public void Execute(IPluginProgressProvider progress)
{
//If the user selects plugin from the menu we can ask controller about currently selected node.
IServerNode currentlySelectedNode = Context.Controller.SelectedNode;
if (currentlySelectedNode == null)
{
MessageBox.Show("There is no node selected at the moment");
return;
}
// We want to ask for range, ev and equity of a current player to act.
// If it is not action node - we will show those values for OOP Player
IServerPlayer player;
// We can get the action player from currently selected node
if (currentlySelectedNode.ActionPlayer != null)
{
player = currentlySelectedNode.ActionPlayer;
}
else
{
// This is the way to get OOP player object from the API
player = this.Context.ServerUtils.OOP;
}
// We will get the weight, ev and equity of the single holding AsQs,
// average of all the holding in the AQ+ category
// and total for all hands
// We can construct a hand object by parsing single hand
PioViewerApi.Util.Hand asqs = new Hand("AQss");
// We can also parse range using utility method. Range object is a holder of hand, weight pairs
PioViewerApi.Util.IRange aqplus = this.Context.ServerUtils.CreateRange("AQ+");
//We will collect the information in the String Builder object.
StringBuilder result = new StringBuilder();
result.AppendLine("Basic report for " + player.Name + " in node " + currentlySelectedNode.NodeId);
// This is how you convert a hand to nice looking string, and get the human readable format of a range
result.AppendLine("Reporting range, EV and equity for " + asqs.ToUnicodeString() + " and subrange " + aqplus.ToSingleLineString());
// Ask solver for the range of a given player in a node
IRange range = this.Context.ServerWrapper.ShowRange(player, currentlySelectedNode);
// Ask solver for equity
EVRange equity = this.Context.ServerWrapper.CalcEquityInNode(player, currentlySelectedNode);
// Ask solver for EV
EVRange ev = this.Context.ServerWrapper.CalcEVInNode(player, currentlySelectedNode);
ReportRange(result, asqs, aqplus, range);
result.AppendLine("Equity:");
ReportEVEquity(result, equity, asqs, aqplus);
result.AppendLine("EV:");
ReportEVEquity(result, ev, asqs, aqplus);
MessageBox.Show(result.ToString(), "Tutorial 4");
}
private void ReportEVEquity(StringBuilder result, EVRange equity, Hand hand, IRange manyHands)
{
// EVRange class, which is a holder for EV and Equity results contains for each hand values of
// calculated EV, total number of matchups and total winnings.
// Except for some corner cases EV is equal Wins/ Matchups
double handEV = equity[hand].EV;
// Calculation of total EV for a given range we have to a be careful.
// We cannot simply average p out the EV's, because different hands have different weights.
// It is also not enough to simply weight them with the current range as this does not
// take into account the card removal effect. The proper way is to calculated weighted EV
// weighted by the number of different matchups the given hand will play.
// To do this we will sum the total winnings of all hands in the range and divide it by the total
// number of matchups played.
double rangeWins = 0;
double rangeMatchups = 0;
foreach (var singleCombo in manyHands)
{
EVHolder ev = equity[singleCombo];
// This is important consideration. Impossible hands are reported by the solver as 0 matchups and NaN Wins.
// We don't want to add NaNs to the running sum so we need this check
if (ev.Matchups > 0)
{
rangeWins += ev.Wins;
rangeMatchups += ev.Matchups;
}
}
//To calculate the total EV for all range we repeat the same process
double totalWins = 0;
double totalMatchups = 0;
foreach (var singleCombo in equity)
{
EVHolder ev = equity[singleCombo];
if (ev.Matchups > 0)
{
totalWins += ev.Wins;
totalMatchups += ev.Matchups;
}
}
result.AppendLine("for single hand " + hand.ToUnicodeString() + " = " + handEV);
result.AppendLine("for hands " + manyHands.ToSingleLineString() + " = " + (rangeWins / rangeMatchups));
result.AppendLine("total = " + (totalWins / totalMatchups));
}