454 lines
16 KiB
TypeScript
454 lines
16 KiB
TypeScript
/// <reference path="./layoutView.ts" />
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namespace pxsim {
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export const GAME_LOOP_FPS = 32;
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}
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namespace pxsim.visuals {
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const EV3_STYLE = `
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svg.sim {
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margin-bottom:1em;
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}
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svg.sim.grayscale {
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-moz-filter: grayscale(1);
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-webkit-filter: grayscale(1);
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filter: grayscale(1);
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}
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.sim-button {
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cursor: pointer;
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}
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.sim-button:hover {
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stroke-width: 2px !important;
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stroke: white !important;
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}
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.sim-systemled {
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fill:#333;
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stroke:#555;
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stroke-width: 1px;
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}
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.sim-text {
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font-family:"Lucida Console", Monaco, monospace;
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font-size:8px;
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fill:#fff;
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pointer-events: none; user-select: none;
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}
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.sim-text.small {
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font-size:6px;
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}
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.sim-text.inverted {
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fill:#000;
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}
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/* Color Grid */
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.sim-color-grid-circle:hover {
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stroke-width: 0.4;
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stroke: #000;
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cursor: pointer;
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}
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.sim-color-wheel-half:hover {
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stroke-width: 1;
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stroke: #000;
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fill: gray !important;
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cursor: pointer;
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}
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`;
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const EV3_WIDTH = 99.984346;
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const EV3_HEIGHT = 151.66585;
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export const SCREEN_WIDTH = 178;
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export const SCREEN_HEIGHT = 128;
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export interface IBoardTheme {
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accent?: string;
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display?: string;
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buttonOuter?: string;
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buttonUps: string[];
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buttonDown?: string;
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}
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export var themes: IBoardTheme[] = ["#3ADCFE"].map(accent => {
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return {
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accent: accent,
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buttonOuter: "#979797",
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buttonUps: ["#a8aaa8", "#393939", "#a8aaa8", "#a8aaa8", "#a8aaa8", '#a8aaa8'],
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buttonDown: "#000"
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}
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});
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export function randomTheme(): IBoardTheme {
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return themes[Math.floor(Math.random() * themes.length)];
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}
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export interface IBoardProps {
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runtime?: pxsim.Runtime;
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theme?: IBoardTheme;
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disableTilt?: boolean;
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wireframe?: boolean;
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}
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export class EV3View implements BoardView {
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public static BOARD_WIDTH = 500;
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public static BOARD_HEIGHT = 500;
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public wrapper: HTMLDivElement;
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public element: SVGSVGElement;
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private style: SVGStyleElement;
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private defs: SVGDefsElement;
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private layoutView: LayoutView;
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private cachedControlNodes: { [index: string]: View[] } = {};
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private cachedDisplayViews: { [index: string]: LayoutElement[] } = {};
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private screenCanvas: HTMLCanvasElement;
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private screenCanvasCtx: CanvasRenderingContext2D;
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private screenCanvasData: ImageData;
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private screenCanvasTemp: HTMLCanvasElement;
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private screenScaledWidth: number;
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private screenScaledHeight: number;
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private width = 0;
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private height = 0;
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private g: SVGGElement;
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public board: pxsim.EV3Board;
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constructor(public props: IBoardProps) {
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this.buildDom();
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const dalBoard = board();
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dalBoard.updateSubscribers.push(() => this.updateState());
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if (props && props.wireframe)
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svg.addClass(this.element, "sim-wireframe");
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if (props && props.theme)
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this.updateTheme();
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if (props && props.runtime) {
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this.board = this.props.runtime.board as pxsim.EV3Board;
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this.board.updateSubscribers.push(() => this.updateState());
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this.updateState();
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}
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Runtime.messagePosted = (msg) => {
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switch (msg.type || "") {
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case "status": {
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const state = (msg as pxsim.SimulatorStateMessage).state;
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if (state == "killed") this.kill();
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if (state == "running") this.begin();
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break;
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}
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}
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}
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}
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public getView(): SVGAndSize<SVGSVGElement> {
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return {
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el: this.wrapper as any,
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y: 0,
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x: 0,
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w: EV3View.BOARD_WIDTH,
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h: EV3View.BOARD_WIDTH
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};
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}
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public getCoord(pinNm: string): Coord {
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// Not needed
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return undefined;
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}
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public highlightPin(pinNm: string): void {
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// Not needed
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}
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public getPinDist(): number {
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// Not needed
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return 10;
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}
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public updateTheme() {
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let theme = this.props.theme;
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this.layoutView.updateTheme(theme);
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}
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private getControlForNode(id: NodeType, port: number) {
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if (this.cachedControlNodes[id] && this.cachedControlNodes[id][port]) {
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return this.cachedControlNodes[id][port];
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}
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let view: View;
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switch (id) {
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case NodeType.ColorSensor: {
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const state = ev3board().getInputNodes()[port] as ColorSensorNode;
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if (state.getMode() == ColorSensorMode.Colors) {
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view = new ColorGridControl(this.element, this.defs, state, port);
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} else if (state.getMode() == ColorSensorMode.Reflected) {
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view = new ColorWheelControl(this.element, this.defs, state, port);
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} else if (state.getMode() == ColorSensorMode.Ambient) {
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view = new ColorWheelControl(this.element, this.defs, state, port);
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}
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break;
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}
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case NodeType.UltrasonicSensor: {
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const state = ev3board().getInputNodes()[port] as UltrasonicSensorNode;
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view = new DistanceSliderControl(this.element, this.defs, state, port);
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break;
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}
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case NodeType.GyroSensor: {
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const state = ev3board().getInputNodes()[port] as GyroSensorNode;
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view = new RotationSliderControl(this.element, this.defs, state, port);
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break;
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}
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case NodeType.MediumMotor:
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case NodeType.LargeMotor: {
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// const state = ev3board().getMotor(port)[0];
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// view = new MotorInputControl(this.element, this.defs, state, port);
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// break;
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}
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}
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if (view) {
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if (!this.cachedControlNodes[id]) this.cachedControlNodes[id] = [];
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this.cachedControlNodes[id][port] = view;
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return view;
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}
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return undefined;
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}
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private getDisplayViewForNode(id: NodeType, port: number): LayoutElement {
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if (this.cachedDisplayViews[id] && this.cachedDisplayViews[id][port]) {
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return this.cachedDisplayViews[id][port];
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}
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let view: LayoutElement;
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switch (id) {
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case NodeType.TouchSensor:
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view = new TouchSensorView(port); break;
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case NodeType.MediumMotor:
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view = new MediumMotorView(port); break;
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case NodeType.LargeMotor:
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view = new LargeMotorView(port); break;
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case NodeType.GyroSensor:
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view = new GyroSensorView(port); break;
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case NodeType.ColorSensor:
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view = new ColorSensorView(port); break;
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case NodeType.UltrasonicSensor:
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view = new UltrasonicSensorView(port); break;
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case NodeType.Brick:
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//return new BrickView(0);
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view = this.layoutView.getBrick(); break;
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}
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if (view) {
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if (!this.cachedDisplayViews[id]) this.cachedDisplayViews[id] = [];
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this.cachedDisplayViews[id][port] = view;
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return view;
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}
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return undefined;
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}
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private getCloseIconView() {
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return new CloseIconControl(this.element, this.defs, new PortNode(-1), -1);
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}
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private buildDom() {
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this.wrapper = document.createElement('div');
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this.wrapper.style.display = 'inline';
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this.element = svg.elt("svg", { height: "100%", width: "100%" }) as SVGSVGElement;
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this.defs = svg.child(this.element, "defs") as SVGDefsElement;
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this.style = svg.child(this.element, "style", {}) as SVGStyleElement;
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this.style.textContent = EV3_STYLE;
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this.layoutView = new LayoutView();
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this.layoutView.inject(this.element);
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// Add EV3 module element
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this.layoutView.setBrick(new BrickView(-1));
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this.resize();
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// Add Screen canvas to board
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this.buildScreenCanvas();
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this.wrapper.appendChild(this.element);
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this.wrapper.appendChild(this.screenCanvas);
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this.wrapper.appendChild(this.screenCanvasTemp);
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window.addEventListener("resize", e => {
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this.resize();
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});
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setTimeout(() => {
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this.resize();
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}, 200);
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}
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public resize() {
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if (!this.element) return;
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const bounds = this.element.getBoundingClientRect();
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this.width = bounds.width;
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this.height = bounds.height;
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this.layoutView.layout(bounds.width, bounds.height);
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this.updateState();
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let state = ev3board().screenState;
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this.updateScreenStep(state);
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}
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private buildScreenCanvas() {
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this.screenCanvas = document.createElement("canvas");
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this.screenCanvas.id = "board-screen-canvas";
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this.screenCanvas.style.position = "absolute";
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this.screenCanvas.style.cursor = "crosshair";
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this.screenCanvas.onmousemove = (e: MouseEvent) => {
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const x = e.clientX;
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const y = e.clientY;
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const bBox = this.screenCanvas.getBoundingClientRect();
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this.updateXY(Math.floor((x - bBox.left) / this.screenScaledWidth * SCREEN_WIDTH),
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Math.floor((y - bBox.top) / this.screenScaledHeight * SCREEN_HEIGHT));
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}
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this.screenCanvas.onmouseleave = () => {
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this.updateXY(SCREEN_WIDTH, SCREEN_HEIGHT);
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}
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this.screenCanvas.width = SCREEN_WIDTH;
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this.screenCanvas.height = SCREEN_HEIGHT;
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this.screenCanvasCtx = this.screenCanvas.getContext("2d");
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this.screenCanvasTemp = document.createElement("canvas");
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this.screenCanvasTemp.style.display = 'none';
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}
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private kill() {
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this.running = false;
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if (this.lastAnimationIds.length > 0) {
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this.lastAnimationIds.forEach(animationId => {
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cancelAnimationFrame(animationId);
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})
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}
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}
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private begin() {
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this.running = true;
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}
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private running: boolean = false;
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private lastAnimationIds: number[] = [];
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public updateState() {
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if (this.lastAnimationIds.length > 0) {
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this.lastAnimationIds.forEach(animationId => {
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cancelAnimationFrame(animationId);
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})
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}
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if (!this.running) return;
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const fps = GAME_LOOP_FPS;
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let now;
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let then = Date.now();
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let interval = 1000 / fps;
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let delta;
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let that = this;
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function loop() {
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const animationId = requestAnimationFrame(loop);
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that.lastAnimationIds.push(animationId);
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now = Date.now();
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delta = now - then;
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if (delta > interval) {
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then = now;
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that.updateStateStep(delta);
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}
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}
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loop();
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}
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private updateStateStep(elapsed: number) {
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const inputNodes = ev3board().getInputNodes();
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inputNodes.forEach((node, index) => {
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node.updateState(elapsed);
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const view = this.getDisplayViewForNode(node.id, index);
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if (!node.didChange() && !view.didChange()) return;
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if (view) {
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const control = view.getSelected() ? this.getControlForNode(node.id, index) : undefined;
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const closeIcon = control ? this.getCloseIconView() : undefined;
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this.layoutView.setInput(index, view, control, closeIcon);
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view.updateState();
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if (control) control.updateState();
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}
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});
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const brickNode = ev3board().getBrickNode();
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if (brickNode.didChange()) {
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this.getDisplayViewForNode(brickNode.id, -1).updateState();
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}
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const outputNodes = ev3board().getMotors();
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outputNodes.forEach((node, index) => {
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node.updateState(elapsed);
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const view = this.getDisplayViewForNode(node.id, index);
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if (!node.didChange() && !view.didChange()) return;
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if (view) {
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const control = view.getSelected() ? this.getControlForNode(node.id, index) : undefined;
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const closeIcon = control ? this.getCloseIconView() : undefined;
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this.layoutView.setOutput(index, view, control, closeIcon);
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view.updateState();
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if (control) control.updateState();
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}
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});
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let state = ev3board().screenState;
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if (!state.didChange()) {
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this.updateScreenStep(state);
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}
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}
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private updateScreenStep(state: EV3ScreenState) {
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const bBox = this.layoutView.getBrick().getScreenBBox();
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if (!bBox || bBox.width == 0) return;
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const scale = (bBox.width - 4) / SCREEN_WIDTH;
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this.screenScaledWidth = (bBox.width - 4);
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this.screenScaledHeight = this.screenScaledWidth / SCREEN_WIDTH * SCREEN_HEIGHT;
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this.screenCanvas.style.top = `${bBox.top + 2}px`;
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this.screenCanvas.style.left = `${bBox.left + 2}px`;
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this.screenCanvas.width = this.screenScaledWidth;
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this.screenCanvas.height = this.screenScaledHeight;
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this.screenCanvasData = this.screenCanvasCtx.getImageData(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
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let sp = 3
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const points = state.points
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const data = this.screenCanvasData.data
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for (let i = 0; i < points.length; ++i) {
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data[sp] = points[i]
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sp += 4;
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}
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// Move the image to another canvas element in order to scale it
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this.screenCanvasTemp.style.width = `${SCREEN_WIDTH}`;
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this.screenCanvasTemp.style.height = `${SCREEN_HEIGHT}`;
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this.screenCanvasTemp.getContext("2d").putImageData(this.screenCanvasData, 0, 0);
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this.screenCanvasCtx.scale(scale, scale);
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this.screenCanvasCtx.drawImage(this.screenCanvasTemp, 0, 0);
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}
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private updateXY(width: number, height: number) {
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const screenWidth = Math.max(0, Math.min(SCREEN_WIDTH, width));
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const screenHeight = Math.max(0, Math.min(SCREEN_HEIGHT, height));
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console.log(`width: ${screenWidth}, height: ${screenHeight}`);
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// TODO: add a reporter for the hovered XY position
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}
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}
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} |