Imports EgtUILib

Public Class SimulationPageUC

    Dim m_MainWindow As MainWindow = Application.Current.MainWindow
    Dim m_CurrProjPage As CurrentProjectPageUC

    ' Stato e comando correnti
    Public Enum SIM_ST As Integer
        ST_STOP = 1
        ST_PLAY = 2
        ST_PAUSE = 3
    End Enum
    Private m_nStatus As Integer = SIM_ST.ST_STOP

    ' Stato bottone Play
    Private m_bPlay As Boolean = True

    ' Flag di progetto da caricare prima di simulare
    Private m_bToReload As Boolean = False

    Private Sub SimulationPage_Initialized(sender As Object, e As EventArgs)

        PlayPauseImage.Source = New System.Windows.Media.Imaging.BitmapImage(New Uri("/Resources/Play.png", UriKind.Relative))

    End Sub

    Private Sub SimulationPage_Loaded(sender As Object, e As RoutedEventArgs)
        m_CurrProjPage = m_MainWindow.m_CurrentProjectPageUC
        ' Disabilito impostazione modificato
        EgtDisableModified()
        ' Salvo il progetto corrente
        SaveFile()
        ' Nascondo eventuali pezzi in parcheggio
        HideParkedParts()
        ' Visualizzo tutta la macchina
        EgtShowOnlyTable(False)
        ' Eseguo
        EgtLuaExecFile("C:\EgtData\OmagCut\CamAuto\CamAuto.lua")
        ' Imposto vista 3d isometrica di tutto
        EgtSetView(VT.ISO_SE, False)
        EgtZoom(ZM.ALL)
        ' Imposto stato corrente
        m_nStatus = SIM_ST.ST_STOP
        m_bPlay = True
        SpeedSlider.Value = 10
    End Sub


    Private Sub HomeBtn_Click(sender As Object, e As RoutedEventArgs) Handles HomeBtn.Click
        If m_nStatus <> SIM_ST.ST_STOP Then
            Return
        End If
        EgtSimHome()
        EgtDraw()
    End Sub

    Private Sub PlayPauseBtn_Click(sender As Object, e As RoutedEventArgs) Handles PlayPauseBtn.Click
        If m_bPlay Then
            ' Aggiorno bottone
            m_bPlay = False
            PlayPauseImage.Source = New System.Windows.Media.Imaging.BitmapImage(New Uri("/Resources/Pause.png", UriKind.Relative))
            ' Eseguo
            If m_nStatus = SIM_ST.ST_STOP Then
                ' Ricarico il progetto, se necessario
                'If ReloadFile(True) Then
                '    EgtDraw()
                'End If
                m_bToReload = True
                ' Lancio simulazione
                ExecSim()
                ' Aggiorno bottone
                m_bPlay = True
                PlayPauseImage.Source = New System.Windows.Media.Imaging.BitmapImage(New Uri("/Resources/Play.png", UriKind.Relative))
            ElseIf m_nStatus = SIM_ST.ST_PAUSE Then
                m_nStatus = SIM_ST.ST_PLAY
            End If
        Else
            ' Aggiorno bottone
            m_bPlay = True
            PlayPauseImage.Source = New System.Windows.Media.Imaging.BitmapImage(New Uri("/Resources/Play.png", UriKind.Relative))
            ' Se play, imposto stato pausa
            If m_nStatus = SIM_ST.ST_PLAY Then
                m_nStatus = SIM_ST.ST_PAUSE
            End If
        End If
    End Sub

    Private Sub StopBtn_Click(sender As Object, e As RoutedEventArgs) Handles StopBtn.Click
        m_nStatus = SIM_ST.ST_STOP
    End Sub

    Private Sub SpeedSlider_ValueChanged(sender As Object, e As RoutedPropertyChangedEventArgs(Of Double))
        EgtSimSetStep(SpeedSlider.Value)
    End Sub

    Private Sub ExecSim()
        m_nStatus = SIM_ST.ST_PLAY
        EgtSimStart()
        EgtSimSetStep(SpeedSlider.Value)
        While m_nStatus <> SIM_ST.ST_STOP
            ' Se simulazione in svolgimento
            If m_nStatus = SIM_ST.ST_PLAY Then
                ' Se arrivata alla fine...
                If Not EgtSimMove() Then
                    m_nStatus = SIM_ST.ST_STOP
                End If
                ' Aggiorno visualizzazione
                EgtDraw()
            End If
            ' Costringo ad aggiornare UI
            Dim nDummy As Integer
            Application.Current.Dispatcher.Invoke(Windows.Threading.DispatcherPriority.Background, _
                                                  New Action(Function() nDummy = 0))
        End While
    End Sub

    Private Sub ExitBtnUC_Click(sender As Object, e As RoutedEventArgs)
        ' Mi assicuro di terminare la simulazione
        EgtSimStop()
        ' Ricarico il progetto corrente
        ReloadFile(False)
        ' Ripristino visibilità standard
        ShowParkedParts()
        EgtShowOnlyTable(True)
        ' Imposto vista 2D
        EgtSetView(VT.TOP, False)
        EgtZoom(ZM.ALL)
        ' Abilito impostazione modificato
        EgtEnableModified()
        ' Esco dalla pagina
        m_MainWindow.m_CurrentProjectPageUC.CurrentProjectPageGrid.Children.Remove(Me)
        m_CurrProjPage.CurrProjGrid.Visibility = Windows.Visibility.Visible
        m_MainWindow.m_CurrentProjectPageUC.CurrentProjectPageGrid.Children.Add(m_MainWindow.m_CadCutPageUC)
        m_MainWindow.m_ActivePage = MainWindow.Pages.CadCut
    End Sub

    Private Sub SaveFile()
        Dim sPath As String = m_MainWindow.GetTempDir() & "\" & "SimuProj.nge"
        m_CurrProjPage.SaveFile(sPath)
        m_bToReload = False
    End Sub

    Private Function ReloadFile(ByVal bForSimu As Boolean) As Boolean
        If Not m_bToReload Then
            Return False
        End If
        ' Ricarico
        Dim sPath As String = m_MainWindow.GetTempDir() & "\" & "SimuProj.nge"
        m_CurrProjPage.LoadFile(sPath)
        ' Se per simulazione, nascondo pezzi in parcheggio e visualizzo tutta la macchina
        If bForSimu Then
           HideParkedParts()
           EgtShowOnlyTable(False)
        End If
        m_bToReload = False
        Return True
    End Function
End Class