Implement on enter/leave layer events

front/src/Api/Events/ChangeLayerEvent.ts

@@ -0,0 +1,11 @@
+import * as tg from "generic-type-guard";
+
+export const isChangeLayerEvent = new tg.IsInterface()
+    .withProperties({
+        name: tg.isString,
+    })
+    .get();
+/**
+ * A message sent from the game to the iFrame when a user enters or leaves a layer.
+ */
+export type ChangeLayerEvent = tg.GuardedType<typeof isChangeLayerEvent>;

front/src/Api/Events/HasPlayerMovedEvent.ts

@@ -6,6 +6,8 @@ export const isHasPlayerMovedEvent = new tg.IsInterface()
         moving: tg.isBoolean,
         x: tg.isNumber,
         y: tg.isNumber,
+        oldX: tg.isOptional(tg.isNumber),
+        oldY: tg.isOptional(tg.isNumber),
     })
     .get();
 

front/src/Api/Events/IframeEvent.ts

@@ -29,6 +29,7 @@ import type {
 } from "./ui/TriggerActionMessageEvent";
 import { isMessageReferenceEvent, isTriggerActionMessageEvent } from "./ui/TriggerActionMessageEvent";
 import type { MenuRegisterEvent, UnregisterMenuEvent } from "./ui/MenuRegisterEvent";
+import type { ChangeLayerEvent } from "./ChangeLayerEvent";
 
 export interface TypedMessageEvent<T> extends MessageEvent {
     data: T;
@@ -75,6 +76,8 @@ export interface IframeResponseEventMap {
     userInputChat: UserInputChatEvent;
     enterEvent: EnterLeaveEvent;
     leaveEvent: EnterLeaveEvent;
+    enterLayerEvent: ChangeLayerEvent;
+    leaveLayerEvent: ChangeLayerEvent;
     buttonClickedEvent: ButtonClickedEvent;
     hasPlayerMoved: HasPlayerMovedEvent;
     menuItemClicked: MenuItemClickedEvent;