293 lines
9.6 KiB
C++
293 lines
9.6 KiB
C++
/**************************************************************************/
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/* resource_saver.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 "resource_saver.h"
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#include "core/config/project_settings.h"
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#include "core/io/file_access.h"
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#include "core/io/resource_loader.h"
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#include "core/object/script_language.h"
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Ref<ResourceFormatSaver> ResourceSaver::saver[MAX_SAVERS];
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int ResourceSaver::saver_count = 0;
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bool ResourceSaver::timestamp_on_save = false;
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ResourceSavedCallback ResourceSaver::save_callback = nullptr;
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ResourceSaverGetResourceIDForPath ResourceSaver::save_get_id_for_path = nullptr;
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Error ResourceFormatSaver::save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags) {
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Error err = ERR_METHOD_NOT_FOUND;
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GDVIRTUAL_CALL(_save, p_resource, p_path, p_flags, err);
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return err;
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}
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Error ResourceFormatSaver::set_uid(const String &p_path, ResourceUID::ID p_uid) {
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Error err = ERR_FILE_UNRECOGNIZED;
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GDVIRTUAL_CALL(_set_uid, p_path, p_uid, err);
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return err;
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}
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bool ResourceFormatSaver::recognize(const Ref<Resource> &p_resource) const {
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bool success = false;
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GDVIRTUAL_CALL(_recognize, p_resource, success);
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return success;
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}
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void ResourceFormatSaver::get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const {
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PackedStringArray exts;
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if (GDVIRTUAL_CALL(_get_recognized_extensions, p_resource, exts)) {
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const String *r = exts.ptr();
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for (int i = 0; i < exts.size(); ++i) {
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p_extensions->push_back(r[i]);
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}
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}
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}
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bool ResourceFormatSaver::recognize_path(const Ref<Resource> &p_resource, const String &p_path) const {
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bool ret = false;
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if (GDVIRTUAL_CALL(_recognize_path, p_resource, p_path, ret)) {
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return ret;
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}
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String extension = p_path.get_extension();
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List<String> extensions;
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get_recognized_extensions(p_resource, &extensions);
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for (const String &E : extensions) {
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if (E.nocasecmp_to(extension) == 0) {
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return true;
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}
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}
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return false;
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}
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void ResourceFormatSaver::_bind_methods() {
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GDVIRTUAL_BIND(_save, "resource", "path", "flags");
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GDVIRTUAL_BIND(_set_uid, "path", "uid");
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GDVIRTUAL_BIND(_recognize, "resource");
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GDVIRTUAL_BIND(_get_recognized_extensions, "resource");
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GDVIRTUAL_BIND(_recognize_path, "resource", "path");
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}
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Error ResourceSaver::save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags) {
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String path = p_path;
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if (path.is_empty()) {
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path = p_resource->get_path();
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}
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ERR_FAIL_COND_V_MSG(path.is_empty(), ERR_INVALID_PARAMETER, "Can't save resource to empty path. Provide non-empty path or a Resource with non-empty resource_path.");
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String extension = path.get_extension();
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Error err = ERR_FILE_UNRECOGNIZED;
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for (int i = 0; i < saver_count; i++) {
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if (!saver[i]->recognize(p_resource)) {
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continue;
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}
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if (!saver[i]->recognize_path(p_resource, path)) {
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continue;
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}
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String old_path = p_resource->get_path();
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String local_path = ProjectSettings::get_singleton()->localize_path(path);
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Ref<Resource> rwcopy = p_resource;
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if (p_flags & FLAG_CHANGE_PATH) {
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rwcopy->set_path(local_path);
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}
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err = saver[i]->save(p_resource, path, p_flags);
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if (err == OK) {
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#ifdef TOOLS_ENABLED
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((Resource *)p_resource.ptr())->set_edited(false);
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if (timestamp_on_save) {
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uint64_t mt = FileAccess::get_modified_time(path);
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((Resource *)p_resource.ptr())->set_last_modified_time(mt);
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}
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#endif
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if (p_flags & FLAG_CHANGE_PATH) {
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rwcopy->set_path(old_path);
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}
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if (save_callback && path.begins_with("res://")) {
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save_callback(p_resource, path);
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}
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return OK;
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}
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}
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return err;
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}
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Error ResourceSaver::set_uid(const String &p_path, ResourceUID::ID p_uid) {
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String path = p_path;
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ERR_FAIL_COND_V_MSG(path.is_empty(), ERR_INVALID_PARAMETER, "Can't update UID to empty path. Provide non-empty path.");
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Error err = ERR_FILE_UNRECOGNIZED;
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for (int i = 0; i < saver_count; i++) {
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err = saver[i]->set_uid(path, p_uid);
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if (err == OK) {
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break;
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}
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}
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return err;
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}
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void ResourceSaver::set_save_callback(ResourceSavedCallback p_callback) {
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save_callback = p_callback;
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}
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void ResourceSaver::get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) {
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for (int i = 0; i < saver_count; i++) {
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saver[i]->get_recognized_extensions(p_resource, p_extensions);
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}
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}
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void ResourceSaver::add_resource_format_saver(Ref<ResourceFormatSaver> p_format_saver, bool p_at_front) {
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ERR_FAIL_COND_MSG(p_format_saver.is_null(), "It's not a reference to a valid ResourceFormatSaver object.");
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ERR_FAIL_COND(saver_count >= MAX_SAVERS);
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if (p_at_front) {
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for (int i = saver_count; i > 0; i--) {
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saver[i] = saver[i - 1];
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}
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saver[0] = p_format_saver;
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saver_count++;
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} else {
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saver[saver_count++] = p_format_saver;
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}
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}
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void ResourceSaver::remove_resource_format_saver(Ref<ResourceFormatSaver> p_format_saver) {
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ERR_FAIL_COND_MSG(p_format_saver.is_null(), "It's not a reference to a valid ResourceFormatSaver object.");
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// Find saver
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int i = 0;
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for (; i < saver_count; ++i) {
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if (saver[i] == p_format_saver) {
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break;
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}
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}
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ERR_FAIL_COND(i >= saver_count); // Not found
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// Shift next savers up
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for (; i < saver_count - 1; ++i) {
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saver[i] = saver[i + 1];
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}
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saver[saver_count - 1].unref();
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--saver_count;
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}
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Ref<ResourceFormatSaver> ResourceSaver::_find_custom_resource_format_saver(String path) {
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for (int i = 0; i < saver_count; ++i) {
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if (saver[i]->get_script_instance() && saver[i]->get_script_instance()->get_script()->get_path() == path) {
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return saver[i];
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}
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}
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return Ref<ResourceFormatSaver>();
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}
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bool ResourceSaver::add_custom_resource_format_saver(String script_path) {
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if (_find_custom_resource_format_saver(script_path).is_valid()) {
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return false;
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}
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Ref<Resource> res = ResourceLoader::load(script_path);
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ERR_FAIL_COND_V(res.is_null(), false);
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ERR_FAIL_COND_V(!res->is_class("Script"), false);
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Ref<Script> s = res;
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StringName ibt = s->get_instance_base_type();
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bool valid_type = ClassDB::is_parent_class(ibt, "ResourceFormatSaver");
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ERR_FAIL_COND_V_MSG(!valid_type, false, "Script does not inherit a CustomResourceSaver: " + script_path + ".");
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Object *obj = ClassDB::instantiate(ibt);
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ERR_FAIL_NULL_V_MSG(obj, false, "Cannot instance script as custom resource saver, expected 'ResourceFormatSaver' inheritance, got: " + String(ibt) + ".");
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Ref<ResourceFormatSaver> crl = Object::cast_to<ResourceFormatSaver>(obj);
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crl->set_script(s);
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ResourceSaver::add_resource_format_saver(crl);
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return true;
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}
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void ResourceSaver::add_custom_savers() {
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// Custom resource savers exploits global class names
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String custom_saver_base_class = ResourceFormatSaver::get_class_static();
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List<StringName> global_classes;
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ScriptServer::get_global_class_list(&global_classes);
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for (const StringName &class_name : global_classes) {
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StringName base_class = ScriptServer::get_global_class_native_base(class_name);
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if (base_class == custom_saver_base_class) {
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String path = ScriptServer::get_global_class_path(class_name);
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add_custom_resource_format_saver(path);
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}
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}
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}
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void ResourceSaver::remove_custom_savers() {
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Vector<Ref<ResourceFormatSaver>> custom_savers;
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for (int i = 0; i < saver_count; ++i) {
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if (saver[i]->get_script_instance()) {
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custom_savers.push_back(saver[i]);
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}
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}
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for (int i = 0; i < custom_savers.size(); ++i) {
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remove_resource_format_saver(custom_savers[i]);
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}
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}
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ResourceUID::ID ResourceSaver::get_resource_id_for_path(const String &p_path, bool p_generate) {
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if (save_get_id_for_path) {
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return save_get_id_for_path(p_path, p_generate);
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}
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return ResourceUID::INVALID_ID;
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}
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void ResourceSaver::set_get_resource_id_for_path(ResourceSaverGetResourceIDForPath p_callback) {
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save_get_id_for_path = p_callback;
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}
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