public Play GetDecision(DecisionRequest currentDecision, InfoCollection infoStore)
{
//this.playerId = playerId;
//this.aiConfigStr = aiConfigStr;
//this.cache = genericGameCache;
this.currentDecision = currentDecision;
this.infoStore = infoStore;
//Set the random seed value here
if (aiRandomControl.DecisionRandomPerHandSeedEnabled)
{
//decimal distanceToDealer = (infoStore.GetInfoValue(InfoType.GP_DealerDistance_Byte) - 1) / (infoStore.GetInfoValue(InfoType.GP_NumActivePlayers_Byte) - 1);
//decimal currentWinPercentage = infoStore.GetInfoValue(InfoType.WR_CardsOnlyWinPercentage);
//decimal currentPotValue = infoStore.GetInfoValue(InfoType.BP_TotalPotAmount_Decimal);
var hashFunc = new Func <long, long>((long key) =>
{
key = (~key) + (key << 21); // key = (key << 21) - key - 1;
key = key ^ (key >> 24);
key = (key + (key << 3)) + (key << 8); // key * 265
key = key ^ (key >> 14);
key = (key + (key << 2)) + (key << 4); // key * 21
key = key ^ (key >> 28);
key = key + (key << 31);
return(key);
});
//long randomSeed = hashFunc((long)(7919 * (distanceToDealer + 1))) ^
// hashFunc((long)(currentWinPercentage * 100)) ^
// hashFunc((long)(currentPotValue * 991)) ^
// hashFunc(1 + currentDecision.Cache.getNumHandsPlayed());
//(randomGen as CMWCRandom).ReSeed(randomSeed);
//We can now seed based on the table and hand random number
(randomGen as CMWCRandom).ReSeed((long)(currentDecision.Cache.TableRandomNumber ^ hashFunc(currentDecision.Cache.CurrentHandRandomNumber()) ^ hashFunc(1 + currentDecision.Cache.getCurrentHandSeqIndex())));
}
//Validate the decision and then set the decision time if currently 0.
return(GetDecision());
}
private int DetermineAvailableInstance(DecisionRequest newRequest)
{
int selectedInstanceIndex;
int availableInstances;
int indexAvailableMask;
selectedInstanceIndex = -1;
lock (instanceSelector.locker)
{
availableInstances = instanceSelector.instancesIdle & int.MaxValue;
if (availableInstances > 0)
{
indexAvailableMask = 1;
selectedInstanceIndex = 0;
while (true)
{
if ((availableInstances & indexAvailableMask) > 0)
{
instanceSelector.instancesIdle = instanceSelector.instancesIdle ^ indexAvailableMask;
break;
}
else if (selectedInstanceIndex > aiInstanceList.Count)
{
throw new Exception("Loop error!");
}
selectedInstanceIndex++;
indexAvailableMask = indexAvailableMask << 1;
}
}
else
{
lock (decisionRequestQueue.SyncRoot)
decisionRequestQueue.Enqueue(newRequest);
}
}
return(selectedInstanceIndex);
}
public virtual void PrepareAIForDecision(DecisionRequest currentDecision)
{
this.currentDecision = currentDecision;
this.currentDecision.RequiredInfoTypeUpdateKey = GetUpdateKeyOrPreDecision();
this.currentDecision.RequiredInfoTypeUpdateConfigs = GetInfoUpdateConfigs();
}
/// <summary>
/// Initiaties a decision but overrides the player config using the specified serverType and configStr
/// </summary>
/// <param name="handId"></param>
/// <param name="playerId"></param>
/// <param name="genericGameCache"></param>
/// <returns></returns>
public Play GetDecision(long playerId, databaseCache genericGameCache, AIGeneration serverType, string aiConfigStr)
{
try
{
//Sort out the cacheTracker
CacheTracker.Instance.Update(playerId, genericGameCache);
if (serverType == AIGeneration.Undefined || aiConfigStr == null)
{
CacheTracker.Instance.PlayerAiConfig(playerId, genericGameCache.TableId, out serverType, out aiConfigStr);
}
DecisionRequest newRequest = new DecisionRequest(playerId, genericGameCache, serverType, aiConfigStr, AIManager.RunInSafeMode);
PreDecisionErrorChecking(newRequest.PlayerId, newRequest.Cache);
//For now we will just use the old method
//Determine an available AIInstance
int selectedInstanceIndex = DetermineAvailableInstance(newRequest);
//This could be done in a seperate thread
if (selectedInstanceIndex == -1)
{
//There were no available instances so we join the queue and wait
newRequest.WaitForDecision();
}
else
{
if (ConcurrencyMode.Concurrency == ConcurrencyMode.ConcurencyModel.MultiCore)
{
Task t = Task.Factory.StartNew(aiInstanceList[selectedInstanceIndex].HandleDecisionRequest, newRequest);
t.Wait();
}
else
{
aiInstanceList[selectedInstanceIndex].HandleDecisionRequest(newRequest);
}
}
Play aiAction = newRequest.DecisionPlay;
aiAction = SetDecisionTime(ValidatePlayerDecision(aiAction, newRequest.Cache));
return(aiAction);
}
catch (Exception ex)
{
instanceSelector.instancesIdle = 0;
for (int i = 0; i < aiInstanceList.Count; i++)
{
instanceSelector.instancesIdle = instanceSelector.instancesIdle | (1 << i);
}
genericGameCache.readLockCounter = 0;
string fileName = LogError.Log(ex, "PokerAIError");
genericGameCache.SaveToDisk("", fileName);
return(new Play(PokerAction.GeneralAIError, 0, 0, genericGameCache.getCurrentHandId(), playerId, ex.ToString(), 3));
}
throw new Exception("This point should never be reached.");
}
public void HandleDecisionRequest(object decisionRequestObject)
{
currentDecision = decisionRequestObject as DecisionRequest;
//Pick that aiServer from the available list
//Multiple threads can be accessing this list as it is only returning an object
//If the AIserver is not found we catch in the below exception and all hell breaks loose with errors!!
if (AIManager.RunInSafeMode)
{
if (!aiDictList.ContainsKey(currentDecision.ServerType))
{
throw new Exception("Required AI not added to AI list.");
}
}
//This gives the AI the starting config information as well as sets the first level
aiDictList[currentDecision.ServerType].PrepareAIForDecision(currentDecision);
//It's possible we have set the decision already in PrepareAIForDecision()
if (currentDecision.DecisionPlay == null)
{
if (!taskTrees.ContainsKey(currentDecision.RequiredInfoTypeUpdateKey))
{
taskTrees.Add(currentDecision.RequiredInfoTypeUpdateKey, new InfoProviderTaskTree(currentDecision.RequiredInfoTypeUpdateKey, infoProviderDictList));
}
selectedTaskTree = taskTrees[currentDecision.RequiredInfoTypeUpdateKey];
currentDecision.RequiredInfoTypeUpdateKey = selectedTaskTree.ActualKey;
UpdateProviders();
//In the future when we move to decision levels this area of the AIInstance is going to change to
//Get required info types
//Update Providers
//Get decision
//If decision is noAction go to the next step
//Get required info types
//Update providers
//Get decision etc etc etc
Play aiAction = aiDictList[currentDecision.ServerType].GetDecision(currentDecision, infoStore);
currentDecision.SetDecision(aiAction);
}
lock (instanceSelector.locker)
{
lock (decisionRequestQueue.SyncRoot)
{
if (decisionRequestQueue.Count == 0)
{
instanceSelector.instancesIdle = instanceSelector.instancesIdle | (1 << instanceNumber);
return;
}
else
{
this.currentDecision = decisionRequestQueue.Dequeue() as DecisionRequest;
Task.Factory.StartNew(HandleDecisionRequest, currentDecision);
return;
}
}
}
}
