multiclient: add saveram backup feature, similar to savestate backup feature, and config\menu items. defaults to ON.

at the moment, there's no way in the ui to choose to load a backup saveram.  not sure if this is desirable....

BizHawk.MultiClient/Config.cs

@@ -178,6 +178,7 @@ namespace BizHawk.MultiClient
 		public bool InputConfigAutoTab = true;
 		public bool ShowLogWindow = false;
 		public bool BackupSavestates = true;
+		public bool BackupSaveram = true;
 		public bool AutoSavestates = false;
 		public bool SaveScreenshotWithStates = true;
 		public int AutofireOn = 1;

BizHawk.MultiClient/MainForm.Designer.cs

@@ -288,6 +288,7 @@
 			this.cmiScreenshotClipboard = new System.Windows.Forms.ToolStripMenuItem();
 			this.cmiCloseRom = new System.Windows.Forms.ToolStripMenuItem();
 			this.cmiShowMenu = new System.Windows.Forms.ToolStripMenuItem();
+			this.backupSaveramToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
 			this.menuStrip1.SuspendLayout();
 			this.StatusSlot0.SuspendLayout();
 			this.contextMenuStrip1.SuspendLayout();
@@ -313,7 +314,7 @@
 			this.menuStrip1.LayoutStyle = System.Windows.Forms.ToolStripLayoutStyle.Flow;
 			this.menuStrip1.Location = new System.Drawing.Point(0, 0);
 			this.menuStrip1.Name = "menuStrip1";
-			this.menuStrip1.Size = new System.Drawing.Size(470, 38);
+			this.menuStrip1.Size = new System.Drawing.Size(470, 40);
 			this.menuStrip1.TabIndex = 0;
 			this.menuStrip1.Text = "menuStrip1";
 			this.menuStrip1.MenuActivate += new System.EventHandler(this.menuStrip1_MenuActivate);
@@ -995,7 +996,7 @@
 			// 
 			this.pauseToolStripMenuItem.Image = global::BizHawk.MultiClient.Properties.Resources.Pause;
 			this.pauseToolStripMenuItem.Name = "pauseToolStripMenuItem";
-			this.pauseToolStripMenuItem.Size = new System.Drawing.Size(135, 22);
+			this.pauseToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.pauseToolStripMenuItem.Text = "&Pause";
 			this.pauseToolStripMenuItem.Click += new System.EventHandler(this.pauseToolStripMenuItem_Click);
 			// 
@@ -1003,26 +1004,26 @@
 			// 
 			this.rebootCoreToolStripMenuItem.Image = global::BizHawk.MultiClient.Properties.Resources.reboot;
 			this.rebootCoreToolStripMenuItem.Name = "rebootCoreToolStripMenuItem";
-			this.rebootCoreToolStripMenuItem.Size = new System.Drawing.Size(135, 22);
+			this.rebootCoreToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.rebootCoreToolStripMenuItem.Text = "&Reboot Core";
 			this.rebootCoreToolStripMenuItem.Click += new System.EventHandler(this.powerToolStripMenuItem_Click);
 			// 
 			// toolStripSeparator1
 			// 
 			this.toolStripSeparator1.Name = "toolStripSeparator1";
-			this.toolStripSeparator1.Size = new System.Drawing.Size(132, 6);
+			this.toolStripSeparator1.Size = new System.Drawing.Size(149, 6);
 			// 
 			// resetToolStripMenuItem
 			// 
 			this.resetToolStripMenuItem.Name = "resetToolStripMenuItem";
-			this.resetToolStripMenuItem.Size = new System.Drawing.Size(135, 22);
+			this.resetToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.resetToolStripMenuItem.Text = "&Soft Reset";
 			this.resetToolStripMenuItem.Click += new System.EventHandler(this.resetToolStripMenuItem_Click);
 			// 
 			// hardResetToolStripMenuItem
 			// 
 			this.hardResetToolStripMenuItem.Name = "hardResetToolStripMenuItem";
-			this.hardResetToolStripMenuItem.Size = new System.Drawing.Size(135, 22);
+			this.hardResetToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.hardResetToolStripMenuItem.Text = "&Hard Reset";
 			this.hardResetToolStripMenuItem.Click += new System.EventHandler(this.hardResetToolStripMenuItem_Click);
 			// 
@@ -1239,7 +1240,7 @@
 			// 
 			this.controllersToolStripMenuItem.Image = global::BizHawk.MultiClient.Properties.Resources.GameController;
 			this.controllersToolStripMenuItem.Name = "controllersToolStripMenuItem";
-			this.controllersToolStripMenuItem.Size = new System.Drawing.Size(138, 22);
+			this.controllersToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.controllersToolStripMenuItem.Text = "&Controllers...";
 			this.controllersToolStripMenuItem.Click += new System.EventHandler(this.controllersToolStripMenuItem_Click);
 			// 
@@ -1247,7 +1248,7 @@
 			// 
 			this.hotkeysToolStripMenuItem.Image = global::BizHawk.MultiClient.Properties.Resources.HotKeys;
 			this.hotkeysToolStripMenuItem.Name = "hotkeysToolStripMenuItem";
-			this.hotkeysToolStripMenuItem.Size = new System.Drawing.Size(138, 22);
+			this.hotkeysToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.hotkeysToolStripMenuItem.Text = "&Hotkeys...";
 			this.hotkeysToolStripMenuItem.Click += new System.EventHandler(this.hotkeysToolStripMenuItem_Click);
 			// 
@@ -1255,7 +1256,7 @@
 			// 
 			this.messagesToolStripMenuItem.Image = global::BizHawk.MultiClient.Properties.Resources.MessageConfig;
 			this.messagesToolStripMenuItem.Name = "messagesToolStripMenuItem";
-			this.messagesToolStripMenuItem.Size = new System.Drawing.Size(138, 22);
+			this.messagesToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.messagesToolStripMenuItem.Text = "&Messages...";
 			this.messagesToolStripMenuItem.Click += new System.EventHandler(this.messagesToolStripMenuItem_Click);
 			// 
@@ -1263,7 +1264,7 @@
 			// 
 			this.pathsToolStripMenuItem.Image = global::BizHawk.MultiClient.Properties.Resources.CopyFolderHS;
 			this.pathsToolStripMenuItem.Name = "pathsToolStripMenuItem";
-			this.pathsToolStripMenuItem.Size = new System.Drawing.Size(138, 22);
+			this.pathsToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.pathsToolStripMenuItem.Text = "Paths...";
 			this.pathsToolStripMenuItem.Click += new System.EventHandler(this.pathsToolStripMenuItem_Click);
 			// 
@@ -1271,7 +1272,7 @@
 			// 
 			this.soundToolStripMenuItem.Image = global::BizHawk.MultiClient.Properties.Resources.AudioHS;
 			this.soundToolStripMenuItem.Name = "soundToolStripMenuItem";
-			this.soundToolStripMenuItem.Size = new System.Drawing.Size(138, 22);
+			this.soundToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.soundToolStripMenuItem.Text = "&Sound...";
 			this.soundToolStripMenuItem.Click += new System.EventHandler(this.soundToolStripMenuItem_Click);
 			// 
@@ -1279,14 +1280,14 @@
 			// 
 			this.autofireToolStripMenuItem.Image = global::BizHawk.MultiClient.Properties.Resources.Lightning;
 			this.autofireToolStripMenuItem.Name = "autofireToolStripMenuItem";
-			this.autofireToolStripMenuItem.Size = new System.Drawing.Size(138, 22);
+			this.autofireToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.autofireToolStripMenuItem.Text = "&Autofire...";
 			this.autofireToolStripMenuItem.Click += new System.EventHandler(this.autofireToolStripMenuItem_Click);
 			// 
 			// toolStripSeparator9
 			// 
 			this.toolStripSeparator9.Name = "toolStripSeparator9";
-			this.toolStripSeparator9.Size = new System.Drawing.Size(135, 6);
+			this.toolStripSeparator9.Size = new System.Drawing.Size(149, 6);
 			// 
 			// enableToolStripMenuItem
 			// 
@@ -1296,9 +1297,10 @@
             this.backupSavestatesToolStripMenuItem,
             this.autoSavestatesToolStripMenuItem,
             this.saveScreenshotWithSavestatesToolStripMenuItem,
-            this.frameAdvanceSkipLagFramesToolStripMenuItem});
+            this.frameAdvanceSkipLagFramesToolStripMenuItem,
+            this.backupSaveramToolStripMenuItem});
 			this.enableToolStripMenuItem.Name = "enableToolStripMenuItem";
-			this.enableToolStripMenuItem.Size = new System.Drawing.Size(138, 22);
+			this.enableToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.enableToolStripMenuItem.Text = "&Enable";
 			this.enableToolStripMenuItem.DropDownOpened += new System.EventHandler(this.enableToolStripMenuItem_DropDownOpened);
 			// 
@@ -1361,7 +1363,7 @@
             this.toolStripSeparator23,
             this.logWindowAsConsoleToolStripMenuItem});
 			this.gUIToolStripMenuItem.Name = "gUIToolStripMenuItem";
-			this.gUIToolStripMenuItem.Size = new System.Drawing.Size(138, 22);
+			this.gUIToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.gUIToolStripMenuItem.Text = "GUI";
 			this.gUIToolStripMenuItem.DropDownOpened += new System.EventHandler(this.gUIToolStripMenuItem_DropDownOpened);
 			// 
@@ -1476,7 +1478,7 @@
             this.miSpeed150,
             this.miSpeed200});
 			this.frameSkipToolStripMenuItem.Name = "frameSkipToolStripMenuItem";
-			this.frameSkipToolStripMenuItem.Size = new System.Drawing.Size(138, 22);
+			this.frameSkipToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.frameSkipToolStripMenuItem.Text = "Speed/Skip";
 			this.frameSkipToolStripMenuItem.DropDownOpened += new System.EventHandler(this.frameSkipToolStripMenuItem_DropDownOpened);
 			// 
@@ -1619,13 +1621,13 @@
 			// toolStripSeparator10
 			// 
 			this.toolStripSeparator10.Name = "toolStripSeparator10";
-			this.toolStripSeparator10.Size = new System.Drawing.Size(135, 6);
+			this.toolStripSeparator10.Size = new System.Drawing.Size(149, 6);
 			// 
 			// saveConfigToolStripMenuItem
 			// 
 			this.saveConfigToolStripMenuItem.Image = global::BizHawk.MultiClient.Properties.Resources.Save;
 			this.saveConfigToolStripMenuItem.Name = "saveConfigToolStripMenuItem";
-			this.saveConfigToolStripMenuItem.Size = new System.Drawing.Size(138, 22);
+			this.saveConfigToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.saveConfigToolStripMenuItem.Text = "Save Config";
 			this.saveConfigToolStripMenuItem.Click += new System.EventHandler(this.saveConfigToolStripMenuItem_Click);
 			// 
@@ -1633,7 +1635,7 @@
 			// 
 			this.loadConfigToolStripMenuItem.Image = global::BizHawk.MultiClient.Properties.Resources.LoadConfig;
 			this.loadConfigToolStripMenuItem.Name = "loadConfigToolStripMenuItem";
-			this.loadConfigToolStripMenuItem.Size = new System.Drawing.Size(138, 22);
+			this.loadConfigToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
 			this.loadConfigToolStripMenuItem.Text = "Load Config";
 			// 
 			// toolsToolStripMenuItem
@@ -2479,6 +2481,13 @@
 			this.cmiShowMenu.Text = "Show Menu";
 			this.cmiShowMenu.Click += new System.EventHandler(this.showMenuToolStripMenuItem_Click);
 			// 
+			// backupSaveramToolStripMenuItem
+			// 
+			this.backupSaveramToolStripMenuItem.Name = "backupSaveramToolStripMenuItem";
+			this.backupSaveramToolStripMenuItem.Size = new System.Drawing.Size(236, 22);
+			this.backupSaveramToolStripMenuItem.Text = "Backup Saveram";
+			this.backupSaveramToolStripMenuItem.Click += new System.EventHandler(this.backupSaveramToolStripMenuItem_Click);
+			// 
 			// MainForm
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 14F);
@@ -2778,6 +2787,7 @@
 		private System.Windows.Forms.ToolStripMenuItem captureOSDToolStripMenuItem1;
 		private System.Windows.Forms.ToolStripMenuItem loadGBInSGBToolStripMenuItem1;
 		private System.Windows.Forms.ToolStripMenuItem loadGBInSGBToolStripMenuItem;
+		private System.Windows.Forms.ToolStripMenuItem backupSaveramToolStripMenuItem;
     }
 }
 

BizHawk.MultiClient/MainForm.MenuItems.cs

@@ -1298,6 +1298,7 @@ namespace BizHawk.MultiClient
 			autoSavestatesToolStripMenuItem.Checked = Global.Config.AutoSavestates;
 			saveScreenshotWithSavestatesToolStripMenuItem.Checked = Global.Config.SaveScreenshotWithStates;
 			frameAdvanceSkipLagFramesToolStripMenuItem.Checked = Global.Config.SkipLagFrame;
+			backupSaveramToolStripMenuItem.Checked = Global.Config.BackupSaveram;
 		}
 
 		private void frameAdvanceSkipLagFramesToolStripMenuItem_Click(object sender, EventArgs e)

BizHawk.MultiClient/MainForm.cs

@@ -1677,6 +1677,17 @@ namespace BizHawk.MultiClient
 			if (f.Directory.Exists == false)
 				f.Directory.Create();
 
+			//Make backup first
+			if (Global.Config.BackupSaveram && f.Exists == true)
+			{
+				string backup = path + ".bak";
+				var backupFile = new FileInfo(backup);
+				if (backupFile.Exists == true)
+					backupFile.Delete();
+				f.CopyTo(backup);
+			}
+
+
 			var writer = new BinaryWriter(new FileStream(path, FileMode.Create, FileAccess.Write));
 
 			var saveram = Global.Emulator.ReadSaveRam();
@@ -3679,5 +3690,19 @@ namespace BizHawk.MultiClient
 		{
 			Global.RenderPanel.Resized = true;
 		}
+
+		private void backupSaveramToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			Global.Config.BackupSaveram ^= true;
+			if (Global.Config.BackupSaveram)
+			{
+				Global.OSD.AddMessage("Backup saveram enabled");
+			}
+			else
+			{
+				Global.OSD.AddMessage("Backup saveram disabled");
+			}
+
+		}
 	}
 }