Revert "Alembic: Construct ISampleSelector once and pass along"

This reverts commit 099816587a0e064fb6a52c82a737ae8814cf21df. It had some
unforseen side-effects that should be investigated first.

15 files changed, 59 insertions, 74 deletions

diff --git a/source/blender/alembic/intern/abc_camera.cc b/source/blender/alembic/intern/abc_camera.cc
index 33344f6c9c5..4f70b2a972c 100644
--- a/source/blender/alembic/intern/abc_camera.cc
+++ b/source/blender/alembic/intern/abc_camera.cc
@@ -117,10 +117,11 @@ bool AbcCameraReader::valid() const
 	return m_schema.valid();
 }
 
-void AbcCameraReader::readObjectData(Main *bmain, const ISampleSelector &sample_sel)
+void AbcCameraReader::readObjectData(Main *bmain, float time)
 {
 	Camera *bcam = static_cast<Camera *>(BKE_camera_add(bmain, m_data_name.c_str()));
 
+	ISampleSelector sample_sel(time);
 	CameraSample cam_sample;
 	m_schema.get(cam_sample, sample_sel);
 
diff --git a/source/blender/alembic/intern/abc_camera.h b/source/blender/alembic/intern/abc_camera.h
index 0201dd9d6e1..1c4b7f77949 100644
--- a/source/blender/alembic/intern/abc_camera.h
+++ b/source/blender/alembic/intern/abc_camera.h
@@ -55,7 +55,7 @@ public:
 
 	bool valid() const;
 
-	void readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel);
+	void readObjectData(Main *bmain, float time);
 };
 
 #endif  /* __ABC_CAMERA_H__ */
diff --git a/source/blender/alembic/intern/abc_curves.cc b/source/blender/alembic/intern/abc_curves.cc
index d85d8df4d77..bf485c7ef61 100644
--- a/source/blender/alembic/intern/abc_curves.cc
+++ b/source/blender/alembic/intern/abc_curves.cc
@@ -211,7 +211,7 @@ bool AbcCurveReader::valid() const
 	return m_curves_schema.valid();
 }
 
-void AbcCurveReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel)
+void AbcCurveReader::readObjectData(Main *bmain, float time)
 {
 	Curve *cu = BKE_curve_add(bmain, m_data_name.c_str(), OB_CURVE);
 
@@ -219,6 +219,8 @@ void AbcCurveReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSele
 	cu->actvert = CU_ACT_NONE;
 	cu->resolu = 1;
 
+	const ISampleSelector sample_sel(time);
+
 	ICompoundProperty user_props = m_curves_schema.getUserProperties();
 	if (user_props) {
 		const PropertyHeader *header = user_props.getPropertyHeader(ABC_CURVE_RESOLUTION_U_PROPNAME);
@@ -387,11 +389,9 @@ void read_curve_sample(Curve *cu, const ICurvesSchema &schema, const ISampleSele
  * object directly and create a new DerivedMesh from that. Also we might need to
  * create new or delete existing NURBS in the curve.
  */
-DerivedMesh *AbcCurveReader::read_derivedmesh(DerivedMesh * /*dm*/,
-                                              const ISampleSelector &sample_sel,
-                                              int /*read_flag*/,
-                                              const char ** /*err_str*/)
+DerivedMesh *AbcCurveReader::read_derivedmesh(DerivedMesh * /*dm*/, const float time, int /*read_flag*/, const char ** /*err_str*/)
 {
+	ISampleSelector sample_sel(time);
 	const ICurvesSchema::Sample sample = m_curves_schema.getValue(sample_sel);
 
 	const P3fArraySamplePtr &positions = sample.getPositions();
diff --git a/source/blender/alembic/intern/abc_curves.h b/source/blender/alembic/intern/abc_curves.h
index 1ad6d0bf278..71b0d205820 100644
--- a/source/blender/alembic/intern/abc_curves.h
+++ b/source/blender/alembic/intern/abc_curves.h
@@ -55,11 +55,8 @@ public:
 
 	bool valid() const;
 
-	void readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel);
-	DerivedMesh *read_derivedmesh(DerivedMesh *dm,
-	                              const Alembic::Abc::ISampleSelector &sample_sel,
-	                              int read_flag,
-	                              const char **err_str);
+	void readObjectData(Main *bmain, float time);
+	DerivedMesh *read_derivedmesh(DerivedMesh *, const float time, int read_flag, const char **err_str);
 };
 
 /* ************************************************************************** */
diff --git a/source/blender/alembic/intern/abc_mesh.cc b/source/blender/alembic/intern/abc_mesh.cc
index 39186ec55dc..79b891dbcd4 100644
--- a/source/blender/alembic/intern/abc_mesh.cc
+++ b/source/blender/alembic/intern/abc_mesh.cc
@@ -1021,15 +1021,17 @@ bool AbcMeshReader::valid() const
 	return m_schema.valid();
 }
 
-void AbcMeshReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel)
+void AbcMeshReader::readObjectData(Main *bmain, float time)
 {
 	Mesh *mesh = BKE_mesh_add(bmain, m_data_name.c_str());
 
 	m_object = BKE_object_add_only_object(bmain, OB_MESH, m_object_name.c_str());
 	m_object->data = mesh;
 
+	const ISampleSelector sample_sel(time);
+
 	DerivedMesh *dm = CDDM_from_mesh(mesh);
-	DerivedMesh *ndm = this->read_derivedmesh(dm, sample_sel, MOD_MESHSEQ_READ_ALL, NULL);
+	DerivedMesh *ndm = this->read_derivedmesh(dm, time, MOD_MESHSEQ_READ_ALL, NULL);
 
 	if (ndm != dm) {
 		dm->release(dm);
@@ -1048,11 +1050,9 @@ void AbcMeshReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSelec
 	}
 }
 
-DerivedMesh *AbcMeshReader::read_derivedmesh(DerivedMesh *dm,
-                                             const ISampleSelector &sample_sel,
-                                             int read_flag,
-                                             const char **err_str)
+DerivedMesh *AbcMeshReader::read_derivedmesh(DerivedMesh *dm, const float time, int read_flag, const char **err_str)
 {
+	ISampleSelector sample_sel(time);
 	const IPolyMeshSchema::Sample sample = m_schema.getValue(sample_sel);
 
 	const P3fArraySamplePtr &positions = sample.getPositions();
@@ -1092,7 +1092,7 @@ DerivedMesh *AbcMeshReader::read_derivedmesh(DerivedMesh *dm,
 	}
 
 	CDStreamConfig config = get_config(new_dm ? new_dm : dm);
-	config.time = sample_sel.getRequestedTime();
+	config.time = time;
 
 	bool do_normals = false;
 	read_mesh_sample(&settings, m_schema, sample_sel, config, do_normals);
@@ -1239,7 +1239,7 @@ bool AbcSubDReader::valid() const
 	return m_schema.valid();
 }
 
-void AbcSubDReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel)
+void AbcSubDReader::readObjectData(Main *bmain, float time)
 {
 	Mesh *mesh = BKE_mesh_add(bmain, m_data_name.c_str());
 
@@ -1247,7 +1247,7 @@ void AbcSubDReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSelec
 	m_object->data = mesh;
 
 	DerivedMesh *dm = CDDM_from_mesh(mesh);
-	DerivedMesh *ndm = this->read_derivedmesh(dm, sample_sel, MOD_MESHSEQ_READ_ALL, NULL);
+	DerivedMesh *ndm = this->read_derivedmesh(dm, time, MOD_MESHSEQ_READ_ALL, NULL);
 
 	if (ndm != dm) {
 		dm->release(dm);
@@ -1255,6 +1255,7 @@ void AbcSubDReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSelec
 
 	DM_to_mesh(ndm, mesh, m_object, CD_MASK_MESH, true);
 
+	const ISampleSelector sample_sel(time);
 	const ISubDSchema::Sample sample = m_schema.getValue(sample_sel);
 	Int32ArraySamplePtr indices = sample.getCreaseIndices();
 	Alembic::Abc::FloatArraySamplePtr sharpnesses = sample.getCreaseSharpnesses();
@@ -1285,11 +1286,9 @@ void AbcSubDReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSelec
 	}
 }
 
-DerivedMesh *AbcSubDReader::read_derivedmesh(DerivedMesh *dm,
-                                             const ISampleSelector &sample_sel,
-                                             int read_flag,
-                                             const char **err_str)
+DerivedMesh *AbcSubDReader::read_derivedmesh(DerivedMesh *dm, const float time, int read_flag, const char **err_str)
 {
+	ISampleSelector sample_sel(time);
 	const ISubDSchema::Sample sample = m_schema.getValue(sample_sel);
 
 	const P3fArraySamplePtr &positions = sample.getPositions();
@@ -1329,7 +1328,7 @@ DerivedMesh *AbcSubDReader::read_derivedmesh(DerivedMesh *dm,
 
 	/* Only read point data when streaming meshes, unless we need to create new ones. */
 	CDStreamConfig config = get_config(new_dm ? new_dm : dm);
-	config.time = sample_sel.getRequestedTime();
+	config.time = time;
 	read_subd_sample(&settings, m_schema, sample_sel, config);
 
 	if (new_dm) {
diff --git a/source/blender/alembic/intern/abc_mesh.h b/source/blender/alembic/intern/abc_mesh.h
index 1b67c80cc72..64a3109232c 100644
--- a/source/blender/alembic/intern/abc_mesh.h
+++ b/source/blender/alembic/intern/abc_mesh.h
@@ -100,12 +100,9 @@ public:
 
 	bool valid() const;
 
-	void readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel);
+	void readObjectData(Main *bmain, float time);
 
-	DerivedMesh *read_derivedmesh(DerivedMesh *dm,
-	                              const Alembic::Abc::ISampleSelector &sample_sel,
-	                              int read_flag,
-	                              const char **err_str);
+	DerivedMesh *read_derivedmesh(DerivedMesh *dm, const float time, int read_flag, const char **err_str);
 
 private:
 	void readFaceSetsSample(Main *bmain, Mesh *mesh, size_t poly_start,
@@ -124,11 +121,8 @@ public:
 
 	bool valid() const;
 
-	void readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel);
-	DerivedMesh *read_derivedmesh(DerivedMesh *dm,
-	                              const Alembic::Abc::ISampleSelector &sample_sel,
-	                              int read_flag,
-	                              const char **err_str);
+	void readObjectData(Main *bmain, float time);
+	DerivedMesh *read_derivedmesh(DerivedMesh *dm, const float time, int read_flag, const char **err_str);
 };
 
 /* ************************************************************************** */
diff --git a/source/blender/alembic/intern/abc_nurbs.cc b/source/blender/alembic/intern/abc_nurbs.cc
index eaef06fd6d1..d0b9561f679 100644
--- a/source/blender/alembic/intern/abc_nurbs.cc
+++ b/source/blender/alembic/intern/abc_nurbs.cc
@@ -239,7 +239,7 @@ static bool set_knots(const FloatArraySamplePtr &knots, float *&nu_knots)
 	return true;
 }
 
-void AbcNurbsReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel)
+void AbcNurbsReader::readObjectData(Main *bmain, float time)
 {
 	Curve *cu = static_cast<Curve *>(BKE_curve_add(bmain, "abc_curve", OB_SURF));
 	cu->actvert = CU_ACT_NONE;
@@ -253,6 +253,7 @@ void AbcNurbsReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSele
 		nu->resolu = cu->resolu;
 		nu->resolv = cu->resolv;
 
+		const ISampleSelector sample_sel(time);
 		const INuPatchSchema &schema = it->first;
 		const INuPatchSchema::Sample smp = schema.getValue(sample_sel);
 
diff --git a/source/blender/alembic/intern/abc_nurbs.h b/source/blender/alembic/intern/abc_nurbs.h
index abe460a8988..1b2e7a8391f 100644
--- a/source/blender/alembic/intern/abc_nurbs.h
+++ b/source/blender/alembic/intern/abc_nurbs.h
@@ -54,7 +54,7 @@ public:
 
 	bool valid() const;
 
-	void readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel);
+	void readObjectData(Main *bmain, float time);
 
 private:
 	void getNurbsPatches(const Alembic::Abc::IObject &obj);
diff --git a/source/blender/alembic/intern/abc_object.cc b/source/blender/alembic/intern/abc_object.cc
index 4c3c060be28..d2698da2cd3 100644
--- a/source/blender/alembic/intern/abc_object.cc
+++ b/source/blender/alembic/intern/abc_object.cc
@@ -160,15 +160,6 @@ void AbcObjectReader::object(Object *ob)
 	m_object = ob;
 }
 
-DerivedMesh *AbcObjectReader::read_derivedmesh(DerivedMesh *dm,
-                                               const Alembic::Abc::ISampleSelector &UNUSED(sample_sel),
-                                               int UNUSED(read_flag),
-                                               const char **UNUSED(err_str))
-{
-	return dm;
-}
-
-
 static Imath::M44d blend_matrices(const Imath::M44d &m0, const Imath::M44d &m1, const float weight)
 {
 	float mat0[4][4], mat1[4][4], ret[4][4];
@@ -224,6 +215,14 @@ Imath::M44d get_matrix(const IXformSchema &schema, const float time)
 	return s0.getMatrix();
 }
 
+DerivedMesh *AbcObjectReader::read_derivedmesh(DerivedMesh *dm,
+                                                       const float UNUSED(time),
+                                                       int UNUSED(read_flag),
+                                                       const char **UNUSED(err_str))
+{
+	return dm;
+}
+
 void AbcObjectReader::setupObjectTransform(const float time)
 {
 	bool is_constant = false;
diff --git a/source/blender/alembic/intern/abc_object.h b/source/blender/alembic/intern/abc_object.h
index c5da84d3c2a..ade232b11e7 100644
--- a/source/blender/alembic/intern/abc_object.h
+++ b/source/blender/alembic/intern/abc_object.h
@@ -170,10 +170,10 @@ public:
 
 	virtual bool valid() const = 0;
 
-	virtual void readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel) = 0;
+	virtual void readObjectData(Main *bmain, float time) = 0;
 
 	virtual DerivedMesh *read_derivedmesh(DerivedMesh *dm,
-	                                      const Alembic::Abc::ISampleSelector &sample_sel,
+	                                      const float time,
 	                                      int read_flag,
 	                                      const char **err_str);
 
diff --git a/source/blender/alembic/intern/abc_points.cc b/source/blender/alembic/intern/abc_points.cc
index d5ecf16b793..fc84759b1d9 100644
--- a/source/blender/alembic/intern/abc_points.cc
+++ b/source/blender/alembic/intern/abc_points.cc
@@ -151,12 +151,12 @@ bool AbcPointsReader::valid() const
 	return m_schema.valid();
 }
 
-void AbcPointsReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel)
+void AbcPointsReader::readObjectData(Main *bmain, float time)
 {
 	Mesh *mesh = BKE_mesh_add(bmain, m_data_name.c_str());
 
 	DerivedMesh *dm = CDDM_from_mesh(mesh);
-	DerivedMesh *ndm = this->read_derivedmesh(dm, sample_sel, 0, NULL);
+	DerivedMesh *ndm = this->read_derivedmesh(dm, time, 0, NULL);
 
 	if (ndm != dm) {
 		dm->release(dm);
@@ -178,7 +178,8 @@ void AbcPointsReader::readObjectData(Main *bmain, const Alembic::Abc::ISampleSel
 
 void read_points_sample(const IPointsSchema &schema,
                         const ISampleSelector &selector,
-                        CDStreamConfig &config)
+                        CDStreamConfig &config,
+                        float time)
 {
 	Alembic::AbcGeom::IPointsSchema::Sample sample = schema.getValue(selector);
 
@@ -188,7 +189,7 @@ void read_points_sample(const IPointsSchema &schema,
 	N3fArraySamplePtr vnormals;
 
 	if (has_property(prop, "N")) {
-		const Alembic::Util::uint32_t itime = static_cast<Alembic::Util::uint32_t>(selector.getRequestedTime());
+		const Alembic::Util::uint32_t itime = static_cast<Alembic::Util::uint32_t>(time);
 		const IN3fArrayProperty &normals_prop = IN3fArrayProperty(prop, "N", itime);
 
 		if (normals_prop) {
@@ -199,11 +200,9 @@ void read_points_sample(const IPointsSchema &schema,
 	read_mverts(config.mvert, positions, vnormals);
 }
 
-DerivedMesh *AbcPointsReader::read_derivedmesh(DerivedMesh *dm,
-                                               const ISampleSelector &sample_sel,
-                                               int /*read_flag*/,
-                                               const char ** /*err_str*/)
+DerivedMesh *AbcPointsReader::read_derivedmesh(DerivedMesh *dm, const float time, int /*read_flag*/, const char ** /*err_str*/)
 {
+	ISampleSelector sample_sel(time);
 	const IPointsSchema::Sample sample = m_schema.getValue(sample_sel);
 
 	const P3fArraySamplePtr &positions = sample.getPositions();
@@ -215,7 +214,7 @@ DerivedMesh *AbcPointsReader::read_derivedmesh(DerivedMesh *dm,
 	}
 
 	CDStreamConfig config = get_config(new_dm ? new_dm : dm);
-	read_points_sample(m_schema, sample_sel, config);
+	read_points_sample(m_schema, sample_sel, config, time);
 
 	return new_dm ? new_dm : dm;
 }
diff --git a/source/blender/alembic/intern/abc_points.h b/source/blender/alembic/intern/abc_points.h
index 1f74351d302..cb68dbca4d5 100644
--- a/source/blender/alembic/intern/abc_points.h
+++ b/source/blender/alembic/intern/abc_points.h
@@ -59,16 +59,14 @@ public:
 
 	bool valid() const;
 
-	void readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel);
+	void readObjectData(Main *bmain, float time);
 
-	DerivedMesh *read_derivedmesh(DerivedMesh *dm,
-	                              const Alembic::Abc::ISampleSelector &sample_sel,
-	                              int read_flag,
-	                              const char **err_str);
+	DerivedMesh *read_derivedmesh(DerivedMesh *dm, const float time, int read_flag, const char **err_str);
 };
 
 void read_points_sample(const Alembic::AbcGeom::IPointsSchema &schema,
                         const Alembic::AbcGeom::ISampleSelector &selector,
-                        CDStreamConfig &config);
+                        CDStreamConfig &config,
+                        float time);
 
 #endif  /* __ABC_POINTS_H__ */
diff --git a/source/blender/alembic/intern/abc_transform.cc b/source/blender/alembic/intern/abc_transform.cc
index c48be361877..6e218cac429 100644
--- a/source/blender/alembic/intern/abc_transform.cc
+++ b/source/blender/alembic/intern/abc_transform.cc
@@ -36,7 +36,6 @@ extern "C" {
 
 using Alembic::AbcGeom::OObject;
 using Alembic::AbcGeom::OXform;
-using Alembic::Abc::ISampleSelector;
 
 /* ************************************************************************** */
 
@@ -154,7 +153,7 @@ bool AbcEmptyReader::valid() const
 	return m_schema.valid();
 }
 
-void AbcEmptyReader::readObjectData(Main *bmain, const ISampleSelector &UNUSED(sample_sel))
+void AbcEmptyReader::readObjectData(Main *bmain, float /*time*/)
 {
 	m_object = BKE_object_add_only_object(bmain, OB_EMPTY,
 	                                      m_object_name.c_str());
diff --git a/source/blender/alembic/intern/abc_transform.h b/source/blender/alembic/intern/abc_transform.h
index f2e2edf8010..59388e155dc 100644
--- a/source/blender/alembic/intern/abc_transform.h
+++ b/source/blender/alembic/intern/abc_transform.h
@@ -69,7 +69,7 @@ public:
 
 	bool valid() const;
 
-	void readObjectData(Main *bmain, const Alembic::Abc::ISampleSelector &sample_sel);
+	void readObjectData(Main *bmain, float time);
 };
 
 #endif  /* __ABC_TRANSFORM_H__ */
diff --git a/source/blender/alembic/intern/alembic_capi.cc b/source/blender/alembic/intern/alembic_capi.cc
index 52a87d7c165..e44f66b7e56 100644
--- a/source/blender/alembic/intern/alembic_capi.cc
+++ b/source/blender/alembic/intern/alembic_capi.cc
@@ -704,13 +704,12 @@ static void import_startjob(void *user_data, short *stop, short *do_update, floa
 	chrono_t min_time = std::numeric_limits<chrono_t>::max();
 	chrono_t max_time = std::numeric_limits<chrono_t>::min();
 
-	ISampleSelector sample_sel(0.0f);
 	std::vector<AbcObjectReader *>::iterator iter;
 	for (iter = data->readers.begin(); iter != data->readers.end(); ++iter) {
 		AbcObjectReader *reader = *iter;
 
 		if (reader->valid()) {
-			reader->readObjectData(data->bmain, sample_sel);
+			reader->readObjectData(data->bmain, 0.0f);
 
 			min_time = std::min(min_time, reader->minTime());
 			max_time = std::max(max_time, reader->maxTime());
@@ -923,7 +922,6 @@ DerivedMesh *ABC_read_mesh(CacheReader *reader,
 	}
 
 	const ObjectHeader &header = iobject.getHeader();
-	ISampleSelector sample_sel(time);
 
 	if (IPolyMesh::matches(header)) {
 		if (ob->type != OB_MESH) {
@@ -931,7 +929,7 @@ DerivedMesh *ABC_read_mesh(CacheReader *reader,
 			return NULL;
 		}
 
-		return abc_reader->read_derivedmesh(dm, sample_sel, read_flag, err_str);
+		return abc_reader->read_derivedmesh(dm, time, read_flag, err_str);
 	}
 	else if (ISubD::matches(header)) {
 		if (ob->type != OB_MESH) {
@@ -939,7 +937,7 @@ DerivedMesh *ABC_read_mesh(CacheReader *reader,
 			return NULL;
 		}
 
-		return abc_reader->read_derivedmesh(dm, sample_sel, read_flag, err_str);
+		return abc_reader->read_derivedmesh(dm, time, read_flag, err_str);
 	}
 	else if (IPoints::matches(header)) {
 		if (ob->type != OB_MESH) {
@@ -947,7 +945,7 @@ DerivedMesh *ABC_read_mesh(CacheReader *reader,
 			return NULL;
 		}
 
-		return abc_reader->read_derivedmesh(dm, sample_sel, read_flag, err_str);
+		return abc_reader->read_derivedmesh(dm, time, read_flag, err_str);
 	}
 	else if (ICurves::matches(header)) {
 		if (ob->type != OB_CURVE) {
@@ -955,7 +953,7 @@ DerivedMesh *ABC_read_mesh(CacheReader *reader,
 			return NULL;
 		}
 
-		return abc_reader->read_derivedmesh(dm, sample_sel, read_flag, err_str);
+		return abc_reader->read_derivedmesh(dm, time, read_flag, err_str);
 	}
 
 	*err_str = "Unsupported object type: verify object path"; // or poke developer