大多数菜单的二次确认统一用tryXXX管理

parts/gameFuncs.lua

@@ -15,18 +15,42 @@ local playSFX=SFX.play
 
 
 --System
-do--function tryBackScene()
-    local sureQuitTime=-1e99
+do--function tryBack()
+    local sureTime=-1e99
     function tryBack()
-        if TIME()-sureQuitTime<1 then
-            sureQuitTime=-1e99
-            SCN.back()
+        if TIME()-sureTime<1 then
+            sureTime=-1e99
+            return true
         else
-            sureQuitTime=TIME()
+            sureTime=TIME()
             MES.new('warn',text.sureQuit)
         end
     end
 end
+do--function tryReset()
+    local sureTime=-1e99
+    function tryReset()
+        if TIME()-sureTime<1 then
+            sureTime=-1e99
+            return true
+        else
+            sureTime=TIME()
+            MES.new('warn',text.sureReset)
+        end
+    end
+end
+do--function tryDelete()
+    local sureTime=-1e99
+    function tryDelete()
+        if TIME()-sureTime<1 then
+            sureTime=-1e99
+            return true
+        else
+            sureTime=TIME()
+            MES.new('warn',text.sureDelete)
+        end
+    end
+end
 do--function loadFile(name,args), function saveFile(data,name,args)
     local t=setmetatable({},{__index=function()return"'$1' loading failed: $2"end})
     function loadFile(name,args)