1192 lines
No EOL
46 KiB
VB.net
1192 lines
No EOL
46 KiB
VB.net
Imports MySql.Data.MySqlClient
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Public Class frmConnect4Network
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'Declares the variable used to determine the horizontal coordinate of the square being used
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Dim x As Integer = 1
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'Declares the variable used to determine the vertical coordinate of the square being used
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Dim y As Integer = 1
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'Declares the array containing the coordinates of all the pictureboxes that make up the grid
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Dim Group(7, 6) As PictureBox
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'Declares the array containing the coordinates of the squares of the grid and what condition they are currently in
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'0 = Empty
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'1 = Red
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'2= Yellow
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'3 = Terminator
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Dim theGrid(7, 7) As Integer
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'Declares the array containing the number of the buttons for dropping counters
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Dim Buttons(7) As Button
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'Declares the class used for both players
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Public Class C4Play
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'Declares the variables used for storing the details of the Connect Four player
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Public Colour, Username, Fname, lname As String
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Public StudentID As Integer
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End Class
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'Declares the class used for both players' scores
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Public Class Score
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'Declares the variable used for storing score of the player
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Public ScoreNum As Integer
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'This subroutine runs when a player wins a game
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Public Sub Increase()
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'Increases the score by 1
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ScoreNum = ScoreNum + 1
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End Sub
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End Class
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'Creates two objects of the Score class, one for each player
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Dim RedScore As New Score
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Dim YellowScore As New Score
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'Creates two objects of the C4Play class, one for each player
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Dim RedPlayer As New C4Play
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Dim YellowPlayer As New C4Play
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'Declares the variable used to store the primary key of the question record in the database
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Dim QuestionID As Integer
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'Declares the y-coords for moving the current player label
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Dim StudentCurrLocationY As Integer = 35
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Dim OppStudentCurrLocationY As Integer = 140
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'Declares the variable used for detecting wins along the y-axis
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Dim Why As Integer
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'Declares the variable used to keep track of how many reds in a row there are
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Dim RedAddUp As Integer = 0
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'Declares the variable used to keep track of how many yellow in a row there are
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Dim YellowAddUp As Integer = 0
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'Declares the variable used to determine if a question was answered correctly
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Dim QCorrect As Boolean = False
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'Declares the variables used to store whether there is a winner or the game is a draw
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Dim Won As Boolean = False
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Dim Draw As Boolean = False
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'Declares the variable used to determine whose go it is
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Dim YourGo As Boolean
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'Subroutine runs on form load
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Private Sub frmConnect4Network_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
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'Runs the OpenDB subroutine
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OpenDB()
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'If the logged-in student is red...
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If LoggedInStudent.C4Player = "Red" Then
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'Populate the RedPlayer object with the logged-in student's details
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With RedPlayer
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.Colour = "Red"
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.Username = LoggedInStudent.Username
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.Fname = LoggedInStudent.Fname
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.lname = LoggedInStudent.Lname
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.StudentID = LoggedInStudent.StudentID
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End With
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'Populate the YellowPlayer object with the opponent student's details
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With YellowPlayer
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.Colour = "Yellow"
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.Username = OppStudent.Username
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.Fname = OppStudent.Fname
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.lname = OppStudent.Lname
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.StudentID = OppStudent.StudentID
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End With
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'But if the logged-in student is yellow...
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Else
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'Populate the RedPlayer object with the logged-in student's details
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With RedPlayer
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.Colour = "Red"
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.Username = OppStudent.Username
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.Fname = OppStudent.Fname
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.lname = OppStudent.Lname
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.StudentID = OppStudent.StudentID
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End With
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'Populate the YellowPlayer object with the opponent student's details
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With YellowPlayer
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.Colour = "Yellow"
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.Username = LoggedInStudent.Username
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.Fname = LoggedInStudent.Fname
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.lname = LoggedInStudent.Lname
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.StudentID = LoggedInStudent.StudentID
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End With
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End If
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'Runs the AccountSection subroutine
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AccountSection()
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'Runs the MakeGrid subroutine
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MakeGrid()
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'Runs the Terminators subroutine
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Terminators()
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'Declares the variables used to store the current horizontal and vertical coordinates of the grid
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Dim GridHor, GridVer As Integer
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'For each column of the grid...
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For GridHor = 1 To 7
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'For each square in that column...
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For GridVer = 1 To 6
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'Set the value to empty
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theGrid(GridHor, GridVer) = 0
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Next
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Next
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'Sets the scores to the defaults
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RedScore.ScoreNum = 0
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YellowScore.ScoreNum = 0
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Dim sql As String
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Dim dbcomm As MySqlCommand
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Dim dbread As MySqlDataReader
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'Builds SQL query to execute
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sql = "SELECT * FROM `tblconnect4` WHERE `GameID`=" & GameID & ";"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader
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While dbread.Read
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C4Player = dbread("CurrentPlayer")
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End While
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dbread.Close()
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CurrPlayer()
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'Hides the counter placing buttons
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btn1.Visible = False
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btn2.Visible = False
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btn3.Visible = False
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btn4.Visible = False
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btn5.Visible = False
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btn6.Visible = False
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btn7.Visible = False
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'If the logged-in student is the current player...
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If LoggedInStudent.C4Player = C4Player Then
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'Hides the question controls
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grpQuestion.Visible = True
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txtAnswer.Visible = True
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lblQuestion.Visible = True
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btnSubmit.Visible = True
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'Runs the Question subroutine
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Question()
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Else
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'Shows the question controls
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grpQuestion.Visible = False
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txtAnswer.Visible = False
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lblQuestion.Visible = False
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btnSubmit.Visible = False
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End If
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'Starts the update timer
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tmrUpdate.Enabled = True
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End Sub
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'Subroutine runs when called in DetectWinner subroutine
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Sub DatabaseDetails()
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'Declares the StreamWriter used to write to the game breakdown text files
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Dim writer As System.IO.StreamWriter
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Dim sql As String
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Dim dbcomm As MySqlCommand
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Dim dbread As MySqlDataReader
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'If the red player is the winner...
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If RedScore.ScoreNum = 1 Then
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If RedPlayer.Username = LoggedInStudent.Username Then
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'Builds SQL query to execute
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sql = "UPDATE `tblstudents` SET `Wins`=`Wins`+1 WHERE `Username`='" & RedPlayer.Username & "';"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader()
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dbread.Close()
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'Sets the path to where the log shall be generated, and the filename
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writer = My.Computer.FileSystem.OpenTextFileWriter(RedPlayer.Username & ".txt", True)
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'Writes the relevant data to the log
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writer.WriteLine(RedPlayer.Fname & " " & RedPlayer.lname & " beat " & YellowPlayer.Fname & " " & YellowPlayer.lname & " in Connect Four - " & TimeOfDay & " " & DateValue(Now))
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'Saves the log file
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writer.Close()
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ElseIf YellowPlayer.Username = LoggedInStudent.Username Then
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'Builds SQL query to execute
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sql = "UPDATE `tblstudents` SET `Losses`=`Losses`+1 WHERE `Username`='" & YellowPlayer.Username & "';"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader()
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dbread.Close()
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'Sets the path to where the log shall be generated, and the filename
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writer = My.Computer.FileSystem.OpenTextFileWriter(YellowPlayer.Username & ".txt", True)
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'Writes the relevant data to the log
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writer.WriteLine(YellowPlayer.Fname & " " & YellowPlayer.lname & " was beaten by " & RedPlayer.Fname & " " & RedPlayer.lname & " in Connect Four - " & TimeOfDay & " " & DateValue(Now))
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'Saves the log file
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writer.Close()
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End If
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'Resets the red score back to its default
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RedScore.ScoreNum = 0
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End If
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'However, if the yellow player is the winner...
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If YellowScore.ScoreNum = 1 Then
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If YellowPlayer.Username = LoggedInStudent.Username Then
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'Builds SQL query to execute
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sql = "UPDATE `tblstudents` SET `Wins`=`Wins`+1 WHERE `Username`='" & YellowPlayer.Username & "';"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader()
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dbread.Close()
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'Sets the path to where the log shall be generated, and the filename
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writer = My.Computer.FileSystem.OpenTextFileWriter(YellowPlayer.Username & ".txt", True)
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'Writes the relevant data to the log
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writer.WriteLine(YellowPlayer.Fname & " " & YellowPlayer.lname & " beat " & RedPlayer.Fname & " " & RedPlayer.lname & " in Connect Four - " & TimeOfDay & " " & DateValue(Now))
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'Saves the log file
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writer.Close()
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ElseIf RedPlayer.Username = LoggedInStudent.Username Then
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'Builds SQL query to execute
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sql = "UPDATE `tblstudents` SET `Losses`=`Losses`+1 WHERE `Username`='" & RedPlayer.Username & "';"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader()
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dbread.Close()
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'Sets the path to where the log shall be generated, and the filename
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writer = My.Computer.FileSystem.OpenTextFileWriter(RedPlayer.Username & ".txt", True)
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'Writes the relevant data to the log
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writer.WriteLine(RedPlayer.Fname & " " & RedPlayer.lname & " was beaten by " & YellowPlayer.Fname & " " & YellowPlayer.lname & " in Connect Four - " & TimeOfDay & " " & DateValue(Now))
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'Saves the log file
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writer.Close()
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End If
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'Resets the red score back to its default
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YellowScore.ScoreNum = 0
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End If
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'However, if the game is a draw...
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If Draw = True Then
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If RedPlayer.Username = LoggedInStudent.Username Then
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'Builds SQL query to execute
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sql = "UPDATE `tblstudents` SET `Draws`=`Draws`+1 WHERE `Username`='" & RedPlayer.Username & "';"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader()
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dbread.Close()
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'Sets the path to where the log shall be generated, and the filename
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writer = My.Computer.FileSystem.OpenTextFileWriter(RedPlayer.Username & ".txt", True)
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'Writes the relevant data to the log
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writer.WriteLine(RedPlayer.Fname & " " & RedPlayer.lname & " drew with " & YellowPlayer.Fname & " " & YellowPlayer.lname & " in Connect Four - " & TimeOfDay & " " & DateValue(Now))
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'Saves the log file
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writer.Close()
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ElseIf YellowPlayer.Username = LoggedInStudent.Username Then
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'Builds SQL query to execute
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sql = "UPDATE `tblstudents` SET `Draws`=`Draws`+1 WHERE `Username`='" & YellowPlayer.Username & "';"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader()
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dbread.Close()
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'Sets the path to where the log shall be generated, and the filename
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writer = My.Computer.FileSystem.OpenTextFileWriter(YellowPlayer.Username & ".txt", True)
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'Writes the relevant data to the log
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writer.WriteLine(YellowPlayer.Fname & " " & YellowPlayer.lname & " drew with " & RedPlayer.Fname & " " & RedPlayer.lname & " in Connect Four - " & TimeOfDay & " " & DateValue(Now))
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'Saves the log file
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writer.Close()
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End If
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End If
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End Sub
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'Subroutine runs when called in the ChangePlayer subroutine
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Sub CurrPlayer()
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'If the current player is red...
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If C4Player = "Red" Then
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'Places the current player label pointing to the red player
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lblCurrPlayer.Top = StudentCurrLocationY
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'However if the current player is yellow...
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Else
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'Places the current player label pointing to the yellow player
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lblCurrPlayer.Top = OppStudentCurrLocationY
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End If
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End Sub
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'Subroutine runs when called in form load subroutine
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Sub AccountSection()
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'Populates the player name labels with data and get a picture of each player
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lblStudentName.Text = RedPlayer.Fname & " " & RedPlayer.lname
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picStudent.ImageLocation = RedPlayer.Username & ".jpg"
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lblOppStudentName.Text = YellowPlayer.Fname & " " & YellowPlayer.lname
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picOppStudentPic.ImageLocation = YellowPlayer.Username & ".jpg"
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End Sub
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'Subroutine runs when called in form load subroutine
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Sub MakeGrid()
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'Ties the Buttons array with the button controls for dropping counters
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Buttons(1) = btn1
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Buttons(2) = btn2
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Buttons(3) = btn3
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Buttons(4) = btn4
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Buttons(5) = btn5
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Buttons(6) = btn6
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Buttons(7) = btn7
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'Ties the Group coordinates with the pictureboxes on the form
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Group(1, 1) = pb1dash1
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Group(1, 2) = pb1dash2
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Group(1, 3) = pb1dash3
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Group(1, 4) = pb1dash4
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Group(1, 5) = pb1dash5
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Group(1, 6) = pb1dash6
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Group(2, 1) = pb2dash1
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Group(2, 2) = pb2dash2
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Group(2, 3) = pb2dash3
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Group(2, 4) = pb2dash4
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Group(2, 5) = pb2dash5
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Group(2, 6) = pb2dash6
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Group(3, 1) = pb3dash1
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Group(3, 2) = pb3dash2
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Group(3, 3) = pb3dash3
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Group(3, 4) = pb3dash4
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Group(3, 5) = pb3dash5
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Group(3, 6) = pb3dash6
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Group(4, 1) = pb4dash1
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Group(4, 2) = pb4dash2
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Group(4, 3) = pb4dash3
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Group(4, 4) = pb4dash4
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Group(4, 5) = pb4dash5
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Group(4, 6) = pb4dash6
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Group(5, 1) = pb5dash1
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Group(5, 2) = pb5dash2
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Group(5, 3) = pb5dash3
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Group(5, 4) = pb5dash4
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Group(5, 5) = pb5dash5
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Group(5, 6) = pb5dash6
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Group(6, 1) = pb6dash1
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Group(6, 2) = pb6dash2
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Group(6, 3) = pb6dash3
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Group(6, 4) = pb6dash4
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Group(6, 5) = pb6dash5
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Group(6, 6) = pb6dash6
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Group(7, 1) = pb7dash1
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Group(7, 2) = pb7dash2
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Group(7, 3) = pb7dash3
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Group(7, 4) = pb7dash4
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Group(7, 5) = pb7dash5
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Group(7, 6) = pb7dash6
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End Sub
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'Subroutine runs when called in MakeGrid subroutine
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Sub NetworkCheckGrid()
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Dim sql As String
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Dim dbcomm As MySqlCommand
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Dim dbread As MySqlDataReader
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'Builds SQL query to execute
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sql = "SELECT * FROM `tblconnect4` WHERE `GameID`=" & GameID & ";"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader()
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While dbread.Read
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'For each column...
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For x = 1 To 7
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'For each square in the current column...
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For y = 1 To 6
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'If the current square is taken by the red player...
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If dbread(x & "," & y) = 1 Then
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'Update the graphics to reflect this
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theGrid(x, y) = 1
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Group(x, y).Image = My.Resources.red
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End If
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'If the current square is taken by the yellow player...
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If dbread(x & "," & y) = 2 Then
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'Update the graphics to reflect this
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theGrid(x, y) = 2
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Group(x, y).Image = My.Resources.yellow
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End If
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Next
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Next
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'For each column...
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For x = 1 To 7
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'If any buttons are disabled...
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If dbread("btn" & x) = 0 Then
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'Disabled them in the form
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Buttons(x).Enabled = False
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End If
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Next
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End While
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dbread.Close()
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'Resets x and y to their default values
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x = 1
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y = 1
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End Sub
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'Subroutine runs when called in form load subroutine
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Sub Terminators()
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'Sets the extra seventh horizontal line of squares in theGrid to terminators
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While y <> 8
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theGrid(y, 7) = 3
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y = y + 1
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End While
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'Sets x back to 1 for use later
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y = 1
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End Sub
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'Subroutine runs when called in button click subroutines
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Sub CounterPlace()
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Dim sql As String
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Dim dbcomm As MySqlCommand
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Dim dbread As MySqlDataReader
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'Runs down the column to find the next blank space
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While theGrid(x, y) = 0
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y = y + 1
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End While
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'Changes the next blank space into the current player's marker and claims the square for them
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If theGrid(x, 2) = 0 Then
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y = y - 1
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If C4Player = "Red" Then
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theGrid(x, y) = 1
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sql = "UPDATE `tblconnect4` SET `" & x & "," & y & "`='1' WHERE `GameID`=" & GameID & ";"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader()
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dbread.Close()
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Group(x, y).Image = My.Resources.red
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Else
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theGrid(x, y) = 2
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sql = "UPDATE `tblconnect4` SET `" & x & "," & y & "`='2' WHERE `GameID`=" & GameID & ";"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader()
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dbread.Close()
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Group(x, y).Image = My.Resources.yellow
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End If
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Else
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'If the only square left in the current row is the topmost one, the button disables after being pressed to seal off the column
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y = y - 2
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If C4Player = "Red" Then
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theGrid(x, y) = 1
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sql = "UPDATE `tblconnect4` SET `" & x & "," & y & "`='1' WHERE `GameID`=" & GameID & ";"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader()
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dbread.Close()
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Group(x, y).Image = My.Resources.red
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Else
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theGrid(x, y) = 2
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sql = "UPDATE `tblconnect4` SET `" & x & "," & y & "`='2' WHERE `GameID`=" & GameID & ";"
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dbcomm = New MySqlCommand(sql, DBConn)
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dbread = dbcomm.ExecuteReader()
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dbread.Close()
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Group(x, y).Image = My.Resources.yellow
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End If
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Buttons(x).Enabled = False
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sql = "UPDATE `tblconnect4` SET `btn" & x & "`='0' WHERE `GameID`=" & GameID & ";"
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dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
dbread.Close()
|
|
End If
|
|
|
|
'Runs the DetectWinner subroutine
|
|
DetectWinner()
|
|
|
|
'If the game is still on, runs the ChangePlayer subroutine
|
|
If Won = False Then
|
|
ChangePlayer()
|
|
End If
|
|
End Sub
|
|
|
|
'Subroutine runs when called in CounterPlace subroutine
|
|
Sub DetectWinner()
|
|
'Declares the variable used to determine number of spaces to the left of the last-placed counter
|
|
Dim SpacestoLeft As Integer
|
|
'Declares the variable used to determine number of spaces to the right of the last-placed counter
|
|
Dim SpacestoRight As Integer
|
|
'Declares the variable used to determine number of spaces above the last-placed counter
|
|
Dim SpacesAbove As Integer
|
|
'Declares the variable used to determine number of spaces below the last-placed counter
|
|
Dim SpacesBelow As Integer
|
|
|
|
Dim sql As String
|
|
Dim dbcomm As MySqlCommand
|
|
Dim dbread As MySqlDataReader
|
|
|
|
sql = "SELECT * FROM `tblconnect4` WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
|
|
While dbread.Read
|
|
'If the game has been won by red...
|
|
If dbread("Won") = 1 Then
|
|
'Ends the game, Red is the winner
|
|
tmrUpdate.Enabled = False
|
|
MsgBox("Red wins")
|
|
lblCurrPlayer.Visible = False
|
|
btnQuit.Visible = True
|
|
dbread.Close()
|
|
Exit Sub
|
|
'However if the game has been won by yellow...
|
|
ElseIf dbread("Won") = 2 Then
|
|
'Ends the game, Yellow is the winner
|
|
tmrUpdate.Enabled = False
|
|
MsgBox("Yellow wins")
|
|
lblCurrPlayer.Visible = False
|
|
btnQuit.Visible = True
|
|
dbread.Close()
|
|
Exit Sub
|
|
End If
|
|
End While
|
|
dbread.Close()
|
|
|
|
'///WIN CONDITIONS\\\
|
|
|
|
'/HORIZONTAL\
|
|
|
|
'Determines no. of spaces to left and right of last-placed coutner
|
|
SpacestoLeft = x - 1
|
|
SpacestoRight = 7 - x
|
|
|
|
'Runs along the row of the last-placed counter to see if there are four red or four yellows in a row
|
|
For HorizSquare As Integer = x - SpacestoLeft To x + SpacestoRight
|
|
If theGrid(HorizSquare, y) = 1 Then
|
|
YellowAddUp = 0
|
|
RedAddUp = RedAddUp + 1
|
|
'If there are four reds in a row horizontally...
|
|
If RedAddUp = 4 Then
|
|
'Gives the red player a win, pops up a messagebox, makes changes to the database and sets up the game to be reset
|
|
Won = True
|
|
tmrUpdate.Enabled = False
|
|
RedScore.Increase()
|
|
MsgBox("Red wins")
|
|
DatabaseDetails()
|
|
lblCurrPlayer.Visible = False
|
|
btnQuit.Visible = True
|
|
sql = "UPDATE `tblconnect4` SET `Won`='1' WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
dbread.Close()
|
|
Exit Sub
|
|
End If
|
|
End If
|
|
If theGrid(HorizSquare, y) = 2 Then
|
|
RedAddUp = 0
|
|
YellowAddUp = YellowAddUp + 1
|
|
'If there are four yellow in a row horizontally...
|
|
If YellowAddUp = 4 Then
|
|
'Gives the yellow player a win, pops up a messagebox, makes changes to the database and sets up the game to be reset
|
|
Won = True
|
|
tmrUpdate.Enabled = False
|
|
YellowScore.Increase()
|
|
MsgBox("Yellow wins")
|
|
DatabaseDetails()
|
|
lblCurrPlayer.Visible = False
|
|
btnQuit.Visible = True
|
|
sql = "UPDATE `tblconnect4` SET `Won`='2' WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
dbread.Close()
|
|
Exit Sub
|
|
End If
|
|
End If
|
|
If theGrid(HorizSquare, y) = 0 Then
|
|
RedAddUp = 0
|
|
YellowAddUp = 0
|
|
End If
|
|
Next
|
|
|
|
'/VERTICAL\
|
|
|
|
'Determines no. of spaces above and below the last-placed coutner
|
|
SpacesAbove = y - 1
|
|
SpacesBelow = 7 - y
|
|
|
|
'Runs down the column of the last-placed counter to see if there are four red or four yellows in a row
|
|
For VertSquare As Integer = y - SpacesAbove To y + SpacesBelow
|
|
If theGrid(x, VertSquare) = 1 Then
|
|
YellowAddUp = 0
|
|
RedAddUp = RedAddUp + 1
|
|
'If there are four reds in a row vertically...
|
|
If RedAddUp = 4 Then
|
|
'Gives the red player a win, pops up a messagebox, makes changes to the database and sets up the game to be reset
|
|
Won = True
|
|
tmrUpdate.Enabled = False
|
|
RedScore.Increase()
|
|
MsgBox("Red wins")
|
|
DatabaseDetails()
|
|
lblCurrPlayer.Visible = False
|
|
btnQuit.Visible = True
|
|
sql = "UPDATE `tblconnect4` SET `Won`='1' WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
dbread.Close()
|
|
Exit Sub
|
|
End If
|
|
End If
|
|
If theGrid(x, VertSquare) = 2 Then
|
|
RedAddUp = 0
|
|
YellowAddUp = YellowAddUp + 1
|
|
'If there are four yellow in a row vertically...
|
|
If YellowAddUp = 4 Then
|
|
'Gives the yellow player a win, pops up a messagebox, makes changes to the database and sets up the game to be reset
|
|
Won = True
|
|
tmrUpdate.Enabled = False
|
|
YellowScore.Increase()
|
|
MsgBox("Yellow wins")
|
|
DatabaseDetails()
|
|
lblCurrPlayer.Visible = False
|
|
btnQuit.Visible = True
|
|
sql = "UPDATE `tblconnect4` SET `Won`='2' WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
dbread.Close()
|
|
Exit Sub
|
|
End If
|
|
End If
|
|
If theGrid(x, VertSquare) = 0 Then
|
|
RedAddUp = 0
|
|
YellowAddUp = 0
|
|
End If
|
|
Next
|
|
|
|
'If a diagonal win in possible with the position of the last-placed counter...
|
|
If x < 5 Then
|
|
|
|
'/DIAGONAL BOTTOM-UP\
|
|
|
|
'Runs the Diag (Bottom-Up) Win Detection subroutine
|
|
DiagBUWin()
|
|
|
|
End If
|
|
|
|
'If a diagonal win in possible with the position of the last-placed counter...
|
|
If x > 3 Then
|
|
|
|
'/DIAGONAL TOP-DOWN\
|
|
|
|
'Runs the Diag (Top-Down) Win Detection subroutine
|
|
DiagTDWin()
|
|
|
|
End If
|
|
|
|
'If there is no winner...
|
|
If Won <> True Then
|
|
'Declares the variable used to keep track of how many blank squares there are left
|
|
Dim Blanks As Integer = 42
|
|
'Goes through the grid row-by-row, column-by-column, decrementing the blanks value when a non-blank square in encountered
|
|
For Why = 1 To 6
|
|
For x = 1 To 7
|
|
If theGrid(x, Why) <> 0 Then
|
|
Blanks = Blanks - 1
|
|
End If
|
|
Next
|
|
Next
|
|
'If there are no blanks left...
|
|
If Blanks = 0 Then
|
|
'Declares the game a draw, amends the database, sets the form up to reset
|
|
Draw = True
|
|
MsgBox("No-one wins, it's a draw")
|
|
DatabaseDetails()
|
|
lblCurrPlayer.Visible = False
|
|
btnQuit.Visible = True
|
|
End If
|
|
End If
|
|
End Sub
|
|
|
|
'Subroutine runs when called in DetectWinner subroutine
|
|
Sub DiagTDWin()
|
|
'Declares the varables used to run through the diagonals
|
|
Dim v, z, a, w As Integer
|
|
Dim sql As String
|
|
Dim dbcomm As MySqlCommand
|
|
Dim dbread As MySqlDataReader
|
|
|
|
'Sets the variables to their defaults
|
|
x = 1
|
|
v = x
|
|
a = x
|
|
z = x + 3
|
|
y = 1
|
|
|
|
'Runs through the diagonals to determine if there are four red or yellow counters in a row
|
|
For Why = 1 To 3
|
|
For x = 1 To 4
|
|
w = x
|
|
y = Why
|
|
If theGrid(x, y) = 1 Then
|
|
RedAddUp = 1
|
|
For v = a To z
|
|
x = x + 1
|
|
y = y + 1
|
|
If x < 8 Then
|
|
If theGrid(x, y) = 1 Then
|
|
RedAddUp = RedAddUp + 1
|
|
End If
|
|
'If there are four reds in a row diagonally...
|
|
If RedAddUp = 4 Then
|
|
'Gives the red player a win, pops up a messagebox, makes changes to the database and sets up the game to be reset
|
|
Won = True
|
|
tmrUpdate.Enabled = False
|
|
RedScore.Increase()
|
|
MsgBox("Red wins")
|
|
DatabaseDetails()
|
|
lblCurrPlayer.Visible = False
|
|
btnQuit.Visible = True
|
|
Sql = "UPDATE `tblconnect4` SET `Won`='1' WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(Sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
dbread.Close()
|
|
Exit Sub
|
|
End If
|
|
End If
|
|
Next
|
|
End If
|
|
|
|
If theGrid(w, y) = 2 Then
|
|
YellowAddUp = 1
|
|
For v = a To z
|
|
w = w + 1
|
|
y = y + 1
|
|
If w < 8 Then
|
|
If theGrid(w, y) = 1 Then
|
|
YellowAddUp = YellowAddUp + 1
|
|
End If
|
|
'If there are four yellow in a row diagonally...
|
|
If YellowAddUp = 4 Then
|
|
'Gives the yellow player a win, pops up a messagebox, makes changes to the database and sets up the game to be reset
|
|
Won = True
|
|
tmrUpdate.Enabled = False
|
|
YellowScore.Increase()
|
|
MsgBox("Yellow wins")
|
|
DatabaseDetails()
|
|
lblCurrPlayer.Visible = False
|
|
btnQuit.Visible = True
|
|
Sql = "UPDATE `tblconnect4` SET `Won`='2' WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(Sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
dbread.Close()
|
|
Exit Sub
|
|
End If
|
|
End If
|
|
Next
|
|
End If
|
|
Next
|
|
Next
|
|
|
|
|
|
|
|
'Resets the values to their defaults
|
|
RedAddUp = 0
|
|
YellowAddUp = 0
|
|
End Sub
|
|
|
|
'Subroutine runs when called in DetectWinner subroutine
|
|
Sub DiagBUWin()
|
|
'Declares the varables used to run through the diagonals
|
|
Dim v, z, a, w As Integer
|
|
Dim sql As String
|
|
Dim dbcomm As MySqlCommand
|
|
Dim dbread As MySqlDataReader
|
|
|
|
|
|
'Sets the variables to their defaults
|
|
x = 1
|
|
v = x
|
|
a = x
|
|
z = x + 3
|
|
y = 6
|
|
|
|
'Runs through the diagonals to determine if there are four red or yellow counters in a row
|
|
For Why = 4 To 6
|
|
For x = 1 To 4
|
|
w = x
|
|
y = Why
|
|
If theGrid(x, y) = 1 Then
|
|
RedAddUp = 1
|
|
For v = a To z
|
|
x = x + 1
|
|
y = y - 1
|
|
If x < 8 Then
|
|
If theGrid(x, y) = 1 Then
|
|
RedAddUp = RedAddUp + 1
|
|
End If
|
|
'If there are four reds in a row diagonally...
|
|
If RedAddUp = 4 Then
|
|
'Gives the red player a win, pops up a messagebox, makes changes to the database and sets up the game to be reset
|
|
Won = True
|
|
tmrUpdate.Enabled = False
|
|
RedScore.Increase()
|
|
MsgBox("Red wins")
|
|
DatabaseDetails()
|
|
lblCurrPlayer.Visible = False
|
|
btnQuit.Visible = True
|
|
Sql = "UPDATE `tblconnect4` SET `Won`='1' WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(Sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
dbread.Close()
|
|
Exit Sub
|
|
End If
|
|
End If
|
|
Next
|
|
End If
|
|
|
|
If theGrid(w, y) = 2 Then
|
|
YellowAddUp = 1
|
|
For v = a To z
|
|
w = w + 1
|
|
y = y - 1
|
|
If w < 8 Then
|
|
If theGrid(w, y) = 1 Then
|
|
YellowAddUp = YellowAddUp + 1
|
|
End If
|
|
'If there are four yellows in a row diagonally...
|
|
If YellowAddUp = 4 Then
|
|
'Gives the yellow player a win, pops up a messagebox, makes changes to the database and sets up the game to be reset
|
|
Won = True
|
|
tmrUpdate.Enabled = False
|
|
YellowScore.Increase()
|
|
MsgBox("Yellow wins")
|
|
DatabaseDetails()
|
|
lblCurrPlayer.Visible = False
|
|
btnQuit.Visible = True
|
|
Sql = "UPDATE `tblconnect4` SET `Won`='2' WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(Sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
dbread.Close()
|
|
Exit Sub
|
|
End If
|
|
End If
|
|
Next
|
|
End If
|
|
Next
|
|
Next
|
|
|
|
'Resets the values to their defaults
|
|
RedAddUp = 0
|
|
YellowAddUp = 0
|
|
End Sub
|
|
|
|
'Subroutines run when their respective buttons are clicked
|
|
Private Sub btn1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn1.Click
|
|
'Sets x to the x-coord of the selected column
|
|
x = 1
|
|
'Runs the CounterPlace subroutine
|
|
CounterPlace()
|
|
End Sub
|
|
Private Sub btn2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn2.Click
|
|
x = 2
|
|
CounterPlace()
|
|
End Sub
|
|
Private Sub btn3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn3.Click
|
|
x = 3
|
|
CounterPlace()
|
|
End Sub
|
|
Private Sub btn4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn4.Click
|
|
x = 4
|
|
CounterPlace()
|
|
End Sub
|
|
Private Sub btn5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn5.Click
|
|
x = 5
|
|
CounterPlace()
|
|
End Sub
|
|
Private Sub btn6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn6.Click
|
|
x = 6
|
|
CounterPlace()
|
|
End Sub
|
|
Private Sub btn7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn7.Click
|
|
x = 7
|
|
CounterPlace()
|
|
End Sub
|
|
|
|
'Subroutine runs when back button is clicked
|
|
Private Sub btnBack_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBack.Click
|
|
'Shows the Connect Four menu
|
|
frmConnect4Menu.Show()
|
|
'Closes this form
|
|
Me.Close()
|
|
End Sub
|
|
|
|
'Subroutine runs when called in ChangePlayer and btnReset_Click subroutines
|
|
Sub Question()
|
|
Dim sql As String
|
|
Dim dbcomm As MySqlCommand
|
|
Dim dbread As MySqlDataReader
|
|
|
|
sql = "SELECT * FROM `tblconnect4` WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
|
|
While dbread.Read
|
|
'Gets the question parameters of the current game
|
|
C4HSubject = dbread("C4NSubject")
|
|
C4HDifficulty = dbread("C4NDifficulty")
|
|
C4HTopic = dbread("C4NTopic")
|
|
End While
|
|
|
|
'Closes the recordset
|
|
dbread.Close()
|
|
|
|
sql = "SELECT * FROM `tblquestions` WHERE `SubjectID`='" & C4HSubject & "' AND `Difficulty`='" & C4HDifficulty & "' AND `Topic`='" & C4HTopic & "' ORDER BY RAND() LIMIT 1;"
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
|
|
While dbread.Read
|
|
'Sets the QuestionID variable to that of the selected question
|
|
QuestionID = dbread("QuestionID")
|
|
|
|
'Displays the selected question
|
|
lblQuestion.Text = dbread("Question")
|
|
End While
|
|
'Closes the recordset
|
|
dbread.Close()
|
|
End Sub
|
|
|
|
'Subroutine runs when called in form load and CounterPlace subroutines
|
|
Sub ChangePlayer()
|
|
'Sets x & y back to 1 for use later
|
|
x = 1
|
|
y = 1
|
|
|
|
'Changes the current player
|
|
If C4Player = "Red" Then
|
|
If LoggedInStudent.C4Player = "Yellow" Then
|
|
YourGo = True
|
|
Else
|
|
YourGo = False
|
|
End If
|
|
|
|
C4Player = "Yellow"
|
|
CurrPlayer()
|
|
Else
|
|
If LoggedInStudent.C4Player = "Red" Then
|
|
YourGo = True
|
|
Else
|
|
YourGo = False
|
|
End If
|
|
|
|
C4Player = "Red"
|
|
CurrPlayer()
|
|
End If
|
|
|
|
'If the logged-in player is up...
|
|
If YourGo = True Then
|
|
'Displays the question controls
|
|
grpQuestion.Visible = True
|
|
txtAnswer.Visible = True
|
|
lblQuestion.Visible = True
|
|
btnSubmit.Visible = True
|
|
|
|
'Runs the Question subroutine
|
|
Question()
|
|
Else
|
|
'Hides the question controls
|
|
grpQuestion.Visible = False
|
|
txtAnswer.Visible = False
|
|
lblQuestion.Visible = False
|
|
btnSubmit.Visible = False
|
|
End If
|
|
|
|
Dim sql As String
|
|
Dim dbcomm As MySqlCommand
|
|
Dim dbread As MySqlDataReader
|
|
|
|
sql = "UPDATE `tblconnect4` SET `CurrentPlayer`='" & C4Player & "' WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
dbread.Close()
|
|
|
|
'Hides the counter placing buttons
|
|
btn1.Visible = False
|
|
btn2.Visible = False
|
|
btn3.Visible = False
|
|
btn4.Visible = False
|
|
btn5.Visible = False
|
|
btn6.Visible = False
|
|
btn7.Visible = False
|
|
End Sub
|
|
|
|
'Subroutine runs when called in the tmrUpdate_Tick subroutine
|
|
Sub CheckPlayer()
|
|
Dim sql As String
|
|
Dim dbcomm As MySqlCommand
|
|
Dim dbread As MySqlDataReader
|
|
|
|
sql = "SELECT * FROM `tblconnect4` WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
|
|
While dbread.Read
|
|
'If the logged-in student and current player in the database are the same but the current player on the form isn't, changes the current player on the form
|
|
If LoggedInStudent.C4Player = "Red" Then
|
|
If dbread("CurrentPlayer") = "Red" Then
|
|
If C4Player = "Yellow" Then
|
|
dbread.Close()
|
|
ChangePlayer()
|
|
Exit Sub
|
|
End If
|
|
End If
|
|
ElseIf LoggedInStudent.C4Player = "Yellow" Then
|
|
If dbread("CurrentPlayer") = "Yellow" Then
|
|
If C4Player = "Red" Then
|
|
dbread.Close()
|
|
ChangePlayer()
|
|
Exit Sub
|
|
End If
|
|
End If
|
|
End If
|
|
End While
|
|
dbread.Close()
|
|
End Sub
|
|
|
|
'Subroutine runs then answer submit button is clicked
|
|
Private Sub btnSubmit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
|
|
Dim sql As String
|
|
Dim dbcomm As MySqlCommand
|
|
Dim dbread As MySqlDataReader
|
|
|
|
'Hides the question controls
|
|
grpQuestion.Visible = False
|
|
lblQuestion.Visible = False
|
|
txtAnswer.Visible = False
|
|
btnSubmit.Visible = False
|
|
|
|
sql = "SELECT * FROM `tblquestions` WHERE `QuestionID`='" & QuestionID & "';"
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
Dim z As Integer
|
|
If dbread.Read Then
|
|
'If the answer is correct...
|
|
If txtAnswer.Text = dbread("Answer") Then
|
|
dbread.Close()
|
|
z = 1
|
|
'Display a message box
|
|
MsgBox("Correct!")
|
|
|
|
'Sets the question correct flag to true
|
|
QCorrect = True
|
|
|
|
'Makes the counter placement buttons visible
|
|
btn1.Visible = True
|
|
btn2.Visible = True
|
|
btn3.Visible = True
|
|
btn4.Visible = True
|
|
btn5.Visible = True
|
|
btn6.Visible = True
|
|
btn7.Visible = True
|
|
|
|
'Runs the QDatabase subroutine
|
|
QDatabase()
|
|
'However if the answer if incorrect...
|
|
Else
|
|
dbread.Close()
|
|
z = 0
|
|
'Display a message box
|
|
MsgBox("Incorrect!")
|
|
|
|
'Sets the question correct flag to false
|
|
QCorrect = False
|
|
|
|
'Runs the QDatabase subroutine
|
|
QDatabase()
|
|
'Runs the ChangePlayer subroutine
|
|
ChangePlayer()
|
|
End If
|
|
End If
|
|
|
|
'Blanks the answer textbox for the next question
|
|
txtAnswer.Text = ""
|
|
End Sub
|
|
|
|
'Subroutine runs when called in btnSubmit_Click subroutine
|
|
Sub QDatabase()
|
|
Dim sql As String
|
|
Dim dbcomm As MySqlCommand
|
|
Dim dbread As MySqlDataReader
|
|
|
|
If C4Player = "Red" Then
|
|
If LoggedInStudent.C4Player = "Red" Then
|
|
sql = "INSERT INTO `cl51-ben`.`tblattempted` (`SubjectID`, `QuestionID`, `StudentID`, `When`, `Correct`) VALUES ('" & C4HSubject & "', '" & QuestionID & "', '" & RedPlayer.StudentID & "', '" & TimeOfDay & " " & DateValue(Now) & "', "
|
|
Else
|
|
sql = "INSERT INTO `cl51-ben`.`tblattempted` (`SubjectID`, `QuestionID`, `StudentID`, `When`, `Correct`) VALUES ('" & C4HSubject & "', '" & QuestionID & "', '" & YellowPlayer.StudentID & "', '" & TimeOfDay & " " & DateValue(Now) & "', "
|
|
End If
|
|
Else
|
|
If LoggedInStudent.C4Player = "Yellow" Then
|
|
sql = "INSERT INTO `cl51-ben`.`tblattempted` (`SubjectID`, `QuestionID`, `StudentID`, `When`, `Correct`) VALUES ('" & C4HSubject & "', '" & QuestionID & "', '" & LoggedInStudent.StudentID & "', '" & TimeOfDay & " " & DateValue(Now) & "', "
|
|
Else
|
|
sql = "INSERT INTO `cl51-ben`.`tblattempted` (`SubjectID`, `QuestionID`, `StudentID`, `When`, `Correct`) VALUES ('" & C4HSubject & "', '" & QuestionID & "', '" & OppStudent.StudentID & "', '" & TimeOfDay & " " & DateValue(Now) & "', "
|
|
End If
|
|
End If
|
|
If QCorrect = True Then
|
|
sql = sql & "'1');"
|
|
Else
|
|
sql = sql & "'0');"
|
|
End If
|
|
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
|
|
'Resets the question correct flag
|
|
QCorrect = False
|
|
|
|
dbread.Close()
|
|
End Sub
|
|
|
|
'Subroutine runs then the quit button is clicked
|
|
Private Sub btnQuit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnQuit.Click
|
|
Dim sql As String
|
|
Dim dbcomm As MySqlCommand
|
|
Dim dbread As MySqlDataReader
|
|
|
|
sql = "DELETE FROM `tblconnect4` WHERE `GameID`=" & GameID & ";"
|
|
dbcomm = New MySqlCommand(sql, DBConn)
|
|
dbread = dbcomm.ExecuteReader()
|
|
dbread.Close()
|
|
|
|
frmConnect4NetworkLobby.Show()
|
|
Me.Close()
|
|
End Sub
|
|
|
|
'Subroutine runs every time the update timer ticks
|
|
Private Sub tmrUpdate_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tmrUpdate.Tick
|
|
'Runs the NetworkCheckGrid subroutine
|
|
NetworkCheckGrid()
|
|
'Runs the DetectWinner subroutine
|
|
DetectWinner()
|
|
'Runs the CheckPlayer subroutine
|
|
CheckPlayer()
|
|
End Sub
|
|
|
|
'Subroutine runs when view logged-in student's profile button is clicked
|
|
Private Sub btnViewProfile_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnViewProfile.Click
|
|
'If the logged-in student is the red player...
|
|
If LoggedInStudent.C4Player = "Red" Then
|
|
'Sets viewed profile to logged-in student's
|
|
Viewing = 1
|
|
'Shows the student account form
|
|
frmStudentAccount.Show()
|
|
Else
|
|
'Sets viewed profile to opponent student's
|
|
Viewing = 2
|
|
'Shows the student account form
|
|
frmStudentAccount.Show()
|
|
End If
|
|
End Sub
|
|
|
|
'Subroutine runs when view opponent student's profile button is clicked
|
|
Private Sub btnOppViewProfile_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnOppViewProfile.Click
|
|
'If the logged-in student is the red player...
|
|
If LoggedInStudent.C4Player = "Red" Then
|
|
'Sets viewed profile to opponent student's
|
|
Viewing = 2
|
|
'Shows the student account form
|
|
frmStudentAccount.Show()
|
|
Else
|
|
'Sets viewed profile to logged-in student's
|
|
Viewing = 1
|
|
'Shows the student account form
|
|
frmStudentAccount.Show()
|
|
End If
|
|
End Sub
|
|
|
|
End Class |