/// <summary>
/// Updates the task logic. Leads the human toward the action object and then lets him perform the action.
/// </summary>
/// <param name="gameTime">Game time</param>
public override void Update(GameTime gameTime)
{
if (gameTime.TotalGameTime - lastUpdatedWaypoints > RecomputeWaypointsTimeout && actionObject.Position.Quarter == Holder.Position.Quarter)
{
goStraightToObject = false;
Vector2 wayVect = (actionObject.Position.PositionInQuarter - Holder.Position.PositionInQuarter);
float direction = (wayVect.GetAngle() + 1 * MathHelper.PiOver2) % MathHelper.TwoPi;
Quadrangle viewLine = Quadrangle.CreateBand(Holder.Pivot.PositionInQuarter, direction, Holder.Size.X, wayVect.Length());
goStraightToObject = !Grid.IsInCollision(viewLine, c => !(c is Human));
if (!goStraightToObject)
{
RecomputeWaypoints(Holder.Position, actionObject.Position);
}
lastUpdatedWaypoints = gameTime.TotalGameTime;
}
if (goStraightToObject)
{
Holder.GoThisWay(actionObject.Position, (float)gameTime.ElapsedGameTime.TotalSeconds);
}
else
{
base.Update(gameTime);
}
if (actionObject.IsAvailableFor(Holder))
{
if (!started)
{
actionObject.StartAction(Holder, gameTime);
actionStart = gameTime.TotalGameTime;
started = true;
}
else
{
if (gameTime.TotalGameTime - actionStart > actionObject.ActionDuration)
{
actionObject.EndAction(Holder, gameTime);
complete = true;
}
}
}
else
{
if (WayPoints.Count == 0 && !IsComplete())
{
RecomputeWaypoints(Holder.Position, actionObject.Position);
lastUpdatedWaypoints = gameTime.TotalGameTime;
}
}
}