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Fixing #1454: extension should cast and clamp input values.
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1 changed files with 14 additions and 7 deletions
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@ -1,9 +1,11 @@
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const ArgumentType = require('../../extension-support/argument-type');
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const ArgumentType = require('../../extension-support/argument-type');
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const BlockType = require('../../extension-support/block-type');
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const BlockType = require('../../extension-support/block-type');
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const Cast = require('../../util/cast');
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const color = require('../../util/color');
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const color = require('../../util/color');
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const log = require('../../util/log');
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const log = require('../../util/log');
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const BLESession = require('../../io/bleSession');
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const BLESession = require('../../io/bleSession');
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const Base64Util = require('../../util/base64-util');
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const Base64Util = require('../../util/base64-util');
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const MathUtil = require('../../util/math-util');
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/**
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/**
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* Icon svg to be displayed at the left edge of each extension block, encoded as a data URI.
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* Icon svg to be displayed at the left edge of each extension block, encoded as a data URI.
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@ -868,7 +870,8 @@ class Scratch3WeDo2Blocks {
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* @return {Promise} - a promise which will resolve at the end of the duration.
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* @return {Promise} - a promise which will resolve at the end of the duration.
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*/
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*/
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motorOnFor (args) {
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motorOnFor (args) {
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const durationMS = args.DURATION * 1000;
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let durationMS = Cast.toNumber(args.DURATION) * 1000;
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durationMS = MathUtil.clamp(durationMS, 0, 15000);
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return new Promise(resolve => {
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return new Promise(resolve => {
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this._forEachMotor(args.MOTOR_ID, motorIndex => {
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this._forEachMotor(args.MOTOR_ID, motorIndex => {
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const motor = this._device.motor(motorIndex);
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const motor = this._device.motor(motorIndex);
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@ -920,7 +923,7 @@ class Scratch3WeDo2Blocks {
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this._forEachMotor(args.MOTOR_ID, motorIndex => {
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this._forEachMotor(args.MOTOR_ID, motorIndex => {
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const motor = this._device.motor(motorIndex);
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const motor = this._device.motor(motorIndex);
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if (motor) {
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if (motor) {
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motor.power = args.POWER;
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motor.power = MathUtil.clamp(Cast.toNumber(args.POWER), 0, 100);
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motor.setMotorOn();
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motor.setMotorOn();
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}
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}
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});
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});
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@ -962,7 +965,8 @@ class Scratch3WeDo2Blocks {
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*/
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*/
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setLightHue (args) {
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setLightHue (args) {
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// Convert from [0,100] to [0,360]
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// Convert from [0,100] to [0,360]
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const hue = args.HUE * 360 / 100;
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const inputHue = Cast.toNumber(args.HUE);
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const hue = MathUtil.clamp(inputHue, 0, 100) * 360 / 100;
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const rgbObject = color.hsvToRgb({h: hue, s: 1, v: 1});
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const rgbObject = color.hsvToRgb({h: hue, s: 1, v: 1});
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@ -979,9 +983,12 @@ class Scratch3WeDo2Blocks {
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* @return {Promise} - a promise which will resolve at the end of the duration.
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* @return {Promise} - a promise which will resolve at the end of the duration.
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*/
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*/
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playNoteFor (args) {
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playNoteFor (args) {
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let durationMS = Cast.toNumber(args.DURATION) * 1000;
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durationMS = MathUtil.clamp(durationMS, 0, 3000);
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const note = MathUtil.clamp(Cast.toNumber(args.NOTE), 25, 125); // valid WeDo2 sounds
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if (durationMS === 0) return; // WeDo2 plays duration '0' forever
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return new Promise(resolve => {
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return new Promise(resolve => {
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const durationMS = args.DURATION * 1000;
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const tone = this._noteToTone(note);
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const tone = this._noteToTone(args.NOTE);
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this._device.playTone(tone, durationMS);
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this._device.playTone(tone, durationMS);
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// Ensure this block runs for a fixed amount of time even when no device is connected.
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// Ensure this block runs for a fixed amount of time even when no device is connected.
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@ -1000,10 +1007,10 @@ class Scratch3WeDo2Blocks {
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switch (args.OP) {
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switch (args.OP) {
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case '<':
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case '<':
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case '<':
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case '<':
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return this._device.distance < args.REFERENCE;
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return this._device.distance < Cast.toNumber(args.REFERENCE);
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case '>':
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case '>':
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case '>':
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case '>':
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return this._device.distance > args.REFERENCE;
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return this._device.distance > Cast.toNumber(args.REFERENCE);
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default:
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default:
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log.warn(`Unknown comparison operator in whenDistance: ${args.OP}`);
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log.warn(`Unknown comparison operator in whenDistance: ${args.OP}`);
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return false;
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return false;
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