dgBodyMasterList.h

/* Copyright (c) <2003-2011> <Julio Jerez, Newton Game Dynamics>
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */

#if !defined(AFX_DGBODYMASTER_LIST_35290_35290_A510_A865B2CC0789__INCLUDED_)
#define AFX_DGBODYMASTER_LIST_35290_35290_A510_A865B2CC0789__INCLUDED_

#include "hpl1/engine/libraries/newton/core/dg.h"

class dgBody;
class dgConstraint;

class dgBodyMasterListCell {
public:
    dgConstraint *m_joint;
    dgBody *m_bodyNode;
};

class dgBodyMasterListRow : public dgList<dgBodyMasterListCell> {
public:
    dgBodyMasterListRow();
    ~dgBodyMasterListRow();

    dgBody *GetBody() const {
        return m_body;
    }

    void RemoveAllJoints();
    dgListNode *AddJoint(dgConstraint *const joint, dgBody *const body);

    void SortList();

private:
    dgBody *m_body;

    friend class dgBodyMasterList;
};

class dgBodyMasterList : public dgList<dgBodyMasterListRow> {
public:
    dgBodyMasterList(dgMemoryAllocator *const allocator);
    ~dgBodyMasterList();

    void AddBody(dgBody *const body);
    void RemoveBody(dgBody *const body);
    void RemoveConstraint(dgConstraint *const constraint);
    void AttachConstraint(dgConstraint *const constraint, dgBody *const body0, dgBody *const body1);

    dgBodyMasterListRow::dgListNode *FindConstraintLink(const dgBody *const body0, const dgBody *const body1) const;
    dgBodyMasterListRow::dgListNode *FindConstraintLinkNext(const dgBodyMasterListRow::dgListNode *const me, const dgBody *const body) const;

    void SortMasterList();

public:
    dgUnsigned32 m_constraintCount;
};

#endif