模块文件名更清晰

Zframework/background.lua

@@ -0,0 +1,44 @@
+local BGlist={
+	none={
+		draw=function()
+			love.graphics.clear(.15,.15,.15)
+		end
+	}
+}
+local BG={
+	cur="none",
+	init=nil,
+	resize=nil,
+	update=NULL,
+	draw=BGlist.none.draw,
+	event=nil,
+	discard=NULL,
+}
+
+function BG.add(name,bg)
+	BGlist[name]=bg
+end
+function BG.send(...)
+	if BG.event then
+		BG.event(...)
+	end
+end
+function BG.set(background)
+	if background==BG.cur or not SETTING.bg then return end
+	BG.discard()
+	BG.cur=background
+	background=BGlist[background]
+	if not background then
+		LOG.print("No BG called"..background,"warn")
+		return
+	end
+
+	BG.init=	background.init or NULL
+	BG.resize=	background.resize or NULL
+	BG.update=	background.update or NULL
+	BG.draw=	background.draw or NULL
+	BG.event=	background.event or NULL
+	BG.discard=	background.discard or NULL
+	BG.init()
+end
+return BG