a7f49ac9a1
Happy new year to the wonderful Godot community! We're starting a new decade with a well-established, non-profit, free and open source game engine, and tons of further improvements in the pipeline from hundreds of contributors. Godot will keep getting better, and we're looking forward to all the games that the community will keep developing and releasing with it.
442 lines
12 KiB
C++
442 lines
12 KiB
C++
/*************************************************************************/
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/* resource_importer.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) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 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 "resource_importer.h"
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#include "core/os/os.h"
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#include "core/variant_parser.h"
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bool ResourceFormatImporter::SortImporterByName::operator()(const Ref<ResourceImporter> &p_a, const Ref<ResourceImporter> &p_b) const {
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return p_a->get_importer_name() < p_b->get_importer_name();
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}
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Error ResourceFormatImporter::_get_path_and_type(const String &p_path, PathAndType &r_path_and_type, bool *r_valid) const {
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Error err;
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FileAccess *f = FileAccess::open(p_path + ".import", FileAccess::READ, &err);
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if (!f) {
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if (r_valid) {
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*r_valid = false;
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}
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return err;
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}
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VariantParser::StreamFile stream;
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stream.f = f;
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String assign;
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Variant value;
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VariantParser::Tag next_tag;
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if (r_valid) {
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*r_valid = true;
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}
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int lines = 0;
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String error_text;
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bool path_found = false; //first match must have priority
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while (true) {
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assign = Variant();
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next_tag.fields.clear();
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next_tag.name = String();
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err = VariantParser::parse_tag_assign_eof(&stream, lines, error_text, next_tag, assign, value, NULL, true);
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if (err == ERR_FILE_EOF) {
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memdelete(f);
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return OK;
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} else if (err != OK) {
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ERR_PRINTS("ResourceFormatImporter::load - " + p_path + ".import:" + itos(lines) + " error: " + error_text);
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memdelete(f);
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return err;
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}
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if (assign != String()) {
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if (!path_found && assign.begins_with("path.") && r_path_and_type.path == String()) {
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String feature = assign.get_slicec('.', 1);
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if (OS::get_singleton()->has_feature(feature)) {
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r_path_and_type.path = value;
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path_found = true; //first match must have priority
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}
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} else if (!path_found && assign == "path") {
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r_path_and_type.path = value;
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path_found = true; //first match must have priority
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} else if (assign == "type") {
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r_path_and_type.type = value;
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} else if (assign == "importer") {
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r_path_and_type.importer = value;
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} else if (assign == "group_file") {
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r_path_and_type.group_file = value;
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} else if (assign == "metadata") {
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r_path_and_type.metadata = value;
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} else if (assign == "valid") {
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if (r_valid) {
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*r_valid = value;
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}
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}
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} else if (next_tag.name != "remap") {
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break;
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}
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}
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memdelete(f);
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if (r_path_and_type.path == String() || r_path_and_type.type == String()) {
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return ERR_FILE_CORRUPT;
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}
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return OK;
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}
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RES ResourceFormatImporter::load(const String &p_path, const String &p_original_path, Error *r_error) {
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PathAndType pat;
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Error err = _get_path_and_type(p_path, pat);
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if (err != OK) {
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if (r_error)
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*r_error = err;
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return RES();
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}
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RES res = ResourceLoader::_load(pat.path, p_path, pat.type, false, r_error);
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#ifdef TOOLS_ENABLED
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if (res.is_valid()) {
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res->set_import_last_modified_time(res->get_last_modified_time()); //pass this, if used
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res->set_import_path(pat.path);
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}
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#endif
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return res;
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}
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void ResourceFormatImporter::get_recognized_extensions(List<String> *p_extensions) const {
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Set<String> found;
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for (int i = 0; i < importers.size(); i++) {
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List<String> local_exts;
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importers[i]->get_recognized_extensions(&local_exts);
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for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
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if (!found.has(F->get())) {
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p_extensions->push_back(F->get());
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found.insert(F->get());
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}
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}
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}
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}
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void ResourceFormatImporter::get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const {
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if (p_type == "") {
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get_recognized_extensions(p_extensions);
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return;
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}
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Set<String> found;
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for (int i = 0; i < importers.size(); i++) {
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String res_type = importers[i]->get_resource_type();
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if (res_type == String())
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continue;
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if (!ClassDB::is_parent_class(res_type, p_type))
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continue;
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List<String> local_exts;
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importers[i]->get_recognized_extensions(&local_exts);
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for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
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if (!found.has(F->get())) {
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p_extensions->push_back(F->get());
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found.insert(F->get());
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}
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}
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}
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}
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bool ResourceFormatImporter::exists(const String &p_path) const {
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return FileAccess::exists(p_path + ".import");
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}
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bool ResourceFormatImporter::recognize_path(const String &p_path, const String &p_for_type) const {
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return FileAccess::exists(p_path + ".import");
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}
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bool ResourceFormatImporter::can_be_imported(const String &p_path) const {
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return ResourceFormatLoader::recognize_path(p_path);
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}
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int ResourceFormatImporter::get_import_order(const String &p_path) const {
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Ref<ResourceImporter> importer;
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if (FileAccess::exists(p_path + ".import")) {
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PathAndType pat;
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Error err = _get_path_and_type(p_path, pat);
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if (err == OK) {
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importer = get_importer_by_name(pat.importer);
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}
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} else {
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importer = get_importer_by_extension(p_path.get_extension().to_lower());
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}
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if (importer.is_valid())
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return importer->get_import_order();
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return 0;
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}
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bool ResourceFormatImporter::handles_type(const String &p_type) const {
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for (int i = 0; i < importers.size(); i++) {
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String res_type = importers[i]->get_resource_type();
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if (res_type == String())
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continue;
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if (ClassDB::is_parent_class(res_type, p_type))
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return true;
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}
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return true;
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}
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String ResourceFormatImporter::get_internal_resource_path(const String &p_path) const {
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PathAndType pat;
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Error err = _get_path_and_type(p_path, pat);
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if (err != OK) {
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return String();
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}
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return pat.path;
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}
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void ResourceFormatImporter::get_internal_resource_path_list(const String &p_path, List<String> *r_paths) {
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Error err;
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FileAccess *f = FileAccess::open(p_path + ".import", FileAccess::READ, &err);
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if (!f)
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return;
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VariantParser::StreamFile stream;
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stream.f = f;
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String assign;
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Variant value;
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VariantParser::Tag next_tag;
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int lines = 0;
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String error_text;
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while (true) {
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assign = Variant();
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next_tag.fields.clear();
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next_tag.name = String();
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err = VariantParser::parse_tag_assign_eof(&stream, lines, error_text, next_tag, assign, value, NULL, true);
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if (err == ERR_FILE_EOF) {
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memdelete(f);
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return;
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} else if (err != OK) {
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ERR_PRINTS("ResourceFormatImporter::get_internal_resource_path_list - " + p_path + ".import:" + itos(lines) + " error: " + error_text);
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memdelete(f);
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return;
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}
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if (assign != String()) {
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if (assign.begins_with("path.")) {
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r_paths->push_back(value);
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} else if (assign == "path") {
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r_paths->push_back(value);
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}
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} else if (next_tag.name != "remap") {
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break;
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}
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}
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memdelete(f);
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}
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String ResourceFormatImporter::get_import_group_file(const String &p_path) const {
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bool valid = true;
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PathAndType pat;
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_get_path_and_type(p_path, pat, &valid);
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return valid ? pat.group_file : String();
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}
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bool ResourceFormatImporter::is_import_valid(const String &p_path) const {
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bool valid = true;
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PathAndType pat;
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_get_path_and_type(p_path, pat, &valid);
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return valid;
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}
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String ResourceFormatImporter::get_resource_type(const String &p_path) const {
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PathAndType pat;
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Error err = _get_path_and_type(p_path, pat);
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if (err != OK) {
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return "";
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}
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return pat.type;
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}
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Variant ResourceFormatImporter::get_resource_metadata(const String &p_path) const {
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PathAndType pat;
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Error err = _get_path_and_type(p_path, pat);
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if (err != OK) {
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return Variant();
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}
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return pat.metadata;
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}
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void ResourceFormatImporter::get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types) {
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PathAndType pat;
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Error err = _get_path_and_type(p_path, pat);
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if (err != OK) {
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return;
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}
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ResourceLoader::get_dependencies(pat.path, p_dependencies, p_add_types);
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}
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Ref<ResourceImporter> ResourceFormatImporter::get_importer_by_name(const String &p_name) const {
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for (int i = 0; i < importers.size(); i++) {
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if (importers[i]->get_importer_name() == p_name) {
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return importers[i];
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}
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}
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return Ref<ResourceImporter>();
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}
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void ResourceFormatImporter::get_importers_for_extension(const String &p_extension, List<Ref<ResourceImporter> > *r_importers) {
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for (int i = 0; i < importers.size(); i++) {
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List<String> local_exts;
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importers[i]->get_recognized_extensions(&local_exts);
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for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
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if (p_extension.to_lower() == F->get()) {
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r_importers->push_back(importers[i]);
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}
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}
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}
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}
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Ref<ResourceImporter> ResourceFormatImporter::get_importer_by_extension(const String &p_extension) const {
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Ref<ResourceImporter> importer;
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float priority = 0;
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for (int i = 0; i < importers.size(); i++) {
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List<String> local_exts;
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importers[i]->get_recognized_extensions(&local_exts);
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for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
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if (p_extension.to_lower() == F->get() && importers[i]->get_priority() > priority) {
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importer = importers[i];
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priority = importers[i]->get_priority();
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}
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}
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}
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return importer;
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}
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String ResourceFormatImporter::get_import_base_path(const String &p_for_file) const {
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return "res://.import/" + p_for_file.get_file() + "-" + p_for_file.md5_text();
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}
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bool ResourceFormatImporter::are_import_settings_valid(const String &p_path) const {
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bool valid = true;
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PathAndType pat;
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_get_path_and_type(p_path, pat, &valid);
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if (!valid) {
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return false;
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}
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for (int i = 0; i < importers.size(); i++) {
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if (importers[i]->get_importer_name() == pat.importer) {
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if (!importers[i]->are_import_settings_valid(p_path)) { //importer thinks this is not valid
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return false;
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}
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}
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}
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return true;
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}
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String ResourceFormatImporter::get_import_settings_hash() const {
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Vector<Ref<ResourceImporter> > sorted_importers = importers;
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sorted_importers.sort_custom<SortImporterByName>();
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String hash;
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for (int i = 0; i < sorted_importers.size(); i++) {
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hash += ":" + sorted_importers[i]->get_importer_name() + ":" + sorted_importers[i]->get_import_settings_string();
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}
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return hash.md5_text();
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}
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ResourceFormatImporter *ResourceFormatImporter::singleton = NULL;
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ResourceFormatImporter::ResourceFormatImporter() {
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singleton = this;
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}
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