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Add support for delta encoding to patch PCKs

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This commit is contained in:
Mikael Hermansson
2025-10-24 16:10:45 +02:00
parent 9dd6c4dbac
commit 0cc88f34da
17 changed files with 851 additions and 92 deletions
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7
platform/android/export/gradle_export_util.cpp
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@@ -170,14 +170,14 @@ Error store_string_at_path(const String &p_path, const String &p_data) {
// It is used by the export_project_files method to save all the asset files into the gradle project.
// It's functionality mirrors that of the method save_apk_file.
// This method will be called ONLY when gradle build is enabled.
Error rename_and_store_file_in_gradle_project(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key, uint64_t p_seed) {
Error rename_and_store_file_in_gradle_project(const Ref<EditorExportPreset> &p_preset, void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key, uint64_t p_seed, bool p_delta) {
CustomExportData *export_data = static_cast<CustomExportData *>(p_userdata);
const String simplified_path = EditorExportPlatform::simplify_path(p_path);
Vector<uint8_t> enc_data;
EditorExportPlatform::SavedData sd;
Error err = _store_temp_file(simplified_path, p_data, p_enc_in_filters, p_enc_ex_filters, p_key, p_seed, enc_data, sd);
Error err = _store_temp_file(simplified_path, p_data, p_enc_in_filters, p_enc_ex_filters, p_key, p_seed, p_delta, enc_data, sd);
if (err != OK) {
return err;
}
@@ -398,7 +398,7 @@ String _get_application_tag(const Ref<EditorExportPlatform> &p_export_platform,
return manifest_application_text;
}
Error _store_temp_file(const String &p_simplified_path, const Vector<uint8_t> &p_data, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key, uint64_t p_seed, Vector<uint8_t> &r_enc_data, EditorExportPlatform::SavedData &r_sd) {
Error _store_temp_file(const String &p_simplified_path, const Vector<uint8_t> &p_data, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key, uint64_t p_seed, bool p_delta, Vector<uint8_t> &r_enc_data, EditorExportPlatform::SavedData &r_sd) {
Error err = OK;
Ref<FileAccess> ftmp = FileAccess::create_temp(FileAccess::WRITE_READ, "export", "tmp", false, &err);
if (err != OK) {
@@ -407,6 +407,7 @@ Error _store_temp_file(const String &p_simplified_path, const Vector<uint8_t> &p
r_sd.path_utf8 = p_simplified_path.trim_prefix("res://").utf8();
r_sd.ofs = 0;
r_sd.size = p_data.size();
r_sd.delta = p_delta;
err = EditorExportPlatform::_encrypt_and_store_data(ftmp, p_simplified_path, p_data, p_enc_in_filters, p_enc_ex_filters, p_key, p_seed, r_sd.encrypted);
if (err != OK) {
return err;