About write code out of game.modules tab and build apk.

[khleug35]

Hello everyone ,  I would like to create save game function for my new game.

so I using localStorage method, 

the following is my code, I write the script out of game.modules tab.

if(localStorage.getItem("SAVEGAME") === undefined || localStorage.getItem("SAVEGAME") === null){
var savedata =0;
localStorage.setItem("SAVEGAME", savedata);
}else{
localStorage.getItem("SAVEGAME")
}

game.module(
    'game.main'
)
.require(
    'game.player'
)
.body(function() {
game.createScene('Main', {
    init: function() {        
        var text = new game.SystemText('Hello Panda');
        text.size = 36;
        text.addTo(this.stage);
    }
});

});

The game is not an error.

but I Export project to build apk.

the editor display this message.

 

how to solve this problem?  thank you very much. thx

 

 

[enpu]

Hi!

Can you send your log file, so i can take a look and see why the build is failing?

Location of Panda 2 log files:

macOS: ~/Library/Logs/Panda 2/log.log
Windows: %USERPROFILE%\AppData\Roaming\Panda 2\log.log

[khleug35]

@enpu  Thanks 

The following is my Panda 2 log files error code

[2019-02-16 17:59:23.389] [error] panda-toolkit error: /Users/admin/Desktop/Game/Burning/src/game/main.js:2
if(localStorage.getItem("Upgrade") === undefined || localStorage.getItem("Upgrade") === null){
   ^

ReferenceError: localStorage is not defined
    at Object.<anonymous> (/Users/admin/Desktop/Game/Burning/src/game/main.js:2:4)
    at Object.<anonymous> (/Users/admin/Desktop/Game/Burning/src/game/main.js:2757:3)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at requireScriptTags (/Applications/Panda 2.app/Contents/Resources/app.asar/node_modules/panda-toolkit/build.js:82:13)

[2019-02-16 17:59:23.404] [error] panda-toolkit exit: 1

the log display that localStorage is not defined.

I think that the localStorage can't put out of game .modules tab.

but the game can play on the web, only not work in mobile

Any good idea to create the save game function in the game and work on mobile?? Thank you very much

[khleug35]

Oh  dxmn !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!  

I missed Storage  Example  from https://www.panda2.io/examples#storage-get

In Panda2,  in order to make save, I don't  need to use localStorage

it just use game.storage , my problem can solved.

here is some example for saving game data 

game.config = {
    storage: {
        id: 'myGame'
    }
};
game.module(
    'game.main'
)
.body(function() {

game.createScene('Main', {
    init: function() {
   if(game.storage.get('score') === undefined || game.storage.get('score') === null ){       
    this.number = 1; 
    game.storage.set('score', this.number);
    }else{ 
     this.number = game.storage.get('score');		
     }
     
    this.shownumber = new game.SystemText(this.number);
    this.shownumber.size = 36;
    this.shownumber.font = 'serif';
    this.shownumber.color = '#ff0000';
    this.shownumber.align = 'center';
    this.shownumber.x = game.width / 2;
    this.shownumber.addTo(this.stage);
     
    }
    ,
    mousedown: function() {
       this.number++;
       game.storage.set('score', this.number);
    },
    update: function() {
       this.shownumber.text = this.number;
        
    },
});
});

 @enpu    Thanks  

 

[Wolfsbane]

hmm. That's interesting. I would have thought the Panda game.storage would just use local storage.

[enpu]

@Wolfsbane

Storage class uses local storage.

The reason why the build failed was that the code was placed outside of the module.

// CODE OUTSIDE OF THE MODULE

game.module(
    'game.main'
)
.body(function() {

// CODE INSIDE THE MODULE

});

The build process needs to go through the module file, so it can know which modules to include in the build (if module requires other modules). It uses Node and there is no local storage available, so that's why it throws "localStorage is not defined" error.

Build process doesn't run the module's body function, so that's why you should put all the code there.