call blttile1(2,2)

Public Sub BltTile(ByVal x As Long, ByVal y As Long)
'****************************************************************
'* WHEN        WHO        WHAT
'* ----        ---        ----
'* 07/12/2005  Shannara   Optimized function.
'****************************************************************

Dim Ground As Long
Dim Anim1 As Long
Dim Anim2 As Long

    With Map.Tile(x, y)
        Ground = .Ground
        Anim1 = .Mask
        Anim2 = .Anim
    End With
   
    ' Only used if ever want to switch to blt rather then bltfast
    With rec_pos
        .top = y * PIC_Y
        .Bottom = .top + PIC_Y
        .Left = x * PIC_X
        .Right = .Left + PIC_X
    End With
   
    With rec
        .top = Int(Ground / 7) * PIC_Y
        .Bottom = .top + PIC_Y
        .Left = (Ground - Int(Ground / 7) * 7) * PIC_X
        .Right = .Left + PIC_X
    End With
    Call DD_BackBuffer.BltFast(x * PIC_X, y * PIC_Y, DD_TileSurf, rec, DDBLTFAST_WAIT)
   
    If (MapAnim = 0) Or (Anim2 <= 0) Then
        ' Is there an animation tile to plot?
        If Anim1 > 0 And TempTile(x, y).DoorOpen = NO Then
            With rec
                .top = Int(Anim1 / 7) * PIC_Y
                .Bottom = .top + PIC_Y
                .Left = (Anim1 - Int(Anim1 / 7) * 7) * PIC_X
                .Right = .Left + PIC_X
            End With
            Call DD_BackBuffer.BltFast(x * PIC_X, y * PIC_Y, DD_TileSurf, rec, DDBLTFAST_WAIT Or DDBLTFAST_SRCCOLORKEY)
        End If
    Else
        ' Is there a second animation tile to plot?
        If Anim2 > 0 Then
            With rec
                .top = Int(Anim2 / 7) * PIC_Y
                .Bottom = .top + PIC_Y
                .Left = (Anim2 - Int(Anim2 / 7) * 7) * PIC_X
                .Right = .Left + PIC_X
            End With
            Call DD_BackBuffer.BltFast(x * PIC_X, y * PIC_Y, DD_TileSurf, rec, DDBLTFAST_WAIT Or DDBLTFAST_SRCCOLORKEY)
        End If
    End If
End Sub