直接放入Zframework文件

Zframework/scene.lua

@@ -0,0 +1,223 @@
+local scenes={}
+
+local SCN={
+    mainTouchID=nil,     -- First touching ID(userdata)
+    swapping=false,      -- If Swapping
+    state={
+        tar=false,       -- Swapping target
+        style=false,     -- Swapping style
+        changeTime=false,-- Loading point
+        time=false,      -- Full swap time
+        draw=false,      -- Swap draw  func
+    },
+    stack={},-- Scene stack
+    prev=false,
+    cur=false,
+    args={},-- Arguments from previous scene
+
+    scenes=scenes,
+
+    -- Events
+    update=false,
+    draw=false,
+    mouseClick=false,
+    touchClick=false,
+    mouseDown=false,
+    mouseMove=false,
+    mouseUp=false,
+    wheelMoved=false,
+    touchDown=false,
+    touchUp=false,
+    touchMove=false,
+    keyDown=false,
+    keyUp=false,
+    gamepadDown=false,
+    gamepadUp=false,
+    fileDropped=false,
+    directoryDropped=false,
+    resize=false,
+}-- Scene datas, returned
+
+function SCN.add(name,scene)
+    scenes[name]=scene
+    if scene.widgetList then
+        setmetatable(scene.widgetList,WIDGET.indexMeta)
+    end
+end
+
+function SCN.swapUpdate(dt)
+    local S=SCN.state
+    S.time=S.time-dt
+    if S.time<S.changeTime and S.time+dt>=S.changeTime then
+        -- Scene swapped this frame
+        SCN.stack[#SCN.stack]=S.tar
+        SCN.cur=S.tar
+        SCN.init(S.tar)
+        SCN.mainTouchID=nil
+    end
+    if S.time<0 then
+        SCN.swapping=false
+    end
+end
+function SCN.init(s)
+    love.keyboard.setTextInput(false)
+
+    local S=scenes[s]
+
+    WIDGET.setScrollHeight(S.widgetScrollHeight)
+    WIDGET.setWidgetList(S.widgetList)
+    SCN.enter=S.enter
+    SCN.leave=S.leave
+    SCN.mouseDown=S.mouseDown
+    SCN.mouseMove=S.mouseMove
+    SCN.mouseUp=S.mouseUp
+    SCN.mouseClick=S.mouseClick
+    SCN.wheelMoved=S.wheelMoved
+    SCN.touchDown=S.touchDown
+    SCN.touchUp=S.touchUp
+    SCN.touchMove=S.touchMove
+    SCN.touchClick=S.touchClick
+    SCN.keyDown=S.keyDown
+    SCN.keyUp=S.keyUp
+    SCN.gamepadDown=S.gamepadDown
+    SCN.gamepadUp=S.gamepadUp
+    SCN.fileDropped=S.fileDropped
+    SCN.directoryDropped=S.directoryDropped
+    SCN.resize=S.resize
+    SCN.update=S.update
+    SCN.draw=S.draw
+    if S.enter then
+        S.enter()
+    end
+end
+function SCN.push(tar)
+    table.insert(SCN.stack,tar or SCN.stack[#SCN.stack])
+end
+function SCN.pop()
+    table.remove(SCN.stack)
+end
+
+local swap={
+    none={
+        duration=0,changeTime=0,
+        draw=function() end
+    },
+    flash={
+        duration=.16,changeTime=.08,
+        draw=function() GC.clear(1,1,1) end
+    },
+    fade={
+        duration=.5,changeTime=.25,
+        draw=function(t)
+            t=t>.25 and 2-t*4 or t*4
+            GC.setColor(0,0,0,t)
+            GC.rectangle('fill',0,0,SCR.w,SCR.h)
+        end
+    },
+    fade_togame={
+        duration=2,changeTime=.5,
+        draw=function(t)
+            t=t>.5 and (2-t)/1.5 or t*.5
+            GC.setColor(0,0,0,t)
+            GC.rectangle('fill',0,0,SCR.w,SCR.h)
+        end
+    },
+    slowFade={
+        duration=3,changeTime=1.5,
+        draw=function(t)
+            t=t>1.5 and (3-t)/1.5 or t/1.5
+            GC.setColor(0,0,0,t)
+            GC.rectangle('fill',0,0,SCR.w,SCR.h)
+        end
+    },
+    swipeL={
+        duration=.5,changeTime=.25,
+        draw=function(t)
+        t=t*2
+            GC.setColor(.1,.1,.1,1-math.abs(t-.5))
+            t=t*t*(3-2*t)*2-1
+            GC.rectangle('fill',t*SCR.w,0,SCR.w,SCR.h)
+        end
+    },
+    swipeR={
+        duration=.5,changeTime=.25,
+        draw=function(t)
+            t=t*2
+            GC.setColor(.1,.1,.1,1-math.abs(t-.5))
+            t=t*t*(2*t-3)*2+1
+            GC.rectangle('fill',t*SCR.w,0,SCR.w,SCR.h)
+        end
+    },
+    swipeD={
+        duration=.5,changeTime=.25,
+        draw=function(t)
+            t=t*2
+            GC.setColor(.1,.1,.1,1-math.abs(t-.5))
+            t=t*t*(2*t-3)*2+1
+            GC.rectangle('fill',0,t*SCR.h,SCR.w,SCR.h)
+        end
+    },
+}-- Scene swapping animations
+function SCN.swapTo(tar,style,...)-- Parallel scene swapping, cannot back
+    if scenes[tar] then
+        if not SCN.swapping then
+            SCN.prev=SCN.stack[#SCN.stack]
+
+            style=style or 'fade'
+            SCN.swapping=true
+            SCN.args={...}
+            local S=SCN.state
+            S.tar,S.style=tar,style
+            S.time=swap[style].duration
+            S.changeTime=swap[style].changeTime
+            S.draw=swap[style].draw
+        end
+    else
+        MES.new('warn',"No Scene: "..tostring(tar))
+    end
+end
+function SCN.go(tar,style,...)-- Normal scene swapping, can back
+    if scenes[tar] then
+        if not SCN.swapping then
+            SCN.push(SCN.stack[#SCN.stack] or '_')
+            SCN.swapTo(tar,style,...)
+        end
+    else
+        MES.new('warn',"No Scene: "..tar)
+    end
+end
+function SCN.back(style,...)
+    if SCN.swapping then return end
+
+    -- Leave scene
+    if SCN.leave then
+        SCN.leave()
+    end
+
+    -- Poll&Back to previous Scene
+    if #SCN.stack>1 then
+        SCN.pop()
+        SCN.swapTo(SCN.stack[#SCN.stack],style,...)
+    else
+        SCN.swapTo('quit','slowFade')
+    end
+end
+function SCN.backTo(tar,style,...)
+    if SCN.swapping then return end
+
+    -- Leave scene
+    if SCN.leave then
+        SCN.leave()
+    end
+
+    -- Poll&Back to previous Scene
+    while SCN.stack[#SCN.stack]~=tar and #SCN.stack>1 do
+        SCN.pop()
+    end
+    SCN.swapTo(SCN.stack[#SCN.stack],style,...)
+end
+function SCN.printStack()
+    for i=0,#SCN.stack+1 do print(SCN.stack[i] or "-------") end
+end
+
+return SCN