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--[[资源管理器模块]]--local AssetManagerModule = {}--[[ newScene]]--function AssetManagerModule.newScene(backfunc) -- 获取屏幕大小 local winSize = cc.Director:getInstance():getWinSize() -- 创建新的场景 local newScene = cc.Scene:create() -- 创建新的层 local layer = cc.Layer:create() -- 后台更新 local function backToUpdate() local scene = backfunc() if scene ~= nil then cc.Director:getInstance():replaceScene(scene) end end -- 创建回退菜单 cc.MenuItemFont:setFontName("Arial") cc.MenuItemFont:setFontSize(24) local backMenuItem = cc.MenuItemFont:create("Back") -- 放置在右下角大致的位置 backMenuItem:setPosition(cc.p(VisibleRect:rightBottom().x - 50, VisibleRect:rightBottom().y + 25)) -- 注册监听方法 backMenuItem:registerScriptTapHandler(backToUpdate) -- 创建菜单 local backMenu = cc.Menu:create() backMenu:setPosition(0, 0) backMenu:addChild(backMenuItem) layer:addChild(backMenu,6) -- 创建标签 local helloLabel = cc.Label:createWithTTF("Hello World", s_arialPath, 38) helloLabel:setAnchorPoint(cc.p(0.5, 0.5))-- 锚点居中 helloLabel:setPosition(cc.p(winSize.width / 2, winSize.height - 40)) layer:addChild(helloLabel, 5) -- 创建精灵,这里是一张背景图 local sprite = cc.Sprite:create("Images/background.png") sprite:setAnchorPoint(cc.p(0.5, 0.5))-- 锚点居中 sprite:setPosition(cc.p(winSize.width / 2, winSize.height / 2)) layer:addChild(sprite, 0) newScene:addChild(layer)-- 添加到场景 cc.Director:getInstance():replaceScene(newScene)-- 替换场景end-- 返回模块return AssetManagerModule
-- 获取目标平台local targetPlatform = cc.Application:getInstance():getTargetPlatform()local lineSpace = 40 -- 行间距local itemTagBasic = 1000 local menuItemNames ={ "enter", "reset", "update",}-- 获取屏幕大小local winSize = cc.Director:getInstance():getWinSize()-- 更新层local function updateLayer() -- 首先创建一个层 local layer = cc.Layer:create() local support = false -- 判断是否支持iphone、ipad、win32、android或者mac if (cc.PLATFORM_OS_IPHONE == targetPlatform) or (cc.PLATFORM_OS_IPAD == targetPlatform) or (cc.PLATFORM_OS_WINDOWS == targetPlatform) or (cc.PLATFORM_OS_ANDROID == targetPlatform) or (cc.PLATFORM_OS_MAC == targetPlatform) then support = true end -- 如果不支持平台 if not support then print("Platform is not supported!") return layer end local isUpdateItemClicked = false -- 是否更新项被点击 local assetsManager = nil -- 资源管理器对象 local pathToSave = "" -- 保存路径 local menu = cc.Menu:create() -- 菜单 menu:setPosition(cc.p(0, 0)) -- 设置菜单位置 cc.MenuItemFont:setFontName("Arial")-- 设置菜单字体样式 cc.MenuItemFont:setFontSize(24) -- 设置字体大小 -- 用于更新的标签 local progressLable = cc.Label:createWithTTF("",s_arialPath,30) progressLable:setAnchorPoint(cc.p(0.5, 0.5)) progressLable:setPosition(cc.p(140,50)) layer:addChild(progressLable) -- 下载目录 pathToSave = createDownloadDir() -- 下载错误回调 local function onError(errorCode) -- 没有新版本 if errorCode == cc.ASSETSMANAGER_NO_NEW_VERSION then progressLable:setString("no new version") elseif errorCode == cc.ASSETSMANAGER_NETWORK then -- 网络错误 progressLable:setString("network error") end end -- 进度更新回调 local function onProgress( percent ) -- 显示下载进度 local progress = string.format("downloading %d%%",percent) progressLable:setString(progress) end -- 下载成功方法回调 local function onSuccess() progressLable:setString("downloading ok") end -- 获得资源管理器 local function getAssetsManager() if nil == assetsManager then -- 创建一个资源管理器,第一个参数是zip包下载地址,第二个参数是版本文件,第三个参数是保存路径 assetsManager = cc.AssetsManager:new("https://raw.github.com/samuele3hu/AssetsManagerTest/master/package.zip", "https://raw.github.com/samuele3hu/AssetsManagerTest/master/version", pathToSave) -- 保留所有权,该方法会增加Ref对象的引用计数 assetsManager:retain() -- 设置一系列委托 assetsManager:setDelegate(onError, cc.ASSETSMANAGER_PROTOCOL_ERROR ) assetsManager:setDelegate(onProgress, cc.ASSETSMANAGER_PROTOCOL_PROGRESS) assetsManager:setDelegate(onSuccess, cc.ASSETSMANAGER_PROTOCOL_SUCCESS ) assetsManager:setConnectionTimeout(3)-- 设置连接超时 end return assetsManager end -- 更新 local function update(sender) progressLable:setString("") -- 调用AssetsManager的update方法 getAssetsManager():update() end -- 重设 local function reset(sender) progressLable:setString("") -- 删除下载路径 deleteDownloadDir(pathToSave) -- 删除版本 getAssetsManager():deleteVersion() -- 创建下载路径 createDownloadDir() end -- 重新加载模块 local function reloadModule( moduleName ) package.loaded[moduleName] = nil return require(moduleName) end -- 进入 local function enter(sender) -- 如果更新按钮没有被点击 if not isUpdateItemClicked then local realPath = pathToSave .. "/package" addSearchPath(realPath,true) end -- 重新加载模块 assetsManagerModule = reloadModule("src/AssetsManagerTest/AssetsManagerModule") assetsManagerModule.newScene(AssetsManagerTestMain) end -- 回调方法 local callbackFuncs = { enter, reset, update, } -- 菜单回调方法 local function menuCallback(tag, menuItem) local scene = nil local nIdx = menuItem:getLocalZOrder() - itemTagBasic local ExtensionsTestScene = CreateExtensionsTestScene(nIdx) if nil ~= ExtensionsTestScene then cc.Director:getInstance():replaceScene(ExtensionsTestScene) end end -- 遍历添加三个菜单项 for i = 1, table.getn(menuItemNames) do local item = cc.MenuItemFont:create(menuItemNames[i]) item:registerScriptTapHandler(callbackFuncs[i])-- 注册点击回调地址 -- 设置三个菜单的位置 item:setPosition(winSize.width / 2, winSize.height - i * lineSpace) if not support then item:setEnabled(false) end menu:addChild(item, itemTagBasic + i) end local function onNodeEvent(msgName) if nil ~= assetsManager then -- 释放资源 assetsManager:release() assetsManager = nil end end -- 注册层的点击回调方法 layer:registerScriptHandler(onNodeEvent) layer:addChild(menu) return layerend--------------------------------------- AssetsManager Test-------------------------------------function AssetsManagerTestMain() local scene = cc.Scene:create() scene:addChild(updateLayer()) scene:addChild(CreateBackMenuItem()) return sceneend