From ad3a8c8e2e34d821148bbec4955c7fc74eb577f1 Mon Sep 17 00:00:00 2001
From: Casper Warden <216465704+casperwardensl@users.noreply.github.com>
Date: Wed, 22 Nov 2023 02:09:57 +0000
Subject: [PATCH] Inventory item copy

---
 examples/Inventory/Inventory.ts |  8 ++++-
 lib/classes/InventoryItem.ts    | 61 +++++++++++++++++++++++++++++++++
 package-lock.json               |  4 +--
 package.json                    |  2 +-
 4 files changed, 71 insertions(+), 4 deletions(-)

diff --git a/examples/Inventory/Inventory.ts b/examples/Inventory/Inventory.ts
index f062635..06d9305 100644
--- a/examples/Inventory/Inventory.ts
+++ b/examples/Inventory/Inventory.ts
@@ -8,6 +8,7 @@ import { InventoryType } from '../../lib/enums/InventoryType';
 import { PermissionMask } from '../../lib/enums/PermissionMask';
 import { InventoryResponseEvent } from '../../lib/events/InventoryResponseEvent';
 import { InventoryOfferedEvent } from '../../lib/events/InventoryOfferedEvent';
+import { UUID } from '../../lib';
 
 class Inventory extends ExampleBot
 {
@@ -63,10 +64,15 @@ class Inventory extends ExampleBot
         }
 
         // Set notecard to transfer only
-
         exampleNotecard.permissions.nextOwnerMask = PermissionMask.Transfer | PermissionMask.Modify;
         await exampleNotecard.update();
 
+        // Make a copy of the notecard
+        const copy = await exampleNotecard.copyTo(exampleFolder, exampleNotecard.name + ' - The comeback ' + UUID.random().toString().substring(0, 8));
+
+        // Delete the copy
+        await copy.delete();
+
         let exampleScript = exampleFolder.items.find(f => f.name === exampleScriptName);
         if (exampleScript === undefined)
         {
diff --git a/lib/classes/InventoryItem.ts b/lib/classes/InventoryItem.ts
index 5b45849..3bd6d9e 100644
--- a/lib/classes/InventoryItem.ts
+++ b/lib/classes/InventoryItem.ts
@@ -1,6 +1,7 @@
 import * as LLSD from '@caspertech/llsd';
 import { Subscription } from 'rxjs';
 import * as builder from 'xmlbuilder';
+import * as crypto from 'crypto';
 import { GameObject } from '..';
 import { AssetType } from '../enums/AssetType';
 import { AssetTypeLL } from '../enums/AssetTypeLL';
@@ -28,6 +29,8 @@ import { Utils } from './Utils';
 import { UUID } from './UUID';
 import { Vector3 } from './Vector3';
 import Timeout = NodeJS.Timeout;
+import { CopyInventoryItemMessage } from './messages/CopyInventoryItem';
+import { BulkUpdateInventoryEvent } from '../events/BulkUpdateInventoryEvent';
 
 export class InventoryItem
 {
@@ -1109,6 +1112,64 @@ export class InventoryItem
         return this.agent.currentRegion.circuit.waitForAck(this.agent.currentRegion.circuit.sendMessage(msg, PacketFlags.Reliable), 10000);
     }
 
+    private async waitForCallbackID(callbackID: number): Promise<BulkUpdateInventoryEvent>
+    {
+        if (!this.agent)
+        {
+            throw new Error('No active agent');
+        }
+        return Utils.waitOrTimeOut<BulkUpdateInventoryEvent>(this.agent.currentRegion.clientEvents.onBulkUpdateInventoryEvent, 10000, (event: BulkUpdateInventoryEvent) =>
+        {
+            for (const item of event.itemData)
+            {
+                if (item.callbackID === callbackID)
+                {
+                    return FilterResponse.Finish;
+                }
+            }
+            return FilterResponse.NoMatch;
+        });
+    }
+
+    public async copyTo(target: InventoryFolder, name: string): Promise<InventoryItem>
+    {
+        const msg = new CopyInventoryItemMessage();
+        if (this.agent === undefined)
+        {
+            throw new Error('No active agent');
+        }
+        msg.AgentData = {
+            AgentID: this.agent.agentID,
+            SessionID: this.agent.currentRegion.circuit.sessionID
+        };
+
+        const bytes = crypto.randomBytes(4);
+        const callbackID = bytes.readUInt32LE(0);
+        msg.InventoryData = [{
+            CallbackID: callbackID,
+            OldAgentID: this.agent.agentID,
+            OldItemID: this.itemID,
+            NewFolderID: target.folderID,
+            NewName: Utils.StringToBuffer(name)
+        }];
+        this.agent.currentRegion.circuit.sendMessage(msg, PacketFlags.Reliable);
+        const cbMsg = await this.waitForCallbackID(callbackID);
+
+        for (const cbItem of cbMsg.itemData)
+        {
+            if (cbItem.callbackID === callbackID)
+            {
+                const item = await this.agent.inventory.fetchInventoryItem(cbItem.itemID);
+                if (item !== null)
+                {
+                    return item;
+                }
+            }
+        }
+
+        throw new Error('Unable to locate inventory item after copy');
+    }
+
     async updateScript(scriptAsset: Buffer): Promise<UUID>
     {
         if (this.agent === undefined)
diff --git a/package-lock.json b/package-lock.json
index 36bf3d7..12b5ba6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@caspertech/node-metaverse",
-  "version": "0.7.9",
+  "version": "0.7.11",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@caspertech/node-metaverse",
-      "version": "0.7.9",
+      "version": "0.7.11",
       "license": "MIT",
       "dependencies": {
         "@caspertech/llsd": "^1.0.5",
diff --git a/package.json b/package.json
index 2c92bc8..3d06dd8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@caspertech/node-metaverse",
-  "version": "0.7.9",
+  "version": "0.7.11",
   "description": "A node.js interface for Second Life.",
   "main": "dist/lib/index.js",
   "types": "dist/lib/index.d.ts",