整理背景加载代码和程序初始化流程

Zframework/bg.lua

@@ -1,22 +1,33 @@
+local BGlist={}
 local BG={
-	list={},
 	cur="",
-	init=NULL,
-	resize=NULL,
+	init=nil,
+	resize=nil,
 	update=NULL,
 	draw=NULL,
-	event=NULL,
+	event=nil,
 	discard=NULL,
 }
-function BG.send(data)
+
+--Load Background files from SOURCE ONLY
+for _,v in next,love.filesystem.getDirectoryItems("parts/backgrounds")do
+	if love.filesystem.getRealDirectory("parts/backgrounds/"..v)~=SAVEDIR then
+		local name=v:sub(1,-5)
+		BGlist[name]=require("parts/backgrounds/"..name)
+	else
+		LOG.print("Dangerous file : %SAVE%/parts/backgrounds/"..v)
+	end
+end
+
+function BG.send(...)
 	if BG.event then
-		BG.event(data)
+		BG.event(...)
 	end
 end
 function BG.set(background)
 	if background==BG.cur or not SETTING.bg then return end
 	BG.discard()
-	background=BG.list[background]
+	background=BGlist[background]
 	if not background then
 		LOG.print("No BG called"..background,"warn")
 		return