Add travel

src/services/game/location.ts

@@ -1,9 +1,12 @@
+import type { MatrixClient } from "matrix-js-sdk";
 import {
+    Location,
     locationFarlands,
     locations,
     type ILocation,
-    type Location,
 } from "./structures/locations.js";
+import type { IPlayer } from "./structures/entities.js";
+import { getSpeed } from "./entity.js";
 
 const getLocation = (id: Location): ILocation => {
     const location = locations.find((location) => location.id === id);
@@ -11,6 +14,14 @@ const getLocation = (id: Location): ILocation => {
     return location ? location : locationFarlands;
 };
 
+const getLocationByName = (name: string): ILocation => {
+    const location = locations.find(
+        (location) => location.name.toLowerCase() === name.toLowerCase(),
+    );
+
+    return location ? location : locationFarlands;
+};
+
 const getLocationDistance = (
     locationA: ILocation,
     locationB: ILocation,
@@ -23,4 +34,62 @@ const getLocationDistance = (
     return Math.sqrt(deltaPow);
 };
 
-export { getLocation, getLocationDistance };
+const getParentLocation = (childLocation: Location): ILocation => {
+    const parentLocation = locations.find((location) =>
+        location.childLocations.includes(childLocation),
+    );
+
+    return parentLocation ? parentLocation : locationFarlands;
+};
+
+const hasLocation = (
+    locationParent: Location,
+    locationChild: Location,
+): boolean => {
+    const childLocations = getLocation(locationParent).childLocations;
+
+    return childLocations.includes(locationChild);
+};
+
+const startTravel = (
+    player: IPlayer,
+    location: Location,
+    client: MatrixClient,
+    roomId: string,
+) => {
+    const currentLocation = getLocation(player.location);
+    const newLocation = getLocation(location);
+
+    const distance = getLocationDistance(currentLocation, newLocation);
+
+    setTimeout(
+        () => {
+            finishTravel(player, newLocation, client, roomId);
+        },
+        (distance / getSpeed(player)) * 3600000,
+    );
+};
+
+const finishTravel = (
+    player: IPlayer,
+    location: ILocation,
+    client: MatrixClient,
+    roomId: string,
+) => {
+    player.location = location.id;
+
+    client.sendTextMessage(
+        roomId,
+        `${player.name} has arrived to ${location.name}`,
+    );
+};
+
+export {
+    getLocation,
+    getLocationByName,
+    getLocationDistance,
+    getParentLocation,
+    hasLocation,
+    startTravel,
+    finishTravel,
+};