control animation export

schema/scene.xsd

@@ -98,20 +98,12 @@
 
 	<!-- LUMINAIRE Element -->
 	<xsd:complexType name="luminaire">
-		<xsd:complexContent>
-			<xsd:extension base="object">
-				<xsd:choice minOccurs="0" maxOccurs="unbounded">
-					<xsd:element name="texture" type="texture"/>
-					<xsd:element name="luminaire" type="luminaire"/>
-				</xsd:choice>
-			</xsd:extension>
-		</xsd:complexContent>
 		<xsd:complexContent>
 			<xsd:extension base="objectBase">
 				<xsd:choice minOccurs="0" maxOccurs="unbounded">
 					<xsd:group ref="objectGroup"/>
-					<xsd:element name="integrator" type="integrator"/>
-					<xsd:element name="sampler" type="object"/>
+					<xsd:element name="texture" type="texture"/>
+					<xsd:element name="luminaire" type="luminaire"/>
 				</xsd:choice>
 			</xsd:extension>
 		</xsd:complexContent>

src/converter/collada.cpp

@@ -1621,20 +1621,22 @@ void GeometryConverter::convertCollada(const fs::path &inputFile,
 		}
 	}
 	
-	domLibrary_animations_Array &libraryAnimations = document->getLibrary_animations_array();
-	for (size_t i=0; i<libraryAnimations.getCount(); ++i) {
-		domAnimation_Array &animations = libraryAnimations[i]->getAnimation_array();
-		for (size_t j=0; j<animations.getCount(); ++j) 
-			loadAnimation(ctx, *animations[j]);
+	if (m_importAnimations) {
+		domLibrary_animations_Array &libraryAnimations = document->getLibrary_animations_array();
+		for (size_t i=0; i<libraryAnimations.getCount(); ++i) {
+			domAnimation_Array &animations = libraryAnimations[i]->getAnimation_array();
+			for (size_t j=0; j<animations.getCount(); ++j) 
+				loadAnimation(ctx, *animations[j]);
+		}
+		mergeRotations(ctx);
 	}
-	mergeRotations(ctx);
 
 	for (size_t i=0; i<nodes.getCount(); ++i) 
 		computeRefCounts(ctx, *nodes[i]);
 
 	for (size_t i=0; i<nodes.getCount(); ++i) 
 		loadNode(ctx, Transform(), *nodes[i], "");
-	
+
 	for (AnimationMap::iterator it = ctx.animations.begin();
 		it != ctx.animations.end(); ++it)
 		it->second->decRef();

src/converter/converter.cpp

@@ -195,9 +195,11 @@ void GeometryConverter::convert(const fs::path &inputFile,
 				if (id != "" && nodeMap.find(id) != nodeMap.end()) {
 					DOMNode *node = nodeMap[id], *parent = node->getParentNode();
 					if (strcmp(nodeName, "append") == 0) {
-						DOMNode *node = nodeMap[id];
 						for (DOMNode *child2 = child->getFirstChild(); child2 != 0; child2=child2->getNextSibling()) 
 							node->insertBefore(doc->importNode(child2, true), NULL);
+					} else if (strcmp(nodeName, "prepend") == 0) {
+						for (DOMNode *child2 = child->getFirstChild(); child2 != 0; child2=child2->getNextSibling()) 
+							node->insertBefore(doc->importNode(child2, true), node->getFirstChild());
 					} else if (parent == insertBeforeNode->getParentNode()) {
 						parent->removeChild(node);
 						docRoot->insertBefore(doc->importNode(child, true), insertBeforeNode);
@@ -212,10 +214,13 @@ void GeometryConverter::convert(const fs::path &inputFile,
 		}
 
 		DOMLSSerializer *serializer = impl->createLSSerializer();
-		DOMConfiguration *serConf(serializer->getDomConfig());
-		DOMLSOutput *output = impl->createLSOutput();
+		DOMConfiguration *serConf = serializer->getDomConfig();
 		serConf->setParameter(XMLUni::fgDOMErrorHandler, &errorHandler);
-		serConf->setParameter(XMLUni::fgDOMWRTFormatPrettyPrint, true);
+		if (serConf->canSetParameter(XMLUni::fgDOMWRTFormatPrettyPrint, true)) 
+			serConf->setParameter(XMLUni::fgDOMWRTFormatPrettyPrint, true);
+		if (serConf->canSetParameter(XMLUni::fgDOMWRTXercesPrettyPrint, true)) 
+			serConf->setParameter(XMLUni::fgDOMWRTXercesPrettyPrint, true);
+		DOMLSOutput *output = impl->createLSOutput();
 		XMLFormatTarget *target = new LocalFileFormatTarget(outputFile.file_string().c_str());
 		output->setByteStream(target);
 		serializer->write(doc, output);

src/converter/converter.h

@@ -28,6 +28,8 @@ public:
 		m_xres = m_yres = -1;
 		m_filmType = "exrfilm";
 		m_packGeometry = true;
+		m_importMaterials = true;
+		m_importAnimations = false;
 	}
 
 	void convert(const fs::path &inputFile, 
@@ -42,6 +44,7 @@ public:
 	inline void setResolution(int xres, int yres) { m_xres = xres; m_yres = yres; }
 	inline void setPackGeometry(bool packGeometry) { m_packGeometry = packGeometry; }
 	inline void setImportMaterials(bool importMaterials) { m_importMaterials = importMaterials; }
+	inline void setImportAnimations(bool importAnimations) { m_importAnimations = importAnimations; }
 	inline void setFilmType(const std::string &filmType) { m_filmType = filmType; }
 	inline const fs::path &getFilename() const { return m_filename; }
 private:
@@ -52,7 +55,8 @@ private:
 		const fs::path &textureDirectory,
 		const fs::path &meshesDirectory);
 public:
-	bool m_srgb, m_mapSmallerSide, m_importMaterials;
+	bool m_srgb, m_mapSmallerSide;
+	bool m_importMaterials, m_importAnimations;
 	int m_xres, m_yres;
 	fs::path m_filename, m_outputDirectory;
 	std::string m_filmType;

src/converter/mtsimport.cpp

@@ -56,6 +56,7 @@ void help() {
 		<<  "   -v          Be more verbose" << endl << endl
 		<<  "   -s          Assume that colors are in sRGB space." << endl << endl
 		<<  "   -m          Map the larger image side to the full field of view" << endl << endl
+		<<  "   -z          Import animations" << endl << endl
 		<<  "   -y          Don't pack all geometry data into a single file" << endl << endl
 		<<  "   -n          Don't import any materials (an adjustments file will be necessary)" << endl << endl
 		<<  "   -l <type>   Override the type of film (e.g. 'exrfilm', 'pngfilm', ..)" << endl << endl
@@ -70,12 +71,12 @@ int colladaMain(int argc, char **argv) {
 	std::string filmType = "exrfilm";
 	FileResolver *fileResolver = Thread::getThread()->getFileResolver();
 	ELogLevel logLevel = EInfo;
-	bool packGeometry = true;
-	bool importMaterials = true;
+	bool packGeometry = true, importMaterials = true,
+		 importAnimations = false;
 
 	optind = 1;
 
-	while ((optchar = getopt(argc, argv, "snvyhmr:a:l:")) != -1) {
+	while ((optchar = getopt(argc, argv, "snzvyhmr:a:l:")) != -1) {
 		switch (optchar) {
 			case 'a': {
 					std::vector<std::string> paths = tokenize(optarg, ";");
@@ -92,6 +93,9 @@ int colladaMain(int argc, char **argv) {
 			case 'n':
 				importMaterials = false;
 				break;
+			case 'z':
+				importAnimations = true;
+				break;
 			case 'v':
 				logLevel = EDebug;
 				break;
@@ -132,6 +136,7 @@ int colladaMain(int argc, char **argv) {
 	converter.setSRGB(srgb);
 	converter.setResolution(xres, yres);
 	converter.setImportMaterials(importMaterials);
+	converter.setImportAnimations(importAnimations);
 	converter.setMapSmallerSide(mapSmallerSide);
 	converter.setPackGeometry(packGeometry);
 	converter.setFilmType(filmType);

tools/blender/mitsuba/export/adjustments.py

@@ -215,6 +215,17 @@ class MtsAdjustments:
 		self.out.write('\t\t</shape>\n')
 		self.out.write('\n')
 
+	def exportCameraSettings(self, scene, camera):
+		if scene.mitsuba_integrator.motionblur:
+			frameTime = 1.0/scene.render.fps
+			shuttertime = scene.mitsuba_integrator.shuttertime
+			shutterOpen = (scene.frame_current - shuttertime/2) * frameTime
+			shutterClose = (scene.frame_current + shuttertime/2) * frameTime
+			self.out.write('\t<prepend id="%s-camera">\n' % translate_id(camera.name))
+			self.out.write('\t\t<float name="shutterOpen" value="%f"/>\n' % shutterOpen)
+			self.out.write('\t\t<float name="shutterClose" value="%f"/>\n' % shutterClose)
+			self.out.write('\t</prepend>\n')
+
 	def export(self, scene):
 		idx = 0
 		self.writeHeader()
@@ -228,6 +239,8 @@ class MtsAdjustments:
 					self.exportMaterial(mat)
 				if len(obj.data.materials) > 0 and obj.data.materials[0].mitsuba_emission.use_emission:
 					self.exportEmission(obj)
+			elif obj.type == 'CAMERA':
+				self.exportCameraSettings(scene, obj)
 			idx = idx+1
 		self.writeFooter()
 

tools/blender/mitsuba/operators/__init__.py

@@ -184,9 +184,11 @@ class EXPORT_OT_mitsuba(bpy.types.Operator):
 
 			MtsLog("MtsBlend: Launching mtsimport")
 			try:
-				process = subprocess.Popen(
-					[mtsimport_binary, '-r', '%dx%d' % (width, height),
-						'-n', '-l', 'pngfilm', mts_dae_file, mts_xml_file, mts_adj_file],
+				command = [mtsimport_binary, '-r', '%dx%d' % (width, height),
+						'-n', '-l', 'pngfilm', mts_dae_file, mts_xml_file, mts_adj_file]
+				if scene.mitsuba_integrator.motionblur:
+					command += ['-z']
+				process = subprocess.Popen(command,
 					env = env,
 					cwd = mts_path
 				)

tools/blender/mitsuba/properties/integrator.py

@@ -28,8 +28,13 @@ class mitsuba_integrator(declarative_property_group):
 
 	controls = [
 		'type',
-		'sampleCount'
+		['motionblur',
+		'shuttertime']
 	]
+	
+	visibility = {
+		'shuttertime':		{ 'motionblur': True }
+	}
 
 	properties = [
 		{
@@ -43,6 +48,24 @@ class mitsuba_integrator(declarative_property_group):
 				('path', 'Path tracer', 'path'),
 			],
 			'save_in_preset': True
+		},
+		{
+			'type': 'bool',
+			'attr': 'motionblur',
+			'name': 'Motion Blur',
+			'description': 'Should motion blur be enabled?',
+			'default' : False,
+			'save_in_preset': True
+		},
+		{
+			'type': 'float',
+			'attr': 'shuttertime',
+			'name': 'Shutter time',
+			'description': 'Amount of time, for which the shutter remains open (measured in frames)',
+			'save_in_preset': True,
+			'min': 0,
+			'max': 100,
+			'default': 1
 		}
 	]
 

tools/blender/mitsuba/ui/materials/__init__.py

@@ -16,7 +16,7 @@
 #
 # ##### END GPL LICENSE BLOCK #####
 
-import bpy, copy
+import bpy 
 from properties_material import MaterialButtonsPanel
 
 from extensions_framework.ui import property_group_renderer
@@ -27,13 +27,20 @@ material_cache = {}
 cached_spp = None
 cached_depth = None
 
+def copy(value):
+	if value == None or isinstance(value, str) or isinstance(value, bool) \
+		or isinstance(value, float) or isinstance(value, int):
+		return value
+	elif getattr(value, '__len__', False):
+		return list(value)
+	else:
+		raise Exception("Copy: don't know how to handle '%s'" % str(vlaue))
+
 class mitsuba_material_base(MaterialButtonsPanel, property_group_renderer):
 	COMPAT_ENGINES	= {'mitsuba'}
 	MTS_PROPS	   = ['type']
 
-	def draw(self, context):
-		if not hasattr(context, 'material'):
-			return
+	def validate(self, context):
 		global material_cache
 		mat = context.material
 		if mat.name in material_cache:
@@ -45,15 +52,20 @@ class mitsuba_material_base(MaterialButtonsPanel, property_group_renderer):
 		mat = self.get_contents(mat)
 		repaint = False
 		for prop in self.MTS_PROPS:
-			prop_value = getattr(mat, prop)
+			prop_value = copy(getattr(mat, prop))
 			prop_cache_value = mat_cached[prop] if prop in mat_cached else None
 			if prop_cache_value != prop_value:
-				mat_cached[prop] = copy.copy(prop_value)
+				mat_cached[prop] = prop_value
 				repaint = True
 		if repaint:
 			# Cause a repaint
 			MtsLog("Forcing a repaint")
 			context.material.preview_render_type = context.material.preview_render_type 
+
+	def draw(self, context):
+		if not hasattr(context, 'material'):
+			return
+		self.validate(context)
 		return super().draw(context)
 
 	def get_contents(self, mat):
@@ -93,10 +105,10 @@ class mitsuba_material_sub(MaterialButtonsPanel, property_group_renderer):
 		repaint = False
 		for prop_entry in props:
 			prop = prop_entry['attr']
-			prop_value = getattr(mat, prop) if hasattr(mat, prop) else None
+			prop_value = copy(getattr(mat, prop) if hasattr(mat, prop) else None)
 			prop_cache_value = mat_cached[prop] if prop in mat_cached else None
-			if prop_cache_value != prop_value:
-				mat_cached[prop] = copy.copy(prop_value)
+			if prop_cache_value != copy(prop_value):
+				mat_cached[prop] = prop_value
 				repaint = True
 		if repaint:
 			# Cause a repaint

tools/blender/mitsuba/ui/materials/emission.py

@@ -41,3 +41,4 @@ class emission(mitsuba_material_base, bpy.types.Panel):
 		if hasattr(context, "material"):
 			mat = active_node_mat(context.material)
 			self.layout.prop(mat.mitsuba_emission, "use_emission", text="")
+			self.validate(context)