Only do default assignments of stk- to steam-accounts on first

start, after that use the saved settings (otherwise a user deciding
to play without steam would get his setting overridden).

src/config/player_manager.cpp

@@ -270,28 +270,49 @@ bool PlayerManager::checkSteamAccount(const irr::core::stringw &current_name)
         }   // same steam user id
     }   // for i in m_all_players
 
-    for (unsigned int i = 0; i < m_all_players.size(); i++)
+    // Now check for an existing account name that matches the steam name.
+    // This is only done on the first time an STK version is running that
+    // connects to steam. From then on the user must go to the user screen
+    // to connect or disconnect STK accounts to steam accounts.
+    if (UserConfigParams::m_steam_first_start)
     {
-        // Ignore existing steam users, they must have a different id 
-        // (otherwise they would have been picked in the previous loop)
-        if (m_all_players[i].isSteamUser()) continue;
-        stringw name = m_all_players[i].getName();
-        if (name.equals_ignore_case(steam_name))
+        for (unsigned int i = 0; i < m_all_players.size(); i++)
         {
-            Log::warn("PlayerManager",
-                      "Connecting '%ls' to current steam account '%ls'.",
-                      current_name.c_str(), steam_name.c_str());
-            
-            m_current_player = getPlayer(i);
-            m_current_player->setToCurrentSteamUser();
-            return true;
-        }   // if steam and current name are different
-    }   // for i in m_all_players
+            // Ignore existing steam users, they must have a different id 
+            // (otherwise they would have been picked in the previous loop)
+            if (m_all_players[i].isSteamUser()) continue;
+            stringw name = m_all_players[i].getName();
+            if (name.equals_ignore_case(steam_name))
+            {
+                Log::warn("PlayerManager",
+                          "Connecting '%ls' to current steam account '%ls'.",
+                          current_name.c_str(), steam_name.c_str());
+
+                m_current_player = getPlayer(i);
+                m_current_player->setToCurrentSteamUser();
+                return true;
+            }   // if steam and current name are different
+        }   // for i in m_all_players
+
+        // No matching existing user found. Last try: if there is only
+        // one stk account, connect it to the current steam account:
+        if (m_all_players.size() == 1)
+        {
+            m_current_player = getPlayer(0);
+            m_current_player->setToCurrentSteamUser();
+            Log::warn("PlayerManager",
+               "Connecting only account '%ls' to current steam account '%ls'.",
+                      m_current_player->getName().c_str(), steam_name.c_str());
+            return true;
+        }
+
+    }   // If first time steam version is started.
+
+    // Otherwise now current user is NULL: if this is the first time that
+    // stk starts under steam (and an stk account existed, otherwise this
+    // function is not called), main() will bring up the user login screen
+    // where the user can connect and disconnect stk- and steam-accounts.
 
-    //TODO: At this stage there are a few options:
-    // 1) If there is only one STK account, connect it to the steam account?
-    // 2) automatically connect 'current' to the steam account?
-    // 3) bring up a gui?
     return false;
 }   // checkSteamAccount
 

src/config/user_config.hpp

@@ -914,6 +914,16 @@ namespace UserConfigParams
                                                  &m_online_group,
                                                     "Version of the server API to use."));
 
+    // ---- Online gameplay related
+    PARAM_PREFIX GroupUserConfigParam       m_steam_group
+            PARAM_DEFAULT(GroupUserConfigParam("Steam",
+                                              "Everything related to steam."));
+
+    PARAM_PREFIX BoolUserConfigParam        m_steam_first_start
+            PARAM_DEFAULT(BoolUserConfigParam(true,
+                                              "steam-first-start",
+                                              &m_steam_group,
+                              "If this is the first time the STK steam version was started"));
 
     // ---- Addon server related entries
     PARAM_PREFIX GroupUserConfigParam       m_addon_group

src/main.cpp

@@ -1701,10 +1701,20 @@ int main(int argc, char *argv[] )
             // so we immediately start the main menu (unless it was requested
             // to always show the login screen). Otherwise show the login
             // screen first.
-            if(PlayerManager::getCurrentPlayer() && !
-                UserConfigParams::m_always_show_login_screen)
+            if(PlayerManager::getCurrentPlayer() && 
+                !UserConfigParams::m_always_show_login_screen)
             {
                 MainMenuScreen::getInstance()->push();
+                // If this is the first time that steam starts, and at startup
+                // we could not detect a 'matching' stk account to the steam
+                // account, bring up the user screen (on top of the main menu),
+                // so that the user can manually connect an stk account with
+                // a steam account.
+                if (UserConfigParams::m_steam_first_start &&
+                    !PlayerManager::getCurrentPlayer()->isSteamUser())
+                {
+                    UserScreen::getInstance()->push();
+                }
             }
             else
             {
@@ -1801,7 +1811,7 @@ int main(int argc, char *argv[] )
     }
 
     /* Program closing...*/
-
+    UserConfigParams::m_steam_first_start = false;
 #ifdef ENABLE_WIIUSE
     if(wiimote_manager)
         delete wiimote_manager;