Imports System
Imports System.IO
Public Class Form3


    Dim appPath As String = Application.StartupPath()

    Private IsFormBeingDragged As Boolean = False

    Private MouseDownX As Integer

    Private MouseDownY As Integer

    Dim z As String

    Private Sub Form3_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        For counter = 10 To 90 Step +20

            Me.Opacity = counter / 100

            Me.Refresh()

            Threading.Thread.Sleep(50)
        Next


        Me.Opacity = 100
        

        For Each Dir As String In Directory.GetDirectories(appPath & "\system\minecraft")
            Dim filePath As String = Dir
            Dim split As String() = filePath.Split("\")
            Dim parentFolder As String = split(split.Length - 1)
            ListBox1.Items.Add(parentFolder)


            Dim countfolder As Integer
            Dim dire() As String = System.IO.Directory.GetDirectories(appPath & "\system\minecraft\")
            countfolder = dire.Length

            If countfolder = 1 Then
                If My.Computer.FileSystem.FileExists(appPath & "\system\" & parentFolder & ".bat") Then
                    Shell(appPath & "\system\" & parentFolder & ".bat", vbHide)
                    Threading.Thread.Sleep(3000)
                    Dim iCount As Integer

                    For iCount = 90 To 10 Step -10
                        Me.Opacity = iCount / 100
                        Threading.Thread.Sleep(50)
                    Next
                    Me.Close()
                ElseIf My.Computer.FileSystem.FileExists(appPath & "\system\" & parentFolder & ".bat") = False Then
                    Label1.Text = "請先為 " & parentFolder & "版本設置玩家名稱"
                Else
                    Label1.Text = "請到遊戲設置設定玩家名稱"
                End If
            ElseIf countfolder = 0 Then
                Label1.Text = "請使用自動更新功能下載客戶端文件"
            Else
                Label1.Text = "請選擇要啟動的版本"
            End If
        Next
    End Sub



    Private Sub Form1_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs) Handles MyBase.MouseDown



        If e.Button = MouseButtons.Left Then

            IsFormBeingDragged = True

            MouseDownX = e.X

            MouseDownY = e.Y

        End If

    End Sub



    Private Sub Form1_MouseUp(ByVal sender As Object, ByVal e As MouseEventArgs) Handles MyBase.MouseUp



        If e.Button = MouseButtons.Left Then

            IsFormBeingDragged = False

        End If

    End Sub



    Private Sub Form1_MouseMove(ByVal sender As Object, ByVal e As MouseEventArgs) Handles MyBase.MouseMove



        If IsFormBeingDragged Then

            Dim temp As Point = New Point()



            temp.X = Me.Location.X + (e.X - MouseDownX)

            temp.Y = Me.Location.Y + (e.Y - MouseDownY)
            Me.Location = temp

            temp = Nothing

        End If

    End Sub

    Private Sub Label1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim iCount As Integer

        For iCount = 90 To 10 Step -10
            Me.Opacity = iCount / 100
            Threading.Thread.Sleep(50)
        Next
        Me.Close()
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        If My.Computer.FileSystem.FileExists(appPath & "\system\" & ListBox1.SelectedItem & ".bat") = False Then
            Label1.Text = "請先為 " & ListBox1.SelectedItem & "版本設置玩家名稱"
        Else
            Try
                Shell(appPath & "\system\" & ListBox1.SelectedItem & ".bat", vbHide)
                Dim iCount As Integer

                For iCount = 90 To 10 Step -10
                    Me.Opacity = iCount / 100
                    Threading.Thread.Sleep(50)
                Next
                Me.Close()
            Catch ex As Exception
                Label3.Text = ex.Message & "請選擇版本或下載更新。"

            End Try
        End If
    End Sub
End Class