From 921b2b773b612068504212954771023b5583e7f1 Mon Sep 17 00:00:00 2001
From: granzuglia <guido.ranzuglia@isti.cnr.it>
Date: Fri, 22 Sep 2006 06:04:22 +0000
Subject: [PATCH] export dae with cool new feature

---
 wrap/io_trimesh/export_dae.h | 118 ++++++++++++++++++++++++++++++++++-
 1 file changed, 117 insertions(+), 1 deletion(-)

diff --git a/wrap/io_trimesh/export_dae.h b/wrap/io_trimesh/export_dae.h
index 80746165..2ab1c5d8 100644
--- a/wrap/io_trimesh/export_dae.h
+++ b/wrap/io_trimesh/export_dae.h
@@ -27,7 +27,7 @@ public:
 		FCDocument* doc = new FCDocument();
 		FCDGeometryLibrary* geolib = doc->GetGeometryLibrary();
 		FCDGeometry* geo = geolib->AddEntity();
-		geo->SetDaeId("vcgmesh");
+		geo->SetDaeId("vcg-mesh");
 		FCDGeometryMesh* mesh = geo->CreateMesh();
 
 		FCDGeometrySource* vsource = mesh->AddVertexSource();
@@ -111,6 +111,122 @@ public:
 		return 0;
 	}
 
+	static int Save(SaveMeshType &m, const char * filename,AdditionalInfo*& in)
+	{
+		unsigned int ncomp = sizeof(SaveMeshType::CoordType) / sizeof(SaveMeshType::ScalarType);
+		assert(in != NULL);
+
+		AdditionalInfoDAE* inf = static_cast<AdditionalInfoDAE*>(in);
+		InfoDAE* info = inf->dae;
+		FCDGeometryLibrary* geolib = info->doc->GetGeometryLibrary();
+		
+		size_t dim = geolib->GetEntityCount();
+
+		for(unsigned int cont = 0;cont < dim;++cont)
+		{
+				delete geolib->GetEntity(cont);
+		}
+
+		FCDGeometry* geo = geolib->AddEntity();
+		geo->SetDaeId("vcg-mesh");
+		FCDGeometryMesh* mesh = geo->CreateMesh();
+
+		FCDGeometrySource* vsource = mesh->AddVertexSource();
+		vsource->SetDaeId("vcg-position");
+		vsource->SetSourceType(FUDaeGeometryInput::POSITION);
+		FCDGeometryPolygons* polyset = mesh->AddPolygons();
+		FloatList plist(m.vert.size() * ncomp);
+		
+		SaveMeshType::CoordType point;
+		unsigned int ii = 0;
+		for(FloatList::iterator it = plist.begin();it != plist.end();++it)
+		{
+			if ((ii % ncomp) == 0)
+			{
+				point = m.vert[ii / ncomp].P();
+			}
+			(*it) = point[ii % ncomp];
+			++ii;
+		}
+		
+		vsource->SetSourceData(plist,ncomp);
+
+		unsigned int jj = 0;
+		FCDGeometryPolygonsInput* ps = mesh->GetPolygons(0)->FindInput(FUDaeGeometryInput::POSITION);
+		//ps->indices.resize(m.face.size() * 3);
+		for(SaveMeshType::FaceIterator itf = m.face.begin();itf != m.face.end();++itf)
+		{
+			if( !(*itf).IsD() )
+			{
+				polyset->AddFace(3);
+				ps->indices[jj] = (itf->V(0) - &(m.vert[0]));
+				ps->indices[jj + 1] = (itf->V(1) - &(m.vert[0]));
+				ps->indices[jj + 2] = (itf->V(2) - &(m.vert[0]));
+				jj += 3;
+			}
+		}
+
+		FloatList nlist;
+
+		FCDGeometrySource* nsource = mesh->AddSource();
+		nsource->SetDaeId("vcg-wedgenormal");
+		nsource->SetSourceType(FUDaeGeometryInput::NORMAL);
+		//in the oldmesh format of vcg library normal is always a Point3
+		nlist.resize(m.face.size() * 3 * 3);
+		
+		unsigned int cc = 0;
+		jj = 0;
+		
+		FCDGeometryPolygonsInput* nm = polyset->AddInput(nsource,1);
+		//nm->semantic = FUDaeGeometryInput::NORMAL;
+		nm->indices.resize(m.face.size() * 3);
+		
+		for(SaveMeshType::FaceIterator fit = m.face.begin();fit != m.face.end();++fit)
+		{
+			if( !(*fit).IsD() )
+			{
+				vcg::Point3<SaveMeshType::ScalarType> norm = (((fit->V(1))->P() - (fit->V(0))->P()) ^ ((fit->V(2))->P() - (fit->V(0))->P())).Normalize();
+				for(unsigned int vv = 0; vv < 3;++vv)
+				{
+					nm->indices[jj + vv] = cc / 3;
+					for(unsigned int hh = 0; hh < 3;++hh)
+					{
+						nlist[cc] = norm[hh];
+						++cc;
+					}
+				} 
+				jj += 3;
+			}
+		}
+		nsource->SetSourceData(nlist,3);
+			
+
+		FCDSceneNode* root = info->doc->GetVisualSceneRoot ();
+		FCDSceneNodeTrackList& listchild = root->GetChildren();
+		std::vector<FCDSceneNodeTrackList::iterator> ve;
+		//size_t n = listchild.size();
+		for(FCDSceneNodeTrackList::iterator itlc = listchild.begin();itlc != listchild.end();++itlc)
+		{
+			FCDEntityInstanceContainer& li = (*itlc)->GetInstances();
+			for(FCDEntityInstanceContainer::iterator itli = li.begin();itli != li.end();++itli)
+			{
+				if ((*itli)->GetEntityType() == FCDEntity::GEOMETRY)
+				{
+					ve.push_back(itlc);
+				}
+			}
+		}
+		for(std::vector<FCDSceneNodeTrackList::iterator>::iterator itld = ve.begin();itld != ve.end();++itld)
+			listchild.erase((*itld));
+		ve.clear();
+		root->SetDaeId("vcg-scenenode");
+		FCDSceneNode* scenenod = root->AddChildNode();
+		scenenod->AddInstance(geo);
+		//root->
+		info->doc->WriteToFile(FUStringConversion::ToFString(filename));
+		return 0;
+	}
+
 	static int GetExportMaskCapability()
 	{
 		int capability = 0;