越南语变音字母简化函数改为全unicode版本

限制自定义菜单背景选择范围
微调自定义背景设置ui
整理代码

parts/gameFuncs.lua

@@ -115,7 +115,7 @@ do-- function applySettings()
         light={.2,.8},
         color={-.2,1.2},
     }
-    function applySettings(arg)
+    function applySettings(reason)
         -- Apply language
         text=LANG.get(SETTING.locale)
         WIDGET.setLang(text.WidgetText)
@@ -157,34 +157,33 @@ do-- function applySettings()
         SHADER.fieldSatur:send('k',m[2])
 
         -- Apply BG
-        if not (arg and arg=='fullscreen') then
-            if SETTING.bg=='on' then
-                BG.unlock()
-                BG.setDefault(SETTING.defaultBG)
-                BG.set()
-                if SETTING.lockBG then BG.lock() end
-            elseif SETTING.bg=='off' then
+        if reason=='fullscreen' then return end
+        if SETTING.bg=='on' then
+            BG.unlock()
+            BG.setDefault(SETTING.defaultBG)
+            BG.set()
+            if SETTING.lockBG then BG.lock() end
+        elseif SETTING.bg=='off' then
+            BG.unlock()
+            BG.set('fixColor',SETTING.bgAlpha,SETTING.bgAlpha,SETTING.bgAlpha)
+            BG.lock()
+        elseif SETTING.bg=='custom' then
+            if love.filesystem.getInfo('conf/customBG') then
+                local res,image=pcall(GC.newImage,love.filesystem.newFile('conf/customBG'))
+                if res then
+                    BG.unlock()
+                    GC.setDefaultFilter('linear','linear')
+                    BG.set('custom',SETTING.bgAlpha,image)
+                    GC.setDefaultFilter('nearest','nearest')
+                    BG.lock()
+                else
+                    MES.new('error',text.customBGloadFailed)
+                end
+            else-- Switch off when custom BG not found
+                SETTING.bg='off'
                 BG.unlock()
                 BG.set('fixColor',SETTING.bgAlpha,SETTING.bgAlpha,SETTING.bgAlpha)
                 BG.lock()
-            elseif SETTING.bg=='custom' then
-                if love.filesystem.getInfo('conf/customBG') then
-                    local res,image=pcall(GC.newImage,love.filesystem.newFile('conf/customBG'))
-                    if res then
-                        BG.unlock()
-                        GC.setDefaultFilter('linear','linear')
-                        BG.set('custom',SETTING.bgAlpha,image)
-                        GC.setDefaultFilter('nearest','nearest')
-                        BG.lock()
-                    else
-                        MES.new('error',text.customBGloadFailed)
-                    end
-                else-- Switch off when custom BG not found
-                    SETTING.bg='off'
-                    BG.unlock()
-                    BG.set('fixColor',SETTING.bgAlpha,SETTING.bgAlpha,SETTING.bgAlpha)
-                    BG.lock()
-                end
             end
         end
     end
@@ -196,7 +195,7 @@ local function getSmallNum(num)
     local str=tostring(num)
     local out=""
     for i=1,#str do
-        out=out..smallDigits[tonumber(string.sub(str,i,i))]
+        out=out..smallDigits[tonumber(str:sub(i,i))]
     end
     return out
 end