Load files from subfolders in texturepacks

Updated and rebased version of a PR by red-001

1 files changed, 26 insertions, 5 deletions

diff --git a/src/filesys.cpp b/src/filesys.cpp
index d965384a2..694169d20 100644
--- a/src/filesys.cpp
+++ b/src/filesys.cpp
@@ -380,15 +380,36 @@ std::string TempPath()
 
 #endif
 
-void GetRecursiveSubPaths(const std::string &path, std::vector<std::string> &dst)
+void GetRecursiveDirs(std::vector<std::string> &dirs, const std::string &dir)
+{
+	static const std::set<char> chars_to_ignore = { '_', '.' };
+	if (dir.empty() || !IsDir(dir))
+		return;
+	dirs.push_back(dir);
+	fs::GetRecursiveSubPaths(dir, dirs, false, chars_to_ignore);
+}
+
+std::vector<std::string> GetRecursiveDirs(const std::string &dir)
+{
+	std::vector<std::string> result;
+	GetRecursiveDirs(result, dir);
+	return result;
+}
+
+void GetRecursiveSubPaths(const std::string &path,
+		  std::vector<std::string> &dst,
+		  bool list_files,
+		  const std::set<char> &ignore)
 {
 	std::vector<DirListNode> content = GetDirListing(path);
 	for (const auto &n : content) {
 		std::string fullpath = path + DIR_DELIM + n.name;
-		dst.push_back(fullpath);
-		if (n.dir) {
-			GetRecursiveSubPaths(fullpath, dst);
-		}
+		if (ignore.count(n.name[0]))
+			continue;
+		if (list_files || n.dir)
+			dst.push_back(fullpath);
+		if (n.dir)
+			GetRecursiveSubPaths(fullpath, dst, list_files, ignore);
 	}
 }