Fix compiling on Windows with Visual Studio

.gitignore

@@ -107,6 +107,10 @@ CMakeDoxy*
 compile_commands.json
 *.apk
 *.zip
+# Visual Studio
+*.vcxproj*
+*.sln
+.vs/
 
 # Optional user provided library folder
 lib/irrlichtmt

README.md

@@ -327,7 +327,7 @@ It is highly recommended to use vcpkg as package manager.
 
 After you successfully built vcpkg you can easily install the required libraries:
 ```powershell
-vcpkg install zlib zstd curl[winssl] openal-soft libvorbis libogg sqlite3 freetype luajit gmp jsoncpp --triplet x64-windows
+vcpkg install zlib zstd curl[winssl] openal-soft libvorbis libogg libjpeg-turbo sqlite3 freetype luajit gmp jsoncpp opengl-registry --triplet x64-windows
 ```
 
 - **Don't forget about IrrlichtMt.** The easiest way is to clone it to `lib/irrlichtmt` as described in the Linux section.

src/client/imagefilters.cpp

@@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <cmath>
 #include <cassert>
 #include <vector>
+#include <algorithm>
 
 // Simple 2D bitmap class with just the functionality needed here
 class Bitmap {

src/filesys.cpp

@@ -45,6 +45,7 @@ namespace fs
 #include <windows.h>
 #include <shlwapi.h>
 #include <io.h>
+#include <direct.h>
 
 std::vector<DirListNode> GetDirListing(const std::string &pathstring)
 {