6 files changed, 79 insertions, 3 deletions

diff --git a/src/app/system.cpp b/src/app/system.cpp
index 6927af8..743ed96 100644
--- a/src/app/system.cpp
+++ b/src/app/system.cpp
@@ -187,3 +187,13 @@ float CSystemUtils::TimeStampDiff(SystemTimeStamp *before, SystemTimeStamp *afte
 
     return result;
 }
+
+std::string CSystemUtils::profileFileLocation()
+{
+	return std::string("colobot.ini");
+}
+
+std::string CSystemUtils::savegameDirectoryLocation()
+{
+	return std::string("savegame");
+}
diff --git a/src/app/system.h b/src/app/system.h
index 278a4bf..6ae05d6 100644
--- a/src/app/system.h
+++ b/src/app/system.h
@@ -129,6 +129,12 @@ public:
     //! Returns the exact (in nanosecond units) difference between two timestamps
     /** The difference is \a after - \a before. */
     virtual long long TimeStampExactDiff(SystemTimeStamp *before, SystemTimeStamp *after) = 0;
+
+    //! Returns the profile (colobot.ini) file location
+    virtual std::string profileFileLocation();
+
+    //! Returns the savegame directory location
+    virtual std::string savegameDirectoryLocation();
 };
 
 //! Global function to get CSystemUtils instance
diff --git a/src/app/system_linux.cpp b/src/app/system_linux.cpp
index 619909d..01dd850 100644
--- a/src/app/system_linux.cpp
+++ b/src/app/system_linux.cpp
@@ -94,3 +94,57 @@ long long CSystemUtilsLinux::TimeStampExactDiff(SystemTimeStamp *before, SystemT
     return (after->clockTime.tv_nsec - before->clockTime.tv_nsec) +
            (after->clockTime.tv_sec  - before->clockTime.tv_sec) * 1000000000ll;
 }
+
+std::string CSystemUtilsLinux::profileFileLocation()
+{
+    std::string m_profileFile;
+
+    // Determine profileFile according to XDG Base Directory Specification
+    char* envXDG_CONFIG_HOME = getenv("XDG_CONFIG_HOME");
+    if (envXDG_CONFIG_HOME == NULL)
+    {
+        char *envHOME = getenv("HOME");
+        if (envHOME == NULL)
+        {
+            m_profileFile = "colobot.ini";
+        }
+        else
+        {
+            m_profileFile = std::string(envHOME) + "/.config/colobot.ini";
+        }
+    }
+    else
+    {
+        m_profileFile = std::string(envXDG_CONFIG_HOME) + "/colobot.ini";
+    }
+    GetLogger()->Trace("Profile configuration is %s\n", m_profileFile.c_str());
+
+    return m_profileFile;
+}
+
+std::string CSystemUtilsLinux::savegameDirectoryLocation()
+{
+    std::string m_savegameDir;
+
+    // Determine savegame dir according to XDG Base Directory Specification
+    char *envXDG_DATA_HOME = getenv("XDG_CONFIG_DATA");
+    if (envXDG_DATA_HOME == NULL)
+    {
+        char *envHOME = getenv("HOME");
+        if (envHOME == NULL)
+        {
+            m_savegameDir = "/tmp/colobot-savegame";
+        }
+        else
+       {
+            m_savegameDir = std::string(envHOME) + "/.local/share/colobot";
+        }
+    }
+    else
+    {
+        m_savegameDir = std::string(envXDG_DATA_HOME) + "/colobot";
+    }
+    GetLogger()->Trace("Saved game files are going to %s\n", m_savegameDir.c_str());
+
+    return m_savegameDir;
+}
diff --git a/src/app/system_linux.h b/src/app/system_linux.h
index ba0d8cd..a9a5a52 100644
--- a/src/app/system_linux.h
+++ b/src/app/system_linux.h
@@ -46,6 +46,9 @@ public:
     virtual long long GetTimeStampExactResolution() override;
     virtual long long TimeStampExactDiff(SystemTimeStamp *before, SystemTimeStamp *after) override;
 
+    virtual std::string profileFileLocation() override;
+    virtual std::string savegameDirectoryLocation() override;
+
 private:
     bool m_zenityAvailable;
 };
diff --git a/src/common/profile.cpp b/src/common/profile.cpp
index 2d11217..654648d 100644
--- a/src/common/profile.cpp
+++ b/src/common/profile.cpp
@@ -19,6 +19,8 @@
 
 #include "common/logger.h"
 
+#include "app/system.h"
+
 #include <utility>
 #include <cstring>
 #include <boost/property_tree/ini_parser.hpp>
@@ -41,7 +43,7 @@ CProfile::~CProfile()
     {
         try
         {
-            bp::ini_parser::write_ini("colobot.ini", m_propertyTree);
+            bp::ini_parser::write_ini(GetSystemUtils()->profileFileLocation(), m_propertyTree);
         }
         catch (std::exception & e)
         {
@@ -55,7 +57,7 @@ bool CProfile::InitCurrentDirectory()
 {
     try
     {
-        bp::ini_parser::read_ini("colobot.ini", m_propertyTree);
+        bp::ini_parser::read_ini(GetSystemUtils()->profileFileLocation(), m_propertyTree);
     }
     catch (std::exception & e)
     {
diff --git a/src/ui/maindialog.cpp b/src/ui/maindialog.cpp
index a3670de..ced4324 100644
--- a/src/ui/maindialog.cpp
+++ b/src/ui/maindialog.cpp
@@ -18,6 +18,7 @@
 #include "ui/maindialog.h"
 
 #include "app/app.h"
+#include "app/system.h"
 
 #include "common/global.h"
 #include "common/event.h"
@@ -173,7 +174,7 @@ CMainDialog::CMainDialog()
 
 
     m_sceneDir = "levels";
-    m_savegameDir = "savegame";
+    m_savegameDir = GetSystemUtils()->savegameDirectoryLocation();
     m_publicDir = "program";
     m_userDir = "user";
     m_filesDir = "files";