Adding batched messages + the notion of notifier / zones (not plugged in the system yet)

back/tests/PositionNotifierTest.ts

@@ -0,0 +1,193 @@
+import "jasmine";
+import {World, ConnectCallback, DisconnectCallback } from "../src/Model/World";
+import {Point} from "../src/Model/Websocket/MessageUserPosition";
+import { Group } from "../src/Model/Group";
+import {PositionNotifier} from "../src/Model/PositionNotifier";
+import {UserInterface} from "../src/Model/UserInterface";
+import {PointInterface} from "../src/Model/Websocket/PointInterface";
+import {Zone} from "_Model/Zone";
+
+function move(user: UserInterface, x: number, y: number, positionNotifier: PositionNotifier): void {
+    positionNotifier.updatePosition(user, {
+        x,
+        y,
+        moving: false,
+        direction: 'down'
+    });
+    user.position.x = x;
+    user.position.y = y;
+}
+
+describe("PositionNotifier", () => {
+    it("should receive notifications when player moves", () => {
+        let enterTriggered = false;
+        let moveTriggered = false;
+        let leaveTriggered = false;
+
+        const positionNotifier = new PositionNotifier(300, 300, (user: UserInterface) => {
+            enterTriggered = true;
+        }, (user: UserInterface, position: PointInterface) => {
+            moveTriggered = true;
+        }, (user: UserInterface) => {
+            leaveTriggered = true;
+        });
+
+        let user1 = {
+            id: "1",
+            position: {
+                x: 500,
+                y: 500,
+                moving: false,
+                direction: 'down'
+            },
+            listenedZones: new Set<Zone>(),
+        } as UserInterface;
+
+        let user2 = {
+            id: "2",
+            position: {
+                x: -9999,
+                y: -9999,
+                moving: false,
+                direction: 'down'
+            },
+            listenedZones: new Set<Zone>(),
+        } as UserInterface;
+
+        positionNotifier.setViewport(user1, {
+            left: 200,
+            right: 600,
+            top: 100,
+            bottom: 500
+        });
+
+        move(user2, 500, 500, positionNotifier);
+
+        expect(enterTriggered).toBe(true);
+        expect(moveTriggered).toBe(false);
+        enterTriggered = false;
+
+        // Move inside the zone
+        move(user2, 501, 500, positionNotifier);
+
+        expect(enterTriggered).toBe(false);
+        expect(moveTriggered).toBe(true);
+        moveTriggered = false;
+
+        // Move out of the zone in a zone that we don't track
+        move(user2, 901, 500, positionNotifier);
+
+        expect(enterTriggered).toBe(false);
+        expect(moveTriggered).toBe(false);
+        expect(leaveTriggered).toBe(true);
+        leaveTriggered = false;
+
+        // Move back in
+        move(user2, 500, 500, positionNotifier);
+        expect(enterTriggered).toBe(true);
+        expect(moveTriggered).toBe(false);
+        expect(leaveTriggered).toBe(false);
+        enterTriggered = false;
+
+        // Move out of the zone in a zone that we do track
+        move(user2, 200, 500, positionNotifier);
+        expect(enterTriggered).toBe(false);
+        expect(moveTriggered).toBe(true);
+        expect(leaveTriggered).toBe(false);
+        moveTriggered = false;
+
+        // Leave the room
+        positionNotifier.leave(user2);
+        expect(enterTriggered).toBe(false);
+        expect(moveTriggered).toBe(false);
+        expect(leaveTriggered).toBe(true);
+        leaveTriggered = false;
+    });
+
+    it("should receive notifications when camera moves", () => {
+        let enterTriggered = false;
+        let moveTriggered = false;
+        let leaveTriggered = false;
+
+        const positionNotifier = new PositionNotifier(300, 300, (user: UserInterface) => {
+            enterTriggered = true;
+        }, (user: UserInterface, position: PointInterface) => {
+            moveTriggered = true;
+        }, (user: UserInterface) => {
+            leaveTriggered = true;
+        });
+
+        let user1 = {
+            id: "1",
+            position: {
+                x: 500,
+                y: 500,
+                moving: false,
+                direction: 'down'
+            },
+            listenedZones: new Set<Zone>(),
+        } as UserInterface;
+
+        let user2 = {
+            id: "2",
+            position: {
+                x: -9999,
+                y: -9999,
+                moving: false,
+                direction: 'down'
+            },
+            listenedZones: new Set<Zone>(),
+        } as UserInterface;
+
+        positionNotifier.setViewport(user1, {
+            left: 200,
+            right: 600,
+            top: 100,
+            bottom: 500
+        });
+
+        move(user2, 500, 500, positionNotifier);
+
+        expect(enterTriggered).toBe(true);
+        expect(moveTriggered).toBe(false);
+        enterTriggered = false;
+
+        // Move the viewport but the user stays inside.
+        positionNotifier.setViewport(user1, {
+            left: 201,
+            right: 601,
+            top: 100,
+            bottom: 500
+        });
+
+        expect(enterTriggered).toBe(false);
+        expect(moveTriggered).toBe(false);
+        expect(leaveTriggered).toBe(false);
+
+        // Move the viewport out of the user.
+        positionNotifier.setViewport(user1, {
+            left: 901,
+            right: 1001,
+            top: 100,
+            bottom: 500
+        });
+
+        expect(enterTriggered).toBe(false);
+        expect(moveTriggered).toBe(false);
+        expect(leaveTriggered).toBe(true);
+        leaveTriggered = false;
+
+        // Move the viewport back on the user.
+        positionNotifier.setViewport(user1, {
+            left: 200,
+            right: 600,
+            top: 100,
+            bottom: 500
+        });
+
+        expect(enterTriggered).toBe(true);
+        expect(moveTriggered).toBe(false);
+        expect(leaveTriggered).toBe(false);
+        enterTriggered = false;
+    });
+})