allow closing the radial or build menu with the esc key

src/client/InputHandler.ts

@@ -48,6 +48,8 @@ export class AlternateViewEvent implements GameEvent {
   constructor(public readonly alternateView: boolean) {}
 }
 
+export class CloseViewEvent implements GameEvent {}
+
 export class RefreshGraphicsEvent implements GameEvent {}
 
 export class ShowBuildMenuEvent implements GameEvent {
@@ -149,6 +151,11 @@ export class InputHandler {
         }
       }
 
+      if (e.code === "Escape") {
+        e.preventDefault();
+        this.eventBus.emit(new CloseViewEvent());
+      }
+
       // Add all movement keys to activeKeys
       if (
         [

src/client/graphics/layers/RadialMenu.ts

@@ -8,6 +8,7 @@ import {
 } from "../../../core/game/Game";
 import { ClientID } from "../../../core/Schemas";
 import {
+  CloseViewEvent,
   ContextMenuEvent,
   MouseUpEvent,
   ShowBuildMenuEvent,
@@ -123,9 +124,22 @@ export class RadialMenu implements Layer {
       }
       this.buildMenu.showMenu(tile);
     });
+
+    this.eventBus.on(CloseViewEvent, () => this.closeMenu());
+
     this.createMenuElement();
   }
 
+  private closeMenu() {
+    if (this.isVisible) {
+      this.hideRadialMenu();
+    }
+
+    if (this.buildMenu.isVisible) {
+      this.buildMenu.hideMenu();
+    }
+  }
+
   private createMenuElement() {
     this.menuElement = d3
       .select(document.body)