1003 lines
50 KiB
C++
1003 lines
50 KiB
C++
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//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/***************************************************************************
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** C O N F I D E N T I A L --- W E S T W O O D A S S O C I A T E S **
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***************************************************************************
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* *
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* Project Name : Westwood Win32 Library *
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* *
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* File Name : DDRAW.CPP *
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* *
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* Programmer : Philip W. Gorrow *
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* *
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* Start Date : October 10, 1995 *
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* *
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* Last Update : October 10, 1995 [] *
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* *
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*-------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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/*=========================================================================*/
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/* The following PRIVATE functions are in this file: */
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/*=========================================================================*/
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/*= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =*/
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#include "misc.h"
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#include <gbuffer.h>
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#include <palette.h>
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#include "stdio.h"
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LPDIRECTDRAW DirectDrawObject=NULL; // Pointer to the direct draw object
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LPDIRECTDRAW2 DirectDraw2Interface = NULL; // Pointer to direct draw 2 interface
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HWND MainWindow; // Handle to programs main window
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// this is passed to SetCooperativeLevel
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// so DirectDraw knows which window is ours
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PALETTEENTRY PaletteEntries[256]; // 256 windows palette entries
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LPDIRECTDRAWPALETTE PalettePtr; // Pointer to direct draw palette object
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BOOL FirstPaletteSet=FALSE; // Is this the first time 'Set_Palette' has been called?
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LPDIRECTDRAWSURFACE PaletteSurface=NULL;
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SurfaceMonitorClass AllSurfaces; //List of all direct draw surfaces
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BOOL CanVblankSync = TRUE;
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BOOL SystemToVideoBlits =FALSE; // Does hardware support system mem to video mem blits?
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BOOL VideoToSystemBlits =FALSE; // Does hardware support video mem to system mem blits?
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BOOL SystemToSystemBlits = FALSE; // Does hardware support system mem to system mem blits?
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BOOL OverlappedVideoBlits = TRUE; // Can video driver blit overlapped regions?
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/*
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** Function to call if we detect focus loss
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*/
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extern void (*Misc_Focus_Loss_Function)(void) = NULL;
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extern void (*Misc_Focus_Restore_Function)(void) = NULL;
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/***********************************************************************************************
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* Process_DD_Result -- Does a message box based on the result of a DD command *
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* *
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* INPUT: HRESULT result - the result returned from the direct draw command *
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* int display_ok_msg - should a message be displayed if command ok * *
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* *
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* OUTPUT: none *
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* *
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* HISTORY: *
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* 09/27/1995 PWG : Created. *
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*=============================================================================================*/
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void Process_DD_Result(HRESULT result, int display_ok_msg)
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{
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switch (result) {
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case DD_OK:
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if (display_ok_msg) {
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MessageBox(MainWindow, "Direct Draw request went ok.", "Note", MB_ICONEXCLAMATION|MB_OK);
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}
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break;
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case DDERR_ALREADYINITIALIZED:
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MessageBox(MainWindow, "This object is already initialized ","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_BLTFASTCANTCLIP:
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MessageBox(MainWindow, "Return if a clipper object is attached to the source surface passed into a BltFast call.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_CANNOTATTACHSURFACE:
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MessageBox(MainWindow, "This surface can not be attached to the requested surface. ","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_CANNOTDETACHSURFACE:
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MessageBox(MainWindow, "This surface can not be detached from the requested surface. ","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_CANTCREATEDC:
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MessageBox(MainWindow, "Windows can not create any more DCs","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_CANTDUPLICATE:
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MessageBox(MainWindow, "Can't duplicate primary & 3D surfaces, or surfaces that are implicitly created.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_CANTLOCKSURFACE:
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MessageBox(MainWindow, "Unable to lock surface because no driver exists which can supply a pointer to the surface.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_CLIPPERISUSINGHWND:
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MessageBox(MainWindow, "An attempt was made to set a cliplist for a clipper object that is already monitoring an hwnd.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_COLORKEYNOTSET:
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MessageBox(MainWindow, "No src color key specified for this operation.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_CURRENTLYNOTAVAIL:
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MessageBox(MainWindow, "Support is currently not available. ","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_DIRECTDRAWALREADYCREATED:
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MessageBox(MainWindow, "A DirectDraw object representing this driver has already been created for this process. ","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_EXCEPTION:
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MessageBox(MainWindow, "An exception was encountered while performing the requested operation. ","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_EXCLUSIVEMODEALREADYSET:
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MessageBox(MainWindow, "An attempt was made to set the cooperative level when it was already set to exclusive.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_GENERIC:
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MessageBox(MainWindow, "Generic failure.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_HEIGHTALIGN:
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MessageBox(MainWindow, "Height of rectangle provided is not a multiple of reqd alignment.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_HWNDALREADYSET:
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MessageBox(MainWindow, "The CooperativeLevel HWND has already been set. It can not be reset while the process has surfaces or palettes created.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_HWNDSUBCLASSED:
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MessageBox(MainWindow, "HWND used by DirectDraw CooperativeLevel has been subclassed, this prevents DirectDraw from restoring state.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_IMPLICITLYCREATED:
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MessageBox(MainWindow, "This surface can not be restored because it is an implicitly created surface.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_INCOMPATIBLEPRIMARY:
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MessageBox(MainWindow, "Unable to match primary surface creation request with existing primary surface.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_INVALIDCAPS:
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MessageBox(MainWindow, "One or more of the caps bits passed to the callback are incorrect.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_INVALIDCLIPLIST:
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MessageBox(MainWindow, "DirectDraw does not support the provided cliplist.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_INVALIDDIRECTDRAWGUID:
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MessageBox(MainWindow, "The GUID passed to DirectDrawCreate is not a valid DirectDraw driver identifier.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_INVALIDMODE:
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MessageBox(MainWindow, "DirectDraw does not support the requested mode.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_INVALIDOBJECT:
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MessageBox(MainWindow, "DirectDraw received a pointer that was an invalid DIRECTDRAW object.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_INVALIDPARAMS:
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MessageBox(MainWindow, "One or more of the parameters passed to the function are incorrect.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_INVALIDPIXELFORMAT:
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MessageBox(MainWindow, "The pixel format was invalid as specified.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_INVALIDPOSITION:
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MessageBox(MainWindow, "Returned when the position of the overlay on the destination is no longer legal for that destination.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_INVALIDRECT:
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MessageBox(MainWindow, "Rectangle provided was invalid.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_INVALIDSURFACETYPE:
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MessageBox(MainWindow, "The requested action could not be performed because the surface was of the wrong type.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_LOCKEDSURFACES:
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MessageBox(MainWindow, "Operation could not be carried out because one or more surfaces are locked.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NO3D:
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MessageBox(MainWindow, "There is no 3D present.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOALPHAHW:
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MessageBox(MainWindow, "Operation could not be carried out because there is no alpha accleration hardware present or available.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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#if(0)
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case DDERR_NOANTITEARHW:
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MessageBox(MainWindow, "Operation could not be carried out because there is no hardware support for synchronizing blts to avoid tearing. ","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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#endif
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case DDERR_NOBLTHW:
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MessageBox(MainWindow, "No blter hardware present.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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#if(0)
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case DDERR_NOBLTQUEUEHW:
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MessageBox(MainWindow, "Operation could not be carried out because there is no hardware support for asynchronous blting. ","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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#endif
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case DDERR_NOCLIPLIST:
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MessageBox(MainWindow, "No cliplist available.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOCLIPPERATTACHED:
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MessageBox(MainWindow, "No clipper object attached to surface object.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOCOLORCONVHW:
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MessageBox(MainWindow, "Operation could not be carried out because there is no color conversion hardware present or available.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOCOLORKEY:
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MessageBox(MainWindow, "Surface doesn't currently have a color key","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOCOLORKEYHW:
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MessageBox(MainWindow, "Operation could not be carried out because there is no hardware support of the destination color key.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOCOOPERATIVELEVELSET:
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MessageBox(MainWindow, "Create function called without DirectDraw object method SetCooperativeLevel being called.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NODC:
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MessageBox(MainWindow, "No DC was ever created for this surface.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NODDROPSHW:
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MessageBox(MainWindow, "No DirectDraw ROP hardware.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NODIRECTDRAWHW:
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MessageBox(MainWindow, "A hardware-only DirectDraw object creation was attempted but the driver did not support any hardware.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NODIRECTDRAWSUPPORT:
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MessageBox(MainWindow, "No DirectDraw support possible with current display driver.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOEMULATION:
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MessageBox(MainWindow, "Software emulation not available.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOEXCLUSIVEMODE:
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MessageBox(MainWindow, "Operation requires the application to have exclusive mode but the application does not have exclusive mode.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOFLIPHW:
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MessageBox(MainWindow, "Flipping visible surfaces is not supported.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOGDI:
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MessageBox(MainWindow, "There is no GDI present.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOHWND:
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MessageBox(MainWindow, "Clipper notification requires an HWND or no HWND has previously been set as the CooperativeLevel HWND.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOMIRRORHW:
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MessageBox(MainWindow, "Operation could not be carried out because there is no hardware present or available.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOOVERLAYDEST:
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MessageBox(MainWindow, "Returned when GetOverlayPosition is called on an overlay that UpdateOverlay has never been called on to establish a destination.","Note", MB_ICONEXCLAMATION|MB_OK);
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break;
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case DDERR_NOOVERLAYHW:
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MessageBox(MainWindow, "Operation could not be carried out because there is no overlay hardware present or available.","Note", MB_ICONEXCLAMATION|MB_OK);
|
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|
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break;
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case DDERR_NOPALETTEATTACHED:
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MessageBox(MainWindow, "No palette object attached to this surface. ","Note", MB_ICONEXCLAMATION|MB_OK);
|
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break;
|
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case DDERR_NOPALETTEHW:
|
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MessageBox(MainWindow, "No hardware support for 16 or 256 color palettes.","Note", MB_ICONEXCLAMATION|MB_OK);
|
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|
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break;
|
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case DDERR_NORASTEROPHW:
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MessageBox(MainWindow, "Operation could not be carried out because there is no appropriate raster op hardware present or available.","Note", MB_ICONEXCLAMATION|MB_OK);
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|
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break;
|
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case DDERR_NOROTATIONHW:
|
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MessageBox(MainWindow, "Operation could not be carried out because there is no rotation hardware present or available.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
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case DDERR_NOSTRETCHHW:
|
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MessageBox(MainWindow, "Operation could not be carried out because there is no hardware support for stretching.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_NOT4BITCOLOR:
|
||
|
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MessageBox(MainWindow, "DirectDrawSurface is not in 4 bit color palette and the requested operation requires 4 bit color palette.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
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case DDERR_NOT4BITCOLORINDEX:
|
||
|
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MessageBox(MainWindow, "DirectDrawSurface is not in 4 bit color index palette and the requested operation requires 4 bit color index palette.","Note", MB_ICONEXCLAMATION|MB_OK);
|
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break;
|
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case DDERR_NOT8BITCOLOR:
|
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MessageBox(MainWindow, "DirectDrawSurface is not in 8 bit color mode and the requested operation requires 8 bit color.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
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break;
|
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|
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case DDERR_NOTAOVERLAYSURFACE:
|
||
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MessageBox(MainWindow, "Returned when an overlay member is called for a non-overlay surface.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
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case DDERR_NOTEXTUREHW:
|
||
|
|
MessageBox(MainWindow, "Operation could not be carried out because there is no texture mapping hardware present or available.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
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case DDERR_NOTFLIPPABLE:
|
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|
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MessageBox(MainWindow, "An attempt has been made to flip a surface that is not flippable.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
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case DDERR_NOTFOUND:
|
||
|
|
MessageBox(MainWindow, "Requested item was not found.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_NOTLOCKED:
|
||
|
|
MessageBox(MainWindow, "Surface was not locked. An attempt to unlock a surface that was not locked at all, or by this process, has been attempted.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_NOTPALETTIZED:
|
||
|
|
MessageBox(MainWindow, "The surface being used is not a palette-based surface.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_NOVSYNCHW:
|
||
|
|
MessageBox(MainWindow, "Operation could not be carried out because there is no hardware support for vertical blank synchronized operations.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_NOZBUFFERHW:
|
||
|
|
MessageBox(MainWindow, "Operation could not be carried out because there is no hardware support for zbuffer blting.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_NOZOVERLAYHW:
|
||
|
|
MessageBox(MainWindow, "Overlay surfaces could not be z layered based on their BltOrder because the hardware does not support z layering of overlays.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_OUTOFCAPS:
|
||
|
|
MessageBox(MainWindow, "The hardware needed for the requested operation has already been allocated.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_OUTOFMEMORY:
|
||
|
|
MessageBox(MainWindow, "DirectDraw does not have enough memory to perform the operation.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_OUTOFVIDEOMEMORY:
|
||
|
|
MessageBox(MainWindow, "DirectDraw does not have enough memory to perform the operation.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_OVERLAYCANTCLIP:
|
||
|
|
MessageBox(MainWindow, "The hardware does not support clipped overlays.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_OVERLAYCOLORKEYONLYONEACTIVE:
|
||
|
|
MessageBox(MainWindow, "Can only have ony color key active at one time for overlays.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_OVERLAYNOTVISIBLE:
|
||
|
|
MessageBox(MainWindow, "Returned when GetOverlayPosition is called on a hidden overlay.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_PALETTEBUSY:
|
||
|
|
MessageBox(MainWindow, "Access to this palette is being refused because the palette is already locked by another thread.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_PRIMARYSURFACEALREADYEXISTS:
|
||
|
|
MessageBox(MainWindow, "This process already has created a primary surface.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_REGIONTOOSMALL:
|
||
|
|
MessageBox(MainWindow, "Region passed to Clipper::GetClipList is too small.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_SURFACEALREADYATTACHED:
|
||
|
|
MessageBox(MainWindow, "This surface is already attached to the surface it is being attached to.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_SURFACEALREADYDEPENDENT:
|
||
|
|
MessageBox(MainWindow, "This surface is already a dependency of the surface it is being made a dependency of.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_SURFACEBUSY:
|
||
|
|
MessageBox(MainWindow, "Access to this surface is being refused because the surface is already locked by another thread.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_SURFACEISOBSCURED:
|
||
|
|
MessageBox(MainWindow, "Access to surface refused because the surface is obscured.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_SURFACELOST:
|
||
|
|
MessageBox(MainWindow, "Access to this surface is being refused because the surface memory is gone. The DirectDrawSurface object representing this surface should have Restore called on it.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_SURFACENOTATTACHED:
|
||
|
|
MessageBox(MainWindow, "The requested surface is not attached.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_TOOBIGHEIGHT:
|
||
|
|
MessageBox(MainWindow, "Height requested by DirectDraw is too large.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_TOOBIGSIZE:
|
||
|
|
MessageBox(MainWindow, "Size requested by DirectDraw is too large -- the individual height and width are OK.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_TOOBIGWIDTH:
|
||
|
|
MessageBox(MainWindow, "Width requested by DirectDraw is too large.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_UNSUPPORTED:
|
||
|
|
MessageBox(MainWindow, "Action not supported.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_UNSUPPORTEDFORMAT:
|
||
|
|
MessageBox(MainWindow, "FOURCC format requested is unsupported by DirectDraw.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_UNSUPPORTEDMASK:
|
||
|
|
MessageBox(MainWindow, "Bitmask in the pixel format requested is unsupported by DirectDraw.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_VERTICALBLANKINPROGRESS:
|
||
|
|
MessageBox(MainWindow, "Vertical blank is in progress.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_WASSTILLDRAWING:
|
||
|
|
MessageBox(MainWindow, "Informs DirectDraw that the previous Blt which is transfering information to or from this Surface is incomplete.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_WRONGMODE:
|
||
|
|
MessageBox(MainWindow, "This surface can not be restored because it was created in a different mode.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
case DDERR_XALIGN:
|
||
|
|
MessageBox(MainWindow, "Rectangle provided was not horizontally aligned on required boundary.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
char string[256];
|
||
|
|
sprintf (string, "Unrecognised Direct Draw result code: %d", result & 0xffff);
|
||
|
|
MessageBox(MainWindow, string,"Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* Check_Overlapped_Blit_Capability -- See if video driver supports blitting overlapped regions*
|
||
|
|
* *
|
||
|
|
* We will check for this by drawing something to a video page and blitting it over itself. *
|
||
|
|
* If we end up with the top line repeating then overlapped region blits dont work. *
|
||
|
|
* *
|
||
|
|
* INPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* OUTPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* WARNINGS: None *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 6/7/96 5:06PM ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
void Check_Overlapped_Blit_Capability(void)
|
||
|
|
{
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Assume we can until we find out otherwise
|
||
|
|
*/
|
||
|
|
OverlappedVideoBlits = TRUE;
|
||
|
|
|
||
|
|
GraphicBufferClass test_buffer;
|
||
|
|
|
||
|
|
test_buffer.Init (64, 64, NULL, 0, (GBC_Enum)GBC_VIDEOMEM);
|
||
|
|
|
||
|
|
test_buffer.Clear();
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Plot a pixel in the top left corner of the buffer.
|
||
|
|
*/
|
||
|
|
test_buffer.Put_Pixel(0, 0, 255);
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Blit the buffer down by one line. If we end up with a vertical strip of pixel 255's then
|
||
|
|
** overlapped blits dont work
|
||
|
|
*/
|
||
|
|
|
||
|
|
test_buffer.Blit(test_buffer, 0, 0, 0, 1, test_buffer.Get_Width(), test_buffer.Get_Height()-1);
|
||
|
|
|
||
|
|
if (test_buffer.Get_Pixel (0 ,5) == 255) OverlappedVideoBlits = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* Set_Video_Mode -- Initializes Direct Draw and sets the required Video Mode *
|
||
|
|
* *
|
||
|
|
* INPUT: int width - the width of the video mode in pixels *
|
||
|
|
* int height - the height of the video mode in pixels *
|
||
|
|
* int bits_per_pixel - the number of bits per pixel the video mode supports *
|
||
|
|
* *
|
||
|
|
* OUTPUT: none *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 09/26/1995 PWG : Created. *
|
||
|
|
*=============================================================================================*/
|
||
|
|
BOOL Set_Video_Mode(HWND hwnd, int w, int h, int bits_per_pixel)
|
||
|
|
{
|
||
|
|
// ST - 1/3/2019 10:41AM
|
||
|
|
return TRUE;
|
||
|
|
#if (0)
|
||
|
|
HRESULT result;
|
||
|
|
//
|
||
|
|
// If there is not currently a direct draw object then we need to define one.
|
||
|
|
//
|
||
|
|
if ( DirectDrawObject == NULL ){
|
||
|
|
//MessageBox(MainWindow, "In Set_Video_Mode. About to call DirectDrawCreate.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
result = DirectDrawCreate(NULL, &DirectDrawObject, NULL);
|
||
|
|
Process_DD_Result(result, FALSE);
|
||
|
|
if (result == DD_OK){
|
||
|
|
if (w==320){
|
||
|
|
result = DirectDrawObject->SetCooperativeLevel(hwnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX);
|
||
|
|
} else {
|
||
|
|
//MessageBox(MainWindow, "In Set_Video_Mode. About to call SetCooperativeLevel.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
result = DirectDrawObject->SetCooperativeLevel(hwnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
|
||
|
|
}
|
||
|
|
Process_DD_Result(result, FALSE);
|
||
|
|
}else{
|
||
|
|
return (FALSE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the required display mode with 8 bits per pixel
|
||
|
|
//
|
||
|
|
//MessageBox(MainWindow, "In Set_Video_Mode. About to call call SetDisplayMode.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
result = DirectDrawObject->SetDisplayMode ( w , h , bits_per_pixel );
|
||
|
|
if (result != DD_OK){
|
||
|
|
// Process_DD_Result(result, FALSE);
|
||
|
|
DirectDrawObject->Release();
|
||
|
|
DirectDrawObject = NULL;
|
||
|
|
return(FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Create a direct draw palette object
|
||
|
|
//
|
||
|
|
//MessageBox(MainWindow, "In Set_Video_Mode. About to call CreatePalette.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
result = DirectDrawObject->CreatePalette( DDPCAPS_8BIT | DDPCAPS_ALLOW256, &PaletteEntries[0] , &PalettePtr ,NULL);
|
||
|
|
Process_DD_Result(result, FALSE);
|
||
|
|
if (result != DD_OK){
|
||
|
|
return (FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
Check_Overlapped_Blit_Capability();
|
||
|
|
|
||
|
|
//MessageBox(MainWindow, "In Set_Video_Mode. About to return success.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
#if (0)
|
||
|
|
/*
|
||
|
|
** Find out if DirectX 2 extensions are available
|
||
|
|
*/
|
||
|
|
result = DirectDrawObject->QueryInterface (IID_IDirectDraw2, (LPVOID*)&DirectDraw2Interface);
|
||
|
|
SystemToVideoBlits = FALSE;
|
||
|
|
VideoToSystemBlits = FALSE;
|
||
|
|
SystemToSystemBlits= FALSE;
|
||
|
|
if (result != DD_OK){
|
||
|
|
DirectDraw2Interface = NULL;
|
||
|
|
}else{
|
||
|
|
DDCAPS capabilities;
|
||
|
|
DDCAPS emulated_capabilities;
|
||
|
|
|
||
|
|
memset ((char*)&capabilities, 0, sizeof(capabilities));
|
||
|
|
memset ((char*)&emulated_capabilities, 0, sizeof(emulated_capabilities));
|
||
|
|
capabilities.dwSize = sizeof (capabilities);
|
||
|
|
emulated_capabilities.dwSize = sizeof (emulated_capabilities);
|
||
|
|
|
||
|
|
DirectDrawObject->GetCaps (&capabilities, &emulated_capabilities);
|
||
|
|
|
||
|
|
if (capabilities.dwCaps & DDCAPS_CANBLTSYSMEM){
|
||
|
|
SystemToVideoBlits = (capabilities.dwSVBCaps & DDCAPS_BLT) ? TRUE : FALSE;
|
||
|
|
VideoToSystemBlits = (capabilities.dwVSBCaps & DDCAPS_BLT) ? TRUE : FALSE;
|
||
|
|
SystemToSystemBlits = (capabilities.dwSSBCaps & DDCAPS_BLT) ? TRUE : FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif //(0)
|
||
|
|
|
||
|
|
//MessageBox(MainWindow, "In Set_Video_Mode. About to return success.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
|
||
|
|
return (TRUE);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* Reset_Video_Mode -- Resets video mode and deletes Direct Draw Object *
|
||
|
|
* *
|
||
|
|
* INPUT: none *
|
||
|
|
* *
|
||
|
|
* OUTPUT: none *
|
||
|
|
* *
|
||
|
|
* WARNINGS: *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 09/26/1995 PWG : Created. *
|
||
|
|
*=============================================================================================*/
|
||
|
|
void Reset_Video_Mode(void)
|
||
|
|
{
|
||
|
|
HRESULT result;
|
||
|
|
|
||
|
|
//
|
||
|
|
// If a direct draw object has been declared and a video mode has been set
|
||
|
|
// then reset the video mode and release the direct draw object.
|
||
|
|
//
|
||
|
|
if ( DirectDrawObject ) {
|
||
|
|
result = DirectDrawObject->RestoreDisplayMode();
|
||
|
|
Process_DD_Result(result, FALSE);
|
||
|
|
result = DirectDrawObject->Release();
|
||
|
|
Process_DD_Result(result, FALSE);
|
||
|
|
|
||
|
|
DirectDrawObject = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* Get_Free_Video_Memory -- returns amount of free video memory *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* INPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* OUTPUT: bytes of available video RAM *
|
||
|
|
* *
|
||
|
|
* WARNINGS: None *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 11/29/95 12:52PM ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
unsigned int Get_Free_Video_Memory(void)
|
||
|
|
{
|
||
|
|
|
||
|
|
DDCAPS video_capabilities;
|
||
|
|
|
||
|
|
if (DirectDrawObject){
|
||
|
|
|
||
|
|
video_capabilities.dwSize = sizeof (video_capabilities);
|
||
|
|
|
||
|
|
//MessageBox(MainWindow, "In Get_Free_Video_Memory. About to call GetCaps","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
if (DD_OK == DirectDrawObject->GetCaps (&video_capabilities , NULL)){
|
||
|
|
char string [256];
|
||
|
|
sprintf (string, "In Get_Free_Video_Memory. About to return %d bytes",video_capabilities.dwVidMemFree);
|
||
|
|
//MessageBox(MainWindow, string,"Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
return (video_capabilities.dwVidMemFree);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//MessageBox(MainWindow, "In Get_Free_Video_Memory. About to return failure","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* Get_Video_Hardware_Caps -- returns bitmask of direct draw video hardware support *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* INPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* OUTPUT: hardware flags *
|
||
|
|
* *
|
||
|
|
* WARNINGS: Must call Set_Video_Mode 1st to create the direct draw object *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 1/12/96 9:14AM ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
unsigned Get_Video_Hardware_Capabilities(void)
|
||
|
|
{
|
||
|
|
DDCAPS video_capabilities;
|
||
|
|
unsigned video;
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Fail if the direct draw object has not been initialised
|
||
|
|
*/
|
||
|
|
if (!DirectDrawObject) return (0);
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Get the capabilities of the direct draw object
|
||
|
|
*/
|
||
|
|
video_capabilities.dwSize = sizeof(video_capabilities);
|
||
|
|
//MessageBox(MainWindow, "In Get_Video_Hardware_Capabilities. About to call GetCaps","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
HRESULT result = DirectDrawObject->GetCaps (&video_capabilities, NULL);
|
||
|
|
if (result != DD_OK){
|
||
|
|
Process_DD_Result(result, FALSE);
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Set flags to indicate the presence of the features we are interested in
|
||
|
|
*/
|
||
|
|
video = 0;
|
||
|
|
|
||
|
|
/* Hardware blits supported? */
|
||
|
|
if (video_capabilities.dwCaps & DDCAPS_BLT) video |= VIDEO_BLITTER;
|
||
|
|
|
||
|
|
/* Hardware blits asyncronous? */
|
||
|
|
if (video_capabilities.dwCaps & DDCAPS_BLTQUEUE) video |= VIDEO_BLITTER_ASYNC;
|
||
|
|
|
||
|
|
/* Can palette changes be synced to vertical refresh? */
|
||
|
|
if (video_capabilities.dwCaps & DDCAPS_PALETTEVSYNC) video |= VIDEO_SYNC_PALETTE;
|
||
|
|
|
||
|
|
/* Is the video cards memory bank switched? */
|
||
|
|
if (video_capabilities.dwCaps & DDCAPS_BANKSWITCHED) video |= VIDEO_BANK_SWITCHED;
|
||
|
|
|
||
|
|
/* Can the blitter do filled rectangles? */
|
||
|
|
if (video_capabilities.dwCaps & DDCAPS_BLTCOLORFILL) video |= VIDEO_COLOR_FILL;
|
||
|
|
|
||
|
|
/* Is there no hardware assistance avaailable at all? */
|
||
|
|
if (video_capabilities.dwCaps & DDCAPS_NOHARDWARE) video |= VIDEO_NO_HARDWARE_ASSIST;
|
||
|
|
|
||
|
|
//MessageBox(MainWindow, "In Get_Video_Hardware_Capabilities. About to return success.","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
return (video);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* Wait_Vert_Blank -- Waits for the start (leading edge) of a vertical blank *
|
||
|
|
* *
|
||
|
|
* INPUT: *
|
||
|
|
* *
|
||
|
|
* OUTPUT: *
|
||
|
|
* *
|
||
|
|
* WARNINGS: *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
*=============================================================================================*/
|
||
|
|
extern int ScreenWidth;
|
||
|
|
void Wait_Vert_Blank(void)
|
||
|
|
{
|
||
|
|
if (DirectDrawObject == NULL) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if( ScreenWidth!=320 && CanVblankSync){
|
||
|
|
HRESULT result = DirectDrawObject->WaitForVerticalBlank(DDWAITVB_BLOCKBEGIN, 0);
|
||
|
|
if (result == E_NOTIMPL){
|
||
|
|
CanVblankSync = FALSE;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
Process_DD_Result(result, FALSE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* Set_Palette -- set a direct draw palette *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* INPUT: ptr to 768 rgb palette bytes *
|
||
|
|
* *
|
||
|
|
* OUTPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* WARNINGS: None *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 10/11/95 3:33PM ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
void Set_DD_Palette ( void *palette )
|
||
|
|
{
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Trap null ptr
|
||
|
|
*/
|
||
|
|
if (!palette) return;
|
||
|
|
|
||
|
|
int j;
|
||
|
|
int k;
|
||
|
|
char *palette_get;
|
||
|
|
|
||
|
|
if ( DirectDrawObject && PaletteSurface ){
|
||
|
|
|
||
|
|
k=0;
|
||
|
|
|
||
|
|
palette_get = (char*)palette;
|
||
|
|
|
||
|
|
for( j=0 ; j<768 ; j+=3 )
|
||
|
|
{
|
||
|
|
PaletteEntries[k].peRed = (unsigned char)((*palette_get++)<<2);
|
||
|
|
PaletteEntries[k].peGreen = (unsigned char)((*palette_get++)<<2);
|
||
|
|
PaletteEntries[k].peBlue = (unsigned char)((*palette_get++)<<2);
|
||
|
|
k++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( !FirstPaletteSet ){
|
||
|
|
//MessageBox(MainWindow, "In Set_DD_Palette. About to call SetPalette","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
PaletteSurface->SetPalette( PalettePtr );
|
||
|
|
FirstPaletteSet=TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//MessageBox(MainWindow, "In Set_DD_Palette. About to call SetEntries","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
PalettePtr->SetEntries( 0 , 0 , 256 , &PaletteEntries[0] );
|
||
|
|
}
|
||
|
|
//MessageBox(MainWindow, "Leaving Set_DD_Palette","Note", MB_ICONEXCLAMATION|MB_OK);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* Wait_Blit -- waits for the DirectDraw blitter to become idle *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* INPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* OUTPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* WARNINGS: None *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 07-25-95 03:53pm ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
|
||
|
|
void Wait_Blit (void)
|
||
|
|
{
|
||
|
|
HRESULT return_code;
|
||
|
|
|
||
|
|
do {
|
||
|
|
return_code=PaletteSurface->GetBltStatus (DDGBS_ISBLTDONE);
|
||
|
|
} while (return_code != DD_OK && return_code != DDERR_SURFACELOST);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* SMC::SurfaceMonitorClass -- constructor for surface monitor class *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* INPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* OUTPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* WARNINGS: None *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 11/3/95 3:23PM ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
|
||
|
|
SurfaceMonitorClass::SurfaceMonitorClass(void)
|
||
|
|
{
|
||
|
|
for (int i=0 ; i<MAX_SURFACES ; i++)
|
||
|
|
{
|
||
|
|
Surface[i]=NULL;
|
||
|
|
}
|
||
|
|
InFocus=FALSE;
|
||
|
|
SurfacesRestored=FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* SMC::Add_DD_Surface -- add a new surface to the list *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* INPUT: ptr to surface *
|
||
|
|
* *
|
||
|
|
* OUTPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* WARNINGS: None *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 11/3/95 3:24PM ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
void SurfaceMonitorClass::Add_DD_Surface (LPDIRECTDRAWSURFACE new_surface)
|
||
|
|
{
|
||
|
|
if ( !Got_Surface_Already (new_surface) ){
|
||
|
|
for (int i=0 ; i<MAX_SURFACES ; i++)
|
||
|
|
{
|
||
|
|
if ( Surface[i]==NULL ){
|
||
|
|
Surface[i]=new_surface;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* SMC::Remove_DD_Surface -- remove a direct draw surface from the list *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* INPUT: ptr to Surface *
|
||
|
|
* *
|
||
|
|
* OUTPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* WARNINGS: None *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 11/3/95 3:25PM ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
|
||
|
|
void SurfaceMonitorClass::Remove_DD_Surface (LPDIRECTDRAWSURFACE old_surface)
|
||
|
|
{
|
||
|
|
for (int i=0 ; i<MAX_SURFACES ; i++)
|
||
|
|
{
|
||
|
|
if ( Surface[i]==old_surface ){
|
||
|
|
Surface[i]=NULL;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* SMC::Got_Surface_Already -- check if a surface is already in the list *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* INPUT: ptr to surface *
|
||
|
|
* *
|
||
|
|
* OUTPUT: True if surface is in list *
|
||
|
|
* *
|
||
|
|
* WARNINGS: None *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 11/3/95 3:25PM ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
|
||
|
|
BOOL SurfaceMonitorClass::Got_Surface_Already (LPDIRECTDRAWSURFACE test_surface)
|
||
|
|
{
|
||
|
|
for (int i=0 ; i<MAX_SURFACES ; i++)
|
||
|
|
{
|
||
|
|
if ( Surface[i]==test_surface ){
|
||
|
|
return(TRUE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return (FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* SMC::Restore_Surfaces -- restore the direct draw surfaces in the list *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* *
|
||
|
|
* INPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* OUTPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* WARNINGS: None *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 11/3/95 3:26PM ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
|
||
|
|
void SurfaceMonitorClass::Restore_Surfaces (void)
|
||
|
|
{
|
||
|
|
if (InFocus){
|
||
|
|
/*
|
||
|
|
** Call restore for each Direct Draw surface
|
||
|
|
*/
|
||
|
|
for (int i=0 ; i<MAX_SURFACES ; i++)
|
||
|
|
{
|
||
|
|
if ( Surface[i] ){
|
||
|
|
if (Surface[i]->Restore() != DD_OK){
|
||
|
|
if (Misc_Focus_Loss_Function){
|
||
|
|
Misc_Focus_Loss_Function();
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** PWG/ST: Now that we know all the surfaces are restored call
|
||
|
|
** the function pointer to notify the program that it has
|
||
|
|
** happened. This function pointer is used to clear the pages,
|
||
|
|
** etc.
|
||
|
|
*/
|
||
|
|
if (Misc_Focus_Restore_Function){
|
||
|
|
Misc_Focus_Restore_Function();
|
||
|
|
}
|
||
|
|
|
||
|
|
SurfacesRestored = TRUE;
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Restore the palette
|
||
|
|
*/
|
||
|
|
Set_DD_Palette (CurrentPalette);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* SMC::Set_Surface_Focus -- set the InFocus flag to the given state *
|
||
|
|
* *
|
||
|
|
* The InFocus flag is used to keep track of whether our application is currently in focus. *
|
||
|
|
* We dont want to be restoring video surfaces when we are supposed to be running in the *
|
||
|
|
* background. *
|
||
|
|
* *
|
||
|
|
* INPUT: bool in focus *
|
||
|
|
* *
|
||
|
|
* OUTPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* WARNINGS: None *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 11/6/95 12:21PM ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
|
||
|
|
void SurfaceMonitorClass::Set_Surface_Focus ( BOOL in_focus )
|
||
|
|
{
|
||
|
|
InFocus=in_focus;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* SMC::Release -- releases all direct draw surfaces *
|
||
|
|
* *
|
||
|
|
* Call this at the end of the game before called RestoreDisplayMode *
|
||
|
|
* *
|
||
|
|
* INPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* OUTPUT: Nothing *
|
||
|
|
* *
|
||
|
|
* WARNINGS: None *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 6/6/96 12:23PM ST : Created *
|
||
|
|
*=============================================================================================*/
|
||
|
|
|
||
|
|
void SurfaceMonitorClass::Release(void)
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
** Call release for each Direct Draw surface
|
||
|
|
*/
|
||
|
|
for (int i=0 ; i<MAX_SURFACES ; i++)
|
||
|
|
{
|
||
|
|
if ( Surface[i] ){
|
||
|
|
Surface[i]->Release();
|
||
|
|
Surface[i] = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|