├── .editorconfig ├── .eslintrc ├── .github └── workflows │ └── release.yml ├── .gitignore ├── LICENSE ├── README.md ├── package-lock.json ├── package.json ├── rollup.config.js ├── src ├── components │ ├── BingMap.tsx │ ├── CanvasLayer.tsx │ ├── Geometry.tsx │ ├── Icon.tsx │ └── index.tsx ├── hooks │ ├── base.tsx │ ├── index.ts │ ├── persistence.tsx │ └── simVars.tsx ├── index.ts └── utils │ ├── GeoPath.ts │ ├── index.ts │ ├── render.ts │ └── utils.ts └── tsconfig.json /.editorconfig: -------------------------------------------------------------------------------- 1 | root = true 2 | 3 | [*] 4 | end_of_line = lf 5 | indent_style = space 6 | indent_size = 4 7 | -------------------------------------------------------------------------------- /.eslintrc: -------------------------------------------------------------------------------- 1 | { 2 | "env": { 3 | "browser": true, 4 | "es2021": true 5 | }, 6 | "extends": [ 7 | "@flybywiresim/eslint-config" 8 | ], 9 | "parser": "@typescript-eslint/parser", 10 | "parserOptions": { 11 | "ecmaVersion": 12, 12 | "sourceType": "module" 13 | }, 14 | "plugins": [ 15 | "@typescript-eslint" 16 | ], 17 | "rules": { 18 | "one-var": "off", 19 | "import/no-unresolved": "off", 20 | "no-useless-constructor": "off" 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /.github/workflows/release.yml: -------------------------------------------------------------------------------- 1 | name: Release NPM 2 | 3 | on: 4 | push: 5 | tags: 6 | - 'v*' 7 | 8 | jobs: 9 | build: 10 | runs-on: ubuntu-latest 11 | steps: 12 | - uses: actions/checkout@v2 13 | - uses: actions/setup-node@v1 14 | with: 15 | node-version: '14.x' 16 | registry-url: 'https://registry.npmjs.org' 17 | - run: npm install 18 | # Publish to npm 19 | - run: npm publish --access public 20 | env: 21 | NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }} 22 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .idea/ 2 | node_modules/ 3 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # `react-msfs` 2 | 3 | ## Hooks 4 | 5 | To be written. Most hooks are already documented in their JSDoc. 6 | 7 | ### Game hooks 8 | 9 | It is possible to hook into avionics lifecycle / interaction events. 10 | 11 | #### `useUpdate` 12 | Triggers a callback when an update is performed in the main loop of the instrument; 13 | 14 | #### `useInteractionEvent` 15 | Triggers a callback when an interaction event (`H`-event) is received by the instrument. 16 | 17 | ### SimVar hooks 18 | 19 | Hooks are provided to interface with MSFS SimVars and GameVars. 20 | 21 | The following features are supported to make interaction easier: 22 | 23 | - use of split SimVar + K-event structure for changing value; 24 | - use of SimVar and H-event to only refresh when a certain interaction event is fired. 25 | 26 | ### Misc. hooks 27 | 28 | #### `useImageLoader` 29 | The issue with `HTMLImageElement`s is that loading the actual image is an asynchronous task and would make drawing `Icon`s on a canvas layer very difficult. The `useImageLoader` allows you to preload these elements and pass them as parameters to the `Icon` component. Once the image is successfully loaded, the state is updated and the image can be drawn on the canvas. 30 | ```tsx 31 | const airplaneIcon = useImageLoader('/Pages/VCockpit/Instruments/a22x/assets/MAP/ND_AIRPLANE.svg'); 32 | const airportIcon = useImageLoader('/Pages/VCockpit/Instruments/a22x/assets/MAP/ND_AIRPORT.svg'); 33 | ``` 34 | 35 | ## Components 36 | 37 | ### `CanvasMap` 38 | The following is the most basic usage of the `CanvasMap` component. This will create a Bing map layer that is tied to the aircraft's position and heading. The map will be larger than it's parent container so that the entire container is filled in even when the map rotates. 39 | ```tsx 40 | const [latitude] = useSimVar('A:PLANE LATITUDE', 'Degrees'); 41 | const [longitude] = useSimVar('A:PLANE LONGITUDE', 'Degrees'); 42 | const [headingTrue] = useSimVar('A:PLANE HEADING DEGREES TRUE', 'Degrees'); 43 | 44 | return ( 45 | 52 | ) 53 | ``` 54 | | Name | Type | Default | Description | 55 | |------------------|--------------|---------|-------------------------------------------------------------------------| 56 | | bingConfigFolder | `string` | | Path to `mapConfig.json` file | 57 | | mapId | `string` | | Unique identifier | 58 | | centerLla | `LatLongAlt` | | Latitude and longitude of map's center | 59 | | showMap | `boolean` | `true` | Show Bing map layer | 60 | | range | `number` | `80` | Distance in nautical miles from map's center to top of parent container | 61 | | rotation | `number` | `0` | Map rotation in degrees | 62 | 63 | ### `Icon` 64 | The `Icon` component allows you to place images and text onto the map. An icon can either have text, icon, or both! The icon is locked to a coordinate position so as the map moves around, so does the icon. The component(s) must be included as a child of your `CanvasMap` component. 65 | ```tsx 66 | const [headingTrue] = useSimVar('A:PLANE HEADING DEGREES TRUE', 'Degrees'); 67 | const airportIcon = useImageLoader('/Pages/VCockpit/Instruments/.../assets/MAP/ND_AIRPORT.svg'); 68 | const airports = // some array of nearby airports 69 | 70 | return ( 71 | 72 | airports.map(airport => ( 73 | 84 | )) 85 | 86 | ) 87 | ``` 88 | | Name | Type | Default | Description | 89 | |--------------|--------------------|------------|--------------------------------------------------| 90 | | position | `LatLongAlt` | | Latitude and longitude of icon | 91 | | rotation | `number` | `0` | Icon rotation in degrees | 92 | | icon | `HTMLImageElement` | *Optional* | Preloaded (`useImageLoader`) image for icon | 93 | | iconWidth | `number` | *Optional* | Icon with in px | 94 | | iconHeight | `number` | *Optional* | Icon height in px | 95 | | text | `string` | *Optional* | Text to display next to icon | 96 | | textFill | `string` | *Optional* | Text fill color | 97 | | textPosition | `string` | *Optional* | Text position (`top`, `bottom`, `left`, `right`) | 98 | | fontFamily | `string` | *Optional* | Text font family | 99 | | fontSize | `number` | *Optional* | Text font size | 100 | 101 | ### `Geometry` 102 | The `Geometry` component allows you to draw lines and arcs on the map using the `GeoPath` and `GeoArc` classes, respectively. The paths are locked to coordinate positions so as the map moves around, so do the paths. The component(s) must be included as a child of your `CanvasMap` component. 103 | ```tsx 104 | const waypoints = flightPlanManager.getWaypoints(); 105 | 106 | const routePaths: GeoPath[] = []; 107 | for (let i = 0; i < waypoints.length - 1; i++) { 108 | routePaths.push( 109 | GeoPath.pathFromLatLongAlt( 110 | waypoints[i].infos.coordinates, 111 | waypoints[i + 1].infos.coordinates, 112 | ) 113 | ); 114 | } 115 | 116 | return ( 117 | 118 | 125 | 126 | ) 127 | ``` 128 | | Name | Type | Default | Description | 129 | |--------------|-------------|---------|------------------------------------| 130 | | geoPaths | `GeoPath[]` | | Array of `GeoPath` objects to draw | 131 | | strokeWidth | `number` | `1` | | 132 | | strokeColor | `string` | `white` | | 133 | | outlineWidth | `number` | `1` | Drawn below the stroke | 134 | | outlineColor | `string` | `white` | Drawn below the stroke | 135 | 136 | ## Classes 137 | 138 | ### `GeoPath` 139 | The `GeoPath` object stores two [geodesy](https://github.com/chrisveness/geodesy) `LatLon` objects to represent a geographical line. 140 | ```ts 141 | class GeoPath { 142 | start: LatLon; // line start point 143 | end: LatLon; // line end point 144 | } 145 | ``` 146 | There are two ways to create these objects: 147 | ```ts 148 | const path1 = GeoPath.pathFromLatLongAlt( 149 | start: LatLongAlt, 150 | end: LatLongAlt, 151 | ); 152 | const path2 = GeoPath.pathFromCoordinates( 153 | startLat: number, 154 | startLong: number, 155 | endLat: number, 156 | endLong: number, 157 | ); 158 | ``` 159 | 160 | ### `GeoArc` 161 | The `GeoArc` object stores three [geodesy](https://github.com/chrisveness/geodesy) `LatLon` objects and a radius to represent a geographical arc. 162 | ```ts 163 | class GeoArc extends GeoPath { 164 | // start and end inherited from GeoPath 165 | 166 | control: LatLon; // arc control point 167 | radius: number; // arc radius 168 | } 169 | ``` 170 | There are two ways to create these objects: 171 | ```ts 172 | const arc1 = GeoArc.arcFromLatLongAlt( 173 | start: LatLongAlt, 174 | control: LatLongAlt, 175 | end: LatLongAlt, 176 | radius: number, 177 | ); 178 | const arc2 = GeoArc.arcFromCoordinates( 179 | startLat: number, 180 | startLong: number, 181 | controlLat: number, 182 | controlLong: number, 183 | endLat: number, 184 | endLong: number, 185 | radius: number, 186 | ); 187 | ``` 188 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "react-msfs", 3 | "version": "0.2.0", 4 | "description": "React utilities and hooks for Microsoft Flight Simulator UIs and displays", 5 | "author": "FlyByWire Simulations, Synaptic Simulations", 6 | "main": "dist/index.js", 7 | "module": "dist/index.mjs", 8 | "files": [ 9 | "dist" 10 | ], 11 | "types": "dist/index.d.ts", 12 | "repository": { 13 | "type": "git", 14 | "url": "git+https://github.com/flybywiresim/react-msfs.git" 15 | }, 16 | "scripts": { 17 | "prepublishOnly": "npm run build", 18 | "build": "rollup -c rollup.config.js" 19 | }, 20 | "devDependencies": { 21 | "@flybywiresim/eslint-config": "^0.1.0", 22 | "@rollup/plugin-commonjs": "^19.0.1", 23 | "@rollup/plugin-json": "^4.1.0", 24 | "@rollup/plugin-node-resolve": "^13.0.4", 25 | "@rollup/plugin-typescript": "^8.2.3", 26 | "@types/geodesy": "^2.2.2", 27 | "@types/react": "^17.0.11", 28 | "@types/react-dom": "^17.0.8", 29 | "@typescript-eslint/eslint-plugin": "^4.27.0", 30 | "@typescript-eslint/parser": "^4.27.0", 31 | "eslint": "^7.29.0", 32 | "rollup": "^2.54.0", 33 | "typescript": "^4.3.0" 34 | }, 35 | "peerDependencies": { 36 | "react": "^17.x", 37 | "react-dom": "^17.x" 38 | }, 39 | "dependencies": { 40 | "geodesy": "^2.2.1" 41 | } 42 | } 43 | -------------------------------------------------------------------------------- /rollup.config.js: -------------------------------------------------------------------------------- 1 | import resolve from '@rollup/plugin-node-resolve'; 2 | import commonjs from '@rollup/plugin-commonjs'; 3 | import typescript from '@rollup/plugin-typescript'; 4 | import json from '@rollup/plugin-json'; 5 | 6 | import packageJson from './package.json'; 7 | 8 | export default { 9 | input: 'src/index.ts', 10 | output: [ 11 | { dir: 'dist/' }, 12 | { 13 | file: packageJson.main, 14 | format: 'cjs', 15 | sourcemap: true, 16 | }, 17 | { 18 | file: packageJson.module, 19 | format: 'esm', 20 | sourcemap: true, 21 | }, 22 | ], 23 | plugins: [ 24 | resolve(), 25 | json(), 26 | commonjs(), 27 | typescript(), 28 | ], 29 | }; 30 | -------------------------------------------------------------------------------- /src/components/BingMap.tsx: -------------------------------------------------------------------------------- 1 | /* eslint-disable camelcase, max-classes-per-file, lines-between-class-members */ 2 | import React, { useEffect, useRef } from 'react'; 3 | 4 | declare class BingMapConfig {} 5 | 6 | declare class NetBingMap extends HTMLElement { 7 | m_configs: BingMapConfig[]; 8 | m_configId: number; 9 | m_params: Record; 10 | addConfig(config: BingMapConfig): void; 11 | setConfig(id: number): void; 12 | setParams(params: Record); 13 | setBingId(id: string): void; 14 | setVisible(visible: boolean): void; 15 | } 16 | 17 | declare class SvgMapConfig { 18 | generateBingMap(bingMap: NetBingMap): void; 19 | load(path: string, callback): BingMapConfig; 20 | } 21 | 22 | declare class LatLongAlt { 23 | lat: number; 24 | long: number; 25 | constructor(lat: number, long: number); 26 | } 27 | 28 | type BingMapProps = { 29 | configFolder: string; 30 | mapId: string; 31 | centerLla: { lat: number; long: number }; 32 | range?: number; 33 | }; 34 | 35 | const RANGE_CONSTANT = 1852; 36 | const DEFAULT_RANGE = 80; 37 | 38 | export const BingMap: React.FC = ({ configFolder, mapId, range = DEFAULT_RANGE, centerLla }) => { 39 | const mapRef = useRef(); 40 | 41 | useEffect(() => { 42 | if (mapRef.current) { 43 | const svgMapConfig = new SvgMapConfig(); 44 | 45 | svgMapConfig.load(configFolder, () => { 46 | console.log(`[ReactBingMap (${mapId})] NetBingMap config loaded`); 47 | 48 | svgMapConfig.generateBingMap(mapRef.current); 49 | mapRef.current.setConfig(0); 50 | 51 | mapRef.current.setBingId(mapId); 52 | mapRef.current.setVisible(true); 53 | 54 | const lla = new LatLongAlt(centerLla.lat, centerLla.long); 55 | const radius = range * RANGE_CONSTANT; 56 | 57 | mapRef.current.setParams({ lla, radius }); 58 | 59 | console.log(`[ReactBingMap (${mapId})] NetBingMap initialized and configured with config id # ${mapRef.current.m_configId} out of ${mapRef.current.m_configs.length} configs`); 60 | }); 61 | } 62 | }, [mapRef]); 63 | 64 | useEffect(() => { 65 | if (mapRef.current) { 66 | const lla = new LatLongAlt(centerLla.lat, centerLla.long); 67 | const radius = range * RANGE_CONSTANT; 68 | 69 | mapRef.current.setParams({ lla, radius }); 70 | } 71 | }, [range, centerLla]); 72 | 73 | return ( 74 | <> 75 | {/* @ts-ignore */} 76 | 77 | 78 | ); 79 | }; 80 | -------------------------------------------------------------------------------- /src/components/CanvasLayer.tsx: -------------------------------------------------------------------------------- 1 | import React, { FC, useEffect, useRef, useState } from 'react'; 2 | 3 | export type CanvasLayerProps = { 4 | onUpdatedDrawingCanvasController: (controller: CanvasLayerController) => void; 5 | canvasSize: number; 6 | }; 7 | 8 | export const CanvasLayer: FC = ({ onUpdatedDrawingCanvasController, canvasSize }) => { 9 | const canvasRef = useRef(); 10 | 11 | const [context, setContext] = useState(); 12 | 13 | useEffect(() => { 14 | if (canvasRef) { 15 | setContext(canvasRef.current.getContext('2d')); 16 | } 17 | }, [canvasRef]); 18 | 19 | useEffect(() => { 20 | if (context && canvasRef.current) { 21 | onUpdatedDrawingCanvasController(new CanvasLayerController(canvasRef.current, context)); 22 | } else { 23 | onUpdatedDrawingCanvasController(null); 24 | } 25 | }, [context]); 26 | 27 | return ( 28 | 34 | ); 35 | }; 36 | 37 | export type CanvasLayerControllerUsage = (canvas: HTMLCanvasElement, context: CanvasRenderingContext2D) => void; 38 | 39 | export class CanvasLayerController { 40 | constructor(private canvas: HTMLCanvasElement, private context: CanvasRenderingContext2D) {} 41 | 42 | use(func: CanvasLayerControllerUsage) { 43 | func(this.canvas, this.context); 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /src/components/Geometry.tsx: -------------------------------------------------------------------------------- 1 | import React, { useEffect } from 'react'; 2 | import { GeoPath } from '../utils'; 3 | 4 | interface GeoPathProps { 5 | geoPaths: GeoPath[]; 6 | strokeWidth?: number; 7 | strokeColor?: string; 8 | outlineWidth?: number; 9 | outlineColor?: string; 10 | 11 | // Inherited from CanvasMap 12 | triggerRepaintGeometry?: () => void; 13 | } 14 | 15 | export const Geometry: React.FC = ({ 16 | geoPaths, 17 | strokeWidth, 18 | strokeColor, 19 | outlineWidth, 20 | outlineColor, 21 | triggerRepaintGeometry, 22 | }) => { 23 | useEffect(triggerRepaintGeometry, [ 24 | geoPaths, 25 | strokeWidth, 26 | strokeColor, 27 | outlineWidth, 28 | outlineColor, 29 | ]); 30 | 31 | return <>; 32 | }; 33 | -------------------------------------------------------------------------------- /src/components/Icon.tsx: -------------------------------------------------------------------------------- 1 | /* eslint-disable lines-between-class-members */ 2 | import React, { useEffect, useState } from 'react'; 3 | 4 | declare class LatLongAlt { 5 | lat: number; 6 | long: number; 7 | constructor(lat: number, long: number); 8 | } 9 | 10 | interface IconProps { 11 | position: LatLongAlt; 12 | icon?: HTMLImageElement; 13 | iconWidth?: number; 14 | iconHeight?: number; 15 | rotation?: number; 16 | text?: string; 17 | textFill?: string; 18 | textPosition?: string; 19 | fontFamily?: string; 20 | fontSize?: number; 21 | 22 | // Inherited from CanvasMap 23 | triggerRepaintIcons?: () => void; 24 | } 25 | 26 | export const Icon: React.FC = ({ 27 | position, 28 | icon, 29 | iconWidth, 30 | iconHeight, 31 | rotation = 0, 32 | text, 33 | textFill, 34 | textPosition, 35 | fontFamily, 36 | fontSize, 37 | triggerRepaintIcons, 38 | }) => { 39 | const [currentPosition, setCurrentPosition] = useState(position); 40 | 41 | useEffect(triggerRepaintIcons, [ 42 | icon, 43 | iconWidth, 44 | iconHeight, 45 | rotation, 46 | text, 47 | textFill, 48 | textPosition, 49 | fontFamily, 50 | fontSize, 51 | ]); 52 | 53 | useEffect(() => { 54 | if (position.lat !== currentPosition.lat || position.long !== currentPosition.long) { 55 | setCurrentPosition(position); 56 | triggerRepaintIcons(); 57 | } 58 | }, [position]); 59 | 60 | return <>; 61 | }; 62 | -------------------------------------------------------------------------------- /src/components/index.tsx: -------------------------------------------------------------------------------- 1 | import React, { useEffect, useRef, useState } from 'react'; 2 | import LatLon from 'geodesy/latlon-ellipsoidal-vincenty'; 3 | import { CanvasLayer, CanvasLayerController } from './CanvasLayer'; 4 | import { degToRad, GeoArc, latLonToPx } from '../utils'; 5 | import { Geometry } from './Geometry'; 6 | import { BingMap } from './BingMap'; 7 | import { Icon } from './Icon'; 8 | import { SimVarProvider } from '../hooks'; 9 | 10 | declare class LatLongAlt { 11 | lat: number; 12 | 13 | long: number; 14 | 15 | constructor(lat: number, long: number); 16 | } 17 | 18 | type CanvasMapProps = { 19 | bingConfigFolder: string; 20 | mapId: string; 21 | centerLla: LatLongAlt; 22 | showMap?: boolean; 23 | range?: number; 24 | heading?: number; 25 | rotation?: number; 26 | children?: React.ReactNode; 27 | }; 28 | 29 | const DEFAULT_RANGE = 80; 30 | 31 | export const CanvasMap: React.FC = ({ 32 | bingConfigFolder, 33 | mapId, 34 | centerLla, 35 | showMap = true, 36 | range = DEFAULT_RANGE, 37 | rotation = 0, 38 | children = null, 39 | }) => { 40 | const [mapLayerController, setMapLayerController] = useState(); 41 | const [iconLayerController, setIconLayerController] = useState(); 42 | const [updateIcons, setUpdateIcons] = useState(false); 43 | const [updateGeometry, setUpdateGeometry] = useState(false); 44 | const [mapCenter, setMapCenter] = useState(new LatLon(centerLla.lat, centerLla.long)); 45 | 46 | const mapContainerRef = useRef(null); 47 | 48 | let mapSize = 100; 49 | let mapRange = range; 50 | if (mapContainerRef.current) { 51 | mapSize = Math.hypot(mapContainerRef.current.clientWidth, mapContainerRef.current.clientHeight); 52 | mapRange = range / (mapContainerRef.current.clientHeight / mapSize); 53 | } 54 | 55 | const triggerRepaintIcons = () => setUpdateIcons(!updateIcons); 56 | 57 | const repaintIcons = () => { 58 | iconLayerController?.use((canvas, context) => { 59 | context.clearRect(0, 0, canvas.clientWidth, canvas.clientHeight); 60 | 61 | React.Children.forEach(children, (child: React.ReactElement) => { 62 | if (child && child.type === Icon) { 63 | const coords = new LatLon(child.props.position.lat, child.props.position.long); 64 | const [x, y] = latLonToPx(coords, mapCenter, range, mapSize); 65 | 66 | context.save(); 67 | context.translate(x, y); 68 | context.rotate(degToRad(child.props.rotation)); 69 | context.translate(-child.props.iconWidth / 2, -child.props.iconHeight / 2); 70 | 71 | if (child.props.icon && child.props.icon.complete) { 72 | context.drawImage(child.props.icon, 0, 0, child.props.iconWidth, child.props.iconHeight); 73 | } 74 | 75 | if (child.props.text) { 76 | let textX; 77 | let textY; 78 | switch (child.props.textPosition) { 79 | case 'top': 80 | context.textBaseline = 'bottom'; 81 | context.textAlign = 'center'; 82 | textX = child.props.iconHeight / 2; 83 | textY = 0; 84 | break; 85 | case 'left': 86 | context.textBaseline = 'middle'; 87 | context.textAlign = 'right'; 88 | textX = -child.props.iconWidth / 4; 89 | textY = child.props.iconHeight / 2; 90 | break; 91 | case 'bottom': 92 | context.textBaseline = 'top'; 93 | context.textAlign = 'center'; 94 | textX = child.props.iconHeight / 2; 95 | textY = child.props.iconWidth * 0.75; 96 | break; 97 | case 'right': 98 | default: 99 | context.textBaseline = 'middle'; 100 | context.textAlign = 'left'; 101 | textX = child.props.iconWidth * 1.25; 102 | textY = child.props.iconHeight / 2; 103 | } 104 | context.fillStyle = child.props.textFill; 105 | context.font = `${child.props.fontSize}px ${child.props.fontFamily}`; 106 | context.fillText(child.props.text, textX, textY); 107 | } 108 | context.restore(); 109 | } 110 | }); 111 | }); 112 | }; 113 | 114 | const triggerRepaintGeometry = () => setUpdateGeometry(!updateGeometry); 115 | 116 | const repaintGeometry = () => { 117 | mapLayerController?.use((canvas, context) => { 118 | context.clearRect(0, 0, canvas.clientWidth, canvas.clientHeight); 119 | 120 | React.Children.forEach(children, (child: React.ReactElement) => { 121 | if (child && child.type === Geometry) { 122 | if (child.props.geoPaths.length < 1) return; 123 | 124 | const newPath = new Path2D(); 125 | newPath.moveTo(...latLonToPx(child.props.geoPaths[0].start, mapCenter, range, mapSize)); 126 | 127 | for (const path of child.props.geoPaths) { 128 | const [endX, endY] = latLonToPx(path.end, mapCenter, range, mapSize); 129 | 130 | if (path instanceof GeoArc) { 131 | const [controlX, controlY] = latLonToPx(path.control, mapCenter, range, mapSize); 132 | newPath.arcTo(controlX, controlY, endX, endY, (path.radius * mapSize) / (3.02 * range)); 133 | } else { 134 | newPath.lineTo(endX, endY); 135 | } 136 | } 137 | 138 | context.beginPath(); 139 | context.lineWidth = child.props.outlineWidth ?? 1; 140 | context.strokeStyle = child.props.outlineColor ?? 'white'; 141 | context.stroke(newPath); 142 | 143 | context.beginPath(); 144 | context.lineWidth = child.props.strokeWidth ?? 1; 145 | context.strokeStyle = child.props.strokeColor ?? 'white'; 146 | context.stroke(newPath); 147 | } 148 | }); 149 | }); 150 | }; 151 | 152 | useEffect(repaintIcons, [updateIcons, centerLla, range, children, iconLayerController]); 153 | useEffect(repaintGeometry, [updateGeometry, centerLla, range, children, mapLayerController]); 154 | 155 | useEffect(() => { 156 | if (centerLla.lat !== mapCenter.lat || centerLla.long !== mapCenter.lon) { 157 | setMapCenter(new LatLon(centerLla.lat, centerLla.long)); 158 | } 159 | }, [centerLla]); 160 | 161 | return ( 162 |
163 |
174 | 175 | 176 | {showMap && } 177 |
189 | 190 | {React.Children.map(children, (child: any) => { 191 | if (!child) return child; 192 | if (child.type === Geometry) { 193 | return React.cloneElement(child, { triggerRepaintGeometry }); 194 | } 195 | if (child.type === Icon) { 196 | return React.cloneElement(child, { triggerRepaintIcons }); 197 | } 198 | return child; 199 | })} 200 | 201 |
202 |
203 |
204 | ); 205 | }; 206 | 207 | export * from './BingMap'; 208 | export * from './CanvasLayer'; 209 | export * from './Geometry'; 210 | export * from './Icon'; 211 | -------------------------------------------------------------------------------- /src/hooks/base.tsx: -------------------------------------------------------------------------------- 1 | import React, { useEffect, useState } from 'react'; 2 | import { getRootElement } from '../utils'; 3 | 4 | export const useUpdate = (handler: (deltaTime: number) => void) => { 5 | // Logic based on https://usehooks.com/useEventListener/ 6 | const savedHandler = React.useRef(handler); 7 | React.useEffect(() => { 8 | savedHandler.current = handler; 9 | }, [handler]); 10 | 11 | React.useEffect(() => { 12 | const wrappedHandler = (event: CustomEvent) => { 13 | savedHandler.current(event.detail); 14 | }; 15 | 16 | getRootElement().addEventListener('update', wrappedHandler); 17 | return () => { 18 | getRootElement().removeEventListener('update', wrappedHandler); 19 | }; 20 | }); 21 | }; 22 | 23 | export const useInteractionEvent = (event: string, handler: (any?) => void): void => { 24 | // Logic based on https://usehooks.com/useEventListener/ 25 | const savedHandler = React.useRef(handler); 26 | React.useEffect(() => { 27 | savedHandler.current = handler; 28 | }, [handler]); 29 | 30 | React.useEffect(() => { 31 | const wrappedHandler = (e) => { 32 | if (event === '*') { 33 | savedHandler.current(e.detail); 34 | } else { 35 | savedHandler.current(); 36 | } 37 | }; 38 | getRootElement().addEventListener(event, wrappedHandler); 39 | return () => { 40 | getRootElement().removeEventListener(event, wrappedHandler); 41 | }; 42 | }, [event]); 43 | }; 44 | 45 | export const useInteractionEvents = (events: string[], handler: (any?) => void): void => { 46 | // Logic based on https://usehooks.com/useEventListener/ 47 | const savedHandler = React.useRef(handler); 48 | React.useEffect(() => { 49 | savedHandler.current = handler; 50 | }, [handler]); 51 | 52 | React.useEffect(() => { 53 | const wrappedHandler = () => { 54 | savedHandler.current(); 55 | }; 56 | events.forEach((event) => getRootElement().addEventListener(event, wrappedHandler)); 57 | return () => { 58 | events.forEach((event) => getRootElement().removeEventListener(event, wrappedHandler)); 59 | }; 60 | }, [ 61 | ...events, 62 | ]); 63 | }; 64 | 65 | /** 66 | * Allows for pre-loading of images by triggering a state update when the image has been loaded. 67 | * @param imagePath 68 | */ 69 | export const useImageLoader = (imagePath: string) => { 70 | const [image, setImage] = useState(); 71 | 72 | const loadImage = (path) => { 73 | const image = new Image(); 74 | return new Promise((resolve, reject) => { 75 | image.onload = () => resolve(image); 76 | image.onerror = reject; 77 | image.src = path; 78 | }); 79 | }; 80 | 81 | useEffect(() => { 82 | loadImage(imagePath).then((img) => setImage(img)); 83 | }, []); 84 | 85 | return image; 86 | }; 87 | 88 | declare const Coherent: { on: Function }; 89 | 90 | export const useCoherentEvent = (event: string, handler: (any?) => void): void => { 91 | const savedHandler = React.useRef(handler); 92 | React.useEffect(() => { 93 | savedHandler.current = handler; 94 | }, [handler]); 95 | 96 | React.useEffect(() => { 97 | const coherentHandler = Coherent.on(event, savedHandler.current); 98 | return () => { 99 | coherentHandler.clear(); 100 | }; 101 | }, [event]); 102 | }; 103 | -------------------------------------------------------------------------------- /src/hooks/index.ts: -------------------------------------------------------------------------------- 1 | export * from './base'; 2 | export * from './persistence'; 3 | export * from './simVars'; 4 | -------------------------------------------------------------------------------- /src/hooks/persistence.tsx: -------------------------------------------------------------------------------- 1 | import { useEffect, useState } from 'react'; 2 | import { useSimVar } from './simVars'; 3 | 4 | declare function GetStoredData(property: string, defaultValue?: string); 5 | declare function SetStoredData(property: string, newValue: string); 6 | 7 | /** 8 | * Allows interacting with the persistent storage 9 | */ 10 | export class FsDataStore { 11 | /** 12 | * Reads a value from persistent storage 13 | * 14 | * @param key The property key 15 | * @param defaultVal The default value if the property is not set 16 | */ 17 | static get(key: string, defaultVal?: string) { 18 | const val = GetStoredData(`A32NX_${key}`); 19 | if (!val) { 20 | return defaultVal; 21 | } 22 | return val; 23 | } 24 | 25 | /** 26 | * Sets a value in persistent storage 27 | * 28 | * @param key The property key 29 | * @param val The value to assign to the property 30 | */ 31 | static set(key: string, val: string) { 32 | SetStoredData(`A32NX_${key}`, val); 33 | } 34 | } 35 | 36 | /** 37 | * This hook allows to read and set a persistent storage property. 38 | * 39 | * Note: The value of the persistent property does not automatically refresh for now 40 | */ 41 | export const usePersistentProperty = (propertyName: string): [string, (string) => void] => { 42 | const [propertyValue, rawPropertySetter] = useState(() => FsDataStore.get(propertyName)); 43 | 44 | const propertySetter = (value: string) => { 45 | FsDataStore.set(propertyName, value); 46 | rawPropertySetter(value); 47 | }; 48 | 49 | return [propertyValue, propertySetter]; 50 | }; 51 | 52 | export const usePersistentPropertyWithDefault = (propertyName: string, defaultValue: string): [string, (string) => void] => { 53 | const [propertyValue, rawPropertySetter] = useState(() => FsDataStore.get(propertyName, defaultValue)); 54 | 55 | const propertySetter = (value: string) => { 56 | FsDataStore.set(propertyName, value); 57 | rawPropertySetter(value); 58 | }; 59 | 60 | return [propertyValue, propertySetter]; 61 | }; 62 | 63 | type SimVarSyncedPersistentPropertyType = (simVarName: string, simVarUnit: string, propertyName: string) => [number, (value: number) => void]; 64 | 65 | /** 66 | * This hook allows to set the value of a persistent storage property from the value of a simvar, and sync in an unidirectional fashion 67 | * 68 | * Note: The value of the persistent property does not automatically refresh for now 69 | */ 70 | export const useSimVarSyncedPersistentProperty: SimVarSyncedPersistentPropertyType = (simVarName, simVarUnit, propertyName) => { 71 | const [, setPropertyValue] = usePersistentProperty(propertyName); 72 | const [simVarValue, setSimVarValue] = useSimVar(simVarName, simVarUnit, 1_000); 73 | 74 | useEffect(() => { 75 | if (simVarValue) { 76 | setPropertyValue((simVarValue as number).toString()); 77 | } 78 | }, [simVarValue]); 79 | 80 | const setter = (value: number) => { 81 | setSimVarValue(value); 82 | }; 83 | 84 | return [simVarValue, setter]; 85 | }; 86 | -------------------------------------------------------------------------------- /src/hooks/simVars.tsx: -------------------------------------------------------------------------------- 1 | import * as React from 'react'; 2 | import { useContext, useEffect, useRef, useState } from 'react'; 3 | import { useInteractionEvents, useUpdate } from './base'; 4 | 5 | /** 6 | * If the same SimVar or GlobalVar is requested in multiple places with 7 | * equivalent units, we normalize them to a common name to deduplicate the 8 | * entries in the cache. 9 | */ 10 | const normalizeUnitName = (unit: UnitName): UnitName => { 11 | switch (unit) { 12 | case 'bool': 13 | case 'Bool': 14 | case 'boolean': 15 | case 'Boolean': 16 | return 'bool'; 17 | case 'number': 18 | case 'Number': 19 | return 'number'; 20 | case 'Degrees': 21 | case 'degree': 22 | return 'degree'; 23 | case 'Percent': 24 | case 'percent': 25 | return 'percent'; 26 | case 'Feet': 27 | case 'feet': 28 | case 'feets': 29 | case 'Feets': 30 | return 'feet'; 31 | case 'Knots': 32 | case 'knots': 33 | return 'knots'; 34 | default: 35 | return unit; 36 | } 37 | }; 38 | 39 | type SimVarSetter = (oldValue: T) => T; 40 | 41 | type RetrieveSimVar = (name: string, unit: UnitName, force?: boolean, varType?: number) => SimVarValue; 42 | type UpdateSimVar = (name: string, unit: UnitName, newValueOrSetter: SimVarValue | SimVarSetter, proxy?: string) => void; 43 | type RegisterSimVar = (name: string, unit: UnitName, maxStaleness: number, varType: number) => void; 44 | type UnregisterSimVar = (name: string, unit: UnitName, maxStaleness: number, varType: number) => void; 45 | 46 | const errorCallback = () => { 47 | throw Error('useSimVar was called in a React tree with no SimVarProvider'); 48 | }; 49 | const context = React.createContext<{ 50 | retrieve: RetrieveSimVar, 51 | update: UpdateSimVar, 52 | register: RegisterSimVar, 53 | unregister: UnregisterSimVar, 54 | }>({ 55 | retrieve: errorCallback, 56 | update: errorCallback, 57 | register: errorCallback, 58 | unregister: errorCallback, 59 | }); 60 | const { Provider: InternalProvider } = context; 61 | 62 | type UnitName = string | any; // once typings is next to tsconfig.json, use those units 63 | type SimVarValue = number | any; 64 | type SimVarCache = Record; 68 | 69 | declare const SimVar; // this can also be replaced once /typings are available 70 | 71 | /** 72 | * This component provides the basic functionality for the useSimVar hooks. 73 | * By keeping the last known SimVar values inside this provider, we're 74 | * effectively caching each SimVar, so that there is no additional overhead when 75 | * using multiple useSimVar hooks for the same SimVar. 76 | * For improved performance, this component will only trigger renders when the 77 | * "update" custom event is emitted through an instrument. 78 | */ 79 | export const SimVarProvider: React.FC = ({ children }) => { 80 | const listeners = useRef>({}); 81 | const [cache, setCache] = useState({}); 82 | 83 | useUpdate((deltaTime: number) => { 84 | const stateUpdates: Record = {}; 88 | 89 | for (const [key, intervals] of Object.entries(listeners.current)) { 90 | // First, let's check if there are any listeners at all 91 | if (!intervals.length) { 92 | continue; 93 | } 94 | 95 | // The refresh time is given by the *smallest* maximum update 96 | // interval. 97 | const threshold = Math.min(...intervals); 98 | const lastUpdatedAgo = (cache[key] ? cache[key].lastUpdatedAgo || 0 : 0) + deltaTime; 99 | 100 | if (lastUpdatedAgo >= threshold) { 101 | // At this point, as we haven't updated this SimVar recently, we 102 | // need to fetch the latest value from the simulator and store 103 | // it. 104 | const [name, rawUnit] = key.split('/'); 105 | const unit = normalizeUnitName(rawUnit as UnitName); 106 | let value; 107 | if (name.startsWith('_GLOBAL_')) { 108 | value = SimVar.GetGlobalVarValue(name.substr(8), unit); 109 | } else if (name.startsWith('_GAME_')) { 110 | value = SimVar.GetGameVarValue(name.substr(6), unit); 111 | } else { 112 | value = SimVar.GetSimVarValue(name, unit); 113 | } 114 | stateUpdates[key] = { 115 | value, 116 | lastUpdatedAgo: lastUpdatedAgo % threshold, 117 | }; 118 | } else { 119 | // Otherwise, just increment lastUpdatedAgo. 120 | stateUpdates[key] = { lastUpdatedAgo }; 121 | } 122 | } 123 | 124 | setCache((oldCache) => { 125 | const newCache: SimVarCache = {}; 126 | for (const [key, update] of Object.entries(stateUpdates)) { 127 | newCache[key] = { ...oldCache[key], ...update }; 128 | } 129 | return { ...oldCache, ...newCache }; 130 | }); 131 | }); 132 | 133 | const getKey = (name: string, unit: UnitName, varType: number) => { 134 | switch (varType) { 135 | default: 136 | return `${name}/${normalizeUnitName(unit)}`; 137 | case 1: 138 | return `_GLOBAL_${name}/${normalizeUnitName(unit)}`; 139 | case 2: 140 | return `_GAME_${name}/${normalizeUnitName(unit)}`; 141 | } 142 | }; 143 | 144 | /** 145 | * This function will be called by the SimVar hooks through the context and 146 | * retrieves the appropriate SimVar value from the cache if it exists, and 147 | * retrieve it from the simulator otherwise. 148 | * @param name The SimVar to update. 149 | * @param unit The unit of the SimVar to update. 150 | * @param force Whether to always bypass the cache and always retrieve it 151 | * from the simulator. 152 | */ 153 | const retrieve: RetrieveSimVar = (name, unit, force, varType) => { 154 | const key = getKey(name, unit, varType || 0); 155 | if (cache[key] && !force) { 156 | return cache[key].value; 157 | } 158 | let value; 159 | switch (varType) { 160 | default: 161 | value = SimVar.GetSimVarValue(name, unit); 162 | break; 163 | case 1: 164 | value = SimVar.GetGlobalVarValue(name, unit); 165 | break; 166 | case 2: 167 | value = SimVar.GetGameVarValue(name, unit); 168 | break; 169 | } 170 | setCache((oldCache) => ({ 171 | ...oldCache, 172 | [key]: { 173 | value, 174 | lastUpdatedAgo: 0, 175 | }, 176 | })); 177 | return value; 178 | }; 179 | 180 | /** 181 | * This function will be called by the SimVar hooks through the context and 182 | * updates the appropriate SimVar for the specific unit with the supplied 183 | * value. 184 | * @param name The SimVar to update. 185 | * @param unit The unit of the SimVar to update. 186 | * @param value {*|(function(*): *)} Either the new value for the 187 | * SimVar, or an update function that takes the old value and returns an 188 | * updated value. 189 | * @param proxy If the SimVar used to set the SimVar is different from the 190 | * SimVar used to retrieve it, set this parameter to the SimVar for the set 191 | * operation. 192 | */ 193 | const update: UpdateSimVar = (name, unit, value, proxy) => { 194 | const key = getKey(name, unit, 0); 195 | setCache((oldCache) => { 196 | const newValue = typeof value === 'function' ? value(oldCache[key].value) : value; 197 | SimVar.SetSimVarValue((proxy || name), unit, newValue); 198 | return { 199 | ...oldCache, 200 | [key]: { 201 | value: newValue, 202 | lastUpdatedAgo: 0, 203 | }, 204 | }; 205 | }); 206 | }; 207 | 208 | /** 209 | * This function will be called by the useSimVar hook through the context 210 | * and ensures the SimVar with the supplied name and unit will be updated 211 | * every maxStaleness. 212 | */ 213 | const register: RegisterSimVar = (name, unit, maxStaleness, varType) => { 214 | const key = getKey(name, unit, varType); 215 | if (!listeners.current[key]) { 216 | listeners.current[key] = []; 217 | } 218 | listeners.current[key].push(maxStaleness || 0); 219 | }; 220 | 221 | /** 222 | * This function will be called by the useSimVar hook through the context 223 | * and notifies us that there is one listener less for this specific SimVar 224 | * and unit combination. 225 | */ 226 | const unregister: UnregisterSimVar = (name, unit, maxStaleness, varType): void => { 227 | const key = getKey(name, unit, varType); 228 | const old = listeners.current[key]; 229 | if (!Array.isArray(old) || old.length === 0) { 230 | throw new Error('Attempted to unregisterHook with no known listener'); 231 | } 232 | if (old.length === 1) { 233 | // if we're unregistering the last entry, delete the array... 234 | delete listeners.current[key]; 235 | } else { 236 | // ...otherwise, filter out the first occurence of this value 237 | const index = listeners.current[key].indexOf(maxStaleness || 0); 238 | // splice removes in-place, so an assignment would be wrong here as the return value is the removed element 239 | listeners.current[key].splice(index, 1); 240 | } 241 | }; 242 | 243 | return ( 244 | 251 | { children } 252 | 253 | ); 254 | }; 255 | 256 | /** 257 | * The useSimVar hook provides an easy way to read and write SimVars from React. 258 | * 259 | * It's signature is similar to useState and it regularly refreshes the SimVar 260 | * to ensure your React component stays in sync with the SimVar being modified 261 | * from outside your component (like from other components, XML or SimConnect). 262 | * 263 | * You may optionally specify the maximum refresh interval. If the same SimVar 264 | * is used in multiple places, this hook will automatically deduplicate those 265 | * for maximum performance, rather than fetching the SimVar multiple times. 266 | * Setting the SimVar will instantly cause it to be updated in all other places 267 | * within the same React tree. 268 | * 269 | * @param name The name of the SimVar. 270 | * @param unit The unit of the SimVar. 271 | * @param maxStaleness The maximum time in milliseconds that may elapse before 272 | * the next render will cause a SimVar refresh from the simulator. This 273 | * parameter is only an upper bound! If another hook requests the same SimVar 274 | * with a lower maxStaleness, this hook will also benefit from that and refresh 275 | * the value more often. 276 | * 277 | * @example 278 | * // the return value is the value itself and a setter, similar to useState 279 | * const [v1, setV1] = useSimVar('L:AIRLINER_V1_SPEED', 'Knots'); 280 | * 281 | * @example 282 | * // only refresh the SimVar every 500ms (unless this SimVar is lower elsewhere) 283 | * const [lightsTest] = useSimVar('L:A32NX_OVHD_INTLT_ANN', 'Bool', 500); 284 | * 285 | * @returns {[*, (function(*): void)]} 286 | * 287 | * @see {@link useSplitSimVar} if your SimVar is set through a K event 288 | * @see {@link useInteractionSimVar} if you emit an H event whenever your SimVar changes 289 | * @see {@link useGlobalVar} if you have a Global Var instead 290 | */ 291 | export const useSimVar = ( 292 | name: string, 293 | unit: UnitName, 294 | maxStaleness = 0, 295 | ): [SimVarValue, (newValueOrSetter: SimVarValue | SimVarSetter 296 | ) => void] => { 297 | const value = useSimVarValue(name, unit, maxStaleness); 298 | const setter = useSimVarSetter(name, unit); 299 | return [value, setter]; 300 | }; 301 | 302 | /** 303 | * The useGlobalVar hook provides an easy way to read and write GlobalVars from 304 | * React. The signature is similar to useSimVar, except for the return being a 305 | * single value as it is non-writeable. 306 | * 307 | * @param name The name of the GlobalVar. 308 | * @param unit The unit of the GlobalVar. 309 | * @param maxStaleness The maximum time in milliseconds that may elapse before 310 | * the next render will cause a GlobalVar refresh from the simulator. This 311 | * parameter is only an upper bound! If another hook requests the same GlobalVar 312 | * with a lower maxStaleness, this hook will also benefit from that and refresh 313 | * the value more often. 314 | * 315 | * @example 316 | * // only refresh the GlobalVar every 100ms (unless this GlobalVar is lower elsewhere) 317 | * const time = useGlobalVar('ZULU TIME', 'seconds', 100); 318 | * 319 | * @returns {[*, (function(*): void)]} 320 | * 321 | * @see {@link useSimVar} if you're trying to access a SimVar instead 322 | */ 323 | export const useGlobalVar = ( 324 | name: string, 325 | unit: UnitName, 326 | maxStaleness = 0, 327 | ): SimVarValue => { 328 | const contextValue = useContext(context); 329 | 330 | useEffect(() => { 331 | // This part of useEffect will be called whenever either: 332 | // - the component has just mounted, or 333 | // - one the parameters below (name, unit, maxStaleness) has changed. 334 | // In these cases, we want to register our current parameters with the 335 | // SimVarProvider that we access through the context. 336 | contextValue.register(name, unit, maxStaleness, 1); 337 | return () => { 338 | // This part of useEffect will be called whenever either: 339 | // - one of the parameters below (name, unit, maxStaleness) is about 340 | // to change, or 341 | // - the component is about to unmount 342 | // In these cases, we want to unregister our current parameters from 343 | // the SimVar provider, that we again access through the context. 344 | contextValue.unregister(name, unit, maxStaleness, 1); 345 | }; 346 | }, [name, unit, maxStaleness]); 347 | 348 | return contextValue.retrieve(name, unit, false, 1); 349 | }; 350 | 351 | /** 352 | * The useGameVar hook provides an easy way to read and write GameVars from 353 | * React. The signature is similar to useSimVar, except for the return being a 354 | * single value as it is non-writeable. 355 | * 356 | * @param name The name of the useGameVar. 357 | * @param unit The unit of the useGameVar. 358 | * @param maxStaleness The maximum time in milliseconds that may elapse before 359 | * the next render will cause a useGameVar refresh from the simulator. This 360 | * parameter is only an upper bound! If another hook requests the same useGameVar 361 | * with a lower maxStaleness, this hook will also benefit from that and refresh 362 | * the value more often. 363 | * 364 | * @example 365 | * // only refresh the useGameVar every 200ms (unless this useGameVar is lower elsewhere) 366 | * const time = useGameVar('CAMERA POS IN PLANE', 'xyz', 200); 367 | * 368 | * @returns {[*, (function(*): void)]} 369 | * 370 | * @see {@link useSimVar} if you're trying to access a SimVar instead 371 | */ 372 | export const useGameVar = ( 373 | name: string, 374 | unit: UnitName, 375 | maxStaleness = 0, 376 | ): SimVarValue => { 377 | const contextValue = useContext(context); 378 | 379 | useEffect(() => { 380 | // This part of useEffect will be called whenever either: 381 | // - the component has just mounted, or 382 | // - one the parameters below (name, unit, maxStaleness) has changed. 383 | // In these cases, we want to register our current parameters with the 384 | // SimVarProvider that we access through the context. 385 | contextValue.register(name, unit, maxStaleness, 2); 386 | return () => { 387 | // This part of useEffect will be called whenever either: 388 | // - one of the parameters below (name, unit, maxStaleness) is about 389 | // to change, or 390 | // - the component is about to unmount 391 | // In these cases, we want to unregister our current parameters from 392 | // the SimVar provider, that we again access through the context. 393 | contextValue.unregister(name, unit, maxStaleness, 2); 394 | }; 395 | }, [name, unit, maxStaleness]); 396 | 397 | return contextValue.retrieve(name, unit, false, 2); 398 | }; 399 | 400 | /** 401 | * The useInteractionSimVar hook is an optimized version of the useSimVar hook 402 | * when we can guarantee that an interaction event (H event) is emitted whenever 403 | * the SimVar has changed. This can be helpful when the SimVar is set by 404 | * physical button and not a system. 405 | * 406 | * By relying on an H event we need to poll the variable much less frequently, 407 | * as we're guaranteed to be notified of any changes. To handle the SimVar 408 | * change itself through some external means, like third-party plugin or cockpit 409 | * hardware, the SimVar is still refreshed occasionally, but much less 410 | * frequently than with useSimVar. 411 | * 412 | * @param name The name of the SimVar. 413 | * @param unit The unit of the SimVar. 414 | * @param interactionEvents The name of the interaction events that signals a 415 | * change to the SimVar. 416 | * @param maxStaleness The maximum time in milliseconds that may elapse before 417 | * the next render will cause a SimVar refresh from the simulator. This 418 | * parameter is only an upper bound. 419 | * 420 | * @example 421 | * // the XML updates the SimVar and emits an H event, so we can use the optimized version 422 | * const [toggleSwitch, setToggleSwitch] = useInteractionSimVar( 423 | * 'L:A32NX_RMP_LEFT_TOGGLE_SWITCH', 424 | * 'bool', 425 | * 'H:A32NX_RMP_LEFT_TOGGLE_SWITCH' 426 | * ); 427 | * 428 | * @returns {[*, (function(*): void)]} 429 | * 430 | * @see useSimVar if you do not have an H event indicating this SimVar has changed 431 | */ 432 | export const useInteractionSimVar = ( 433 | name: string, 434 | unit: UnitName, 435 | interactionEvents: string | string[], 436 | maxStaleness = 500, 437 | ): [SimVarValue, (newValueOrSetter: SimVarValue | SimVarSetter 438 | ) => void] => { 439 | const contextValue = useContext(context); 440 | const value = useSimVarValue(name, unit, maxStaleness); 441 | 442 | useInteractionEvents( 443 | Array.isArray(interactionEvents) ? interactionEvents : [interactionEvents], 444 | () => contextValue.retrieve(name, unit, true), // force an update 445 | ); 446 | 447 | const setter = useSimVarSetter(name, unit); 448 | return [value, setter]; 449 | }; 450 | 451 | /** 452 | * The useSplitSimVar hook is a special version of the userSimVar hook that is 453 | * appropriate for some special SimVars where sets need to happen using a 454 | * K event. 455 | * 456 | * @param readName The name of the SimVar to read from. 457 | * @param readUnit The unit of the SimVar to read from. 458 | * @param writeName The name of the SimVar to write to. 459 | * @param writeUnit The unit of the SimVar to write to. 460 | * @param maxStaleness The maximum time in milliseconds that may elapse before 461 | * the next render will cause a SimVar refresh from the simulator. This 462 | * parameter is only an upper bound. 463 | * 464 | * @example 465 | * // read the SimVar 'COM STANDBY FREQUENCY:2', and set it through 'K:COM_2_RADIO_SET_HZ' 466 | * const [frequencyTwo, setFrequencyTwo] = useSplitSimVar( 467 | * 'COM STANDBY FREQUENCY:2', 'Hz', 468 | * 'K:COM_2_RADIO_SET_HZ', 'Hz' 469 | * ); 470 | * 471 | * @returns {[*, (function(*): void)]} 472 | * 473 | * @see useSimVar if you're reading and writing from the same SimVar 474 | */ 475 | export const useSplitSimVar = ( 476 | readName: string, 477 | readUnit: UnitName, 478 | writeName: string, 479 | writeUnit?: UnitName, 480 | maxStaleness = 0, 481 | ): [SimVarValue, (newValueOrSetter: SimVarValue | SimVarSetter 482 | ) => void] => { 483 | const value = useSimVarValue(readName, readUnit, maxStaleness); 484 | const setter = useSimVarSetter(readName, writeUnit || readUnit, writeName); 485 | return [value, setter]; 486 | }; 487 | 488 | /** 489 | * This is an internal hook that exposes the internal value for a SimVar only. 490 | * You will usually want to useSimVar instead. Don't use this unless you know 491 | * what you're doing and writing your own hook. 492 | */ 493 | export const useSimVarValue = (name: string, unit: UnitName, maxStaleness: number): SimVarValue => { 494 | const contextValue = useContext(context); 495 | 496 | useEffect(() => { 497 | // This part of useEffect will be called whenever either: 498 | // - the component has just mounted, or 499 | // - one the parameters below (name, unit, maxStaleness) has changed. 500 | // In these cases, we want to register our current parameters with the 501 | // SimVarProvider that we access through the context. 502 | contextValue.register(name, unit, maxStaleness, 0); 503 | return () => { 504 | // This part of useEffect will be called whenever either: 505 | // - one of the parameters below (name, unit, maxStaleness) is about 506 | // to change, or 507 | // - the component is about to unmount 508 | // In these cases, we want to unregister our current parameters from 509 | // the SimVar provider, that we again access through the context. 510 | contextValue.unregister(name, unit, maxStaleness, 0); 511 | }; 512 | }, [name, unit, maxStaleness]); 513 | 514 | return contextValue.retrieve(name, unit); 515 | }; 516 | 517 | /** 518 | * This is an internal hook that exposes the internal setter for a SimVar only. 519 | * You will usually want to useSimVar instead. Don't use this unless you know 520 | * what you're doing and writing your own hook. 521 | */ 522 | export const useSimVarSetter = ( 523 | name: string, 524 | unit: UnitName, 525 | proxy?: string, 526 | ): ((newValueOrSetter: SimVarValue | SimVarSetter) => void 527 | ) => { 528 | const contextValue = useContext(context); 529 | return (value) => contextValue.update(name, unit, value, proxy); 530 | }; 531 | -------------------------------------------------------------------------------- /src/index.ts: -------------------------------------------------------------------------------- 1 | export * from './hooks'; 2 | export * from './utils'; 3 | export * from './components'; 4 | -------------------------------------------------------------------------------- /src/utils/GeoPath.ts: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2021 Synaptic Simulations and its contributors 3 | * 4 | * This program is free software: you can redistribute it and/or modify 5 | * it under the terms of the GNU General Public License as published by 6 | * the Free Software Foundation, either version 3 of the License, or 7 | * (at your option) any later version. 8 | * 9 | * This program is distributed in the hope that it will be useful, 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 | * GNU General Public License for more details. 13 | * 14 | * You should have received a copy of the GNU General Public License 15 | * along with this program. If not, see . 16 | */ 17 | 18 | // eslint-disable-next-line max-classes-per-file 19 | import LatLon from 'geodesy/latlon-ellipsoidal-vincenty'; 20 | 21 | declare class LatLongAlt { 22 | lat: number; 23 | 24 | long: number; 25 | } 26 | 27 | export class GeoPath { 28 | start: LatLon; 29 | 30 | end: LatLon 31 | 32 | constructor(start: LatLon, end: LatLon) { 33 | this.start = start; 34 | this.end = end; 35 | } 36 | 37 | static pathFromLatLongAlt(start: LatLongAlt, end: LatLongAlt): GeoPath { 38 | return new GeoPath( 39 | new LatLon(start.lat, start.long), 40 | new LatLon(end.lat, end.long), 41 | ); 42 | } 43 | 44 | static pathFromCoordinates(startLat: number, startLong: number, endLat: number, endLong: number): GeoPath { 45 | return new GeoPath( 46 | new LatLon(startLat, startLong), 47 | new LatLon(endLat, endLong), 48 | ); 49 | } 50 | } 51 | 52 | export class GeoArc extends GeoPath { 53 | control: LatLon; 54 | 55 | radius: number; 56 | 57 | constructor(start: LatLon, control: LatLon, end: LatLon, radius: number) { 58 | super(start, end); 59 | this.control = control; 60 | this.radius = radius; 61 | } 62 | 63 | static arcFromLatLongAlt(start: LatLongAlt, control: LatLongAlt, end: LatLongAlt, radius: number): GeoPath { 64 | return new GeoArc( 65 | new LatLon(start.lat, start.long), 66 | new LatLon(control.lat, control.long), 67 | new LatLon(end.lat, end.long), 68 | radius, 69 | ); 70 | } 71 | 72 | static arcFromCoordinates(startLat: number, startLong: number, controlLat: number, controlLong: number, endLat: number, endLong: number, radius: number): GeoPath { 73 | return new GeoArc( 74 | new LatLon(startLat, startLong), 75 | new LatLon(controlLat, controlLong), 76 | new LatLon(endLat, endLong), 77 | radius, 78 | ); 79 | } 80 | } 81 | -------------------------------------------------------------------------------- /src/utils/index.ts: -------------------------------------------------------------------------------- 1 | export * from './GeoPath'; 2 | export * from './render'; 3 | export * from './utils'; 4 | -------------------------------------------------------------------------------- /src/utils/render.ts: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2021 Synaptic Simulations and its contributors 3 | * 4 | * This program is free software: you can redistribute it and/or modify 5 | * it under the terms of the GNU General Public License as published by 6 | * the Free Software Foundation, either version 3 of the License, or 7 | * (at your option) any later version. 8 | * 9 | * This program is distributed in the hope that it will be useful, 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 | * GNU General Public License for more details. 13 | * 14 | * You should have received a copy of the GNU General Public License 15 | * along with this program. If not, see . 16 | */ 17 | 18 | // We currently assume that these two elements will be found. 19 | // Might be worth implementing checking in the future. 20 | 21 | const reactMount = document.getElementById('MSFS_REACT_MOUNT') as HTMLElement; 22 | 23 | /** 24 | * Returns the render target which React mounts onto 25 | */ 26 | export const getRenderTarget = () => reactMount; 27 | 28 | /** 29 | * Returns the root element which receives `update` events 30 | */ 31 | export const getRootElement: () => HTMLElement = () => { 32 | if (reactMount?.parentElement) { 33 | return reactMount.parentElement; 34 | } 35 | throw new Error('Could not find rootElement'); 36 | }; 37 | -------------------------------------------------------------------------------- /src/utils/utils.ts: -------------------------------------------------------------------------------- 1 | import LatLon from 'geodesy/latlon-ellipsoidal-vincenty'; 2 | 3 | /** 4 | * Converts a bearing to a cartesian angle in radians 5 | * @param bearing 6 | */ 7 | export function bearingToRad(bearing: number): number { 8 | return ((450 - bearing) % 360) * (Math.PI / 180); 9 | } 10 | 11 | /** 12 | * Converts from degrees to radians 13 | * @param degrees 14 | */ 15 | export function degToRad(degrees: number): number { 16 | return (degrees * Math.PI) / 180; 17 | } 18 | 19 | /** 20 | * Given canvas context, converts a LatLon coordinate to the corresponding pixel location on the canvas 21 | * @param latLon 22 | * @param mapCenter 23 | * @param range 24 | * @param canvasWidth 25 | */ 26 | export function latLonToPx(latLon: LatLon, mapCenter: LatLon, range: number, canvasWidth: number): [number, number] { 27 | const distanceToStart = (mapCenter.distanceTo(latLon)) / (3.02 * range); 28 | const angleToStart = bearingToRad(mapCenter.initialBearingTo(latLon)) || 0; 29 | 30 | const x = canvasWidth / 2 + distanceToStart * Math.cos(angleToStart); 31 | const y = canvasWidth / 2 + distanceToStart * -Math.sin(angleToStart); 32 | 33 | return [x, y]; 34 | } 35 | -------------------------------------------------------------------------------- /tsconfig.json: -------------------------------------------------------------------------------- 1 | { 2 | "compilerOptions": { 3 | "esModuleInterop": true, 4 | "jsx": "react", 5 | "lib": [ 6 | "es2020", 7 | "dom" 8 | ], 9 | "target": "es6", 10 | "moduleResolution": "node", 11 | "declaration": true, 12 | "declarationDir": "dist/" 13 | } 14 | } 15 | --------------------------------------------------------------------------------