AI-generated Baccarat simulation software

Option Explicit

Const DECK_SIZE As Integer = 52
Const TOTAL_DECKS As Integer = 8
Const MAX_ROUNDS_PER_SHOE As Long = 10
Const SHOES_TO_RUN As Long = 1000000

Dim shoe() As Integer
Dim cardIndex As Integer
Dim playerWins As Long
Dim bankerWins As Long
Dim ties As Long
Dim totalPlayerWins As Long
Dim totalBankerWins As Long
Dim totalTies As Long

' Initialize the shoe with 8 decks of cards
Sub InitializeShoe()
    Dim i As Integer, j As Integer, k As Integer
    Dim cardValue As Integer
    
    ReDim shoe(1 To TOTAL_DECKS * DECK_SIZE)
    k = 1
    For i = 1 To TOTAL_DECKS
        For j = 1 To DECK_SIZE
            cardValue = j Mod 13 ' Ace = 1, 2-9, 10, J, Q, K = 0
            If cardValue > 9 Then cardValue = 0 ' Face cards are 0
            shoe(k) = cardValue
            k = k + 1
        Next j
    Next i
    ShuffleShoe
    cardIndex = 1 ' Reset card index
End Sub

' Fisher-Yates Shuffle algorithm to shuffle the shoe
Sub ShuffleShoe()
    Dim i As Integer, j As Integer
    Dim temp As Integer
    For i = UBound(shoe) To 2 Step -1
        j = Int(Rnd * i) + 1
        temp = shoe(i)
        shoe(i) = shoe(j)
        shoe(j) = temp
    Next i
End Sub

' Draw a card from the shoe
Function DrawCard() As Integer
    If cardIndex > UBound(shoe) Then
        DrawCard = -1 ' No more cards to draw
    Else
        DrawCard = shoe(cardIndex)
        cardIndex = cardIndex + 1
    End If
End Function

' Calculate the total value of a hand
Function CalculateHandValue(cards As Collection) As Integer
    Dim total As Integer
    Dim card As Variant
    total = 0
    For Each card In cards
        total = (total + card) Mod 10 ' Baccarat only cares about last digit
    Next card
    CalculateHandValue = total
End Function

' Simulate a round of Baccarat
Function PlayBaccaratRound() As Boolean
    Dim playerHand As New Collection
    Dim bankerHand As New Collection
    Dim playerValue As Integer
    Dim bankerValue As Integer
    Dim playerThirdCard As Integer
    Dim bankerDraw As Boolean
    Dim card As Integer
    
    ' Deal two cards to Player
    card = DrawCard
    If card = -1 Then PlayBaccaratRound = False: Exit Function
    playerHand.Add card
    
    card = DrawCard
    If card = -1 Then PlayBaccaratRound = False: Exit Function
    playerHand.Add card
    
    ' Deal two cards to Banker
    card = DrawCard
    If card = -1 Then PlayBaccaratRound = False: Exit Function
    bankerHand.Add card
    
    card = DrawCard
    If card = -1 Then PlayBaccaratRound = False: Exit Function
    bankerHand.Add card
    
    ' Calculate initial hand values
    playerValue = CalculateHandValue(playerHand)
    bankerValue = CalculateHandValue(bankerHand)
    
    ' Check for natural hand (8 or 9) or if both hands have 6 or 7
    If playerValue >= 8 Or bankerValue >= 8 Or (playerValue = 6 Or playerValue = 7) And (bankerValue = 6 Or bankerValue = 7) Then
        GoTo DetermineWinner ' No more drawing; check winner directly
    End If
    
    ' Player draws a third card if needed
    If playerValue <= 5 Then
        playerThirdCard = DrawCard
        If playerThirdCard = -1 Then PlayBaccaratRound = False: Exit Function
        playerHand.Add playerThirdCard
        playerValue = CalculateHandValue(playerHand)
    Else
        playerThirdCard = -1 ' No third card drawn
    End If
    
    ' Banker draws a third card based on Baccarat rules
    bankerDraw = False
    If bankerValue <= 2 Then
        bankerDraw = True
    ElseIf bankerValue = 3 Then
        If playerThirdCard <> 8 Then bankerDraw = True
    ElseIf bankerValue = 4 Then
        If playerThirdCard >= 2 And playerThirdCard <= 7 Then bankerDraw = True
    ElseIf bankerValue = 5 Then
        If playerThirdCard >= 4 And playerThirdCard <= 7 Then bankerDraw = True
    ElseIf bankerValue = 6 Then
        If playerThirdCard = 6 Or playerThirdCard = 7 Then bankerDraw = True
    End If
    
    ' Banker draws third card if needed
    If bankerDraw Then
        card = DrawCard
        If card = -1 Then PlayBaccaratRound = False: Exit Function
        bankerHand.Add card
        bankerValue = CalculateHandValue(bankerHand)
    End If
    
DetermineWinner:
    ' Determine winner
    If playerValue > bankerValue Then
        playerWins = playerWins + 1
    ElseIf bankerValue > playerValue Then
        bankerWins = bankerWins + 1
    Else
        ties = ties + 1
    End If
    
    PlayBaccaratRound = True
End Function

' Main simulation procedure for a single shoe
Sub BaccaratSimulation()
    Dim result As Boolean
    Dim roundsPlayed As Long
    
    ' Initialize shoe
    InitializeShoe
    
    ' Reset results for this shoe
    playerWins = 0
    bankerWins = 0
    ties = 0
    roundsPlayed = 0
    
    ' Play rounds until reaching 70 rounds
    Do While roundsPlayed < MAX_ROUNDS_PER_SHOE
        result = PlayBaccaratRound
        If result Then
            roundsPlayed = roundsPlayed + 1
        Else
            Exit Do
        End If
    Loop
    
    ' Add the results of this shoe to the totals
    totalPlayerWins = totalPlayerWins + playerWins
    totalBankerWins = totalBankerWins + bankerWins
    totalTies = totalTies + ties
    
    ' Prepare for next shoe
    cardIndex = 1 ' Reset card index
    ShuffleShoe ' Shuffle for new shoe
End Sub

' Run simulation for a specified number of shoes
Sub RunMultipleShoes()
    Dim shoeNum As Long
    
    ' Initialize totals
    totalPlayerWins = 0
    totalBankerWins = 0
    totalTies = 0
    
    ' Run simulation for each shoe
    For shoeNum = 1 To SHOES_TO_RUN
        BaccaratSimulation
    Next shoeNum
    
    ' Display final results after all shoes
    MsgBox "Simulation complete!" & vbCrLf & _
           "Shoes Played: " & SHOES_TO_RUN & vbCrLf & _
           "Total Player Wins: " & totalPlayerWins & vbCrLf & _
           "Total Banker Wins: " & totalBankerWins & vbCrLf & _
           "Total Ties: " & totalTies & vbCrLf & _
           "Tie Percentage: " & Format((totalTies / (totalPlayerWins + totalBankerWins + totalTies)) * 100, "0.00") & "%"
End Sub