GAS_PBDSolve.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_PBDSolve.h ( GAS Library, C++)
 *
 * COMMENTS:
 */

#ifndef __GAS_PBDSolve__
#define __GAS_PBDSolve__

#include "GAS_API.h"

#include <GU/GU_Detail.h>

#include <UT/UT_ThreadedAlgorithm.h>

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

class GU_Detail;
class GAS_SPH;

class GAS_API GAS_PBDSolve : public GAS_SubSolver
{
public:
    GET_DATA_FUNC_S(GAS_NAME_GEOMETRY, GeometryName);
    GET_DATA_FUNC_F("repulsionstiffness", RepulsionStiffness);
    GET_DATA_FUNC_F("repulsionweight", RepulsionWeight);
    GET_DATA_FUNC_F("attractionstiffness", AttractionStiffness);
    GET_DATA_FUNC_F("attractionweight", AttractionWeight);
    GET_DATA_FUNC_I("iterations", Iterations);

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

    /// Moves the fields given by FieldName by the given velocity
    /// field.  Moves the points given by GeometryName likewise.
    bool                 solveGasSubclass(SIM_Engine &engine,
                                SIM_Object *obj,
                                SIM_Time time,
                                SIM_Time timestep) override;

    bool                 shouldMultiThread() { return true; }

protected:
    THREADED_METHOD1(GAS_PBDSolve, shouldMultiThread(), solvePBD,
                                GU_Detail *, gdp)
    void                 solvePBDPartial(GU_Detail *gdp, 
                                const UT_JobInfo &info);

    void                 doSolvePBD(GU_Detail *gdp, GA_Range r);

private:
    static const SIM_DopDescription     *getDopDescription();

    DECLARE_STANDARD_GETCASTTOTYPE();
    DECLARE_DATAFACTORY(GAS_PBDSolve,
                        GAS_SubSolver,
                        "Gas PBD Solve",
                        getDopDescription());
};

#endif