COCOS2DX Lua hot update

follow first

-- Create AssetsManagerEx objects local assetsManagerEx = cc. AssetsManagerEx:create("src /version/project.manifest", storagePath)

To start looking, first build a AssetsManagerEx:create object, which needs to be passed in two Parameters

• project.manifest path< /li>
• download path

The project.manifest path I passed in here is src/version/project.manifest

< br style="">

manifest.png

What kind of file is this, open it and see

{ "packageUrl": "http:// localhost:8080/examples/servlets/update/assets/", "remoteManifestUrl": "http://localhost:8080/examples/servlets/update/version/project.manifest", "remoteVersionUrl": "http://localhost:8080/examples/servlets/update/version/ /version.manifest", "version": "1.0.0", "engineVersion": "3.x dev", "assets": {"res/blocks.png": {"md5": "...."} }, "searchPaths": []}

< p style="margin-top:0px; margin-bottom:25px; word-break:break-word; col or:rgb(47,47,47); font-size:16px; line-height:27.2px"> This is a json format file, explain the meaning of each key

< /table>

Take a look at what version.manifest wrote

{ "packageUrl": "http://localhost:8080/examples/servlets/update/assets/",  "remoteManifestUrl": "http://localhost:8080/examples/servlets/update/version/project.manifest"< /span>, "remoteVersionUrl": "http:/ /localhost:8080/examples/servlets/update/version//version.manifest", "version": "1.0.2", "engineVersion": "3.x dev",}

Fuck, this is not a simplification of project.manifest Version?
Damn, how do you know!
Since it is a simplified version, why bother to get two files instead of using the more detailed project.manifest?

This is for the purpose of updating traffic. We will put a project.manifest manifest file about the entire project resource in the project directory. When updating, AssetsManagerEx will get the remoteVersionUrl, and first set the version.manifest and compare version to determine whether to update. If you want to update, download it again. The detailed project.manifest file, the advantage of this is that when your project is relatively large, the corresponding project.manifest will also be larger. If you download project.manifest every time, it will cause unnecessary concessions NS.

After creating the AssetsManagerEx object, it is necessary to register a monitoring event for it, so that we can grasp the update status, such as progress, such as whether there is an error, etc. For the corresponding event, it has been written very clearly in the code, so I won’t talk about it here.

Then call assetsManagerEx:update() to start the update.

Finished.
Huh? Finished?
Ah, it’s over
Your sister

Okay, I know you are still a little bit dazed. What about this TM my server? What am I going to get here. . Don’t worry, look down

Documents that need to be prepared

• client
  For the client, it’s a copy The project.manifest file, which records the md5 of the first-level code of all resources, is convenient for comparison during the first update, and once it has been updated once , I won’t use this file in the future. Instead, use the project.manifest in the download directory. Otherwise, update it or update it in vain
• Server
  On the server, three things are neededproject.manifest , version.manifest, and update package.

Make a simple tomcat

The http protocol used for hot update, and writing an http backend, the easier way is to build a tomcat, friends who don’t know how to build it, it’s not difficult, if you have a bit of java, you can know how to read two articles Used

tomcat.png

This is the directory of my tomcat, I created a update folder, there are two sub-folders below

• version

version.png

• assets

assets.png

The article puts a resource pathres/blocks.png, his url is packageUrl and res/blocks.png for splicing, that is, http://localhost:8080/examples/servlets/update/assets/res/blocks.png.

It feels a little bit after putting it like this? The directory on the server is exactly the same as your project directory. In this case, as long as the download directory is added to the search path, the same relative path can be found in the download directory.

luagame4.png

luagame4.png

manifest.png

manifest.png

tomcat.png

tomcat.png

version.png

version.png

assets.png

assets.png

Cocos, Cocos2dx, DX, Heat, lua, Update

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