/// <summary>
/// Handles the contents of a network message.
/// </summary>
/// <param name="message">The message to handle.</param>
/// <param name="connection">A reference to the connection from where this message is comming from, for context.</param>
/// <returns>A collection of <see cref="IResponsePacket"/>s that compose that synchronous response, if any.</returns>
public override IEnumerable <IResponsePacket> HandleRequest(INetworkMessage message, IConnection connection)
{
var itemUseOnInfo = message.ReadItemUseOnInfo();
if (!(this.Context.CreatureFinder.FindCreatureById(connection.PlayerId) is IPlayer player))
{
return(null);
}
// Before actually using the item, check if we're close enough to use it.
if (itemUseOnInfo.FromLocation.Type == LocationType.Map)
{
// Turn to the item if it's not exactly the location.
if (player.Location != itemUseOnInfo.FromLocation)
{
var directionToThing = player.Location.DirectionTo(itemUseOnInfo.FromLocation);
this.ScheduleNewOperation(
this.Context.OperationFactory.Create(
OperationType.Turn,
new TurnToDirectionOperationCreationArguments(player, directionToThing)));
}
var locationDiff = itemUseOnInfo.FromLocation - player.Location;
if (locationDiff.Z != 0)
{
// it's on a different floor...
return(new TextMessagePacket(MessageType.StatusSmall, "There is no way.").YieldSingleItem());
}
}
return(this.UseItemAtOn(player, itemUseOnInfo.FromItemClientId, itemUseOnInfo.FromLocation, itemUseOnInfo.FromIndex, itemUseOnInfo.ToItemClientId, itemUseOnInfo.ToLocation, itemUseOnInfo.ToIndex));
}
/// <summary>
/// Handles the contents of a network message.
/// </summary>
/// <param name="message">The message to handle.</param>
/// <param name="connection">A reference to the connection from where this message is comming from, for context.</param>
public override void HandleRequest(INetworkMessage message, IConnection connection)
{
var useOnInfo = message.ReadItemUseOnInfo();
if (!(this.Game.GetCreatureWithId(connection.PlayerId) is IPlayer player))
{
return;
}
player.ClearPendingActions();
// Before actually using the item, check if we're close enough to use it.
if (useOnInfo.FromLocation.Type == LocationType.Ground)
{
var locationDiff = useOnInfo.FromLocation - player.Location;
if (locationDiff.Z != 0) // it's on a different floor...
{
this.ResponsePackets.Add(new TextMessagePacket(MessageType.StatusSmall, "There is no way."));
return;
}
if (locationDiff.MaxValueIn2D > 1)
{
// Too far away to use it.
var directions = this.Game.Pathfind(player.Location, useOnInfo.FromLocation, out Location retryLoc).ToArray();
player.SetPendingAction(new UseItemOnPlayerAction(player, useOnInfo, retryLoc));
if (directions.Length > 0)
{
player.AutoWalk(directions);
}
else // we found no way...
{
this.ResponsePackets.Add(new TextMessagePacket(MessageType.StatusSmall, "There is no way."));
}
return;
}
}
new UseItemOnPlayerAction(player, useOnInfo, useOnInfo.FromLocation).Perform();
}
