diff options
author | Sergey Sharybin <sergey.vfx@gmail.com> | 2016-09-16 18:09:28 +0300 |
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committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2016-09-16 18:09:28 +0300 |
commit | d96b8e168f3c809cd79f6028dbf99eeeebb71302 (patch) | |
tree | 75ee78ee75ea602c2c698f4b4ec8494093b949c7 /source/blender/alembic/intern/abc_mesh.cc | |
parent | 76c99f361f58752eff8054f5cff52cad9ce57145 (diff) | |
parent | 4b39069908c88099860c04a3b7d3b4aae0a272f5 (diff) |
Merge branch 'master' into blender2.8
Diffstat (limited to 'source/blender/alembic/intern/abc_mesh.cc')
-rw-r--r-- | source/blender/alembic/intern/abc_mesh.cc | 99 |
1 files changed, 98 insertions, 1 deletions
diff --git a/source/blender/alembic/intern/abc_mesh.cc b/source/blender/alembic/intern/abc_mesh.cc index 4db33289232..41261ffaa30 100644 --- a/source/blender/alembic/intern/abc_mesh.cc +++ b/source/blender/alembic/intern/abc_mesh.cc @@ -37,8 +37,8 @@ extern "C" { #include "BLI_math_geom.h" #include "BLI_string.h" +#include "BKE_cdderivedmesh.h" #include "BKE_depsgraph.h" -#include "BKE_DerivedMesh.h" #include "BKE_main.h" #include "BKE_material.h" #include "BKE_mesh.h" @@ -49,6 +49,9 @@ extern "C" { #include "WM_types.h" #include "ED_mesh.h" + +#include "bmesh.h" +#include "bmesh_tools.h" } using Alembic::Abc::FloatArraySample; @@ -538,6 +541,23 @@ DerivedMesh *AbcMeshWriter::getFinalMesh() m_subsurf_mod->mode &= ~eModifierMode_DisableTemporary; } + if (m_settings.triangulate) { + const bool tag_only = false; + const int quad_method = m_settings.quad_method; + const int ngon_method = m_settings.ngon_method; + + BMesh *bm = DM_to_bmesh(dm, true); + + BM_mesh_triangulate(bm, quad_method, ngon_method, tag_only, NULL, NULL, NULL); + + DerivedMesh *result = CDDM_from_bmesh(bm, false); + BM_mesh_free(bm); + + freeMesh(dm); + + dm = result; + } + m_custom_data_config.pack_uvs = m_settings.pack_uv; m_custom_data_config.mpoly = dm->getPolyArray(dm); m_custom_data_config.mloop = dm->getLoopArray(dm); @@ -784,6 +804,7 @@ struct AbcMeshData { Int32ArraySamplePtr face_counts; P3fArraySamplePtr positions; + P3fArraySamplePtr ceil_positions; N3fArraySamplePtr vertex_normals; N3fArraySamplePtr face_normals; @@ -831,12 +852,32 @@ CDStreamConfig create_config(Mesh *mesh) return config; } +static void read_mverts_interp(MVert *mverts, const P3fArraySamplePtr &positions, const P3fArraySamplePtr &ceil_positions, const float weight) +{ + float tmp[3]; + for (int i = 0; i < positions->size(); ++i) { + MVert &mvert = mverts[i]; + const Imath::V3f &floor_pos = (*positions)[i]; + const Imath::V3f &ceil_pos = (*ceil_positions)[i]; + + interp_v3_v3v3(tmp, floor_pos.getValue(), ceil_pos.getValue(), weight); + copy_yup_zup(mvert.co, tmp); + + mvert.bweight = 0; + } +} + static void read_mverts(CDStreamConfig &config, const AbcMeshData &mesh_data) { MVert *mverts = config.mvert; const P3fArraySamplePtr &positions = mesh_data.positions; const N3fArraySamplePtr &normals = mesh_data.vertex_normals; + if (config.weight != 0.0f && mesh_data.ceil_positions) { + read_mverts_interp(mverts, positions, mesh_data.ceil_positions, config.weight); + return; + } + read_mverts(mverts, positions, normals); } @@ -1063,6 +1104,46 @@ void AbcMeshReader::readFaceSetsSample(Main *bmain, Mesh *mesh, size_t poly_star utils::assign_materials(bmain, m_object, mat_map); } +typedef std::pair<Alembic::AbcCoreAbstract::index_t, float> index_time_pair_t; + +static void get_weight_and_index(CDStreamConfig &config, + Alembic::AbcCoreAbstract::TimeSamplingPtr time_sampling, + size_t samples_number) +{ + if (samples_number == 0) { + samples_number = 1; + } + + index_time_pair_t floor_index = time_sampling->getFloorIndex(config.time, samples_number); + + config.index = floor_index.first; + config.ceil_index = config.index; + + if (fabs(config.time - floor_index.second) < 0.0001f) { + config.weight = 0.0f; + return; + } + + index_time_pair_t ceil_index = time_sampling->getCeilIndex(config.time, samples_number); + + if (config.index == ceil_index.first) { + config.weight = 0.0f; + return; + } + + config.ceil_index = ceil_index.first; + + float alpha = (config.time - floor_index.second) / (ceil_index.second - floor_index.second); + + /* Since we so closely match the ceiling, we'll just use it. */ + if (fabs(1.0f - alpha) < 0.0001f) { + config.index = config.ceil_index; + alpha = 0.0f; + } + + config.weight = alpha; +} + void read_mesh_sample(ImportSettings *settings, const IPolyMeshSchema &schema, const ISampleSelector &selector, @@ -1080,6 +1161,14 @@ void read_mesh_sample(ImportSettings *settings, do_normals = (abc_mesh_data.face_normals != NULL); + get_weight_and_index(config, schema.getTimeSampling(), schema.getNumSamples()); + + if (config.weight != 0.0f) { + Alembic::AbcGeom::IPolyMeshSchema::Sample ceil_sample; + schema.get(ceil_sample, Alembic::Abc::ISampleSelector(static_cast<Alembic::AbcCoreAbstract::index_t>(config.ceil_index))); + abc_mesh_data.ceil_positions = ceil_sample.getPositions(); + } + if ((settings->read_flag & MOD_MESHSEQ_READ_UV) != 0) { read_uvs_params(config, abc_mesh_data, schema.getUVsParam(), selector); } @@ -1195,6 +1284,14 @@ void read_subd_sample(ImportSettings *settings, abc_mesh_data.face_normals = N3fArraySamplePtr(); abc_mesh_data.positions = sample.getPositions(); + get_weight_and_index(config, schema.getTimeSampling(), schema.getNumSamples()); + + if (config.weight != 0.0f) { + Alembic::AbcGeom::ISubDSchema::Sample ceil_sample; + schema.get(ceil_sample, Alembic::Abc::ISampleSelector(static_cast<Alembic::AbcCoreAbstract::index_t>(config.ceil_index))); + abc_mesh_data.ceil_positions = ceil_sample.getPositions(); + } + if ((settings->read_flag & MOD_MESHSEQ_READ_UV) != 0) { read_uvs_params(config, abc_mesh_data, schema.getUVsParam(), selector); } |