isle/LEGO1/mxdirectdraw.cpp

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#include "mxdirectdraw.h"
#include "decomp.h"
DECOMP_SIZE_ASSERT(MxDirectDraw, 0x880);
DECOMP_SIZE_ASSERT(MxDirectDraw::DeviceModesInfo, 0x17c);
#ifndef DDSCAPS_3DDEVICE
#define DDSCAPS_3DDEVICE 0x00002000l
#endif
// GLOBAL OFFSET: LEGO1 0x10100C68
2023-10-24 19:24:29 -04:00
BOOL g_is_PALETTEINDEXED8 = 0;
// OFFSET: LEGO1 0x1009DA20
void EnableResizing(HWND hwnd, BOOL flag)
{
static DWORD dwStyle;
if (!flag)
{
dwStyle = GetWindowLong(hwnd, GWL_STYLE);
if (dwStyle & WS_THICKFRAME)
{
SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) ^ WS_THICKFRAME);
}
}
else
{
SetWindowLong(hwnd, GWL_STYLE, dwStyle);
}
}
// OFFSET: LEGO1 0x1009efb0
MxDirectDraw::DeviceModesInfo::DeviceModesInfo()
{
memset(this, 0, sizeof(*this));
}
// OFFSET: LEGO1 0x1009EFD0
MxDirectDraw::DeviceModesInfo::~DeviceModesInfo()
{
if (p_guid != NULL)
{
delete p_guid;
}
if (m_mode_ARRAY != NULL)
{
delete m_mode_ARRAY;
}
}
// OFFSET: LEGO1 0x1009D490
MxDirectDraw::MxDirectDraw()
{
m_pFrontBuffer = NULL;
m_pBackBuffer = NULL;
m_pZBuffer = NULL;
m_pClipper = NULL;
m_pPalette = NULL;
m_pDirectDraw = NULL;
m_pText1Surface = NULL;
m_pText2Surface = NULL;
m_hWndMain = NULL;
m_bIgnoreWM_SIZE = FALSE;
m_bPrimaryPalettized = FALSE;
m_bOnlySystemMemory = FALSE;
m_bFullScreen = FALSE;
m_bOnlySoftRender = FALSE;
m_pauseCount = 0;
m_pErrorHandler = NULL;
m_pFatalErrorHandler = NULL;
m_pErrorHandlerArg = NULL;
m_pFatalErrorHandlerArg = NULL;
m_pCurrentDeviceModesList = NULL;
m_bIsOnPrimaryDevice = TRUE;
m_hFont = NULL;
}
// OFFSET: LEGO1 0x1009D530
MxDirectDraw::~MxDirectDraw()
{
Destroy();
if (m_pCurrentDeviceModesList != NULL)
{
delete m_pCurrentDeviceModesList;
m_pCurrentDeviceModesList = NULL;
}
}
// OFFSET: LEGO1 0x1009d570
int MxDirectDraw::GetPrimaryBitDepth()
{
DWORD dwRGBBitCount;
LPDIRECTDRAW pDDraw;
DDSURFACEDESC ddsd;
HRESULT result = DirectDrawCreate(NULL, &pDDraw, NULL);
dwRGBBitCount = 8;
if (!result)
{
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
pDDraw->GetDisplayMode(&ddsd);
dwRGBBitCount = ddsd.ddpfPixelFormat.dwRGBBitCount;
g_is_PALETTEINDEXED8 = (ddsd.ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8) != 0;
pDDraw->Release();
}
return dwRGBBitCount;
}
// OFFSET: LEGO1 0x1009D5E0
BOOL MxDirectDraw::Create(
HWND hWnd,
BOOL fullscreen_1,
BOOL surface_fullscreen,
BOOL onlySystemMemory,
int width,
int height,
int bpp,
const PALETTEENTRY* pPaletteEntries,
int paletteEntryCount)
{
m_hWndMain = hWnd;
CacheOriginalPaletteEntries();
if (!RecreateDirectDraw(&m_pCurrentDeviceModesList->p_guid))
{
return FALSE;
}
m_bFlipSurfaces = surface_fullscreen;
m_bOnlySystemMemory = onlySystemMemory;
m_bIsOnPrimaryDevice = !m_pCurrentDeviceModesList->p_guid;
BOOL fullscreen = 1;
if (m_bIsOnPrimaryDevice)
{
fullscreen = fullscreen_1;
}
if (!SetPaletteEntries(pPaletteEntries, paletteEntryCount, fullscreen))
{
return FALSE;
}
if (!DDInit(fullscreen))
{
return FALSE;
}
if (!DDSetMode(width, height, bpp))
{
return FALSE;
}
return TRUE;
}
// OFFSET: LEGO1 0x1009D800
void MxDirectDraw::Destroy()
{
DestroyButNotDirectDraw();
FUN_1009D920();
if (m_pDirectDraw != NULL)
{
m_pDirectDraw->Release();
m_pDirectDraw = NULL;
}
m_bIsOnPrimaryDevice = TRUE;
if (m_pCurrentDeviceModesList != NULL)
{
delete m_pCurrentDeviceModesList;
m_pCurrentDeviceModesList = NULL;
}
}
// OFFSET: LEGO1 0x1009D860
void MxDirectDraw::DestroyButNotDirectDraw()
{
RestoreOriginalPaletteEntries();
if (m_bFullScreen)
{
if (m_pDirectDraw != NULL)
{
m_bIgnoreWM_SIZE = TRUE;
m_pDirectDraw->RestoreDisplayMode();
m_bIgnoreWM_SIZE = FALSE;
}
}
if (m_pPalette)
{
m_pPalette->Release();
m_pPalette = NULL;
}
if (m_pClipper)
{
m_pClipper->Release();
m_pClipper = NULL;
}
if (m_pText1Surface)
{
m_pText1Surface->Release();
m_pText1Surface = NULL;
}
if (m_pText2Surface)
{
m_pText2Surface->Release();
m_pText2Surface = NULL;
}
if (m_pZBuffer)
{
m_pZBuffer->Release();
m_pZBuffer = NULL;
}
if (m_pBackBuffer)
{
m_pBackBuffer->Release();
m_pBackBuffer = NULL;
}
if (m_pFrontBuffer)
{
m_pFrontBuffer->Release();
m_pFrontBuffer = NULL;
}
}
// OFFSET: LEGO1 0x1009e6a0
int MxDirectDraw::Pause(int p_increment)
{
if (p_increment)
{
m_pauseCount++;
if (m_pauseCount > 1)
{
return TRUE;
}
if (!RestoreOriginalPaletteEntries())
{
return FALSE;
}
if (m_bFullScreen)
{
if (!FlipToGDISurface())
{
return FALSE;
}
DrawMenuBar(m_hWndMain);
RedrawWindow(m_hWndMain, NULL, NULL, RDW_FRAME);
}
}
else
{
m_pauseCount--;
if (m_pauseCount > 0)
{
return TRUE;
}
else if (m_pauseCount < 0)
{
m_pauseCount = 0;
}
if (!RestorePaletteEntries())
{
return FALSE;
}
}
return TRUE;
}
// OFFSET: LEGO1 0x1009E880
const char* MxDirectDraw::ErrorToString(HRESULT error)
{
switch(error) {
case DD_OK:
return "No error.\0";
case DDERR_ALREADYINITIALIZED:
return "This object is already initialized.\0";
case DDERR_BLTFASTCANTCLIP:
return "Return if a clipper object is attached to the source surface passed into a BltFast call.\0";
case DDERR_CANNOTATTACHSURFACE:
return "This surface can not be attached to the requested surface.\0";
case DDERR_CANNOTDETACHSURFACE:
return "This surface can not be detached from the requested surface.\0";
case DDERR_CANTCREATEDC:
return "Windows can not create any more DCs.\0";
case DDERR_CANTDUPLICATE:
return "Can't duplicate primary & 3D surfaces, or surfaces that are implicitly created.\0";
case DDERR_CLIPPERISUSINGHWND:
return "An attempt was made to set a cliplist for a clipper object that is already monitoring an hwnd.\0";
case DDERR_COLORKEYNOTSET:
return "No src color key specified for this operation.\0";
case DDERR_CURRENTLYNOTAVAIL:
return "Support is currently not available.\0";
case DDERR_DIRECTDRAWALREADYCREATED:
return "A DirectDraw object representing this driver has already been created for this process.\0";
case DDERR_EXCEPTION:
return "An exception was encountered while performing the requested operation.\0";
case DDERR_EXCLUSIVEMODEALREADYSET:
return "An attempt was made to set the cooperative level when it was already set to exclusive.\0";
case DDERR_GENERIC:
return "Generic failure.\0";
case DDERR_HEIGHTALIGN:
return "Height of rectangle provided is not a multiple of reqd alignment.\0";
case DDERR_HWNDALREADYSET:
return "The CooperativeLevel HWND has already been set. It can not be reset while the process has surfaces or palettes created.\0";
case DDERR_HWNDSUBCLASSED:
return "HWND used by DirectDraw CooperativeLevel has been subclassed, this prevents DirectDraw from restoring state.\0";
case DDERR_IMPLICITLYCREATED:
return "This surface can not be restored because it is an implicitly created surface.\0";
case DDERR_INCOMPATIBLEPRIMARY:
return "Unable to match primary surface creation request with existing primary surface.\0";
case DDERR_INVALIDCAPS:
return "One or more of the caps bits passed to the callback are incorrect.\0";
case DDERR_INVALIDCLIPLIST:
return "DirectDraw does not support the provided cliplist.\0";
case DDERR_INVALIDDIRECTDRAWGUID:
return "The GUID passed to DirectDrawCreate is not a valid DirectDraw driver identifier.\0";
case DDERR_INVALIDMODE:
return "DirectDraw does not support the requested mode.\0";
case DDERR_INVALIDOBJECT:
return "DirectDraw received a pointer that was an invalid DIRECTDRAW object.\0";
case DDERR_INVALIDPARAMS:
return "One or more of the parameters passed to the function are incorrect.\0";
case DDERR_INVALIDPIXELFORMAT:
return "The pixel format was invalid as specified.\0";
case DDERR_INVALIDPOSITION:
return "Returned when the position of the overlay on the destination is no longer legal for that destination.\0";
case DDERR_INVALIDRECT:
return "Rectangle provided was invalid.\0";
case DDERR_LOCKEDSURFACES:
return "Operation could not be carried out because one or more surfaces are locked.\0";
case DDERR_NO3D:
return "There is no 3D present.\0";
case DDERR_NOALPHAHW:
return "Operation could not be carried out because there is no alpha accleration hardware present or available.\0";
case DDERR_NOBLTHW:
return "No blitter hardware present.\0";
case DDERR_NOCLIPLIST:
return "No cliplist available.\0";
case DDERR_NOCLIPPERATTACHED:
return "No clipper object attached to surface object.\0";
case DDERR_NOCOLORCONVHW:
return "Operation could not be carried out because there is no color conversion hardware present or available.\0";
case DDERR_NOCOLORKEY:
return "Surface doesn't currently have a color key\0";
case DDERR_NOCOLORKEYHW:
return "Operation could not be carried out because there is no hardware support of the destination color key.\0";
case DDERR_NOCOOPERATIVELEVELSET:
return "Create function called without DirectDraw object method SetCooperativeLevel being called.\0";
case DDERR_NODC:
return "No DC was ever created for this surface.\0";
case DDERR_NODDROPSHW:
return "No DirectDraw ROP hardware.\0";
case DDERR_NODIRECTDRAWHW:
return "A hardware-only DirectDraw object creation was attempted but the driver did not support any hardware.\0";
case DDERR_NOEMULATION:
return "Software emulation not available.\0";
case DDERR_NOEXCLUSIVEMODE:
return "Operation requires the application to have exclusive mode but the application does not have exclusive mode.\0";
case DDERR_NOFLIPHW:
return "Flipping visible surfaces is not supported.\0";
case DDERR_NOGDI:
return "There is no GDI present.\0";
case DDERR_NOHWND:
return "Clipper notification requires an HWND or no HWND has previously been set as the CooperativeLevel HWND.\0";
case DDERR_NOMIRRORHW:
return "Operation could not be carried out because there is no hardware present or available.\0";
case DDERR_NOOVERLAYDEST:
return "Returned when GetOverlayPosition is called on an overlay that UpdateOverlay has never been called on to establish a destination.\0";
case DDERR_NOOVERLAYHW:
return "Operation could not be carried out because there is no overlay hardware present or available.\0";
case DDERR_NOPALETTEATTACHED:
return "No palette object attached to this surface.\0";
case DDERR_NOPALETTEHW:
return "No hardware support for 16 or 256 color palettes.\0";
case DDERR_NORASTEROPHW:
return "Operation could not be carried out because there is no appropriate raster op hardware present or available.\0";
case DDERR_NOROTATIONHW:
return "Operation could not be carried out because there is no rotation hardware present or available.\0";
case DDERR_NOSTRETCHHW:
return "Operation could not be carried out because there is no hardware support for stretching.\0";
case DDERR_NOT4BITCOLOR:
return "DirectDrawSurface is not in 4 bit color palette and the requested operation requires 4 bit color palette.\0";
case DDERR_NOT4BITCOLORINDEX:
return "DirectDrawSurface is not in 4 bit color index palette and the requested operation requires 4 bit color index palette.\0";
case DDERR_NOT8BITCOLOR:
return "DirectDrawSurface is not in 8 bit color mode and the requested operation requires 8 bit color.\0";
case DDERR_NOTAOVERLAYSURFACE:
return "Returned when an overlay member is called for a non-overlay surface.\0";
case DDERR_NOTEXTUREHW:
return "Operation could not be carried out because there is no texture mapping hardware present or available.\0";
case DDERR_NOTFLIPPABLE:
return "An attempt has been made to flip a surface that is not flippable.\0";
case DDERR_NOTFOUND:
return "Requested item was not found.\0";
case DDERR_NOTLOCKED:
return "Surface was not locked. An attempt to unlock a surface that was not locked at all, or by this process, has been attempted.\0";
case DDERR_NOTPALETTIZED:
return "The surface being used is not a palette-based surface.\0";
case DDERR_NOVSYNCHW:
return "Operation could not be carried out because there is no hardware support for vertical blank synchronized operations.\0";
case DDERR_NOZBUFFERHW:
return "Operation could not be carried out because there is no hardware support for zbuffer blitting.\0";
case DDERR_NOZOVERLAYHW:
return "Overlay surfaces could not be z layered based on their BltOrder because the hardware does not support z layering of overlays.\0";
case DDERR_OUTOFCAPS:
return "The hardware needed for the requested operation has already been allocated.\0";
case DDERR_OUTOFMEMORY:
return "DirectDraw does not have enough memory to perform the operation.\0";
case DDERR_OUTOFVIDEOMEMORY:
return "DirectDraw does not have enough memory to perform the operation.\0";
case DDERR_OVERLAYCANTCLIP:
return "The hardware does not support clipped overlays.\0";
case DDERR_OVERLAYCOLORKEYONLYONEACTIVE:
return "Can only have ony color key active at one time for overlays.\0";
case DDERR_OVERLAYNOTVISIBLE:
return "Returned when GetOverlayPosition is called on a hidden overlay.\0";
case DDERR_PALETTEBUSY:
return "Access to this palette is being refused because the palette is already locked by another thread.\0";
case DDERR_PRIMARYSURFACEALREADYEXISTS:
return "This process already has created a primary surface.\0";
case DDERR_REGIONTOOSMALL:
return "Region passed to Clipper::GetClipList is too small.\0";
case DDERR_SURFACEALREADYATTACHED:
return "This surface is already attached to the surface it is being attached to.\0";
case DDERR_SURFACEALREADYDEPENDENT:
return "This surface is already a dependency of the surface it is being made a dependency of.\0";
case DDERR_SURFACEBUSY:
return "Access to this surface is being refused because the surface is already locked by another thread.\0";
case DDERR_SURFACEISOBSCURED:
return "Access to surface refused because the surface is obscured.\0";
case DDERR_SURFACELOST:
return "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.\0";
case DDERR_SURFACENOTATTACHED:
return "The requested surface is not attached.\0";
case DDERR_TOOBIGHEIGHT:
return "Height requested by DirectDraw is too large.\0";
case DDERR_TOOBIGSIZE:
return "Size requested by DirectDraw is too large, but the individual height and width are OK.\0";
case DDERR_TOOBIGWIDTH:
return "Width requested by DirectDraw is too large.\0";
case DDERR_UNSUPPORTED:
return "Action not supported.\0";
case DDERR_UNSUPPORTEDFORMAT:
return "FOURCC format requested is unsupported by DirectDraw.\0";
case DDERR_UNSUPPORTEDMASK:
return "Bitmask in the pixel format requested is unsupported by DirectDraw.\0";
case DDERR_VERTICALBLANKINPROGRESS:
return "Vertical blank is in progress.\0";
case DDERR_WASSTILLDRAWING:
return "Informs DirectDraw that the previous Blt which is transfering information to or from this Surface is incomplete.\0";
case DDERR_WRONGMODE:
return "This surface can not be restored because it was created in a different mode.\0";
case DDERR_XALIGN:
return "Rectangle provided was not horizontally aligned on required boundary.\0";
default:
return "Unrecognized error value.\0";
}
}
// OFFSET: LEGO1 0x1009D6C0
BOOL MxDirectDraw::CacheOriginalPaletteEntries()
{
HDC DC;
if (g_is_PALETTEINDEXED8)
{
DC = GetDC(0);
GetSystemPaletteEntries(DC, 0, _countof(m_originalPaletteEntries), m_originalPaletteEntries);
ReleaseDC(0, DC);
}
return TRUE;
}
// OFFSET: LEGO1 0x1009DD80
HRESULT MxDirectDraw::CreateDDSurface(
LPDDSURFACEDESC a2,
LPDIRECTDRAWSURFACE* a3,
IUnknown* a4)
{
return m_pDirectDraw->CreateSurface(a2, a3, a4);
}
// OFFSET: LEGO1 0x1009E250
BOOL MxDirectDraw::CreateTextSurfaces()
{
HRESULT result;
DDCOLORKEY ddck;
DDSURFACEDESC ddsd;
HDC DC;
char dummyinfo[] = "000x000x00 (RAMP) 0000";
char dummyfps[] = "000.00 fps (000.00 fps (000.00 fps) 00000 tps)";
if (m_hFont != NULL)
{
DeleteObject(m_hFont);
}
m_hFont = CreateFontA(m_currentMode.width <= 600 ? 12 : 24,
0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE,
ANSI_CHARSET,
OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
VARIABLE_PITCH,
"Arial");
DC = GetDC(NULL);
SelectObject(DC, m_hFont);
GetTextExtentPointA(DC, dummyfps, strlen(dummyfps), &m_text1SizeOnSurface);
GetTextExtentPointA(DC, dummyinfo, strlen(dummyinfo), &m_text2SizeOnSurface);
ReleaseDC(NULL, DC);
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
if (m_bOnlySystemMemory)
ddsd.ddsCaps.dwCaps = DDSCAPS_SYSTEMMEMORY | DDSCAPS_OFFSCREENPLAIN;
ddsd.dwHeight = m_text1SizeOnSurface.cy;
ddsd.dwWidth = m_text1SizeOnSurface.cx;
result = CreateDDSurface(&ddsd, &m_pText1Surface, 0);
if (result != DD_OK)
{
Error("CreateSurface for text surface 1 failed", result);
return FALSE;
}
memset(&ddck, 0, sizeof(ddck));
m_pText1Surface->SetColorKey(DDCKEY_SRCBLT, &ddck);
if (!TextToTextSurface1(dummyfps))
{
return FALSE;
}
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
if (m_bOnlySystemMemory)
ddsd.ddsCaps.dwCaps = DDSCAPS_SYSTEMMEMORY | DDSCAPS_OFFSCREENPLAIN;
ddsd.dwHeight = m_text2SizeOnSurface.cy;
ddsd.dwWidth = m_text2SizeOnSurface.cx;
result = CreateDDSurface(&ddsd, &m_pText2Surface, 0);
if (result != DD_OK)
{
Error("CreateSurface for text surface 2 failed", result);
return FALSE;
}
memset(&ddck, 0, sizeof(ddck));
m_pText2Surface->SetColorKey(DDCKEY_SRCBLT, &ddck);
if (!TextToTextSurface2(dummyinfo))
{
return FALSE;
}
return TRUE;
}
// OFFSET: LEGO1 0x1009E5E0
BOOL MxDirectDraw::CreateZBuffer(DWORD memorytype, DWORD depth)
{
HRESULT result; // eax
LPDIRECTDRAWSURFACE lpZBuffer; // [esp+8h] [ebp-70h] BYREF
DDSURFACEDESC ddsd;
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwHeight = m_currentMode.height;
ddsd.dwWidth = m_currentMode.width;
ddsd.dwZBufferBitDepth = depth;
ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS | DDSD_ZBUFFERBITDEPTH;
ddsd.ddsCaps.dwCaps = DDSCAPS_ZBUFFER | memorytype;
result = CreateDDSurface(&ddsd, &lpZBuffer, 0);
if (result != DD_OK)
{
Error("CreateSurface for fullScreen Z-buffer failed", result);
return FALSE;
}
result = m_pBackBuffer->AddAttachedSurface(lpZBuffer);
if (result != DD_OK)
{
Error("AddAttachedBuffer failed for Z-Buffer", result);
return FALSE;
}
m_pZBuffer = lpZBuffer;
return TRUE;
}
// OFFSET: LEGO1 0x1009DDF0
BOOL MxDirectDraw::DDCreateSurfaces()
{
HRESULT result;
DDSCAPS ddscaps;
DDSURFACEDESC ddsd;
if (m_bFlipSurfaces)
{
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_3DDEVICE | DDSCAPS_COMPLEX;
if (m_bOnlySystemMemory)
{
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_3DDEVICE | DDSCAPS_COMPLEX | DDSCAPS_SYSTEMMEMORY;
}
ddsd.dwBackBufferCount = 1;
result = CreateDDSurface(&ddsd, &m_pFrontBuffer, 0);
if (result != DD_OK)
{
Error("CreateSurface for front/back fullScreen buffer failed", result);
return FALSE;
}
ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
result = m_pFrontBuffer->GetAttachedSurface(&ddscaps, &m_pBackBuffer);
if (result != DD_OK)
{
Error("GetAttachedSurface failed to get back buffer", result);
return FALSE;
}
if (!GetDDSurfaceDesc(&ddsd, m_pBackBuffer))
{
return FALSE;
}
}
else
{
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
result = CreateDDSurface(&ddsd, &m_pFrontBuffer, NULL);
if (result != DD_OK)
{
Error("CreateSurface for window front buffer failed", result);
return FALSE;
}
ddsd.dwHeight = m_currentMode.height;
ddsd.dwWidth = m_currentMode.width;
ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
if (m_bOnlySystemMemory)
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE | DDSCAPS_SYSTEMMEMORY;
result = CreateDDSurface(&ddsd, &m_pBackBuffer, NULL);
if (result != DD_OK)
{
Error("CreateSurface for window back buffer failed", result);
return FALSE;
}
if (!GetDDSurfaceDesc(&ddsd, m_pBackBuffer))
{
return FALSE;
}
result = m_pDirectDraw->CreateClipper(0, &m_pClipper, NULL);
if (result != DD_OK)
{
Error("CreateClipper failed", result);
return FALSE;
}
result = m_pClipper->SetHWnd(0, m_hWndMain);
if (result != DD_OK)
{
Error("Clipper SetHWnd failed", result);
return FALSE;
}
result = m_pFrontBuffer->SetClipper(m_pClipper);
if (result != DD_OK)
{
Error("SetClipper failed", result);
return FALSE;
}
}
return TRUE;
}
// OFFSET: LEGO1 0x1009D960
BOOL MxDirectDraw::DDInit(BOOL fullscreen)
{
HRESULT result;
if (fullscreen)
{
m_bIgnoreWM_SIZE = 1;
result = m_pDirectDraw->SetCooperativeLevel(m_hWndMain, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
m_bIgnoreWM_SIZE = 0;
}
else
{
result = m_pDirectDraw->SetCooperativeLevel(m_hWndMain, DDSCL_NORMAL);
}
if (result != DD_OK)
{
Error("SetCooperativeLevel failed", result);
return FALSE;
}
m_bFullScreen = fullscreen;
return TRUE;
}
// OFFSET: LEGO1 0x1009DA80
BOOL MxDirectDraw::DDSetMode(int width, int height, int bpp)
{
HRESULT result;
if (m_bFullScreen)
{
LPDIRECTDRAW lpDD;
EnableResizing(m_hWndMain, FALSE);
if (!m_bIsOnPrimaryDevice)
{
lpDD = NULL;
result = DirectDrawCreate(0, &lpDD, 0);
if (result == DD_OK)
{
result = lpDD->SetCooperativeLevel(m_hWndMain, DDSCL_FULLSCREEN | DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT);
if (result == DD_OK)
{
lpDD->SetDisplayMode(width, height, 8);
}
}
}
if (!IsSupportedMode(width, height, bpp))
{
width = m_pCurrentDeviceModesList->m_mode_ARRAY[0].width;
height = m_pCurrentDeviceModesList->m_mode_ARRAY[0].height;
bpp = m_pCurrentDeviceModesList->m_mode_ARRAY[0].bitsPerPixel;
}
m_bIgnoreWM_SIZE = TRUE;
result = m_pDirectDraw->SetDisplayMode(width, height, bpp);
m_bIgnoreWM_SIZE = FALSE;
if (result != DD_OK)
{
Error("SetDisplayMode failed", result);
return FALSE;
}
}
else
{
RECT rc;
DWORD dwStyle;
if (!m_bIsOnPrimaryDevice)
{
Error("Attempt made enter a windowed mode on a DirectDraw device that is not the primary display", E_FAIL);
return FALSE;
}
m_bIgnoreWM_SIZE = TRUE;
dwStyle = GetWindowLong(m_hWndMain, GWL_STYLE);
dwStyle &= ~(WS_POPUP | WS_CAPTION | WS_THICKFRAME | WS_OVERLAPPED);
dwStyle |= WS_CAPTION | WS_THICKFRAME | WS_OVERLAPPED;
SetWindowLong(m_hWndMain, GWL_STYLE, dwStyle);
SetRect(&rc, 0, 0, width - 1, height - 1);
AdjustWindowRectEx(
&rc,
GetWindowLong(m_hWndMain, GWL_STYLE),
GetMenu(m_hWndMain) != NULL,
GetWindowLong(m_hWndMain, GWL_EXSTYLE)
);
SetWindowPos(m_hWndMain, NULL, 0, 0, rc.right - rc.left + 1, rc.bottom - rc.top + 1, SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
SetWindowPos(m_hWndMain, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
m_bIgnoreWM_SIZE = FALSE;
}
m_currentMode.width = width;
m_currentMode.height = height;
m_currentMode.bitsPerPixel = bpp;
if (!DDCreateSurfaces())
{
return FALSE;
}
DDSURFACEDESC ddsd;
FUN_1009E020();
if (!GetDDSurfaceDesc(&ddsd, m_pBackBuffer))
{
return FALSE;
}
if (ddsd.ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8)
{
m_bPrimaryPalettized = TRUE;
}
else
{
m_bPrimaryPalettized = FALSE;
}
if (m_bPrimaryPalettized)
{
result = m_pDirectDraw->CreatePalette(
DDPCAPS_8BIT | DDPCAPS_ALLOW256 | DDPCAPS_INITIALIZE, //0x4c
m_paletteEntries,
&m_pPalette,
NULL);
if (result != DD_OK)
{
Error("CreatePalette failed", result);
return 0;
}
result = m_pBackBuffer->SetPalette(m_pPalette); // TODO: add FIX_BUGS define and fix this
result = m_pFrontBuffer->SetPalette(m_pPalette);
if (result != DD_OK)
{
Error("SetPalette failed", result);
return FALSE;
}
}
// create debug text only in windowed mode?
return m_bFullScreen || CreateTextSurfaces();
}
// OFFSET: LEGO1 0x1009E830
void MxDirectDraw::Error(const char* message, int error)
{
// OFFSET: LEGO1 0x10100C70
static BOOL isInsideError = FALSE;
if (!isInsideError)
{
isInsideError = TRUE;
Destroy();
if (m_pErrorHandler)
{
m_pErrorHandler(message, error, m_pErrorHandlerArg);
}
isInsideError = FALSE;
}
}
// OFFSET: LEGO1 0x1009DDA0
BOOL MxDirectDraw::GetDDSurfaceDesc(LPDDSURFACEDESC lpDDSurfDesc, LPDIRECTDRAWSURFACE lpDDSurf)
{
HRESULT result;
memset(lpDDSurfDesc, 0, sizeof(*lpDDSurfDesc));
lpDDSurfDesc->dwSize = sizeof(*lpDDSurfDesc);
result = lpDDSurf->GetSurfaceDesc(lpDDSurfDesc);
if (result != DD_OK)
{
Error("Error getting a surface description", result);
}
return (result == DD_OK);
}
// OFFSET: LEGO1 0x1009D9D0
BOOL MxDirectDraw::IsSupportedMode(int width, int height, int bpp)
{
Mode mode = { width, height, bpp };
for (int i = 0; i < m_pCurrentDeviceModesList->count; i++)
{
if (m_pCurrentDeviceModesList->m_mode_ARRAY[i] == mode)
{
return TRUE;
}
}
return FALSE;
}
// OFFSET: LEGO1 0x1009D690
BOOL MxDirectDraw::RecreateDirectDraw(GUID** ppGUID)
{
if (m_pDirectDraw)
{
m_pDirectDraw->Release();
m_pDirectDraw = NULL;
}
return (DirectDrawCreate(*ppGUID, &m_pDirectDraw, 0) == DD_OK);
}
// OFFSET: LEGO1 0x1009E7A0
BOOL MxDirectDraw::RestoreOriginalPaletteEntries()
{
HRESULT result;
if (m_bPrimaryPalettized)
{
if (m_pPalette)
{
result = m_pPalette->SetEntries(0, 0, 256, m_originalPaletteEntries);
if (result != DD_OK)
{
Error("SetEntries failed", result);
return FALSE;
}
}
}
return TRUE;
}
// OFFSET: LEGO1 0x1009E750
BOOL MxDirectDraw::RestorePaletteEntries()
{
HRESULT result;
if (m_bFullScreen && m_bPrimaryPalettized)
{
if (m_pPalette)
{
result = m_pPalette->SetEntries(0, 0, _countof(m_paletteEntries), m_paletteEntries);
if (result != DD_OK)
{
Error("SetEntries failed", result);
return FALSE;
}
}
}
return TRUE;
}
// OFFSET: LEGO1 0x1009e7f0
int MxDirectDraw::FlipToGDISurface()
{
HRESULT ret;
if (m_pDirectDraw)
{
ret = m_pDirectDraw->FlipToGDISurface();
if (ret != DD_OK)
{
Error("FlipToGDISurface failed", ret);
}
return !ret;
}
return 1;
}
// OFFSET: LEGO1 0x1009E4D0
BOOL MxDirectDraw::RestoreSurfaces()
{
HRESULT result;
if (m_pFrontBuffer != NULL)
{
if (m_pFrontBuffer->IsLost() == DDERR_SURFACELOST)
{
result = m_pFrontBuffer->Restore();
if (result != DD_OK)
{
Error("Restore of front buffer failed", result);
return FALSE;
}
}
}
if (m_pBackBuffer != NULL)
{
if (m_pBackBuffer->IsLost() == DDERR_SURFACELOST)
{
result = m_pBackBuffer->Restore();
if (result != DD_OK)
{
Error("Restore of back buffer failed", result);
return FALSE;
}
}
}
if (m_pZBuffer != NULL)
{
if (m_pZBuffer->IsLost() == DDERR_SURFACELOST)
{
result = m_pZBuffer->Restore();
if (result != DD_OK)
{
Error("Restore of Z-buffer failed", result);
return FALSE;
}
}
}
if (m_pText1Surface != NULL)
{
if (m_pText1Surface->IsLost() == DDERR_SURFACELOST)
{
result = m_pText1Surface->Restore();
if (result != DD_OK)
{
Error("Restore of text surface 1 failed", result);
return FALSE;
}
}
}
if (m_pText2Surface != NULL)
{
if (m_pText2Surface->IsLost() == DDERR_SURFACELOST)
{
result = m_pText2Surface->Restore();
if (result != DD_OK)
{
Error("Restore of text surface 2 failed", result);
return FALSE;
}
}
}
return TRUE;
}
// OFFSET: LEGO1 0x1009D700
BOOL MxDirectDraw::SetPaletteEntries(
const PALETTEENTRY* pPaletteEntries,
int paletteEntryCount,
BOOL fullscreen)
{
int reservedLowEntryCount = 10;
int reservedHighEntryCount = 10;
int arraySize = _countof(m_paletteEntries);
HDC hdc;
int i;
if (g_is_PALETTEINDEXED8)
{
hdc = GetDC(NULL);
GetSystemPaletteEntries(hdc, 0, arraySize, m_paletteEntries);
ReleaseDC(NULL, hdc);
}
for (i = 0; i < reservedLowEntryCount; i++)
{
m_paletteEntries[i].peFlags = 0x80;
}
for (i = reservedLowEntryCount; i < 142; i++)
{
m_paletteEntries[i].peFlags = 0x44;
}
for (i = 142; i < arraySize - reservedHighEntryCount; i++)
{
m_paletteEntries[i].peFlags = 0x84;
}
for (i = arraySize - reservedHighEntryCount; i < arraySize; i++)
{
m_paletteEntries[i].peFlags = 0x80;
}
if (paletteEntryCount != 0)
{
for (i = reservedLowEntryCount;
(i < paletteEntryCount) && (i < arraySize - reservedHighEntryCount);
i++)
{
m_paletteEntries[i].peRed = pPaletteEntries[i].peRed;
m_paletteEntries[i].peGreen = pPaletteEntries[i].peGreen;
m_paletteEntries[i].peBlue = pPaletteEntries[i].peBlue;
}
}
if (m_pPalette != NULL)
{
HRESULT result;
result = m_pPalette->SetEntries(0, 0, _countof(m_paletteEntries), m_paletteEntries);
if (result != DD_OK)
{
Error("SetEntries failed", result);
return FALSE;
}
}
return TRUE;
}
// OFFSET: LEGO1 0x1009E110
BOOL MxDirectDraw::TextToTextSurface(
const char* text,
IDirectDrawSurface* pSurface,
SIZE& textSizeOnSurface)
{
HRESULT result;
HDC hdc;
RECT rc;
size_t textLength;
if (pSurface == NULL)
{
return FALSE;
}
result = pSurface->GetDC(&hdc);
if (result != DD_OK)
{
Error("GetDC for text surface failed", result);
return FALSE;
}
textLength = strlen(text);
SelectObject(hdc, m_hFont);
SetTextColor(hdc, RGB(255, 255, 0));
SetBkColor(hdc, RGB(0, 0, 0));
SetBkMode(hdc, OPAQUE);
GetTextExtentPoint32(hdc, text, textLength, &textSizeOnSurface);
SetRect(&rc, 0, 0, textSizeOnSurface.cx, textSizeOnSurface.cy);
ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rc, text, textLength, NULL);
pSurface->ReleaseDC(hdc);
return TRUE;
}
// OFFSET: LEGO1 0x1009E210
BOOL MxDirectDraw::TextToTextSurface1(const char* text)
{
return TextToTextSurface(
text,
m_pText1Surface,
m_text1SizeOnSurface);
}
// OFFSET: LEGO1 0x1009E230
BOOL MxDirectDraw::TextToTextSurface2(const char* text)
{
return TextToTextSurface(
text,
m_pText2Surface,
m_text2SizeOnSurface);
}
// OFFSET: LEGO1 0x1009E020
void MxDirectDraw::FUN_1009E020()
{
HRESULT result;
byte* line;
DDSURFACEDESC ddsd;
int j;
int count = m_bFlipSurfaces ? 2 : 1;
for (int i = 0; i < count; i++)
{
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
result = m_pBackBuffer->Lock(NULL, &ddsd, 1, NULL);
if (result == DDERR_SURFACELOST)
{
m_pBackBuffer->Restore();
result = m_pBackBuffer->Lock(NULL, &ddsd, 1, NULL);
}
if (result != DD_OK)
{
// lock failed
return;
}
// clear backBuffer
line = (byte*)ddsd.lpSurface;
for (j = ddsd.dwHeight; j-- ;)
{
memset(line, 0, ddsd.dwWidth);
line += ddsd.lPitch;
}
m_pBackBuffer->Unlock(ddsd.lpSurface);
if (m_bFlipSurfaces)
{
m_pFrontBuffer->Flip(NULL, DDFLIP_WAIT);
}
}
}
// OFFSET: LEGO1 0x1009D920
void MxDirectDraw::FUN_1009D920()
{
RestoreOriginalPaletteEntries();
if (m_pDirectDraw != NULL)
{
m_bIgnoreWM_SIZE = TRUE;
m_pDirectDraw->RestoreDisplayMode();
m_pDirectDraw->SetCooperativeLevel(NULL, DDSCL_NORMAL);
m_bIgnoreWM_SIZE = FALSE;
}
}