void CreateDefaultCubemaps( bool bHDR ) { memset( g_IsCubemapTexData, 0, sizeof(g_IsCubemapTexData) ); // NOTE: This implementation depends on the fact that all VTF files contain // all mipmap levels const char *pSkyboxBaseName = FindSkyboxMaterialName(); char skyboxMaterialName[MAX_PATH]; Q_snprintf( skyboxMaterialName, MAX_PATH, "skybox/%s", pSkyboxBaseName ); IVTFTexture *pSrcVTFTextures[6]; if( !skyboxMaterialName ) { if( s_DefaultCubemapNames.Count() ) { Warning( "This map uses env_cubemap, and you don't have a skybox, so no default env_cubemaps will be generated.\n" ); } return; } int unionTextureFlags = 0; if( !LoadSrcVTFFiles( pSrcVTFTextures, skyboxMaterialName, &unionTextureFlags, bHDR ) ) { Warning( "Can't load skybox file %s to build the default cubemap!\n", skyboxMaterialName ); return; } Msg( "Creating default %scubemaps for env_cubemap using skybox materials:\n%s*.vmt\n" "Run buildcubemaps in the engine to get the correct cube maps.\n\n", bHDR ? "HDR " : "", skyboxMaterialName ); // Figure out the mip differences between the two textures int iMipLevelOffset = 0; int tmp = pSrcVTFTextures[0]->Width(); while( tmp > DEFAULT_CUBEMAP_SIZE ) { iMipLevelOffset++; tmp >>= 1; } // Create the destination cubemap IVTFTexture *pDstCubemap = CreateVTFTexture(); pDstCubemap->Init( DEFAULT_CUBEMAP_SIZE, DEFAULT_CUBEMAP_SIZE, 1, pSrcVTFTextures[0]->Format(), unionTextureFlags | TEXTUREFLAGS_ENVMAP, pSrcVTFTextures[0]->FrameCount() ); // First iterate over all frames for (int iFrame = 0; iFrame < pDstCubemap->FrameCount(); ++iFrame) { // Next iterate over all normal cube faces (we know there's 6 cause it's an envmap) for (int iFace = 0; iFace < 6; ++iFace ) { // Finally, iterate over all mip levels in the *destination* for (int iMip = 0; iMip < pDstCubemap->MipCount(); ++iMip ) { // Copy the bits from the source images into the cube faces unsigned char *pSrcBits = pSrcVTFTextures[iFace]->ImageData( iFrame, 0, iMip + iMipLevelOffset ); unsigned char *pDstBits = pDstCubemap->ImageData( iFrame, iFace, iMip ); int iSize = pDstCubemap->ComputeMipSize( iMip ); memcpy( pDstBits, pSrcBits, iSize ); } } } ImageFormat originalFormat = pDstCubemap->Format(); if( !bHDR ) { // Convert the cube to format that we can apply tools to it... pDstCubemap->ConvertImageFormat( IMAGE_FORMAT_DEFAULT, false ); } // Fixup the cubemap facing pDstCubemap->FixCubemapFaceOrientation(); // Now that the bits are in place, compute the spheremaps... pDstCubemap->GenerateSpheremap(); if( !bHDR ) { // Convert the cubemap to the final format pDstCubemap->ConvertImageFormat( originalFormat, false ); } // Write the puppy out! char dstVTFFileName[1024]; if( bHDR ) { sprintf( dstVTFFileName, "materials/maps/%s/cubemapdefault.hdr.vtf", mapbase ); } else { sprintf( dstVTFFileName, "materials/maps/%s/cubemapdefault.vtf", mapbase ); } CUtlBuffer outputBuf; if (!pDstCubemap->Serialize( outputBuf )) { Warning( "Error serializing default cubemap %s\n", dstVTFFileName ); return; } // spit out the default one. AddBufferToPack( dstVTFFileName, outputBuf.Base(), outputBuf.TellPut(), false ); // spit out all of the ones that are attached to world geometry. int i; for( i = 0; i < s_DefaultCubemapNames.Count(); i++ ) { char vtfName[MAX_PATH]; VTFNameToHDRVTFName( s_DefaultCubemapNames[i], vtfName, MAX_PATH, bHDR ); if( FileExistsInPack( vtfName ) ) { continue; } AddBufferToPack( vtfName, outputBuf.Base(),outputBuf.TellPut(), false ); } // Clean up the textures for( i = 0; i < 6; i++ ) { DestroyVTFTexture( pSrcVTFTextures[i] ); } DestroyVTFTexture( pDstCubemap ); }
void CreateDefaultCubemaps( bool bHDR ) { memset( g_IsCubemapTexData, 0, sizeof(g_IsCubemapTexData) ); // NOTE: This implementation depends on the fact that all VTF files contain // all mipmap levels const char *pSkyboxBaseName = FindSkyboxMaterialName(); char skyboxMaterialName[MAX_PATH]; Q_snprintf( skyboxMaterialName, MAX_PATH, "skybox/%s", pSkyboxBaseName ); IVTFTexture *pSrcVTFTextures[6]; if( !skyboxMaterialName ) { if( s_DefaultCubemapNames.Count() ) { Warning( "This map uses env_cubemap, and you don't have a skybox, so no default env_cubemaps will be generated.\n" ); } return; } int unionTextureFlags = 0; if( !LoadSrcVTFFiles( pSrcVTFTextures, skyboxMaterialName, &unionTextureFlags, bHDR ) ) { Warning( "Can't load skybox file %s to build the default cubemap!\n", skyboxMaterialName ); return; } Msg( "Creating default %scubemaps for env_cubemap using skybox materials:\n %s*.vmt\n" " ! Run buildcubemaps in the engine to get the correct cube maps.\n", bHDR ? "HDR " : "LDR ", skyboxMaterialName ); // Figure out the mip differences between the two textures int iMipLevelOffset = 0; int tmp = pSrcVTFTextures[0]->Width(); while( tmp > DEFAULT_CUBEMAP_SIZE ) { iMipLevelOffset++; tmp >>= 1; } // Create the destination cubemap IVTFTexture *pDstCubemap = CreateVTFTexture(); pDstCubemap->Init( DEFAULT_CUBEMAP_SIZE, DEFAULT_CUBEMAP_SIZE, 1, pSrcVTFTextures[0]->Format(), unionTextureFlags | TEXTUREFLAGS_ENVMAP, pSrcVTFTextures[0]->FrameCount() ); // First iterate over all frames for (int iFrame = 0; iFrame < pDstCubemap->FrameCount(); ++iFrame) { // Next iterate over all normal cube faces (we know there's 6 cause it's an envmap) for (int iFace = 0; iFace < 6; ++iFace ) { // Finally, iterate over all mip levels in the *destination* for (int iMip = 0; iMip < pDstCubemap->MipCount(); ++iMip ) { // Copy the bits from the source images into the cube faces unsigned char *pSrcBits = pSrcVTFTextures[iFace]->ImageData( iFrame, 0, iMip + iMipLevelOffset ); unsigned char *pDstBits = pDstCubemap->ImageData( iFrame, iFace, iMip ); int iSize = pDstCubemap->ComputeMipSize( iMip ); int iSrcMipSize = pSrcVTFTextures[iFace]->ComputeMipSize( iMip + iMipLevelOffset ); // !!! FIXME: Set this to black until HDR cubemaps are built properly! memset( pDstBits, 0, iSize ); continue; if ( ( pSrcVTFTextures[iFace]->Width() == 4 ) && ( pSrcVTFTextures[iFace]->Height() == 4 ) ) // If texture is 4x4 square { // Force mip level 2 to get the 1x1 face unsigned char *pSrcBits = pSrcVTFTextures[iFace]->ImageData( iFrame, 0, 2 ); int iSrcMipSize = pSrcVTFTextures[iFace]->ComputeMipSize( 2 ); // Replicate 1x1 mip level across entire face //memset( pDstBits, 0, iSize ); for ( int i = 0; i < ( iSize / iSrcMipSize ); i++ ) { memcpy( pDstBits + ( i * iSrcMipSize ), pSrcBits, iSrcMipSize ); } } else if ( pSrcVTFTextures[iFace]->Width() == pSrcVTFTextures[iFace]->Height() ) // If texture is square { if ( iSrcMipSize != iSize ) { Warning( "%s - ERROR! Cannot copy square face for default cubemap! iSrcMipSize(%d) != iSize(%d)\n", skyboxMaterialName, iSrcMipSize, iSize ); memset( pDstBits, 0, iSize ); } else { // Just copy the mip level memcpy( pDstBits, pSrcBits, iSize ); } } else if ( pSrcVTFTextures[iFace]->Width() == pSrcVTFTextures[iFace]->Height()*2 ) // If texture is rectangle 2x wide { int iMipWidth, iMipHeight, iMipDepth; pDstCubemap->ComputeMipLevelDimensions( iMip, &iMipWidth, &iMipHeight, &iMipDepth ); if ( ( iMipHeight > 1 ) && ( iSrcMipSize*2 != iSize ) ) { Warning( "%s - ERROR building default cube map! %d*2 != %d\n", skyboxMaterialName, iSrcMipSize, iSize ); memset( pDstBits, 0, iSize ); } else { // Copy row at a time and repeat last row memcpy( pDstBits, pSrcBits, iSize/2 ); //memcpy( pDstBits + iSize/2, pSrcBits, iSize/2 ); int nSrcRowSize = pSrcVTFTextures[iFace]->RowSizeInBytes( iMip + iMipLevelOffset ); int nDstRowSize = pDstCubemap->RowSizeInBytes( iMip ); if ( nSrcRowSize != nDstRowSize ) { Warning( "%s - ERROR building default cube map! nSrcRowSize(%d) != nDstRowSize(%d)!\n", skyboxMaterialName, nSrcRowSize, nDstRowSize ); memset( pDstBits, 0, iSize ); } else { for ( int i = 0; i < ( iSize/2 / nSrcRowSize ); i++ ) { memcpy( pDstBits + iSize/2 + i*nSrcRowSize, pSrcBits + iSrcMipSize - nSrcRowSize, nSrcRowSize ); } } } } else { // ERROR! This code only supports square and rectangluar 2x wide Warning( "%s - Couldn't create default cubemap because texture res is %dx%d\n", skyboxMaterialName, pSrcVTFTextures[iFace]->Width(), pSrcVTFTextures[iFace]->Height() ); memset( pDstBits, 0, iSize ); return; } } } } ImageFormat originalFormat = pDstCubemap->Format(); if( !bHDR ) { // Convert the cube to format that we can apply tools to it... pDstCubemap->ConvertImageFormat( IMAGE_FORMAT_DEFAULT, false ); } // Fixup the cubemap facing pDstCubemap->FixCubemapFaceOrientation(); // Now that the bits are in place, compute the spheremaps... pDstCubemap->GenerateSpheremap(); if( !bHDR ) { // Convert the cubemap to the final format pDstCubemap->ConvertImageFormat( originalFormat, false ); } // Write the puppy out! char dstVTFFileName[1024]; if( bHDR ) { sprintf( dstVTFFileName, "materials/maps/%s/cubemapdefault.hdr.vtf", mapbase ); } else { sprintf( dstVTFFileName, "materials/maps/%s/cubemapdefault.vtf", mapbase ); } CUtlBuffer outputBuf; if (!pDstCubemap->Serialize( outputBuf )) { Warning( "Error serializing default cubemap %s\n", dstVTFFileName ); return; } IZip *pak = GetPakFile(); // spit out the default one. AddBufferToPak( pak, dstVTFFileName, outputBuf.Base(), outputBuf.TellPut(), false ); // spit out all of the ones that are attached to world geometry. int i; for( i = 0; i < s_DefaultCubemapNames.Count(); i++ ) { char vtfName[MAX_PATH]; VTFNameToHDRVTFName( s_DefaultCubemapNames[i], vtfName, MAX_PATH, bHDR ); if( FileExistsInPak( pak, vtfName ) ) { continue; } AddBufferToPak( pak, vtfName, outputBuf.Base(),outputBuf.TellPut(), false ); } // Clean up the textures for( i = 0; i < 6; i++ ) { DestroyVTFTexture( pSrcVTFTextures[i] ); } DestroyVTFTexture( pDstCubemap ); }