Split up Platform2 by OS

src/openrct2/platform/Platform.Linux.cpp

@@ -0,0 +1,67 @@
+#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
+/*****************************************************************************
+* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
+*
+* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
+* For more information, visit https://github.com/OpenRCT2/OpenRCT2
+*
+* OpenRCT2 is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* A full copy of the GNU General Public License can be found in licence.txt
+*****************************************************************************/
+#pragma endregion
+
+#ifdef __linux__
+
+#include <pwd.h>
+#include "../core/Path.hpp"
+#include "Platform2.h"
+
+namespace Platform
+{
+    std::string GetFolderPath(SPECIAL_FOLDER folder)
+    {
+        switch (folder)
+        {
+        case SPECIAL_FOLDER::USER_CACHE:
+            {
+                auto path = GetEnvironmentPath("XDG_CACHE_HOME");
+                if (path.empty())
+                {
+                    auto home = GetFolderPath(SPECIAL_FOLDER::USER_HOME);
+                    path = Path::Combine(home, ".cache");
+                }
+                return path;
+            }
+        case SPECIAL_FOLDER::USER_CONFIG:
+            {
+                auto path = GetEnvironmentPath("XDG_CONFIG_HOME");
+                if (path.empty())
+                {
+                    auto home = GetFolderPath(SPECIAL_FOLDER::USER_HOME);
+                    path = Path::Combine(home, ".config");
+                }
+                return path;
+            }
+        case SPECIAL_FOLDER::USER_DATA:
+            {
+                auto path = GetEnvironmentPath("XDG_DATA_HOME");
+                if (path.empty())
+                {
+                    auto home = GetFolderPath(SPECIAL_FOLDER::USER_HOME);
+                    path = Path::Combine(home, ".local/share");
+                }
+                return path;
+            }
+        case SPECIAL_FOLDER::USER_HOME:
+            return GetHomePath();
+        default:
+            return std::string();
+        }
+    }
+}
+
+#endif