1 files changed, 50 insertions, 0 deletions

diff --git a/src/package.cpp b/src/package.cpp
index 379aaeb..e958a19 100644
--- a/src/package.cpp
+++ b/src/package.cpp
@@ -1,6 +1,9 @@
 #include "package.hpp"
 
 #include <algorithm>
+#include <filesystem>
+#include <fstream>
+#include <iostream>
 
 namespace silly::editor {
   TileSet &LevelPackage::get_tileset() { return this->tileset; }
@@ -26,4 +29,51 @@ namespace silly::editor {
   }
 
   const std::string &LevelPackage::get_name() const { return this->name; }
+
+  std::string LevelPackage::export_to_string() const {
+    std::ostringstream oss;
+
+    // package data
+    oss << "[package]\n"
+        << "# name,version\n"
+        << name << ","
+        << "0\n";
+
+    // tileset data
+    oss << this->tileset.export_to_string() << "\n";
+
+    // level data
+    for (auto it = this->levels.begin(); it != this->levels.end(); ++it) {
+      oss << it->export_to_string() << "\n";
+    }
+
+    return oss.str();
+  }
+
+  void LevelPackage::save(LevelPackageFormat format,
+                          std::string &file_path) const {
+    if (format != PACKAGE_TXT) {
+      return;
+    }
+
+    // writing package file
+    std::stringstream pkg_file_path;
+
+    pkg_file_path << file_path << "/" << this->name << ".txt";
+
+    std::string package = this->export_to_string();
+
+    std::ofstream ifs(pkg_file_path.str());
+    ifs << package;
+    ifs.close();
+
+    // copying resource files
+    for (auto it = this->tileset.get_entries().begin();
+         it != this->tileset.get_entries().end(); ++it) {
+      TilesetTile *t = it->get();
+      std::string old_path = t->path;
+      std::string new_path = file_path + "/" + t->name + "." + t->extension;
+      std::filesystem::copy_file(old_path, new_path);
+    }
+  }
 }
\ No newline at end of file