Add ability to export patch packs

Co-authored-by: Poq Xert <poqxert@poqxert.ru>

2 files changed, 19 insertions, 0 deletions

diff --git a/core/io/file_access_pack.cpp b/core/io/file_access_pack.cpp
index eec27ce0aa..1340382eaa 100644
--- a/core/io/file_access_pack.cpp
+++ b/core/io/file_access_pack.cpp
@@ -102,6 +102,22 @@ void PackedData::add_pack_source(PackSource *p_source) {
 	}
 }
 
+uint8_t *PackedData::get_file_hash(const String &p_path) {
+	PathMD5 pmd5(p_path.md5_buffer());
+	HashMap<PathMD5, PackedFile, PathMD5>::Iterator E = files.find(pmd5);
+	if (!E || E->value.offset == 0) {
+		return nullptr;
+	}
+
+	return E->value.md5;
+}
+
+void PackedData::clear() {
+	files.clear();
+	_free_packed_dirs(root);
+	root = memnew(PackedDir);
+}
+
 PackedData *PackedData::singleton = nullptr;
 
 PackedData::PackedData() {
diff --git a/core/io/file_access_pack.h b/core/io/file_access_pack.h
index 595a36bca4..57b7a5f87f 100644
--- a/core/io/file_access_pack.h
+++ b/core/io/file_access_pack.h
@@ -111,6 +111,7 @@ private:
 public:
 	void add_pack_source(PackSource *p_source);
 	void add_path(const String &p_pkg_path, const String &p_path, uint64_t p_ofs, uint64_t p_size, const uint8_t *p_md5, PackSource *p_src, bool p_replace_files, bool p_encrypted = false); // for PackSource
+	uint8_t *get_file_hash(const String &p_path);
 
 	void set_disabled(bool p_disabled) { disabled = p_disabled; }
 	_FORCE_INLINE_ bool is_disabled() const { return disabled; }
@@ -118,6 +119,8 @@ public:
 	static PackedData *get_singleton() { return singleton; }
 	Error add_pack(const String &p_path, bool p_replace_files, uint64_t p_offset);
 
+	void clear();
+
 	_FORCE_INLINE_ Ref<FileAccess> try_open_path(const String &p_path);
 	_FORCE_INLINE_ bool has_path(const String &p_path);