private void MapToMapMovement(IOperationContext context, ITile sourceTile, ITile destinationTile, bool isTeleport)
{
var requestor = this.GetRequestor(context.CreatureManager);
IThing thingMoving = this.ThingMovingId == CreatureConstants.CreatureTypeId ? sourceTile.TopCreature : sourceTile.TopItem;
// Declare some pre-conditions.
var sourceTileIsNull = sourceTile == null;
var destinationHasGround = destinationTile?.Ground != null;
var thingExists = thingMoving != null;
var locationsMatch = thingMoving?.Location == this.FromLocation;
var isIntendedThing = this.ThingMovingId != CreatureConstants.CreatureTypeId ? thingMoving?.TypeId == this.ThingMovingId : (thingMoving as ICreature)?.Id == this.FromCreatureId;
var requestorInRange = requestor == null || (requestor.Location - this.FromLocation).MaxValueIn2D <= 1;
var canThrowBetweenLocations = isTeleport || requestor == null || context.Map.CanThrowBetweenLocations(this.FromLocation, this.ToLocation, checkLineOfSight: true);
if (sourceTileIsNull || !locationsMatch || !isIntendedThing)
{
// Silent fail.
return;
}
else if (!thingExists)
{
this.DispatchTextNotification(context, OperationMessage.MayNotMoveThis);
}
else if (!destinationHasGround || !canThrowBetweenLocations)
{
this.DispatchTextNotification(context, OperationMessage.MayNotThrowThere);
}
else if (thingMoving is ICreature creature)
{
var distanceBetweenLocations = this.FromLocation - this.ToLocation;
// More pre-conditions.
var creatureCanBeMoved = (thingMoving == requestor && requestor.CanWalk) || requestor.CanPush(creature);
var canThrowThatFar = isTeleport || requestor == null || (distanceBetweenLocations.MaxValueIn2D <= 1 && distanceBetweenLocations.Z == 0);
var creatureAvoidsDestination = !isTeleport && requestor != null && requestor != creature && destinationTile.IsPathBlocking(/*this.Requestor.DamageTypesToAvoid*/);
var destinationIsObstructed = !isTeleport && distanceBetweenLocations.Z == 0 && (destinationTile.BlocksLay || destinationTile.BlocksPass);
if (creatureAvoidsDestination)
{
this.DispatchTextNotification(context, OperationMessage.NotEnoughRoom);
}
else if (destinationIsObstructed)
{
if (requestor != null && creature.Id == this.RequestorId && creature is IPlayer player)
{
this.SendNotification(context, new PlayerCancelWalkNotification(player));
}
this.DispatchTextNotification(context, OperationMessage.NotEnoughRoom);
}
else if (!requestorInRange)
{
this.DispatchTextNotification(context, OperationMessage.TooFarAway);
}
else if (!canThrowThatFar)
{
this.DispatchTextNotification(context, OperationMessage.DestinationTooFarAway);
}
else if (!this.PerformCreatureMovement(context, creature, this.ToLocation, isTeleport, requestorCreature: requestor))
{
// Something else went wrong.
this.DispatchTextNotification(context);
}
else if (requestor is IPlayer player && this.ToLocation != player.Location && player != thingMoving)
{
var directionToDestination = player.Location.DirectionTo(this.ToLocation);
context.Scheduler.ScheduleEvent(new TurnToDirectionOperation(player, directionToDestination));
}
}
else if (thingMoving is IItem item)
{
var distanceBetweenLocations = (requestor?.Location ?? this.FromLocation) - this.ToLocation;
var distanceFromSource = (requestor?.Location ?? this.FromLocation) - this.FromLocation;
// More pre-conditions.
var itemCanBeMoved = item.CanBeMoved;
var sourceTileHasEnoughItemAmount = this.ThingMovingId == item.TypeId && item.Amount >= this.Amount;
var destinationIsObstructed = destinationTile.BlocksLay || (item.BlocksPass && destinationTile.BlocksPass);
var movementInRange = requestor == null || (distanceFromSource.MaxValueIn2D <= 1 && distanceFromSource.Z == 0 && (!item.Type.HasItemFlag(ItemFlag.BlocksWalk) || (distanceBetweenLocations.MaxValueIn2D <= 2 && distanceBetweenLocations.Z == 0)));
if (!itemCanBeMoved)
{
this.DispatchTextNotification(context, OperationMessage.MayNotMoveThis);
}
else if (destinationIsObstructed)
{
this.DispatchTextNotification(context, OperationMessage.MayNotThrowThere);
}
else if (!movementInRange)
{
this.DispatchTextNotification(context, OperationMessage.DestinationTooFarAway);
}
else if (!sourceTileHasEnoughItemAmount)
{
this.DispatchTextNotification(context, OperationMessage.NotEnoughQuantity);
}
else if (!this.PerformItemMovement(context, item, sourceTile, destinationTile, this.FromIndex, amountToMove: this.Amount, requestorCreature: requestor))
{
// Something else went wrong.
this.DispatchTextNotification(context);
}
else if (requestor is IPlayer player && this.ToLocation != player.Location && player != thingMoving)
{
var directionToDestination = player.Location.DirectionTo(this.ToLocation);
context.Scheduler.ScheduleEvent(new TurnToDirectionOperation(player, directionToDestination));
}
// TODO: Check if the item is an IContainerItem and, if it got moved, check if there are players that have it open that now are too far away from it.
}
}
