Merge pull request #1597

apps/openmw/CMakeLists.txt

@@ -89,7 +89,7 @@ add_openmw_dir (mwmechanics
     )
 
 add_openmw_dir (mwstate
-    statemanagerimp charactermanager character
+    statemanagerimp charactermanager character quicksavemanager
     )
 
 add_openmw_dir (mwbase
@@ -222,4 +222,3 @@ endif (MSVC)
 if (WIN32)
     INSTALL(TARGETS openmw RUNTIME DESTINATION ".")
 endif (WIN32)
-

apps/openmw/mwstate/quicksavemanager.cpp

@@ -0,0 +1,38 @@
+#include "quicksavemanager.hpp"
+
+MWState::QuickSaveManager::QuickSaveManager(std::string &saveName, unsigned int maxSaves)
+{
+    this->mSaveName = saveName;
+    this->mMaxSaves = maxSaves;
+    this->mOldestSlotVisited = NULL;
+    this->mSlotsVisited = 0;
+}
+
+void MWState::QuickSaveManager::visitSave(const Slot *saveSlot)
+{
+    if(mSaveName == saveSlot->mProfile.mDescription)
+    {
+        ++mSlotsVisited;
+        if(isOldestSave(saveSlot))
+            mOldestSlotVisited = saveSlot;
+    }
+}
+
+bool MWState::QuickSaveManager::isOldestSave(const Slot *compare)
+{
+    if(mOldestSlotVisited == NULL)
+        return true;
+    return (compare->mTimeStamp <= mOldestSlotVisited->mTimeStamp);
+}
+
+bool MWState::QuickSaveManager::shouldCreateNewSlot()
+{
+    return (mSlotsVisited < mMaxSaves);
+}
+
+const MWState::Slot *MWState::QuickSaveManager::getNextQuickSaveSlot()
+{
+    if(shouldCreateNewSlot())
+        return NULL;
+    return mOldestSlotVisited;
+}

apps/openmw/mwstate/quicksavemanager.hpp

@@ -0,0 +1,35 @@
+#ifndef GAME_STATE_QUICKSAVEMANAGER_H
+#define GAME_STATE_QUICKSAVEMANAGER_H
+
+#include <string>
+
+#include "character.hpp"
+#include "../mwbase/statemanager.hpp"
+
+namespace MWState{
+    class QuickSaveManager{
+        std::string mSaveName;
+        unsigned int mMaxSaves;
+        unsigned int mSlotsVisited;
+        const Slot *mOldestSlotVisited;
+    private:
+        bool shouldCreateNewSlot();
+        bool isOldestSave(const Slot *compare);
+    public:
+        QuickSaveManager(std::string &saveName, unsigned int maxSaves);
+        ///< A utility class to manage multiple quicksave slots
+        ///
+        /// \param saveName The name of the save ("QuickSave", "AutoSave", etc)
+        /// \param maxSaves The maximum number of save slots to create before recycling old ones
+
+        void visitSave(const Slot *saveSlot);
+        ///< Visits the given \a slot \a
+
+        const Slot *getNextQuickSaveSlot();
+        ///< Get the slot that the next quicksave should use.
+        ///
+        ///\return Either the oldest quicksave slot visited, or NULL if a new slot can be made
+    };
+}
+
+#endif

apps/openmw/mwstate/statemanagerimp.cpp

@@ -37,6 +37,8 @@
 
 #include "../mwscript/globalscripts.hpp"
 
+#include "quicksavemanager.hpp"
+
 void MWState::StateManager::cleanup (bool force)
 {
     if (mState!=State_NoGame || force)
@@ -324,20 +326,25 @@ void MWState::StateManager::quickSave (std::string name)
         return;
     }
 
-    const Slot* slot = NULL;
+    int maxSaves = Settings::Manager::getInt("max quicksaves", "Saves");
+    if(maxSaves < 1)
+        maxSaves = 1;
+
     Character* currentCharacter = getCurrentCharacter(); //Get current character
+    QuickSaveManager saveFinder = QuickSaveManager(name, maxSaves);
 
-    //Find quicksave slot
     if (currentCharacter)
     {
         for (Character::SlotIterator it = currentCharacter->begin(); it != currentCharacter->end(); ++it)
         {
-            if (it->mProfile.mDescription == name)
-                slot = &*it;
+            //Visiting slots allows the quicksave finder to find the oldest quicksave
+            saveFinder.visitSave(&*it);
         }
     }
 
-    saveGame(name, slot);
+    //Once all the saves have been visited, the save finder can tell us which
+    //one to replace (or create)
+    saveGame(name, saveFinder.getNextQuickSaveSlot());
 }
 
 void MWState::StateManager::loadGame(const std::string& filepath)

docs/source/reference/modding/settings/saves.rst

@@ -32,3 +32,14 @@ This setting determines whether the amount of the time the player has spent play
 for each saved game in the Load menu. Currently, the counter includes time spent in menus, including the pause menu, but does not include time spent with the game window minimized.
 
 This setting can only be configured by editing the settings configuration file.
+
+max quicksaves
+----------
+
+:Type:		integer
+:Range:		>0
+:Default:	1
+
+This setting determines how many quicksave and autosave slots you can have at a time.  If greater than 1, quicksaves will be sequentially created each time you quicksave.  Once the maximum number of quicksaves has been reached, the oldest quicksave will be recycled the next time you perform a quicksave.
+
+This setting can only be configured by editing the settings configuration file.

files/settings-default.cfg

@@ -291,6 +291,10 @@ autosave = true
 # Display the time played on each save file in the load menu.
 timeplayed = false
 
+# The maximum number of quick (or auto) save slots to have.
+# If all slots are used, the  oldest save is reused
+max quicksaves = 1
+
 [Sound]
 
 # Name of audio device file.  Blank means use the default device.