GAS_ResizeField.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME:        GAS_ResizeField.h ( GAS Library, C++)
 *
 * COMMENTS:
 */

#ifndef __GAS_ResizeField__
#define __GAS_ResizeField__

#include "GAS_API.h"

#include <UT/UT_ThreadedAlgorithm.h>
#include <GU/GU_Detail.h>

#include "GAS_SubSolver.h"
#include "GAS_Utils.h"

class GU_Detail;
class SIM_RawField;

class GAS_API GAS_ResizeField : public GAS_SubSolver
{
public:
    GET_DATA_FUNC_S("reffield", RefFieldName);
    GET_DATA_FUNC_I("ignoreempty", IgnoreEmpty);
    GET_DATA_FUNC_V3("minpad", MinPad);
    GET_DATA_FUNC_V3("maxpad", MaxPad);
    GET_DATA_FUNC_V3("voxelpad", VoxelPad);
    GET_DATA_FUNC_S(GAS_NAME_FIELD, FieldName);
    GET_DATA_FUNC_V3("size", Size);
    GET_DATA_FUNC_V3("t", Center);
    GET_DATA_FUNC_I("combinefixed", CombineWithFixed);
    GET_DATA_FUNC_I("combineorig", CombineWithOrig);
    GET_DATA_FUNC_B("keepdata", KeepData);
    GET_DATA_FUNC_S(GAS_NAME_TRACKERADDR, TrackerAddress);
    GET_DATA_FUNC_I(GAS_NAME_TRACKERPORT, TrackerPort);
    GET_DATA_FUNC_S(GAS_NAME_JOBNAME, JobName);
    GET_DATA_FUNC_I("fulltiles", FullTileMode);

    // Reduce methods
    enum COMBINE_NAMES
    {
        COMBINE_REPLACE = 0,
        COMBINE_UNION,
        COMBINE_INTERSECT,
        NUM_COMBINE
    };

    /// This function modifies center and size such that tile boundaries of the
    /// given field do not change.
    template<typename FIELDTYPE> 
    static void ensureTileBoundariesAreFixed(UT_Vector3& size,
                                             UT_Vector3& center,
                                             const FIELDTYPE* field);

protected:
    explicit             GAS_ResizeField(const SIM_DataFactory *factory);
                        ~GAS_ResizeField() override;

    // Moves & resizes the field keeping all data.
    bool                 solveGasSubclass(SIM_Engine &engine,
                                SIM_Object *obj,
                                SIM_Time time,
                                SIM_Time timestep) override;

    /// Synchronizes with any distributed nodes our desired
    /// box size, building the maximum of them all.
    void                 synchronizeBoxSizes(const char *dataname,
                                             UT_Vector3 &size,
                                             UT_Vector3 &center,
                                             int slice,
                                             int numslices);

private:
    static const SIM_DopDescription     *getDopDescription();

    DECLARE_STANDARD_GETCASTTOTYPE();
    DECLARE_DATAFACTORY(GAS_ResizeField,
                        GAS_SubSolver,
                        "Gas Resize Field",
                        getDopDescription());
};

#endif