Imports System.Windows.Interop
Imports System.Runtime.InteropServices
Imports EgtUILib

Public Class VeinMatchingWindow

   ' Riferimento alla MainWindow
   Private m_MainWindow As MainWindow = DirectCast(Application.Current.MainWindow, MainWindow)
   Private m_bFirst As Boolean = True
   Private m_bPositioned As Boolean = False

   ' Dichiarazione Scene
   Friend WithEvents VeinMatchingScene As New Scene
   Private VeinMatchingSceneHost As New System.Windows.Forms.Integration.WindowsFormsHost

   Private Sub Window_Initialized(sender As Object, e As EventArgs)
      ' Assegnazione scena all'host e posizionamento nella PlacePageGrid
      VeinMatchingSceneHost.Child = VeinMatchingScene
      VeinMatchingSceneHost.SetValue(Grid.ColumnProperty, 1)
      Me.VeinMatchingGrid.Children.Add(VeinMatchingSceneHost)
      ' Per non farla visualizzare alla creazione
      Me.Left = 32000
      ' Assegno messaggi
      NewBtn.Content = EgtMsg(MSG_CADCUTPAGEUC + 3)
      LoadBtn.Content = EgtMsg(MSG_CADCUTPAGEUC + 4)
      SaveBtn.Content = EgtMsg(MSG_CADCUTPAGEUC + 5)
      ExportBtn.Content = EgtMsg(MSG_CADCUTPAGEUC + 10)
      ' Disabilitazione provvisoria
      LoadBtn.IsEnabled = False
      SaveBtn.IsEnabled = False
      ExportBtn.IsEnabled = False
   End Sub

   Private Sub Window_Loaded(sender As Object, e As RoutedEventArgs) Handles Me.Loaded
      If m_bFirst Then
         ' Imposto finestra senza SystemMenu
         Dim hwnd As IntPtr = New WindowInteropHelper(Me).Handle
         SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) And Not WS_SYSMENU)
         ' imposto colore di default
         Dim DefColor As New Color3d(0, 0, 0)
         GetPrivateProfileColor(S_GEOMDB, K_DEFAULTCOLOR, DefColor, m_MainWindow.GetIniFile())
         VeinMatchingScene.SetDefaultMaterial(DefColor)
         ' imposto colori sfondo
         Dim BackTopColor As New Color3d(211, 211, 211)
         GetPrivateProfileColor(S_SCENE, K_BACKTOP, BackTopColor, m_MainWindow.GetIniFile())
         Dim BackBotColor As New Color3d(211, 211, 211)
         GetPrivateProfileColor(S_SCENE, K_BACKBOTTOM, BackBotColor, m_MainWindow.GetIniFile())
         VeinMatchingScene.SetViewBackground(BackTopColor, BackBotColor)
         ' imposto colore di evidenziazione
         Dim MarkColor As New Color3d(255, 255, 0)
         GetPrivateProfileColor(S_SCENE, K_MARK, MarkColor, m_MainWindow.GetIniFile())
         VeinMatchingScene.SetMarkMaterial(MarkColor)
         ' imposto colore per superfici selezionate
         Dim SelSurfColor As New Color3d(255, 255, 192)
         GetPrivateProfileColor(S_SCENE, K_SELSURF, SelSurfColor, m_MainWindow.GetIniFile())
         VeinMatchingScene.SetSelSurfMaterial(SelSurfColor)
         ' imposto tipo e colore del rettangolo di zoom
         Dim bOutline As Boolean = True
         Dim ZwColor As New Color3d(0, 0, 0)
         GetPrivateProfileZoomWin(S_SCENE, K_ZOOMWIN, bOutline, ZwColor, m_MainWindow.GetIniFile())
         VeinMatchingScene.SetZoomWinAttribs(bOutline, ZwColor)
         ' imposto colore della linea di distanza
         Dim DstLnColor As New Color3d(255, 0, 0)
         GetPrivateProfileColor(S_SCENE, K_DISTLINE, DstLnColor, m_MainWindow.GetIniFile())
         VeinMatchingScene.SetDistLineMaterial(DstLnColor)
         ' imposto parametri OpenGL
         Dim nDriver As Integer = GetPrivateProfileInt(S_OPENGL, K_DRIVER, 3, m_MainWindow.GetIniFile())
         Dim b2Buff As Boolean = (GetPrivateProfileInt(S_OPENGL, K_DOUBLEBUFFER, 1, m_MainWindow.GetIniFile()) <> 0)
         Dim nColorBits As Integer = GetPrivateProfileInt(S_OPENGL, K_COLORBITS, 32, m_MainWindow.GetIniFile())
         Dim nDepthBits As Integer = GetPrivateProfileInt(S_OPENGL, K_DEPTHBITS, 32, m_MainWindow.GetIniFile())
         VeinMatchingScene.SetViewAttributes(nDriver, b2Buff, nColorBits, nDepthBits)
         ' inizializzo la scena (DB geometrico + visualizzazione) e verifico presenza chiave
         If Not VeinMatchingScene.Init() Then
            m_MainWindow.m_CadCutPageUC.m_ProjectMgr.VeinMatchingBtn.IsChecked = False
            Me.Close()
         End If
         m_bFirst = False
      End If

      ' inibisco selezione diretta da Scene
      VeinMatchingScene.SetStatusNull()

   End Sub

   Private Sub Window_Closed(sender As Object, e As EventArgs) Handles Me.Closed
      ' Salvo posizione Window (se posizionata e non minimizzata)
      If m_bPositioned And Me.WindowState <> WindowState.Minimized Then
         Dim nFlag As Integer = If(Me.WindowState = WindowState.Maximized, 1, 0)
         WritePrivateProfileWinPos(S_VEINMATCHING, K_VEINMA_PLACE, nFlag, CInt(Me.Left), CInt(Me.Top), CInt(Me.Width), CInt(Me.Height), m_MainWindow.GetIniFile())
      End If
   End Sub

   Friend Sub AdjustPosition()
      ' Se già pozizionata, esco subito
      If m_bPositioned Then Return
      ' Imposto posizione e dimensioni della MainWindow da INI
      Dim nFlag, nLeft, nTop, nWidth, nHeight As Integer
      If GetPrivateProfileWinPos(S_VEINMATCHING, K_VEINMA_PLACE, nFlag, nLeft, nTop, nWidth, nHeight, m_MainWindow.GetIniFile()) Then
         Dim PtTL = New System.Drawing.Point(nLeft, nTop)
         Dim s As System.Windows.Forms.Screen = System.Windows.Forms.Screen.FromPoint(PtTL)
         If s.Bounds.Contains(PtTL) Then
            Me.WindowStartupLocation = Windows.WindowStartupLocation.Manual
            Me.Top = nTop
            Me.Left = nLeft
            Me.Height = nHeight
            Me.Width = nWidth
            Me.WindowState = If(nFlag = 1, WindowState.Maximized, WindowState.Normal)
            m_bPositioned = True
            Return
         End If
      End If
      ' Imposto in posizione standard
      Me.WindowStartupLocation = Windows.WindowStartupLocation.Manual
      Me.Top = m_MainWindow.Top
      Me.Left = m_MainWindow.Left
      Me.Height = nHeight
      Me.Width = nWidth
      Me.WindowState = If(nFlag = 1, WindowState.Maximized, WindowState.Normal)
      m_bPositioned = True
   End Sub

   Private Sub NewBtn_Click(sender As Object, e As RoutedEventArgs) Handles NewBtn.Click
      VeinMatching.Clear()
   End Sub

End Class

Friend Module VeinMatching

   ' Riferimento alla MainWindow
   Private m_MainWindow As MainWindow = DirectCast(Application.Current.MainWindow, MainWindow)
   ' Contesto del VeinMatching
   Friend m_nVeinCtx As Integer = 0
   ' Nome fotografia
   Private m_nPhoto As Integer = 0

   ' Costanti
   Const REF_NAME As String = "Ref"
   Const KEY_ORI_REF As String = "OriRef"

   Friend Function SetRefOnAllParts(nCtx As Integer) As Boolean
      ' Si opera nel contesto indicato
      EgtSetCurrentContext(nCtx)
      Dim nId As Integer = EgtGetFirstPart()
      While nId <> GDB_ID.NULL
         ' Gruppo regione
         Dim nRegLayId As Integer = EgtGetFirstNameInGroup(nId, NAME_REGION)
         ' Entità superficie regione piatta
         Dim nRegId As Integer = EgtGetFirstInGroup(nRegLayId)
         While nRegId <> GDB_ID.NULL
            If EgtGetType(nRegId) = GDB_TY.SRF_FRGN Then
               Exit While
            End If
            nRegId = EgtGetNext(nRegId)
         End While
         ' Ne recupero il centroide
         Dim ptCen As Point3d
         EgtCentroid(nRegId, GDB_ID.ROOT, ptCen)
         ' Inserisco il riferimento
         Dim frRef As New Frame3d(ptCen)
         Dim nRefId As Integer = EgtCreateGeoFrame(nRegLayId, frRef, GDB_RT.GLOB)
         EgtSetName(nRefId, REF_NAME)
         ' salvo nelle info il riferimento originale
         EgtSetInfo(nRefId, KEY_ORI_REF, frRef)
         ' nascondo l'oggetto appena inserito
         EgtSetMode(nRefId, GDB_MD.HIDDEN)
         ' Passo al pezzo successivo
         nId = EgtGetNextPart(nId)
      End While
      Return True
   End Function

   Friend Function Clear() As Boolean
      ' Verifico esista il contesto del VeinMatching
      If m_nVeinCtx = 0 Then Return True
      ' Imposto VeinMatching context
      Dim nCurrCtx = SetVeinContext()
      If nCurrCtx = 0 Then Return False
      ' Pulisco il DB
      EgtNewFile()
      EgtDraw()
      ' Reset contatore foto
      m_nPhoto = 0
      ' Se necessario, ripristino il contesto originale
      If nCurrCtx > 0 Then EgtSetCurrentContext(nCurrCtx)
      Return True
   End Function

   Friend Function AddPart(sPartFile As String, nPartId As Integer) As Boolean
      ' Verifico esista il contesto del VeinMatching
      If m_nVeinCtx = 0 Then Return True
      ' Imposto VeinMatching context
      Dim nMainCtx = SetVeinContext()
      If nMainCtx = 0 Then Return False
      ' Inserisco il pezzo
      EgtInsertFile(sPartFile)
      ' Ne recupero l'Id
      Dim nVeinId2 As Integer = EgtGetLastPart()
      ' Assegno Id originale
      EgtSetInfo(nVeinId2, KEY_ORI_ID, nPartId)
      ' Nascondo scritte, sono nel layer "Region"
      Dim nVeinRegId As Integer = EgtGetFirstNameInGroup(nVeinId2, NAME_REGION)
      Dim nCurrId As Integer = EgtGetFirstInGroup(nVeinRegId)
      While nCurrId <> GDB_ID.NULL
         If EgtGetType(nCurrId) = GDB_TY.EXT_TEXT Then EgtSetStatus(nCurrId, GDB_ST.OFF)
         nCurrId = EgtGetNext(nCurrId)
      End While
      ' Nascondo layer con valori angoli dei lati
      nCurrId = EgtGetFirstNameInGroup(nVeinId2, SIDE_ANGLE_LAYER)
      EgtSetStatus(nCurrId, GDB_ST.OFF)
      ' Se necessario, ripristino il contesto originale
      If nMainCtx > 0 Then EgtSetCurrentContext(nMainCtx)
      Return True
   End Function

   Friend Function OnInsertPartInRaw(nPartId As Integer) As Boolean
      ' Verifico esista il contesto del VeinMatching
      If m_nVeinCtx = 0 Then Return True
      ' Recupero il contesto corrente (principale)
      Dim nMainCtx = EgtGetCurrentContext()
      ' Se non c'è la fotografia, esco
      Dim nPhotoId As Integer = m_MainWindow.m_CurrentProjectPageUC.GetPhoto()
      If nPhotoId = GDB_ID.NULL Then Return True
      ' Recupero il nome originale del pezzo
      Dim nOriId As Integer = nPartId
      EgtGetInfo(nPartId, KEY_ORI_ID, nOriId)

      ' Verifico se esiste già la foto del progetto corrente nel VeinMatching
      Dim sPhoto As String = String.Empty
      EgtGetPhotoPath(nPhotoId, sPhoto)
      Dim sVeinPhoto As String = String.Empty
      GetVeinPhotoPath(sVeinPhoto)
      ' Se necessario, copio la foto
      If String.Compare(sPhoto, sVeinPhoto, True) <> 0 Then
         If Not CopyPhoto(nPhotoId) Then Return False
      End If

      ' Recupero il pezzo nel VeinMatching
      EgtSetCurrentContext(m_nVeinCtx)
      Dim nId = GetVeinPartId(nOriId)
      If nId <> GDB_ID.NULL Then
         ' Recupero la regione del pezzo
         Dim nRegId As Integer = GetVeinPartRegionId(nId)
         ' Gli assegno la texture della foto
         EgtSetTextureName(nRegId, GetPhotoName())
         ' Sistemo il riferimento della texture
         Dim refTxr As New Frame3d
         GetVeinRefPhoto(nMainCtx, nPartId, nId, refTxr)
         EgtSetTextureFrame(nRegId, refTxr, GDB_RT.GLOB)
         ' Sistemo il colore
         Dim colWhite As New Color3d(255, 255, 255, 100)
         EgtSetColor(nRegId, colWhite)
      End If
      EgtDraw()
      EgtSetCurrentContext(nMainCtx)

      Return True
   End Function

   Friend Function OnMovePartInRaw(nPartId As Integer) As Boolean
      ' Verifico esista il contesto del VeinMatching
      If m_nVeinCtx = 0 Then Return True
      ' Recupero il contesto corrente (principale)
      Dim nMainCtx = EgtGetCurrentContext()
      ' Se non c'è la fotografia, esco
      Dim nPhotoId As Integer = m_MainWindow.m_CurrentProjectPageUC.GetPhoto()
      If nPhotoId = GDB_ID.NULL Then Return True
      ' Recupero il nome originale del pezzo
      Dim nOriId As Integer = nPartId
      EgtGetInfo(nPartId, KEY_ORI_ID, nOriId)

      ' Recupero il pezzo nel VeinMatching
      EgtSetCurrentContext(m_nVeinCtx)
      Dim nId = GetVeinPartId(nOriId)
      If nId <> GDB_ID.NULL Then
         ' Recupero la regione del pezzo
         Dim nRegId As Integer = GetVeinPartRegionId(nId)
         ' Sistemo il riferimento della texture
         Dim refTxr As New Frame3d
         GetVeinRefPhoto(nMainCtx, nPartId, nId, refTxr)
         EgtSetTextureFrame(nRegId, refTxr, GDB_RT.GLOB)
      End If
      EgtDraw()
      EgtSetCurrentContext(nMainCtx)

      Return True
   End Function

   Friend Function OnRemovePartFromRaw(nPartId As Integer) As Boolean
      ' Verifico esista il contesto del VeinMatching
      If m_nVeinCtx = 0 Then Return True
      ' Recupero il contesto corrente (principale)
      Dim nMainCtx = EgtGetCurrentContext()
      ' Se non c'è la fotografia, esco
      Dim nPhotoId As Integer = m_MainWindow.m_CurrentProjectPageUC.GetPhoto()
      If nPhotoId = GDB_ID.NULL Then Return True
      ' Recupero il nome originale del pezzo
      Dim nOriId As Integer = nPartId
      EgtGetInfo(nPartId, KEY_ORI_ID, nOriId)

      ' Tolgo la texture dal pezzo
      EgtSetCurrentContext(m_nVeinCtx)
      Dim nId As Integer = GetVeinPartId(nOriId)
      If nId <> GDB_ID.NULL Then
         ' Recupero la regione del pezzo
         Dim nRegId As Integer = GetVeinPartRegionId(nId)
         ' Gli tolgo la texture
         EgtRemoveTextureData(nRegId)
         ' Sistemo il colore
         Dim colAqua As New Color3d(0, 255, 255, 25)
         EgtSetColor(nRegId, colAqua)
      End If
      EgtDraw()
      EgtSetCurrentContext(nMainCtx)

      Return True
   End Function

   Friend Function ZoomAll() As Boolean
      ' Verifico esista il contesto del VeinMatching
      If m_nVeinCtx = 0 Then Return True
      ' Imposto VeinMatching context
      Dim nCurrCtx = SetVeinContext()
      If nCurrCtx = 0 Then Return False
      ' Eseguo Zoom
      EgtZoom(ZM.ALL)
      ' Se necessario, ripristino il contesto originale
      If nCurrCtx > 0 Then EgtSetCurrentContext(nCurrCtx)
      Return True
   End Function

   Private Function GetPhotoName() As String
      Return PHOTO_NAME & m_nPhoto.ToString()
   End Function

   Private Function CopyPhoto(nPhotoId As Integer) As Boolean
      ' Recupero il contesto corrente
      Dim nCurrCtx = EgtGetCurrentContext()
      ' Recupero i dati della fotografia
      Dim sPath As String = String.Empty
      EgtGetPhotoPath(nPhotoId, sPath)
      Dim ptOri As Point3d
      EgtGetPhotoOrigin(nPhotoId, ptOri)
      Dim ptCen As Point3d
      EgtGetPhotoCenter(nPhotoId, ptCen)
      Dim dMMxPixel As Double
      EgtGetPhotoMMxPixel(nPhotoId, dMMxPixel)
      Dim ptMin, ptMax As Point3d
      EgtGetBBoxGlob(nPhotoId, GDB_BB.STANDARD, ptMin, ptMax)
      ' Passo al contesto del VeinMatching
      EgtSetCurrentContext(m_nVeinCtx)
      ' Se non esiste il gruppo per le foto, lo creo
      Dim nPhGrpId As Integer = EgtGetFirstNameInGroup(GDB_ID.ROOT, PHOTO_GRP)
      If nPhGrpId = GDB_ID.NULL Then
         nPhGrpId = EgtCreateGroup(GDB_ID.ROOT)
         If nPhGrpId = GDB_ID.NULL Then
            EgtSetCurrentContext(nCurrCtx)
            Return False
         End If
         EgtSetName(nPhGrpId, PHOTO_GRP)
      End If
      EgtSetLevel(nPhGrpId, GDB_LV.SYSTEM)
      EgtSetStatus(nPhGrpId, GDB_ST.OFF)
      ' Carico la fotografia
      m_nPhoto += 1
      Dim nNewId As Integer = EgtAddPhoto(GetPhotoName(), sPath, ptOri, ptCen, dMMxPixel, nPhGrpId, ptMin, ptMax)
      ' Ritorno al contesto corrente
      EgtSetCurrentContext(nCurrCtx)
      Return nNewId <> GDB_ID.NULL
   End Function

   Private Function SetVeinContext() As Integer
      ' Verifico esista il contesto del VeinMatching
      If m_nVeinCtx = 0 Then Return 0
      ' Recupero il contesto corrente
      Dim nCurrCtx = EgtGetCurrentContext()
      ' Se necessario, cambio contesto
      If m_nVeinCtx <> nCurrCtx Then
         If EgtSetCurrentContext(m_nVeinCtx) Then
            Return nCurrCtx
         Else
            Return 0
         End If
      Else
         Return -1
      End If
   End Function

   Private Function GetVeinPhoto() As Integer
      ' Imposto VeinMatching context
      Dim nCurrCtx = SetVeinContext()
      If nCurrCtx = 0 Then Return GDB_ID.NULL
      ' Recupero Id foto
      Dim nId As Integer = EgtGetFirstNameInGroup(EgtGetFirstNameInGroup(GDB_ID.ROOT, PHOTO_GRP), GetPhotoName())
      ' Se necessario, ripristino il contesto originale
      If nCurrCtx > 0 Then EgtSetCurrentContext(nCurrCtx)
      Return nId
   End Function

   Private Function GetVeinPhotoPath(ByRef sPath As String) As Boolean
      ' Imposto VeinMatching context
      Dim nCurrCtx = SetVeinContext()
      If nCurrCtx = 0 Then Return False
      ' Recupero path dell'immagine della foto
      Dim nId As Integer = EgtGetFirstNameInGroup(EgtGetFirstNameInGroup(GDB_ID.ROOT, PHOTO_GRP), GetPhotoName())
      Dim bOk As Boolean = EgtGetPhotoPath(nId, sPath)
      ' Se necessario, ripristino il contesto originale
      If nCurrCtx > 0 Then EgtSetCurrentContext(nCurrCtx)
      Return bOk
   End Function

   Private Function GetVeinRefPhoto(nMainCtx As Integer, nPartId As Integer, nVePartId As Integer, ByRef refPhoto As Frame3d)
      ' Riferimento della foto rispetto al riferimento del pezzo nel contesto principale
      If Not EgtSetCurrentContext(nMainCtx) Then Return False
      ' riferimento della foto in globale
      If Not m_MainWindow.m_CurrentProjectPageUC.GetPhotoTextureRef(refPhoto) Then Return False
      ' riferimento del pezzo in globale
      Dim nRefId As Integer = EgtGetFirstNameInGroup(EgtGetFirstNameInGroup(nPartId, NAME_REGION), REF_NAME)
      Dim refPart As New Frame3d
      If Not EgtFrame(nRefId, GDB_ID.ROOT, refPart) Then Return False
      ' porto il riferimento della foto in quello del pezzo
      refPhoto.ToLoc(refPart)
      ' Riferimento della foto rispetto al riferimento del pezzo in VeinMatching
      If Not EgtSetCurrentContext(m_nVeinCtx) Then Return False
      ' riferimento del pezzo in globale
      Dim nVeRefId As Integer = EgtGetFirstNameInGroup(EgtGetFirstNameInGroup(nVePartId, NAME_REGION), REF_NAME)
      Dim refVePart As New Frame3d
      If Not EgtFrame(nVeRefId, GDB_ID.ROOT, refVePart) Then Return False
      refPhoto.ToGlob(refVePart)
      Return True
   End Function

   Private Function GetVeinPartId(nPartId As Integer) As Integer
      ' Imposto VeinMatching context
      Dim nCurrCtx = SetVeinContext()
      If nCurrCtx = 0 Then Return GDB_ID.NULL
      ' Cerco il pezzo in Vein che corrisponde al pezzo desiderato
      Dim nId As Integer = EgtGetFirstPart()
      While nId <> GDB_ID.NULL
         Dim nOriId As Integer
         If EgtGetInfo(nId, KEY_ORI_ID, nOriId) AndAlso nOriId = nPartId Then
            Exit While
         End If
         nId = EgtGetNextPart(nId)
      End While
      ' Se necessario, ripristino il contesto originale
      If nCurrCtx > 0 Then EgtSetCurrentContext(nCurrCtx)
      Return nId
   End Function

   Private Function GetVeinPartRegionId(nVeinPartId As Integer) As Integer
      ' Imposto VeinMatching context
      Dim nCurrCtx = SetVeinContext()
      If nCurrCtx = 0 Then Return GDB_ID.NULL
      ' Gruppo regione
      Dim nRegLayId As Integer = EgtGetFirstNameInGroup(nVeinPartId, NAME_REGION)
      ' Entità superficie regione piatta
      Dim nRegId As Integer = EgtGetFirstInGroup(nRegLayId)
      While nRegId <> GDB_ID.NULL
         If EgtGetType(nRegId) = GDB_TY.SRF_FRGN Then
            Exit While
         End If
         nRegId = EgtGetNext(nRegId)
      End While
      ' Se necessario, ripristino il contesto originale
      If nCurrCtx > 0 Then EgtSetCurrentContext(nCurrCtx)
      Return nRegId
   End Function

End Module