task模块再升级，修复bgm模块没跟上task模块更新的bug

Zframework/bgm.lua

@@ -1,9 +1,8 @@
 local min=math.min
 
-local function fadeOut(id)
+local function fadeOut(src)
 	while true do
 		coroutine.yield()
-		local src=BGM.list[id]
 		local v=src:getVolume()-.025*SETTING.bgm
 		src:setVolume(v>0 and v or 0)
 		if v<=0 then
@@ -12,10 +11,9 @@ local function fadeOut(id)
 		end
 	end
 end
-local function fadeIn(id)
+local function fadeIn(src)
 	while true do
 		coroutine.yield()
-		local src=BGM.list[id]
 		local v=SETTING.bgm
 		v=min(v,src:getVolume()+.025*v)
 		src:setVolume(v)
@@ -24,10 +22,12 @@ local function fadeIn(id)
 		end
 	end
 end
+local function removeCurFadeOut(task,code,src)
+	return task.code==code and task.args[1]==src
+end
 
 local BGM={
 	--nowPlay=[str:playing ID]
-	--suspend=[str:pausing ID]
 	--playing=[src:playing SRC]
 }
 function BGM.set(L)
@@ -52,19 +52,17 @@ function BGM.loadAll()
 end
 function BGM.play(s)
 	if SETTING.bgm==0 then
+		BGM.nowPlay=s
 		BGM.playing=BGM.list[s]
-		BGM.suspend,BGM.nowPlay=s
-		return
-	elseif not(s and BGM.list[s])then
 		return
 	end
-	if BGM.nowPlay~=s then
-		if BGM.nowPlay then TASK.new(fadeOut,BGM.nowPlay)end
-		TASK.changeCode(fadeIn,fadeOut)
-		TASK.removeTask_data(s)
+	if s and BGM.list[s]and BGM.nowPlay~=s then
+		if BGM.nowPlay then TASK.new(fadeOut,BGM.playing)end
+		TASK.removeTask_iterate(removeCurFadeOut,fadeOut,BGM.list[s])
+		TASK.removeTask_code(fadeIn)
 
-		BGM.nowPlay,BGM.suspend=s
-		TASK.new(fadeIn,s)
+		TASK.new(fadeIn,BGM.list[s])
+		BGM.nowPlay=s
 		BGM.playing=BGM.list[s]
 		BGM.playing:play()
 	end
@@ -74,23 +72,15 @@ function BGM.freshVolume()
 		local v=SETTING.bgm
 		if v>0 then
 			BGM.playing:setVolume(v)
-			if BGM.suspend then
-				BGM.playing:play()
-				BGM.nowPlay,BGM.suspend=BGM.suspend
-			end
-		else
-			if BGM.nowPlay then
-				BGM.playing:pause()
-				BGM.suspend,BGM.nowPlay=BGM.nowPlay
-			end
+			BGM.playing:play()
+		elseif BGM.nowPlay then
+			BGM.playing:pause()
 		end
 	end
 end
 function BGM.stop()
-	if BGM.nowPlay then
-		TASK.new(fadeOut,BGM.nowPlay)
-	end
-	TASK.changeCode(fadeIn,fadeOut)
-	BGM.playing,BGM.nowPlay=nil
+	TASK.removeTask_code(fadeIn)
+	if BGM.nowPlay then TASK.new(fadeOut,BGM.nowPlay)end
+	BGM.nowPlay,BGM.playing=nil
 end
 return BGM

Zframework/task.lua

@@ -28,6 +28,7 @@ function TASK.new(code,...)
 		tasks[#tasks+1]={
 			thread=thread,
 			code=code,
+			args={...},
 		}
 	end
 end
@@ -38,17 +39,11 @@ function TASK.newNet(code,...)
 		tasks[#tasks+1]={
 			thread=thread,
 			code=code,
+			args={...},
 			net=true,
 		}
 	end
 end
-function TASK.changeCode(c1,c2)
-	for i=#tasks,1,-1 do
-		if tasks[i].thread==c1 then
-			tasks[i].thread=c2
-		end
-	end
-end
 function TASK.removeTask_code(code)
 	for i=#tasks,1,-1 do
 		if tasks[i].code==code then
@@ -56,9 +51,9 @@ function TASK.removeTask_code(code)
 		end
 	end
 end
-function TASK.removeTask_data(data)
+function TASK.removeTask_iterate(func,...)
 	for i=#tasks,1,-1 do
-		if tasks[i].data==data then
+		if func(tasks[i],...)then
 			rem(tasks,i)
 		end
 	end

parts/scenes/music.lua

@@ -35,10 +35,8 @@ function scene.keyDown(key)
 		end
 	elseif key=="return"or key=="space"then
 		if BGM.nowPlay~=BGM.list[S]then
-			if SETTING.bgm>0 then
-				SFX.play("click")
-				BGM.play(BGM.list[S])
-			end
+			BGM.play(BGM.list[S])
+			if SETTING.bgm>0 then SFX.play("click")end
 		else
 			BGM.stop()
 		end
@@ -79,7 +77,7 @@ scene.widgetList={
 	WIDGET.newText{name="now",		x=700,	y=500,font=50,align="R",hide=function()return not BGM.nowPlay end},
 	WIDGET.newSlider{name="bgm",	x=760,	y=80,w=400,			font=35,disp=WIDGET.lnk_SETval("bgm"),code=function(v)SETTING.bgm=v BGM.freshVolume()end},
 	WIDGET.newButton{name="up",		x=200,	y=250,w=120,		font=55,code=WIDGET.lnk_pressKey("up"),hide=function()return sceneTemp==1 end},
-	WIDGET.newButton{name="play",	x=200,	y=390,w=120,		font=35,code=WIDGET.lnk_pressKey("space"),hide=function()return SETTING.bgm==0 end},
+	WIDGET.newButton{name="play",	x=200,	y=390,w=120,		font=35,code=WIDGET.lnk_pressKey("space")},
 	WIDGET.newButton{name="down",	x=200,	y=530,w=120,		font=55,code=WIDGET.lnk_pressKey("down"),hide=function()return sceneTemp==BGM.len end},
 	WIDGET.newButton{name="back",	x=1140,	y=640,w=170,h=80,	font=40,code=WIDGET.lnk_BACK},
 }