// --[ Method ]--------------------------------------------------------------- // // - Class : CStravaganzaMaxTools // // - prototype : bool BuildShaders() // // - Purpose : Builds the shader list from MAX's materials. // Preview mode requires texture files to be stored with full // path in order to load them. When we export, we only store the // filename. Another thing is that in the export mode, we copy // all textures into the path specified by the user if that // option is checked. // // ----------------------------------------------------------------------------- bool CStravaganzaMaxTools::BuildShaders() { std::vector<Mtl*>::iterator it; assert(m_vecShaders.empty()); if(!m_bPreview && m_bCopyTextures && m_strTexturePath == "") { CLogger::NotifyWindow("Textures won't be copied\nSpecify a valid output texture path first"); } LOG.Write("\n\n-Building shaders: "); for(it = m_vecMaterials.begin(); it != m_vecMaterials.end(); ++it) { Mtl* pMaxMaterial = *it; assert(pMaxMaterial); LOG.Write("\n %s", pMaxMaterial->GetName().data()); CShaderStandard* pShaderStd = new CShaderStandard; pShaderStd->SetName(pMaxMaterial->GetName().data()); // Properties StdMat2 *pMaxStandardMtl = NULL; StdMat2 *pMaxBakedMtl = NULL; float fAlpha; if(pMaxMaterial->ClassID() == Class_ID(DMTL_CLASS_ID, 0)) { pMaxStandardMtl = (StdMat2 *)pMaxMaterial; } else if(pMaxMaterial->ClassID() == Class_ID(BAKE_SHELL_CLASS_ID, 0)) { pMaxStandardMtl = (StdMat2 *)pMaxMaterial->GetSubMtl(0); pMaxBakedMtl = (StdMat2 *)pMaxMaterial->GetSubMtl(1); } if(pMaxStandardMtl) { // Standard material fAlpha = pMaxStandardMtl->GetOpacity(0); Shader* pMaxShader = pMaxStandardMtl->GetShader(); CVector4 v4Specular = ColorToVector4(pMaxStandardMtl->GetSpecular(0), 0.0f) * pMaxShader->GetSpecularLevel(0, 0); pShaderStd->SetAmbient (ColorToVector4(pMaxStandardMtl->GetAmbient(0), 0.0f)); pShaderStd->SetDiffuse (ColorToVector4(pMaxStandardMtl->GetDiffuse(0), fAlpha)); pShaderStd->SetSpecular (v4Specular); pShaderStd->SetShininess(pMaxShader->GetGlossiness(0, 0) * 128.0f); if(pMaxStandardMtl->GetTwoSided() == TRUE) { pShaderStd->SetTwoSided(true); } // Need to cast to StdMat2 in order to get access to IsFaceted(). // ¿Is StdMat2 always the interface for standard materials? if(((StdMat2*)pMaxStandardMtl)->IsFaceted()) { pShaderStd->SetFaceted(true); } if(pMaxStandardMtl->GetWire() == TRUE) { pShaderStd->SetPostWire(true); pShaderStd->SetWireLineThickness(pMaxStandardMtl->GetWireSize(0)); } } else { // Material != Standard fAlpha = 1.0f; // pMaxMaterial->GetXParency(); pShaderStd->SetAmbient (ColorToVector4(pMaxMaterial->GetAmbient(), 0.0f)); pShaderStd->SetDiffuse (ColorToVector4(pMaxMaterial->GetDiffuse(), fAlpha)); pShaderStd->SetSpecular (CVector4(0.0f, 0.0f, 0.0f, 0.0f)); pShaderStd->SetShininess(0.0f); } // Layers if(!pMaxStandardMtl) { m_vecShaders.push_back(pShaderStd); continue; } bool bDiffuseMap32Bits = false; StdMat2 *pStandardMtl; for(int i = 0; i < 3; i++) { int nMap; pStandardMtl = pMaxStandardMtl; // 0 = diffuse, 1 == bump, 2 = lightmap (self illumination slot) or envmap (reflection slot) if(i == 0) { nMap = ID_DI; } else if(i == 1) { nMap = ID_BU; // If its a baked material, get the bump map from there if(pMaxBakedMtl) { pStandardMtl = pMaxBakedMtl; } } else if(i == 2) { bool bBaked = false; // If its a baked material, get the map2 (lightmap) from there if(pMaxBakedMtl) { if(pMaxBakedMtl->GetMapState(ID_SI) == MAXMAPSTATE_ENABLED) { bBaked = true; nMap = ID_SI; pStandardMtl = pMaxBakedMtl; } } if(!bBaked) { if(pStandardMtl->GetMapState(ID_SI) == MAXMAPSTATE_ENABLED) { nMap = ID_SI; } else { nMap = ID_RL; } } } // Check validity if(pStandardMtl->GetMapState(nMap) != MAXMAPSTATE_ENABLED) { if(i == 0) { LOG.Write("\n No diffuse. Skipping."); break; } continue; } Texmap* pMaxTexmap = pStandardMtl->GetSubTexmap(nMap); if(!pMaxTexmap) { if(i == 0) { LOG.Write("\n No diffuse. Skipping."); break; } continue; } // Get texmaps std::vector<std::string> vecTextures, vecPaths; CShaderStandard::SLayerInfo layerInfo; CShaderStandard::SBitmapInfo bitmapInfo; if(pMaxTexmap->ClassID() == Class_ID(BMTEX_CLASS_ID, 0)) { BitmapTex* pMaxBitmapTex = (BitmapTex*)pMaxTexmap; Bitmap* pMaxBitmap = pMaxBitmapTex->GetBitmap(SECONDS_TO_TICKS(m_fStartTime)); StdUVGen* pMaxUVGen = pMaxBitmapTex->GetUVGen(); if(!pMaxBitmap) { if(i == 0) { LOG.Write("\n Invalid diffuse. Skipping."); break; } continue; } assert(pMaxUVGen); BitmapInfo bi = pMaxBitmap->Storage()->bi; // bi.Name() returns the full path // bi.Filename() returns just the filename vecTextures.push_back(bi.Filename()); vecPaths. push_back(bi.Name()); LOG.Write("\n Bitmap %s", vecTextures[0].data()); // Check if diffuse texture has alpha channel if(i == 0) { CBitmap bitmap; CInputFile bitmapFile; if(!bitmapFile.Open(bi.Name(), false)) { CLogger::NotifyWindow("WARNING - CStravaganzaMaxTools::BuildShaders():\nUnable to load file %s", bi.Name()); } else { if(!bitmap.Load(&bitmapFile, GetFileExt(bi.Name()))) { CLogger::NotifyWindow("WARNING - CStravaganzaMaxTools::BuildShaders():\nUnable to load bitmap %s", bi.Name()); } else { if(bitmap.GetBpp() == 32) { bDiffuseMap32Bits = true; LOG.Write(" (with alpha channel)"); } bitmap.Free(); } bitmapFile.Close(); } } // Ok, copy properties layerInfo.texInfo.bLoop = false; layerInfo.texInfo.eTextureType = UtilGL::Texturing::CTexture::TEXTURE2D; bitmapInfo.strFile = m_bPreview ? bi.Name() : bi.Filename(); bitmapInfo.bTile = ((pMaxUVGen->GetTextureTiling() & (U_WRAP | V_WRAP)) == (U_WRAP | V_WRAP)) ? true : false; bitmapInfo.fSeconds = 0.0f; bitmapInfo.bForceFiltering = false; bitmapInfo.eFilter = UtilGL::Texturing::FILTER_TRILINEAR; // won't be used (forcefiltering = false) layerInfo.texInfo.m_vecBitmaps.push_back(bitmapInfo); layerInfo.eTexEnv = nMap == ID_RL ? CShaderStandard::TEXENV_ADD : CShaderStandard::TEXENV_MODULATE; layerInfo.eUVGen = pMaxUVGen->GetCoordMapping(0) == UVMAP_SPHERE_ENV ? CShaderStandard::UVGEN_ENVMAPPING : CShaderStandard::UVGEN_EXPLICITMAPPING; layerInfo.uMapChannel = pMaxUVGen->GetMapChannel(); layerInfo.v3ScrollSpeed = CVector3(0.0f, 0.0f, 0.0f); layerInfo.v3RotationSpeed = CVector3(0.0f, 0.0f, 0.0f); layerInfo.v3ScrollOffset = CVector3(pMaxUVGen->GetUOffs(0), pMaxUVGen->GetVOffs(0), 0.0f); layerInfo.v3RotationOffset = CVector3(pMaxUVGen->GetUAng(0), pMaxUVGen->GetVAng(0), pMaxUVGen->GetWAng(0)); } else if(pMaxTexmap->ClassID() == Class_ID(ACUBIC_CLASS_ID, 0)) { ACubic* pMaxCubic = (ACubic*)pMaxTexmap; IParamBlock2* pBlock = pMaxCubic->pblock; Interval validRange = m_pMaxInterface->GetAnimRange(); for(int nFace = 0; nFace < 6; nFace++) { int nMaxFace; switch(nFace) { case 0: nMaxFace = 3; break; case 1: nMaxFace = 2; break; case 2: nMaxFace = 1; break; case 3: nMaxFace = 0; break; case 4: nMaxFace = 5; break; case 5: nMaxFace = 4; break; } TCHAR *name; pBlock->GetValue(acubic_bitmap_names, TICKS_TO_SECONDS(m_fStartTime), name, validRange, nMaxFace); vecPaths.push_back(name); CStr path, file, ext; SplitFilename(CStr(name), &path, &file, &ext); std::string strFile = std::string(file.data()) + ext.data(); vecTextures.push_back(strFile); bitmapInfo.strFile = m_bPreview ? name : strFile; bitmapInfo.bTile = false; bitmapInfo.fSeconds = 0.0f; bitmapInfo.bForceFiltering = false; bitmapInfo.eFilter = UtilGL::Texturing::FILTER_TRILINEAR; layerInfo.texInfo.m_vecBitmaps.push_back(bitmapInfo); } layerInfo.texInfo.bLoop = false; layerInfo.texInfo.eTextureType = UtilGL::Texturing::CTexture::TEXTURECUBEMAP; layerInfo.eTexEnv = nMap == ID_RL ? CShaderStandard::TEXENV_ADD : CShaderStandard::TEXENV_MODULATE; layerInfo.eUVGen = CShaderStandard::UVGEN_ENVMAPPING; layerInfo.uMapChannel = 0; layerInfo.v3ScrollSpeed = CVector3(0.0f, 0.0f, 0.0f); layerInfo.v3RotationSpeed = CVector3(0.0f, 0.0f, 0.0f); layerInfo.v3ScrollOffset = CVector3(0.0f, 0.0f, 0.0f); layerInfo.v3RotationOffset = CVector3(0.0f, 0.0f, 0.0f); } else { if(i == 0) { LOG.Write("\n No diffuse. Skipping."); break; } continue; } if(!m_bPreview && m_bCopyTextures && m_strTexturePath != "") { for(int nTex = 0; nTex != vecTextures.size(); nTex++) { // Copy textures into the specified folder std::string strDestPath = m_strTexturePath; if(strDestPath[strDestPath.length() - 1] != '\\') { strDestPath.append("\\", 1); } strDestPath.append(vecTextures[nTex]); if(!CopyFile(vecPaths[nTex].data(), strDestPath.data(), FALSE)) { CLogger::NotifyWindow("Unable to copy %s to\n%s", vecPaths[i], strDestPath.data()); } } } if(layerInfo.eUVGen == CShaderStandard::UVGEN_ENVMAPPING && i == 1) { CLogger::NotifyWindow("%s : Bump with spheremapping not supported", pShaderStd->GetName().data()); } else { // Add layer switch(i) { case 0: pShaderStd->SetLayer(CShaderStandard::LAYER_DIFF, layerInfo); break; case 1: pShaderStd->SetLayer(CShaderStandard::LAYER_BUMP, layerInfo); break; case 2: pShaderStd->SetLayer(CShaderStandard::LAYER_MAP2, layerInfo); break; } } } // ¿Do we need blending? if(ARE_EQUAL(fAlpha, 1.0f) && !bDiffuseMap32Bits) { pShaderStd->SetBlendSrcFactor(UtilGL::States::BLEND_ONE); pShaderStd->SetBlendDstFactor(UtilGL::States::BLEND_ZERO); } else { pShaderStd->SetBlendSrcFactor(UtilGL::States::BLEND_SRCALPHA); pShaderStd->SetBlendDstFactor(UtilGL::States::BLEND_INVSRCALPHA); } // Add shader m_vecShaders.push_back(pShaderStd); } return true; }
//---------------------------------------------------------------------------------- // dump material textures void DumpTexture(m_material *pMat, IGameMaterial *pGMaxMat) { std::vector<tex_channel> bk_tex_channel; std::vector<unsigned int> bk_tex_idx; std::vector<MatTextureInfo> TexInfos; int texCount = pGMaxMat->GetNumberOfTextureMaps(); for (int i = 0; i < texCount; ++i) { IGameTextureMap * pGMaxTex = pGMaxMat->GetIGameTextureMap(i); int tex_type = pGMaxTex->GetStdMapSlot(); if (pGMaxTex->IsEntitySupported() && tex_type >= 0) //its a bitmap texture { MatTextureInfo TexInfo; tex_channel tc; TexInfo.mat_id = pMat->id; m_texture * pTex = new m_texture; std::string pathname = pGMaxTex->GetBitmapFileName(); int idx = (int)pathname.rfind('\\'); if (idx == INDEX_NONE){ idx = (int)pathname.rfind('/'); } std::string filename = pathname.substr(idx + 1, INDEX_NONE); pTex->name = filename; // set the texture xform... IGameUVGen *pUVGen = pGMaxTex->GetIGameUVGen(); GMatrix UVMat = pUVGen->GetUVTransform(); TexInfo.tex_mat = pTex->tex_mat = (scalar*)UVMat.GetAddr(); // save mapping matrix // get the uv channel to use... Texmap *pTMap = pGMaxTex->GetMaxTexmap(); BitmapTex *pBTex = (BitmapTex*)pTMap; StdUVGen *pStdUVGen = pBTex->GetUVGen(); if (pStdUVGen){ tc.channel = pStdUVGen->GetMapChannel() - 1; } IParamBlock2 *pUVWCropParam = (IParamBlock2*)(pBTex->GetReference(1)); if (pUVWCropParam) { pUVWCropParam->GetValue(0, ExporterMAX::GetExporter()->GetStaticFrame(), TexInfo.uv_offset.x, FOREVER); pUVWCropParam->GetValue(1, ExporterMAX::GetExporter()->GetStaticFrame(), TexInfo.uv_offset.y, FOREVER); pUVWCropParam->GetValue(2, ExporterMAX::GetExporter()->GetStaticFrame(), TexInfo.uv_scale.x, FOREVER); pUVWCropParam->GetValue(3, ExporterMAX::GetExporter()->GetStaticFrame(), TexInfo.uv_scale.y, FOREVER); } // set the type of texture... pTex->type = texture_type[tex_type]; // if we have a bump map, we create a normal map with the convention // that the filename will be the same name as the bump map + "_normal" // appended to it. if (pTex->type == m_texture::BUMP) { std::string normal_map = pTex->name; std::string::size_type pos = normal_map.rfind("."); normal_map.insert(pos, "_normal"); m_texture *pTexNormal = new m_texture; *pTexNormal = *pTex; pTexNormal->name = normal_map; pTexNormal->type = m_texture::NORMAL; tc.pTex = pTexNormal; bk_tex_channel.push_back(tc); // add the new texture to the local TOC TexInfos.push_back(TexInfo); } tc.pTex = pTex; bk_tex_channel.push_back(tc); // add the new texture to the local TOC TexInfos.push_back(TexInfo); } } // lets check if we don't have them already in our global TOC... for (size_t index = 0; index < bk_tex_channel.size(); ++index) { m_texture * pTex = bk_tex_channel[index].pTex; unsigned int idx = ExporterMAX::GetExporter()->FindTexture(pTex); if (idx == INDEX_NONE){ idx = ExporterMAX::GetExporter()->AddTexture(pTex); // add the new texture to the TOC } bk_tex_idx.push_back(idx); pMat->tex_channel.push_back(bk_tex_channel[index].channel); TexInfos[index].base_channel = bk_tex_channel[index].channel; bk_texs.insert(IdxBKTexMapPair(idx, TexInfos[index])); } // set the texture indices... for (size_t index = 0; index < bk_tex_idx.size(); ++index){ pMat->textures.push_back(bk_tex_idx[index]); } }