[BREAKING CHANGES] - Add new commands module for the Friends list, add new events for friends online/offline, friend rights management, friend map lookup

lib/classes/commands/InventoryCommands.ts

@@ -1,5 +1,9 @@
 import {CommandsBase} from './CommandsBase';
 import {InventoryFolder} from '../InventoryFolder';
+import {ChatSourceType, InventoryOfferedEvent, PacketFlags, UUID, Vector3} from '../..';
+import {InstantMessageDialog} from '../../enums/InstantMessageDialog';
+import {ImprovedInstantMessageMessage} from '../messages/ImprovedInstantMessage';
+import {Utils} from '../Utils';
 
 export class InventoryCommands extends CommandsBase
 {
@@ -11,4 +15,61 @@ export class InventoryCommands extends CommandsBase
     {
         return this.agent.inventory.getRootFolderLibrary();
     }
-}
+    private async respondToInventoryOffer(event: InventoryOfferedEvent, response: InstantMessageDialog): Promise<void>
+    {
+        const agentName = this.agent.firstName + ' ' + this.agent.lastName;
+        const im: ImprovedInstantMessageMessage = new ImprovedInstantMessageMessage();
+
+        const folder = this.agent.inventory.findFolderForType(event.type);
+        const binary = Buffer.allocUnsafe(16);
+        folder.writeToBuffer(binary, 0);
+
+        im.AgentData = {
+            AgentID: this.agent.agentID,
+            SessionID: this.circuit.sessionID
+        };
+        im.MessageBlock = {
+            FromGroup: false,
+            ToAgentID: event.from,
+            ParentEstateID: 0,
+            RegionID: UUID.zero(),
+            Position: Vector3.getZero(),
+            Offline: 0,
+            Dialog: response,
+            ID: event.requestID,
+            Timestamp: Math.floor(new Date().getTime() / 1000),
+            FromAgentName: Utils.StringToBuffer(agentName),
+            Message: Utils.StringToBuffer(''),
+            BinaryBucket: binary
+        };
+        im.EstateBlock = {
+            EstateID: 0
+        };
+        const sequenceNo = this.circuit.sendMessage(im, PacketFlags.Reliable);
+        return await this.circuit.waitForAck(sequenceNo, 10000);
+    }
+
+    async acceptInventoryOffer(event: InventoryOfferedEvent): Promise<void>
+    {
+        if (event.source === ChatSourceType.Object)
+        {
+            return await this.respondToInventoryOffer(event, InstantMessageDialog.TaskInventoryAccepted);
+        }
+        else
+        {
+            return await this.respondToInventoryOffer(event, InstantMessageDialog.InventoryAccepted);
+        }
+    }
+
+    async rejectInventoryOffer(event: InventoryOfferedEvent): Promise<void>
+    {
+        if (event.source === ChatSourceType.Object)
+        {
+            return await this.respondToInventoryOffer(event, InstantMessageDialog.TaskInventoryDeclined);
+        }
+        else
+        {
+            return await this.respondToInventoryOffer(event, InstantMessageDialog.InventoryDeclined);
+        }
+    }
+}