138 lines
4.6 KiB
C#
138 lines
4.6 KiB
C#
using System;
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using System.Linq;
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using OpenMetaverse.Packets;
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namespace OpenMetaverse.TestClient
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{
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public class FollowCommand: Command
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{
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const float DISTANCE_BUFFER = 3.0f;
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uint targetLocalID = 0;
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public FollowCommand(TestClient testClient)
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{
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Name = "follow";
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Description = "Follow another avatar. Usage: follow [FirstName LastName]/off.";
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Category = CommandCategory.Movement;
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testClient.Network.RegisterCallback(PacketType.AlertMessage, AlertMessageHandler);
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}
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public override string Execute(string[] args, UUID fromAgentID)
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{
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// Construct the target name from the passed arguments
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string target = args.Aggregate(string.Empty, (current, t) => current + t + " ");
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target = target.TrimEnd();
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if (target.Length == 0 || target == "off")
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{
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Active = false;
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targetLocalID = 0;
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Client.Self.AutoPilotCancel();
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return "Following is off";
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}
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else
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{
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return Follow(target)
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? $"Following {target}."
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: $"Unable to follow {target}. Client may not be able to see the target avatar.";
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}
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}
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bool Follow(string name)
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{
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lock (Client.Network.Simulators)
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{
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foreach (var sim in Client.Network.Simulators)
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{
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Avatar target = sim.ObjectsAvatars.Find(
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avatar => avatar.Name == name
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);
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if (target != null)
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{
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targetLocalID = target.LocalID;
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Active = true;
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return true;
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}
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}
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}
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if (Active)
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{
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Client.Self.AutoPilotCancel();
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Active = false;
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}
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return false;
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}
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public override void Think()
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{
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if (Active)
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{
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// Find the target position
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lock (Client.Network.Simulators)
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{
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foreach (var t in Client.Network.Simulators)
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{
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Avatar targetAv;
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if (t.ObjectsAvatars.TryGetValue(targetLocalID, out targetAv))
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{
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float distance = 0.0f;
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if (t == Client.Network.CurrentSim)
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{
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distance = Vector3.Distance(targetAv.Position, Client.Self.SimPosition);
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}
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else
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{
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// FIXME: Calculate global distances
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}
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if (distance > DISTANCE_BUFFER)
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{
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uint regionX, regionY;
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Utils.LongToUInts(t.Handle, out regionX, out regionY);
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double xTarget = (double)targetAv.Position.X + (double)regionX;
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double yTarget = (double)targetAv.Position.Y + (double)regionY;
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double zTarget = targetAv.Position.Z - 2f;
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Logger.DebugLog(
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$"[Autopilot] {distance} meters away from the target, starting autopilot to <{xTarget},{yTarget},{zTarget}>", Client);
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Client.Self.AutoPilot(xTarget, yTarget, zTarget);
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}
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else
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{
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// We are in range of the target and moving, stop moving
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Client.Self.AutoPilotCancel();
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}
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}
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}
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}
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}
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base.Think();
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}
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private void AlertMessageHandler(object sender, PacketReceivedEventArgs e)
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{
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Packet packet = e.Packet;
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AlertMessagePacket alert = (AlertMessagePacket)packet;
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if (alert.AlertInfo.Length > 0)
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{
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string id = Utils.BytesToString(alert.AlertInfo[0].Message);
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if (id == "AutopilotCanceled")
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{
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Logger.Log("FollowCommand: " + Utils.BytesToString(alert.AlertData.Message),
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Helpers.LogLevel.Info, Client);
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}
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}
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}
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}
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}
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