public int GetClosestWaypointIndex(Vector3 position)
{
if (this.WaypointSet == null || this.WaypointSet.Points.Count == 0)
{
return(this.CurrentWaypointIndex);
}
Rust.Ai.WaypointSet.Waypoint item = this.WaypointSet.Points[this.CurrentWaypointIndex];
item.IsOccupied = false;
this.WaypointSet.Points[this.CurrentWaypointIndex] = item;
float single = Single.MaxValue;
int num = -1;
for (int i = 0; i < this.WaypointSet.Points.Count; i++)
{
Rust.Ai.WaypointSet.Waypoint waypoint = this.WaypointSet.Points[i];
if (waypoint.Transform != null)
{
float transform = (waypoint.Transform.position - position).sqrMagnitude;
if (transform < single)
{
single = transform;
num = i;
}
}
}
if (num >= 0)
{
return(num);
}
return(this.CurrentWaypointIndex);
}
public int GetNextWaypointIndex()
{
if (this.WaypointSet == null || this.WaypointSet.Points.Count == 0 || this.WaypointSet.Points[this.PeekNextWaypointIndex()].IsOccupied)
{
return(this.CurrentWaypointIndex);
}
int currentWaypointIndex = this.CurrentWaypointIndex;
if (currentWaypointIndex >= 0 && currentWaypointIndex < this.WaypointSet.Points.Count)
{
Rust.Ai.WaypointSet.Waypoint item = this.WaypointSet.Points[currentWaypointIndex];
item.IsOccupied = false;
this.WaypointSet.Points[currentWaypointIndex] = item;
}
Rust.Ai.WaypointSet.NavModes navMode = this.WaypointSet.NavMode;
if (navMode == Rust.Ai.WaypointSet.NavModes.Loop)
{
currentWaypointIndex++;
if (currentWaypointIndex >= this.WaypointSet.Points.Count)
{
currentWaypointIndex = 0;
}
else if (currentWaypointIndex < 0)
{
currentWaypointIndex = this.WaypointSet.Points.Count - 1;
}
}
else
{
if (navMode != Rust.Ai.WaypointSet.NavModes.PingPong)
{
throw new ArgumentOutOfRangeException();
}
currentWaypointIndex += this.WaypointDirection;
if (currentWaypointIndex >= this.WaypointSet.Points.Count)
{
currentWaypointIndex = this.CurrentWaypointIndex - 1;
this.WaypointDirection = -1;
}
else if (currentWaypointIndex < 0)
{
currentWaypointIndex = 0;
this.WaypointDirection = 1;
}
}
if (currentWaypointIndex >= 0 && currentWaypointIndex < this.WaypointSet.Points.Count)
{
Rust.Ai.WaypointSet.Waypoint waypoint = this.WaypointSet.Points[currentWaypointIndex];
waypoint.IsOccupied = true;
this.WaypointSet.Points[currentWaypointIndex] = waypoint;
}
return(currentWaypointIndex);
}
public void Tick(IHTNAgent npc, float deltaTime, float time)
{
NavMeshHit navMeshHit;
ScientistJunkpileContext npcContext = npc.AiDomain.NpcContext as ScientistJunkpileContext;
if (npcContext == null || npcContext.Domain.NavAgent == null)
{
return;
}
if (npcContext.Location == null || npcContext.Location.PatrolPointGroup == null)
{
return;
}
if (this.WaypointSet == null)
{
this.WaypointSet = npcContext.Location.PatrolPointGroup.GetComponent <Rust.Ai.WaypointSet>();
}
if (this.WaypointSet == null || this.WaypointSet.Points.Count == 0)
{
return;
}
if (npcContext.IsFact(Facts.IsReturningHome) || npcContext.IsFact(Facts.HasEnemyTarget) || npcContext.IsFact(Facts.NearbyAnimal) || !npcContext.IsFact(Facts.IsUsingTool))
{
this.isFollowingWaypoints = false;
this.hasAlreadyPassedOnPrevCheck = false;
return;
}
if (!this.isFollowingWaypoints)
{
if (!this.hasAlreadyPassedOnPrevCheck && (npcContext.GetPreviousFact(Facts.HasEnemyTarget) == 1 || npcContext.GetPreviousFact(Facts.NearbyAnimal) == 1) || this.isFirstTick)
{
this.CurrentWaypointIndex = this.GetClosestWaypointIndex(npcContext.BodyPosition);
if (!this.isFirstTick)
{
this.hasAlreadyPassedOnPrevCheck = true;
}
else
{
this.isFirstTick = false;
}
}
Rust.Ai.WaypointSet.Waypoint item = this.WaypointSet.Points[this.CurrentWaypointIndex];
if (item.Transform == null)
{
this.CurrentWaypointIndex = this.GetNextWaypointIndex();
this.isFollowingWaypoints = false;
return;
}
Vector3 transform = item.Transform.position;
if ((npcContext.Memory.TargetDestination - transform).sqrMagnitude > 0.1f && NavMesh.SamplePosition(transform + (Vector3.up * 2f), out navMeshHit, 4f, npcContext.Domain.NavAgent.areaMask))
{
item.Transform.position = navMeshHit.position;
npcContext.Domain.SetDestination(navMeshHit.position);
this.isFollowingWaypoints = true;
npcContext.SetFact(Facts.IsNavigating, true, true, true, true);
return;
}
}
float single = 2f;
float navAgent = npcContext.Domain.NavAgent.stoppingDistance * npcContext.Domain.NavAgent.stoppingDistance;
if ((npcContext.BodyPosition - npcContext.Memory.TargetDestination).sqrMagnitude > navAgent + single)
{
return;
}
this.CurrentWaypointIndex = this.GetNextWaypointIndex();
this.isFollowingWaypoints = false;
}
