PhysicsMaterialNewton.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
 
/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of HPL1 Engine.
 */
 
#ifndef HPL_PHYSICS_MATERIAL_NEWTON_H
#define HPL_PHYSICS_MATERIAL_NEWTON_H
 
#include "hpl1/engine/libraries/newton/Newton.h"
 
#include "hpl1/engine/physics/PhysicsMaterial.h"
 
namespace hpl {
 
class iPhysicsBody;
class cPhysicsContactData;
 
class cPhysicsMaterialNewton : public iPhysicsMaterial {
public:
    cPhysicsMaterialNewton(const tString &asName, iPhysicsWorld *apWorld, int alMatId = -1);
    ~cPhysicsMaterialNewton();
 
    void SetElasticity(float afElasticity);
    float GetElasticity() const;
    void SetStaticFriction(float afElasticity);
    float GetStaticFriction() const;
    void SetKineticFriction(float afElasticity);
    float GetKineticFriction() const;
 
    void SetFrictionCombMode(ePhysicsMaterialCombMode aMode);
    ePhysicsMaterialCombMode GetFrictionCombMode() const;
    void SetElasticityCombMode(ePhysicsMaterialCombMode aMode);
    ePhysicsMaterialCombMode GetElasticityCombMode() const;
 
    void UpdateMaterials();
 
    int GetId() { return mlMaterialId; }
 
private:
    float Combine(ePhysicsMaterialCombMode aMode, float afX, float afY);
 
    static int BeginContactCallback(const NewtonMaterial *material,
                                    const NewtonBody *apBody1, const NewtonBody *apBody2, int32);
    static void ProcessContactCallback(const NewtonJoint *joint, float, int32);
 
    NewtonWorld *mpNewtonWorld;
 
    int mlMaterialId;
 
    ePhysicsMaterialCombMode mFrictionMode;
    ePhysicsMaterialCombMode mElasticityMode;
 
    float mfElasticity;
    float mfStaticFriction;
    float mfKineticFriction;
};
 
} // namespace hpl
 
#endif // HPL_PHYSICS_MATERIAL_NEWTON_H