OrcaSlicer/src/libigl/igl/readBF.cpp
tamasmeszaros 2ae2672ee9 Building igl statically and moving to the dep scripts
Fixing dep build script on Windows and removing some warnings.

Use bundled igl by default.

Not building with the dependency scripts if not explicitly stated. This way, it will stay in
Fix the libigl patch to include C source files in header only mode.
2019-06-19 14:52:55 +02:00

114 lines
3.5 KiB
C++

// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2016 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#include "readBF.h"
#include "list_to_matrix.h"
#include <vector>
#include <cstdio>
#include <fstream>
#include <cassert>
#include <functional>
template <
typename DerivedWI,
typename DerivedP,
typename DerivedO>
IGL_INLINE bool igl::readBF(
const std::string & filename,
Eigen::PlainObjectBase<DerivedWI> & WI,
Eigen::PlainObjectBase<DerivedP> & P,
Eigen::PlainObjectBase<DerivedO> & O)
{
using namespace std;
ifstream is(filename);
if(!is.is_open())
{
return false;
}
string line;
std::vector<typename DerivedWI::Scalar> vWI;
std::vector<typename DerivedP::Scalar> vP;
std::vector<std::vector<typename DerivedO::Scalar> > vO;
while(getline(is, line))
{
int wi,p;
double cx,cy,cz;
if(sscanf(line.c_str(), "%d %d %lg %lg %lg",&wi,&p,&cx,&cy,&cz) != 5)
{
return false;
}
vWI.push_back(wi);
vP.push_back(p);
vO.push_back({cx,cy,cz});
}
list_to_matrix(vWI,WI);
list_to_matrix(vP,P);
list_to_matrix(vO,O);
return true;
}
template <
typename DerivedWI,
typename DerivedbfP,
typename DerivedO,
typename DerivedC,
typename DerivedBE,
typename DerivedP>
IGL_INLINE bool igl::readBF(
const std::string & filename,
Eigen::PlainObjectBase<DerivedWI> & WI,
Eigen::PlainObjectBase<DerivedbfP> & bfP,
Eigen::PlainObjectBase<DerivedO> & offsets,
Eigen::PlainObjectBase<DerivedC> & C,
Eigen::PlainObjectBase<DerivedBE> & BE,
Eigen::PlainObjectBase<DerivedP> & P)
{
using namespace Eigen;
using namespace std;
if(!readBF(filename,WI,bfP,offsets))
{
return false;
}
C.resize(WI.rows(),3);
vector<bool> computed(C.rows(),false);
// better not be cycles in bfP
std::function<Eigen::RowVector3d(const int)> locate_tip;
locate_tip =
[&offsets,&computed,&bfP,&locate_tip,&C](const int w)->Eigen::RowVector3d
{
if(w<0) return Eigen::RowVector3d(0,0,0);
if(computed[w]) return C.row(w);
computed[w] = true;
return C.row(w) = locate_tip(bfP(w)) + offsets.row(w);
};
int num_roots = (bfP.array() == -1).count();
BE.resize(WI.rows()-num_roots,2);
P.resize(BE.rows());
for(int c = 0;c<C.rows();c++)
{
locate_tip(c);
assert(c>=0);
// weight associated with this bone
const int wi = WI(c);
if(wi >= 0)
{
// index into C
const int p = bfP(c);
assert(p >= 0 && "No weights for roots allowed");
// index into BE
const int pwi = WI(p);
P(wi) = pwi;
BE(wi,0) = p;
BE(wi,1) = c;
}
}
return true;
}
#ifdef IGL_STATIC_LIBRARY
template bool igl::readBF<Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, 1, 0, -1, 1> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&);
#endif