SavegameManager::GetLastSavegame

src/common/menu/savegamemanager.cpp

@@ -479,6 +479,23 @@ DEFINE_ACTION_FUNCTION(FSavegameManager, GetSavegame)
 //
 //=============================================================================
 
+int ZS_GetLastSavegame(FSavegameManagerBase * self)
+{
+	return self->GetLastSavegame();
+}
+
+DEFINE_ACTION_FUNCTION_NATIVE(FSavegameManager, GetLastSavegame, ZS_GetLastSavegame)
+{
+	PARAM_SELF_STRUCT_PROLOGUE(FSavegameManagerBase);
+	ACTION_RETURN_INT(self->GetLastSavegame());
+}
+
+//=============================================================================
+//
+//
+//
+//=============================================================================
+
 void FSavegameManagerBase::InsertNewSaveNode()
 {
 	NewSaveNode.SaveTitle = GStrings("NEWSAVE");

src/common/menu/savegamemanager.h

@@ -42,6 +42,7 @@ struct FSavegameManagerBase
 	void ClearSaveGames();
 
 	virtual void ReadSaveStrings() = 0;
+	virtual int GetLastSavegame() = 0;
 	void UnloadSaveData();
 
 	int RemoveSaveSlot(int index);

src/menu/doommenu.h

@@ -19,11 +19,15 @@ void OnMenuOpen(bool makeSound);
 
 class FSavegameManager : public FSavegameManagerBase
 {
+	time_t lastSaveTime = 0;
+	FSaveGameNode * lastSave = nullptr;
+
 	void PerformSaveGame(const char *fn, const char *sgdesc) override;
 	void PerformLoadGame(const char *fn, bool) override;
 	FString ExtractSaveComment(FSerializer &arc) override;
 	FString BuildSaveName(const char* prefix, int slot) override;
 	void ReadSaveStrings() override;
+	int GetLastSavegame() override;
 };
 
 extern FSavegameManager savegameManager;

src/menu/loadsavemenu.cpp

@@ -33,6 +33,9 @@
 **
 */
 
+#include <sstream>
+#include <iomanip>
+
 #include "doommenu.h"
 #include "version.h"
 #include "g_game.h"
@@ -58,6 +61,16 @@
 //
 //=============================================================================
 
+int FSavegameManager::GetLastSavegame()
+{
+	ReadSaveStrings();
+	for(int i = 0; i < SaveGames.Size(); i++)
+	{
+		if(SaveGames[i] == lastSave) return i;
+	}
+	return -1;
+}
+
 void FSavegameManager::ReadSaveStrings()
 {
 	if (SaveGames.Size() == 0)
@@ -91,7 +104,19 @@ void FSavegameManager::ReadSaveStrings()
 						FString engine = arc.GetString("Engine");
 						FString iwad = arc.GetString("Game WAD");
 						FString title = arc.GetString("Title");
+						FString time_str = arc.GetString("Creation Time");
+						time_t time = 0;
+
+						if(time_str.CompareNoCase("Unknown\n") != 0)
+						{
+							tm t = {};
+							//strptime(time_str.GetChars(), "%F %T", &time); //microsoft WHY
+
+							std::istringstream is(time_str.GetChars());
+							is >> std::get_time(&t, "%Y-%m-%d %H:%M:%S");
 
+							time = mktime(&t);
+						}
 
 						if (engine.Compare(GAMESIG) != 0 || savever > SAVEVER)
 						{
@@ -120,6 +145,12 @@ void FSavegameManager::ReadSaveStrings()
 						node->bOldVersion = oldVer;
 						node->bMissingWads = missing;
 						node->SaveTitle = title;
+
+						if(time > lastSaveTime && !missing)
+						{
+							lastSave = node;
+						}
+
 						InsertSaveNode(node);
 					}
 				}

wadsrc/static/zscript/engine/ui/menu/loadsavemenu.zs

@@ -66,6 +66,7 @@ struct SavegameManager native ui
 	native void SetFileInfo(int Selected);
 	native int SavegameCount();
 	native SaveGameNode GetSavegame(int i);
+	native int GetLastSavegame();
 	native void InsertNewSaveNode();
 	native bool RemoveNewSaveNode();