add command-line options

include/Options.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <string>
+
+struct Options {
+    std::string executable_name = "BeamMP-Launcher.exe";
+    unsigned int port = 4444;
+    bool verbose = false;
+    bool no_download = false;
+    bool no_launch = false;
+    char **game_arguments = nullptr;
+    int game_arguments_length = 0;
+};
+
+void InitOptions(int argc, char *argv[], Options &options);
+
+extern Options options;