protected void GetRoute()
{
_routeCancelToken?.Cancel();
_routeCancelToken = new CancellationTokenSource();
Route.Clear();
int collisionMask;
if (!Owner.TryGetComponent(out CollidableComponent collidableComponent))
{
collisionMask = 0;
}
else
{
collisionMask = collidableComponent.CollisionMask;
}
var startGrid = _mapManager.GetGrid(Owner.Transform.GridID).GetTileRef(Owner.Transform.GridPosition);
var endGrid = _mapManager.GetGrid(TargetGrid.GridID).GetTileRef(TargetGrid);;
var access = AccessReader.FindAccessTags(Owner);
RouteJob = _pathfinder.RequestPath(new PathfindingArgs(
Owner.Uid,
access,
collisionMask,
startGrid,
endGrid,
PathfindingProximity
), _routeCancelToken.Token);
}
/// <summary>
/// Get appropriate args for a particular entity
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public static ReachableArgs GetArgs(IEntity entity)
{
var collisionMask = 0;
if (entity.TryGetComponent(out IPhysicsComponent physics))
{
collisionMask = physics.CollisionMask;
}
var access = AccessReader.FindAccessTags(entity);
var visionRadius = entity.GetComponent <AiControllerComponent>().VisionRadius;
return(new ReachableArgs(visionRadius, access, collisionMask));
}
public bool CanTraverse(IEntity entity, PathfindingNode node)
{
if (entity.TryGetComponent(out IPhysicsComponent physics) &&
(physics.CollisionMask & node.BlockedCollisionMask) != 0)
{
return(false);
}
var access = AccessReader.FindAccessTags(entity);
foreach (var reader in node.AccessReaders)
{
if (!reader.IsAllowed(access))
{
return(false);
}
}
return(true);
}
