public override void Evaluate(RaceSpot myRs, RaceSpot[] rs)
{
Likelihood = 0;
double thisProgress = _Race.RaceType.PercentComplete(myRs);
double deltaProgress = thisProgress - _LastProgress;
// This is a proactive tactic, so we same the likelihood
double l = GetLikelihood(myRs);
double scaledLikelihood = l * (1.0 - Math.Exp(-AGGRESSIVE_ATTACKS_PER_RACE * 0.04 * deltaProgress));
// Use the score as a monte-carlo distribution
if (_Rnd.NextDouble() < scaledLikelihood)
{
// Am I in any sort of group and is that group going at less than my 5 minute pace
double breakSpeed = TurboTrainer.PowerNormalisedSpeed(_Motor.PowerBands[1]);
if (InGroup(myRs, rs) && myRs.s > 0 && myRs.s < breakSpeed)
{
// initial target speed = 15-30% of existing speed
// Target break - between 30 secs and 2.5 minutes
_StopTime = myRs.t + 30000 + (ulong)(120000 * _Rnd.NextDouble());
RequestedPower = _Motor.PowerBands[1]; // Break at 5 minute
Likelihood = l;
}
}
_LastProgress = thisProgress;
}
protected RaceSpot GroupLeader(RaceSpot myRs, RaceSpot[] rs)
{
RaceSpot leader = rs.Where(p => !p.f && !p.a && (p.d - myRs.d) > 0 && (p.d - myRs.d) < GROUP_DISTANCE_MTR).OrderByDescending(p => p.d).FirstOrDefault();
return leader;
}
protected double GetLikelihood(RaceSpot rs)
{
double likelihood = 0;
if (_LikelihoodPoints.Count > 0)
{
double pcnt = _Race.RaceType.PercentComplete(rs);
// Find two points that surround this percentage
TacticPoint before = _LikelihoodPoints.Where(p => p.PercentCompleted <= pcnt).OrderBy(p => p.PercentCompleted).LastOrDefault();
TacticPoint after = _LikelihoodPoints.Where(p => p.PercentCompleted > pcnt).OrderBy(p => p.PercentCompleted).FirstOrDefault();
if (after == null)
{
likelihood = before.Value;
}
else
{
double denom = (after.PercentCompleted - before.PercentCompleted);
double s = 0.5;
if (denom > 0.0)
{
s = (pcnt - before.PercentCompleted) * after.Value / denom;
}
likelihood = (1 - s) * before.Value + s * after.Value;
}
}
return likelihood;
}
public abstract void Update(RaceSpot myRs, RaceSpot[] rs);
private void ChooseTactic(RaceSpot myRs, RaceSpot[] rs)
{
double maxLikelihood = 0;
_CurrentTacticIdx = 0; // Default time trial tactic
for (int idx = 0; idx < _TacticsCompendium.Count; idx++)
{
_TacticsCompendium[idx].Evaluate(myRs, rs);
if (_TacticsCompendium[idx].Likelihood > maxLikelihood)
{
maxLikelihood = _TacticsCompendium[idx].Likelihood;
_CurrentTacticIdx = idx;
}
}
_ReviewTacticsTime = _TacticsCompendium[_CurrentTacticIdx].ReviewTime();
}
public override void Update(RaceSpot myRs, RaceSpot[] rs)
{
if (myRs.t > _StopTime)
{
// I'm knackered - call it off;
Likelihood = 0;
}
}
public override void Update(RaceSpot myRs, RaceSpot[] rs)
{
// I'm in the lead!
if (rs[0].id == _UserId)
{
Likelihood = 0; // Force cancellation
}
}
public override void Update(RaceSpot myRs, RaceSpot[] rs)
{
// Nothing to do here
}
private void Start(object state)
{
// set the start time before releasing the race logging
_raceStartTicks = Utilities.DbTime.ToUnsignedDbTicks(DateTime.UtcNow);
// Enable the race for all - define initial positions
int position = 1;
try
{
_SpotLock.EnterWriteLock();
foreach (Race.Participant p in Race.Participants)
{
if (p.Status == @"Scheduled")
{
// Initial spot data
Spot curSpot = new Spot();
curSpot.id = p.UserId;
curSpot.t = _raceStartTicks;
curSpot.s = 0;
curSpot.c = 0;
curSpot.h = 0;
curSpot.p = 0;
_Spots.Add(p.UserId, curSpot);
}
}
}
finally
{
_SpotLock.ExitWriteLock();
}
try
{
_RaceSpotLock.EnterWriteLock();
foreach (Race.Participant p in Race.Participants)
{
/////////////// Need to revist this!
if (p.Status == @"Scheduled")
{
// Initial Race data
RaceSpot curRaceSpot = new RaceSpot();
curRaceSpot.id = p.UserId;
curRaceSpot.d = 0;
curRaceSpot.t = 0;
curRaceSpot.s = 0;
curRaceSpot.c = 0;
curRaceSpot.k = 0;
curRaceSpot.p = 0;
curRaceSpot.e = 0;
curRaceSpot.h = 0;
curRaceSpot.b = 0;
curRaceSpot.i = 0;
curRaceSpot.v = 0;
curRaceSpot.f = false; // not finished
curRaceSpot.a = false; // not abandonned
curRaceSpot.pos = position++;
_RaceSpots.Add(p.UserId, curRaceSpot);
_RaceSpotHistory.Add(p.UserId, new Stack<RaceSpot>());
// Need to clone here or the stack will just contain a reference to the original
_RaceSpotHistory[p.UserId].Push(curRaceSpot.Copy());
}
}
// tell the db
Race.Start();
}
finally
{
_RaceSpotLock.ExitWriteLock();
}
// Attach the race Processors
CycliManager.Instance.AttachRiderProcessors(this, Race);
// Start the race
CycliManager.Instance.SendStartRace(Race);
// Start the updater thread
_UpdateRaceSpotTimer = new Timer(UpdateRaceSpotData, null, 0, 1000);
}
public override void Evaluate(RaceSpot myRs, RaceSpot[] rs)
{
Likelihood = 0; // Do not use unless it's going to work
int chasedIdx = 0;
while (rs[chasedIdx].id != _UserId && Likelihood == 0 && chasedIdx < rs.Length) // Last condition shouldn't be needed but is a backstop
{
if (!rs[chasedIdx].f && !rs[chasedIdx].a)
{
// Only go throgh the chase routine if the lead rider is outside the drafting region
double gap = rs[chasedIdx].d - myRs.d;
if (gap > GROUP_DISTANCE_MTR)
{
double speedDiff = myRs.s - rs[chasedIdx].s;
double speedDiffMPerSec = speedDiff * RaceType.KMPH_TO_M_PER_SEC;
double timeToFinish = _Race.RaceType.EstimatedTimeToFinish(rs[chasedIdx], rs[chasedIdx].s);
// Are we going to catch them anyway?
if (speedDiffMPerSec * timeToFinish < gap)
{
// No we're not - do something about it!
if (timeToFinish > 0)
{
double[] powers = _Motor.AvailablePower();
int bandIdx = _Motor.AlphaBands.Select(alpha => timeToFinish <= alpha).Count(p => p) - 1;
if (bandIdx < 0)
{
// Longer than 1 hour - scale the power
RequestedPower = _Motor.RecoverPower + _Motor.AlphaBands[0] * (powers[0] - _Motor.RecoverPower) / timeToFinish;
}
else
{
RequestedPower = powers[bandIdx];
}
// What speed will this give?
double maxSpeed = TurboTrainer.PowerNormalisedSpeed(RequestedPower);
double maxSpeedMPerSec = (maxSpeed - rs[chasedIdx].s) * RaceType.KMPH_TO_M_PER_SEC;
// Will this catch them?
if (speedDiffMPerSec * timeToFinish >= gap)
// Yes! Give it a go then
Likelihood = GetLikelihood(myRs);
}
}
}
}
chasedIdx++;
}
}
private int GetTargetValue(Race race, RaceSpot rs)
{
int v = int.MinValue;
float x = (float)this.Race.RaceType.PercentComplete(rs);
// scan the profile until we find the between
float y = _RaceProfile.GetYValue(x);
if (!float.IsNaN(y))
{
v = race.ProfileMin + (int)(0.01 * (float)(race.ProfileMax - race.ProfileMin) * y);
}
return v;
}
public RaceSpot Copy()
{
RaceSpot newrs = new RaceSpot();
newrs.id = id;
newrs.pos = pos;
newrs.pom = pom;
newrs.d = d;
newrs.t = t;
newrs.s = s;
newrs.g = g;
newrs.c = c;
newrs.h = h;
newrs.p = p;
newrs.e = e;
newrs.i = i;
newrs.v = v;
newrs.f = f;
newrs.a = a;
newrs.dp = dp;
return newrs;
}
private double ExecuteTactics(RaceSpot myRs, RaceSpot[] rs)
{
DateTime timeNow = DateTime.UtcNow;
if (_CurrentTacticIdx < 0 ||_ReviewTacticsTime < timeNow)
{
// Time to review
ChooseTactic(myRs, rs);
}
else
{
_TacticsCompendium[_CurrentTacticIdx].Update(myRs, rs);
// Some condition has been met in a simple update that forces a full review
if (_TacticsCompendium[_CurrentTacticIdx].Likelihood < 0.05) // We really should be looking again at this score
{
ChooseTactic(myRs, rs);
}
}
System.Diagnostics.Debug.WriteLine(string.Format("Virtual {0} {1} {2} {3} {4} {5}",
myRs.t,
this.UserName,
myRs.pos,
_TacticsCompendium[_CurrentTacticIdx].TacticName,
_TacticsCompendium[_CurrentTacticIdx].RequestedPower,
_Motor.Tank()));
return _TacticsCompendium[_CurrentTacticIdx].RequestedPower;
}
protected bool InGroup(RaceSpot myRs, RaceSpot[] rs)
{
// Are we in a group to break out?
int inGroup = 0;
foreach (RaceSpot r in rs)
{
if (Math.Abs(r.d - myRs.d) <= 10)
{
inGroup++;
}
}
return (inGroup >= 2);
}
public override void Update(RaceSpot myRs, RaceSpot[] rs)
{
throw new NotImplementedException();
}
public override void Evaluate(RaceSpot myRs, RaceSpot[] rs)
{
// Look at the available power band speeds to estimate
double[] powers = _Motor.AvailablePower();
double[] speeds = powers.Select(p => TurboTrainer.PowerNormalisedSpeed(p)).ToArray();
double[] timesToFinish = speeds.Select(s => _Race.RaceType.EstimatedTimeToFinish(myRs, s)).ToArray();
int bandIdx = _Motor.AlphaBands.Zip(timesToFinish, (alpha, t) => t <= alpha).Count(p => p)-1;
for (int j = 0; j < timesToFinish.Length; j++)
{
System.Diagnostics.Debug.WriteLine(string.Format("Timetrialing time to finish {0} {1:N2} {2:N2} {3:N2} {4:N2}", myRs.id, _Motor.AlphaBands[j], powers[j], speeds[j], timesToFinish[j]));
}
System.Diagnostics.Debug.WriteLine(string.Format("Timetrialing power index {0} {1} ", myRs.id, bandIdx));
double timeToFinish = timesToFinish[0];
if (bandIdx < 0)
{
// Longer than 1 hour - scale the power
RequestedPower = _Motor.RecoverPower + _Motor.AlphaBands[0] * (powers[0] -_Motor.RecoverPower) / timesToFinish[0];
}
else
{
timeToFinish = timesToFinish[bandIdx];
RequestedPower = powers[bandIdx];
}
if (timeToFinish < _goTime)
{
Likelihood = 1.0; // Force the final sprint
}
else
{
Likelihood = 0.1; // Low score - this is the default
}
}
public override void Evaluate(RaceSpot myRs, RaceSpot[] rs)
{
RequestedPower = _Motor.RecoverPower;
// Lowest likelihood
Likelihood = 0.1;
}
public override void Evaluate(RaceSpot myRs, RaceSpot[] rs)
{
// Nothing to do here - wheelsucking is an update by update action
Likelihood = 0.0;
RaceSpot hasLeader = GroupLeader(myRs, rs);
if (hasLeader != null)
{
// What's my optimum power
double leaderSpeed = hasLeader.s;
double leaderPower = TurboTrainer.StandardPower(leaderSpeed);
// For wheel sucking - only consider using 1hr power unless we're in the last 5 minutes
// Use the leader speed to judge
double timeToFinish = _Race.RaceType.EstimatedTimeToFinish(myRs, leaderSpeed);
double[] powers = _Motor.AvailablePower();
double optimalPower = 0;
int bandIdx = _Motor.AlphaBands.Select(alpha => timeToFinish <= alpha).Count(p => p) - 1;
if (bandIdx < 0)
{
// Longer than 1 hour - scale the power
RequestedPower = _Motor.RecoverPower + _Motor.AlphaBands[0] * (powers[0] - _Motor.RecoverPower) / timeToFinish;
}
else
{
optimalPower = powers[bandIdx];
}
// Not 1.0 as we may need to go for a sprint, or be condering a break
double wheelsuckPower = WHEELSUCK_POWER_FRAC * leaderPower;
if (wheelsuckPower <= optimalPower)
{
// An aggressive rider be
// (a) less likely to wheel suck
Likelihood = (1 - _Aggression);
// (b) break earlier
if (timeToFinish < _offTime)
{
Likelihood = 0;
}
RequestedPower = wheelsuckPower;
_leader = hasLeader;
}
}
}
public override void Update(RaceSpot myRs, RaceSpot[] rs)
{
// Not used
}
public override void Update(RaceSpot myRs, RaceSpot[] rs)
{
if (_leader != null)
{
double leaderPower = TurboTrainer.StandardPower(_leader.s);
RequestedPower = WHEELSUCK_POWER_FRAC * leaderPower;
}
}
/// <summary> /// </summary> /// <param name="rs"></param> /// <returns></returns> public abstract void Evaluate(RaceSpot myRs, RaceSpot[] rs);
public void SendLeaderboard(string raceId, RaceSpot[] rs)
{
try
{
_ConnectionProcessLock.EnterReadLock();
// Is the user connection
foreach (RaceSpot r in rs)
{
string connectionId;
if (_connections.TryGetValue(r.id, out connectionId))
{
Context.Clients.Client(connectionId).receiveLeaderboard(raceId, rs);
}
}
}
finally
{
_ConnectionProcessLock.ExitReadLock();
}
}
public void Finish(RaceSpot[] rss, Dictionary<string, Stack<RaceSpot>> history)
{
string sqlRiderUpdate = @"update cycli_race_riders set Position=@p, Distance=@d, Time=@t, Energy=@e, PedalStrokes=@k, Heartbeats=@b, TSS=@i " +
"where RaceId=@r and UserId=@u";
string sqlRaceUpdate = @"update cycli_races set Status='Finished' " +
"where RaceId=@r and Status='Started'";
SQLiteDatabase db = new SQLiteDatabase(true);
try
{
db.ExecuteNonQuery(sqlRaceUpdate, "@r", this.RaceId);
foreach (RaceSpot rs in rss)
{
db.ExecuteNonQuery(sqlRiderUpdate, "@p", rs.pos, "@d", rs.d, "@t", rs.t, "@e", (int)rs.e, "@k", (int)rs.k, "@b", (int)rs.b, "@i", (int)rs.i, "@r", this.RaceId, "@u", rs.id);
}
db.CommitTransaction();
}
catch (Exception ex)
{
try
{
db.RollbackTransaction();
}
catch (Exception ex1)
{
}
}
finally
{
// Don't need to close on a transaction
}
// Do points as a separate transaction
string raceSpotSql = @"insert into cycli_race_spots (UserId, RaceId, Time, Distance, Speed, Cadence, HR, Power) " +
"values (@u, @r, @t, @d, @s, @c, @h, @p)";
db = new SQLiteDatabase(true);
try
{
foreach (string userId in history.Keys)
{
Stack<RaceSpot> userHistory = history[userId];
foreach (RaceSpot rs in userHistory)
{
db.ExecuteNonQuery(raceSpotSql, "@r", this.RaceId, "@u", userId, "@t", rs.t, "@d", rs.d, "@s", rs.s, "@c", rs.c, "@h", rs.h, "@p", rs.p);
}
}
db.CommitTransaction();
}
catch (Exception ex)
{
try
{
db.RollbackTransaction();
}
catch (Exception ex1)
{
}
}
finally
{
}
// Mark the race as Finished
this.Status = @"Finished";
}
