fmod模块不再一直提示缺失的音乐/音效，每种名称的只提示一次

assets/fmod20221/init.lua

@@ -16,7 +16,7 @@ M.banks={}
 -- M.C2=ffi.load(fmodstudioPath)
 
 do -- Load library
-    local suc,res
+    local suc
     suc,M.C=pcall(ffi.load,'fmod')
     if not suc then
         MSG.new('error',"Loading FMOD lib:"..M.C)
@@ -175,6 +175,8 @@ function M.music.getDesc(name)
     return musicLib[name]
 end
 
+local unhintedBGM={}
+
 ---@param name string
 ---@param args? {instant?:boolean, volume?:number, pitch?:number, tune?:number, fine?:number, pos?:number[], param?:table}
 ---@return FMOD.Studio.EventInstance?
@@ -183,7 +185,10 @@ function M.music.play(name,args)
     FMOD.music.stop()
     local desc=musicLib[name]
     if not desc then
-        MSG.new('warn',"No BGM named "..name)
+        if not unhintedBGM[name] then
+            unhintedBGM[name]=true
+            MSG.new('warn',"No BGM named "..name)
+        end
         return
     end
     local event,res=desc:createInstance()
@@ -308,6 +313,8 @@ function M.effect.getDesc(name)
     return effectLib[name]
 end
 
+local unhintedSFX={}
+
 ---priority: pitch>tune>fine
 ---
 ---pos:{x,y,z}
@@ -320,7 +327,10 @@ function M.effect.play(name,args)
     if not studio then return end
     local desc=effectLib[name]
     if not desc then
-        MSG.new('warn',"No SE named "..name)
+        if not unhintedSFX[name] then
+            unhintedSFX[name]=true
+            MSG.new('warn',"No SE named "..name)
+        end
         return
     end
     local event,res=desc:createInstance()