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[Export] Use relative file base offset for embedded PCK.

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bruvzg 2024-02-10 21:58:08 +02:00
parent 72a31722fd
commit bf8ec7b81b
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GPG key ID: 7960FCF39844EC38
3 changed files with 18 additions and 2 deletions
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7
core/io/file_access_pack.cpp
View file

@ -196,6 +196,8 @@ bool PackedSourcePCK::try_open_pack(const String &p_path, bool p_replace_files,
return false;
}
int64_t pck_start_pos = f->get_position() - 4;
uint32_t version = f->get_32();
uint32_t ver_major = f->get_32();
uint32_t ver_minor = f->get_32();
@ -208,6 +210,7 @@ bool PackedSourcePCK::try_open_pack(const String &p_path, bool p_replace_files,
uint64_t file_base = f->get_64();
bool enc_directory = (pack_flags & PACK_DIR_ENCRYPTED);
bool rel_filebase = (pack_flags & PACK_REL_FILEBASE);
for (int i = 0; i < 16; i++) {
//reserved
@ -216,6 +219,10 @@ bool PackedSourcePCK::try_open_pack(const String &p_path, bool p_replace_files,
int file_count = f->get_32();
if (rel_filebase) {
file_base += pck_start_pos;
}
if (enc_directory) {
Ref<FileAccessEncrypted> fae;
fae.instantiate();

3
core/io/file_access_pack.h
View file

@ -44,7 +44,8 @@
#define PACK_FORMAT_VERSION 2
enum PackFlags {
PACK_DIR_ENCRYPTED = 1 << 0
PACK_DIR_ENCRYPTED = 1 << 0,
PACK_REL_FILEBASE = 1 << 1,
};
enum PackFileFlags {

10
editor/export/editor_export_platform.cpp
View file

@ -1613,6 +1613,9 @@ Error EditorExportPlatform::save_pack(const Ref<EditorExportPreset> &p_preset, b
if (enc_pck && enc_directory) {
pack_flags |= PACK_DIR_ENCRYPTED;
}
if (p_embed) {
pack_flags |= PACK_REL_FILEBASE;
}
f->store_32(pack_flags); // flags
uint64_t file_base_ofs = f->get_position();
@ -1703,8 +1706,12 @@ Error EditorExportPlatform::save_pack(const Ref<EditorExportPreset> &p_preset, b
}
uint64_t file_base = f->get_position();
uint64_t file_base_store = file_base;
if (pack_flags & PACK_REL_FILEBASE) {
file_base_store -= pck_start_pos;
}
f->seek(file_base_ofs);
f->store_64(file_base); // update files base
f->store_64(file_base_store); // update files base
f->seek(file_base);
// Save the rest of the data.
@ -1745,6 +1752,7 @@ Error EditorExportPlatform::save_pack(const Ref<EditorExportPreset> &p_preset, b
*r_embedded_size = f->get_position() - embed_pos;
}
}
f->close();
DirAccess::remove_file_or_error(tmppath);