Centering character in free space

This commit adds the ability to put the character where there is free space when a discussion is hapening (either in presentation or chat mode)
This commit is contained in:
David Négrier 2020-08-24 14:19:36 +02:00
parent b7c2f8be7b
commit 044495cf05
3 changed files with 173 additions and 7 deletions

View File

@ -317,13 +317,13 @@ body {
flex: 0 0 75%;
display: flex;
justify-content: start;
/*align-items: flex-start;*/
align-items: flex-start;
flex-wrap: wrap;
}
.main-section > div {
margin: 5%;
flex-basis: 90%;
margin: 2%;
flex-basis: 96%;
/*flex-shrink: 2;*/
}

View File

@ -9,7 +9,7 @@ import {
PositionInterface
} from "../../Connection";
import {CurrentGamerInterface, hasMovedEventName, Player} from "../Player/Player";
import {DEBUG_MODE, POSITION_DELAY, ZOOM_LEVEL} from "../../Enum/EnvironmentVariable";
import {DEBUG_MODE, POSITION_DELAY, RESOLUTION, ZOOM_LEVEL} from "../../Enum/EnvironmentVariable";
import {ITiledMap, ITiledMapLayer, ITiledMapLayerProperty, ITiledTileSet} from "../Map/ITiledMap";
import {PLAYER_RESOURCES, PlayerResourceDescriptionInterface} from "../Entity/Character";
import {AddPlayerInterface} from "./AddPlayerInterface";
@ -22,7 +22,7 @@ import {SimplePeer, UserSimplePeerInterface} from "../../WebRtc/SimplePeer";
import {ReconnectingSceneName} from "../Reconnecting/ReconnectingScene";
import {FourOFourSceneName} from "../Reconnecting/FourOFourScene";
import {loadAllLayers} from "../Entity/body_character";
import {layoutManager, LayoutMode} from "../../WebRtc/LayoutManager";
import {CenterListener, layoutManager, LayoutMode} from "../../WebRtc/LayoutManager";
import Texture = Phaser.Textures.Texture;
import Sprite = Phaser.GameObjects.Sprite;
import CanvasTexture = Phaser.Textures.CanvasTexture;
@ -69,7 +69,7 @@ interface DeleteGroupEventInterface {
groupId: string
}
export class GameScene extends Phaser.Scene {
export class GameScene extends Phaser.Scene implements CenterListener {
GameManager : GameManager;
Terrains : Array<Phaser.Tilemaps.Tileset>;
CurrentPlayer!: CurrentGamerInterface;
@ -408,6 +408,9 @@ export class GameScene extends Phaser.Scene {
this.repositionCallback = this.reposition.bind(this);
window.addEventListener('resize', this.repositionCallback);
this.reposition();
// From now, this game scene will be notified of reposition events
layoutManager.setListener(this);
}
private switchLayoutMode(): void {
@ -527,7 +530,7 @@ export class GameScene extends Phaser.Scene {
//todo: in a dedicated class/function?
initCamera() {
this.cameras.main.setBounds(0,0, this.Map.widthInPixels, this.Map.heightInPixels);
this.cameras.main.startFollow(this.CurrentPlayer);
this.updateCameraOffset();
this.cameras.main.setZoom(ZOOM_LEVEL);
}
@ -874,5 +877,30 @@ export class GameScene extends Phaser.Scene {
private reposition(): void {
this.presentationModeSprite.setY(this.game.renderer.height - 2);
this.chatModeSprite.setY(this.game.renderer.height - 2);
// Recompute camera offset if needed
this.updateCameraOffset();
}
/**
* Updates the offset of the character compared to the center of the screen according to the layout mananger
* (tries to put the character in the center of the reamining space if there is a discussion going on.
*/
private updateCameraOffset(): void {
const array = layoutManager.findBiggestAvailableArray();
let xCenter = (array.xEnd - array.xStart) / 2 + array.xStart;
let yCenter = (array.yEnd - array.yStart) / 2 + array.yStart;
// Let's put this in Game coordinates by applying the zoom level:
xCenter /= ZOOM_LEVEL * RESOLUTION;
yCenter /= ZOOM_LEVEL * RESOLUTION;
//console.log("updateCameraOffset", array, xCenter, yCenter, this.game.renderer.width, this.game.renderer.height);
this.cameras.main.startFollow(this.CurrentPlayer, true, 1, 1, xCenter - this.game.renderer.width / 2, yCenter - this.game.renderer.height / 2);
}
public onCenterChange(): void {
this.updateCameraOffset();
}
}

View File

@ -14,6 +14,14 @@ export enum DivImportance {
Normal = "Normal",
}
/**
* Classes implementing this interface can be notified when the center of the screen (the player position) should be
* changed.
*/
export interface CenterListener {
onCenterChange(): void;
}
/**
* This class is in charge of the video-conference layout.
* It receives positioning requests for videos and does its best to place them on the screen depending on the active layout mode.
@ -23,6 +31,11 @@ class LayoutManager {
private importantDivs: Map<string, HTMLDivElement> = new Map<string, HTMLDivElement>();
private normalDivs: Map<string, HTMLDivElement> = new Map<string, HTMLDivElement>();
private listener: CenterListener|null = null;
public setListener(centerListener: CenterListener|null) {
this.listener = centerListener;
}
public add(importance: DivImportance, userId: string, html: string): void {
const div = document.createElement('div');
@ -45,6 +58,7 @@ class LayoutManager {
this.positionDiv(div, importance);
this.adjustVideoChatClass();
this.listener?.onCenterChange();
}
private positionDiv(elem: HTMLDivElement, importance: DivImportance): void {
@ -72,6 +86,7 @@ class LayoutManager {
div.remove();
this.importantDivs.delete(userId);
this.adjustVideoChatClass();
this.listener?.onCenterChange();
return;
}
@ -80,6 +95,7 @@ class LayoutManager {
div.remove();
this.normalDivs.delete(userId);
this.adjustVideoChatClass();
this.listener?.onCenterChange();
return;
}
@ -123,11 +139,133 @@ class LayoutManager {
for (const div of this.normalDivs.values()) {
this.positionDiv(div, DivImportance.Normal);
}
this.listener?.onCenterChange();
}
public getLayoutMode(): LayoutMode {
return this.mode;
}
/*public getGameCenter(): {x: number, y: number} {
}*/
/**
* Tries to find the biggest available box of remaining space (this is a space where we can center the character)
*/
public findBiggestAvailableArray(): {xStart: number, yStart: number, xEnd: number, yEnd: number} {
if (this.mode === LayoutMode.VideoChat) {
const children = document.querySelectorAll<HTMLDivElement>('div.chat-mode > div');
const htmlChildren = Array.from(children.values());
// No chat? Let's go full center
if (htmlChildren.length === 0) {
return {
xStart: 0,
yStart: 0,
xEnd: window.innerWidth,
yEnd: window.innerHeight
}
}
const lastDiv = htmlChildren[htmlChildren.length - 1];
// Compute area between top right of the last div and bottom right of window
const area1 = (window.innerWidth - (lastDiv.offsetLeft + lastDiv.offsetWidth))
* (window.innerHeight - lastDiv.offsetTop);
// Compute area between bottom of last div and bottom of the screen on whole width
const area2 = window.innerWidth
* (window.innerHeight - (lastDiv.offsetTop + lastDiv.offsetHeight));
if (area1 < 0 && area2 < 0) {
// If screen is full, let's not attempt something foolish and simply center character in the middle.
return {
xStart: 0,
yStart: 0,
xEnd: window.innerWidth,
yEnd: window.innerHeight
}
}
if (area1 <= area2) {
console.log('lastDiv', lastDiv.offsetTop, lastDiv.offsetHeight);
return {
xStart: 0,
yStart: lastDiv.offsetTop + lastDiv.offsetHeight,
xEnd: window.innerWidth,
yEnd: window.innerHeight
}
} else {
console.log('lastDiv', lastDiv.offsetTop);
return {
xStart: lastDiv.offsetLeft + lastDiv.offsetWidth,
yStart: lastDiv.offsetTop,
xEnd: window.innerWidth,
yEnd: window.innerHeight
}
}
} else {
// Possible destinations: at the center bottom or at the right bottom.
const mainSectionChildren = Array.from(document.querySelectorAll<HTMLDivElement>('div.main-section > div').values());
const sidebarChildren = Array.from(document.querySelectorAll<HTMLDivElement>('aside.sidebar > div').values());
// Nothing? Let's center
if (mainSectionChildren.length === 0 && sidebarChildren.length === 0) {
return {
xStart: 0,
yStart: 0,
xEnd: window.innerWidth,
yEnd: window.innerHeight
}
}
if (mainSectionChildren.length === 0) {
const lastSidebarDiv = sidebarChildren[sidebarChildren.length-1];
// No presentation? Let's center on the main-section space
return {
xStart: 0,
yStart: 0,
xEnd: lastSidebarDiv.offsetLeft,
yEnd: window.innerHeight
}
}
// At this point, we know we have at least one element in the main section.
const lastPresentationDiv = mainSectionChildren[mainSectionChildren.length-1];
const presentationArea = (window.innerHeight - (lastPresentationDiv.offsetTop + lastPresentationDiv.offsetHeight))
* (lastPresentationDiv.offsetLeft + lastPresentationDiv.offsetWidth);
let leftSideBar: number;
let bottomSideBar: number;
if (sidebarChildren.length === 0) {
leftSideBar = HtmlUtils.getElementByIdOrFail<HTMLDivElement>('sidebar').offsetLeft;
bottomSideBar = 0;
} else {
const lastSideBarChildren = sidebarChildren[sidebarChildren.length - 1];
leftSideBar = lastSideBarChildren.offsetLeft;
bottomSideBar = lastSideBarChildren.offsetTop + lastSideBarChildren.offsetHeight;
}
const sideBarArea = (window.innerWidth - leftSideBar)
* (window.innerHeight - bottomSideBar);
if (presentationArea <= sideBarArea) {
return {
xStart: leftSideBar,
yStart: bottomSideBar,
xEnd: window.innerWidth,
yEnd: window.innerHeight
}
} else {
return {
xStart: 0,
yStart: lastPresentationDiv.offsetTop + lastPresentationDiv.offsetHeight,
xEnd: /*lastPresentationDiv.offsetLeft + lastPresentationDiv.offsetWidth*/ window.innerWidth , // To avoid flickering when a chat start, we center on the center of the screen, not the center of the main content area
yEnd: window.innerHeight
}
}
}
}
}
const layoutManager = new LayoutManager();