// Calculate T&B
void OGF::CalculateTB()
{
u32 v_count_reserve = 3*iFloor(float(data.vertices.size())*1.33f);
u32 i_count_reserve = 3*data.faces.size();
// Declare inputs
xr_vector<NVMeshMender::VertexAttribute> input;
input.push_back (NVMeshMender::VertexAttribute()); // pos
input.push_back (NVMeshMender::VertexAttribute()); // norm
input.push_back (NVMeshMender::VertexAttribute()); // tex0
input.push_back (NVMeshMender::VertexAttribute()); // color
input.push_back (NVMeshMender::VertexAttribute()); // *** faces
input[0].Name_= "position"; xr_vector<float>& i_position = input[0].floatVector_; i_position.reserve (v_count_reserve);
input[1].Name_= "normal"; xr_vector<float>& i_normal = input[1].floatVector_; i_normal.reserve (v_count_reserve);
input[2].Name_= "tex0"; xr_vector<float>& i_tc = input[2].floatVector_; i_tc.reserve (v_count_reserve);
input[3].Name_= "clr"; xr_vector<float>& i_color = input[3].floatVector_; i_normal.reserve (v_count_reserve);
input[4].Name_= "indices"; xr_vector<int>& i_indices = input[4].intVector_; i_indices.reserve (i_count_reserve);
// Declare outputs
xr_vector<NVMeshMender::VertexAttribute> output;
output.push_back(NVMeshMender::VertexAttribute()); // position, needed for mender
output.push_back(NVMeshMender::VertexAttribute()); // normal
output.push_back(NVMeshMender::VertexAttribute()); // tangent
output.push_back(NVMeshMender::VertexAttribute()); // binormal
output.push_back(NVMeshMender::VertexAttribute()); // tex0
output.push_back(NVMeshMender::VertexAttribute()); // color
output.push_back(NVMeshMender::VertexAttribute()); // *** faces
output[0].Name_= "position";
output[1].Name_= "normal";
output[2].Name_= "tangent";
output[3].Name_= "binormal";
output[4].Name_= "tex0";
output[5].Name_= "clr";
output[6].Name_= "indices";
fill_mender_input( data.vertices, data.faces, i_position, i_normal, i_tc, i_color, i_indices );
// Perform munge
NVMeshMender mender;
if (!mender.Munge(
input, // input attributes
output, // outputs attributes
deg2rad(75.f), // tangent space smooth angle
0, // no texture matrix applied to my texture coordinates
NVMeshMender::FixTangents, // fix degenerate bases & texture mirroring
NVMeshMender::DontFixCylindricalTexGen, // handle cylindrically mapped textures via vertex duplication
NVMeshMender::DontWeightNormalsByFaceSize // weigh vertex normals by the triangle's size
))
{
xrDebug::Fatal (DEBUG_INFO,"NVMeshMender failed (%s)",mender.GetLastError().c_str());
}
// Bind declarators
xr_vector<float>& o_position = output[0].floatVector_; R_ASSERT(output[0].Name_=="position");
xr_vector<float>& o_normal = output[1].floatVector_; R_ASSERT(output[1].Name_=="normal");
xr_vector<float>& o_tangent = output[2].floatVector_; R_ASSERT(output[2].Name_=="tangent");
xr_vector<float>& o_binormal = output[3].floatVector_; R_ASSERT(output[3].Name_=="binormal");
xr_vector<float>& o_tc = output[4].floatVector_; R_ASSERT(output[4].Name_=="tex0");
xr_vector<float>& o_color = output[5].floatVector_; R_ASSERT(output[5].Name_=="clr");
xr_vector<int>& o_indices = output[6].intVector_; R_ASSERT(output[6].Name_=="indices");
// verify
R_ASSERT (3*data.faces.size() == o_indices.size());
u32 v_cnt = o_position.size();
R_ASSERT (0==v_cnt%3);
R_ASSERT (v_cnt == o_normal.size());
R_ASSERT (v_cnt == o_tangent.size());
R_ASSERT (v_cnt == o_binormal.size());
R_ASSERT (v_cnt == o_tc.size());
R_ASSERT (v_cnt == o_color.size());
retrive_data_from_mender_otput( data.vertices, data.faces, o_position, o_normal, o_tc, o_tangent, o_binormal, o_color, o_indices );
}
// Calculate T&B
void OGF::CalculateTB()
{
u32 v_count_reserve = 3*iFloor(float(vertices.size())*1.33f);
u32 i_count_reserve = 3*faces.size();
// Declare inputs
xr_vector<NVMeshMender::VertexAttribute> input;
input.push_back (NVMeshMender::VertexAttribute()); // pos
input.push_back (NVMeshMender::VertexAttribute()); // norm
input.push_back (NVMeshMender::VertexAttribute()); // tex0
input.push_back (NVMeshMender::VertexAttribute()); // color
input.push_back (NVMeshMender::VertexAttribute()); // *** faces
input[0].Name_= "position"; xr_vector<float>& i_position = input[0].floatVector_; i_position.reserve (v_count_reserve);
input[1].Name_= "normal"; xr_vector<float>& i_normal = input[1].floatVector_; i_normal.reserve (v_count_reserve);
input[2].Name_= "tex0"; xr_vector<float>& i_tc = input[2].floatVector_; i_tc.reserve (v_count_reserve);
input[3].Name_= "clr"; xr_vector<float>& i_color = input[3].floatVector_; i_normal.reserve (v_count_reserve);
input[4].Name_= "indices"; xr_vector<int>& i_indices = input[4].intVector_; i_indices.reserve (i_count_reserve);
// Declare outputs
xr_vector<NVMeshMender::VertexAttribute> output;
output.push_back(NVMeshMender::VertexAttribute()); // position, needed for mender
output.push_back(NVMeshMender::VertexAttribute()); // normal
output.push_back(NVMeshMender::VertexAttribute()); // tangent
output.push_back(NVMeshMender::VertexAttribute()); // binormal
output.push_back(NVMeshMender::VertexAttribute()); // tex0
output.push_back(NVMeshMender::VertexAttribute()); // color
output.push_back(NVMeshMender::VertexAttribute()); // *** faces
output[0].Name_= "position";
output[1].Name_= "normal";
output[2].Name_= "tangent";
output[3].Name_= "binormal";
output[4].Name_= "tex0";
output[5].Name_= "clr";
output[6].Name_= "indices";
// fill inputs (verts&indices)
for (itOGF_V vert_it=vertices.begin(); vert_it!=vertices.end(); vert_it++){
OGF_Vertex &iV = *vert_it;
i_position.push_back(iV.P.x); i_position.push_back(iV.P.y); i_position.push_back(iV.P.z);
i_normal.push_back (iV.N.x); i_normal.push_back (iV.N.y); i_normal.push_back (iV.N.z);
i_color.push_back (iV.Color._x); i_color.push_back (iV.Color._y); i_color.push_back (iV.Color._z);
i_tc.push_back (iV.UV[0].x); i_tc.push_back (iV.UV[0].y); i_tc.push_back (0);
}
for (itOGF_F face_it=faces.begin(); face_it!=faces.end(); face_it++){
OGF_Face &iF = *face_it;
i_indices.push_back (iF.v[0]);
i_indices.push_back (iF.v[1]);
i_indices.push_back (iF.v[2]);
}
// Perform munge
NVMeshMender mender;
if (!mender.Munge(
input, // input attributes
output, // outputs attributes
deg2rad(75.f), // tangent space smooth angle
0, // no texture matrix applied to my texture coordinates
NVMeshMender::FixTangents, // fix degenerate bases & texture mirroring
NVMeshMender::DontFixCylindricalTexGen, // handle cylindrically mapped textures via vertex duplication
NVMeshMender::DontWeightNormalsByFaceSize // weigh vertex normals by the triangle's size
))
{
Debug.fatal (DEBUG_INFO,"NVMeshMender failed (%s)",mender.GetLastError().c_str());
}
// Bind declarators
xr_vector<float>& o_position = output[0].floatVector_; R_ASSERT(output[0].Name_=="position");
xr_vector<float>& o_normal = output[1].floatVector_; R_ASSERT(output[1].Name_=="normal");
xr_vector<float>& o_tangent = output[2].floatVector_; R_ASSERT(output[2].Name_=="tangent");
xr_vector<float>& o_binormal = output[3].floatVector_; R_ASSERT(output[3].Name_=="binormal");
xr_vector<float>& o_tc = output[4].floatVector_; R_ASSERT(output[4].Name_=="tex0");
xr_vector<float>& o_color = output[5].floatVector_; R_ASSERT(output[5].Name_=="clr");
xr_vector<int>& o_indices = output[6].intVector_; R_ASSERT(output[6].Name_=="indices");
// verify
R_ASSERT (3*faces.size() == o_indices.size());
u32 v_cnt = o_position.size();
R_ASSERT (0==v_cnt%3);
R_ASSERT (v_cnt == o_normal.size());
R_ASSERT (v_cnt == o_tangent.size());
R_ASSERT (v_cnt == o_binormal.size());
R_ASSERT (v_cnt == o_tc.size());
R_ASSERT (v_cnt == o_color.size());
v_cnt /= 3;
// retriving data
u32 o_idx = 0;
for (face_it=faces.begin(); face_it!=faces.end(); face_it++){
OGF_Face &iF = *face_it;
iF.v[0] = o_indices[o_idx++];
iF.v[1] = o_indices[o_idx++];
iF.v[2] = o_indices[o_idx++];
}
vertices.clear (); vertices.resize(v_cnt);
for (u32 v_idx=0; v_idx!=v_cnt; v_idx++){
OGF_Vertex &iV = vertices[v_idx];
iV.P.set (o_position[v_idx*3+0], o_position[v_idx*3+1], o_position[v_idx*3+2]);
iV.N.set (o_normal[v_idx*3+0], o_normal[v_idx*3+1], o_normal[v_idx*3+2]);
iV.T.set (o_tangent[v_idx*3+0], o_tangent[v_idx*3+1], o_tangent[v_idx*3+2]);
iV.B.set (o_binormal[v_idx*3+0], o_binormal[v_idx*3+1], o_binormal[v_idx*3+2]);
iV.UV.resize(1);
iV.UV[0].set(o_tc[v_idx*3+0], o_tc[v_idx*3+1]);
iV.Color._set(o_color[v_idx*3+0], o_color[v_idx*3+1], o_color[v_idx*3+2]);
}
}
