public override void Update(Chunk chunk)
{
float dt = Game1.DeltaT;
Sprite.Update(dt);
ViewCone.UpdatePosition(Position);
ViewCone.Update(chunk);
}
public override void Update(Chunk chunk)
{
if (FlyingSound == null)
{
FlyingSound = Game.SoundEngine.Play("Enemy_DroneFly", Position, 1, true);
}
if (PositionKnown > 0)
{
--PositionKnown;
}
float dt = Game1.DeltaT;
Velocity = new Vector2();
switch (State)
{
case AIState.Patrolling:
if (MoveTo(WanderLocation, PatrolSpeed))
{
Wait();
}
break;
case AIState.Searching:
if (MoveTo(WanderLocation, SearchSpeed))
{
Velocity = new Vector2(0);
bool foundSearch = false;
for (int i = 0; i < WanderSearchAttempts; ++i)
{
if (FindWander(TargetLocation, PatrolRange, chunk))
{
foundSearch = true;
break;
}
}
if (!foundSearch)
{
if (Target(TargetLocation, chunk, AIState.Targeting))
{
FinishPath = () => { };
}
}
}
break;
case AIState.CursorySearching:
if (MoveTo(WanderLocation, PatrolSpeed))
{
Velocity = new Vector2(0);
bool foundSearch = false;
for (int i = 0; i < WanderSearchAttempts; ++i)
{
if (FindWander(TargetLocation, PatrolRange, chunk))
{
foundSearch = true;
break;
}
}
if (!foundSearch)
{
if (Target(TargetLocation, chunk, AIState.Investigating))
{
FinishPath = () => { };
}
}
}
StateTimer -= dt;
if (StateTimer <= 0)
{
Return(chunk);
}
break;
case AIState.Waiting:
StateTimer += dt;
if (StateTimer <= 0.05F * WaitTime)
{
}
if (StateTimer <= 0.25F * WaitTime)
{
Direction += dt * WaitAngularVelocity;
}
else if (StateTimer <= 0.3F * WaitTime)
{
}
else if (StateTimer <= 0.7F * WaitTime)
{
Direction -= dt * WaitAngularVelocity;
}
else if (StateTimer <= 0.75F * WaitTime)
{
}
else if (StateTimer <= 0.95F * WaitTime)
{
Direction += dt * WaitAngularVelocity;
}
else if (StateTimer <= WaitTime)
{
}
else
{
bool found = false;
for (int i = 0; i < WanderSearchAttempts; ++i)
{
if (FindWander(Spawn, PatrolRange, chunk))
{
found = true;
break;
}
}
if (!found)
{
Return(chunk);
}
else
{
State = AIState.Patrolling;
}
}
break;
case AIState.Targeting:
Vector2 nextPos = NextNode < Path.Count - 1 ? Path[NextNode] : TargetLocation;
if (MoveTo(nextPos, TargetSpeed))
{
Velocity = new Vector2();
++NextNode;
nextPos = NextNode < Path.Count - 1 ? Path[NextNode] : TargetLocation;
if (NextNode >= Path.Count)
{
Search(nextPos, chunk, float.PositiveInfinity);
}
else
{
MoveTo(nextPos, TargetSpeed);
}
}
break;
case AIState.Investigating:
if (MoveTo(Path[NextNode], SearchSpeed))
{
Velocity = new Vector2();
++NextNode;
if (NextNode >= Path.Count)
{
Search(Path[NextNode - 1], chunk, SearchTime, true);
}
else
{
MoveTo(Path[NextNode], SearchSpeed);
}
}
break;
case AIState.Returning:
if (MoveTo(Path[NextNode], PatrolSpeed))
{
++NextNode;
if (NextNode >= Path.Count)
{
Wait();
}
}
break;
}
if (Pathfinding != null)
{
if (Pathfinding.IsCompleted)
{
var newPath = Pathfinding.Result;
Pathfinding.Dispose();
Pathfinding = null;
if (newPath.Count > 1)
{
Path = newPath;
TargetLocation = Path.Last();
NextNode = 1;
}
State = NextState;
FinishPath.Invoke();
}
}
{ // Kill if touched.
if (!chunk.Level.Player.IsHiding &&
chunk.Level.Player.DeathTimer <= 0 &&
GetBoundingBox().Intersects(chunk.Level.Player.GetBoundingBox()))
{
chunk.Level.Player.Kill();
}
}
if (State == AIState.Targeting || State == AIState.Searching)
{
Sprite.Play("chase");
}
else
{
Sprite.Play("idle");
}
Position += dt * Velocity;
ViewCone.UpdatePosition(Position);
ViewCone.Middle = Direction;
ViewCone.Update(chunk);
AlertSignal.Update(dt);
Sprite.Update(dt);
FlyingSound.Position = Position;
base.Update(chunk);
}