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React Native Cocos2dx (remobile)

A react-native wrapper cocos2dx html5

Installation

npm install @remobile/react-native-cocos2dx --save

Usage

Example

'use strict';

var React = require('react');
var ReactNative = require('react-native');
var {
    StyleSheet,
    View,
} = ReactNative;

var resolveAssetSource = require('resolveAssetSource');
var Cocos2dx = require('@remobile/react-native-cocos2dx');

module.exports = React.createClass({
    renderCocos2dx() {
        return (res, transProps)=> {
            cc.game.onStart = function(){
                var MyScene = cc.Scene.extend({
                    alert(transProps.text);
                    onEnter:function () {
                        this._super();
                        var size = cc.director.getWinSize();

                        var sprite = cc.Sprite.create(res.img.qq);
                        sprite.setPosition(size.width / 2, size.height / 2 - 200);
                        sprite.setScale(0.8);
                        this.addChild(sprite, 0);

                        var sprite = cc.Sprite.create(res.img.weixin);
                        sprite.setPosition(size.width / 2, size.height / 2);
                        sprite.setScale(0.8);
                        this.addChild(sprite, 0);

                        var label = cc.LabelTTF.create("Hello World", "Arial", 40);
                        label.setPosition(size.width / 2, size.height / 2 + 200);
                        label.setColor(255, 0,255);
                        this.addChild(label, 1);
                    }
                });
                cc.director.runScene(new MyScene());
            };
            cc.game.run();
        }
    },
    render () {
        const resource = {
            img: {
                qq: resolveAssetSource(require('./img/qq.img')).uri,
                weixin: resolveAssetSource(require('./img/weixin.img')).uri,
            }
        };
        return (
            <View style={styles.container}>
                <Cocos2dx
                    render={this.renderCocos2dx()}
                    resource={resource}
                    transProps={{text: 'I am from react-native'}}
                    width={sr.tw}
                    height={sr.tch}
                    />
            </View>
        );
    },
});

var styles = StyleSheet.create({
    container: {
        flex: 1
    },
});

Screencasts

demo demo

Props

  • width: PropTypes.number canvas width
  • height: PropTypes.number canvas height
  • showFPS: PropTypes.boolean default: false
  • frameRate: PropTypes.number default: 60
  • renderMode: PropTypes.number {0: default, 1: canvas, 2: webgl} default is 1: canvas
  • resource: PropTypes.object must be resolveAssetSource(require('xx.png')).uri
  • transProps: PropTypes.any pass props from react-native to cocos2dx
  • render: PropTypes.function the main logic funciton of cocos2dx
    • it return a nickname funciton like: (res, transProps)=> {...}
    • res android params in cocos2dx code is global variables
  • onCocos2dxMessage: PropTypes.function params is data passed from cocos2dx code
    • in cocos2dx code, we add a method cc.sendMessage(data) for cc

Develop with project

mkdir for cocos2dx code and resource

cocos2dx code directory must be remobile-cocos2dx-render

cocos2dx resource directory must be remobile-cocos2dx-resource

add command
  • add package.json script like:
    "scripts": {
        "genres": "genccresource modules/remobile/react-native-cocos2dx/remobile-cocos2dx-resource modules/remobile/react-native-cocos2dx/remobile_cocos2dx_resource.js",
        "genrender": "genccrender modules/remobile/react-native-cocos2dx/remobile-cocos2dx-render modules/remobile/react-native-cocos2dx/remobile_cocos2dx_render.js",
        "genrender:dev": "npm run genrender dev"
    }
  • genccresource sourceDir targetFile
  • genccrender sourceDir targetFile
  • run npm run genres, will create a tmp file modules/remobile/react-native-cocos2dx/remobile_cocos2dx_resource.js, you will keep it ignore for git.
  • run npm run genrender, will create a tmp file modules/remobile/react-native-cocos2dx/remobile_cocos2dx_render.js, you will keep it ignore for git.
  • we will require remobile_cocos2dx_resource.js and remobile_cocos2dx_render.js for render and resource

Fix ReactNative Packer

  • In android release version, we need packer cocos2dx resource files in res/raw folder
  • modify node_modules/react-native/local-cli/bundle/assetPathUtils.js:30
...
30:  const androidFolder = 'drawable-' + suffix; // <------ replace here
31:  return androidFolder;
...
35   var folderPath = getBasePath(asset);
36   return (folderPath + '/' + asset.name) // <------ replace here
37     .toLowerCase()  

replace with

...
30:  const isImage = ['png', 'jpg', 'jpeg', 'bmp', 'gif', 'webp', 'psd', 'svg', 'tiff'].indexOf(asset.type) !== -1; // <------ add
31:  const isCocos2dxResource =  asset.httpServerLocation.split('/').indexOf('remobile-cocos2dx-resource') !== -1; // <------ add
32:  const androidFolder = isImage && !isCocos2dxResource ? 'drawable-' + suffix : 'raw'; // <------ add
33:  return androidFolder;
...
37   var folderPath = getBasePath(asset);
38   return (folderPath + '/' + asset.name + '_' + asset.type) // <------ add
39     .toLowerCase()  

react-native-fs notice

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A react-native wrapper cocos2d-html5

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