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https://github.com/godotengine/godot.git
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59154cccf9
-Added more debug information on memory cleanliness on exit (if run with -v) -Fixed several memory leaks, fixes #1731, fixes #755
242 lines
6.3 KiB
C++
242 lines
6.3 KiB
C++
/*************************************************************************/
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/* file_access_pack.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2015 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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#ifndef FILE_ACCESS_PACK_H
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#define FILE_ACCESS_PACK_H
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#include "os/file_access.h"
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#include "os/dir_access.h"
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#include "map.h"
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#include "list.h"
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#include "print_string.h"
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class PackSource;
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class PackedData {
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friend class FileAccessPack;
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friend class DirAccessPack;
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friend class PackSource;
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public:
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struct PackedFile {
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String pack;
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uint64_t offset; //if offset is ZERO, the file was ERASED
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uint64_t size;
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uint8_t md5[16];
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PackSource* src;
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};
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private:
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struct PackedDir {
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PackedDir *parent;
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String name;
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Map<String,PackedDir*> subdirs;
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Set<String> files;
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};
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struct PathMD5 {
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uint64_t a;
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uint64_t b;
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bool operator < (const PathMD5& p_md5) const {
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if (p_md5.a == a) {
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return b < p_md5.b;
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} else {
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return a < p_md5.a;
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}
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}
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bool operator == (const PathMD5& p_md5) const {
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return a == p_md5.a && b == p_md5.b;
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};
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PathMD5() {
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a = b = 0;
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};
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PathMD5(const Vector<uint8_t> p_buf) {
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a = *((uint64_t*)&p_buf[0]);
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b = *((uint64_t*)&p_buf[8]);
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};
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};
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Map<PathMD5,PackedFile> files;
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Vector<PackSource*> sources;
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PackedDir *root;
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//Map<String,PackedDir*> dirs;
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static PackedData *singleton;
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bool disabled;
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void _free_packed_dirs(PackedDir *p_dir);
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public:
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void add_pack_source(PackSource* p_source);
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void add_path(const String& pkg_path, const String& path, uint64_t ofs, uint64_t size,const uint8_t* p_md5, PackSource* p_src); // for PackSource
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void set_disabled(bool p_disabled) { disabled=p_disabled; }
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_FORCE_INLINE_ bool is_disabled() const { return disabled; }
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static PackedData *get_singleton() { return singleton; }
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Error add_pack(const String& p_path);
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_FORCE_INLINE_ FileAccess *try_open_path(const String& p_path);
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_FORCE_INLINE_ bool has_path(const String& p_path);
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PackedData();
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~PackedData();
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};
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class PackSource {
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public:
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virtual bool try_open_pack(const String& p_path)=0;
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virtual FileAccess* get_file(const String& p_path, PackedData::PackedFile* p_file)=0;
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virtual ~PackSource() {}
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};
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class PackedSourcePCK : public PackSource {
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public:
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virtual bool try_open_pack(const String &p_path);
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virtual FileAccess* get_file(const String& p_path, PackedData::PackedFile* p_file);
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};
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class FileAccessPack : public FileAccess {
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PackedData::PackedFile pf;
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mutable size_t pos;
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mutable bool eof;
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FileAccess *f;
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virtual Error _open(const String& p_path, int p_mode_flags);
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virtual uint64_t _get_modified_time(const String& p_file) { return 0; }
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public:
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virtual void close();
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virtual bool is_open() const;
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virtual void seek(size_t p_position);
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virtual void seek_end(int64_t p_position=0);
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virtual size_t get_pos() const;
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virtual size_t get_len() const;
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virtual bool eof_reached() const;
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virtual uint8_t get_8() const;
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virtual int get_buffer(uint8_t *p_dst,int p_length) const;
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virtual void set_endian_swap(bool p_swap);
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virtual Error get_error() const;
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virtual void store_8(uint8_t p_dest);
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virtual void store_buffer(const uint8_t *p_src,int p_length);
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virtual bool file_exists(const String& p_name);
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FileAccessPack(const String& p_path, const PackedData::PackedFile& p_file);
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~FileAccessPack();
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};
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FileAccess *PackedData::try_open_path(const String& p_path) {
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//print_line("try open path " + p_path);
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PathMD5 pmd5(p_path.md5_buffer());
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Map<PathMD5,PackedFile>::Element *E=files.find(pmd5);
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if (!E)
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return NULL; //not found
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if (E->get().offset==0)
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return NULL; //was erased
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return E->get().src->get_file(p_path, &E->get());
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}
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bool PackedData::has_path(const String& p_path) {
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return files.has(PathMD5(p_path.md5_buffer()));
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}
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class DirAccessPack : public DirAccess {
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PackedData::PackedDir *current;
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List<String> list_dirs;
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List<String> list_files;
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bool cdir;
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public:
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virtual bool list_dir_begin();
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virtual String get_next();
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virtual bool current_is_dir() const;
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virtual bool current_is_hidden() const;
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virtual void list_dir_end();
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virtual int get_drive_count();
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virtual String get_drive(int p_drive);
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virtual Error change_dir(String p_dir);
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virtual String get_current_dir();
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virtual bool file_exists(String p_file);
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virtual bool dir_exists(String p_dir);
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virtual Error make_dir(String p_dir);
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virtual Error rename(String p_from, String p_to);
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virtual Error remove(String p_name);
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size_t get_space_left();
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DirAccessPack();
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~DirAccessPack();
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};
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#endif // FILE_ACCESS_PACK_H
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