiB
C++
/*************************************************************************/
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/* gdnative.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) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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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 "gdnative.h"
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#include "global_constants.h"
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#include "io/file_access_encrypted.h"
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#include "os/file_access.h"
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#include "os/os.h"
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#include "project_settings.h"
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#include "scene/main/scene_tree.h"
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const String init_symbol = "gdnative_init";
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const String terminate_symbol = "gdnative_terminate";
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const String default_symbol_prefix = "godot_";
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// Defined in gdnative_api_struct.gen.cpp
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extern const godot_gdnative_core_api_struct api_struct;
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Map<String, Vector<Ref<GDNative> > > *GDNativeLibrary::loaded_libraries = NULL;
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GDNativeLibrary::GDNativeLibrary() {
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config_file.instance();
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symbol_prefix = default_symbol_prefix;
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if (GDNativeLibrary::loaded_libraries == NULL) {
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GDNativeLibrary::loaded_libraries = memnew((Map<String, Vector<Ref<GDNative> > >));
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}
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}
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GDNativeLibrary::~GDNativeLibrary() {
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}
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void GDNativeLibrary::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_config_file"), &GDNativeLibrary::get_config_file);
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ClassDB::bind_method(D_METHOD("get_current_library_path"), &GDNativeLibrary::get_current_library_path);
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ClassDB::bind_method(D_METHOD("get_current_dependencies"), &GDNativeLibrary::get_current_dependencies);
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ClassDB::bind_method(D_METHOD("should_load_once"), &GDNativeLibrary::should_load_once);
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ClassDB::bind_method(D_METHOD("is_singleton"), &GDNativeLibrary::is_singleton);
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ClassDB::bind_method(D_METHOD("get_symbol_prefix"), &GDNativeLibrary::get_symbol_prefix);
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ClassDB::bind_method(D_METHOD("set_load_once", "load_once"), &GDNativeLibrary::set_load_once);
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ClassDB::bind_method(D_METHOD("set_singleton", "singleton"), &GDNativeLibrary::set_singleton);
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ClassDB::bind_method(D_METHOD("set_symbol_prefix", "symbol_prefix"), &GDNativeLibrary::set_symbol_prefix);
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ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "load_once"), "set_load_once", "should_load_once");
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ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "singleton"), "set_singleton", "is_singleton");
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ADD_PROPERTYNZ(PropertyInfo(Variant::STRING, "symbol_prefix"), "set_symbol_prefix", "get_symbol_prefix");
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}
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GDNative::GDNative() {
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native_handle = NULL;
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initialized = false;
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}
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GDNative::~GDNative() {
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}
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void GDNative::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_library", "library"), &GDNative::set_library);
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ClassDB::bind_method(D_METHOD("get_library"), &GDNative::get_library);
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ClassDB::bind_method(D_METHOD("initialize"), &GDNative::initialize);
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ClassDB::bind_method(D_METHOD("terminate"), &GDNative::terminate);
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ClassDB::bind_method(D_METHOD("call_native", "calling_type", "procedure_name", "arguments"), &GDNative::call_native);
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ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT, "library", PROPERTY_HINT_RESOURCE_TYPE, "GDNativeLibrary"), "set_library", "get_library");
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}
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void GDNative::set_library(Ref<GDNativeLibrary> p_library) {
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ERR_EXPLAIN("Tried to change library of GDNative when it is already set");
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ERR_FAIL_COND(library.is_valid());
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library = p_library;
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}
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Ref<GDNativeLibrary> GDNative::get_library() {
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return library;
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}
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extern "C" void _gdnative_report_version_mismatch(const godot_object *p_library, const char *p_ext, godot_gdnative_api_version p_want, godot_gdnative_api_version p_have);
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extern "C" void _gdnative_report_loading_error(const godot_object *p_library, const char *p_what);
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bool GDNative::initialize() {
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if (library.is_null()) {
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ERR_PRINT("No library set, can't initialize GDNative object");
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return false;
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}
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String lib_path = library->get_current_library_path();
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if (lib_path.empty()) {
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ERR_PRINT("No library set for this platform");
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return false;
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}
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#ifdef IPHONE_ENABLED
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String path = "";
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#else
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String path = ProjectSettings::get_singleton()->globalize_path(lib_path);
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#endif
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if (library->should_load_once()) {
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if (GDNativeLibrary::loaded_libraries->has(lib_path)) {
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// already loaded. Don't load again.
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// copy some of the stuff instead
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this->native_handle = (*GDNativeLibrary::loaded_libraries)[lib_path][0]->native_handle;
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initialized = true;
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return true;
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}
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}
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Error err = OS::get_singleton()->open_dynamic_library(path, native_handle);
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if (err != OK) {
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return false;
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}
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void *library_init;
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// we cheat here a little bit. you saw nothing
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initialized = true;
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err = get_symbol(library->get_symbol_prefix() + init_symbol, library_init, false);
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initialized = false;
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if (err || !library_init) {
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OS::get_singleton()->close_dynamic_library(native_handle);
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native_handle = NULL;
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ERR_PRINT("Failed to obtain godot_gdnative_init symbol");
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return false;
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}
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godot_gdnative_init_fn library_init_fpointer;
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library_init_fpointer = (godot_gdnative_init_fn)library_init;
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godot_gdnative_init_options options;
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options.api_struct = &api_struct;
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options.in_editor = Engine::get_singleton()->is_editor_hint();
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options.core_api_hash = ClassDB::get_api_hash(ClassDB::API_CORE);
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options.editor_api_hash = ClassDB::get_api_hash(ClassDB::API_EDITOR);
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options.no_api_hash = ClassDB::get_api_hash(ClassDB::API_NONE);
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options.report_version_mismatch = &_gdnative_report_version_mismatch;
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options.report_loading_error = &_gdnative_report_loading_error;
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options.gd_native_library = (godot_object *)(get_library().ptr());
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options.active_library_path = (godot_string *)&path;
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library_init_fpointer(&options);
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initialized = true;
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if (library->should_load_once() && !GDNativeLibrary::loaded_libraries->has(lib_path)) {
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Vector<Ref<GDNative> > gdnatives;
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gdnatives.resize(1);
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gdnatives[0] = Ref<GDNative>(this);
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GDNativeLibrary::loaded_libraries->insert(lib_path, gdnatives);
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}
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return true;
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}
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bool GDNative::terminate() {
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if (!initialized) {
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ERR_PRINT("No valid library handle, can't terminate GDNative object");
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return false;
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}
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if (library->should_load_once()) {
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Vector<Ref<GDNative> > *gdnatives = &(*GDNativeLibrary::loaded_libraries)[library->get_current_library_path()];
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if (gdnatives->size() > 1) {
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// there are other GDNative's still using this library, so we actually don't terminte
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gdnatives->erase(Ref<GDNative>(this));
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initialized = false;
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return true;
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} else if (gdnatives->size() == 1) {
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// we're the last one, terminate!
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gdnatives->clear();
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// wew this looks scary, but all it does is remove the entry completely
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GDNativeLibrary::loaded_libraries->erase(GDNativeLibrary::loaded_libraries->find(library->get_current_library_path()));
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}
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}
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void *library_terminate;
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Error error = get_symbol(library->get_symbol_prefix() + terminate_symbol, library_terminate);
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if (error || !library_terminate) {
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OS::get_singleton()->close_dynamic_library(native_handle);
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native_handle = NULL;
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return true;
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}
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godot_gdnative_terminate_fn library_terminate_pointer;
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library_terminate_pointer = (godot_gdnative_terminate_fn)library_terminate;
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godot_gdnative_terminate_options options;
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options.in_editor = Engine::get_singleton()->is_editor_hint();
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library_terminate_pointer(&options);
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initialized = false;
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// GDNativeScriptLanguage::get_singleton()->initialized_libraries.erase(p_native_lib->path);
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OS::get_singleton()->close_dynamic_library(native_handle);
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native_handle = NULL;
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return true;
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}
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bool GDNative::is_initialized() {
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return initialized;
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}
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void GDNativeCallRegistry::register_native_call_type(StringName p_call_type, native_call_cb p_callback) {
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native_calls.insert(p_call_type, p_callback);
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}
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Vector<StringName> GDNativeCallRegistry::get_native_call_types() {
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Vector<StringName> call_types;
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call_types.resize(native_calls.size());
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size_t idx = 0;
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for (Map<StringName, native_call_cb>::Element *E = native_calls.front(); E; E = E->next(), idx++) {
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call_types[idx] = E->key();
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}
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return call_types;
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}
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Variant GDNative::call_native(StringName p_native_call_type, StringName p_procedure_name, Array p_arguments) {
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Map<StringName, native_call_cb>::Element *E = GDNativeCallRegistry::singleton->native_calls.find(p_native_call_type);
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if (!E) {
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ERR_PRINT((String("No handler for native call type \"" + p_native_call_type) + "\" found").utf8().get_data());
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return Variant();
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}
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void *procedure_handle;
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Error err = OS::get_singleton()->get_dynamic_library_symbol_handle(
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native_handle,
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p_procedure_name,
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procedure_handle);
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if (err != OK || procedure_handle == NULL) {
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return Variant();
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}
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godot_variant result = E->get()(procedure_handle, (godot_array *)&p_arguments);
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return *(Variant *)&result;
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}
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Error GDNative::get_symbol(StringName p_procedure_name, void *&r_handle, bool p_optional) {
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if (!initialized) {
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ERR_PRINT("No valid library handle, can't get symbol from GDNative object");
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return ERR_CANT_OPEN;
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}
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Error result = OS::get_singleton()->get_dynamic_library_symbol_handle(
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native_handle,
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p_procedure_name,
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r_handle,
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p_optional);
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return result;
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}
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RES GDNativeLibraryResourceLoader::load(const String &p_path, const String &p_original_path, Error *r_error) {
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Ref<GDNativeLibrary> lib;
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lib.instance();
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Ref<ConfigFile> config = lib->get_config_file();
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Error err = config->load(p_path);
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if (r_error) {
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*r_error = err;
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}
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lib->set_singleton(config->get_value("general", "singleton", false));
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lib->set_load_once(config->get_value("general", "load_once", true));
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lib->set_symbol_prefix(config->get_value("general", "symbol_prefix", default_symbol_prefix));
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String entry_lib_path;
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{
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List<String> entry_keys;
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config->get_section_keys("entry", &entry_keys);
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for (List<String>::Element *E = entry_keys.front(); E; E = E->next()) {
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String key = E->get();
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Vector<String> tags = key.split(".");
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bool skip = false;
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for (int i = 0; i < tags.size(); i++) {
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bool has_feature = OS::get_singleton()->has_feature(tags[i]);
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if (!has_feature) {
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skip = true;
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break;
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}
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}
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if (skip) {
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continue;
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}
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entry_lib_path = config->get_value("entry", key);
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break;
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}
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}
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Vector<String> dependency_paths;
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{
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List<String> dependency_keys;
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config->get_section_keys("dependencies", &dependency_keys);
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for (List<String>::Element *E = dependency_keys.front(); E; E = E->next()) {
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String key = E->get();
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Vector<String> tags = key.split(".");
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bool skip = false;
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for (int i = 0; i < tags.size(); i++) {
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bool has_feature = OS::get_singleton()->has_feature(tags[i]);
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if (!has_feature) {
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skip = true;
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break;
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}
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}
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if (skip) {
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continue;
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}
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dependency_paths = config->get_value("dependencies", key);
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break;
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}
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}
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lib->current_library_path = entry_lib_path;
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lib->current_dependencies = dependency_paths;
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return lib;
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}
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void GDNativeLibraryResourceLoader::get_recognized_extensions(List<String> *p_extensions) const {
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p_extensions->push_back("gdnlib");
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}
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bool GDNativeLibraryResourceLoader::handles_type(const String &p_type) const {
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return p_type == "GDNativeLibrary";
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}
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String GDNativeLibraryResourceLoader::get_resource_type(const String &p_path) const {
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String el = p_path.get_extension().to_lower();
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if (el == "gdnlib")
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return "GDNativeLibrary";
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return "";
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}
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Error GDNativeLibraryResourceSaver::save(const String &p_path, const RES &p_resource, uint32_t p_flags) {
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Ref<GDNativeLibrary> lib = p_resource;
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if (lib.is_null()) {
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return ERR_INVALID_DATA;
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}
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Ref<ConfigFile> config = lib->get_config_file();
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config->set_value("general", "singleton", lib->is_singleton());
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config->set_value("general", "load_once", lib->should_load_once());
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config->set_value("general", "symbol_prefix", lib->get_symbol_prefix());
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return config->save(p_path);
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}
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bool GDNativeLibraryResourceSaver::recognize(const RES &p_resource) const {
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return Object::cast_to<GDNativeLibrary>(*p_resource) != NULL;
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}
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void GDNativeLibraryResourceSaver::get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const {
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if (Object::cast_to<GDNativeLibrary>(*p_resource) != NULL) {
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p_extensions->push_back("gdnlib");
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}
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}
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