From 6e238cbfbb6e3b6666ecf1b1c8342e3415eb94d6 Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Mon, 13 Apr 2026 16:18:10 +0200
Subject: [PATCH] Update duplicate selection command to handle NPC entities

---
 src/commands/duplicate-selection-command.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/commands/duplicate-selection-command.ts b/src/commands/duplicate-selection-command.ts
index 339914b8..91bd1e43 100644
--- a/src/commands/duplicate-selection-command.ts
+++ b/src/commands/duplicate-selection-command.ts
@@ -4,7 +4,11 @@ import { cloneEditorSelection, type EditorSelection } from "../core/selection";
 import type { ToolMode } from "../core/tool-mode";
 import { cloneBoxBrush, type BoxBrush } from "../document/brushes";
 import type { SceneDocument } from "../document/scene-document";
-import { cloneEntityInstance, type EntityInstance } from "../entities/entity-instances";
+import {
+  cloneEntityInstance,
+  createNpcActorId,
+  type EntityInstance
+} from "../entities/entity-instances";
 
 import type { EditorCommand } from "./command";
 
@@ -24,6 +28,11 @@ function duplicateBrush(brush: BoxBrush): BoxBrush {
 function duplicateEntity(entity: EntityInstance): EntityInstance {
   const duplicatedEntity = cloneEntityInstance(entity);
   duplicatedEntity.id = createOpaqueId(`entity-${duplicatedEntity.kind}`);
+
+  if (duplicatedEntity.kind === "npc") {
+    duplicatedEntity.actorId = createNpcActorId();
+  }
+
   return duplicatedEntity;
 }