Engine now builds under MSVC

box/box_common.h

@@ -1,8 +1,5 @@
 #pragma once
 
-#include <SDL2/SDL.h>
-#include <SDL2/SDL_image.h>
-
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
@@ -15,11 +12,17 @@
 //platform/compiler-specific instructions
 #if defined(__linux__) || defined(__MINGW32__) || defined(__GNUC__)
 
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_image.h>
+
 #include <unistd.h>
 #define BOX_API extern
 
 #elif defined(_MSC_VER)
 
+#include <SDL.h>
+#include <SDL_image.h>
+
 #include <windows.h>
 #ifndef BOX_EXPORT
 #define BOX_API __declspec(dllimport)
@@ -27,6 +30,8 @@
 #define BOX_API __declspec(dllexport)
 #endif
 
+#define sleep Sleep
+
 #else
 
 #define BOX_API extern