diff options
Diffstat (limited to 'intern/openvdb/intern/openvdb_dense_convert.cc')
| -rw-r--r-- | intern/openvdb/intern/openvdb_dense_convert.cc | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/intern/openvdb/intern/openvdb_dense_convert.cc b/intern/openvdb/intern/openvdb_dense_convert.cc deleted file mode 100644 index 085c04f1c81..00000000000 --- a/intern/openvdb/intern/openvdb_dense_convert.cc +++ /dev/null @@ -1,186 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2015 Blender Foundation. - * All rights reserved. - */ - -#include "openvdb_dense_convert.h" - -#include <openvdb/tools/ValueTransformer.h> /* for tools::foreach */ - -namespace internal { - -openvdb::Mat4R convertMatrix(const float mat[4][4]) -{ - return openvdb::Mat4R(mat[0][0], - mat[0][1], - mat[0][2], - mat[0][3], - mat[1][0], - mat[1][1], - mat[1][2], - mat[1][3], - mat[2][0], - mat[2][1], - mat[2][2], - mat[2][3], - mat[3][0], - mat[3][1], - mat[3][2], - mat[3][3]); -} - -class MergeScalarGrids { - typedef openvdb::FloatTree ScalarTree; - - openvdb::tree::ValueAccessor<const ScalarTree> m_acc_x, m_acc_y, m_acc_z; - - public: - MergeScalarGrids(const ScalarTree *x_tree, const ScalarTree *y_tree, const ScalarTree *z_tree) - : m_acc_x(*x_tree), m_acc_y(*y_tree), m_acc_z(*z_tree) - { - } - - MergeScalarGrids(const MergeScalarGrids &other) - : m_acc_x(other.m_acc_x), m_acc_y(other.m_acc_y), m_acc_z(other.m_acc_z) - { - } - - void operator()(const openvdb::Vec3STree::ValueOnIter &it) const - { - using namespace openvdb; - - const math::Coord xyz = it.getCoord(); - float x = m_acc_x.getValue(xyz); - float y = m_acc_y.getValue(xyz); - float z = m_acc_z.getValue(xyz); - - it.setValue(math::Vec3s(x, y, z)); - } -}; - -openvdb::GridBase *OpenVDB_export_vector_grid(OpenVDBWriter *writer, - const openvdb::Name &name, - const float *data_x, - const float *data_y, - const float *data_z, - const int res[3], - float fluid_mat[4][4], - openvdb::VecType vec_type, - const bool is_color, - const float clipping, - const openvdb::FloatGrid *mask) -{ - using namespace openvdb; - - math::CoordBBox bbox(Coord(0), Coord(res[0] - 1, res[1] - 1, res[2] - 1)); - Mat4R mat = convertMatrix(fluid_mat); - math::Transform::Ptr transform = math::Transform::createLinearTransform(mat); - - FloatGrid::Ptr grid[3]; - - grid[0] = FloatGrid::create(0.0f); - tools::Dense<const float, tools::LayoutXYZ> dense_grid_x(bbox, data_x); - tools::copyFromDense(dense_grid_x, grid[0]->tree(), clipping); - - grid[1] = FloatGrid::create(0.0f); - tools::Dense<const float, tools::LayoutXYZ> dense_grid_y(bbox, data_y); - tools::copyFromDense(dense_grid_y, grid[1]->tree(), clipping); - - grid[2] = FloatGrid::create(0.0f); - tools::Dense<const float, tools::LayoutXYZ> dense_grid_z(bbox, data_z); - tools::copyFromDense(dense_grid_z, grid[2]->tree(), clipping); - - Vec3SGrid::Ptr vecgrid = Vec3SGrid::create(Vec3s(0.0f)); - - /* Activate voxels in the vector grid based on the scalar grids to ensure - * thread safety later on */ - for (int i = 0; i < 3; ++i) { - vecgrid->tree().topologyUnion(grid[i]->tree()); - } - - MergeScalarGrids op(&(grid[0]->tree()), &(grid[1]->tree()), &(grid[2]->tree())); - tools::foreach (vecgrid->beginValueOn(), op, true, false); - - vecgrid->setTransform(transform); - - /* Avoid clipping against an empty grid. */ - if (mask && !mask->tree().empty()) { - vecgrid = tools::clip(*vecgrid, *mask); - } - - vecgrid->setName(name); - vecgrid->setIsInWorldSpace(false); - vecgrid->setVectorType(vec_type); - vecgrid->insertMeta("is_color", BoolMetadata(is_color)); - vecgrid->setGridClass(GRID_STAGGERED); - - writer->insert(vecgrid); - - return vecgrid.get(); -} - -void OpenVDB_import_grid_vector(OpenVDBReader *reader, - const openvdb::Name &name, - float **data_x, - float **data_y, - float **data_z, - const int res[3]) -{ - using namespace openvdb; - - if (!reader->hasGrid(name)) { - std::fprintf(stderr, "OpenVDB grid %s not found in file!\n", name.c_str()); - memset(*data_x, 0, sizeof(float) * res[0] * res[1] * res[2]); - memset(*data_y, 0, sizeof(float) * res[0] * res[1] * res[2]); - memset(*data_z, 0, sizeof(float) * res[0] * res[1] * res[2]); - return; - } - - Vec3SGrid::Ptr vgrid = gridPtrCast<Vec3SGrid>(reader->getGrid(name)); - Vec3SGrid::ConstAccessor acc = vgrid->getConstAccessor(); - math::Coord xyz; - int &x = xyz[0], &y = xyz[1], &z = xyz[2]; - - size_t index = 0; - for (z = 0; z < res[2]; ++z) { - for (y = 0; y < res[1]; ++y) { - for (x = 0; x < res[0]; ++x, ++index) { - math::Vec3s value = acc.getValue(xyz); - (*data_x)[index] = value.x(); - (*data_y)[index] = value.y(); - (*data_z)[index] = value.z(); - } - } - } -} - -openvdb::Name do_name_versionning(const openvdb::Name &name) -{ - openvdb::Name temp_name = name; - - if (temp_name.find("_low", temp_name.size() - 4, 4) == temp_name.size() - 4) { - return temp_name.replace(temp_name.size() - 4, 4, " low"); - } - - if (temp_name.find("_old", temp_name.size() - 4, 4) == temp_name.size() - 4) { - return temp_name.replace(temp_name.size() - 4, 4, " old"); - } - - return temp_name; -} - -} /* namespace internal */ |