add lua engine, lua file, server, client, vehicle data, other stuff

include/Compat.h

@@ -1,17 +1,28 @@
 #pragma once
 
-// Unix - Win32 compatibility stuff
+// ======================= UNIX ========================
+
+#ifdef __unix
+#include <arpa/inet.h>
+#include <termios.h>
+#include <unistd.h>
+using SOCKET = int;
+using DWORD = unsigned long;
+using PDWORD = unsigned long*;
+using LPDWORD = unsigned long*;
+char _getch(void);
+#endif // unix
+
+// ======================= WIN32 =======================
+
 #ifdef WIN32
 #include <conio.h>
 #include <windows.h>
-#else // *nix
-typedef unsigned long DWORD, *PDWORD, *LPDWORD;
-#include <termios.h>
-#include <unistd.h>
 #endif // WIN32
 
-#ifndef WIN32
+// ======================= OTHER =======================
 
-char _getch(void);
+#if !defined(WIN32) && !defined(__unix)
+#error "OS not supported"
+#endif
 
-#endif // !WIN32