1) Code clean up 2) Backup savestate now only applies to save slots

src/drivers/win/state.cpp

@@ -66,25 +66,3 @@ void FCEUD_LoadStateFrom()
 	}
 }
 
-bool CheckBackupSaveStateExist()
-{
-	//This function simply checks to see if the backup loadstate exists, the backup loadstate is a special savestate
-	//That is made before loading any state, so that the user never loses his data
-	string filename = GetBackupFileName(); //Get backup savestate filename
-		
-	//Check if this filename exists
-	fstream test;
-	test.open(filename.c_str(),fstream::in);
-		
-	if (test.fail())
-	{
-		test.close();
-		return false;
-	}
-	else
-	{
-		test.close();
-		return true;
-	}
-}
-

src/drivers/win/state.h

@@ -1,5 +1,5 @@
 void FCEUD_SaveStateAs();
 void FCEUD_LoadStateFrom();
 
-bool CheckBackupSaveStateExist();	//Checks if backupsavestate exists
+
 void LoadBackup();					//Load backup savestate

src/drivers/win/window.cpp

@@ -22,6 +22,7 @@
 //                   does not include functions relevant for dialog windows.
 
 #include "../../input.h"
+#include "../../state.h"
 #include "window.h"
 #include "main.h"
 #include "state.h"
@@ -94,10 +95,6 @@ void ShowNetplayConsole(void); //mbg merge 7/17/06 YECH had to add
 void MapInput(void);
 extern BOOL CALLBACK ReplayMetadataDialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);	//Metadata dialog
 extern bool CheckFileExists(const char* filename);	//Receives a filename (fullpath) and checks to see if that file exists
-//From src/state.cpp
-extern bool undoSS;				//Decides if undo savestate is eligible
-extern bool redoSS;				//Decides if it should be called redo instead of undo
-extern void SwapSaveState();	//Performs the undo/redo operation
 
 //AutoFire-----------------------------------------------
 void SetAutoFirePattern(int onframes, int offframes);

src/state.cpp

@@ -431,16 +431,6 @@ void FCEUSS_Save(const char *fname)
 
 	if(fname)	//If filename is given use it.
 	{
-		//backup existing savestate first
-		if (CheckFileExists(fname)) 
-		{
-			CreateBackupSaveState(fname);		//Make a backup of previous savestate before overwriting it
-			strcpy(lastSavestateMade,fname);	//Remember what the last savestate filename was (for undoing later)
-			undoSS = true;						//Backup was created so redo is possible
-		}
-		else
-			undoSS = false;					//so backup made so lastSavestateMade does have a backup file, so no undo
-
 		st =FCEUD_UTF8_fstream(fname, "wb");
 	}
 	else		//Else, generate one
@@ -958,6 +948,28 @@ string GetBackupFileName()
 	return filename;
 }
 
+bool CheckBackupSaveStateExist()
+{
+	//This function simply checks to see if the backup loadstate exists, the backup loadstate is a special savestate
+	//That is made before loading any state, so that the user never loses his data
+	string filename = GetBackupFileName(); //Get backup savestate filename
+		
+	//Check if this filename exists
+	fstream test;
+	test.open(filename.c_str(),fstream::in);
+		
+	if (test.fail())
+	{
+		test.close();
+		return false;
+	}
+	else
+	{
+		test.close();
+		return true;
+	}
+}
+
 void BackupLoadState()
 {
 	string filename = GetBackupFileName();

src/state.h

@@ -68,3 +68,4 @@ void SwapSaveState();				 //Swaps a savestate with its backup state
 extern bool undoSS;					 //undo savestate flag
 extern bool redoSS;					 //redo savestate flag
 extern char lastSavestateMade[2048]; //Filename of last savestate used
+bool CheckBackupSaveStateExist();	 //Checks if backupsavestate exists