Change the function name rawtiles to dirtiles

dirtiles.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <sys/stat.h>
+#include "dirtiles.hpp"
+
+void dir_write_tile(const char *outdir, int z, int tx, int ty, std::string const &pbf) {
+	mkdir(outdir, S_IRWXU | S_IRWXG | S_IRWXO);
+	std::string curdir(outdir);
+	std::string slash("/");
+	std::string newdir = curdir + slash + std::to_string(z);
+	mkdir(newdir.c_str(), S_IRWXU | S_IRWXG | S_IRWXO);
+	newdir = newdir + "/" + std::to_string(tx);
+	mkdir(newdir.c_str(), S_IRWXU | S_IRWXG | S_IRWXO);
+	newdir = newdir + "/" + std::to_string(ty) + ".pbf";
+
+	std::ofstream pbfFile(newdir, std::ios::out | std::ios::binary);
+	pbfFile.write(pbf.data(), pbf.size());
+	pbfFile.close();
+}