BOOL jcdd_createOffscreenSurface(
LPDIRECTDRAW7 lpdd, LPDIRECTDRAWSURFACE7* lplpdds, INT width, INT height, UINT colorKey, BOOL useColorKey)
{
if(lpdd == NULL)
{
return FALSE;
}
DDSURFACEDESC2 ddsd;
jcdd_initStruct(&ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.dwWidth = width;
ddsd.dwHeight = height;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
if(FAILED(lpdd->CreateSurface(&ddsd, lplpdds, NULL)))
{
return FALSE;
}
if(useColorKey)
{
DDCOLORKEY ck;
ck.dwColorSpaceHighValue = colorKey;
ck.dwColorSpaceLowValue = colorKey;
if(FAILED((*lplpdds)->SetColorKey(DDCKEY_SRCBLT, &ck)))
{
return FALSE;
}
}
return TRUE;
}
/*****************************Private*Routine******************************\
* OnSetDDrawDevice
*
\**************************************************************************/
HRESULT
CMpegMovie::OnSetDDrawDevice(
LPDIRECTDRAW7 pDD,
HMONITOR hMon
)
{
HRESULT hr = S_OK;
RELEASE(m_pddsRenderT);
RELEASE(m_pddsPriText);
RELEASE(m_pddsPrimary);
__try
{
DDSURFACEDESC2 ddsd; // A surface description structure
INITDDSTRUCT(ddsd);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
CHECK_HR(hr = pDD->EnumSurfaces(DDENUMSURFACES_DOESEXIST |
DDENUMSURFACES_ALL,
&ddsd,
&m_pddsPrimary,
DDSurfEnumFunc));
if(!m_pddsPrimary)
{
hr = E_FAIL;
__leave;
}
MONITORINFOEX miInfoEx;
miInfoEx.cbSize = sizeof(miInfoEx);
GetMonitorInfo(hMon, &miInfoEx);
INITDDSTRUCT(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
ddsd.dwWidth = (miInfoEx.rcMonitor.right - miInfoEx.rcMonitor.left);
ddsd.dwHeight = (miInfoEx.rcMonitor.bottom - miInfoEx.rcMonitor.top);
CHECK_HR(hr = pDD->CreateSurface(&ddsd, &m_pddsPriText, NULL));
CHECK_HR(hr = pDD->CreateSurface(&ddsd, &m_pddsRenderT, NULL));
}
__finally
{
if(FAILED(hr))
{
RELEASE(m_pddsRenderT);
RELEASE(m_pddsPriText);
RELEASE(m_pddsPrimary);
}
}
return hr;
}
//-----------------------------------------------------------------------------
// Name: CreateSurface()
// Desc: creates a offscreen plain surface
//-----------------------------------------------------------------------------
LPDIRECTDRAWSURFACE7 CreateSurface(int width, int height, SCCOLOR TransparentColor)
{// this function creates an offscreen plain surface
//DDSURFACEDESC2 ddsd; // working description
LPDIRECTDRAWSURFACE7 lpdds; // temporary surface
// set to access caps, width, and height
memset(&ddsd,0,sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
// set dimensions of the new bitmap surface
ddsd.dwWidth = width;
ddsd.dwHeight = height;
// set surface to offscreen plain
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;//default is video memory VRAM
// create the surface
ddReturnVal = lpddObj->CreateSurface(&ddsd,&lpdds,NULL);
if(ddReturnVal == DDERR_OUTOFVIDEOMEMORY)//out of vram
{
// set surface to offscreen plain system memory
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
ddReturnVal = lpddObj->CreateSurface(&ddsd,&lpdds,NULL);
}
if (DDFailedCheck(ddReturnVal, "CreateSurface() failed", cpErrorBuf ))//DDERR_OUTOFVIDEOMEMORY DDSCAPS_SYSTEMMEMORY
{ MessageBox(main_window_handle, cpErrorBuf, "CreateSurface()", MB_ICONEXCLAMATION); return(NULL); }
// set color key to TransparentColor
DDCOLORKEY color_key; // used to set color key
color_key.dwColorSpaceLowValue = BIULDCOLOR(TransparentColor.r,TransparentColor.g,TransparentColor.b);
color_key.dwColorSpaceHighValue = BIULDCOLOR(TransparentColor.r,TransparentColor.g,TransparentColor.b);
// now set the color key for source blitting
ddReturnVal = lpdds->SetColorKey(DDCKEY_SRCBLT, &color_key);
if (DDFailedCheck(ddReturnVal, "SetColorKey() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "CreateSurface()", MB_ICONEXCLAMATION); return(NULL); }
// return surface
return(lpdds);
} // end CreateSurface()
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
HRESULT CSurface::Create( LPDIRECTDRAW7 pDD, DDSURFACEDESC2* pddsd )
{
HRESULT hr;
// Create the DDraw surface
if( FAILED( hr = pDD->CreateSurface( pddsd, &m_pdds, NULL ) ) )
return hr;
// Prepare the DDSURFACEDESC structure
m_ddsd.dwSize = sizeof(m_ddsd);
// Get the DDSURFACEDESC structure for this surface
m_pdds->GetSurfaceDesc( &m_ddsd );
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: dx_CreerSurface(...)
// Desc: Créé une des surfaces à disposition
//-----------------------------------------------------------------------------
bool dx_CreerSurface (uint8 pNoSurface, uint16 pTailleX, uint16 pTailleY)
{
DDSURFACEDESC2 ddsd;
if (pNoSurface >= NombreSurfaces) return false;
ZeroMemory(&ddsd, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
ddsd.dwWidth = pTailleX;
ddsd.dwHeight = pTailleY;
ErrDd = DirectDraw7->CreateSurface (&ddsd, &Surfaces[pNoSurface], NULL);
return ErrDd == DD_OK;
}
//! Init the primary surface
bool DDPrimaryInit()
{
HRESULT hRet;
DDSURFACEDESC2 ddsd; // A surface description structure
// Create the primary surface. The primary surface is the full screen -
// since we're a windowed app - we'll just write to the portion of the
// screen within our window.
memset(&ddsd, 0, sizeof(ddsd)); // Set all fields of struct to 0 and set .dwSize to
ddsd.dwSize = sizeof(ddsd); // Sizeof the variable - these two steps required for most DDraw structs
ddsd.dwFlags = DDSD_CAPS; // Set flags for variables we're using...
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; // Set the variables we said we would in dwFlags
hRet = g_pDD->CreateSurface(&ddsd, &g_pDDSPrimary, NULL);
if (hRet != DD_OK)
return DisplayError("Can't create primary surface", hRet);
return true;
}
int InitDirectDraw()
{
DDSURFACEDESC2 ddsd;
DDSCAPS2 ddscaps;
HRESULT hRet;
// Create the main DirectDraw object.
hRet = DirectDrawCreateEx(NULL, (VOID**)&g_pDD, IID_IDirectDraw7, NULL);
if( hRet != DD_OK )
return -1;
// Get exclusive mode.
hRet = g_pDD->SetCooperativeLevel(g_hMainWnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
if( hRet != DD_OK )
return -2;
// Set the video mode to 640x480x16.
hRet = g_pDD->SetDisplayMode(640, 480, 16, 0, 0);
if( hRet != DD_OK )
return -3;
// Prepare to create the primary surface by initializing
// the fields of a DDSURFACEDESC2 structure.
ZeroMemory(&ddsd, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP |
DDSCAPS_COMPLEX;
ddsd.dwBackBufferCount = 1;
// Create the primary surface.
hRet = g_pDD->CreateSurface(&ddsd, &g_pDDSFront, NULL);
if( hRet != DD_OK )
return -1;
// Get a pointer to the back buffer.
ZeroMemory(&ddscaps, sizeof(ddscaps));
ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
hRet = g_pDDSFront->GetAttachedSurface(&ddscaps, &g_pDDSBack);
if( hRet != DD_OK )
return -1;
return 0;
}
//! Setup the overlay object
bool DDOverlayInit()
{
// Get hardware's CAPabilitieS
memset(&g_DDCaps, 0, sizeof(g_DDCaps));
g_DDCaps.dwSize = sizeof(g_DDCaps);
if (g_pDD->GetCaps(&g_DDCaps, 0))
return DisplayError("Can't get capabilities");
// Make sure it supports overlays
if (!(g_DDCaps.dwCaps & DDCAPS_OVERLAY))
return DisplayError("Hardware doesn't support overlays");
//DO NOT Make sure it supports stretching (scaling)
//if (!(g_DDCaps.dwCaps & DDCAPS_OVERLAYSTRETCH)) return false;
DDSURFACEDESC2 ddsd; // DirectDraw surface descriptor
HRESULT hRet; // I'm not even going to try...
// The pixel formats that we want the surface to be in
DDPIXELFORMAT ddpfOverlayFormats[] = {
{sizeof(DDPIXELFORMAT), DDPF_RGB, 0, 32, 0xFF0000, 0x0FF00, 0x0000FF, 0}, // 32-bit RGB
{sizeof(DDPIXELFORMAT), DDPF_RGB, 0, 16, 0x007C00, 0x003e0, 0x00001F, 0}, // 16-bit RGB 5:5:5
{sizeof(DDPIXELFORMAT), DDPF_RGB, 0, 16, 0x00F800, 0x007e0, 0x00001F, 0}, // 16-bit RGB 5:6:5
{sizeof(DDPIXELFORMAT), DDPF_FOURCC, mmioFOURCC('U','Y','V','Y'), 16, 0, 0, 0, 0}, // UYVY
{sizeof(DDPIXELFORMAT), DDPF_FOURCC, mmioFOURCC('Y','4','2','2'), 16, 0, 0, 0, 0}, // the same as UYVY
{sizeof(DDPIXELFORMAT), DDPF_FOURCC, mmioFOURCC('Y','U','Y','2'), 16, 0, 0, 0, 0}, // YUY2 is unsupported color-space here
{0}};
// Setup the overlay surface's attributes in the surface descriptor
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.ddsCaps.dwCaps = DDSCAPS_OVERLAY | g_DDCaps.ddsCaps.dwCaps&DDSCAPS_VIDEOMEMORY;
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT;
ddsd.dwBackBufferCount = 0;
ddsd.dwWidth = g_sizex;
ddsd.dwHeight = g_sizey;
for(int format = 0; ddpfOverlayFormats[format].dwSize; format++) {
ddsd.ddpfPixelFormat = ddpfOverlayFormats[format];
// Attempt to create the surface with theses settings
hRet = g_pDD->CreateSurface(&ddsd, &g_pDDSOverlay, NULL);
if(hRet == DD_OK) break;
}
if (hRet != DD_OK)
return DisplayError("Can't create appropriate overlay surface", hRet);
return true;
}
LPDIRECTDRAWSURFACE7 DDraw_Create_Surface(int width, int height, int mem_flags, int color_key = 0)
{
// this function creates an offscreen plain surface
DDSURFACEDESC2 ddsd; // working description
LPDIRECTDRAWSURFACE7 lpdds; // temporary surface
// 清空ddsd然后再设置width, and height来创建离屏表面
memset(&ddsd,0,sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
// set dimensions of the new bitmap surface
ddsd.dwWidth = width;
ddsd.dwHeight = height;
// set surface to offscreen plain
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | mem_flags;
// create the surface
if (FAILED(lpdd->CreateSurface(&ddsd,&lpdds,NULL)))
return(NULL);
// 设置色彩键、也就是透明色、默认设置为黑色
// test if user wants a color key
if (color_key >= 0)
{
// set color key to color 0
DDCOLORKEY color_key; // used to set color key
color_key.dwColorSpaceLowValue = 0;
color_key.dwColorSpaceHighValue = 0;
// now set the color key for source blitting
lpdds->SetColorKey(DDCKEY_SRCBLT, &color_key);
} // end if
// return surface
return(lpdds);
// return surface
return(lpdds);
} // end DDraw_Create_Surface
/* 07/16/2000 Wendell Buckner
Convert to Directx7...
geBoolean TPage_CreateSurfaces(TPage *Page, LPDIRECTDRAW4 lpDD, const DDSURFACEDESC2 *SurfDesc) */
geBoolean TPage_CreateSurfaces(TPage *Page, LPDIRECTDRAW7 lpDD, const DDSURFACEDESC2 *SurfDesc)
{
HRESULT Hr;
DDSURFACEDESC2 ddsd;
assert(Page);
memcpy(&ddsd, SurfDesc, sizeof(DDSURFACEDESC2));
ddsd.dwSize = sizeof(DDSURFACEDESC2);
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT;
ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE;
ddsd.ddsCaps.dwCaps2 = DDSCAPS2_TEXTUREMANAGE | DDSCAPS2_HINTDYNAMIC;
ddsd.ddsCaps.dwCaps3 = 0;
ddsd.ddsCaps.dwCaps4 = 0;
ddsd.dwWidth = TPAGE_WIDTH;
ddsd.dwHeight = TPAGE_HEIGHT;
Hr = lpDD->CreateSurface(&ddsd, &Page->Surface, NULL);
if (Hr != DD_OK)
return GE_FALSE;
/* 02/25/2001 Wendell Buckner
/* This texture pointer is no longer valid under directx 7. Set it to TRUE so there is
/* something there when the code does assert checks.
Hr = Page->Surface->QueryInterface(IID_IDirect3DTexture2, (void**)&Page->Texture);
if(Hr != DD_OK)
{
Page->Surface->Release();
Page->Surface = NULL;
Page->Texture = NULL;
return GE_FALSE;
}*/
Page->Texture = Page->Surface;
return GE_TRUE; // All good dude
}
int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here
// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
return(0);
// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle,
DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX |
DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
return(0);
// set display mode to 640x480x8
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
return(0);
// clear ddsd and set size
DDRAW_INIT_STRUCT(ddsd);
// enable valid fields
ddsd.dwFlags = DDSD_CAPS;
// request primary surface
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
return(0);
// load the 24-bit image
if (!Load_Bitmap_File(&bitmap,"bitmap24.bmp"))
return(0);
// return success or failure or your own return code here
return(1);
} // end Game_Init
static LPDIRECTDRAWSURFACE7 createPrimarySurface (LPDIRECTDRAW7 pDDRAW)
{
LPDIRECTDRAWSURFACE7 pPrimarySurface = NULL;
DDSURFACEDESC2 sd;
memset (&sd, 0, sizeof (sd));
sd.dwSize = sizeof (sd);
sd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
sd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
sd.dwBackBufferCount = 0;
HRESULT rc = pDDRAW->CreateSurface (&sd, &pPrimarySurface, NULL);
if (rc != DD_OK)
{
LOGDDRAW(("DDRAW: Could not create primary DirectDraw surface rc = 0x%08X\n", rc));
}
return rc == DD_OK? pPrimarySurface: NULL;
}
BOOL CH264Decode::InitOffscreenSurface()
{
HRESULT hr;
DDSURFACEDESC2 ddsd;
ZeroMemory(&ddsd,sizeof(DDSURFACEDESC2));
ddsd.dwSize = sizeof(DDSURFACEDESC2);
ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT | DDSD_CAPS;
ddsd.dwWidth = 1280;
ddsd.dwHeight = 720;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_LIVEVIDEO /*| DDSCAPS_SYSTEMMEMORY*/| DDSCAPS_VIDEOMEMORY ;
ddsd.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
ddsd.ddpfPixelFormat.dwFlags = DDPF_FOURCC | DDPF_YUV | DDPF_COMPRESSED;
ddsd.ddpfPixelFormat.dwFourCC = MAKEFOURCC('Y','V','1','2');
ddsd.ddpfPixelFormat.dwYUVBitCount = 12;
hr = g_pDirectDraw7->CreateSurface(&ddsd,&m_pOffscreenSurface,NULL);
if (FAILED(hr))
{
m_pOffscreenSurface = NULL;
return FALSE;
}
//OSD页面
ZeroMemory(&ddsd,sizeof(DDSURFACEDESC2));
ddsd.dwSize = sizeof(DDSURFACEDESC2);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_LIVEVIDEO | DDSCAPS_SYSTEMMEMORY/*| DDSCAPS_VIDEOMEMORY*/;
ddsd.dwWidth = 1280;
ddsd.dwHeight = 720;
ddsd.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
ddsd.ddpfPixelFormat.dwFlags = DDPF_RGB;
ddsd.ddpfPixelFormat.dwFourCC = 0;
ddsd.ddpfPixelFormat.dwRGBBitCount = 32;
ddsd.ddpfPixelFormat.dwRBitMask = 0x00ff0000;//0x1f << 11;//
ddsd.ddpfPixelFormat.dwGBitMask = 0x0000ff00;//0x3f << 5;//
ddsd.ddpfPixelFormat.dwBBitMask = 0x000000ff;//0x1f;//
// ddsd.ddpfPixelFormat.dwRGBAlphaBitMask = 0;
hr = g_pDirectDraw7->CreateSurface(&ddsd,&m_pOSDSurface,NULL);
if (FAILED(hr))
{
m_pOffscreenSurface->Release();
m_pOffscreenSurface = NULL;
m_pOSDSurface = NULL;
m_dwLastError = GetLastError();
return FALSE;
}
DDCOLORKEY ddcolorkey;
ddcolorkey.dwColorSpaceLowValue =0x00;
ddcolorkey.dwColorSpaceHighValue = 0x00;
m_pOSDSurface->SetColorKey(DDCKEY_SRCBLT,&ddcolorkey);
//最终offscreen页面
ZeroMemory(&ddsd,sizeof(DDSURFACEDESC2));
ddsd.dwSize = sizeof(DDSURFACEDESC2);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_LIVEVIDEO | DDSCAPS_VIDEOMEMORY/* | DDSCAPS_SYSTEMMEMORY*/;
ddsd.dwWidth = 352;
ddsd.dwHeight = 288;
ddsd.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
ddsd.ddpfPixelFormat.dwFlags = DDPF_RGB;
ddsd.ddpfPixelFormat.dwRGBBitCount = 32;
ddsd.ddpfPixelFormat.dwRBitMask = 0x00ff0000;
ddsd.ddpfPixelFormat.dwGBitMask = 0x0000ff00;
ddsd.ddpfPixelFormat.dwBBitMask = 0x000000ff;
ddsd.ddpfPixelFormat.dwRGBAlphaBitMask = 0;
hr = g_pDirectDraw7->CreateSurface(&ddsd,&m_pFinSurface,NULL);
if (FAILED(hr))
{
m_pOffscreenSurface->Release();
m_pOffscreenSurface = NULL;
m_pOSDSurface->Release();
m_pOSDSurface = NULL;
m_dwLastError = GetLastError();
return FALSE;
}
return TRUE;
}
//-----------------------------------------------------------------------------
// Name: InitDD()
// Desc: Initializes Driect draw and anything that needs to be inited
//-----------------------------------------------------------------------------
int InitDD()
{// this function is where i do all the initialization
// for the game
// create dd object and test for error
ddReturnVal = DirectDrawCreateEx(NULL, (void **)&lpddObj, IID_IDirectDraw7, NULL);
if(DDFailedCheck(ddReturnVal, "DirectDrawCreateEx() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return (0); }
/*
//set cooperation level to windowed mode normal
ddReturnVal = lpddObj->SetCooperativeLevel(main_window_handle, DDSCL_NORMAL);
if (DDFailedCheck(ddReturnVal, "SetCooperativeLevel() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return(0); }
*/
//set cooperation level to full screen
ddReturnVal = lpddObj->SetCooperativeLevel(main_window_handle, DDSCL_ALLOWMODEX | DDSCL_FULLSCREEN |
DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT);
if (DDFailedCheck(ddReturnVal, "SetCooperativeLevel() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return(0); }
// set the display mode
ddReturnVal = lpddObj->SetDisplayMode(WINDOW_WIDTH,WINDOW_HEIGHT,BPP,0,0);
if (DDFailedCheck(ddReturnVal, "SetDisplayMode() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return(0); }
// Create the primary surface first set the fields
memset(&ddsd,0,sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT; //set the flags to validate both capabilites field adn the backbuffer count field
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX; //tell dd that u have a complex flippable surface
ddsd.dwBackBufferCount = 1; //set the back buffer count
//Createt the primary surface
ddReturnVal = lpddObj->CreateSurface(&ddsd,&lpddsPrimary,NULL);
if (DDFailedCheck(ddReturnVal, "SetCooperativeLevel() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return(0); }
//Query for the backbuffer, use the ddscaps to indicate what you're requesting
ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
//get the surface
ddReturnVal = lpddsPrimary->GetAttachedSurface(&ddscaps, &lpddsSecondary);
if (DDFailedCheck(ddReturnVal, "GetAttachedSurface() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return(0); }
//Attach a clipper
RECT cliplist[1];
cliplist[0].top = 0; cliplist[0].left = 0;
cliplist[0].bottom = GetSystemMetrics(SM_CYSCREEN);
cliplist[0].right = GetSystemMetrics(SM_CXSCREEN);
AttachClipper(lpddsSecondary,1,cliplist);
AttachClipper(lpddsPrimary,main_window_handle);
//attack a color key
// set color key to TransparentColor
DDCOLORKEY color_key; // used to set color key
if(BPP == 16)
{
color_key.dwColorSpaceLowValue = BIULDCOLOR(TransColor.r,TransColor.g,TransColor.b);
color_key.dwColorSpaceHighValue = BIULDCOLOR(TransColor.r,TransColor.g,TransColor.b);
}
else
if(BPP == 32)
{
color_key.dwColorSpaceLowValue = _ARGB24BIT(0,TransColor.r,TransColor.g,TransColor.b);
color_key.dwColorSpaceHighValue = _ARGB24BIT(0,TransColor.r,TransColor.g,TransColor.b);
}
// now set the color key for source blitting
ddReturnVal = lpddsSecondary->SetColorKey(DDCKEY_SRCBLT, &color_key);
if (DDFailedCheck(ddReturnVal, "SetColorKey() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return(0); }
//Fill in the wndRect struct
wndRect.top = 0;
wndRect.left = 0;
wndRect.bottom = WINDOW_HEIGHT;
wndRect.right = WINDOW_WIDTH;
return(1);
}
int DD_Init(int width, int height, int bpp)
{
// this function initializes directdraw
int index; // looping variable
// create object and test for error
if (DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)!=DD_OK)
return(0);
// set cooperation level to windowed mode normal
if (lpdd->SetCooperativeLevel(main_window_handle,
DDSCL_ALLOWMODEX | DDSCL_FULLSCREEN |
DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)!=DD_OK)
return(0);
// set the display mode
if (lpdd->SetDisplayMode(width,height,bpp,0,0)!=DD_OK)
return(0);
// set globals
screen_height = height;
screen_width = width;
screen_bpp = bpp;
// Create the primary surface
memset(&ddsd,0,sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
// we need to let dd know that we want a complex
// flippable surface structure, set flags for that
ddsd.ddsCaps.dwCaps =
DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;
// set the backbuffer count to 1
ddsd.dwBackBufferCount = 1;
// create the primary surface
lpdd->CreateSurface(&ddsd,&lpddsprimary,NULL);
// query for the backbuffer i.e the secondary surface
ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
lpddsprimary->GetAttachedSurface(&ddscaps,&lpddsback);
// create and attach palette
// create palette data
// clear all entries defensive programming
memset(palette,0,256*sizeof(PALETTEENTRY));
// create a R,G,B,GR gradient palette
for (index=0; index < 256; index++)
{
// set each entry
if (index < 64)
palette[index].peRed = index*4;
else // shades of green
if (index >= 64 && index < 128)
palette[index].peGreen = (index-64)*4;
else // shades of blue
if (index >= 128 && index < 192)
palette[index].peBlue = (index-128)*4;
else // shades of grey
if (index >= 192 && index < 256)
palette[index].peRed = palette[index].peGreen =
palette[index].peBlue = (index-192)*4;
// set flags
palette[index].peFlags = PC_NOCOLLAPSE;
} // end for index
// now create the palette object
if (lpdd->CreatePalette(DDPCAPS_8BIT | DDPCAPS_INITIALIZE | DDPCAPS_ALLOW256,
palette,&lpddpal,NULL)!=DD_OK)
return(0);
// attach the palette to the primary
if (lpddsprimary->SetPalette(lpddpal)!=DD_OK)
return(0);
// clear out both primary and secondary surfaces
DD_Fill_Surface(lpddsprimary,0);
DD_Fill_Surface(lpddsback,0);
// attach a clipper to the screen
RECT screen_rect = {0,0,screen_width,screen_height};
lpddclipper = DD_Attach_Clipper(lpddsback,1,&screen_rect);
// return success
return(1);
} // end DD_Init
int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here
// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
return(0);
// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle,
DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX |
DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
return(0);
// set display mode to 640x480x24
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
return(0);
// clear ddsd and set size
DDRAW_INIT_STRUCT(ddsd);
// enable valid fields
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
ddsd.dwBackBufferCount = 1;
//
// request primary surface
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
return(0);
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
if(FAILED(lpddsprimary->GetAttachedSurface(&ddsd.ddsCaps, &lpddsback))) return 0;
// 把主屏和缓冲屏都填充为黑色初始化
DDraw_Fill_Surface(lpddsprimary, _RGB32BIT(0, 0,0,0));
DDraw_Fill_Surface(lpddsback, _RGB32BIT(0, 0,0,0));
// load the 24-bit image
char* bmp_wc = "WarCraft24.bmp";
char* bmp_b8 = "bitmap8b.bmp";
char* bmp_b24 = "bitmap24.bmp";
char* bmp_b24e = "bitmap24_edit.bmp";
char* bmp_mo24 = "mosaic-600x.bmp";
char* bmp_ni24 = "nightelf-640x.bmp";
char* bmp_alley24 = "alley8_24bit.bmp";
// 载入背景图片
if (!Load_Bitmap_File(&bitmap, bmp_ni24))
return(0);
// 创建背景表面、但实际上不是直接用背景表面来显示的、而是拷贝去缓冲表面和人物动作混合
// 后才一次性打到显示表面
// 这里头两个参数是指在屏幕的高和宽、第二个是指表面建立的地点、0指在显存建立、其它表示在
// 系统内存建立、当然速度自然是在显存建立快了、最后一个参数是是否设置为色彩键、这里设定为-1
// 也就是不设定任何色彩过滤、因为这个是背景表面、所以不需要任何透明的色彩键
lpddsbackground = DDraw_Create_Surface(640,480,0,-1);
// 把bmp的内容拷贝至缓冲表面中
Bmp2Surface(lpddsbackground, SCREEN_WIDTH, SCREEN_HEIGHT);
// 从现在开始创建人物动作了
if (!Load_Bitmap_File(&bitmap, "Dedsp0_24bit.bmp"))
return(0);
// seed random number generator
// GetTickCount是一个系统启动至今的毫秒数、
// 配合srandg来产生一个随机数
srand(GetTickCount());
// initialize all the aliens
// alien on level 1 of complex
//
//系统在调用rand（）之前都会自动调用srand（），如果用户在rand（）之前曾调用过srand（）给参数seed指定了一个值，
//那么rand（）就会将seed的值作为产生伪随机数的初始值；
//而如果用户在rand（）前没有调用过srand（），那么rand（）就会自动调用srand（1），即系统默认将1作为伪随机数的初始值。
//所以前面要调用一次srand来确保以下调用rand()的值会产生不同
//
aliens[0].x = rand()%SCREEN_WIDTH;
aliens[0].y = 116 - 72;
aliens[0].velocity = 2+rand()%4;
aliens[0].current_frame = 0;
aliens[0].counter = 0;
// alien on level 2 of complex
aliens[1].x = rand()%SCREEN_WIDTH;
aliens[1].y = 246 - 72;
aliens[1].velocity = 2+rand()%4;
aliens[1].current_frame = 0;
aliens[1].counter = 0;
// alien on level 3 of complex
aliens[2].x = rand()%SCREEN_WIDTH;
aliens[2].y = 382 - 72;
aliens[2].velocity = 2+rand()%4;
aliens[2].current_frame = 0;
aliens[2].counter = 0;
// now load the bitmap containing the alien imagery
// then scan the images out into the surfaces of alien[0]
// and copy then into the other two, be careful of reference counts!
// 现在开始载入人物的动画帧图片了
if (!Load_Bitmap_File(&bitmap,"Dedsp0_24bit.bmp"))
return(0);
// create each surface and load bits
// 初始化异形0号的三个动作帧表面、
// 其实、所有的异形动作帧表面都一样的、所以没有必要为每个异形都创建相应的动作帧、
// 所以其它异形的动作帧都指向这个异形0号的动作帧就可以了
for (int index = 0; index < 3; index++)
{
// create surface to hold image
aliens[0].frames[index] = DDraw_Create_Surface(72,80,0);
// now load bits...
Scan_Image_Bitmap(&bitmap, // bitmap file to scan image data from
aliens[0].frames[index], // surface to hold data
index, 0); // cell to scan image from
} // end for index
// unload the bitmap file, we no longer need it
Unload_Bitmap_File(&bitmap);
// now for the tricky part. There is no need to create more surfaces with the same
// data, so I'm going to copy the surface pointers member for member to each alien
// however, be careful, since the reference counts do NOT go up, you still only need
// to release() each surface once!
for (index = 0; index < 3; index++)
aliens[1].frames[index] = aliens[2].frames[index] = aliens[0].frames[index];
// return success or failure or your own return code here
return(1);
} // end Game_Init
int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here
// seed random number generator
srand(GetTickCount());
// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
return(0);
// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle,
DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX |
DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
return(0);
// set display mode to 640x480x8
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
return(0);
// clear ddsd and set size
DDRAW_INIT_STRUCT(ddsd);
// enable valid fields
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
// set the backbuffer count field to 1, use 2 for triple buffering
ddsd.dwBackBufferCount = 1;
// request a complex, flippable
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
return(0);
// now query for attached surface from the primary surface
// this line is needed by the call
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
// get the attached back buffer surface
if (FAILED(lpddsprimary->GetAttachedSurface(&ddsd.ddsCaps, &lpddsback)))
return(0);
// build up the palette data array
for (int color=1; color < 255; color++)
{
// fill with random RGB values
palette[color].peRed = rand()%256;
palette[color].peGreen = rand()%256;
palette[color].peBlue = rand()%256;
// set flags field to PC_NOCOLLAPSE
palette[color].peFlags = PC_NOCOLLAPSE;
} // end for color
// now fill in entry 0 and 255 with black and white
palette[0].peRed = 0;
palette[0].peGreen = 0;
palette[0].peBlue = 0;
palette[0].peFlags = PC_NOCOLLAPSE;
palette[255].peRed = 255;
palette[255].peGreen = 255;
palette[255].peBlue = 255;
palette[255].peFlags = PC_NOCOLLAPSE;
// create the palette object
if (FAILED(lpdd->CreatePalette(DDPCAPS_8BIT | DDPCAPS_ALLOW256 |
DDPCAPS_INITIALIZE,
palette,&lpddpal, NULL)))
return(0);
// finally attach the palette to the primary surface
if (FAILED(lpddsprimary->SetPalette(lpddpal)))
return(0);
// clear the surfaces out
DDraw_Fill_Surface(lpddsprimary, 0 );
DDraw_Fill_Surface(lpddsback, 0 );
// define points of asteroid
VERTEX2DF asteroid_vertices[8] = {33,-3, 9,-18, -12,-9, -21,-12, -9,6, -15,15, -3,27, 21,21};
// loop and initialize all asteroids
for (int curr_index = 0; curr_index < NUM_ASTEROIDS; curr_index++)
{
// initialize the asteroid
asteroids[curr_index].state = 1; // turn it on
asteroids[curr_index].num_verts = 8;
asteroids[curr_index].x0 = rand()%SCREEN_WIDTH; // position it
asteroids[curr_index].y0 = rand()%SCREEN_HEIGHT;
asteroids[curr_index].xv = -8 + rand()%17;
asteroids[curr_index].yv = -8 + rand()%17;
asteroids[curr_index].color = rand()%256;
asteroids[curr_index].vlist = new VERTEX2DF [asteroids[curr_index].num_verts];
for (int index = 0; index < asteroids[curr_index].num_verts; index++)
asteroids[curr_index].vlist[index] = asteroid_vertices[index];
} // end for curr_index
// create sin/cos lookup table
// generate the tables
for (int ang = 0; ang < 360; ang++)
{
// convert ang to radians
float theta = (float)ang*PI/(float)180;
// insert next entry into table
cos_look[ang] = cos(theta);
sin_look[ang] = sin(theta);
} // end for ang
// return success or failure or your own return code here
return(1);
} // end Game_Init
static HRESULT CreateWindowedDisplay(HWND hWnd, DWORD dwWidth, DWORD dwHeight)
{
// Set cooperative level
if (FAILED(lpdd->SetCooperativeLevel(hWnd, DDSCL_NORMAL)))
{
return E_FAIL;
}
RECT rcWork;
RECT rc;
DWORD dwStyle;
// If we are still a WS_POPUP window
// We should convert to a normal app window so we look like a windows app.
dwStyle = GetWindowLong(hWnd, GWL_STYLE);
dwStyle &= ~WS_POPUP;
dwStyle |= WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
SetWindowLong(hWnd, GWL_STYLE, dwStyle);
// Adapt window size
SetRect(&rc, 0, 0, dwWidth, dwHeight);
AdjustWindowRectEx(&rc, GetWindowStyle(hWnd), GetMenu(hWnd) != NULL, GetWindowExStyle(hWnd));
SetWindowPos(hWnd, NULL, 0, 0, rc.right - rc.left, rc.bottom - rc.top, SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
SetWindowPos(hWnd, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
// Make sure our window does not hang outside of the work area
SystemParametersInfo(SPI_GETWORKAREA, 0, &rcWork, 0);
GetWindowRect(hWnd, &rc);
if (rc.left < rcWork.left) rc.left = rcWork.left;
if (rc.top < rcWork.top) rc.top = rcWork.top;
SetWindowPos(hWnd, NULL, rc.left, rc.top, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
// Create the primary surface
DDSURFACEDESC2 ddsd;
DDRAW_INIT_STRUCT(ddsd);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsMain, NULL)))
{
return E_FAIL;
}
// Create the backbuffer surface
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_CKSRCBLT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
ddsd.dwWidth = dwWidth;
ddsd.dwHeight = dwHeight;
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsBack, NULL)))
{
return E_FAIL;
}
// Set surface color key
DDCOLORKEY ddCK;
ddCK.dwColorSpaceLowValue = 0;
ddCK.dwColorSpaceHighValue = 0;
if (lpddsBack->SetColorKey(DDCKEY_SRCBLT, &ddCK))
{
return E_FAIL;
}
// Create clipper for the primary surface
LPDIRECTDRAWCLIPPER lpClipper;
if (FAILED(lpdd->CreateClipper(0, &lpClipper, NULL)))
{
return E_FAIL;
}
if (FAILED(lpClipper->SetHWnd(0, hWnd)))
{
lpClipper->Release();
return E_FAIL;
}
if (FAILED(lpddsMain->SetClipper(lpClipper)))
{
lpClipper->Release();
return E_FAIL;
}
lpClipper->Release();
lpClipper = NULL;
// Update window flag
SetClassLong(hWnd, GCL_HICONSM, (LONG)LoadIcon(hInst, MAKEINTRESOURCE(IDI_ICONSM)));
SendMessage(hWnd, WM_SETICON, ICON_SMALL, (LONG)LoadIcon(hInst, MAKEINTRESOURCE(IDI_ICONSM)));
UpdateWindow(hWnd);
return S_OK;
}
void DDAccurateInit(int resize)
{
DDPIXELFORMAT DDpf;
DDSURFACEDESC2 ddsd;
float OrigW, OrigH, ScaleW, ScaleH;
OrigW=Form1->ClientWidth;
OrigH=Form1->ClientHeight;
if (Form1->StatusBar1->Visible) OrigH -= Form1->StatusBar1->Height;
if (Form1->BaseWidth==0) Form1->BaseWidth= NoWinR-NoWinL;
if (Form1->BaseHeight==0) Form1->BaseHeight= NoWinT-NoWinB;
ScaleW = OrigW / Form1->BaseWidth;
ScaleH = OrigH / Form1->BaseHeight;
RasterX=0;
RasterY=random(256);
//fill the DDpf structure and get the BytesPerPixel
ZeroMemory (&DDpf, sizeof(DDpf));
DDpf.dwSize = sizeof(DDpf);
m_pddsFrontBuffer->GetPixelFormat(&DDpf);
BPP = DDpf.dwRGBBitCount/8;
Paletteised = (BPP==1) ? true:false;
Scale= tv.AdvancedEffects?2:1;
//ScanLen=460*BPP;
ScanLen=(2+machine.tperscanline*2)*BPP;
switch(zx81.bordersize)
{
case BORDERNONE:
WinL=BlWinL; WinR=BlWinR; WinT=BlWinT; WinB=BlWinB;
if (zx81.NTSC) { WinT-=24; WinB-=24; }
break;
case BORDERSMALL:
WinL=SmWinL; WinR=SmWinR; WinT=SmWinT; WinB=SmWinB;
if (zx81.NTSC) { WinT-=24; WinB-=24; }
break;
case BORDERNORMAL:
WinL=NoWinL; WinR=NoWinR; WinT=NoWinT; WinB=NoWinB;
if (zx81.NTSC) { WinT-=24; WinB-=24; }
break;
case BORDERLARGE:
WinL=LaWinL; WinR=LaWinR; WinT=LaWinT; WinB=LaWinB;
if (zx81.NTSC) { WinB-=24; }
break;
case BORDERFULL:
WinL=FuWinL; WinR=FuWinR; WinT=FuWinT; WinB=FuWinB;
if (zx81.NTSC) WinB-=51;
break;
}
ZeroMemory( &ddsd, sizeof( ddsd ) );
ddsd.dwSize = sizeof( ddsd );
// Create the backbuffer surface
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
if (tv.AdvancedEffects)
{
WinL*=2; WinR*=2; WinT*=2; WinB*=2; ScanLen*=2;
TVW=ddsd.dwWidth = 1024;
TVH=ddsd.dwHeight = 768;
HSYNC_TOLLERANCE=HTOL*2; HSYNC_MINLEN=10;
VSYNC_TOLLERANCE=VTOL*2; VSYNC_MINLEN=350;
}
else
{
TVW=ddsd.dwWidth = 520;
TVH=ddsd.dwHeight = 380;
HSYNC_TOLLERANCE=HTOL; HSYNC_MINLEN=10;
VSYNC_TOLLERANCE=VTOL; VSYNC_MINLEN=350;
}
m_pddsFrame->Release(); m_pddsFrame = NULL;
m_pDD->CreateSurface(&ddsd, &m_pddsFrame, NULL);
if (zx81.NTSC) VSYNC_TOLLERANCE-=60;
if ((resize) && (!Form1->FullScreen))
{
Form1->BaseWidth=WinR-WinL;
Form1->BaseHeight=WinB-WinT;
OrigW = Form1->BaseWidth * ScaleW;
OrigH = Form1->BaseHeight * ScaleH;
if (Form1->StatusBar1->Visible) OrigH += Form1->StatusBar1->Height;
Form1->ClientWidth = OrigW;
Form1->ClientHeight = OrigH;
}
DDFrame=m_pddsFrame;
ZeroMemory(&DDFrameSurface, sizeof(DDFrameSurface));
DDFrameSurface.dwSize = sizeof(DDFrameSurface);
DDFrame->Lock(NULL, &DDFrameSurface, DDLOCK_WAIT | DDLOCK_NOSYSLOCK, NULL);
dest=buffer= (BYTE*)DDFrameSurface.lpSurface;
TVP=DDFrameSurface.lPitch;
RecalcPalette();
RecalcWinSize();
}
//-----------------------------------------------------------------------------
// Name: InitDeviceObjects()
// Desc: Initializes device-dependent objects, including the vertex buffer used
// for rendering text and the texture map which stores the font image.
//-----------------------------------------------------------------------------
HRESULT CD3DFont::InitDeviceObjects(
LPDIRECTDRAW7 pDD,
LPDIRECT3DDEVICE7 pd3dDevice
)
{
HRESULT hr;
// Keep a local copy of the device
m_pd3dDevice = pd3dDevice;
typedef enum FontFormats
{
eNull,
eX4R4G4B4,
eR5G6B5,
eX8R8G8B8,
}FontFormats;
FontFormats fmt = eNull;
// Establish the font and texture size
m_fTextScale = 1.0f; // Draw fonts into texture without scaling
// Large fonts need larger textures
if( m_dwFontHeight > 40 )
m_dwTexWidth = m_dwTexHeight = 1024;
else if( m_dwFontHeight > 20 )
m_dwTexWidth = m_dwTexHeight = 512;
else
m_dwTexWidth = m_dwTexHeight = 256;
// If requested texture is too big, use a smaller texture and smaller font,
// and scale up when rendering.
D3DDEVICEDESC7 d3dCaps;
m_pd3dDevice->GetCaps( &d3dCaps );
if( m_dwTexWidth > d3dCaps.dwMaxTextureWidth )
{
m_fTextScale = (FLOAT)d3dCaps.dwMaxTextureWidth / (FLOAT)m_dwTexWidth;
m_dwTexWidth = m_dwTexHeight = d3dCaps.dwMaxTextureWidth;
}
DDSURFACEDESC2 ddsd;
INITDDSTRUCT(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT;
ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE;
ddsd.ddsCaps.dwCaps2 = DDSCAPS2_TEXTUREMANAGE | DDSCAPS2_HINTSTATIC;
ddsd.dwWidth = m_dwTexWidth;
ddsd.dwHeight = m_dwTexHeight;
IDirectDrawSurface7 * pRT = NULL;
hr = m_pd3dDevice->GetRenderTarget( &pRT );
if( SUCCEEDED(hr) && pRT )
{
DDSURFACEDESC2 ddsd_rt;
INITDDSTRUCT(ddsd_rt);
ddsd_rt.dwFlags = DDSD_PIXELFORMAT;
hr = pRT->GetSurfaceDesc( &ddsd_rt );
if( SUCCEEDED( hr ))
{
memcpy( (LPVOID)&(ddsd.ddpfPixelFormat), (LPVOID)&(ddsd_rt.ddpfPixelFormat), sizeof( DDPIXELFORMAT));
}
if( ddsd.ddpfPixelFormat.dwRGBBitCount == 32)
{
fmt = eX8R8G8B8;
}
else if( ddsd.ddpfPixelFormat.dwRGBBitCount == 16 )
{
if( ddsd.ddpfPixelFormat.dwRBitMask == 0xF000 &&
ddsd.ddpfPixelFormat.dwGBitMask == 0x00F0 &&
ddsd.ddpfPixelFormat.dwBBitMask == 0x000F)
{
fmt = eX4R4G4B4;
}
else if ( ddsd.ddpfPixelFormat.dwRBitMask == 0xF800 &&
ddsd.ddpfPixelFormat.dwGBitMask == 0x7E0 &&
ddsd.ddpfPixelFormat.dwBBitMask == 0x1F )
{
fmt = eR5G6B5;
}
}
}
if(FAILED(hr))
{
ddsd.ddpfPixelFormat.dwFourCC = BI_RGB;
ddsd.ddpfPixelFormat.dwFlags = DDPF_RGB;
ddsd.ddpfPixelFormat.dwRGBBitCount = 16;
ddsd.ddpfPixelFormat.dwRGBAlphaBitMask = 0xF000;
ddsd.ddpfPixelFormat.dwRBitMask = 0x0F00;
ddsd.ddpfPixelFormat.dwGBitMask = 0x00F0;
ddsd.ddpfPixelFormat.dwBBitMask = 0x000F;
fmt = eX4R4G4B4;
}
if( pRT )
{
pRT->Release();
pRT = NULL;
}
// Create a new texture for the font
hr = pDD->CreateSurface(&ddsd, &m_pTexture, NULL);
if( FAILED(hr) )
return hr;
// Prepare to create a bitmap
DWORD * pBitmapBits;
BITMAPINFO bmi;
ZeroMemory( &bmi.bmiHeader, sizeof(BITMAPINFOHEADER));
bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmi.bmiHeader.biWidth = (int)m_dwTexWidth;
bmi.bmiHeader.biHeight = -(int)m_dwTexHeight;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biCompression = BI_RGB;
bmi.bmiHeader.biBitCount = 32;
// Create a DC and a bitmap for the font
HDC hDC = CreateCompatibleDC( NULL );
if( NULL == hDC )
return E_FAIL;
HBITMAP hbmBitmap = CreateDIBSection( hDC, &bmi, DIB_RGB_COLORS,
(VOID**)&pBitmapBits, NULL, 0 );
SetMapMode( hDC, MM_TEXT );
// Create a font. By specifying ANTIALIASED_QUALITY, we might get an
// antialiased font, but this is not guaranteed.
INT nHeight = -MulDiv( m_dwFontHeight,
(INT)(GetDeviceCaps(hDC, LOGPIXELSY) * m_fTextScale), 72 );
DWORD dwBold = (m_dwFontFlags&D3DFONT_BOLD) ? FW_BOLD : FW_NORMAL;
DWORD dwItalic = (m_dwFontFlags&D3DFONT_ITALIC) ? TRUE : FALSE;
HFONT hFont = CreateFont( nHeight, 0, 0, 0, dwBold, dwItalic,
FALSE, FALSE, DEFAULT_CHARSET, OUT_STRING_PRECIS,
CLIP_STROKE_PRECIS, ANTIALIASED_QUALITY,
VARIABLE_PITCH, m_strFontName );
if( NULL==hFont )
return E_FAIL;
SelectObject( hDC, hbmBitmap );
SelectObject( hDC, hFont );
// Set text properties
SetTextColor( hDC, RGB(255,255,255) );
SetBkColor( hDC, 0x00000000 );
SetTextAlign( hDC, TA_TOP );
// Loop through all printable character and output them to the bitmap..
// Meanwhile, keep track of the corresponding tex coords for each character.
DWORD x = 0;
DWORD y = 0;
TCHAR str[2] = _T("x");
SIZE size;
for( TCHAR c=32; c<127; c++ )
{
str[0] = c;
GetTextExtentPoint32( hDC, str, 1, &size );
if( (DWORD)(x+size.cx+1) > m_dwTexWidth )
{
x = 0;
y += size.cy+1;
}
ExtTextOut( hDC, x+0, y+0, ETO_OPAQUE, NULL, str, 1, NULL );
m_fTexCoords[c-32][0] = ((FLOAT)(x+0))/m_dwTexWidth;
m_fTexCoords[c-32][1] = ((FLOAT)(y+0))/m_dwTexHeight;
m_fTexCoords[c-32][2] = ((FLOAT)(x+0+size.cx))/m_dwTexWidth;
m_fTexCoords[c-32][3] = ((FLOAT)(y+0+size.cy))/m_dwTexHeight;
x += size.cx+1;
}
if( fmt == eNull )
{
OutputDebugString( TEXT("\n*** WARNING: This sample shows text only in one of the following formats: X8R8G8B8, X4R4G4B4, or R5G6B5. Text functions are DISABLED\n"));
}
// Lock the surface and write the alpha values for the set pixels
m_pTexture->Lock(NULL, &ddsd, DDLOCK_NOSYSLOCK | DDLOCK_WAIT, NULL);
switch( fmt )
{
case eX4R4G4B4:
{
WORD* pDst16 = (WORD*)ddsd.lpSurface;
BYTE bAlpha; // 4-bit measure of pixel intensity
for( y=0; y < m_dwTexHeight; y++ )
{
for( x=0; x < m_dwTexWidth; x++ )
{
bAlpha = (BYTE)((pBitmapBits[m_dwTexWidth*y + x] & 0xff) >> 4);
if (bAlpha > 0)
{
*pDst16++ = (WORD) ((bAlpha << 12) | 0x0fff);
}
else
{
*pDst16++ = 0x0000;
}
}
}
}
break;
case eX8R8G8B8:
{
DWORD* pDst32 = (DWORD*)ddsd.lpSurface;
BYTE bAlpha; // 4-bit measure of pixel intensity
for( y=0; y < m_dwTexHeight; y++ )
{
for( x=0; x < m_dwTexWidth; x++ )
{
bAlpha = (BYTE)((pBitmapBits[m_dwTexWidth*y + x] & 0xff));
if (bAlpha > 0)
{
*pDst32++ = (DWORD) ((bAlpha << 24) | 0x00ffffff);
}
else
{
*pDst32++ = 0x0000;
}
}
}
}
break;
case eR5G6B5:
{
WORD* pDst16 = (WORD*)ddsd.lpSurface;
BYTE bAlpha; // 4-bit measure of pixel intensity
for( y=0; y < m_dwTexHeight; y++ )
{
for( x=0; x < m_dwTexWidth; x++ )
{
bAlpha = (BYTE)((pBitmapBits[m_dwTexWidth*y + x] & 0xff) >> 3);
if (bAlpha > 0)
{
*pDst16++ = (WORD) ((bAlpha << 11) | (bAlpha << 6) | bAlpha);
}
else
{
*pDst16++ = 0x0000;
}
}
}
}
}// switch
// Done updating texture, so clean up used objects
m_pTexture->Unlock(NULL);
DeleteObject( hbmBitmap );
DeleteDC( hDC );
DeleteObject( hFont );
return S_OK;
}
//////////////////////////////////////////////////////////////////////////////
//INITIALIZATION
//////////////////////////////////////////////////////////////////////////////
bool Prog_Init()
{
lpdd=LPDD_Create(hWndMain,DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWREBOOT);
//set the display mode
lpdd->SetDisplayMode(SCREENWIDTH,SCREENHEIGHT,SCREENBPP,0,0);
//create primary surface
DDSURFACEDESC2 ddsd;
memset(&ddsd,0,sizeof(DDSURFACEDESC2));
ddsd.dwSize=sizeof(DDSURFACEDESC2);
ddsd.dwFlags=DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
ddsd.dwBackBufferCount=1;
ddsd.ddsCaps.dwCaps=DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX | DDSCAPS_3DDEVICE;
lpdd->CreateSurface(&ddsd,&lpddsPrime,NULL);
//create back buffer
DDSCAPS2 ddscaps;
memset(&ddscaps,0,sizeof(DDSCAPS2));
ddscaps.dwCaps=DDSCAPS_BACKBUFFER | DDSCAPS_3DDEVICE;
lpddsPrime->GetAttachedSurface(&ddscaps,&lpddsBack);
//create the texture surface
memset(&ddsd,0,sizeof(DDSURFACEDESC2));
ddsd.dwSize=sizeof(DDSURFACEDESC2);
ddsd.dwFlags=DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.dwWidth=64;
ddsd.dwHeight=64;
ddsd.ddsCaps.dwCaps=DDSCAPS_TEXTURE;
lpdd->CreateSurface(&ddsd,&lpddsTex,NULL);
//used ddfuncs to load a bitmap onto the texture
LPDDS_ReloadFromFile(lpddsTex,"texture.bmp");
//get the idirect3d pointer
lpdd->QueryInterface(IID_IDirect3D7,(void**)&lpd3d);//ICKY COM STUFF!
//create the idirect3ddevice(hack method)
if(FAILED(lpd3d->CreateDevice(IID_IDirect3DTnLHalDevice,lpddsBack,&lpd3ddev)))//try tnl
if(FAILED(lpd3d->CreateDevice(IID_IDirect3DHALDevice,lpddsBack,&lpd3ddev)))//no tnl, try hal
if(FAILED(lpd3d->CreateDevice(IID_IDirect3DMMXDevice,lpddsBack,&lpd3ddev)))//no hal, try mmp
if(FAILED(lpd3d->CreateDevice(IID_IDirect3DRGBDevice,lpddsBack,&lpd3ddev)))//no mmx, resort to rgb
return(false);//problem, return false
//set up viewport
D3DVIEWPORT7 vp;
vp.dwX=0;
vp.dwY=0;
vp.dwWidth=SCREENWIDTH;
vp.dwHeight=SCREENHEIGHT;
vp.dvMinZ=0.0;
vp.dvMaxZ=1.0;
//set viewport for device
lpd3ddev->SetViewport(&vp);
//initialize the vertices(partially, anyway)
vert[0].color=D3DRGB(0.25,0.25,0.25);//set the color for this vertex
vert[0].specular=0;//zero for specular
vert[0].rhw=1.0;//rhw is 1.0
vert[0].tu=0.0;//0.0 for both texture coordinates
vert[0].tv=0.0;
vert[0].sz=0.5;//static z value
vert[1].color=D3DRGB(0.5,0.5,0.5);//set the color for this vertex
vert[1].specular=0;//zero for specular
vert[1].rhw=1.0;//rhw is 1.0
vert[1].tu=1.0;//0.0 for both texture coordinates
vert[1].tv=0.0;
vert[1].sz=0.5;//static z value
vert[2].color=D3DRGB(0.5,0.5,0.5);//set the color for this vertex
vert[2].specular=0;//zero for specular
vert[2].rhw=1.0;//rhw is 1.0
vert[2].tu=0.0;//0.0 for both texture coordinates
vert[2].tv=1.0;
vert[2].sz=0.5;//static z value
vert[3].color=D3DRGB(1.0,1.0,1.0);//set the color for this vertex
vert[3].specular=0;//zero for specular
vert[3].rhw=1.0;//rhw is 1.0
vert[3].tu=1.0;//0.0 for both texture coordinates
vert[3].tv=1.0;
vert[3].sz=0.5;//static z value
//set the texture
lpd3ddev->SetTexture(0,lpddsTex);
return(true);//return success
}
int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here
// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
return(0);
// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle,
DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX |
DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
return(0);
// set display mode to 640x480x8
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
return(0);
// we need a complex surface system with a primary and backbuffer
// clear ddsd and set size
DDRAW_INIT_STRUCT(ddsd);
// enable valid fields
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
// set the backbuffer count field to 1, use 2 for triple buffering
ddsd.dwBackBufferCount = 1;
// request a complex, flippable
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
return(0);
// now query for attached surface from the primary surface
// this line is needed by the call
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
// get the attached back buffer surface
if (FAILED(lpddsprimary->GetAttachedSurface(&ddsd.ddsCaps, &lpddsback)))
return(0);
// build up the palette data array
for (int color=1; color < 255; color++)
{
// fill with random RGB values
palette[color].peRed = rand()%256;
palette[color].peGreen = rand()%256;
palette[color].peBlue = rand()%256;
// set flags field to PC_NOCOLLAPSE
palette[color].peFlags = PC_NOCOLLAPSE;
} // end for color
// now fill in entry 0 and 255 with black and white
palette[0].peRed = 0;
palette[0].peGreen = 0;
palette[0].peBlue = 0;
palette[0].peFlags = PC_NOCOLLAPSE;
palette[255].peRed = 255;
palette[255].peGreen = 255;
palette[255].peBlue = 255;
palette[255].peFlags = PC_NOCOLLAPSE;
// create the palette object
if (FAILED(lpdd->CreatePalette(DDPCAPS_8BIT | DDPCAPS_ALLOW256 |
DDPCAPS_INITIALIZE,
palette,&lpddpal, NULL)))
return(0);
// finally attach the palette to the primary surface
if (FAILED(lpddsprimary->SetPalette(lpddpal)))
return(0);
// set clipper up on back buffer since that's where well clip
RECT screen_rect= {0,0,SCREEN_WIDTH-1,SCREEN_HEIGHT-1};
lpddclipper = DDraw_Attach_Clipper(lpddsback,1,&screen_rect);
// load the 8-bit image
if (!Load_Bitmap_File(&bitmap,"alley8.bmp"))
return(0);
// load it's palette into directdraw
if (FAILED(lpddpal->SetEntries(0,0,MAX_COLORS_PALETTE,bitmap.palette)))
return(0);
// clean the surfaces
DDraw_Fill_Surface(lpddsprimary,0);
DDraw_Fill_Surface(lpddsback,0);
// create the buffer to hold the background
lpddsbackground = DDraw_Create_Surface(640,480,0,-1);
// copy the background bitmap image to the background surface
// lock the surface
lpddsbackground->Lock(NULL,&ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT,NULL);
// get video pointer to primary surfce
UCHAR *image_buffer = (UCHAR *)ddsd.lpSurface;
// test if memory is linear
if (ddsd.lPitch == SCREEN_WIDTH)
{
// copy memory from double buffer to primary buffer
memcpy((void *)image_buffer, (void *)bitmap.buffer, SCREEN_WIDTH*SCREEN_HEIGHT);
} // end if
else
{ // non-linear
// make copy of source and destination addresses
UCHAR *dest_ptr = image_buffer;
UCHAR *src_ptr = bitmap.buffer;
// memory is non-linear, copy line by line
for (int y=0; y < SCREEN_HEIGHT; y++)
{
// copy line
memcpy((void *)dest_ptr, (void *)src_ptr, SCREEN_WIDTH);
// advance pointers to next line
dest_ptr+=ddsd.lPitch;
src_ptr +=SCREEN_WIDTH;
} // end for
} // end else
// now unlock the primary surface
if (FAILED(lpddsbackground->Unlock(NULL)))
return(0);
// unload the bitmap file, we no longer need it
Unload_Bitmap_File(&bitmap);
// seed random number generator
srand(GetTickCount());
// initialize all the aliens (in real life do this in a loop or function)
// alien on level 1 of complex
aliens[0].x = rand()%SCREEN_WIDTH;
aliens[0].y = 116 - 72;
aliens[0].velocity = 2+rand()%4;
aliens[0].current_frame = 0;
aliens[0].counter = 0;
aliens[0].width = 72; // set real size
aliens[0].height = 80;
aliens[0].scale = ((float)(1+rand()%20))/10; // scale from 0.1 to 2.0
// fix up feet so they still contact floor
aliens[0].y+=(72 - aliens[0].scale*72);
// alien on level 2 of complex
aliens[1].x = rand()%SCREEN_WIDTH;
aliens[1].y = 246 - 72;
aliens[1].velocity = 2+rand()%4;
aliens[1].current_frame = 0;
aliens[1].counter = 0;
aliens[1].width = 72; // set real size
aliens[1].height = 80;
aliens[1].scale = ((float)(1+rand()%20))/10; // scale from 0.1 to 2.0
// fix up feet so they still contact floor
aliens[1].y+=(72 - aliens[1].scale*72);
// alien on level 3 of complex
aliens[2].x = rand()%SCREEN_WIDTH;
aliens[2].y = 382 - 72;
aliens[2].velocity = 2+rand()%4;
aliens[2].current_frame = 0;
aliens[2].counter = 0;
aliens[2].width = 72; // set real size
aliens[2].height = 80;
aliens[2].scale = ((float)(1+rand()%20))/10; // scale from 0.1 to 2.0
// fix up feet so they still contact floor
aliens[2].y+=(72 - aliens[2].scale*72);
// now load the bitmap containing the alien imagery
// then scan the images out into the surfaces of alien[0]
// and copy then into the other two, be careful of reference counts!
// load the 8-bit image
if (!Load_Bitmap_File(&bitmap,"dedsp0.bmp"))
return(0);
// create each surface and load bits
for (int index = 0; index < 3; index++)
{
// create surface to hold image
aliens[0].frames[index] = DDraw_Create_Surface(72,80,0);
// now load bits...
Scan_Image_Bitmap(&bitmap, // bitmap file to scan image data from
aliens[0].frames[index], // surface to hold data
index, 0); // cell to scan image from
} // end for index
// unload the bitmap file, we no longer need it
Unload_Bitmap_File(&bitmap);
// now for the tricky part. There is no need to create more surfaces with the same
// data, so I'm going to copy the surface pointers member for member to each alien
// however, be careful, since the reference counts do NOT go up, you still only need
// to release() each surface once!
for (index = 0; index < 3; index++)
aliens[1].frames[index] = aliens[2].frames[index] = aliens[0].frames[index];
// return success or failure or your own return code here
return(1);
} // end Game_Init
HRESULT CTextureHolder::CopyBitmapToSurface(){
// Get a DDraw object to create a temporary surface
LPDIRECTDRAW7 pDD;
m_pddsSurface->GetDDInterface( (VOID**)&pDD );
// Get the bitmap structure (to extract width, height, and bpp)
BITMAP bm;
GetObject( m_hbmBitmap, sizeof(BITMAP), &bm );
// Setup the new surface desc
DDSURFACEDESC2 ddsd;
ddsd.dwSize = sizeof(ddsd);
m_pddsSurface->GetSurfaceDesc( &ddsd );
ddsd.dwFlags = DDSD_CAPS|DDSD_HEIGHT|DDSD_WIDTH|DDSD_PIXELFORMAT|
DDSD_TEXTURESTAGE;
ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE|DDSCAPS_SYSTEMMEMORY;
ddsd.ddsCaps.dwCaps2 = 0L;
ddsd.dwWidth = bm.bmWidth;
ddsd.dwHeight = bm.bmHeight;
// Create a new surface for the texture
LPDIRECTDRAWSURFACE7 pddsTempSurface;
HRESULT hr;
if( FAILED( hr = pDD->CreateSurface( &ddsd, &pddsTempSurface, NULL ) ) )
{
pDD->Release();
return hr;
}
// Get a DC for the bitmap
HDC hdcBitmap = CreateCompatibleDC( NULL );
if( NULL == hdcBitmap )
{
pddsTempSurface->Release();
pDD->Release();
return hr; // bug? return E_FAIL?
}
SelectObject( hdcBitmap, m_hbmBitmap );
// Handle palettized textures. Need to attach a palette
if( ddsd.ddpfPixelFormat.dwRGBBitCount == 8 )
{
LPDIRECTDRAWPALETTE pPalette;
DWORD dwPaletteFlags = DDPCAPS_8BIT|DDPCAPS_ALLOW256;
DWORD pe[256];
WORD wNumColors = GetDIBColorTable( hdcBitmap, 0, 256, (RGBQUAD*)pe );
// Create the color table
for( WORD i=0; i<wNumColors; i++ )
{
pe[i] = RGB( GetBValue(pe[i]), GetGValue(pe[i]), GetRValue(pe[i]) );
// Handle textures with transparent pixels
if( m_dwFlags & (D3DTEXTR_TRANSPARENTWHITE|D3DTEXTR_TRANSPARENTBLACK) )
{
// Set alpha for opaque pixels
if( m_dwFlags & D3DTEXTR_TRANSPARENTBLACK )
{
if( pe[i] != 0x00000000 )
pe[i] |= 0xff000000;
}
else if( m_dwFlags & D3DTEXTR_TRANSPARENTWHITE )
{
if( pe[i] != 0x00ffffff )
pe[i] |= 0xff000000;
}
}
}
// Add DDPCAPS_ALPHA flag for textures with transparent pixels
if( m_dwFlags & (D3DTEXTR_TRANSPARENTWHITE|D3DTEXTR_TRANSPARENTBLACK) )
dwPaletteFlags |= DDPCAPS_ALPHA;
// Create & attach a palette
pDD->CreatePalette( dwPaletteFlags, (PALETTEENTRY*)pe, &pPalette, NULL );
pddsTempSurface->SetPalette( pPalette );
m_pddsSurface->SetPalette( pPalette );
SAFE_RELEASE( pPalette );
}
// Copy the bitmap image to the surface.
HDC hdcSurface;
if( SUCCEEDED( pddsTempSurface->GetDC( &hdcSurface ) ) )
{
BitBlt( hdcSurface, 0, 0, bm.bmWidth, bm.bmHeight, hdcBitmap, 0, 0,
SRCCOPY );
pddsTempSurface->ReleaseDC( hdcSurface );
}
DeleteDC( hdcBitmap );
// Copy the temp surface to the real texture surface
m_pddsSurface->Blt( NULL, pddsTempSurface, NULL, DDBLT_WAIT, NULL );
// Done with the temp surface
pddsTempSurface->Release();
// For textures with real alpha (not palettized), set transparent bits
if( ddsd.ddpfPixelFormat.dwRGBAlphaBitMask )
{
if( m_dwFlags & (D3DTEXTR_TRANSPARENTWHITE|D3DTEXTR_TRANSPARENTBLACK) )
{
// Lock the texture surface
DDSURFACEDESC2 ddsd;
ddsd.dwSize = sizeof(ddsd);
while( m_pddsSurface->Lock( NULL, &ddsd, 0, NULL ) ==
DDERR_WASSTILLDRAWING );
DWORD dwAlphaMask = ddsd.ddpfPixelFormat.dwRGBAlphaBitMask;
DWORD dwRGBMask = ( ddsd.ddpfPixelFormat.dwRBitMask |
ddsd.ddpfPixelFormat.dwGBitMask |
ddsd.ddpfPixelFormat.dwBBitMask );
DWORD dwColorkey = 0x00000000; // Colorkey on black
if( m_dwFlags & D3DTEXTR_TRANSPARENTWHITE )
dwColorkey = dwRGBMask; // Colorkey on white
// Add an opaque alpha value to each non-colorkeyed pixel
for( DWORD y=0; y<ddsd.dwHeight; y++ )
{
WORD* p16 = (WORD*)((BYTE*)ddsd.lpSurface + y*ddsd.lPitch);
DWORD* p32 = (DWORD*)((BYTE*)ddsd.lpSurface + y*ddsd.lPitch);
for( DWORD x=0; x<ddsd.dwWidth; x++ )
{
if( ddsd.ddpfPixelFormat.dwRGBBitCount == 16 )
{
if( ( *p16 &= dwRGBMask ) != dwColorkey )
*p16 |= dwAlphaMask;
p16++;
}
if( ddsd.ddpfPixelFormat.dwRGBBitCount == 32 )
{
if( ( *p32 &= dwRGBMask ) != dwColorkey )
*p32 |= dwAlphaMask;
p32++;
}
}
}
m_pddsSurface->Unlock( NULL );
}
else if( m_bHasMyAlpha ){
DDSURFACEDESC2 ddsd;
ddsd.dwSize = sizeof(ddsd);
while( m_pddsSurface->Lock( NULL, &ddsd, 0, NULL ) ==
DDERR_WASSTILLDRAWING );
DWORD dwRGBMask = ( ddsd.ddpfPixelFormat.dwRBitMask |
ddsd.ddpfPixelFormat.dwGBitMask |
ddsd.ddpfPixelFormat.dwBBitMask );
DWORD rMask = ddsd.ddpfPixelFormat.dwRBitMask;
DWORD gMask = ddsd.ddpfPixelFormat.dwGBitMask;
DWORD bMask = ddsd.ddpfPixelFormat.dwBBitMask;
DWORD aMask = ddsd.ddpfPixelFormat.dwRGBAlphaBitMask;
DWORD rShift = GetShift( rMask );
DWORD gShift = GetShift( gMask );
DWORD bShift = GetShift( bMask );
DWORD aShift = GetShift( aMask );
DWORD maxRVal = rMask >> rShift;
DWORD maxGVal = gMask >> gShift;
DWORD maxBVal = bMask >> bShift;
DWORD maxAVal = aMask >> aShift;
DWORD rVal, gVal, bVal, aVal;
FLOAT min, max;
// Add an opaque alpha value to each non-colorkeyed pixel
for( DWORD y=0; y<ddsd.dwHeight; y++ ){
WORD* p16 = (WORD*)((BYTE*)ddsd.lpSurface + y*ddsd.lPitch);
DWORD* p32 = (DWORD*)((BYTE*)ddsd.lpSurface + y*ddsd.lPitch);
for( DWORD x=0; x<ddsd.dwWidth; x++ ){
if( ddsd.ddpfPixelFormat.dwRGBBitCount == 32 ){
*p32 &= dwRGBMask; // set alpha to zero
if( *p32 == 0 ){} // black is 100% transparent, so leave alpha at 0%
else if( *p32 == dwRGBMask ){ // white is opaque, so set alpha to 100%
*p32 |= aMask;
}
else{ // set alpha to equal intensity of brightest hue
rVal = ( *p32 & rMask ) >> rShift;
gVal = ( *p32 & gMask ) >> gShift;
bVal = ( *p32 & bMask ) >> bShift;
max = max( (FLOAT)rVal / maxRVal, max( (FLOAT)gVal / maxGVal, (FLOAT)bVal / maxBVal ) );
// min = min( (FLOAT)rVal / maxRVal, min( (FLOAT)gVal / maxGVal, (FLOAT)bVal / maxBVal ) );
aVal = max * 255;
//if( rVal == gVal && gVal == bVal ){ // white fading to black
// *p32 = dwRGBMask; // set color to white
//}
// maximize luminosity and saturation
rVal /= max;
gVal /= max;
bVal /= max;
*p32 = ( aVal << aShift ) | ( rVal << rShift ) | ( gVal << gShift ) | ( bVal << bShift );
}
p32++;
}
else if( ddsd.ddpfPixelFormat.dwRGBBitCount == 16 ){
*p16 &= dwRGBMask; // set alpha to zero
if( *p16 == 0 ){} // black is 100% transparent, so leave alpha at 0%
else if( *p16 == dwRGBMask ){ // white is opaque, so set alpha to 100%
*p16 |= aMask;
}
else{ // set alpha to equal intensity of brightest hue
rVal = ( *p16 & rMask ) >> rShift;
gVal = ( *p16 & gMask ) >> gShift;
bVal = ( *p16 & bMask ) >> bShift;
aVal = STATSTEXTURE_ALPHA * max( (FLOAT)rVal / maxRVal, max( (FLOAT)gVal / maxGVal, (FLOAT)bVal / maxBVal ) );
if( aVal < STATSTEXTURE_ALPHA ){ // semi-tranparent white
*p16 = dwRGBMask;
}
*p16 |= aVal << aShift;
}
p16++;
}
}
}
//-----------------------------------------------------------------------------
// Name: Init()
// Desc: Initializes Driect draw and anything that needs to be inited
//-----------------------------------------------------------------------------
int InitDD()
{// this function is where i do all the initialization
// for the game
// create dd object and test for error
ddReturnVal = DirectDrawCreateEx(NULL, (void **)&lpddObj, IID_IDirectDraw7, NULL);
if (DDFailedCheck(ddReturnVal, "DirectDrawCreateEx() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return(0); }
// set cooperation level to windowed mode normal
ddReturnVal = lpddObj->SetCooperativeLevel(main_window_handle, DDSCL_NORMAL);
if (DDFailedCheck(ddReturnVal, "SetCooperativeLevel() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return(0); }
/*
// set the display mode
ddReturnVal = lpddObj->SetDisplayMode(nWindowWidth,nWindowHeight,BPP,0,0);
if (DDFailedCheck(ddReturnVal, "SetDisplayMode() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return(0); }
*/
// Create the primary surface first set the fields
memset(&ddsd,0,sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS; //set the flags to validate both capabilites field adn the backbuffer count field
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; //tell dd that u have a complex flippable surface
//ddsd.dwBackBufferCount = 1; //set the back buffer count
//Createt the primary surface
ddReturnVal = lpddObj->CreateSurface(&ddsd,&lpddsPrimary,NULL);
if (DDFailedCheck(ddReturnVal, "CreateSurface() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return(0); }
//Create an off-screen surface as a backBuffer
SCCOLOR col={255,0,255};
lpddsSecondary = CreateSurface(WINDOW_WIDTH, WINDOW_HEIGHT, col);
//Attach a clipper
RECT cliplist[1];
cliplist[0].top = iWindow_y; cliplist[0].left = iWindow_x;
cliplist[0].bottom = iWindow_y+nWindowHeight;//GetSystemMetrics(SM_CYSCREEN);
cliplist[0].right = iWindow_x+nWindowWidth;//GetSystemMetrics(SM_CXSCREEN);
AttachClipper(lpddsPrimary,main_window_handle);
//attack a color key
// set color key to TransparentColor
DDCOLORKEY color_key; // used to set color key
color_key.dwColorSpaceLowValue = _RGB16BIT565(TransColor.r,TransColor.g,TransColor.b);
color_key.dwColorSpaceHighValue = _RGB16BIT565(TransColor.r,TransColor.g,TransColor.b);
// now set the color key for source blitting
ddReturnVal = lpddsPrimary->SetColorKey(DDCKEY_SRCBLT, &color_key);
if (DDFailedCheck(ddReturnVal, "SetColorKey() failed", cpErrorBuf ))
{ MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return(0); }
//"""""""""""""""""""""Init Sprites"""""""""""""""""""""
static int array[]={0,1},
array2[]= {0,1,2,3,4,5,6,7,8,9,10,11,12,13};
Sprites[0].InitSprite(64,64,1,1,1,120);
Sprites[0].SetAnimations(array,0,SPRITE_ANIM_ONCE,0);
Sprites[0].LoadSpriteImage("myface1.bmp");
Sprites[0].SetState(SPRITE_STATE_ALIVE);
Sprites[0].SetXPos(100);
Sprites[0].SetYPos(100);
Sprites[1].InitSprite(43,37,14,6,3,120);
Sprites[1].SetAnimations(array2,13,SPRITE_ANIM_CONT,0);
Sprites[1].LoadSpriteImage("Expl16.bmp");
Sprites[1].SetState(SPRITE_STATE_ALIVE);
Sprites[1].SetXPos(200);
Sprites[1].SetYPos(100);
//""""""""""""""""""End Init Sprites""""""""""""""""""""
return(1);
}
/**
* vdraw_ddraw_init(): Initialize the DirectDraw video subsystem.
* @return 0 on success; non-zero on error.
*/
int vdraw_ddraw_init(void)
{
DDSURFACEDESC2 ddsd;
vdraw_ddraw_end();
mdp_render_t *rendMode = get_mdp_render_t();
const int scale = rendMode->scale;
// Determine the window size using the scaling factor.
if (scale <= 0)
return -1;
const int w = 320 * scale;
const int h = 240 * scale;
if (vdraw_get_fullscreen())
{
Res_X = w;
Res_Y = h;
}
// Return value.
int rval;
// Initialize DirectDraw.
// TODO: Initialize DirectDraw on the monitor with most of Gens/GS onscreen.
LPDIRECTDRAW lpDD_Init;
rval = DirectDrawCreate(NULL, &lpDD_Init, NULL);
if (FAILED(rval))
{
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"DirectDrawCreate() failed: 0x%08X", rval);
return -2;
}
rval = lpDD_Init->QueryInterface(IID_IDirectDraw7, (LPVOID*)&lpDD);
if (FAILED(rval))
{
if (lpDD_Init)
lpDD_Init->Release();
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDD_Init->QueryInterface(IID_IDirectDraw4) failed: 0x%08X", rval);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"This can usually be fixed by upgrading DirectX.");
return -3;
}
// Free the DirectDraw initialization object.
lpDD_Init->Release();
// Set the cooperative level.
vdraw_ddraw_set_cooperative_level();
// TODO: 15-bit color override. ("Force 555" or "Force 565" in the config file.)
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
// TODO: Figure out what FS_No_Res_Change is for.
// TODO: Figure out if this is correct.
if (vdraw_get_fullscreen() /* && !FS_No_Res_Change*/)
{
// Use the color depth setting.
// NOTE: "15-bit" color requires 16-bit to be specified.
rval = lpDD->SetDisplayMode(Res_X, Res_Y, (bppOut == 15 ? 16 : bppOut), 0, 0);
if (FAILED(rval))
{
vdraw_ddraw_free_all(false);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDD->SetDisplayMode() failed: 0x%08X", rval);
// If render mode is set to Normal, try using Double instead.
if (rendMode_FS == RenderMgr::begin() && rendMode_FS != RenderMgr::end())
{
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"Renderer is set to Normal; attempting to use Double instead.");
rendMode_FS++;
vdraw_set_renderer(rendMode_FS);
vdraw_text_write("Normal rendering failed. Using Double.", 1500);
Sync_Gens_Window_GraphicsMenu();
}
return -4;
}
}
#if 0
// Check the current color depth.
unsigned char newBpp;
lpDD->GetDisplayMode(&ddsd);
switch (ddsd.ddpfPixelFormat.dwGBitMask)
{
case 0x03E0:
// 15-bit color.
newBpp = 15;
break;
case 0x07E0:
// 16-bit color.
newBpp = 16;
break;
case 0x00FF00:
default:
// 32-bit color.
newBpp = 32;
break;
}
if (newBpp != bppOut)
vdraw_set_bpp(newBpp, false);
#endif
// Clear ddsd.
memset(&ddsd, 0x00, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
if (vdraw_get_fullscreen() && Video.VSync_FS)
{
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;
ddsd.dwBackBufferCount = 2;
}
else
{
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
}
// Create the primary surface.
rval = lpDD->CreateSurface(&ddsd, &lpDDS_Primary, NULL);
if (FAILED(rval))
{
vdraw_ddraw_free_all(false);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDD->CreateSurface(&lpDDS_Primary) failed: 0x%08X", rval);
return -5;
}
if (vdraw_get_fullscreen())
{
if (Video.VSync_FS)
{
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
rval = lpDDS_Primary->GetAttachedSurface(&ddsd.ddsCaps, &lpDDS_Flip);
if (FAILED(rval))
{
vdraw_ddraw_free_all(false);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDDS_Primary->GetAttachSurface() failed: 0x%08X", rval);
return -6;
}
lpDDS_Blit = lpDDS_Flip;
}
else
{
lpDDS_Blit = lpDDS_Primary;
}
}
else
{
rval = lpDD->CreateClipper(0, &lpDDC_Clipper, NULL);
if (FAILED(rval))
{
vdraw_ddraw_free_all(false);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDD->CreateClipper() failed: 0x%08X", rval);
return -7;
}
rval = lpDDC_Clipper->SetHWnd(0, gens_window);
if (FAILED(rval))
{
vdraw_ddraw_free_all(false);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDDC_Clipper->SetHWnd() failed: 0x%08X", rval);
return -8;
}
rval = lpDDS_Primary->SetClipper(lpDDC_Clipper);
if (FAILED(rval))
{
vdraw_ddraw_free_all(false);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDDC_Primary->SetClipper() failed: 0x%08X", rval);
return -9;
}
}
// Clear ddsd again.
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
// Determine the width and height.
// NOTE: For DirectDraw, the actual 336 width is used.
if (vdraw_ddraw_is_hw_render())
{
// Normal render mode. 320x240 [336x240]
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
ddsd.dwWidth = 336;
ddsd.dwHeight = 240;
}
else
{
// Larger than 1x.
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY;
ddsd.dwWidth = w;
ddsd.dwHeight = h;
}
// Set the pixel format.
ddsd.dwFlags |= DDSD_PIXELFORMAT;
ddsd.ddpfPixelFormat.dwSize = sizeof(ddsd.ddpfPixelFormat);
ddsd.ddpfPixelFormat.dwFlags = DDPF_RGB;
ddsd.ddpfPixelFormat.dwFourCC = 0; // RGB
ddsd.ddpfPixelFormat.dwRGBAlphaBitMask = 0;
// Bits per component.
switch (bppOut)
{
case 15:
// 15-bit color. (555)
ddsd.ddpfPixelFormat.dwRGBBitCount = 16;
ddsd.ddpfPixelFormat.dwRBitMask = 0x7C00;
ddsd.ddpfPixelFormat.dwGBitMask = 0x03E0;
ddsd.ddpfPixelFormat.dwBBitMask = 0x001F;
break;
case 16:
// 16-bit color. (555)
ddsd.ddpfPixelFormat.dwRGBBitCount = 16;
ddsd.ddpfPixelFormat.dwRBitMask = 0xF800;
ddsd.ddpfPixelFormat.dwGBitMask = 0x07E0;
ddsd.ddpfPixelFormat.dwBBitMask = 0x001F;
break;
case 32:
default:
// 32-bit color.
ddsd.ddpfPixelFormat.dwRGBBitCount = 32;
ddsd.ddpfPixelFormat.dwRBitMask = 0xFF0000;
ddsd.ddpfPixelFormat.dwGBitMask = 0x00FF00;
ddsd.ddpfPixelFormat.dwBBitMask = 0x0000FF;
break;
}
// Create the back surface.
rval = lpDD->CreateSurface(&ddsd, &lpDDS_Back, NULL);
if (FAILED(rval))
{
// Failed to create the back surface.
// If we attempted to create it in video memory, try system memory instead.
if (ddsd.ddsCaps.dwCaps & DDSCAPS_VIDEOMEMORY)
{
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDD->CreateSurface(&lpDDS_Back, DDSCAPS_VIDEOMEMORY) failed: 0x%08X", rval);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"Attempting to use DDSCAPS_SYSTEMMEMORY instead.");
ddsd.ddsCaps.dwCaps &= ~DDSCAPS_VIDEOMEMORY;
ddsd.ddsCaps.dwCaps |= DDSCAPS_SYSTEMMEMORY;
rval = lpDD->CreateSurface(&ddsd, &lpDDS_Back, NULL);
if (FAILED(rval))
{
// Failed to create the back surface in system memory.
vdraw_ddraw_free_all(false);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDD->CreateSurface(&lpDDS_Back, DDSCAPS_SYSTEMMEMORY) failed: 0x%08X", rval);
return -10;
}
}
else
{
vdraw_ddraw_free_all(false);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDD->CreateSurface(&lpDDS_Back, DDSCAPS_SYSTEMMEMORY) failed: 0x%08X", rval);
return -11;
}
}
// TODO: Check if this is right.
// I think this might be causing the frame counter flicker in full screen mode.
//if (!vdraw_get_fullscreen() || (rendMode >= 1 && (/*FS_No_Res_Change ||*/ Res_X != 640 || Res_Y != 480)))
if (!vdraw_get_fullscreen() || !vdraw_ddraw_is_hw_render())
lpDDS_Blit = lpDDS_Back;
if (vdraw_ddraw_is_hw_render())
{
// Normal rendering mode uses MD_Screen directly.
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
// TODO: This causes issues if the selected color depth isn't the
// same as the desktop color depth. This only affects windowed mode,
// since in fullscreen, the desktop color depth is changed.
rval = lpDDS_Back->GetSurfaceDesc(&ddsd);
if (FAILED(rval))
{
vdraw_ddraw_free_all(false);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDDS_Back->GetSurfaceDesc() failed: 0x%08X", rval);
return -12;
}
ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_PITCH | DDSD_LPSURFACE | DDSD_PIXELFORMAT;
ddsd.dwWidth = 336;
ddsd.dwHeight = 240;
if (ddsd.ddpfPixelFormat.dwRGBBitCount > 16)
{
// 32-bit color.
ddsd.lpSurface = MD_Screen.u32;
ddsd.lPitch = 336 * 4;
}
else
{
// 15-bit or 16-bit color.
ddsd.lpSurface = MD_Screen.u16;
ddsd.lPitch = 336 * 2;
}
rval = lpDDS_Back->SetSurfaceDesc(&ddsd, 0);
if (FAILED(rval))
{
vdraw_ddraw_free_all(false);
LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
"lpDDS_Back->SetSurfaceDesc() failed: 0x%08X", rval);
return -13;
}
}
// Initialize the destination rectangle.
vdraw_ddraw_adjust_RectDest();
// Reset the render mode.
vdraw_reset_renderer(false);
// Synchronize menus.
Sync_Gens_Window();
// vdraw_ddraw initialized.
return 0;
}
bool SetupDDraw()
{
logOutput << CurrentTimeString() << "called SetupDDraw()" << endl;
if (!g_ddInterface)
{
logOutput << CurrentTimeString() << "SetupDDraw: DirectDraw interface not set, returning" << endl;
return false;
}
bool bSuccess = true;
bKillThread = false;
if (hCopyThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CopyDDrawTextureThread, NULL, 0, NULL))
{
if (!(hCopyEvent = CreateEvent(NULL, FALSE, FALSE, NULL)))
{
logOutput << CurrentTimeString() << "SetupDDraw: CreateEvent failed, GetLastError = " << GetLastError() << endl;
bSuccess = false;
}
}
else
{
logOutput << CurrentTimeString() << "SetupDDraw: CreateThread failed, GetLastError = " << GetLastError() << endl;
bSuccess = false;
}
if (bSuccess)
{
if (!ddUnlockFctMutex)
{
ddUnlockFctMutex = CreateMutex(NULL, FALSE, mutexName);
if (!ddUnlockFctMutex)
{
RUNEVERYRESET logOutput << CurrentTimeString() << "SetupDDraw: CreateMutex failed, GetLastError = " << GetLastError() << endl;
bSuccess = false;
}
}
}
if (bSuccess && !g_frontSurface)
{
RUNEVERYRESET logOutput << "SetupDDraw: frontSurface and surface descriptor not set, returning" << endl;
CleanUpDDraw();
return false;
}
else if (bSuccess)
{
LPDIRECTDRAWPALETTE palette = NULL;
HRESULT err;
if (SUCCEEDED(err = g_frontSurface->GetPalette(&palette)))
{
if (palette)
SetupPalette(palette);
}
else if (err == DDERR_NOPALETTEATTACHED)
{
//logOutput << CurrentTimeString() << "No palette attached to primary surface" << endl;
}
else
{
logOutput << CurrentTimeString() << "Error retrieving palette" << endl;
printDDrawError(err, "getFrontSurface");
}
}
if (bSuccess && !g_surfaceDesc)
{
logOutput << CurrentTimeString() << "SetupDDraw: no surface descriptor found, creating a new one (not an error)" << endl;
g_surfaceDesc = new DDSURFACEDESC2;
g_surfaceDesc->dwSize = sizeof(DDSURFACEDESC);
HRESULT hr;
if (FAILED(hr = ((LPDIRECTDRAWSURFACE)g_frontSurface)->GetSurfaceDesc((LPDDSURFACEDESC)g_surfaceDesc)))
{
g_surfaceDesc->dwSize = sizeof(DDSURFACEDESC2);
if (FAILED(g_frontSurface->GetSurfaceDesc(g_surfaceDesc)))
{
logOutput << CurrentTimeString() << "SetupDDraw: error getting surface descriptor" << endl;
printDDrawError(hr, "SetupDDraw");
bSuccess = false;
}
}
}
if (bSuccess && g_surfaceDesc)
{
const DDPIXELFORMAT& pf = g_surfaceDesc->ddpfPixelFormat;
if (pf.dwFlags & DDPF_RGB)
{
if (pf.dwRGBBitCount == 16)
{
logOutput << CurrentTimeString() << "SetupDDraw: found 16bit format (using R5G6B5 conversion)" << endl;
g_bConvert16to32 = true;
}
else if (pf.dwRGBBitCount == 32)
{
logOutput << CurrentTimeString() << "SetupDDraw: found 32bit format (using plain copy)" << endl;
g_bUse32bitCapture = true;
}
}
else if (pf.dwFlags & (DDPF_PALETTEINDEXED8 | DDPF_PALETTEINDEXED4 | DDPF_PALETTEINDEXED2 | DDPF_PALETTEINDEXED1))
{
logOutput << CurrentTimeString() << "SetupDDraw: front surface uses palette indices" << endl;
}
}
if (bSuccess)
{
logOutput << CurrentTimeString() << "SetupDDraw: primary surface width = " << g_surfaceDesc->dwWidth << ", height = " << g_surfaceDesc->dwHeight << endl;
g_dwSize = g_surfaceDesc->lPitch*g_surfaceDesc->dwHeight;
ddrawCaptureInfo.captureType = CAPTURETYPE_MEMORY;
ddrawCaptureInfo.cx = g_surfaceDesc->dwWidth;
ddrawCaptureInfo.cy = g_surfaceDesc->dwHeight;
ddrawCaptureInfo.pitch = 4 * ddrawCaptureInfo.cx;
ddrawCaptureInfo.hwndCapture = (DWORD)hwndSender;
ddrawCaptureInfo.format = GS_BGRA;
DWORD g_dwCaptureSize = ddrawCaptureInfo.pitch*ddrawCaptureInfo.cy;
ddrawCaptureInfo.bFlip = FALSE;
ddrawCaptureInfo.mapID = InitializeSharedMemoryCPUCapture(g_dwCaptureSize, &ddrawCaptureInfo.mapSize, ©Data, textureBuffers);
memcpy(infoMem, &ddrawCaptureInfo, sizeof(CaptureInfo));
DDSURFACEDESC2 captureDesc;
ZeroMemory(&captureDesc, sizeof(captureDesc));
captureDesc.dwSize = sizeof(DDSURFACEDESC2);
captureDesc.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS | DDSD_PIXELFORMAT | DDSD_PITCH;
captureDesc.dwWidth = g_surfaceDesc->dwWidth;
captureDesc.dwHeight = g_surfaceDesc->dwHeight;
captureDesc.lPitch = g_surfaceDesc->lPitch;
captureDesc.ddpfPixelFormat = g_surfaceDesc->ddpfPixelFormat;
captureDesc.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
HRESULT err;
ddrawSurfaceCreate.Unhook();
for (int i = 0; i < NUM_BUFFERS && bSuccess; i++)
{
if (FAILED(err = g_ddInterface->CreateSurface(&captureDesc, &ddCaptures[i], NULL)))
{
logOutput << CurrentTimeString() << "SetupDDraw: Could not create offscreen capture" << endl;
printDDrawError(err, "SetupDDraw");
bSuccess = false;
break;
}
}
ddrawSurfaceCreate.Rehook();
if (bSuccess)
{
bHasTextures = true;
SetEvent(hSignalReady);
OSInitializeTimer();
}
}
if (bSuccess)
{
logOutput << CurrentTimeString() << "SetupDDraw successfull" << endl;
HookAll();
return true;
}
else
{
logOutput << CurrentTimeString() << "SetupDDraw failed" << endl;
CleanUpDDraw();
return false;
}
}
int DDInit(void)
{
HRESULT hRet;
hWnd = Form1->Handle;
DDEnd();
hRet = DirectDrawCreateEx(NULL, (VOID**)&m_pDD, IID_IDirectDraw7, NULL);
if(DDError(hRet != DD_OK,"DDCreateEX")) return(false);
if (Form1->FullScreen)
{
hRet = m_pDD->SetCooperativeLevel(hWnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
hRet = m_pDD->SetDisplayMode(FScreen.Width, FScreen.Height, FScreen.Bpp,NULL,NULL);
}
else hRet = m_pDD->SetCooperativeLevel(hWnd, DDSCL_NORMAL);
if(DDError(hRet != DD_OK,"DDSetCoop")) return(false);
HRESULT hr;
DDSURFACEDESC2 ddsd;
ZeroMemory( &ddsd, sizeof( ddsd ) );
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
if(DDError(hr = m_pDD->CreateSurface(&ddsd, &m_pddsFrontBuffer, NULL)
,"CreateFrontSurface")) return(false);
// Create the backbuffer surface
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
ddsd.dwWidth = 1024;
ddsd.dwHeight = 768;
hr = m_pDD->CreateSurface(&ddsd, &m_pddsFrame, NULL);
if (hr)
{
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
ddsd.dwWidth = 460;
ddsd.dwHeight = 400;
hr = m_pDD->CreateSurface(&ddsd, &m_pddsFrame, NULL);
if(DDError(hr,"CreateBackSurface")) return(false);
tv.DisableAdvanced=1;
}
if (!Form1->FullScreen)
{
if(DDError(hr = m_pDD->CreateClipper(0, &pcClipper, NULL)
,"CreateClipper")) return(false);
if(DDError(hr = pcClipper->SetHWnd(0, hWnd)
,"SetClipperHwnd"))
{
pcClipper->Release();
return(false);
}
if(DDError(hr = m_pddsFrontBuffer->SetClipper(pcClipper)
,"SetClipperSurface"))
{
pcClipper->Release();
return(false);
}
}
return(true);
}
int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here
// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
return(0);
// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle,
DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX |
DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
return(0);
// set display mode to 640x480x8
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
return(0);
// clear ddsd and set size
DDRAW_INIT_STRUCT(ddsd);
// enable valid fields
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
// set the backbuffer count field to 1, use 2 for triple buffering
ddsd.dwBackBufferCount = 1;
// request a complex, flippable
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
return(0);
// now query for attached surface from the primary surface
// this line is needed by the call
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
// get the attached back buffer surface
if (FAILED(lpddsprimary->GetAttachedSurface(&ddsd.ddsCaps, &lpddsback)))
return(0);
// build up the palette data array
for (int color=1; color < 255; color++)
{
// fill with random RGB values
palette[color].peRed = 0;
palette[color].peGreen = 0;
palette[color].peBlue = color;
// set flags field to PC_NOCOLLAPSE
palette[color].peFlags = PC_NOCOLLAPSE;
} // end for color
// now fill in entry 0 and 255 with black and white
palette[0].peRed = 0;
palette[0].peGreen = 0;
palette[0].peBlue = 0;
palette[0].peFlags = PC_NOCOLLAPSE;
palette[255].peRed = 255;
palette[255].peGreen = 255;
palette[255].peBlue = 255;
palette[255].peFlags = PC_NOCOLLAPSE;
// create the palette object
if (FAILED(lpdd->CreatePalette(DDPCAPS_8BIT | DDPCAPS_ALLOW256 |
DDPCAPS_INITIALIZE,
palette,&lpddpal, NULL)))
{
return(0);
}
// finally attach the palette to the primary surface
if (FAILED(lpddsprimary->SetPalette(lpddpal)))
return(0);
// return success or failure or your own return code here
return(1);
} // end Game_Init
int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here
int retval = 0;
colors16 = new WORD[65536];
// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
{
// something bad happened during initialization, buh-bye!
SendMessage(main_window_handle,WM_CLOSE,0,0);
g_ddStepFailure = DDSF_DDACCESS;
retval = 0;
}
else
{
// set cooperation to normal since this will be a windowed app
lpdd->SetCooperativeLevel( main_window_handle,
DDSCL_FULLSCREEN
| DDSCL_ALLOWMODEX
| DDSCL_EXCLUSIVE
| DDSCL_ALLOWREBOOT
| DDSCL_MULTITHREADED );
if (FAILED(lpdd->SetDisplayMode( screen_width,
screen_height,
screen_bpp,
0, // refresh rate (use default)
0 ) // flags..
)
)
{
SendMessage(main_window_handle,WM_CLOSE,0,0);
g_ddStepFailure = DDSF_SETDISPLAYMODE;
retval = 0;
}
else
{
{
// create direct draw surface..
memset(&ddsd,0,sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
if (FAILED(lpdd->CreateSurface(&ddsd,
&lpddsprimary,
NULL)
)
)
{
SendMessage(main_window_handle,WM_CLOSE,0,0);
g_ddStepFailure = DDSF_SURFACECREATE;
retval = 0;
}
else
{
{
// now get the pixel format..
//
memset(&ddpixel,0,sizeof(ddpixel));
ddpixel.dwSize = sizeof(ddpixel);
lpddsprimary->GetPixelFormat(&ddpixel);
if (ddpixel.dwFlags & DDPF_RGB)
{
// RGB mode..
switch(ddpixel.dwRGBBitCount)
{
case 15:
{
// 5.5.5
g_rgb16bitmode = RGB16MODE_555;
makeColors555();
MessageBox(main_window_handle,
"5.5.5",
"bit mode detected...",
MB_OK | MB_ICONEXCLAMATION );
}
break;
case 16:
{
// 5.6.5
g_rgb16bitmode = RGB16MODE_565;
makeColors565();
MessageBox(main_window_handle,
"5.6.5",
"bit mode detected...",
MB_OK | MB_ICONEXCLAMATION );
}
break;
case 24:
{
// 8.8.8
}
break;
case 32:
{
// alpha(8) 8.8.8
}
break;
default:
{
}
break;
}
}
retval = 1;
}
}
}
}
}
// return success or failure or your own return code here
return(retval);
} // end Game_Init
static HRESULT CreateFullScreenDisplay(HWND hWnd, DWORD dwWidth, DWORD dwHeight, DWORD dwBPP)
{
RECT rc;
DWORD dwStyle;
// Set app window's style to WS_POPUP so that it can fit for full screen mode.
dwStyle = GetWindowLong(hWnd, GWL_STYLE);
dwStyle &= ~(WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX);
dwStyle |= WS_POPUP;
SetWindowLong(hWnd, GWL_STYLE, dwStyle);
// Adapt window size
SetRect(&rc, 0, 0, dwWidth, dwHeight);
AdjustWindowRectEx(&rc, GetWindowStyle(hWnd), GetMenu(hWnd) != NULL, GetWindowExStyle(hWnd));
// Set cooperative level
if (FAILED(lpdd->SetCooperativeLevel(hWnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWREBOOT)))
{
return E_FAIL;
}
// Set the display mode
if (FAILED(lpdd->SetDisplayMode(dwWidth, dwHeight, dwBPP, 0, 0)))
{
return E_FAIL;
}
// Create primary surface (with backbuffer attached)
DDSURFACEDESC2 ddsd;
DDRAW_INIT_STRUCT(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT | DDSD_CKSRCBLT;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP |
DDSCAPS_COMPLEX | DDSCAPS_3DDEVICE;
ddsd.dwBackBufferCount = 1;
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsMain, NULL)))
{
return E_FAIL;
}
// Get a pointer to the back buffer
DDSCAPS2 ddscaps;
ZeroMemory(&ddscaps, sizeof(ddscaps));
ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
if (FAILED(lpddsMain->GetAttachedSurface(&ddscaps, &lpddsBack)))
{
return E_FAIL;
}
//lpddsBack->AddRef();
// Set surface color key
DDCOLORKEY ddCK;
ddCK.dwColorSpaceLowValue = 0;
ddCK.dwColorSpaceHighValue = 0;
if (lpddsBack->SetColorKey(DDCKEY_SRCBLT, &ddCK))
{
return E_FAIL;
}
// Update window flag
SetClassLong(hWnd, GCL_HICONSM, NULL);
SendMessage(hWnd, WM_SETICON, ICON_SMALL, NULL);
UpdateWindow(hWnd);
return S_OK;
}
