From b54574fe19e2e496da77d5755ca123713d8859a0 Mon Sep 17 00:00:00 2001
From: Hielke Morsink <hielke.morsink@gmail.com>
Date: Thu, 8 Feb 2018 01:49:45 +0100
Subject: [PATCH] Ensure path exists for writable filestreams

---
 src/openrct2/core/FileStream.hpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/openrct2/core/FileStream.hpp b/src/openrct2/core/FileStream.hpp
index c683f84401..529fd41e90 100644
--- a/src/openrct2/core/FileStream.hpp
+++ b/src/openrct2/core/FileStream.hpp
@@ -12,6 +12,7 @@
 #include "../common.h"
 #include "../localisation/Language.h"
 #include "IStream.hpp"
+#include "Path.hpp"
 #include "String.hpp"
 
 #include <algorithm>
@@ -81,6 +82,16 @@ namespace OpenRCT2
                     throw;
             }
 
+            // Make sure the directory exists before writing to a file inside it
+            if (_canWrite)
+            {
+                std::string directory = Path::GetDirectory(path);
+                if (!Path::DirectoryExists(directory))
+                {
+                    Path::CreateDirectory(directory);
+                }
+            }
+
 #ifdef _WIN32
             auto pathW = String::ToWideChar(path);
             auto modeW = String::ToWideChar(mode);