Quick-cocos2d-x 中进度条与资源加载

忘是亡心i 2022-07-15 12:51 100阅读 0赞

为便于看客实际操作和理解，直接上例子

demo中要调用父类中的函数和表，固先列出父类中响应的函数和表

local resPathes = 
    {
    	s_pPathB1             = "Images/b1.png",
    	s_pPathB2             = "Images/b2.png",
    	s_pPathR1             = "Images/r1.png",
    	s_pPathR2             = "Images/r2.png",
    	s_pPathF1             = "Images/f1.png",
    	s_pPathF2             = "Images/f2.png",
    
    	s_arialPath            = "fonts/arial.ttf"
    }
    ArmatureTestLayer.resPathes = resPathes
    
    local ArmatureTestIndex =
    {
        TEST_ASYNCHRONOUS_LOADING     = 1,
        TEST_DIRECT_LOADING           = 2,
        TEST_COCOSTUDIO_WITH_SKELETON = 3,
        TEST_DRAGON_BONES_2_0 = 4,
        TEST_PERFORMANCE = 5,
        TEST_CHANGE_ZORDER = 6,
        TEST_ANIMATION_EVENT = 7,
        TEST_FRAME_EVENT     = 8,
        TEST_PARTICLE_DISPLAY = 9,
        TEST_USE_DIFFERENT_PICTURE = 10,
        TEST_ANCHORPOINT = 11,
        TEST_ARMATURE_NESTING = 12,
        TEST_ARMATURE_NESTING_2 = 13,
    }

function ArmatureTestLayer.title(idx)
        if ArmatureTestIndex.TEST_ASYNCHRONOUS_LOADING == idx then
            return "Test Asynchronous Loading"
        elseif ArmatureTestIndex.TEST_DIRECT_LOADING   == idx then
            return "Test Direct Loading"
        elseif ArmatureTestIndex.TEST_COCOSTUDIO_WITH_SKELETON == idx then
            return "Test Export From CocoStudio With Skeleton Effect"
        elseif ArmatureTestIndex.TEST_DRAGON_BONES_2_0 == idx then
            return "Test Export From DragonBones version 2.0"
        elseif ArmatureTestIndex.TEST_PERFORMANCE == idx then
            return "Test Performance"
        elseif ArmatureTestIndex.TEST_CHANGE_ZORDER == idx then
            return "Test Change ZOrder Of Different Armature"
        elseif ArmatureTestIndex.TEST_ANIMATION_EVENT == idx then
            return "Test Armature Animation Event"
        elseif ArmatureTestIndex.TEST_FRAME_EVENT == idx then
            return "Test Frame Event"
        elseif ArmatureTestIndex.TEST_PARTICLE_DISPLAY == idx then
            return "Test Particle Display"
        elseif ArmatureTestIndex.TEST_USE_DIFFERENT_PICTURE == idx then
            return "Test One Armature Use Different Picture"
        elseif ArmatureTestIndex.TEST_ANCHORPOINT == idx then
            return "Test Set AnchorPoint"
        elseif ArmatureTestIndex.TEST_ARMATURE_NESTING == idx then
            return "Test Armature Nesting"
        elseif ArmatureTestIndex.TEST_ARMATURE_NESTING_2 == idx then
            return "Test Armature Nesting 2"
        end
    end
    
    function ArmatureTestLayer.subTitle(idx)
        if ArmatureTestIndex.TEST_ASYNCHRONOUS_LOADING == idx then
            return "current percent :"
        elseif ArmatureTestIndex.TEST_PERFORMANCE == idx then
            return "Current Armature Count : "
        elseif ArmatureTestIndex.TEST_PARTICLE_DISPLAY == idx then
            return "Touch to change animation"
        elseif ArmatureTestIndex.TEST_USE_DIFFERENT_PICTURE == idx then
            return "weapon and armature are in different picture"
        elseif ArmatureTestIndex.TEST_ARMATURE_NESTING_2 == idx then
            return "Move to a mount and press the ChangeMount Button."
        else
            return ""
        end
    end

目标类调用父类的函数已经列出，下面是目标代码

local ArmatureTestLayer = require("layers.ArmatureTestLayer")
    local TestAsynchronousLoading = class("TestAsynchronousLoading", ArmatureTestLayer)
    
    function TestAsynchronousLoading:ctor()
    	TestAsynchronousLoading.super.ctor(self)
    
    end
    
    function TestAsynchronousLoading:onEnter()
        --设置在父类中定义的三个按钮可以点击
        self.prevButton:setButtonEnabled(false)
        self.restartButton:setButtonEnabled(false)
        self.nextButton:setButtonEnabled(false)
    
        --设置标题   self.title(1)  获取父类标题表中对应的字符串 self.resPathes.s_arialPath 获取字体文件
        local title = cc.Label:createWithTTF(self.title(1), self.resPathes.s_arialPath, 18)
        title:setColor(cc.c3b(0,0,0))
        self:addChild(title, 1, 10000)
        title:setAnchorPoint(cc.p(0.5, 0.5))
        title:setPosition( display.cx, display.top - 30 )
    
        --设置显示进度的title
        local subInfo = self.subTitle(1)
        if "" ~= subInfo then
            subInfo  = subInfo .. 0.0
            local subTitle = cc.Label:createWithTTF(subInfo, self.resPathes.s_arialPath, 18)
            subTitle:setColor(cc.c3b(0,0,0))
            self:addChild(subTitle, 1, 10001)
            subTitle:setAnchorPoint(cc.p(0.5, 0.5))
            subTitle:setPosition( display.cx, display.top - 60 )
        end
    
        --创建进度条
        local timer = cc.ProgressTimer:create(cc.Sprite:create("loading.png"))
        timer:setPosition(display.cx, display.cy)
        timer:setBarChangeRate(cc.p(1,0))
        timer:setType(display.PROGRESS_TIMER_BAR)
        timer:setMidpoint(cc.p(0,0.5))--基准点
        timer:setPercentage(0)
        self:addChild(timer, 50, 10002)
    
    
    
        local function dataLoaded(percent)
            --获取进度条
            local timer1 = self:getChildByTag(10002)
            --获取进度显示title
            local label = self:getChildByTag(10001)
            if nil ~= label then
                --设置进度条进度
                timer1:setPercentage(percent*100)
                local subInfo = self.subTitle(1) .. (percent * 100)
                label:setString(subInfo)
            end
            --加载完成，界面上的按钮才可以点击
            if percent >= 1 and self.prevButton and self.restartButton and self.nextButton then
                self.prevButton:setButtonEnabled(true)
                self.restartButton:setButtonEnabled(true)
                self.nextButton:setButtonEnabled(true)
            end
        end
    
        local manager = ccs.ArmatureDataManager:getInstance()

--addArmatureFileInfoAsync适用异步加载骨骼动画资源 --addImageAsync适用异步加载图片资源 manager:addArmatureFileInfoAsync("armature/knight.png", "armature/knight.plist", "armature/knight.xml", dataLoaded) manager:addArmatureFileInfoAsync("armature/weapon.png",
     "armature/weapon.plist", "armature/weapon.xml", dataLoaded) manager:addArmatureFileInfoAsync("armature/robot.png", "armature/robot.plist", "armature/robot.xml", dataLoaded) manager:addArmatureFileInfoAsync("armature/cyborg.png", "armature/cyborg.plist", "armature/cyborg.xml",
     dataLoaded) manager:addArmatureFileInfoAsync("armature/Dragon.png", "armature/Dragon.plist", "armature/Dragon.xml", dataLoaded) manager:addArmatureFileInfoAsync("armature/Cowboy.ExportJson", dataLoaded) manager:addArmatureFileInfoAsync("armature/hero.ExportJson",
     dataLoaded) manager:addArmatureFileInfoAsync("armature/horse.ExportJson", dataLoaded) manager:addArmatureFileInfoAsync("armature/bear.ExportJson", dataLoaded) manager:addArmatureFileInfoAsync("armature/HeroAnimation.ExportJson", dataLoaded)endreturn TestAsynchronousLoading
     
    
    
    对比cocos2d-x中的资源加载，Quick中在每次加载完资源之后不需要手动更新百分比数 （ cocos2d-x中  float percent=100*res_count/15.0;//一共需要加载15次（因为有15个文件））
      Quick中把这些操作都封装完成。