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/*
* 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) 2019 Blender Foundation.
* All rights reserved.
*/
#include "blenloader/blendfile_loading_base_test.h"
#include "intern/abstract_hierarchy_iterator.h"
extern "C" {
#include "BLI_math.h"
#include "DEG_depsgraph.h"
#include "DNA_object_types.h"
}
#include <map>
#include <set>
/* Mapping from ID.name to set of export hierarchy path. Duplicated objects can be exported
* multiple times with different export paths, hence the set. */
typedef std::map<std::string, std::set<std::string>> created_writers;
using namespace USD;
class TestHierarchyWriter : public AbstractHierarchyWriter {
public:
std::string writer_type;
created_writers &writers_map;
TestHierarchyWriter(const std::string &writer_type, created_writers &writers_map)
: writer_type(writer_type), writers_map(writers_map)
{
}
void write(HierarchyContext &context) override
{
const char *id_name = context.object->id.name;
created_writers::mapped_type &writers = writers_map[id_name];
if (writers.find(context.export_path) != writers.end()) {
ADD_FAILURE() << "Unexpectedly found another " << writer_type << " writer for " << id_name
<< " to export to " << context.export_path;
}
writers.insert(context.export_path);
}
};
void debug_print_writers(const char *label, const created_writers &writers_map)
{
printf("%s:\n", label);
for (auto idname_writers : writers_map) {
printf(" %s:\n", idname_writers.first.c_str());
for (const std::string &export_path : idname_writers.second) {
printf(" - %s\n", export_path.c_str());
}
}
}
class TestingHierarchyIterator : public AbstractHierarchyIterator {
public: /* Public so that the test cases can directly inspect the created writers. */
created_writers transform_writers;
created_writers data_writers;
created_writers hair_writers;
created_writers particle_writers;
public:
explicit TestingHierarchyIterator(Depsgraph *depsgraph) : AbstractHierarchyIterator(depsgraph)
{
}
virtual ~TestingHierarchyIterator()
{
}
protected:
AbstractHierarchyWriter *create_transform_writer(const HierarchyContext *context) override
{
return new TestHierarchyWriter("transform", transform_writers);
}
AbstractHierarchyWriter *create_data_writer(const HierarchyContext *context) override
{
return new TestHierarchyWriter("data", data_writers);
}
AbstractHierarchyWriter *create_hair_writer(const HierarchyContext *context) override
{
return new TestHierarchyWriter("hair", hair_writers);
}
AbstractHierarchyWriter *create_particle_writer(const HierarchyContext *context) override
{
return new TestHierarchyWriter("particle", particle_writers);
}
void delete_object_writer(AbstractHierarchyWriter *writer) override
{
delete writer;
}
};
class USDHierarchyIteratorTest : public BlendfileLoadingBaseTest {
protected:
TestingHierarchyIterator *iterator;
virtual void SetUp()
{
BlendfileLoadingBaseTest::SetUp();
iterator = nullptr;
}
virtual void TearDown()
{
iterator_free();
BlendfileLoadingBaseTest::TearDown();
}
/* Create a test iterator. */
void iterator_create()
{
iterator = new TestingHierarchyIterator(depsgraph);
}
/* Free the test iterator if it is not nullptr. */
void iterator_free()
{
if (iterator == nullptr) {
return;
}
delete iterator;
iterator = nullptr;
}
};
TEST_F(USDHierarchyIteratorTest, ExportHierarchyTest)
{
/* Load the test blend file. */
if (!blendfile_load("usd/usd_hierarchy_export_test.blend")) {
return;
}
depsgraph_create(DAG_EVAL_RENDER);
iterator_create();
iterator->iterate_and_write();
// Mapping from object name to set of export paths.
created_writers expected_transforms = {
{"OBCamera", {"/Camera"}},
{"OBDupli1", {"/Dupli1"}},
{"OBDupli2", {"/ParentOfDupli2/Dupli2"}},
{"OBGEO_Ear_L",
{"/Dupli1/GEO_Head-0/GEO_Ear_L-1",
"/Ground plane/OutsideDupliGrandParent/OutsideDupliParent/GEO_Head/GEO_Ear_L",
"/ParentOfDupli2/Dupli2/GEO_Head-0/GEO_Ear_L-1"}},
{"OBGEO_Ear_R",
{"/Dupli1/GEO_Head-0/GEO_Ear_R-2",
"/Ground plane/OutsideDupliGrandParent/OutsideDupliParent/GEO_Head/GEO_Ear_R",
"/ParentOfDupli2/Dupli2/GEO_Head-0/GEO_Ear_R-2"}},
{"OBGEO_Head",
{"/Dupli1/GEO_Head-0",
"/Ground plane/OutsideDupliGrandParent/OutsideDupliParent/GEO_Head",
"/ParentOfDupli2/Dupli2/GEO_Head-0"}},
{"OBGEO_Nose",
{"/Dupli1/GEO_Head-0/GEO_Nose-3",
"/Ground plane/OutsideDupliGrandParent/OutsideDupliParent/GEO_Head/GEO_Nose",
"/ParentOfDupli2/Dupli2/GEO_Head-0/GEO_Nose-3"}},
{"OBGround plane", {"/Ground plane"}},
{"OBOutsideDupliGrandParent", {"/Ground plane/OutsideDupliGrandParent"}},
{"OBOutsideDupliParent", {"/Ground plane/OutsideDupliGrandParent/OutsideDupliParent"}},
{"OBParentOfDupli2", {"/ParentOfDupli2"}}};
EXPECT_EQ(expected_transforms, iterator->transform_writers);
created_writers expected_data = {
{"OBCamera", {"/Camera/Camera"}},
{"OBGEO_Ear_L",
{"/Dupli1/GEO_Head-0/GEO_Ear_L-1/Ear",
"/Ground plane/OutsideDupliGrandParent/OutsideDupliParent/GEO_Head/GEO_Ear_L/Ear",
"/ParentOfDupli2/Dupli2/GEO_Head-0/GEO_Ear_L-1/Ear"}},
{"OBGEO_Ear_R",
{"/Dupli1/GEO_Head-0/GEO_Ear_R-2/Ear",
"/Ground plane/OutsideDupliGrandParent/OutsideDupliParent/GEO_Head/GEO_Ear_R/Ear",
"/ParentOfDupli2/Dupli2/GEO_Head-0/GEO_Ear_R-2/Ear"}},
{"OBGEO_Head",
{"/Dupli1/GEO_Head-0/Face",
"/Ground plane/OutsideDupliGrandParent/OutsideDupliParent/GEO_Head/Face",
"/ParentOfDupli2/Dupli2/GEO_Head-0/Face"}},
{"OBGEO_Nose",
{"/Dupli1/GEO_Head-0/GEO_Nose-3/Nose",
"/Ground plane/OutsideDupliGrandParent/OutsideDupliParent/GEO_Head/GEO_Nose/Nose",
"/ParentOfDupli2/Dupli2/GEO_Head-0/GEO_Nose-3/Nose"}},
{"OBGround plane", {"/Ground plane/Plane"}},
{"OBParentOfDupli2", {"/ParentOfDupli2/Icosphere"}},
};
EXPECT_EQ(expected_data, iterator->data_writers);
// The scene has no hair or particle systems.
EXPECT_EQ(0, iterator->hair_writers.size());
EXPECT_EQ(0, iterator->particle_writers.size());
}
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