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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.
*/
#pragma once
/** \file
* \ingroup balembic
*/
#include <Alembic/Abc/All.h>
#include <Alembic/AbcGeom/All.h>
/**
* \brief The CacheReader struct is only used for anonymous pointers,
* to interface between C and C++ code. This library only creates
* pointers to AbcObjectReader (or subclasses thereof).
*/
struct CacheReader {
int unused;
};
using Alembic::Abc::chrono_t;
struct ID;
struct Object;
namespace blender::io::alembic {
class AbcObjectReader;
struct ImportSettings;
std::string get_id_name(const ID *const id);
std::string get_id_name(const Object *const ob);
std::string get_valid_abc_name(const char *name);
std::string get_object_dag_path_name(const Object *const ob, Object *dupli_parent);
/* Convert from float to Alembic matrix representations. Does NOT convert from Z-up to Y-up. */
Imath::M44d convert_matrix_datatype(float mat[4][4]);
/* Convert from Alembic to float matrix representations. Does NOT convert from Y-up to Z-up. */
void convert_matrix_datatype(const Imath::M44d &xform, float r_mat[4][4]);
void split(const std::string &s, const char delim, std::vector<std::string> &tokens);
template<class TContainer> bool begins_with(const TContainer &input, const TContainer &match)
{
return input.size() >= match.size() && std::equal(match.begin(), match.end(), input.begin());
}
template<typename Schema>
void get_min_max_time_ex(const Schema &schema, chrono_t &min, chrono_t &max)
{
const Alembic::Abc::TimeSamplingPtr &time_samp = schema.getTimeSampling();
if (!schema.isConstant()) {
const size_t num_samps = schema.getNumSamples();
if (num_samps > 0) {
const chrono_t min_time = time_samp->getSampleTime(0);
min = std::min(min, min_time);
const chrono_t max_time = time_samp->getSampleTime(num_samps - 1);
max = std::max(max, max_time);
}
}
}
template<typename Schema>
void get_min_max_time(const Alembic::AbcGeom::IObject &object,
const Schema &schema,
chrono_t &min,
chrono_t &max)
{
get_min_max_time_ex(schema, min, max);
const Alembic::AbcGeom::IObject &parent = object.getParent();
if (parent.valid() && Alembic::AbcGeom::IXform::matches(parent.getMetaData())) {
Alembic::AbcGeom::IXform xform(parent, Alembic::AbcGeom::kWrapExisting);
get_min_max_time_ex(xform.getSchema(), min, max);
}
}
bool has_property(const Alembic::Abc::ICompoundProperty &prop, const std::string &name);
float get_weight_and_index(float time,
const Alembic::AbcCoreAbstract::TimeSamplingPtr &time_sampling,
int samples_number,
Alembic::AbcGeom::index_t &i0,
Alembic::AbcGeom::index_t &i1);
AbcObjectReader *create_reader(const Alembic::AbcGeom::IObject &object, ImportSettings &settings);
/* *************************** */
#undef ABC_DEBUG_TIME
class ScopeTimer {
const char *m_message;
double m_start;
public:
ScopeTimer(const char *message);
~ScopeTimer();
};
#ifdef ABC_DEBUG_TIME
# define SCOPE_TIMER(message) ScopeTimer prof(message)
#else
# define SCOPE_TIMER(message)
#endif
/* *************************** */
/**
* Utility class whose purpose is to more easily log related information. An
* instance of the SimpleLogger can be created in any context, and will hold a
* copy of all the strings passed to its output stream.
*
* Different instances of the class may be accessed from different threads,
* although accessing the same instance from different threads will lead to race
* conditions.
*/
class SimpleLogger {
std::ostringstream m_stream;
public:
/**
* Return a copy of the string contained in the SimpleLogger's stream.
*/
std::string str() const;
/**
* Remove the bits set on the SimpleLogger's stream and clear its string.
*/
void clear();
/**
* Return a reference to the SimpleLogger's stream, in order to e.g. push
* content into it.
*/
std::ostringstream &stream();
};
#define ABC_LOG(logger) logger.stream()
/**
* Pass the content of the logger's stream to the specified std::ostream.
*/
std::ostream &operator<<(std::ostream &os, const SimpleLogger &logger);
} // namespace blender::io::alembic
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