void HwShaderExporter::setTexture (
const PBBitmap * bitmap,
COLLADASW::Sampler& sampler
)
{
if ( !bitmap )
{
//:TODO: retrieve default values from fx file
return;
}
// Set the texture format.
//:TODO: read from BitmapInfo::Type ()
sampler.setFormat ( EffectTextureExporter::FORMAT );
// Get the necessary exporters.
EffectExporter* effectExporter = mDocumentExporter->getEffectExporter ();
EffectTextureExporter* textureExporter = effectExporter->getTextureExporter();
// The file name to connect to.
#ifdef UNICODE
String fileName = bitmap->bi.Name() ? COLLADASW::URI::nativePathToUri( COLLADABU::StringUtils::wideString2utf8String(bitmap->bi.Name()) ) : "";
#else
String fileName = bitmap->bi.Name() ? COLLADASW::URI::nativePathToUri( bitmap->bi.Name() ) : "";
#endif
// Export, if we have a file name.
if ( !fileName.empty () )
{
// Get the image path
COLLADASW::URI shaderFxFileUri = mEffectProfile->getIncludeURI();
// Take the filename for the unique image name
COLLADASW::URI sourceFileUri ( shaderFxFileUri, fileName );
if ( sourceFileUri.getScheme ().empty () )
sourceFileUri.setScheme ( COLLADASW::URI::SCHEME_FILE );
String maxImageId = /*DocumentExporter::mayaNameToColladaName*/ ( sourceFileUri.getPathFileBase().c_str () );
// Get the image id of the maya image
String colladaImageId = textureExporter->findColladaImageId ( maxImageId );
if ( colladaImageId.empty () )
{
colladaImageId = textureExporter->getImageIdList ().addId ( maxImageId );
textureExporter->getMaxIdColladaImageId () [maxImageId] = colladaImageId;
}
// Export the image
COLLADASW::Image* colladaImage = textureExporter->exportImage ( maxImageId, colladaImageId, sourceFileUri );
// Get the image id of the exported collada image
colladaImageId = colladaImage->getImageId();
// Set the image reference
sampler.setImageId ( colladaImageId );
}
}
//---------------------------------------------------------------
String EffectTextureExporter::exportImage ( const MObject &texture )
{
// Retrieve the texture filename
MFnDependencyNode textureNode ( texture );
MString mayaName = textureNode.name();
MPlug filenamePlug = textureNode.findPlug ( ATTR_FILE_TEXTURE_NAME );
// Get the maya image id.
String mayaImageId = DocumentExporter::mayaNameToColladaName ( textureNode.name() );
// Generate a COLLADA id for the new light object
String colladaImageId;
// Check if there is an extra attribute "colladaId" and use this as export id.
MString attributeValue;
DagHelper::getPlugValue ( texture, COLLADA_ID_ATTRIBUTE_NAME, attributeValue );
if ( attributeValue != EMPTY_CSTRING )
{
// Generate a valid collada name, if necessary.
colladaImageId = mDocumentExporter->mayaNameToColladaName ( attributeValue, false );
}
else
{
// Generate a COLLADA id for the new light object
colladaImageId = DocumentExporter::mayaNameToColladaName ( textureNode.name() );
}
// Make the id unique and store it in a map for refernences.
colladaImageId = mImageIdList.addId ( colladaImageId );
mMayaIdColladaImageId [mayaImageId] = colladaImageId;
// Get the maya filename with the path to the file.
MString mayaFileName;
filenamePlug.getValue ( mayaFileName );
if ( mayaFileName.length () == 0 ) return NULL;
String sourceFile = mayaFileName.asChar ();
COLLADASW::URI sourceFileUri ( COLLADASW::URI::nativePathToUri ( sourceFile ) );
if ( sourceFileUri.getScheme ().empty () )
sourceFileUri.setScheme ( COLLADASW::URI::SCHEME_FILE );
COLLADASW::Image* colladaImage = exportImage ( mayaImageId, colladaImageId, sourceFileUri );
if ( colladaImage == NULL ) return NULL;
// Export the node type, because PSD textures don't behave the same as File textures.
String nodeType = texture.hasFn ( MFn::kPsdFileTexture ) ? MAYA_TEXTURE_PSDTEXTURE : MAYA_TEXTURE_FILETEXTURE;
colladaImage->addExtraTechniqueParameter ( PROFILE_MAYA, MAYA_TEXTURE_NODETYPE, nodeType );
// Export whether this image is in fact an image sequence
MPlug imgSeqPlug = textureNode.findPlug ( ATTR_IMAGE_SEQUENCE );
bool isImgSeq = false;
imgSeqPlug.getValue ( isImgSeq );
colladaImage->addExtraTechniqueParameter ( PROFILE_MAYA, MAYA_TEXTURE_IMAGE_SEQUENCE, isImgSeq );
return colladaImage->getImageId();
}
// ------------------------------------------------------------
COLLADASW::URI EffectTextureExporter::createTargetURI ( const COLLADASW::URI& sourceUri )
{
// Target file
String targetFile = mDocumentExporter->getFilename();
COLLADASW::URI targetUri ( COLLADASW::URI::nativePathToUri ( targetFile ) );
const String& targetScheme = targetUri.getScheme ();
// Get the pure file name of the source file and set
// the source file name to the target path
targetUri.setPathFile ( sourceUri.getPathFile () );
if ( !targetScheme.empty () )
targetUri.setScheme ( targetScheme );
else
targetUri.setScheme ( COLLADASW::URI::SCHEME_FILE );
// Generate the target file name
return targetUri;
}
//---------------------------------------------------------------
void DocumentExporter::exportAsset()
{
COLLADASW::Asset asset ( &mStreamWriter );
// Add contributor information
// Set the author
String userName = getEnvironmentVariable ( "USERNAME" );
if ( userName.empty() )
userName = getEnvironmentVariable ( "USER" );
if ( !userName.empty() )
asset.getContributor().mAuthor = String ( userName );
const COLLADASW::URI maxFileUri = mExportSceneGraph->getMaxFileUri();
if ( !maxFileUri.getPathFile().empty() )
asset.getContributor().mSourceData = maxFileUri.getURIString();
asset.getContributor().mAuthoringTool = AUTHORING_TOOL;
// set *system* unit information
int systemUnitType;
float systemUnitScale;
GetMasterUnitInfo ( &systemUnitType, &systemUnitScale );
switch ( systemUnitType )
{
case UNITS_INCHES:
asset.setUnit ( "inch", systemUnitScale * 0.0254f );
break;
case UNITS_FEET:
asset.setUnit ( "feet", systemUnitScale * 0.3048f );
break;
case UNITS_MILES:
asset.setUnit ( "mile", systemUnitScale * 1609.344f );
break;
case UNITS_MILLIMETERS:
asset.setUnit ( "millimeter", systemUnitScale * 0.001f );
break;
case UNITS_CENTIMETERS:
asset.setUnit ( "centimeter", systemUnitScale * 0.01f );
break;
case UNITS_METERS:
asset.setUnit ( "meter", systemUnitScale );
break;
case UNITS_KILOMETERS:
asset.setUnit ( "kilometer", systemUnitScale * 1000.0f );
break;
default:
break;
}
asset.setUpAxisType ( COLLADASW::Asset::Z_UP );
asset.add();
}
// ------------------------------------------------------------
bool EffectTextureExporter::getTextureFileInfos (
const COLLADASW::URI &sourceUri,
COLLADASW::URI &fullFileNameURI )
{
bool returnValue = true;
// Check if the file exist!
String sourceUriString = sourceUri.toNativePath();
if ( ExportOptions::relativePaths() )
{
// Different filename and URI, if we copy the textures to the destination directory!
if ( ExportOptions::copyTextures() )
{
// Get the URI of the COLLADA file.
String targetColladaFile = mDocumentExporter->getFilename();
COLLADASW::URI targetColladaUri ( COLLADASW::URI::nativePathToUri ( targetColladaFile ) );
if ( targetColladaUri.getScheme ().empty () )
targetColladaUri.setScheme ( COLLADASW::URI::SCHEME_FILE );
// Get the URI of the copied texture file.
COLLADASW::URI textureUri = createTargetURI ( sourceUri );
// Get the texture URI relative to the COLLADA file URI.
bool success = false;
COLLADASW::URI targetUri = textureUri.getRelativeTo ( targetColladaUri, success );
if ( !success )
{
String message = "Not able to generate a relative path from "
+ textureUri.getURIString() + " to " + targetColladaUri.getURIString()
+ ". An absolute path will be written! ";
MGlobal::displayError ( message.c_str() );
targetUri = textureUri;
returnValue = false;
}
// Get the file URI
fullFileNameURI = targetUri;
}
else
{
// Get the URI of the COLLADA file.
String targetColladaFile = mDocumentExporter->getFilename();
COLLADASW::URI targetColladaUri ( COLLADASW::URI::nativePathToUri ( targetColladaFile ) );
if ( targetColladaUri.getScheme ().empty () )
targetColladaUri.setScheme ( COLLADASW::URI::SCHEME_FILE );
// Get the texture URI relative to the COLLADA file URI.
bool success = false;
COLLADASW::URI targetUri = sourceUri.getRelativeTo ( targetColladaUri, success );
if ( !success )
{
String message = "Not able to generate a relative path from "
+ sourceUri.getURIString() + " to " + targetColladaUri.getURIString()
+ ". An absolute path will be written! ";
MGlobal::displayError ( message.c_str() );
targetUri = sourceUri;
returnValue = false;
}
// Get the file URI
fullFileNameURI = targetUri;
}
}
else
{
// Different filename and URI, if we copy the textures to the destination directory!
if ( ExportOptions::copyTextures() )
{
// Get the texture URI relative to the COLLADA file URI.
COLLADASW::URI targetUri = createTargetURI ( sourceUri );
// Get the file URI
fullFileNameURI = targetUri;
}
else
{
// Get the file URI
fullFileNameURI = sourceUri;
}
}
return returnValue;
}
// -------------------------------
COLLADASW::Image* EffectTextureExporter::exportImage (
const String& mayaImageId,
const String& colladaImageId,
const COLLADASW::URI& sourceUri )
{
// Get the file name and the URI
COLLADASW::URI fullFileNameURI;
bool sourceFileExist = getTextureFileInfos ( sourceUri, fullFileNameURI );
String fullFileName = fullFileNameURI.toNativePath ();
// Have we seen this texture node before?
ImageMap::iterator exportedImagesIter = mExportedImageMap.find ( fullFileName );
if ( exportedImagesIter != mExportedImageMap.end() )
{
COLLADASW::Image* colladaImage = ( *exportedImagesIter ).second;
return colladaImage;
}
// Check, if we should copy the texture to the destination folder.
if ( ExportOptions::copyTextures() )
{
// Get the target file from source file.
COLLADASW::URI targetUri = createTargetURI ( sourceUri );
if ( !exists ( sourceUri.toNativePath() ) )
{
String message = "The source texture file doesn't exist! Filename = " + sourceUri.toNativePath();
std::cerr << message << std::endl;
}
else
{
// Copy the texture, if it isn't already there...
if ( !exists( targetUri.toNativePath () ) )
{
try
{
// Create the target directory, if necessary.
// Note: some systems (window$) requires the string to be
// enclosed in quotes when a space is present.
COLLADASW::URI targetPathUri ( targetUri.getPathDir() );
create_directory ( targetPathUri.toNativePath() );
// Throws: basic_filesystem_error<Path> if
// from_fp.empty() || to_fp.empty() ||!exists(from_fp) || !is_regular(from_fp) || exists(to_fp)
copy_file ( path ( sourceUri.toNativePath() ), path ( targetUri.toNativePath() ) );
}
catch ( std::exception ex )
{
String message = "Could not successful create directory and copy file: " + sourceUri.toNativePath();
MGlobal::displayError( message.c_str() );
std::cerr << "[ERROR] Could not copy file " << sourceUri.toNativePath() << std::endl;
}
}
}
}
// Create a new image structure
COLLADASW::Image* colladaImage = new COLLADASW::Image ( fullFileNameURI, colladaImageId, mayaImageId );
// Export the original maya name.
colladaImage->addExtraTechniqueParameter ( PROFILE_MAYA, PARAMETER_MAYA_ID, mayaImageId );
// Add this texture to our list of exported images
mExportedImageMap[ fullFileName ] = colladaImage;
return colladaImage;
}
//---------------------------------------------------------------
void DocumentExporter::exportAsset()
{
COLLADASW::Asset asset(&mStreamWriter);
// Add contributor information
// Set the author
char* userName = getenv ( USERNAME );
if ( !userName || *userName == 0 )
{
userName = getenv ( USER );
}
if ( userName && *userName != 0 )
{
asset.getContributor().mAuthor = NativeString( userName ).toUtf8String();
}
// Source is the scene we have exported from
String currentScene = MFileIO::currentFile().asChar();
if ( currentScene.size() > 0 )
{
COLLADASW::URI sourceFileUri ( COLLADASW::URI::nativePathToUri ( currentScene ) );
if ( sourceFileUri.getScheme ().empty () )
sourceFileUri.setScheme ( COLLADASW::URI::SCHEME_FILE );
asset.getContributor().mSourceData = sourceFileUri.getURIString();
}
std::size_t foundLast = COLLADABU::CURRENT_REVISION.find_last_of(".");
std::size_t foundFirst = COLLADABU::CURRENT_REVISION.find_first_of(".");
String versionMajor = COLLADABU::CURRENT_REVISION.substr(0, foundFirst);
String versionMinor = COLLADABU::CURRENT_REVISION.substr(foundFirst + 1, foundLast - foundFirst -1 );
asset.getContributor().mAuthoringTool = AUTHORING_TOOL_NAME + MGlobal::mayaVersion().asChar() +
(COLLADABU::CURRENT_REVISION.empty() ? "" : String("; ") + String("Version: ") + versionMajor + "." + versionMinor) +
(COLLADABU::CURRENT_REVISION.empty() ? "" : String("; ") + String("Revision: ") + COLLADABU::CURRENT_REVISION.substr(foundLast + 1));
// comments
MString optstr = MString("\n\t\t\tColladaMaya export options: ")
+ "\n\t\t\tbakeTransforms=" + ExportOptions::bakeTransforms()
+ ";relativePaths=" + ExportOptions::relativePaths()
+ ";preserveSourceTree=" + ExportOptions::preserveSourceTree()
+ ";copyTextures=" + ExportOptions::copyTextures()
+ ";exportTriangles=" + ExportOptions::exportTriangles()
+ ";exportCgfxFileReferences=" + ExportOptions::exportCgfxFileReferences()
+ ";\n\t\t\tisSampling=" + ExportOptions::isSampling()
+ ";curveConstrainSampling=" + ExportOptions::curveConstrainSampling()
+ ";removeStaticCurves=" + ExportOptions::removeStaticCurves()
+ ";exportPhysics=" + ExportOptions::exportPhysics()
+ ";exportConvexMeshGeometries=" + ExportOptions::exportConvexMeshGeometries()
+ ";exportPolygonMeshes=" + ExportOptions::exportPolygonMeshes()
+ ";exportLights=" + ExportOptions::exportLights()
+ ";\n\t\t\texportCameras=" + ExportOptions::exportCameras()
+ ";exportAnimationsOnly=" + ExportOptions::exportAnimationsOnly()
+ ";exportSeparateFile=" + ExportOptions::exportSeparateFile()
+ ";modelNameDAE=" + ExportOptions::getDAEmodelName()
+ ";exportJoints=" + ExportOptions::exportJoints()
+ ";exportSkin=" + ExportOptions::exportSkin()
+ ";exportAnimations=" + ExportOptions::exportAnimations()
+ ";exportOptimizedBezierAnimation=" + ExportOptions::exportOptimizedBezierAnimations()
+ ";exportInvisibleNodes=" + ExportOptions::exportInvisibleNodes()
+ ";exportDefaultCameras=" + ExportOptions::exportDefaultCameras()
+ ";\n\t\t\texportTexCoords=" + ExportOptions::exportTexCoords()
+ ";exportNormals=" + ExportOptions::exportNormals()
+ ";exportNormalsPerVertex=" + ExportOptions::exportNormalsPerVertex()
+ ";exportVertexColors=" + ExportOptions::exportVertexColors()
+ ";exportVertexColorsPerVertex=" + ExportOptions::exportVertexColorsPerVertex()
+ ";\n\t\t\texportTexTangents=" + ExportOptions::exportTexTangents()
+ ";exportTangents=" + ExportOptions::exportTangents()
+ ";exportReferencedMaterials=" + ExportOptions::exportReferencedMaterials()
+ ";exportMaterialsOnly=" + ExportOptions::exportMaterialsOnly()
+ ";\n\t\t\texportXRefs=" + ExportOptions::exportXRefs()
+ ";dereferenceXRefs=" + ExportOptions::dereferenceXRefs()
+ ";exportCameraAsLookat=" + ExportOptions::exportCameraAsLookat()
+ ";cameraXFov=" + ExportOptions::cameraXFov()
+ ";cameraYFov=" + ExportOptions::cameraYFov()
+ ";doublePrecision=" + ExportOptions::doublePrecision () + "\n\t\t";
asset.getContributor().mComments = optstr.asChar();
// Up axis
if ( MGlobal::isYAxisUp() )
asset.setUpAxisType ( COLLADASW::Asset::Y_UP );
else if ( MGlobal::isZAxisUp() )
asset.setUpAxisType ( COLLADASW::Asset::Z_UP );
// Retrieve the linear unit name
MString mayaLinearUnitName;
MGlobal::executeCommand ( "currentUnit -q -linear -fullName;", mayaLinearUnitName );
String linearUnitName = mayaLinearUnitName.asChar();
// Get the UI unit type (internal units are centimeter, collada want
// a number relative to meters).
// All transform components with units will be in maya's internal units
// (radians for rotations and centimeters for translations).
MDistance testDistance ( 1.0f, MDistance::uiUnit() );
// Get the conversion factor relative to meters for the collada document.
// For example, 1.0 for the name "meter"; 1000 for the name "kilometer";
// 0.3048 for the name "foot".
double colladaConversionFactor = ( float ) testDistance.as ( MDistance::kMeters );
float colladaUnitFactor = float ( 1.0 / colladaConversionFactor );
asset.setUnit ( linearUnitName, colladaConversionFactor );
// Asset heraus schreiben
asset.add();
}
//---------------------------------------
void MaterialExporter::setSetParamTexture (
const cgfxAttrDef* attribute,
MObject texture,
COLLADASW::Sampler::SamplerType samplerType,
COLLADASW::ValueType::ColladaType samplerValueType )
{
// Get a pointer to the current stream writer.
COLLADASW::StreamWriter* streamWriter = mDocumentExporter->getStreamWriter();
// Get the image id
MFnDependencyNode textureNode ( texture );
String plugName = textureNode.name().asChar(); // file1
// Get the file texture name
MPlug filenamePlug = textureNode.findPlug ( ATTR_FILE_TEXTURE_NAME );
MString mayaFileName;
filenamePlug.getValue ( mayaFileName );
if ( mayaFileName.length() == 0 ) return;
String fileName = mayaFileName.asChar ();
// Get the image path
COLLADASW::URI shaderFxFileUri = getShaderFxFileUri ();
// Take the filename for the unique image name
COLLADASW::URI sourceFileUri ( shaderFxFileUri, fileName );
if ( sourceFileUri.getScheme ().empty () )
sourceFileUri.setScheme ( COLLADASW::URI::SCHEME_FILE );
String mayaImageId = DocumentExporter::mayaNameToColladaName ( sourceFileUri.getPathFileBase().c_str () );
// Get the image id of the maya image
EffectExporter* effectExporter = mDocumentExporter->getEffectExporter ();
String colladaImageId = effectExporter->findColladaImageId ( mayaImageId );
if ( colladaImageId.empty () )
{
// Check if there is an extra attribute "colladaId" and use this as export id.
MString attributeValue;
DagHelper::getPlugValue ( texture, COLLADA_ID_ATTRIBUTE_NAME, attributeValue );
if ( attributeValue != EMPTY_CSTRING )
{
// Generate a valid collada name, if necessary.
colladaImageId = mDocumentExporter->mayaNameToColladaName ( attributeValue, false );
}
else
{
// Generate a COLLADA id for the new light object
colladaImageId = DocumentExporter::mayaNameToColladaName ( textureNode.name() );
}
// Make the id unique and store it in a map for refernences.
EffectTextureExporter* textureExporter = effectExporter->getTextureExporter ();
colladaImageId = textureExporter->getImageIdList ().addId ( colladaImageId );
textureExporter->getMayaIdColladaImageId () [mayaImageId] = colladaImageId;
}
// Export the image
EffectTextureExporter* textureExporter = mDocumentExporter->getEffectExporter()->getTextureExporter();
COLLADASW::Image* colladaImage = textureExporter->exportImage ( mayaImageId, colladaImageId, sourceFileUri );
mayaImageId = colladaImage->getImageId();
// Create the sampler and surface sid
String samplerSid = mayaImageId + COLLADASW::Sampler::SAMPLER_SID_SUFFIX;
String surfaceSid = mayaImageId + COLLADASW::Sampler::SURFACE_SID_SUFFIX;
// Avoid export of dublicate sampler params
if ( mSamplers.find ( samplerSid ) != mSamplers.end () ) return;
mSamplers.insert ( samplerSid );
// Create the sampler and add the sampler <setparam>
COLLADASW::Sampler sampler ( samplerType, samplerSid, surfaceSid );
sampler.setFormat ( EffectTextureExporter::FORMAT );
sampler.setImageId ( colladaImage->getImageId() );
sampler.addInSetParam ( streamWriter );
}
// -------------------------------
COLLADASW::Image* EffectTextureExporter::exportImage (
const String& mayaImageId,
const String& colladaImageId,
const COLLADASW::URI& sourceUri )
{
// Get the file name and the URI
COLLADASW::URI fullFileNameURI;
bool sourceFileExist = getTextureFileInfos ( sourceUri, fullFileNameURI );
String fullFileName = fullFileNameURI.toNativePath ();
// Have we seen this texture node before?
ImageMap::iterator exportedImagesIter = mExportedImageMap.find ( fullFileName );
if ( exportedImagesIter != mExportedImageMap.end() )
{
COLLADASW::Image* colladaImage = ( *exportedImagesIter ).second;
return colladaImage;
}
// Check, if we should copy the texture to the destination folder.
if ( mDocumentExporter->getOptions().getCopyImages() )
{
// Get the target file from source file.
COLLADASW::URI targetUri = createTargetURI ( sourceUri );
bool exists = COLLADABU::Utils::fileExistsAndIsReadable( sourceUri.toNativePath() );
if ( !exists )
{
String message = "The source texture file doesn't exist! Filename = " + sourceUri.toNativePath();
GetCOREInterface()->Log()->LogEntry( SYSLOG_ERROR, DISPLAY_DIALOG, _M( "Image export problem" ),_M( "%s\n" ), message.c_str() );
}
else
{
// Copy the texture, if it isn't already there...
exists = COLLADABU::Utils::fileExistsAndIsReadable( targetUri.toNativePath() );
if ( !exists )
{
try
{
// Create the target directory, if necessary.
// Note: some systems (window$) requires the string to be
// enclosed in quotes when a space is present.
COLLADASW::URI targetPathUri ( targetUri.getPathDir() );
exists = COLLADABU::Utils::createDirectoryIfNeeded( targetPathUri.toNativePath() );
if( exists )
{
// Throws: basic_filesystem_error<Path> if
// from_fp.empty() || to_fp.empty() ||!exists(from_fp) || !is_regular(from_fp) || exists(to_fp)
exists = COLLADABU::Utils::copyFile ( sourceUri.toNativePath(), targetUri.toNativePath() );
}
}
catch ( std::exception ex )
{
exists = false;
}
if( !exists )
{
String message = "Could not successful create directory and copy file: " + sourceUri.toNativePath();
GetCOREInterface()->Log()->LogEntry( SYSLOG_ERROR, DISPLAY_DIALOG, _M( "Image export problem" ),_M( "%s\nCould not copy file %s\n" ), message.c_str(), sourceUri.toNativePath().c_str() );
}
}
}
}
// Create a new image structure
COLLADASW::Image* colladaImage = new COLLADASW::Image ( fullFileNameURI, colladaImageId, mayaImageId );
// Export the original maya name.
// colladaImage->addExtraTechniqueParameter ( PROFILE_MAYA, PARAMETER_MAYA_ID, mayaImageId );
// Add this texture to our list of exported images
mExportedImageMap[ fullFileName ] = colladaImage;
return colladaImage;
}