public War()
{
InitializeComponent();
OverallStats = new GameStats();
num_iterations.Maximum = long.MaxValue;
num_threads.Value = num_threads.Maximum = Environment.ProcessorCount;
cb_dealfirst.Items.Add("Player");
cb_dealfirst.Items.Add("Computer");
cb_dealfirst.Items.Add("Every Other");
cb_dealfirst.Items.Add("Random");
// Select every other by default
cb_dealfirst.SelectedIndex = 2;
}
public void AddToStats(GameStats s)
{
Start = s.Time;
this.ComputerWeight += s.ComputerWeight;
this.ComputerWins += s.ComputerWins;
this.CorrectPred += s.CorrectPred;
this.Draws += s.Draws;
this.PlayerWeight += s.PlayerWeight;
this.PlayerWins += s.PlayerWins;
this.Turns += s.Turns;
}
// War Game Functions
//----------------------------------------------------------------------------------------------------------
private static void RunGame(GameStats g, List<Deck> CardDeck, Queue<Deck> PlayerDeck, Queue<Deck> ComputerDeck, bool FastShuffle, bool DealFirst)
{
if (FastShuffle)
CardDeck.FastShuffle();
else
CardDeck.Shuffle();
DealCards(PlayerDeck, ComputerDeck, CardDeck, DealFirst);
// Calculate hand weight for each player
foreach (Deck c in PlayerDeck)
g.PlayerWeight += c.Value - 8;
foreach (Deck c in ComputerDeck)
g.ComputerWeight += c.Value - 8;
// Create temporary deck to store cards in
List<Deck> Temp = new List<Deck>();
// Main game loop
ulong turns = 0;
while (PlayerDeck.Count > 0 && ComputerDeck.Count > 0)
{
turns++;
// Grab a card from each player
Deck PlayerCard = PlayerDeck.Dequeue();
Deck ComputerCard = ComputerDeck.Dequeue();
Temp.Add(PlayerCard);
Temp.Add(ComputerCard);
// Check to see who's card has a higher value
if (PlayerCard.Value > ComputerCard.Value)
CombineDecks(PlayerDeck, Temp);
else if (ComputerCard.Value > PlayerCard.Value)
CombineDecks(ComputerDeck, Temp);
else // tie
TieBreaker(PlayerDeck, ComputerDeck, Temp);
Temp.Clear();
}
if (PlayerDeck.Count == 0 && ComputerDeck.Count == 0) // There was a tie for every card!
g.Draws++;
else if (ComputerDeck.Count == 0)
g.PlayerWins++;
else
g.ComputerWins++;
g.Turns += turns;
}
// Threading functions
//----------------------------------------------------------------------------------------------------------
private void WarWorker_DoWork(object sender, DoWorkEventArgs e)
{
// Reset progress
Progress = 0;
// Start stopwatch
LastUpdated.Start();
// Record when the operation started
DateTime Start = DateTime.Now;
// Fetch the arguments array
List<object> Args = (List<object>)e.Argument;
// Get the number of threads
int WarThreads = (int)Args[4];
// Calculate the workload for each thread
long[] workload = new long[WarThreads];
long total = (long)Args[0];
long extra = total % WarThreads;
long perIteration = (total - extra) / WarThreads;
for(int i = 0; i < WarThreads; i++)
{
if (extra > 0)
{
workload[i] = perIteration + 1;
extra--;
}
else
workload[i] = perIteration;
}
// Start a parallel loop for each thread
Parallel.For(0, WarThreads, i =>
{
GameStats stat = new GameStats(Start);
// Create decks for each player, plus a deck to draw cards from
List<Deck> CardDeck = new List<Deck>();
Queue<Deck> PlayerDeck = new Queue<Deck>();
Queue<Deck> ComputerDeck = new Queue<Deck>();
// Pick who to deal cards to first
int dealFirst = (int)Args[1];
bool deal = Convert.ToBoolean(dealFirst);
// Add cards to the main deck
PopulateDeck(CardDeck, (bool)Args[3]);
long j = 0;
while (j < workload[i] && !WarWorker.CancellationPending)
{
// Determine who to deal if random or every other was choosen
if (dealFirst == 2)
deal = !deal;
else if (dealFirst == 3)
deal = Convert.ToBoolean(ThreadSafeRandom.ThisThreadsRandom.Next(0, 2));
RunGame(stat, CardDeck, PlayerDeck, ComputerDeck, (bool)Args[2], deal);
PlayerDeck.Clear();
ComputerDeck.Clear();
j++;
if (j % 100 == 0)
UpdateProgress(100);
}
if (!WarWorker.CancellationPending)
Finish(stat);
return;
});
if (WarWorker.CancellationPending)
e.Cancel = true;
}
// Stats
//----------------------------------------------------------------------------------------------------------
private void UpdateStats(GameStats stats)
{
if (stats.Total < 1)
return;
double PlayerAvg = (double)stats.PlayerWins / stats.Total * 100.0;
double ComputerAvg = (double)stats.ComputerWins / stats.Total * 100.0;
double DrawAvg = (double)stats.Draws / stats.Total * 100.0;
double PredictAvg = (double)stats.CorrectPred / stats.Total * 100.0;
double avgturns = stats.Turns / stats.Total;
// Update labels
lbl_cwin_val.Text = String.Format("{0} ({1:0.###}%)", stats.ComputerWins, ComputerAvg);
lbl_pwins_val.Text = String.Format("{0} ({1:0.###}%)", stats.PlayerWins, PlayerAvg);
lbl_draws_val.Text = String.Format("{0} ({1:0.###}%)", stats.Draws, DrawAvg);
lbl_compweight_val.Text = String.Format("{0:0.##}", (double)stats.ComputerWeight / stats.Total);
lbl_playerweight_val.Text = String.Format("{0:0.##}", (double)stats.PlayerWeight / stats.Total);
lbl_winnerweight_val.Text = String.Format("{0:0.#}%", PredictAvg);
lbl_sims_val.Text = String.Format("{0}", stats.Total);
lbl_turns_val.Text = String.Format("{0:0}", avgturns);
lbl_gametime_val.Text = String.Format("{0:0} µs", gameTime.TotalMilliseconds * 1000 / stats.Total);
}
private void Finish(GameStats s)
{
if (InvokeRequired)
{
BeginInvoke(new Action<GameStats>(Finish), new object[] { s });
return;
}
OverallStats.AddToStats(s);
}