HUSD_PointPrim.h

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/*
 * Copyright 2019 Side Effects Software Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

#ifndef __HUSD_PointPrim_h__
#define __HUSD_PointPrim_h__

#include "HUSD_API.h"
#include "HUSD_DataHandle.h"
#include <UT/UT_Array.h>
#include <UT/UT_ArrayStringSet.h>
#include <GA/GA_Attribute.h>
#include <GU/GU_Detail.h>

class HUSD_TimeCode;
class UT_Options;

class HUSD_API HUSD_PointPrim
{
public:
    static bool          extractTransforms(HUSD_AutoAnyLock &readlock,
                                const UT_StringRef &primpath,
                                UT_Vector3FArray &positions,
                                UT_Array<UT_QuaternionF> *orients,
                                UT_Vector3FArray *scales,
                                bool *istimesampled,
                                const HUSD_TimeCode &timecode,
                                const UT_Matrix4D *transform = nullptr);

    static bool          extractTransforms(HUSD_AutoAnyLock &readlock,
                                const UT_StringRef &primpath,
                                UT_Matrix4DArray &xforms,
                                bool *istimesampled,
                                const HUSD_TimeCode &timecode,
                                const UT_Matrix4D *transform = nullptr);

    static bool          transformInstances(HUSD_AutoWriteLock &writelock,
                                const UT_StringRef &primpath,
                                const UT_IntArray &indices,
                                const UT_Array<UT_Matrix4D> &xforms,
                                const HUSD_TimeCode &timecode);

    static bool          scatterArrayAttributes(
                                HUSD_AutoWriteLock &writelock,
                                const UT_StringRef &primpath,
                                const UT_ArrayStringSet &attribnames,
                                const HUSD_TimeCode &timecode,
                                const UT_StringArray &targetprimpaths,
                                const UT_Int64Array *srcdataindices = nullptr);

    static bool          scatterSopArrayAttributes(
                                HUSD_AutoWriteLock &writelock,
                                const GU_Detail *gdp,
                                const GA_PointGroup *group,
                                const UT_Array<const GA_Attribute*> &attribs,
                                const HUSD_TimeCode &timecode,
                                const UT_StringArray &targetprimpaths);

    static bool          copySopArrayAttributes(
                                HUSD_AutoWriteLock &writelock,
                                const GU_Detail *gdp,
                                const GA_PointGroup *group,
                                const UT_Array<const GA_Attribute*> &attribs,
                                const HUSD_TimeCode &timecode,
                                const UT_StringRef &targetprimpath);

};

#endif