workadventure/front/src/Phaser/Services/WaScaleManager.ts

81 lines
2.7 KiB
TypeScript

import {HdpiManager} from "./HdpiManager";
import ScaleManager = Phaser.Scale.ScaleManager;
import {coWebsiteManager} from "../../WebRtc/CoWebsiteManager";
import type {Game} from "../Game/Game";
import {ResizableScene} from "../Login/ResizableScene";
class WaScaleManager {
private hdpiManager: HdpiManager;
private scaleManager!: ScaleManager;
private game!: Game;
private actualZoom: number = 1;
private _saveZoom: number = 1;
public constructor(private minGamePixelsNumber: number, private absoluteMinPixelNumber: number) {
this.hdpiManager = new HdpiManager(minGamePixelsNumber, absoluteMinPixelNumber);
}
public setGame(game: Game): void {
this.scaleManager = game.scale;
this.game = game;
}
public applyNewSize() {
const {width, height} = coWebsiteManager.getGameSize();
let devicePixelRatio = 1;
if (window.devicePixelRatio) {
devicePixelRatio = window.devicePixelRatio;
}
const { game: gameSize, real: realSize } = this.hdpiManager.getOptimalGameSize({width: width * devicePixelRatio, height: height * devicePixelRatio});
this.actualZoom = realSize.width / gameSize.width / devicePixelRatio;
this.scaleManager.setZoom(realSize.width / gameSize.width / devicePixelRatio)
this.scaleManager.resize(gameSize.width, gameSize.height);
// Override bug in canvas resizing in Phaser. Let's resize the canvas ourselves
const style = this.scaleManager.canvas.style;
style.width = Math.ceil(realSize.width / devicePixelRatio) + 'px';
style.height = Math.ceil(realSize.height / devicePixelRatio) + 'px';
// Note: onResize will be called twice (once here and once is Game.ts), but we have no better way.
for (const scene of this.game.scene.getScenes(true)) {
if (scene instanceof ResizableScene) {
scene.onResize();
}
}
this.game.markDirty();
}
public get zoomModifier(): number {
return this.hdpiManager.zoomModifier;
}
public set zoomModifier(zoomModifier: number) {
this.hdpiManager.zoomModifier = zoomModifier;
this.applyNewSize();
}
public saveZoom(): void {
this._saveZoom = this.hdpiManager.zoomModifier;
console.log(this._saveZoom);
}
public restoreZoom(): void{
this.hdpiManager.zoomModifier = this._saveZoom;
this.applyNewSize();
}
/**
* This is used to scale back the ui components to counter-act the zoom.
*/
public get uiScalingFactor(): number {
return this.actualZoom > 1 ? 1 : 1.2;
}
}
export const waScaleManager = new WaScaleManager(640*480, 196*196);