GAS/GAS_BuildCollisionMask.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.
 *
 * Produced by:
 *      Jeff Lait
 *      Side Effects Software Inc
 *      123 Front Street West, Suite 1401
 *      Toronto, Ontario
 *      Canada   M5J 2M2
 *      416-504-9876
 *
 * NAME:        GAS_BuildCollisionMask.h ( GAS Library, C++)
 *
 * COMMENTS:
 */

#ifndef __GAS_BuildCollisionMask__
#define __GAS_BuildCollisionMask__

#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_VectorField;
class SIM_IndexField;

class GAS_API GAS_BuildCollisionMask : public GAS_SubSolver
{
public:
    GET_DATA_FUNC_S(GAS_NAME_FIELD, FieldName);
    GET_DATA_FUNC_S(GAS_NAME_COLLISION, CollisionName);
    GET_DATA_FUNC_S(GAS_NAME_COLLISIONVELOCITY, CollisionVelocityName);
    GET_DATA_FUNC_S(GAS_NAME_INDEX, IndexFieldName);
    GETSET_DATA_FUNCS_B("usepointvelocity", UsePointVelocity);
    GETSET_DATA_FUNCS_B("usevolumevelocity", UseSDFVelocity);
    GETSET_DATA_FUNCS_B("allownonsdf", AllowNonSDF);

    GET_DATA_FUNC_B("usebandwidth", UseBandwidth);
    GET_DATA_FUNC_F("bandwidth", Bandwidth);
    GET_DATA_FUNC_B("clamptobandwidth", ClampToBandwidth);

    GET_DATA_FUNC_F("particlebandwidth", ParticleBandwidth);
protected:
    explicit             GAS_BuildCollisionMask(const SIM_DataFactory *factory);
    virtual             ~GAS_BuildCollisionMask();

    /// Builds the collision mask for all collider affectors.
    virtual bool         solveGasSubclass(SIM_Engine &engine,
                                SIM_Object *obj,
                                SIM_Time time,
                                SIM_Time timestep);

    void                 buildCollisionMask(SIM_Object *obj,
                                    SIM_ScalarField *collisionmask,
                                    SIM_VectorField *collisionvel,
                                    SIM_IndexField *index);

private:
    static const SIM_DopDescription     *getDopDescription();

    DECLARE_STANDARD_GETCASTTOTYPE();
    DECLARE_DATAFACTORY(GAS_BuildCollisionMask,
                        GAS_SubSolver,
                        "Gas BuildCollisionMask",
                        getDopDescription());
};

#endif

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