From ff4d9d011d831932ceddb359470a3e833e7ca511 Mon Sep 17 00:00:00 2001
From: granzuglia <guido.ranzuglia@isti.cnr.it>
Date: Fri, 7 Jul 2006 06:55:41 +0000
Subject: [PATCH] updated the importer and added the first version of the
 exporter

---
 wrap/io_trimesh/export_dae.h | 134 +++++++++++++++++++++++++++++++++++
 wrap/io_trimesh/import_dae.h |  10 ++-
 2 files changed, 143 insertions(+), 1 deletion(-)
 create mode 100644 wrap/io_trimesh/export_dae.h

diff --git a/wrap/io_trimesh/export_dae.h b/wrap/io_trimesh/export_dae.h
new file mode 100644
index 00000000..59d22532
--- /dev/null
+++ b/wrap/io_trimesh/export_dae.h
@@ -0,0 +1,134 @@
+#ifndef __VCGLIB_EXPORTERDAE
+#define __VCGLIB_EXPORTERDAE
+
+#include <FCollada.h>
+#include <FCDocument/FCDocument.h>
+#include <FCDocument/FCDLibrary.h>
+#include <FCDocument/FCDGeometry.h>
+#include <FCDocument/FCDGeometryMesh.h>
+#include <FCDocument/FCDGeometrySource.h>
+#include <FCDocument/FCDGeometryPolygons.h>
+#include <FCDocument/FCDSceneNode.h>
+
+namespace vcg {
+namespace tri {
+namespace io {
+
+//FCollada Library assumes that SaveMeshType::ScalarType is always a float
+
+template<typename SaveMeshType>
+class ExporterDAE
+{
+public:
+	static int Save(SaveMeshType &m, const char * filename)
+	{
+		unsigned int ncomp = sizeof(SaveMeshType::CoordType) / sizeof(SaveMeshType::ScalarType);
+		FCDocument* doc = new FCDocument();
+		FCDGeometryLibrary* geolib = doc->GetGeometryLibrary();
+		FCDGeometry* geo = geolib->AddEntity();
+		geo->SetDaeId("vcgmesh");
+		FCDGeometryMesh* mesh = geo->CreateMesh();
+
+		FCDGeometrySource* vsource = mesh->AddVertexSource();
+		vsource->SetDaeId("vcg-position");
+		vsource->SetSourceType(FUDaeGeometryInput::POSITION);
+		FCDGeometryPolygons* polyset = mesh->AddPolygons();
+		//for(UInt32List::iterator it = polyinput->indices.begin();it != polyinput->indices.end();++it)
+		//	*it = 100;
+		
+		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);
+		
+		doc->WriteToFile(FUStringConversion::ToFString(filename));
+		return 0;
+	}
+
+	static int GetExportMaskCapability()
+	{
+		int capability = 0;
+
+		//camera
+		//capability |= MeshModel::IOM_CAMERA;
+
+		//vert
+		//capability |= MeshModel::IOM_VERTTEXCOORD;
+
+		//face
+		capability |= MeshModel::IOM_FACEFLAGS;
+		//capability |= MeshModel::IOM_FACECOLOR;
+		capability |= MeshModel::IOM_FACENORMAL;
+
+		//wedg
+		//capability |= MeshModel::IOM_WEDGTEXCOORD;
+		capability |= MeshModel::IOM_WEDGNORMAL;
+
+		return capability;
+	}
+};
+}
+}
+}
+
+#endif
\ No newline at end of file
diff --git a/wrap/io_trimesh/import_dae.h b/wrap/io_trimesh/import_dae.h
index cb5e6312..c3ee5b61 100644
--- a/wrap/io_trimesh/import_dae.h
+++ b/wrap/io_trimesh/import_dae.h
@@ -12,10 +12,12 @@
 #include <FCDocument/FCDGeometrySource.h>
 #include <FCDocument/FCDGeometryPolygons.h>
 
+
 //#include <wrap/gl/trimesh.h>
 #include <vcg/complex/trimesh/update/normal.h>
 #include <vcg/complex/trimesh/allocate.h>
 
+//#include <hgrd/hgrd.h>
 
 namespace vcg {
 namespace tri {
@@ -56,6 +58,7 @@ public:
 
 	static int Open(OpenMeshType& m,const char* filename)
 	{
+
 		assert(filename!=0);
 		FCDocument* doc = new FCDocument();
 		
@@ -81,6 +84,10 @@ public:
 				if (geomsh[ii]->GetFaceCount() > 0)
 				{
 					geomsh[ii]->Triangulate(); 
+					/*std::vector< std::vector<OpenMeshType::VertexType> > vt(m.face.size());
+					for(std::vector< std::vector<OpenMeshType::VertexType> >::iterator
+					HGRD<OpenMeshType::VertexType>::Triangulate(*/
+					
 					//geomsh[ii]->Get
 					size_t dim = geomsh[ii]->GetFaceVertexCount() / geomsh[ii]->GetFaceCount();
 					assert(dim == 3);
@@ -101,6 +108,7 @@ public:
 							vi->N() = vcg::Point3f(0.0,0.0,0.0);
 						}
 					}
+
 					else return E_NOVERTEXPOSITION;
 
 					//a single mesh may be composed by a variable numbers of polygons' subsets
@@ -231,7 +239,7 @@ public:
 		return E_NOERROR;
 	}
 };
-
+	
 }
 }
 }