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Merge pull request #40747 from RandomShaper/improve_packed_fs_api_3.2

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Improve/fix packed data API (3.2)
This commit is contained in:
Rémi Verschelde 2020-11-10 10:59:59 +01:00 committed by GitHub
commit 1dd2cf7914
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 57 additions and 9 deletions
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31
core/io/file_access_pack.cpp
View File

@ -412,9 +412,15 @@ String DirAccessPack::get_drive(int p_drive) {
return "";
}
Error DirAccessPack::change_dir(String p_dir) {
PackedData::PackedDir *DirAccessPack::_find_dir(String p_dir) {
String nd = p_dir.replace("\\", "/");
// Special handling since simplify_path() will forbid it
if (p_dir == "..") {
return current->parent;
}
bool absolute = false;
if (nd.begins_with("res://")) {
nd = nd.replace_first("res://", "");
@ -454,13 +460,22 @@ Error DirAccessPack::change_dir(String p_dir) {
} else {
return ERR_INVALID_PARAMETER;
return NULL;
}
}
current = pd;
return pd;
}
return OK;
Error DirAccessPack::change_dir(String p_dir) {
PackedData::PackedDir *pd = _find_dir(p_dir);
if (pd) {
current = pd;
return OK;
} else {
return ERR_INVALID_PARAMETER;
}
}
String DirAccessPack::get_current_dir() {
@ -480,14 +495,18 @@ bool DirAccessPack::file_exists(String p_file) {
p_file = fix_path(p_file);
return current->files.has(p_file);
PackedData::PackedDir *pd = _find_dir(p_file.get_base_dir());
if (!pd) {
return false;
}
return pd->files.has(p_file.get_file());
}
bool DirAccessPack::dir_exists(String p_dir) {
p_dir = fix_path(p_dir);
return current->subdirs.has(p_dir);
return _find_dir(p_dir) != NULL;
}
Error DirAccessPack::make_dir(String p_dir) {

26
core/io/file_access_pack.h
View File

@ -118,6 +118,9 @@ public:
_FORCE_INLINE_ FileAccess *try_open_path(const String &p_path);
_FORCE_INLINE_ bool has_path(const String &p_path);
_FORCE_INLINE_ DirAccess *try_open_directory(const String &p_path);
_FORCE_INLINE_ bool has_directory(const String &p_path);
PackedData();
~PackedData();
};
@ -197,6 +200,17 @@ bool PackedData::has_path(const String &p_path) {
return files.has(PathMD5(p_path.md5_buffer()));
}
bool PackedData::has_directory(const String &p_path) {
DirAccess *da = try_open_directory(p_path);
if (da) {
memdelete(da);
return true;
} else {
return false;
}
}
class DirAccessPack : public DirAccess {
PackedData::PackedDir *current;
@ -205,6 +219,8 @@ class DirAccessPack : public DirAccess {
List<String> list_files;
bool cdir;
PackedData::PackedDir *_find_dir(String p_dir);
public:
virtual Error list_dir_begin();
virtual String get_next();
@ -234,4 +250,14 @@ public:
~DirAccessPack();
};
DirAccess *PackedData::try_open_directory(const String &p_path) {
DirAccess *da = memnew(DirAccessPack());
if (da->change_dir(p_path) != OK) {
memdelete(da);
da = NULL;
}
return da;
}
#endif // FILE_ACCESS_PACK_H

9
core/os/file_access.cpp
View File

@ -53,7 +53,7 @@ FileAccess *FileAccess::create(AccessType p_access) {
bool FileAccess::exists(const String &p_name) {
if (PackedData::get_singleton() && PackedData::get_singleton()->has_path(p_name))
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && PackedData::get_singleton()->has_path(p_name))
return true;
FileAccess *f = open(p_name, READ);
@ -494,7 +494,7 @@ void FileAccess::store_double(double p_dest) {
uint64_t FileAccess::get_modified_time(const String &p_file) {
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && PackedData::get_singleton()->has_path(p_file))
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && (PackedData::get_singleton()->has_path(p_file) || PackedData::get_singleton()->has_directory(p_file)))
return 0;
FileAccess *fa = create_for_path(p_file);
@ -507,7 +507,7 @@ uint64_t FileAccess::get_modified_time(const String &p_file) {
uint32_t FileAccess::get_unix_permissions(const String &p_file) {
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && PackedData::get_singleton()->has_path(p_file))
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && (PackedData::get_singleton()->has_path(p_file) || PackedData::get_singleton()->has_directory(p_file)))
return 0;
FileAccess *fa = create_for_path(p_file);
@ -520,6 +520,9 @@ uint32_t FileAccess::get_unix_permissions(const String &p_file) {
Error FileAccess::set_unix_permissions(const String &p_file, uint32_t p_permissions) {
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && (PackedData::get_singleton()->has_path(p_file) || PackedData::get_singleton()->has_directory(p_file)))
return ERR_UNAVAILABLE;
FileAccess *fa = create_for_path(p_file);
ERR_FAIL_COND_V_MSG(!fa, ERR_CANT_CREATE, "Cannot create FileAccess for path '" + p_file + "'.");