pxt-ev3/sim/visuals/board.ts

578 lines
22 KiB
TypeScript

/// <reference path="./layoutView.ts" />
namespace pxsim {
export const GAME_LOOP_FPS = 32;
}
namespace pxsim.visuals {
const EV3_STYLE = `
svg.sim {
margin-bottom:1em;
}
svg.sim.grayscale {
-moz-filter: grayscale(1);
-webkit-filter: grayscale(1);
filter: grayscale(1);
}
.user-select-none, .sim-button {
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.sim-button {
cursor: pointer;
}
.sim-button:hover {
stroke-width: 2px !important;
stroke: white !important;
}
.sim-systemled {
fill:#333;
stroke:#555;
stroke-width: 1px;
}
.sim-text {
font-family:"Lucida Console", Monaco, monospace;
font-size:8px;
fill:#fff;
pointer-events: none;
user-select: none;
}
.sim-text.small {
font-size:6px;
}
.sim-text.medium {
font-size:16px;
}
.sim-text.large {
font-size:20px;
}
.sim-text.number {
font-family: Courier, Lato, Work Sans, PT Serif, Source Serif Pro;
/*font-weight: bold;*/
}
.sim-text.inverted {
fill: #5A5A5A; /*#F12B21;*/
}
.no-drag, .sim-text, .sim-text-pin {
user-drag: none;
user-select: none;
-moz-user-select: none;
-webkit-user-drag: none;
-webkit-user-select: none;
-ms-user-select: none;
}
/* Color Grid */
.sim-color-grid-circle:hover {
stroke-width: 0.4;
stroke: #000;
cursor: pointer;
}
.sim-color-selected {
stroke-width: 1px !important;
stroke: #A8AAA8 !important;
}
.sim-color-wheel-half:hover {
stroke-width: 1;
stroke: #000;
fill: gray !important;
cursor: pointer;
}
/* Motor slider */
.sim-motor-btn {
cursor: pointer;
}
.sim-motor-btn:hover .btn {
stroke-width: 2px;
stroke: black !important;
}
`;
const EV3_WIDTH = 99.984346;
const EV3_HEIGHT = 151.66585;
export const SCREEN_WIDTH = 178;
export const SCREEN_HEIGHT = 128;
export interface IBoardTheme {
accent?: string;
highContrast?: boolean;
display?: string;
buttonOuter?: string;
buttonUps: string[];
buttonDown?: string;
wireColor?: string;
backgroundViewColor?: string;
}
export var themes: IBoardTheme[] = ["#3ADCFE"].map(accent => {
return {
accent: accent,
buttonOuter: "#979797",
buttonUps: ["#a8aaa8", "#393939", "#a8aaa8", "#a8aaa8", "#a8aaa8", '#a8aaa8'],
buttonDown: "#000",
wireColor: '#5A5A5A',
backgroundViewColor: '#d6edff'
}
});
export function randomTheme(highContrast?: boolean, light?: boolean): IBoardTheme {
let theme = themes[Math.floor(Math.random() * themes.length)];
if (highContrast) {
theme = JSON.parse(JSON.stringify(theme)) as IBoardTheme;
theme.highContrast = true;
theme.wireColor = '#ffffff';
theme.backgroundViewColor = '#ffffff';
}
return theme;
}
export interface IBoardProps {
runtime?: pxsim.Runtime;
theme?: IBoardTheme;
disableTilt?: boolean;
wireframe?: boolean;
}
export class EV3View implements BoardView {
public static BOARD_WIDTH = 500;
public static BOARD_HEIGHT = 500;
public wrapper: HTMLDivElement;
public element: SVGSVGElement;
private style: SVGStyleElement;
private defs: SVGDefsElement;
private layoutView: LayoutView;
private cachedControlNodes: { [index: string]: View[] } = {};
private cachedDisplayViews: { [index: string]: LayoutElement[] } = {};
private cachedCloseIcons: { [index: string]: View } = {};
private cachedBackgroundViews: { [index: string]: View } = {};
private screenCanvas: HTMLCanvasElement;
private screenCanvasCtx: CanvasRenderingContext2D;
private screenCanvasData: ImageData;
private screenCanvasTemp: HTMLCanvasElement;
private screenScaledWidth: number;
private screenScaledHeight: number;
private width = 0;
private height = 0;
private g: SVGGElement;
public board: pxsim.EV3Board;
constructor(public props: IBoardProps) {
this.buildDom();
const dalBoard = board();
dalBoard.updateSubscribers.push(() => this.updateState());
if (props && props.wireframe)
svg.addClass(this.element, "sim-wireframe");
if (props && props.theme)
this.updateTheme();
if (props && props.runtime) {
this.board = this.props.runtime.board as pxsim.EV3Board;
this.board.updateSubscribers.push(() => this.updateState());
this.updateState();
}
Runtime.messagePosted = (msg) => {
switch (msg.type || "") {
case "status": {
const state = (msg as pxsim.SimulatorStateMessage).state;
if (state == "killed") this.kill();
if (state == "running") this.begin();
break;
}
}
}
}
public getView(): SVGAndSize<SVGSVGElement> {
return {
el: this.wrapper as any,
y: 0,
x: 0,
w: EV3View.BOARD_WIDTH,
h: EV3View.BOARD_WIDTH
};
}
public getCoord(pinNm: string): Coord {
// Not needed
return undefined;
}
public highlightPin(pinNm: string): void {
// Not needed
}
public getPinDist(): number {
// Not needed
return 10;
}
public updateTheme() {
let theme = this.props.theme;
this.layoutView.updateTheme(theme);
}
private getControlForNode(id: NodeType, port: number, useCache = true) {
if (useCache && this.cachedControlNodes[id] && this.cachedControlNodes[id][port]) {
return this.cachedControlNodes[id][port];
}
let view: View;
switch (id) {
case NodeType.ColorSensor: {
const state = ev3board().getInputNodes()[port] as ColorSensorNode;
if (state.getMode() == ColorSensorMode.Colors) {
view = new ColorGridControl(this.element, this.defs, state, port);
} else if (state.getMode() == ColorSensorMode.Reflected) {
view = new ColorWheelControl(this.element, this.defs, state, port);
} else if (state.getMode() == ColorSensorMode.Ambient) {
view = new ColorWheelControl(this.element, this.defs, state, port);
}
break;
}
case NodeType.UltrasonicSensor: {
const state = ev3board().getInputNodes()[port] as UltrasonicSensorNode;
view = new DistanceSliderControl(this.element, this.defs, state, port);
break;
}
case NodeType.InfraredSensor: {
const state = ev3board().getInputNodes()[port] as InfraredSensorNode;
if (state.getMode() == InfraredSensorMode.Proximity)
view = new ProximitySliderControl(this.element, this.defs, state, port);
else if (state.getMode() == InfraredSensorMode.RemoteControl)
view = new RemoteBeaconButtonsControl(this.element, this.defs, state, port);
break;
}
case NodeType.GyroSensor: {
const state = ev3board().getInputNodes()[port] as GyroSensorNode;
view = new RotationSliderControl(this.element, this.defs, state, port);
break;
}
case NodeType.MediumMotor:
case NodeType.LargeMotor: {
const state = ev3board().getMotors()[port];
view = new MotorSliderControl(this.element, this.defs, state, port);
break;
}
}
if (view) {
if (!this.cachedControlNodes[id]) this.cachedControlNodes[id] = [];
this.cachedControlNodes[id][port] = view;
return view;
}
return undefined;
}
private getDisplayViewForNode(id: NodeType, port: number): LayoutElement {
if (this.cachedDisplayViews[id] && this.cachedDisplayViews[id][port]) {
return this.cachedDisplayViews[id][port];
}
let view: LayoutElement;
switch (id) {
case NodeType.TouchSensor:
view = new TouchSensorView(port); break;
case NodeType.MediumMotor:
view = new MediumMotorView(port); break;
case NodeType.LargeMotor:
view = new LargeMotorView(port); break;
case NodeType.GyroSensor:
view = new GyroSensorView(port); break;
case NodeType.ColorSensor:
view = new ColorSensorView(port); break;
case NodeType.UltrasonicSensor:
view = new UltrasonicSensorView(port); break;
case NodeType.InfraredSensor:
view = new InfraredView(port); break;
case NodeType.Brick:
//return new BrickView(0);
view = this.layoutView.getBrick(); break;
}
if (view) {
if (!this.cachedDisplayViews[id]) this.cachedDisplayViews[id] = [];
this.cachedDisplayViews[id][port] = view;
return view;
}
return undefined;
}
private getCloseIconView(port: number) {
if (this.cachedCloseIcons[port]) {
return this.cachedCloseIcons[port];
}
const closeIcon = new CloseIconControl(this.element, this.defs, new PortNode(-1), -1);
this.cachedCloseIcons[port] = closeIcon;
return closeIcon;
}
private getBackgroundView(port: number) {
if (this.cachedBackgroundViews[port]) {
return this.cachedBackgroundViews[port];
}
const backgroundView = new BackgroundViewControl(this.element, this.defs, new PortNode(-1), -1);
this.cachedBackgroundViews[port] = backgroundView;
return backgroundView;
}
private buildDom() {
this.wrapper = document.createElement('div');
this.wrapper.style.display = 'inline';
this.element = svg.elt("svg", { height: "100%", width: "100%", "class": "user-select-none" }) as SVGSVGElement;
this.defs = svg.child(this.element, "defs") as SVGDefsElement;
this.style = svg.child(this.element, "style", {}) as SVGStyleElement;
this.style.textContent = EV3_STYLE;
this.layoutView = new LayoutView();
this.layoutView.inject(this.element, this.props.theme);
const brick = new BrickViewPortrait(-1);
this.layoutView.setBrick(brick);
EV3View.isPreviousBrickLandscape() ? this.layoutView.setlectBrick() : this.layoutView.unselectBrick();
this.resize();
// Add Screen canvas to board
this.buildScreenCanvas();
this.wrapper.appendChild(this.element);
this.wrapper.appendChild(this.screenCanvas);
this.wrapper.appendChild(this.screenCanvasTemp);
window.addEventListener("resize", e => {
this.resize();
});
}
public resize() {
if (!this.element) return;
this.width = document.body.offsetWidth;
this.height = document.body.offsetHeight;
this.layoutView.layout(this.width, this.height);
this.updateState();
let state = ev3board().screenState;
this.updateScreenStep(state);
}
private buildScreenCanvas() {
this.screenCanvas = document.createElement("canvas");
this.screenCanvas.id = "board-screen-canvas";
this.screenCanvas.style.userSelect = "none";
this.screenCanvas.style.msUserSelect = "none";
this.screenCanvas.style.webkitUserSelect = "none";
(this.screenCanvas.style as any).MozUserSelect = "none";
this.screenCanvas.style.position = "absolute";
this.screenCanvas.addEventListener(pxsim.pointerEvents.up, ev => {
this.layoutView.toggleBrickSelect();
this.resize();
})
/*
this.screenCanvas.style.cursor = "crosshair";
this.screenCanvas.onmousemove = (e: MouseEvent) => {
const x = e.clientX;
const y = e.clientY;
const bBox = this.screenCanvas.getBoundingClientRect();
this.updateXY(Math.floor((x - bBox.left) / this.screenScaledWidth * SCREEN_WIDTH),
Math.floor((y - bBox.top) / this.screenScaledHeight * SCREEN_HEIGHT));
}
this.screenCanvas.onmouseleave = () => {
this.updateXY(SCREEN_WIDTH, SCREEN_HEIGHT);
}
*/
this.screenCanvas.width = SCREEN_WIDTH;
this.screenCanvas.height = SCREEN_HEIGHT;
this.screenCanvasCtx = this.screenCanvas.getContext("2d");
this.screenCanvasTemp = document.createElement("canvas");
this.screenCanvasTemp.style.display = 'none';
}
private kill() {
this.running = false;
if (this.lastAnimationIds.length > 0) {
this.lastAnimationIds.forEach(animationId => {
cancelAnimationFrame(animationId);
})
}
// Kill the brick
this.layoutView.getPortraitBrick().kill();
this.layoutView.getLandscapeBrick().kill();
// Save previous inputs for the next cycle
EV3View.previousSelectedInputs = {};
ev3board().getInputNodes().forEach((node, index) =>
EV3View.previousSelectedInputs[index] = (this.getDisplayViewForNode(node.id, index).getSelected()));
EV3View.previousSeletedOutputs = {};
ev3board().getMotors().forEach((node, index) =>
EV3View.previousSeletedOutputs[index] = (this.getDisplayViewForNode(node.id, index).getSelected()));
EV3View.previousBrickLandscape = this.layoutView.isBrickLandscape();
}
private static previousSelectedInputs: pxt.Map<boolean> = {};
private static previousSeletedOutputs: pxt.Map<boolean> = {};
private static previousBrickLandscape: boolean;
private static isPreviousInputSelected(index: number) {
const previousInput = EV3View.previousSelectedInputs[index];
delete EV3View.previousSelectedInputs[index];
return previousInput;
}
private static isPreviousOutputSelected(index: number) {
const previousOutput = EV3View.previousSeletedOutputs[index];
delete EV3View.previousSeletedOutputs[index];
return previousOutput;
}
private static isPreviousBrickLandscape() {
const b = EV3View.previousBrickLandscape;
EV3View.previousBrickLandscape = false;
return !!b;
}
private begin() {
this.running = true;
this.updateState();
}
private running: boolean = false;
private lastAnimationIds: number[] = [];
public updateState() {
if (this.lastAnimationIds.length > 0) {
this.lastAnimationIds.forEach(animationId => {
cancelAnimationFrame(animationId);
})
}
if (!this.running) return;
const fps = GAME_LOOP_FPS;
let now;
let then = pxsim.U.now();
let interval = 1000 / fps;
let delta;
let that = this;
function loop() {
const animationId = requestAnimationFrame(loop);
that.lastAnimationIds.push(animationId);
now = pxsim.U.now();
delta = now - then;
if (delta > interval) {
then = now;
that.updateStateStep(delta);
}
}
loop();
}
private updateStateStep(elapsed: number) {
const inputNodes = ev3board().getInputNodes();
inputNodes.forEach((node, index) => {
node.updateState(elapsed);
const view = this.getDisplayViewForNode(node.id, index);
if (!node.didChange() && !view.didChange()) return;
if (view) {
const previousSelected = EV3View.isPreviousInputSelected(index);
const isSelected = previousSelected != undefined ? previousSelected : view.getSelected();
view.setSelected(isSelected);
const control = isSelected ? this.getControlForNode(node.id, index, !node.modeChange()) : undefined;
const closeIcon = control ? this.getCloseIconView(index + 10) : undefined;
const backgroundView = control && view.hasBackground() ? this.getBackgroundView(index + 10) : undefined;
this.layoutView.setInput(index, view, control, closeIcon, backgroundView);
view.updateState();
if (control) control.updateState();
}
});
const brickNode = ev3board().getBrickNode();
if (brickNode.didChange()) {
this.layoutView.getPortraitBrick().updateState();
this.layoutView.getLandscapeBrick().updateState();
}
const outputNodes = ev3board().getMotors();
outputNodes.forEach((node, index) => {
node.updateState(elapsed);
const view = this.getDisplayViewForNode(node.id, index);
if (!node.didChange() && !view.didChange()) return;
if (view) {
const previousSelected = EV3View.isPreviousOutputSelected(index);
const isSelected = previousSelected != undefined ? previousSelected : view.getSelected();
view.setSelected(isSelected);
const control = isSelected ? this.getControlForNode(node.id, index) : undefined;
const closeIcon = control ? this.getCloseIconView(index) : undefined;
const backgroundView = control && view.hasBackground() ? this.getBackgroundView(index) : undefined;
this.layoutView.setOutput(index, view, control, closeIcon, backgroundView);
view.updateState();
if (control) control.updateState();
}
});
let state = ev3board().screenState;
if (state.didChange()) {
this.updateScreenStep(state);
}
}
private updateScreenStep(state: ScreenState) {
const isLandscape = this.layoutView.isBrickLandscape();
const bBox = this.layoutView.getBrick().getScreenBBox();
if (!bBox || bBox.width == 0) return;
const scale = (bBox.height - 2) / SCREEN_HEIGHT;
this.screenScaledHeight = (bBox.height - 2);
this.screenScaledWidth = this.screenScaledHeight / SCREEN_HEIGHT * SCREEN_WIDTH;
this.screenCanvas.style.top = `${bBox.top + 1}px`;
this.screenCanvas.style.left = `${bBox.left + ((bBox.width - this.screenScaledWidth) * 0.5)}px`;
this.screenCanvas.width = this.screenScaledWidth;
this.screenCanvas.height = this.screenScaledHeight;
this.screenCanvas.style.cursor = !isLandscape ? "zoom-in" : "zoom-out";
this.screenCanvasData = this.screenCanvasCtx.getImageData(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
new Uint32Array(this.screenCanvasData.data.buffer).set(state.screen)
// Move the image to another canvas element in order to scale it
this.screenCanvasTemp.style.width = `${SCREEN_WIDTH}`;
this.screenCanvasTemp.style.height = `${SCREEN_HEIGHT}`;
this.screenCanvasTemp.getContext("2d").putImageData(this.screenCanvasData, 0, 0);
this.screenCanvasCtx.scale(scale, scale);
this.screenCanvasCtx.drawImage(this.screenCanvasTemp, 0, 0);
}
private updateXY(width: number, height: number) {
const screenWidth = Math.max(0, Math.min(SCREEN_WIDTH, width));
const screenHeight = Math.max(0, Math.min(SCREEN_HEIGHT, height));
console.log(`width: ${screenWidth}, height: ${screenHeight}`);
// TODO: add a reporter for the hovered XY position
}
}
}