godot/core/io/resource_format_binary.h

170 lines
5.9 KiB
C++

/*************************************************************************/
/* resource_format_binary.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef RESOURCE_FORMAT_BINARY_H
#define RESOURCE_FORMAT_BINARY_H
#include "io/resource_loader.h"
#include "io/resource_saver.h"
#include "os/file_access.h"
class ResourceInteractiveLoaderBinary : public ResourceInteractiveLoader {
String local_path;
String res_path;
String type;
Ref<Resource> resource;
FileAccess *f;
bool endian_swap;
bool use_real64;
uint64_t importmd_ofs;
Vector<char> str_buf;
List<RES> resource_cache;
//Map<int,StringName> string_map;
Vector<StringName> string_map;
struct ExtResource {
String path;
String type;
};
Vector<ExtResource> external_resources;
struct IntResource {
String path;
uint64_t offset;
};
Vector<IntResource> internal_resources;
String get_unicode_string();
void _advance_padding(uint32_t p_len);
Map<String, String> remaps;
Error error;
int stage;
friend class ResourceFormatLoaderBinary;
Error parse_variant(Variant &r_v, bool p_for_export_data = false);
public:
virtual void set_local_path(const String &p_local_path);
virtual Ref<Resource> get_resource();
virtual Error poll();
virtual int get_stage() const;
virtual int get_stage_count() const;
void set_remaps(const Map<String, String> &p_remaps) { remaps = p_remaps; }
void open(FileAccess *p_f);
String recognize(FileAccess *p_f);
void get_dependencies(FileAccess *p_f, List<String> *p_dependencies, bool p_add_types);
Error get_export_data(ExportData &r_export_data);
ResourceInteractiveLoaderBinary();
~ResourceInteractiveLoaderBinary();
};
class ResourceFormatLoaderBinary : public ResourceFormatLoader {
public:
virtual Ref<ResourceInteractiveLoader> load_interactive(const String &p_path, Error *r_error = NULL);
virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const;
virtual void get_recognized_extensions(List<String> *p_extensions) const;
virtual bool handles_type(const String &p_type) const;
virtual String get_resource_type(const String &p_path) const;
virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
virtual Error load_import_metadata(const String &p_path, Ref<ResourceImportMetadata> &r_var) const;
virtual Error rename_dependencies(const String &p_path, const Map<String, String> &p_map);
virtual Error get_export_data(const String &p_path, ExportData &r_export_data);
static ResourceFormatLoaderBinary *singleton;
ResourceFormatLoaderBinary() { singleton = this; }
};
class ResourceFormatSaverBinaryInstance {
String local_path;
bool relative_paths;
bool bundle_resources;
bool skip_editor;
bool big_endian;
bool takeover_paths;
int bin_meta_idx;
FileAccess *f;
String magic;
Set<RES> resource_set;
Map<StringName, int> string_map;
Vector<StringName> strings;
Map<RES, int> external_resources;
List<RES> saved_resources;
struct Property {
int name_idx;
Variant value;
PropertyInfo pi;
};
struct ResourceData {
String type;
List<Property> properties;
};
void _pad_buffer(int p_bytes);
void write_variant(const Variant &p_property, const PropertyInfo &p_hint = PropertyInfo());
void _find_resources(const Variant &p_variant, bool p_main = false);
void save_unicode_string(const String &p_string);
int get_string_index(const String &p_string);
public:
Error save(const String &p_path, const RES &p_resource, uint32_t p_flags = 0);
};
class ResourceFormatSaverBinary : public ResourceFormatSaver {
public:
static ResourceFormatSaverBinary *singleton;
virtual Error save(const String &p_path, const RES &p_resource, uint32_t p_flags = 0);
virtual bool recognize(const RES &p_resource) const;
virtual void get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const;
ResourceFormatSaverBinary();
};
#endif // RESOURCE_FORMAT_BINARY_H