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author | Piotr Dziwinski <piotrdz@gmail.com> | 2012-06-26 22:37:26 +0200 |
---|---|---|
committer | Piotr Dziwinski <piotrdz@gmail.com> | 2012-06-26 22:37:26 +0200 |
commit | 6a059b437dca706a72233a57ba4c22011aba6dde (patch) | |
tree | 4d4bbef5e19bbde38ccd173c661377cdc9167ba7 /src/old/d3dtextr.cpp | |
parent | b696edaed3e21839315d639590402e22f90fe195 (diff) | |
parent | bf06998ece3ba9d47b595e3761beba54b3793036 (diff) | |
download | colobot-6a059b437dca706a72233a57ba4c22011aba6dde.tar.gz colobot-6a059b437dca706a72233a57ba4c22011aba6dde.tar.bz2 colobot-6a059b437dca706a72233a57ba4c22011aba6dde.zip |
Merge branch 'dev-opengl' into dev
Diffstat (limited to 'src/old/d3dtextr.cpp')
-rw-r--r-- | src/old/d3dtextr.cpp | 2162 |
1 files changed, 1081 insertions, 1081 deletions
diff --git a/src/old/d3dtextr.cpp b/src/old/d3dtextr.cpp index 39be603..f035e65 100644 --- a/src/old/d3dtextr.cpp +++ b/src/old/d3dtextr.cpp @@ -1,1081 +1,1081 @@ -// * This file is part of the COLOBOT source code
-// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
-// *
-// * This program is free software: you can redistribute it and/or modify
-// * it under the terms of the GNU General Public License as published by
-// * the Free Software Foundation, either version 3 of the License, or
-// * (at your option) any later version.
-// *
-// * This program is distributed in the hope that it will be useful,
-// * but WITHOUT ANY WARRANTY; without even the implied warranty of
-// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// * GNU General Public License for more details.
-// *
-// * You should have received a copy of the GNU General Public License
-// * along with this program. If not, see http://www.gnu.org/licenses/.
-
-//-----------------------------------------------------------------------------
-// File: D3DTextr.cpp
-//
-// Desc: Functions to manage textures, including creating (loading from a
-// file), restoring lost surfaces, invalidating, and destroying.
-//
-// Note: the implementation of these fucntions maintain an internal list
-// of loaded textures. After creation, individual textures are referenced
-// via their ASCII names.
-//
-// Copyright (c) 1996-1999 Microsoft Corporation. All rights reserved
-//-----------------------------------------------------------------------------
-#include <tchar.h>
-#include <stdio.h>
-#include <algorithm>
-using std::min;
-#include "old/d3dtextr.h"
-#include "old/d3dutil.h"
-#include "common/language.h"
-#include "common/misc.h"
-
-
-
-
-//-----------------------------------------------------------------------------
-// Macros, function prototypes and static variable
-//-----------------------------------------------------------------------------
-static TCHAR g_strTexturePath[512] = _T(""); // Path for files
-static bool g_bDebugMode = false;
-
-
-
-void D3DTextr_SetDebugMode(bool bDebug)
-{
- g_bDebugMode = bDebug;
-}
-
-
-
-//-----------------------------------------------------------------------------
-// Name: TextureContainer
-// Desc: Linked list structure to hold info per texture
-//-----------------------------------------------------------------------------
-struct TextureContainer
-{
- TextureContainer* m_pNext; // Linked list ptr
-
- TCHAR m_strName[80]; // Name of texture (doubles as image filename)
- DWORD m_dwWidth;
- DWORD m_dwHeight;
- DWORD m_dwStage; // Texture stage (for multitexture devices)
- DWORD m_dwBPP;
- DWORD m_dwFlags;
- bool m_bHasAlpha;
-
- LPDIRECTDRAWSURFACE7 m_pddsSurface; // Surface of the texture
- HBITMAP m_hbmBitmap; // Bitmap containing texture image
- DWORD* m_pRGBAData;
-
-public:
- HRESULT LoadImageData();
- HRESULT LoadBitmapFile( TCHAR* strPathname );
- HRESULT LoadTargaFile( TCHAR* strPathname, TCHAR* strFilename );
- HRESULT Restore( LPDIRECT3DDEVICE7 pd3dDevice );
- HRESULT CopyBitmapToSurface();
- HRESULT CopyRGBADataToSurface();
-
- TextureContainer( TCHAR* strName, DWORD dwStage, DWORD dwFlags );
- ~TextureContainer();
-};
-
-// Local list of textures
-static TextureContainer* g_ptcTextureList = NULL;
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: CD3DTextureManager
-// Desc: Class used to automatically construct and destruct the static
-// texture engine class.
-//-----------------------------------------------------------------------------
-class CD3DTextureManager
-{
-public:
- CD3DTextureManager() {}
- ~CD3DTextureManager() { if( g_ptcTextureList ) delete g_ptcTextureList; }
-};
-
-// Global instance
-CD3DTextureManager g_StaticTextureEngine;
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: struct TEXTURESEARCHINFO
-// Desc: Structure used to search for texture formats
-//-----------------------------------------------------------------------------
-struct TEXTURESEARCHINFO
-{
- DWORD dwDesiredBPP; // Input for texture format search
- bool bUseAlpha;
- bool bUsePalette;
- bool bFoundGoodFormat;
-
- DDPIXELFORMAT* pddpf; // Output of texture format search
-};
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: TextureSearchCallback()
-// Desc: Enumeration callback routine to find a best-matching texture format.
-// The param data is the DDPIXELFORMAT of the best-so-far matching
-// texture. Note: the desired BPP is passed in the dwSize field, and the
-// default BPP is passed in the dwFlags field.
-//-----------------------------------------------------------------------------
-static HRESULT CALLBACK TextureSearchCallback( DDPIXELFORMAT* pddpf,
- VOID* param )
-{
- if( NULL==pddpf || NULL==param )
- return DDENUMRET_OK;
-
- TEXTURESEARCHINFO* ptsi = (TEXTURESEARCHINFO*)param;
-
- // Skip any funky modes
- if( pddpf->dwFlags & (DDPF_LUMINANCE|DDPF_BUMPLUMINANCE|DDPF_BUMPDUDV) )
- return DDENUMRET_OK;
-
- // Check for palettized formats
- if( ptsi->bUsePalette )
- {
- if( !( pddpf->dwFlags & DDPF_PALETTEINDEXED8 ) )
- return DDENUMRET_OK;
-
- // Accept the first 8-bit palettized format we get
- memcpy( ptsi->pddpf, pddpf, sizeof(DDPIXELFORMAT) );
- ptsi->bFoundGoodFormat = true;
- return DDENUMRET_CANCEL;
- }
-
- // Else, skip any paletized formats (all modes under 16bpp)
- if( pddpf->dwRGBBitCount < 16 )
- return DDENUMRET_OK;
-
- // Skip any FourCC formats
- if( pddpf->dwFourCC != 0 )
- return DDENUMRET_OK;
-
- // Skip any ARGB 4444 formats (which are best used for pre-authored
- // content designed speciafically for an ARGB 4444 format).
- if( pddpf->dwRGBAlphaBitMask == 0x0000f000 )
- return DDENUMRET_OK;
-
- // Make sure current alpha format agrees with requested format type
- if( (ptsi->bUseAlpha==true) && !(pddpf->dwFlags&DDPF_ALPHAPIXELS) )
- return DDENUMRET_OK;
- if( (ptsi->bUseAlpha==false) && (pddpf->dwFlags&DDPF_ALPHAPIXELS) )
- return DDENUMRET_OK;
-
- // Check if we found a good match
- if( pddpf->dwRGBBitCount == ptsi->dwDesiredBPP )
- {
- memcpy( ptsi->pddpf, pddpf, sizeof(DDPIXELFORMAT) );
- ptsi->bFoundGoodFormat = true;
- return DDENUMRET_CANCEL;
- }
-
- return DDENUMRET_OK;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: FindTexture()
-// Desc: Searches the internal list of textures for a texture specified by
-// its name. Returns the structure associated with that texture.
-//-----------------------------------------------------------------------------
-static TextureContainer* FindTexture( TCHAR* strTextureName )
-{
- TextureContainer* ptcTexture = g_ptcTextureList;
-
- while( ptcTexture )
- {
- if( !lstrcmpi( strTextureName, ptcTexture->m_strName ) )
- return ptcTexture;
- ptcTexture = ptcTexture->m_pNext;
- }
-
- return NULL;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: TextureContainer()
-// Desc: Constructor for a texture object
-//-----------------------------------------------------------------------------
-TextureContainer::TextureContainer( TCHAR* strName, DWORD dwStage,
- DWORD dwFlags )
-{
- lstrcpy( m_strName, strName );
- m_dwWidth = 0;
- m_dwHeight = 0;
- m_dwStage = dwStage;
- m_dwBPP = 0;
- m_dwFlags = dwFlags;
- m_bHasAlpha = 0;
-
- m_pddsSurface = NULL;
- m_hbmBitmap = NULL;
- m_pRGBAData = NULL;
-
- // Add the texture to the head of the global texture list
- m_pNext = g_ptcTextureList;
- g_ptcTextureList = this;
-
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: ~TextureContainer()
-// Desc: Destructs the contents of the texture container
-//-----------------------------------------------------------------------------
-TextureContainer::~TextureContainer()
-{
- SAFE_RELEASE( m_pddsSurface );
- SAFE_DELETE( m_pRGBAData );
- DeleteObject( m_hbmBitmap );
-
- // Remove the texture container from the global list
- if( g_ptcTextureList == this )
- g_ptcTextureList = m_pNext;
- else
- {
- for( TextureContainer* ptc=g_ptcTextureList; ptc; ptc=ptc->m_pNext )
- if( ptc->m_pNext == this )
- ptc->m_pNext = m_pNext;
- }
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: LoadImageData()
-// Desc: Loads the texture map's image data
-//-----------------------------------------------------------------------------
-HRESULT TextureContainer::LoadImageData()
-{
- TCHAR* strExtension;
- TCHAR strMetaname[256];
- TCHAR strFilename[256];
-
- if ( g_bDebugMode )
- {
- if ( _tcsrchr( m_strName, _T('\\') ) == 0 )
- {
- lstrcpy( strMetaname, "" );
- lstrcpy( strFilename, g_strTexturePath );
- lstrcat( strFilename, m_strName );
- }
- else
- {
- lstrcpy( strMetaname, "" );
- lstrcpy( strFilename, m_strName );
- }
- }
- else
- {
- if ( _tcsrchr( m_strName, _T('\\') ) == 0 )
- {
-#if _SCHOOL
- lstrcpy( strMetaname, "ceebot1.dat" );
-#else
- lstrcpy( strMetaname, "colobot1.dat" );
-#endif
- lstrcpy( strFilename, m_strName );
- }
- else
- {
- lstrcpy( strMetaname, "" );
- lstrcpy( strFilename, m_strName );
- }
- }
-
- if ( !g_metafile.IsExist(strMetaname, strFilename) )
- {
- return DDERR_NOTFOUND;
- }
-
- // Get the filename extension
- if ( NULL == ( strExtension = _tcsrchr( m_strName, _T('.') ) ) )
- {
- return DDERR_UNSUPPORTED;
- }
-
- // Load bitmap files
- if ( strMetaname[0] == 0 && !lstrcmpi( strExtension, _T(".bmp") ) )
- {
- return LoadBitmapFile( strFilename );
- }
-
- // Load targa files
- if ( !lstrcmpi( strExtension, _T(".tga") ) )
- {
- return LoadTargaFile( strMetaname, strFilename );
- }
-
- // Can add code here to check for other file formats before failing
- return DDERR_UNSUPPORTED;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: LoadBitmapFile()
-// Desc: Loads data from a .bmp file, and stores it in a bitmap structure.
-//-----------------------------------------------------------------------------
-HRESULT TextureContainer::LoadBitmapFile( TCHAR* strPathname )
-{
- // Try to load the bitmap as a file
- m_hbmBitmap = (HBITMAP)LoadImage( NULL, strPathname, IMAGE_BITMAP, 0, 0,
- LR_LOADFROMFILE|LR_CREATEDIBSECTION );
- if( m_hbmBitmap )
- return S_OK;
-
- return DDERR_NOTFOUND;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: LoadTargaFile()
-// Desc: Loads RGBA data from a .tga file, and stores it in allocated memory
-// for the specified texture container
-//-----------------------------------------------------------------------------
-HRESULT TextureContainer::LoadTargaFile( TCHAR* strMetaname, TCHAR* strFilename )
-{
- if( g_metafile.Open(strMetaname, strFilename) != 0 )
- return E_FAIL;
-
- struct TargaHeader
- {
- BYTE IDLength;
- BYTE ColormapType;
- BYTE ImageType;
- BYTE ColormapSpecification[5];
- WORD XOrigin;
- WORD YOrigin;
- WORD ImageWidth;
- WORD ImageHeight;
- BYTE PixelDepth;
- BYTE ImageDescriptor;
- } tga;
-
- g_metafile.Read(&tga, sizeof(TargaHeader));
-
- // Only true color, non-mapped images are supported
- if( ( 0 != tga.ColormapType ) ||
- ( tga.ImageType != 10 && tga.ImageType != 2 ) )
- {
- g_metafile.Close();
- return E_FAIL;
- }
-
- // Skip the ID field. The first byte of the header is the length of this field
- if( tga.IDLength )
- {
- g_metafile.Seek(tga.IDLength);
- }
-
- m_dwWidth = tga.ImageWidth;
- m_dwHeight = tga.ImageHeight;
- m_dwBPP = tga.PixelDepth;
- m_pRGBAData = new DWORD[m_dwWidth*m_dwHeight];
-
- if( m_pRGBAData == NULL )
- {
- g_metafile.Close();
- return E_FAIL;
- }
-
- for( DWORD y=0; y<m_dwHeight; y++ )
- {
- DWORD dwOffset = y*m_dwWidth;
-
- if( 0 == ( tga.ImageDescriptor & 0x0010 ) )
- dwOffset = (m_dwHeight-y-1)*m_dwWidth;
-
- for( DWORD x=0; x<m_dwWidth; x )
- {
- if( tga.ImageType == 10 )
- {
- BYTE PacketInfo = g_metafile.GetByte();
- WORD PacketType = 0x80 & PacketInfo;
- WORD PixelCount = ( 0x007f & PacketInfo ) + 1;
-
- if( PacketType )
- {
- DWORD b = g_metafile.GetWord();
- DWORD g = g_metafile.GetWord();
- DWORD r = g_metafile.GetWord();
- DWORD a = 0xff;
- if( m_dwBPP == 32 )
- a = g_metafile.GetWord();
-
- while( PixelCount-- )
- {
- m_pRGBAData[dwOffset+x] = (r<<24L)+(g<<16L)+(b<<8L)+(a);
- x++;
- }
- }
- else
- {
- while( PixelCount-- )
- {
- BYTE b = g_metafile.GetByte();
- BYTE g = g_metafile.GetByte();
- BYTE r = g_metafile.GetByte();
- BYTE a = 0xff;
- if( m_dwBPP == 32 )
- a = g_metafile.GetByte();
-
- m_pRGBAData[dwOffset+x] = (r<<24L)+(g<<16L)+(b<<8L)+(a);
- x++;
- }
- }
- }
- else
- {
- BYTE b = g_metafile.GetByte();
- BYTE g = g_metafile.GetByte();
- BYTE r = g_metafile.GetByte();
- BYTE a = 0xff;
- if( m_dwBPP == 32 )
- a = g_metafile.GetByte();
-
- m_pRGBAData[dwOffset+x] = (r<<24L)+(g<<16L)+(b<<8L)+(a);
- x++;
- }
- }
- }
-
- g_metafile.Close();
-
- // Check for alpha content
- for( DWORD i=0; i<(m_dwWidth*m_dwHeight); i++ )
- {
-//? if( m_pRGBAData[i] & 0x000000ff != 0xff )
- if( (m_pRGBAData[i] & 0x000000ff) != 0xff ) // erreur corrig�e !
- {
- m_bHasAlpha = true;
- break;
- }
- }
-
- return S_OK;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: Restore()
-// Desc: Rebuilds the texture surface using the new device.
-//-----------------------------------------------------------------------------
-HRESULT TextureContainer::Restore( LPDIRECT3DDEVICE7 pd3dDevice )
-{
- // Release any previously created objects
- SAFE_RELEASE( m_pddsSurface );
-
- // Check params
- if( NULL == pd3dDevice )
- return DDERR_INVALIDPARAMS;
-
- // Get the device caps
- D3DDEVICEDESC7 ddDesc;
- if( FAILED( pd3dDevice->GetCaps( &ddDesc) ) )
- return E_FAIL;
-
- // Setup the new surface desc
- DDSURFACEDESC2 ddsd;
- D3DUtil_InitSurfaceDesc( ddsd );
- ddsd.dwFlags = DDSD_CAPS|DDSD_HEIGHT|DDSD_WIDTH|
- DDSD_PIXELFORMAT|DDSD_TEXTURESTAGE;
- ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE;
- ddsd.dwTextureStage = m_dwStage;
- ddsd.dwWidth = m_dwWidth;
- ddsd.dwHeight = m_dwHeight;
-
- // Turn on texture management for hardware devices
- if( ddDesc.deviceGUID == IID_IDirect3DHALDevice )
- ddsd.ddsCaps.dwCaps2 = DDSCAPS2_TEXTUREMANAGE;
- else if( ddDesc.deviceGUID == IID_IDirect3DTnLHalDevice )
- ddsd.ddsCaps.dwCaps2 = DDSCAPS2_TEXTUREMANAGE;
- else
- ddsd.ddsCaps.dwCaps |= DDSCAPS_SYSTEMMEMORY;
-
- // Adjust width and height to be powers of 2, if the device requires it
- if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_POW2 )
- {
- for( ddsd.dwWidth=1; m_dwWidth>ddsd.dwWidth; ddsd.dwWidth<<=1 );
- for( ddsd.dwHeight=1; m_dwHeight>ddsd.dwHeight; ddsd.dwHeight<<=1 );
- }
-
- // Limit max texture sizes, if the driver can't handle large textures
- DWORD dwMaxWidth = ddDesc.dwMaxTextureWidth;
- DWORD dwMaxHeight = ddDesc.dwMaxTextureHeight;
- ddsd.dwWidth = min( ddsd.dwWidth, ( dwMaxWidth ? dwMaxWidth : 256 ) );
- ddsd.dwHeight = min( ddsd.dwHeight, ( dwMaxHeight ? dwMaxHeight : 256 ) );
-
- // Make the texture square, if the driver requires it
- if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_SQUAREONLY )
- {
- if( ddsd.dwWidth > ddsd.dwHeight ) ddsd.dwHeight = ddsd.dwWidth;
- else ddsd.dwWidth = ddsd.dwHeight;
- }
-
- // Setup the structure to be used for texture enumration.
- TEXTURESEARCHINFO tsi;
- tsi.bFoundGoodFormat = false;
- tsi.pddpf = &ddsd.ddpfPixelFormat;
- tsi.dwDesiredBPP = m_dwBPP;
- tsi.bUsePalette = ( m_dwBPP <= 8 );
- tsi.bUseAlpha = m_bHasAlpha;
- if( m_dwFlags & D3DTEXTR_16BITSPERPIXEL )
- tsi.dwDesiredBPP = 16;
- else if( m_dwFlags & D3DTEXTR_32BITSPERPIXEL )
- tsi.dwDesiredBPP = 32;
-
- if( m_dwFlags & (D3DTEXTR_TRANSPARENTWHITE|D3DTEXTR_TRANSPARENTBLACK) )
- {
- if( tsi.bUsePalette )
- {
- if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_ALPHAPALETTE )
- {
- tsi.bUseAlpha = true;
- tsi.bUsePalette = true;
- }
- else
- {
- tsi.bUseAlpha = true;
- tsi.bUsePalette = false;
- }
- }
- }
-
- // Enumerate the texture formats, and find the closest device-supported
- // texture pixel format
- pd3dDevice->EnumTextureFormats( TextureSearchCallback, &tsi );
-
- // If we couldn't find a format, let's try a default format
- if( false == tsi.bFoundGoodFormat )
- {
- tsi.bUsePalette = false;
- tsi.dwDesiredBPP = 16;
- pd3dDevice->EnumTextureFormats( TextureSearchCallback, &tsi );
-
- // If we still fail, we cannot create this texture
- if( false == tsi.bFoundGoodFormat )
- return E_FAIL;
- }
-
- // Get the DirectDraw interface for creating surfaces
- LPDIRECTDRAW7 pDD;
- LPDIRECTDRAWSURFACE7 pddsRender;
- pd3dDevice->GetRenderTarget( &pddsRender );
- pddsRender->GetDDInterface( (VOID**)&pDD );
- pddsRender->Release();
-
- // Create a new surface for the texture
- HRESULT hr = pDD->CreateSurface( &ddsd, &m_pddsSurface, NULL );
-
- // Done with DDraw
- pDD->Release();
-
- if( FAILED(hr) )
- return hr;
-
- // For bitmap-based textures, copy the bitmap image.
- if( m_hbmBitmap )
- return CopyBitmapToSurface();
-
- if( m_pRGBAData )
- return CopyRGBADataToSurface();
-
- // At this point, code can be added to handle other file formats (such as
- // .dds files, .jpg files, etc.).
- return S_OK;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: CopyBitmapToSurface()
-// Desc: Copies the image of a bitmap into a surface
-//-----------------------------------------------------------------------------
-HRESULT TextureContainer::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;
- }
- 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 );
- }
- }
-
- pDD->Release();
-
- return S_OK;;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: CopyRGBADataToSurface()
-// Desc: Invalidates the current texture objects and rebuilds new ones
-// using the new device.
-//-----------------------------------------------------------------------------
-HRESULT TextureContainer::CopyRGBADataToSurface()
-{
- // Get a DDraw object to create a temporary surface
- LPDIRECTDRAW7 pDD;
- m_pddsSurface->GetDDInterface( (VOID**)&pDD );
-
- // 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 = m_dwWidth;
- ddsd.dwHeight = m_dwHeight;
-
- // Create a new surface for the texture
- LPDIRECTDRAWSURFACE7 pddsTempSurface;
- HRESULT hr;
- if( FAILED( hr = pDD->CreateSurface( &ddsd, &pddsTempSurface, NULL ) ) )
- {
- pDD->Release();
- return NULL;
- }
-
- while( pddsTempSurface->Lock( NULL, &ddsd, 0, 0 ) == DDERR_WASSTILLDRAWING );
- DWORD lPitch = ddsd.lPitch;
- BYTE* pBytes = (BYTE*)ddsd.lpSurface;
-
- DWORD dwRMask = ddsd.ddpfPixelFormat.dwRBitMask;
- DWORD dwGMask = ddsd.ddpfPixelFormat.dwGBitMask;
- DWORD dwBMask = ddsd.ddpfPixelFormat.dwBBitMask;
- DWORD dwAMask = ddsd.ddpfPixelFormat.dwRGBAlphaBitMask;
-
- DWORD dwRShiftL = 8, dwRShiftR = 0;
- DWORD dwGShiftL = 8, dwGShiftR = 0;
- DWORD dwBShiftL = 8, dwBShiftR = 0;
- DWORD dwAShiftL = 8, dwAShiftR = 0;
-
- DWORD dwMask;
- for( dwMask=dwRMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwRShiftR++;
- for( ; dwMask; dwMask>>=1 ) dwRShiftL--;
-
- for( dwMask=dwGMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwGShiftR++;
- for( ; dwMask; dwMask>>=1 ) dwGShiftL--;
-
- for( dwMask=dwBMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwBShiftR++;
- for( ; dwMask; dwMask>>=1 ) dwBShiftL--;
-
- for( dwMask=dwAMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwAShiftR++;
- for( ; dwMask; dwMask>>=1 ) dwAShiftL--;
-
- for( DWORD y=0; y<ddsd.dwHeight; y++ )
- {
- DWORD* pDstData32 = (DWORD*)pBytes;
- WORD* pDstData16 = (WORD*)pBytes;
-
- for( DWORD x=0; x<ddsd.dwWidth; x++ )
- {
- DWORD dwPixel = m_pRGBAData[y*ddsd.dwWidth+x];
-
- BYTE r = (BYTE)((dwPixel>>24)&0x000000ff);
- BYTE g = (BYTE)((dwPixel>>16)&0x000000ff);
- BYTE b = (BYTE)((dwPixel>> 8)&0x000000ff);
- BYTE a = (BYTE)((dwPixel>> 0)&0x000000ff);
-
- DWORD dr = ((r>>(dwRShiftL))<<dwRShiftR)&dwRMask;
- DWORD dg = ((g>>(dwGShiftL))<<dwGShiftR)&dwGMask;
- DWORD db = ((b>>(dwBShiftL))<<dwBShiftR)&dwBMask;
- DWORD da = ((a>>(dwAShiftL))<<dwAShiftR)&dwAMask;
-
- if( 32 == ddsd.ddpfPixelFormat.dwRGBBitCount )
- pDstData32[x] = (DWORD)(dr+dg+db+da);
- else
- pDstData16[x] = (WORD)(dr+dg+db+da);
- }
-
- pBytes += ddsd.lPitch;
- }
-
- pddsTempSurface->Unlock(0);
-
- // Copy the temp surface to the real texture surface
- m_pddsSurface->Blt( NULL, pddsTempSurface, NULL, DDBLT_WAIT, NULL );
-
- // Done with the temp objects
- pddsTempSurface->Release();
- pDD->Release();
-
- return S_OK;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: D3DTextr_SetTexturePath()
-// Desc: Enumeration callback routine to find a best-matching texture format.
-//-----------------------------------------------------------------------------
-VOID D3DTextr_SetTexturePath( TCHAR* strTexturePath )
-{
- if( NULL == strTexturePath )
- strTexturePath = _T("");
- lstrcpy( g_strTexturePath, strTexturePath );
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: D3DTextr_CreateTextureFromFile()
-// Desc: Is passed a filename and creates a local Bitmap from that file.
-// The texture can not be used until it is restored, however.
-//-----------------------------------------------------------------------------
-HRESULT D3DTextr_CreateTextureFromFile( TCHAR* strName, DWORD dwStage,
- DWORD dwFlags )
-{
- // Check parameters
- if( NULL == strName )
- return E_INVALIDARG;
-
- // Check first to see if the texture is already loaded
- if( NULL != FindTexture( strName ) )
- return S_OK;
-
- // Allocate and add the texture to the linked list of textures;
- TextureContainer* ptcTexture = new TextureContainer( strName, dwStage,
- dwFlags );
- if( NULL == ptcTexture )
- return E_OUTOFMEMORY;
-
- // Create a bitmap and load the texture file into it,
- if( FAILED( ptcTexture->LoadImageData() ) )
- {
- delete ptcTexture;
- return E_FAIL;
- }
-
- // Save the image's dimensions
- if( ptcTexture->m_hbmBitmap )
- {
- BITMAP bm;
- GetObject( ptcTexture->m_hbmBitmap, sizeof(BITMAP), &bm );
- ptcTexture->m_dwWidth = (DWORD)bm.bmWidth;
- ptcTexture->m_dwHeight = (DWORD)bm.bmHeight;
- ptcTexture->m_dwBPP = (DWORD)bm.bmBitsPixel;
- }
-
- return S_OK;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: D3DTextr_CreateEmptyTexture()
-// Desc: Creates an empty texture.
-//-----------------------------------------------------------------------------
-HRESULT D3DTextr_CreateEmptyTexture( TCHAR* strName, DWORD dwWidth,
- DWORD dwHeight, DWORD dwStage,
- DWORD dwFlags )
-{
- // Check parameters
- if( NULL == strName )
- return E_INVALIDARG;
-
- // Check first to see if the texture is already loaded
- if( NULL != FindTexture( strName ) )
- return E_FAIL;
-
- // Allocate and add the texture to the linked list of textures;
- TextureContainer* ptcTexture = new TextureContainer( strName, dwStage,
- dwFlags );
- if( NULL == ptcTexture )
- return E_OUTOFMEMORY;
-
- // Save dimensions
- ptcTexture->m_dwWidth = dwWidth;
- ptcTexture->m_dwHeight = dwHeight;
- ptcTexture->m_dwBPP = 16;
- if( ptcTexture->m_dwFlags & D3DTEXTR_32BITSPERPIXEL )
- ptcTexture->m_dwBPP = 32;
-
- // Save alpha usage flag
- if( dwFlags & D3DTEXTR_CREATEWITHALPHA )
- ptcTexture->m_bHasAlpha = true;
-
- return S_OK;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: D3DTextr_Restore()
-// Desc: Invalidates the current texture objects and rebuilds new ones
-// using the new device.
-//-----------------------------------------------------------------------------
-HRESULT D3DTextr_Restore( TCHAR* strName, LPDIRECT3DDEVICE7 pd3dDevice )
-{
- TextureContainer* ptcTexture = FindTexture( strName );
- if( NULL == ptcTexture )
- return DDERR_NOTFOUND;
-
- // Restore the texture (this recreates the new surface for this device).
- return ptcTexture->Restore( pd3dDevice );
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: D3DTextr_RestoreAllTextures()
-// Desc: This function is called when a mode is changed. It updates all
-// texture objects to be valid with the new device.
-//-----------------------------------------------------------------------------
-HRESULT D3DTextr_RestoreAllTextures( LPDIRECT3DDEVICE7 pd3dDevice )
-{
- TextureContainer* ptcTexture = g_ptcTextureList;
-
- while( ptcTexture )
- {
- D3DTextr_Restore( ptcTexture->m_strName, pd3dDevice );
- ptcTexture = ptcTexture->m_pNext;
- }
-
- return S_OK;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: D3DTextr_Invalidate()
-// Desc: Used to bump a texture out of (video) memory, this function
-// actually destroys the d3dtexture and ddsurface of the texture
-//-----------------------------------------------------------------------------
-HRESULT D3DTextr_Invalidate( TCHAR* strName )
-{
- TextureContainer* ptcTexture = FindTexture( strName );
- if( NULL == ptcTexture )
- return DDERR_NOTFOUND;
-
- SAFE_RELEASE( ptcTexture->m_pddsSurface );
-
- return S_OK;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: D3DTextr_InvalidateAllTextures()
-// Desc: This function is called when a mode is changed. It invalidates
-// all texture objects so their device can be safely released.
-//-----------------------------------------------------------------------------
-HRESULT D3DTextr_InvalidateAllTextures()
-{
- TextureContainer* ptcTexture = g_ptcTextureList;
-
- while( ptcTexture )
- {
- SAFE_RELEASE( ptcTexture->m_pddsSurface );
- ptcTexture = ptcTexture->m_pNext;
- }
-
- return S_OK;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: D3DTextr_DestroyTexture()
-// Desc: Frees the resources for the specified texture container
-//-----------------------------------------------------------------------------
-HRESULT D3DTextr_DestroyTexture( TCHAR* strName )
-{
- TextureContainer* ptcTexture = FindTexture( strName );
-
- SAFE_DELETE( ptcTexture );
-
- return S_OK;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// Name: D3DTextr_GetSurface()
-// Desc: Returns a pointer to a d3dSurface from the name of the texture
-//-----------------------------------------------------------------------------
-LPDIRECTDRAWSURFACE7 D3DTextr_GetSurface( TCHAR* strName )
-{
- TextureContainer* ptcTexture = FindTexture( strName );
-
- return ptcTexture ? ptcTexture->m_pddsSurface : NULL;
-}
-
-
-
-
-
+// * This file is part of the COLOBOT source code +// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch +// * +// * This program is free software: you can redistribute it and/or modify +// * it under the terms of the GNU General Public License as published by +// * the Free Software Foundation, either version 3 of the License, or +// * (at your option) any later version. +// * +// * This program is distributed in the hope that it will be useful, +// * but WITHOUT ANY WARRANTY; without even the implied warranty of +// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// * GNU General Public License for more details. +// * +// * You should have received a copy of the GNU General Public License +// * along with this program. If not, see http://www.gnu.org/licenses/. + +//----------------------------------------------------------------------------- +// File: D3DTextr.cpp +// +// Desc: Functions to manage textures, including creating (loading from a +// file), restoring lost surfaces, invalidating, and destroying. +// +// Note: the implementation of these fucntions maintain an internal list +// of loaded textures. After creation, individual textures are referenced +// via their ASCII names. +// +// Copyright (c) 1996-1999 Microsoft Corporation. All rights reserved +//----------------------------------------------------------------------------- +#include <tchar.h> +#include <stdio.h> +#include <algorithm> +using std::min; +#include "old/d3dtextr.h" +#include "old/d3dutil.h" +#include "common/language.h" +#include "common/misc.h" + + + + +//----------------------------------------------------------------------------- +// Macros, function prototypes and static variable +//----------------------------------------------------------------------------- +static TCHAR g_strTexturePath[512] = _T(""); // Path for files +static bool g_bDebugMode = false; + + + +void D3DTextr_SetDebugMode(bool bDebug) +{ + g_bDebugMode = bDebug; +} + + + +//----------------------------------------------------------------------------- +// Name: TextureContainer +// Desc: Linked list structure to hold info per texture +//----------------------------------------------------------------------------- +struct TextureContainer +{ + TextureContainer* m_pNext; // Linked list ptr + + TCHAR m_strName[80]; // Name of texture (doubles as image filename) + DWORD m_dwWidth; + DWORD m_dwHeight; + DWORD m_dwStage; // Texture stage (for multitexture devices) + DWORD m_dwBPP; + DWORD m_dwFlags; + bool m_bHasAlpha; + + LPDIRECTDRAWSURFACE7 m_pddsSurface; // Surface of the texture + HBITMAP m_hbmBitmap; // Bitmap containing texture image + DWORD* m_pRGBAData; + +public: + HRESULT LoadImageData(); + HRESULT LoadBitmapFile( TCHAR* strPathname ); + HRESULT LoadTargaFile( TCHAR* strPathname, TCHAR* strFilename ); + HRESULT Restore( LPDIRECT3DDEVICE7 pd3dDevice ); + HRESULT CopyBitmapToSurface(); + HRESULT CopyRGBADataToSurface(); + + TextureContainer( TCHAR* strName, DWORD dwStage, DWORD dwFlags ); + ~TextureContainer(); +}; + +// Local list of textures +static TextureContainer* g_ptcTextureList = NULL; + + + + +//----------------------------------------------------------------------------- +// Name: CD3DTextureManager +// Desc: Class used to automatically construct and destruct the static +// texture engine class. +//----------------------------------------------------------------------------- +class CD3DTextureManager +{ +public: + CD3DTextureManager() {} + ~CD3DTextureManager() { if( g_ptcTextureList ) delete g_ptcTextureList; } +}; + +// Global instance +CD3DTextureManager g_StaticTextureEngine; + + + + +//----------------------------------------------------------------------------- +// Name: struct TEXTURESEARCHINFO +// Desc: Structure used to search for texture formats +//----------------------------------------------------------------------------- +struct TEXTURESEARCHINFO +{ + DWORD dwDesiredBPP; // Input for texture format search + bool bUseAlpha; + bool bUsePalette; + bool bFoundGoodFormat; + + DDPIXELFORMAT* pddpf; // Output of texture format search +}; + + + + +//----------------------------------------------------------------------------- +// Name: TextureSearchCallback() +// Desc: Enumeration callback routine to find a best-matching texture format. +// The param data is the DDPIXELFORMAT of the best-so-far matching +// texture. Note: the desired BPP is passed in the dwSize field, and the +// default BPP is passed in the dwFlags field. +//----------------------------------------------------------------------------- +static HRESULT CALLBACK TextureSearchCallback( DDPIXELFORMAT* pddpf, + VOID* param ) +{ + if( NULL==pddpf || NULL==param ) + return DDENUMRET_OK; + + TEXTURESEARCHINFO* ptsi = (TEXTURESEARCHINFO*)param; + + // Skip any funky modes + if( pddpf->dwFlags & (DDPF_LUMINANCE|DDPF_BUMPLUMINANCE|DDPF_BUMPDUDV) ) + return DDENUMRET_OK; + + // Check for palettized formats + if( ptsi->bUsePalette ) + { + if( !( pddpf->dwFlags & DDPF_PALETTEINDEXED8 ) ) + return DDENUMRET_OK; + + // Accept the first 8-bit palettized format we get + memcpy( ptsi->pddpf, pddpf, sizeof(DDPIXELFORMAT) ); + ptsi->bFoundGoodFormat = true; + return DDENUMRET_CANCEL; + } + + // Else, skip any paletized formats (all modes under 16bpp) + if( pddpf->dwRGBBitCount < 16 ) + return DDENUMRET_OK; + + // Skip any FourCC formats + if( pddpf->dwFourCC != 0 ) + return DDENUMRET_OK; + + // Skip any ARGB 4444 formats (which are best used for pre-authored + // content designed speciafically for an ARGB 4444 format). + if( pddpf->dwRGBAlphaBitMask == 0x0000f000 ) + return DDENUMRET_OK; + + // Make sure current alpha format agrees with requested format type + if( (ptsi->bUseAlpha==true) && !(pddpf->dwFlags&DDPF_ALPHAPIXELS) ) + return DDENUMRET_OK; + if( (ptsi->bUseAlpha==false) && (pddpf->dwFlags&DDPF_ALPHAPIXELS) ) + return DDENUMRET_OK; + + // Check if we found a good match + if( pddpf->dwRGBBitCount == ptsi->dwDesiredBPP ) + { + memcpy( ptsi->pddpf, pddpf, sizeof(DDPIXELFORMAT) ); + ptsi->bFoundGoodFormat = true; + return DDENUMRET_CANCEL; + } + + return DDENUMRET_OK; +} + + + + +//----------------------------------------------------------------------------- +// Name: FindTexture() +// Desc: Searches the internal list of textures for a texture specified by +// its name. Returns the structure associated with that texture. +//----------------------------------------------------------------------------- +static TextureContainer* FindTexture( TCHAR* strTextureName ) +{ + TextureContainer* ptcTexture = g_ptcTextureList; + + while( ptcTexture ) + { + if( !lstrcmpi( strTextureName, ptcTexture->m_strName ) ) + return ptcTexture; + ptcTexture = ptcTexture->m_pNext; + } + + return NULL; +} + + + + +//----------------------------------------------------------------------------- +// Name: TextureContainer() +// Desc: Constructor for a texture object +//----------------------------------------------------------------------------- +TextureContainer::TextureContainer( TCHAR* strName, DWORD dwStage, + DWORD dwFlags ) +{ + lstrcpy( m_strName, strName ); + m_dwWidth = 0; + m_dwHeight = 0; + m_dwStage = dwStage; + m_dwBPP = 0; + m_dwFlags = dwFlags; + m_bHasAlpha = 0; + + m_pddsSurface = NULL; + m_hbmBitmap = NULL; + m_pRGBAData = NULL; + + // Add the texture to the head of the global texture list + m_pNext = g_ptcTextureList; + g_ptcTextureList = this; + +} + + + + +//----------------------------------------------------------------------------- +// Name: ~TextureContainer() +// Desc: Destructs the contents of the texture container +//----------------------------------------------------------------------------- +TextureContainer::~TextureContainer() +{ + SAFE_RELEASE( m_pddsSurface ); + SAFE_DELETE( m_pRGBAData ); + DeleteObject( m_hbmBitmap ); + + // Remove the texture container from the global list + if( g_ptcTextureList == this ) + g_ptcTextureList = m_pNext; + else + { + for( TextureContainer* ptc=g_ptcTextureList; ptc; ptc=ptc->m_pNext ) + if( ptc->m_pNext == this ) + ptc->m_pNext = m_pNext; + } +} + + + + +//----------------------------------------------------------------------------- +// Name: LoadImageData() +// Desc: Loads the texture map's image data +//----------------------------------------------------------------------------- +HRESULT TextureContainer::LoadImageData() +{ + TCHAR* strExtension; + TCHAR strMetaname[256]; + TCHAR strFilename[256]; + + if ( g_bDebugMode ) + { + if ( _tcsrchr( m_strName, _T('\\') ) == 0 ) + { + lstrcpy( strMetaname, "" ); + lstrcpy( strFilename, g_strTexturePath ); + lstrcat( strFilename, m_strName ); + } + else + { + lstrcpy( strMetaname, "" ); + lstrcpy( strFilename, m_strName ); + } + } + else + { + if ( _tcsrchr( m_strName, _T('\\') ) == 0 ) + { +#if _SCHOOL + lstrcpy( strMetaname, "ceebot1.dat" ); +#else + lstrcpy( strMetaname, "colobot1.dat" ); +#endif + lstrcpy( strFilename, m_strName ); + } + else + { + lstrcpy( strMetaname, "" ); + lstrcpy( strFilename, m_strName ); + } + } + + if ( !g_metafile.IsExist(strMetaname, strFilename) ) + { + return DDERR_NOTFOUND; + } + + // Get the filename extension + if ( NULL == ( strExtension = _tcsrchr( m_strName, _T('.') ) ) ) + { + return DDERR_UNSUPPORTED; + } + + // Load bitmap files + if ( strMetaname[0] == 0 && !lstrcmpi( strExtension, _T(".bmp") ) ) + { + return LoadBitmapFile( strFilename ); + } + + // Load targa files + if ( !lstrcmpi( strExtension, _T(".tga") ) ) + { + return LoadTargaFile( strMetaname, strFilename ); + } + + // Can add code here to check for other file formats before failing + return DDERR_UNSUPPORTED; +} + + + + +//----------------------------------------------------------------------------- +// Name: LoadBitmapFile() +// Desc: Loads data from a .bmp file, and stores it in a bitmap structure. +//----------------------------------------------------------------------------- +HRESULT TextureContainer::LoadBitmapFile( TCHAR* strPathname ) +{ + // Try to load the bitmap as a file + m_hbmBitmap = (HBITMAP)LoadImage( NULL, strPathname, IMAGE_BITMAP, 0, 0, + LR_LOADFROMFILE|LR_CREATEDIBSECTION ); + if( m_hbmBitmap ) + return S_OK; + + return DDERR_NOTFOUND; +} + + + + +//----------------------------------------------------------------------------- +// Name: LoadTargaFile() +// Desc: Loads RGBA data from a .tga file, and stores it in allocated memory +// for the specified texture container +//----------------------------------------------------------------------------- +HRESULT TextureContainer::LoadTargaFile( TCHAR* strMetaname, TCHAR* strFilename ) +{ + if( g_metafile.Open(strMetaname, strFilename) != 0 ) + return E_FAIL; + + struct TargaHeader + { + BYTE IDLength; + BYTE ColormapType; + BYTE ImageType; + BYTE ColormapSpecification[5]; + WORD XOrigin; + WORD YOrigin; + WORD ImageWidth; + WORD ImageHeight; + BYTE PixelDepth; + BYTE ImageDescriptor; + } tga; + + g_metafile.Read(&tga, sizeof(TargaHeader)); + + // Only true color, non-mapped images are supported + if( ( 0 != tga.ColormapType ) || + ( tga.ImageType != 10 && tga.ImageType != 2 ) ) + { + g_metafile.Close(); + return E_FAIL; + } + + // Skip the ID field. The first byte of the header is the length of this field + if( tga.IDLength ) + { + g_metafile.Seek(tga.IDLength); + } + + m_dwWidth = tga.ImageWidth; + m_dwHeight = tga.ImageHeight; + m_dwBPP = tga.PixelDepth; + m_pRGBAData = new DWORD[m_dwWidth*m_dwHeight]; + + if( m_pRGBAData == NULL ) + { + g_metafile.Close(); + return E_FAIL; + } + + for( DWORD y=0; y<m_dwHeight; y++ ) + { + DWORD dwOffset = y*m_dwWidth; + + if( 0 == ( tga.ImageDescriptor & 0x0010 ) ) + dwOffset = (m_dwHeight-y-1)*m_dwWidth; + + for( DWORD x=0; x<m_dwWidth; x ) + { + if( tga.ImageType == 10 ) + { + BYTE PacketInfo = g_metafile.GetByte(); + WORD PacketType = 0x80 & PacketInfo; + WORD PixelCount = ( 0x007f & PacketInfo ) + 1; + + if( PacketType ) + { + DWORD b = g_metafile.GetWord(); + DWORD g = g_metafile.GetWord(); + DWORD r = g_metafile.GetWord(); + DWORD a = 0xff; + if( m_dwBPP == 32 ) + a = g_metafile.GetWord(); + + while( PixelCount-- ) + { + m_pRGBAData[dwOffset+x] = (r<<24L)+(g<<16L)+(b<<8L)+(a); + x++; + } + } + else + { + while( PixelCount-- ) + { + BYTE b = g_metafile.GetByte(); + BYTE g = g_metafile.GetByte(); + BYTE r = g_metafile.GetByte(); + BYTE a = 0xff; + if( m_dwBPP == 32 ) + a = g_metafile.GetByte(); + + m_pRGBAData[dwOffset+x] = (r<<24L)+(g<<16L)+(b<<8L)+(a); + x++; + } + } + } + else + { + BYTE b = g_metafile.GetByte(); + BYTE g = g_metafile.GetByte(); + BYTE r = g_metafile.GetByte(); + BYTE a = 0xff; + if( m_dwBPP == 32 ) + a = g_metafile.GetByte(); + + m_pRGBAData[dwOffset+x] = (r<<24L)+(g<<16L)+(b<<8L)+(a); + x++; + } + } + } + + g_metafile.Close(); + + // Check for alpha content + for( DWORD i=0; i<(m_dwWidth*m_dwHeight); i++ ) + { +//? if( m_pRGBAData[i] & 0x000000ff != 0xff ) + if( (m_pRGBAData[i] & 0x000000ff) != 0xff ) // erreur corrig�e ! + { + m_bHasAlpha = true; + break; + } + } + + return S_OK; +} + + + + +//----------------------------------------------------------------------------- +// Name: Restore() +// Desc: Rebuilds the texture surface using the new device. +//----------------------------------------------------------------------------- +HRESULT TextureContainer::Restore( LPDIRECT3DDEVICE7 pd3dDevice ) +{ + // Release any previously created objects + SAFE_RELEASE( m_pddsSurface ); + + // Check params + if( NULL == pd3dDevice ) + return DDERR_INVALIDPARAMS; + + // Get the device caps + D3DDEVICEDESC7 ddDesc; + if( FAILED( pd3dDevice->GetCaps( &ddDesc) ) ) + return E_FAIL; + + // Setup the new surface desc + DDSURFACEDESC2 ddsd; + D3DUtil_InitSurfaceDesc( ddsd ); + ddsd.dwFlags = DDSD_CAPS|DDSD_HEIGHT|DDSD_WIDTH| + DDSD_PIXELFORMAT|DDSD_TEXTURESTAGE; + ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE; + ddsd.dwTextureStage = m_dwStage; + ddsd.dwWidth = m_dwWidth; + ddsd.dwHeight = m_dwHeight; + + // Turn on texture management for hardware devices + if( ddDesc.deviceGUID == IID_IDirect3DHALDevice ) + ddsd.ddsCaps.dwCaps2 = DDSCAPS2_TEXTUREMANAGE; + else if( ddDesc.deviceGUID == IID_IDirect3DTnLHalDevice ) + ddsd.ddsCaps.dwCaps2 = DDSCAPS2_TEXTUREMANAGE; + else + ddsd.ddsCaps.dwCaps |= DDSCAPS_SYSTEMMEMORY; + + // Adjust width and height to be powers of 2, if the device requires it + if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_POW2 ) + { + for( ddsd.dwWidth=1; m_dwWidth>ddsd.dwWidth; ddsd.dwWidth<<=1 ); + for( ddsd.dwHeight=1; m_dwHeight>ddsd.dwHeight; ddsd.dwHeight<<=1 ); + } + + // Limit max texture sizes, if the driver can't handle large textures + DWORD dwMaxWidth = ddDesc.dwMaxTextureWidth; + DWORD dwMaxHeight = ddDesc.dwMaxTextureHeight; + ddsd.dwWidth = min( ddsd.dwWidth, ( dwMaxWidth ? dwMaxWidth : 256 ) ); + ddsd.dwHeight = min( ddsd.dwHeight, ( dwMaxHeight ? dwMaxHeight : 256 ) ); + + // Make the texture square, if the driver requires it + if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_SQUAREONLY ) + { + if( ddsd.dwWidth > ddsd.dwHeight ) ddsd.dwHeight = ddsd.dwWidth; + else ddsd.dwWidth = ddsd.dwHeight; + } + + // Setup the structure to be used for texture enumration. + TEXTURESEARCHINFO tsi; + tsi.bFoundGoodFormat = false; + tsi.pddpf = &ddsd.ddpfPixelFormat; + tsi.dwDesiredBPP = m_dwBPP; + tsi.bUsePalette = ( m_dwBPP <= 8 ); + tsi.bUseAlpha = m_bHasAlpha; + if( m_dwFlags & D3DTEXTR_16BITSPERPIXEL ) + tsi.dwDesiredBPP = 16; + else if( m_dwFlags & D3DTEXTR_32BITSPERPIXEL ) + tsi.dwDesiredBPP = 32; + + if( m_dwFlags & (D3DTEXTR_TRANSPARENTWHITE|D3DTEXTR_TRANSPARENTBLACK) ) + { + if( tsi.bUsePalette ) + { + if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_ALPHAPALETTE ) + { + tsi.bUseAlpha = true; + tsi.bUsePalette = true; + } + else + { + tsi.bUseAlpha = true; + tsi.bUsePalette = false; + } + } + } + + // Enumerate the texture formats, and find the closest device-supported + // texture pixel format + pd3dDevice->EnumTextureFormats( TextureSearchCallback, &tsi ); + + // If we couldn't find a format, let's try a default format + if( false == tsi.bFoundGoodFormat ) + { + tsi.bUsePalette = false; + tsi.dwDesiredBPP = 16; + pd3dDevice->EnumTextureFormats( TextureSearchCallback, &tsi ); + + // If we still fail, we cannot create this texture + if( false == tsi.bFoundGoodFormat ) + return E_FAIL; + } + + // Get the DirectDraw interface for creating surfaces + LPDIRECTDRAW7 pDD; + LPDIRECTDRAWSURFACE7 pddsRender; + pd3dDevice->GetRenderTarget( &pddsRender ); + pddsRender->GetDDInterface( (VOID**)&pDD ); + pddsRender->Release(); + + // Create a new surface for the texture + HRESULT hr = pDD->CreateSurface( &ddsd, &m_pddsSurface, NULL ); + + // Done with DDraw + pDD->Release(); + + if( FAILED(hr) ) + return hr; + + // For bitmap-based textures, copy the bitmap image. + if( m_hbmBitmap ) + return CopyBitmapToSurface(); + + if( m_pRGBAData ) + return CopyRGBADataToSurface(); + + // At this point, code can be added to handle other file formats (such as + // .dds files, .jpg files, etc.). + return S_OK; +} + + + + +//----------------------------------------------------------------------------- +// Name: CopyBitmapToSurface() +// Desc: Copies the image of a bitmap into a surface +//----------------------------------------------------------------------------- +HRESULT TextureContainer::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; + } + 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 ); + } + } + + pDD->Release(); + + return S_OK;; +} + + + + +//----------------------------------------------------------------------------- +// Name: CopyRGBADataToSurface() +// Desc: Invalidates the current texture objects and rebuilds new ones +// using the new device. +//----------------------------------------------------------------------------- +HRESULT TextureContainer::CopyRGBADataToSurface() +{ + // Get a DDraw object to create a temporary surface + LPDIRECTDRAW7 pDD; + m_pddsSurface->GetDDInterface( (VOID**)&pDD ); + + // 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 = m_dwWidth; + ddsd.dwHeight = m_dwHeight; + + // Create a new surface for the texture + LPDIRECTDRAWSURFACE7 pddsTempSurface; + HRESULT hr; + if( FAILED( hr = pDD->CreateSurface( &ddsd, &pddsTempSurface, NULL ) ) ) + { + pDD->Release(); + return NULL; + } + + while( pddsTempSurface->Lock( NULL, &ddsd, 0, 0 ) == DDERR_WASSTILLDRAWING ); + DWORD lPitch = ddsd.lPitch; + BYTE* pBytes = (BYTE*)ddsd.lpSurface; + + DWORD dwRMask = ddsd.ddpfPixelFormat.dwRBitMask; + DWORD dwGMask = ddsd.ddpfPixelFormat.dwGBitMask; + DWORD dwBMask = ddsd.ddpfPixelFormat.dwBBitMask; + DWORD dwAMask = ddsd.ddpfPixelFormat.dwRGBAlphaBitMask; + + DWORD dwRShiftL = 8, dwRShiftR = 0; + DWORD dwGShiftL = 8, dwGShiftR = 0; + DWORD dwBShiftL = 8, dwBShiftR = 0; + DWORD dwAShiftL = 8, dwAShiftR = 0; + + DWORD dwMask; + for( dwMask=dwRMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwRShiftR++; + for( ; dwMask; dwMask>>=1 ) dwRShiftL--; + + for( dwMask=dwGMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwGShiftR++; + for( ; dwMask; dwMask>>=1 ) dwGShiftL--; + + for( dwMask=dwBMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwBShiftR++; + for( ; dwMask; dwMask>>=1 ) dwBShiftL--; + + for( dwMask=dwAMask; dwMask && !(dwMask&0x1); dwMask>>=1 ) dwAShiftR++; + for( ; dwMask; dwMask>>=1 ) dwAShiftL--; + + for( DWORD y=0; y<ddsd.dwHeight; y++ ) + { + DWORD* pDstData32 = (DWORD*)pBytes; + WORD* pDstData16 = (WORD*)pBytes; + + for( DWORD x=0; x<ddsd.dwWidth; x++ ) + { + DWORD dwPixel = m_pRGBAData[y*ddsd.dwWidth+x]; + + BYTE r = (BYTE)((dwPixel>>24)&0x000000ff); + BYTE g = (BYTE)((dwPixel>>16)&0x000000ff); + BYTE b = (BYTE)((dwPixel>> 8)&0x000000ff); + BYTE a = (BYTE)((dwPixel>> 0)&0x000000ff); + + DWORD dr = ((r>>(dwRShiftL))<<dwRShiftR)&dwRMask; + DWORD dg = ((g>>(dwGShiftL))<<dwGShiftR)&dwGMask; + DWORD db = ((b>>(dwBShiftL))<<dwBShiftR)&dwBMask; + DWORD da = ((a>>(dwAShiftL))<<dwAShiftR)&dwAMask; + + if( 32 == ddsd.ddpfPixelFormat.dwRGBBitCount ) + pDstData32[x] = (DWORD)(dr+dg+db+da); + else + pDstData16[x] = (WORD)(dr+dg+db+da); + } + + pBytes += ddsd.lPitch; + } + + pddsTempSurface->Unlock(0); + + // Copy the temp surface to the real texture surface + m_pddsSurface->Blt( NULL, pddsTempSurface, NULL, DDBLT_WAIT, NULL ); + + // Done with the temp objects + pddsTempSurface->Release(); + pDD->Release(); + + return S_OK; +} + + + + +//----------------------------------------------------------------------------- +// Name: D3DTextr_SetTexturePath() +// Desc: Enumeration callback routine to find a best-matching texture format. +//----------------------------------------------------------------------------- +VOID D3DTextr_SetTexturePath( TCHAR* strTexturePath ) +{ + if( NULL == strTexturePath ) + strTexturePath = _T(""); + lstrcpy( g_strTexturePath, strTexturePath ); +} + + + + +//----------------------------------------------------------------------------- +// Name: D3DTextr_CreateTextureFromFile() +// Desc: Is passed a filename and creates a local Bitmap from that file. +// The texture can not be used until it is restored, however. +//----------------------------------------------------------------------------- +HRESULT D3DTextr_CreateTextureFromFile( TCHAR* strName, DWORD dwStage, + DWORD dwFlags ) +{ + // Check parameters + if( NULL == strName ) + return E_INVALIDARG; + + // Check first to see if the texture is already loaded + if( NULL != FindTexture( strName ) ) + return S_OK; + + // Allocate and add the texture to the linked list of textures; + TextureContainer* ptcTexture = new TextureContainer( strName, dwStage, + dwFlags ); + if( NULL == ptcTexture ) + return E_OUTOFMEMORY; + + // Create a bitmap and load the texture file into it, + if( FAILED( ptcTexture->LoadImageData() ) ) + { + delete ptcTexture; + return E_FAIL; + } + + // Save the image's dimensions + if( ptcTexture->m_hbmBitmap ) + { + BITMAP bm; + GetObject( ptcTexture->m_hbmBitmap, sizeof(BITMAP), &bm ); + ptcTexture->m_dwWidth = (DWORD)bm.bmWidth; + ptcTexture->m_dwHeight = (DWORD)bm.bmHeight; + ptcTexture->m_dwBPP = (DWORD)bm.bmBitsPixel; + } + + return S_OK; +} + + + + +//----------------------------------------------------------------------------- +// Name: D3DTextr_CreateEmptyTexture() +// Desc: Creates an empty texture. +//----------------------------------------------------------------------------- +HRESULT D3DTextr_CreateEmptyTexture( TCHAR* strName, DWORD dwWidth, + DWORD dwHeight, DWORD dwStage, + DWORD dwFlags ) +{ + // Check parameters + if( NULL == strName ) + return E_INVALIDARG; + + // Check first to see if the texture is already loaded + if( NULL != FindTexture( strName ) ) + return E_FAIL; + + // Allocate and add the texture to the linked list of textures; + TextureContainer* ptcTexture = new TextureContainer( strName, dwStage, + dwFlags ); + if( NULL == ptcTexture ) + return E_OUTOFMEMORY; + + // Save dimensions + ptcTexture->m_dwWidth = dwWidth; + ptcTexture->m_dwHeight = dwHeight; + ptcTexture->m_dwBPP = 16; + if( ptcTexture->m_dwFlags & D3DTEXTR_32BITSPERPIXEL ) + ptcTexture->m_dwBPP = 32; + + // Save alpha usage flag + if( dwFlags & D3DTEXTR_CREATEWITHALPHA ) + ptcTexture->m_bHasAlpha = true; + + return S_OK; +} + + + + +//----------------------------------------------------------------------------- +// Name: D3DTextr_Restore() +// Desc: Invalidates the current texture objects and rebuilds new ones +// using the new device. +//----------------------------------------------------------------------------- +HRESULT D3DTextr_Restore( TCHAR* strName, LPDIRECT3DDEVICE7 pd3dDevice ) +{ + TextureContainer* ptcTexture = FindTexture( strName ); + if( NULL == ptcTexture ) + return DDERR_NOTFOUND; + + // Restore the texture (this recreates the new surface for this device). + return ptcTexture->Restore( pd3dDevice ); +} + + + + +//----------------------------------------------------------------------------- +// Name: D3DTextr_RestoreAllTextures() +// Desc: This function is called when a mode is changed. It updates all +// texture objects to be valid with the new device. +//----------------------------------------------------------------------------- +HRESULT D3DTextr_RestoreAllTextures( LPDIRECT3DDEVICE7 pd3dDevice ) +{ + TextureContainer* ptcTexture = g_ptcTextureList; + + while( ptcTexture ) + { + D3DTextr_Restore( ptcTexture->m_strName, pd3dDevice ); + ptcTexture = ptcTexture->m_pNext; + } + + return S_OK; +} + + + + +//----------------------------------------------------------------------------- +// Name: D3DTextr_Invalidate() +// Desc: Used to bump a texture out of (video) memory, this function +// actually destroys the d3dtexture and ddsurface of the texture +//----------------------------------------------------------------------------- +HRESULT D3DTextr_Invalidate( TCHAR* strName ) +{ + TextureContainer* ptcTexture = FindTexture( strName ); + if( NULL == ptcTexture ) + return DDERR_NOTFOUND; + + SAFE_RELEASE( ptcTexture->m_pddsSurface ); + + return S_OK; +} + + + + +//----------------------------------------------------------------------------- +// Name: D3DTextr_InvalidateAllTextures() +// Desc: This function is called when a mode is changed. It invalidates +// all texture objects so their device can be safely released. +//----------------------------------------------------------------------------- +HRESULT D3DTextr_InvalidateAllTextures() +{ + TextureContainer* ptcTexture = g_ptcTextureList; + + while( ptcTexture ) + { + SAFE_RELEASE( ptcTexture->m_pddsSurface ); + ptcTexture = ptcTexture->m_pNext; + } + + return S_OK; +} + + + + +//----------------------------------------------------------------------------- +// Name: D3DTextr_DestroyTexture() +// Desc: Frees the resources for the specified texture container +//----------------------------------------------------------------------------- +HRESULT D3DTextr_DestroyTexture( TCHAR* strName ) +{ + TextureContainer* ptcTexture = FindTexture( strName ); + + SAFE_DELETE( ptcTexture ); + + return S_OK; +} + + + + +//----------------------------------------------------------------------------- +// Name: D3DTextr_GetSurface() +// Desc: Returns a pointer to a d3dSurface from the name of the texture +//----------------------------------------------------------------------------- +LPDIRECTDRAWSURFACE7 D3DTextr_GetSurface( TCHAR* strName ) +{ + TextureContainer* ptcTexture = FindTexture( strName ); + + return ptcTexture ? ptcTexture->m_pddsSurface : NULL; +} + + + + + |