89 lines
1.8 KiB
JavaScript
89 lines
1.8 KiB
JavaScript
'use strict';
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class VMController
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{
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constructor( driver ) {
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this.driver = driver;
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this.runningCode = ';';
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this.runningVmScript = false;
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this.previousTime = 0;
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this.delta = 0;
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this.sandbox = {};
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this.vm = null;
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}
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getRunningCode() {
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return this.runningCode;
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}
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compileScript( script ) {
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let { NodeVM, VMScript } = require( 'vm2' );
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this.resetSandbox();
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this.runningCode = script;
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this.vm = new NodeVM( {
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'console': 'inherit',
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'sandbox': this.sandbox
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} );
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this.runningVmScript = new VMScript( this.runningCode );
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}
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resetSandbox() {
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let matrixSize = this.driver.getSize();
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this.sandbox = {
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'WIDTH': matrixSize.width,
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'HEIGHT': matrixSize.height,
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'setBrightness': this.driver.setBrightness.bind( this.driver ),
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'getBrightness': this.driver.getBrightness.bind( this.driver ),
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'setPixel': this.driver.setPixel.bind( this.driver ),
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'getPixel': this.driver.getPixel.bind( this.driver ),
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'drawLine': this.driver.drawLine.bind( this.driver ),
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'drawRect': this.driver.drawRect.bind( this.driver ),
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'drawRectFilled': this.driver.drawRectFilled.bind( this.driver ),
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'drawCircle': this.driver.drawCircle.bind( this.driver ),
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'write': this.driver.write.bind( this.driver ),
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'delta': this.getDelta.bind( this )
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};
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}
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runScript( ) {
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let delta = 0;
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let tmd = this.getTimeData();
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if ( this.previousTime === 0 ) {
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this.previousTime = tmd;
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} else {
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delta = tmd - this.previousTime;
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this.previousTime = tmd;
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}
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this.delta = delta;
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this.vm.run( this.runningVmScript, 'pixdisp-sandbox.js' );
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}
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getTimeData() {
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let hrTime = process.hrtime();
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return hrTime[ 0 ] * 1000000 + hrTime[ 1 ] / 1000;
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}
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getDriver() {
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return this.driver;
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}
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getDelta() {
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return this.delta;
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}
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}
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exports.VMController = VMController; |