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mMain.bas
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mMain.bas
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Attribute VB_Name = "mMain"
Option Explicit
Rem *** Desktop Defender® II ***
Rem *** Engine Started: 4:50 pm. on 29.XII.2001
Rem Alpha Release: 12.IX.2002
Rem Developer Release: 15.III.2003
Rem Beta Release: 20.IV.2003
Rem Official Release: 11.V.2003 / Fixed Release: 24.V.2003
Rem *** Main Module
Rem Purpose: Startup initializations, Input Handling, Game Loop...
Private Const GAME_ID = "Desktop Defender II - Battle for Existance"
Public Const MAX_CX = 640 ' screen resolution
Public Const MAX_CY = 480
Public Const BPP = 16 ' color depth
Sub Main()
Call LoadGame
bRunning = True ' app. is ready to go
Do While (bRunning) ' start main game loop
Call GFXClearBackBuffer ' clear backbuffer content
Call CalcFrameRate(nFPS) ' count FPS
Call UpdateFrame ' update game
' do synchornization ( in other words - retracing )
If (Not g_bNotRetrace) Then
Do While lpDD.WaitForVerticalBlank(DDWAITVB_BLOCKEND, 0) <> DD_OK
Loop
End If
DoEvents ' let windowZ do stuff
Call DDBlitToPrim
Loop
Call ReleaseAll ' release all mem and close game
End Sub
Public Sub LoadGame() ' everything to load and initialize is Here
Dim tempPath As String
Dim cn As Integer
Call GetCommandLine ' set options from the command line
'g_bDebug = True
'bWindowed = True
If (bWindowed) Then
Call MoveWindow(frmMain.hwnd, 0, 0, MAX_CX + 50, MAX_CY + 50, True)
End If
DoEvents
Call SetRect(rScreen, 0, 0, MAX_CX, MAX_CY) ' setup screen rectangle
w_ScrollRate = 15 ' set screen-scroll speed
' setup form
ShowCursor False
With frmMain
.Caption = GAME_ID ' set game_ID
.BackColor = &H0
.Show
DoEvents
End With
Call OpenLog(App.Path & "\") ' open log file
AppendToLog (" *** DESKTOP DEFENDER II LOG FILE *** " & vbCrLf)
AppendToLog ("Copyright © 2001-2003 KenamicK Entertainment®" & vbCrLf)
AppendToLog ("Version " & App.Major & "." & App.Minor)
AppendToLog ("Opened at: " & chGetTime)
AppendToLog ("Opened on: " & Format(Date, "dddd, mmmm yyyy") & vbCrLf)
' setting high-priority ( vb games need that )
AppendToLog (LOG_DASH)
Call SetProgramPriority(P_HIGH)
' init DirectX
AppendToLog (LOG_DASH)
AppendToLog ("Initializing DirectX...")
frmMain.lblStatus.Caption = "Initializing DirectX..."
Call DXInit
Call DDInit(frmMain.hwnd, MAX_CX, MAX_CY, BPP)
frmMain.Picture = frmMain.picl.Picture
Call DIInit(frmMain.hwnd, DI_KEYBOARD Or DI_MOUSE)
Call DSInit(frmMain.hwnd)
Call DDInitGamma
' init maintenance classes
AppendToLog (LOG_DASH)
AppendToLog ("Initializing Maintenance classes...")
frmMain.UpdatePBar 80
frmMain.lblStatus.Caption = "Initializing Maintenance classes..."
Set CMouse = New clsMouse
Call CMouse.SaveCoords
CMouse.SetMouseInput = MI_API
CMouse.SetCursorHeight = 25
CMouse.SetCursorWidth = 25
Call CMouse.Acquire
' do precalculations & reset game
Call Do_PreCalcs
frmMain.UpdatePBar 80
frmMain.lblStatus.Caption = "Opening data paks.."
' prepare packets
If (Not CKdfGfx.LoadTag(App.Path & "\data\gfx.ktf")) Then
Call MakeError("Could not open " & App.Path & "\data\gfx.ktf" & vbCr & "Please, reinstall game!")
Else
If (Not CKdfGfx.LoadPacket(App.Path & "\data\gfx.kdf")) Then _
Call MakeError("Could not open " & App.Path & "\data\gfx.kdf" & vbCr & "Please, reinstall game!")
End If
If (Not CKdfSfx.LoadTag(App.Path & "\data\sound.ktf")) Then
Call MakeError("Could not open " & App.Path & "\data\sound.ktf" & vbCr & "Please, reinstall game!")
Else
If (Not CKdfSfx.LoadPacket(App.Path & "\data\sound.kdf")) Then _
Call MakeError("Could not open " & App.Path & "\data\sound.kdf" & vbCr & "Please, reinstall game!")
End If
' load all game_data
AppendToLog (LOG_DASH)
'mDirectSound.m_bDSOn = False
'g_bDebug = True ' debug mode
frmMain.UpdatePBar 80
frmMain.lblStatus.Caption = "Loading graphics..."
AppendToLog ("Loading graphics...")
Call mGameProc.LoadSounds
frmMain.lblStatus.Caption = "Loading sounds..."
AppendToLog ("Loading sounds...")
Call mGameProc.LoadGraphics
Call mDirectDraw.DDFreeMemToLog
AppendToLog ("Game started...")
AppendToLog (LOG_DASH)
' clear main theme
frmMain.Picture = LoadPicture()
' setup FMOD and load music
frmMain.lblStatus.Caption = "Loading music..."
mFMod.initFMOD
AppendToLog ("FMod: initialized.")
If (Not mFMod.OPENmus(App.Path & "\data\ar.it")) Then
Call ErrorMsg("Could not load music file!")
Else
AppendToLog ("FMod: loaded \ar.it")
End If
frmMain.UpdatePBar 80
Dim sval As String
' load music&sound volume
mUtil.RegLoadKey &H80000002, "SOFTWARE\KenamicK Entertainment\DD2\", "sndvol", sval
If (Val(sval) <> 0) Then mDirectSound.m_nGlobalVol = Val(sval)
mUtil.RegLoadKey &H80000002, "SOFTWARE\KenamicK Entertainment\DD2\", "musvol", sval
If (Val(sval) <> 0) Then g_nMusicVol = Val(sval)
' init
g_Gates = GS_NONE
' check registry
Call mUtil.RegLoadKey(&H80000002, "SOFTWARE\KenamicK Entertainment\DD2\", "logo", sval)
g_GameState = GAMSTATE_LOGO
Call mUtil.RegLoadKey(&H80000002, "SOFTWARE\KenamicK Entertainment\DD2\", "transbars", CStr(g_bsolidbars))
' hide loading navs
frmMain.lblStatus.Visible = False
frmMain.picl.Visible = False
frmMain.shpload.Visible = False
frmMain.shpoutline.Visible = False
DoEvents
Call DoKKLogo
' should (#logo#) intro be shown
If (Val(sval) = 0) Then
g_GameState = GAMSTATE_INTRO
Else
' play background music
Call mFMod.PLAYmus(True)
g_bmusPlaying = True
g_nMusicVol = MUSIC_VOLUMEMAX
g_GameState = GAMSTATE_MAINMENU
End If
'g_GameState = GAMSTATE_BRIEFING
'Call StartBriefing
'g_GameState = GAMSTATE_MAINMENU
End Sub
Public Sub MakeError(lpStr As String) ' error hadling procedure
Call MsgBox(lpStr, vbExclamation, "What the...")
Call ReleaseAll
End Sub
Public Function ConfirmMsg(lpStr As String) As Boolean ' confirm a message
If MsgBox(lpStr, vbOKCancel) = vbOK Then ConfirmMsg = True _
Else Call ReleaseAll
End Function
Public Sub ErrorMsg(lpStr As String)
Call MsgBox(lpStr, vbCritical)
End Sub
Public Sub CheckIfTasked() ' check if game form has loset focus
Dim ddrval As Long
ddrval = lpDD.TestCooperativeLevel()
If (ddrval <> DD_OK) Then
DIUnAcquire (DI_KEYBOARD Or DI_MOUSE) ' unacqure DI devices
Call SetProgramPriority(P_NORMAL) ' return priorities
Do While (ddrval <> DD_OK)
ddrval = lpDD.TestCooperativeLevel()
DoEvents
Loop
lpDD.RestoreAllSurfaces
DIAcquire (DI_KEYBOARD Or DI_MOUSE) ' acqure DI devices
Call SetProgramPriority(P_HIGH)
End If
'If frmMain.WindowState = vbMinimized Then
'DIUnAcquire (DI_KEYBOARD Or DI_MOUSE) ' unacqure DI devices
'Do
'If frmMain.WindowState <> vbMinimized Then Exit Do
' ' ...
'DoEvents
'Loop
'End If
End Sub
Public Sub ReleaseAll() ' release everything and close
On Local Error Resume Next
Call SetProgramPriority(P_NORMAL)
AppendToLog (LOG_DASH)
AppendToLog ("Unloading Game...")
Call DDRestoreModes(frmMain.hwnd) ' restore Display and Coop. modes
Call ReleaseGame ' unload graphics, classes & etc.
Call DDRelease ' unload DirectDraw objects
Call DIRelease ' unload DirectInput objects
Call DXRelease
AppendToLog ("Closing DirectX")
'cMouse.SetOldCoords ' show back cursor and restore previous position
' kill classes
Set CMouse = Nothing
Set CKdfGfx = Nothing
Set CKdfSfx = Nothing
Call CloseLog ' close log file
End
'Call PostQuitMessage(0) ' get use out'f here...NOW!!!
End Sub