/// <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 itemUseInfo = message.ReadItemUseInfo();
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 (itemUseInfo.FromLocation.Type == LocationType.Map)
{
// Turn to the item if it's not exactly the location.
if (player.Location != itemUseInfo.FromLocation)
{
var directionToThing = player.Location.DirectionTo(itemUseInfo.FromLocation);
this.ScheduleNewOperation(
this.Context.OperationFactory.Create(
OperationType.Turn,
new TurnToDirectionOperationCreationArguments(player, directionToThing)));
}
var locationDiff = itemUseInfo.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.UseItemAt(player, itemUseInfo.ItemClientId, itemUseInfo.FromLocation, itemUseInfo.Index));
}
/// <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 value tuple with a value indicating whether the handler intends to respond, and a collection of <see cref="IOutgoingPacket"/>s that compose that response.</returns>
public override (bool IntendsToRespond, IEnumerable <IOutgoingPacket> ResponsePackets) HandleRequest(INetworkMessage message, IConnection connection)
{
var itemUseInfo = message.ReadItemUseInfo();
var responsePackets = new List <IOutgoingPacket>();
if (!(this.CreatureFinder.FindCreatureById(connection.PlayerId) is IPlayer player))
{
return(false, null);
}
// player.ClearPendingActions();
// Before actually using the item, check if we're close enough to use it.
if (itemUseInfo.FromLocation.Type == LocationType.Map)
{
// Turn to the item if it's not exactly the location.
if (player.Location != itemUseInfo.FromLocation)
{
var directionToThing = player.Location.DirectionTo(itemUseInfo.FromLocation);
this.Game.PlayerRequest_TurnToDirection(player, directionToThing);
}
var locationDiff = itemUseInfo.FromLocation - player.Location;
if (locationDiff.Z != 0)
{
// it's on a different floor...
responsePackets.Add(new TextMessagePacket(MessageType.StatusSmall, "There is no way."));
}
else if (locationDiff.MaxValueIn2D > 1)
{
// Too far away to move it.
//var directions = this.Game.Pathfind(player.Location, itemMoveInfo.FromLocation, out Location retryLoc).ToArray();
//player.SetPendingAction(new MoveItemPlayerAction(player, itemMoveInfo, retryLoc));
//if (directions.Length > 0)
//{
// player.AutoWalk(directions);
//}
//else // we found no way...
//{
// responsePackets.Add(new TextMessagePacket(MessageType.StatusSmall, "There is no way."));
//}
responsePackets.Add(new TextMessagePacket(MessageType.StatusSmall, "Too far away, auto walk is not implemented yet."));
}
}
if (!responsePackets.Any() && !this.Game.PlayerRequest_UseItem(player, itemUseInfo.ItemClientId, itemUseInfo.FromLocation, itemUseInfo.FromStackPos, itemUseInfo.Index))
{
responsePackets.Add(new TextMessagePacket(MessageType.StatusSmall, "Sorry, not possible."));
}
return(responsePackets.Any(), responsePackets);
}
