Add function to obtain filesystem type from DirAccess.

Change EditorFileSystem to not use directory modification times on FAT32, fixes #20946

3 files changed, 8 insertions, 0 deletions

diff --git a/core/io/file_access_pack.cpp b/core/io/file_access_pack.cpp
index 43fedc5238..c97b8cafac 100644
--- a/core/io/file_access_pack.cpp
+++ b/core/io/file_access_pack.cpp
@@ -490,6 +490,10 @@ size_t DirAccessPack::get_space_left() {
 	return 0;
 }
 
+String DirAccessPack::get_filesystem_type() const {
+	return "PCK";
+}
+
 DirAccessPack::DirAccessPack() {
 
 	current = PackedData::get_singleton()->root;
diff --git a/core/io/file_access_pack.h b/core/io/file_access_pack.h
index 04610bed57..ae5e83d405 100644
--- a/core/io/file_access_pack.h
+++ b/core/io/file_access_pack.h
@@ -221,6 +221,9 @@ public:
 
 	size_t get_space_left();
 
+	virtual String get_filesystem_type() const;
+
+
 	DirAccessPack();
 	~DirAccessPack();
 };
diff --git a/core/os/dir_access.h b/core/os/dir_access.h
index 16358fbc57..36ccbc9b4d 100644
--- a/core/os/dir_access.h
+++ b/core/os/dir_access.h
@@ -98,6 +98,7 @@ public:
 	virtual Error rename(String p_from, String p_to) = 0;
 	virtual Error remove(String p_name) = 0;
 
+	virtual String get_filesystem_type() const=0 ;
 	static String get_full_path(const String &p_path, AccessType p_access);
 	static DirAccess *create_for_path(const String &p_path);