Rooms, items and some player stuff

src/engine/index.js

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+import State from './state';
+import Room from './room';
+import Player from './player';
+import Output from './output';
+import Input from './input';
+import Commands from './commands';
+
+export default class Game {
+    constructor() {
+        this.player = new Player();
+        this.state = State;
+        this.rooms = [];
+        this.items = [];
+        this.output = new Output();
+        this.commandHandler = new Commands(this);
+        this.input = new Input(this.commandHandler);
+        this.visitedRooms = new Map();
+    }
+
+    print(string) {
+        this.output.say(string);
+    }
+
+    init(data) {
+        console.log(data);
+        this.rooms = data.rooms.map((room) => {
+            room.context = this;
+            return room;
+        });
+        this.items = data.items.map((item) => {
+            item.context = this;
+            return item;
+        });
+        this.state = data.state;
+        this.commandHandler.addCommands(data.commands);
+        this.player = new Player();
+        this.move(this.player.currentRoom);
+    }
+
+    examineRoom() {
+        const room = this.getRoom(this.player.currentRoom);
+        this.output.say(room.title);
+        if (!this.visitedRooms.get(this.player.currentRoom) && room.firstDescription != "") {
+            this.output.say(room.firstDescription);
+        } else {
+            this.output.say(room.description);
+        }
+        this.examineItems();
+        this.examineExits();
+    }
+
+    examineItems() {
+        const room = this.getRoom(this.player.currentRoom);
+        const items = room.getItems();
+        items.forEach((item) => this.output.say(item.name));
+    }
+
+    examineExits() {
+        const room = this.getRoom(this.player.currentRoom);
+        let exitDescription = "You can go ";
+        for (let exit of room.exits.keys()) {
+            exitDescription += " " + exit;
+        }
+        this.output.say(exitDescription);
+    }
+
+    getRoom(id) {
+        return this.rooms.find((room) => room.id == id);
+    }
+
+    getItem(id) {
+        return this.items.find((item) => item.id == id);
+    }
+
+    wait(ms) {
+        return new Promise((resolve, reject) => {
+            setTimeout(resolve, ms);
+        });
+    }
+
+    async move(roomID) {
+        const currentRoom = this.getRoom(this.player.currentRoom);
+        const newRoom = this.getRoom(roomID);
+        if (currentRoom.canExit() && newRoom.canEnter()) {
+            await currentRoom.onExit();
+            await newRoom.onEnter();
+            this.player.currentRoom = roomID;
+            this.examineRoom();
+            this.visitedRooms.set(roomID, true);
+        }
+    }
+}