515fe0f29b
This reverts commit 3c261e0dfa.
This was not so useful as is due to the way dependency paths are stored
in scenes and resources.
238 lines
6.9 KiB
C++
238 lines
6.9 KiB
C++
/*************************************************************************/
|
|
/* file_access_pack.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 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 FILE_ACCESS_PACK_H
|
|
#define FILE_ACCESS_PACK_H
|
|
|
|
#include "core/list.h"
|
|
#include "core/map.h"
|
|
#include "core/os/dir_access.h"
|
|
#include "core/os/file_access.h"
|
|
#include "core/print_string.h"
|
|
|
|
// Godot's packed file magic header ("GDPC" in ASCII).
|
|
#define PACK_HEADER_MAGIC 0x43504447
|
|
// The current packed file format version number.
|
|
#define PACK_FORMAT_VERSION 1
|
|
|
|
class PackSource;
|
|
|
|
class PackedData {
|
|
friend class FileAccessPack;
|
|
friend class DirAccessPack;
|
|
friend class PackSource;
|
|
|
|
public:
|
|
struct PackedFile {
|
|
|
|
String pack;
|
|
uint64_t offset; //if offset is ZERO, the file was ERASED
|
|
uint64_t size;
|
|
uint8_t md5[16];
|
|
PackSource *src;
|
|
};
|
|
|
|
private:
|
|
struct PackedDir {
|
|
PackedDir *parent;
|
|
String name;
|
|
Map<String, PackedDir *> subdirs;
|
|
Set<String> files;
|
|
};
|
|
|
|
struct PathMD5 {
|
|
uint64_t a;
|
|
uint64_t b;
|
|
bool operator<(const PathMD5 &p_md5) const {
|
|
|
|
if (p_md5.a == a) {
|
|
return b < p_md5.b;
|
|
} else {
|
|
return a < p_md5.a;
|
|
}
|
|
}
|
|
|
|
bool operator==(const PathMD5 &p_md5) const {
|
|
return a == p_md5.a && b == p_md5.b;
|
|
};
|
|
|
|
PathMD5() {
|
|
a = b = 0;
|
|
};
|
|
|
|
PathMD5(const Vector<uint8_t> p_buf) {
|
|
a = *((uint64_t *)&p_buf[0]);
|
|
b = *((uint64_t *)&p_buf[8]);
|
|
};
|
|
};
|
|
|
|
Map<PathMD5, PackedFile> files;
|
|
|
|
Vector<PackSource *> sources;
|
|
|
|
PackedDir *root;
|
|
//Map<String,PackedDir*> dirs;
|
|
|
|
static PackedData *singleton;
|
|
bool disabled;
|
|
|
|
void _free_packed_dirs(PackedDir *p_dir);
|
|
|
|
public:
|
|
void add_pack_source(PackSource *p_source);
|
|
void add_path(const String &pkg_path, const String &path, uint64_t ofs, uint64_t size, const uint8_t *p_md5, PackSource *p_src, bool p_replace_files); // for PackSource
|
|
|
|
void set_disabled(bool p_disabled) { disabled = p_disabled; }
|
|
_FORCE_INLINE_ bool is_disabled() const { return disabled; }
|
|
|
|
static PackedData *get_singleton() { return singleton; }
|
|
Error add_pack(const String &p_path, bool p_replace_files);
|
|
|
|
_FORCE_INLINE_ FileAccess *try_open_path(const String &p_path);
|
|
_FORCE_INLINE_ bool has_path(const String &p_path);
|
|
|
|
PackedData();
|
|
~PackedData();
|
|
};
|
|
|
|
class PackSource {
|
|
|
|
public:
|
|
virtual bool try_open_pack(const String &p_path, bool p_replace_files) = 0;
|
|
virtual FileAccess *get_file(const String &p_path, PackedData::PackedFile *p_file) = 0;
|
|
virtual ~PackSource() {}
|
|
};
|
|
|
|
class PackedSourcePCK : public PackSource {
|
|
|
|
public:
|
|
virtual bool try_open_pack(const String &p_path, bool p_replace_files);
|
|
virtual FileAccess *get_file(const String &p_path, PackedData::PackedFile *p_file);
|
|
};
|
|
|
|
class FileAccessPack : public FileAccess {
|
|
|
|
PackedData::PackedFile pf;
|
|
|
|
mutable size_t pos;
|
|
mutable bool eof;
|
|
|
|
FileAccess *f;
|
|
virtual Error _open(const String &p_path, int p_mode_flags);
|
|
virtual uint64_t _get_modified_time(const String &p_file) { return 0; }
|
|
virtual uint32_t _get_unix_permissions(const String &p_file) { return 0; }
|
|
virtual Error _set_unix_permissions(const String &p_file, uint32_t p_permissions) { return FAILED; }
|
|
|
|
public:
|
|
virtual void close();
|
|
virtual bool is_open() const;
|
|
|
|
virtual void seek(size_t p_position);
|
|
virtual void seek_end(int64_t p_position = 0);
|
|
virtual size_t get_position() const;
|
|
virtual size_t get_len() const;
|
|
|
|
virtual bool eof_reached() const;
|
|
|
|
virtual uint8_t get_8() const;
|
|
|
|
virtual int get_buffer(uint8_t *p_dst, int p_length) const;
|
|
|
|
virtual void set_endian_swap(bool p_swap);
|
|
|
|
virtual Error get_error() const;
|
|
|
|
virtual void flush();
|
|
virtual void store_8(uint8_t p_dest);
|
|
|
|
virtual void store_buffer(const uint8_t *p_src, int p_length);
|
|
|
|
virtual bool file_exists(const String &p_name);
|
|
|
|
FileAccessPack(const String &p_path, const PackedData::PackedFile &p_file);
|
|
~FileAccessPack();
|
|
};
|
|
|
|
FileAccess *PackedData::try_open_path(const String &p_path) {
|
|
|
|
PathMD5 pmd5(p_path.md5_buffer());
|
|
Map<PathMD5, PackedFile>::Element *E = files.find(pmd5);
|
|
if (!E)
|
|
return nullptr; //not found
|
|
if (E->get().offset == 0)
|
|
return nullptr; //was erased
|
|
|
|
return E->get().src->get_file(p_path, &E->get());
|
|
}
|
|
|
|
bool PackedData::has_path(const String &p_path) {
|
|
|
|
return files.has(PathMD5(p_path.md5_buffer()));
|
|
}
|
|
|
|
class DirAccessPack : public DirAccess {
|
|
|
|
PackedData::PackedDir *current;
|
|
|
|
List<String> list_dirs;
|
|
List<String> list_files;
|
|
bool cdir;
|
|
|
|
public:
|
|
virtual Error list_dir_begin();
|
|
virtual String get_next();
|
|
virtual bool current_is_dir() const;
|
|
virtual bool current_is_hidden() const;
|
|
virtual void list_dir_end();
|
|
|
|
virtual int get_drive_count();
|
|
virtual String get_drive(int p_drive);
|
|
|
|
virtual Error change_dir(String p_dir);
|
|
virtual String get_current_dir(bool p_include_drive = true);
|
|
|
|
virtual bool file_exists(String p_file);
|
|
virtual bool dir_exists(String p_dir);
|
|
|
|
virtual Error make_dir(String p_dir);
|
|
|
|
virtual Error rename(String p_from, String p_to);
|
|
virtual Error remove(String p_name);
|
|
|
|
size_t get_space_left();
|
|
|
|
virtual String get_filesystem_type() const;
|
|
|
|
DirAccessPack();
|
|
~DirAccessPack();
|
|
};
|
|
|
|
#endif // FILE_ACCESS_PACK_H
|