86 lines
2.7 KiB
TypeScript
86 lines
2.7 KiB
TypeScript
|
import {UserInterface} from "./UserInterface";
|
||
|
|
import {PointInterface} from "_Model/Websocket/PointInterface";
|
||
|
|
import {PositionInterface} from "_Model/PositionInterface";
|
||
|
|
|
||
|
|
export type UserEntersCallback = (user: UserInterface) => void;
|
||
|
|
export type UserMovesCallback = (user: UserInterface, position: PointInterface) => void;
|
||
|
|
export type UserLeavesCallback = (user: UserInterface) => void;
|
||
|
|
|
||
|
|
export class Zone {
|
||
|
|
private players: Set<UserInterface> = new Set<UserInterface>();
|
||
|
|
private listeners: Set<UserInterface> = new Set<UserInterface>();
|
||
|
|
|
||
|
|
constructor(private onUserEnters: UserEntersCallback, private onUserMoves: UserMovesCallback, private onUserLeaves: UserLeavesCallback) {
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A user leaves the zone
|
||
|
|
*/
|
||
|
|
public leave(user: UserInterface, newZone: Zone|null) {
|
||
|
|
this.players.delete(user);
|
||
|
|
this.notifyUserLeft(user, newZone);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Notify listeners of this zone that this user left
|
||
|
|
*/
|
||
|
|
private notifyUserLeft(user: UserInterface, newZone: Zone|null) {
|
||
|
|
for (const listener of this.listeners) {
|
||
|
|
if (listener !== user && (newZone === null || !listener.listenedZones.has(newZone))) {
|
||
|
|
this.onUserLeaves(user);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public enter(user: UserInterface, oldZone: Zone|null, position: PointInterface) {
|
||
|
|
this.players.add(user);
|
||
|
|
this.notifyUserEnter(user, oldZone, position);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Notify listeners of this zone that this user entered
|
||
|
|
*/
|
||
|
|
private notifyUserEnter(user: UserInterface, oldZone: Zone|null, position: PointInterface) {
|
||
|
|
for (const listener of this.listeners) {
|
||
|
|
if (listener === user) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (oldZone === null || !listener.listenedZones.has(oldZone)) {
|
||
|
|
this.onUserEnters(user);
|
||
|
|
} else {
|
||
|
|
this.onUserMoves(user, position);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public move(user: UserInterface, position: PointInterface) {
|
||
|
|
for (const listener of this.listeners) {
|
||
|
|
if (listener !== user) {
|
||
|
|
this.onUserMoves(user,position);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public startListening(user: UserInterface): void {
|
||
|
|
for (const player of this.players) {
|
||
|
|
if (player !== user) {
|
||
|
|
this.onUserEnters(user);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
this.listeners.add(user);
|
||
|
|
user.listenedZones.add(this);
|
||
|
|
}
|
||
|
|
|
||
|
|
public stopListening(user: UserInterface): void {
|
||
|
|
for (const player of this.players) {
|
||
|
|
if (player !== user) {
|
||
|
|
this.onUserLeaves(user);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
this.listeners.delete(user);
|
||
|
|
user.listenedZones.delete(this);
|
||
|
|
}
|
||
|
|
}
|