cannon_animation.hpp

//
//  SuperTuxKart - a fun racing game with go-kart
//  Copyright (C) 2012-2015 Joerg Henrichs
//
//  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, write to the Free Software
//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

#ifndef HEADER_CANNON_ANIMATION_HPP
#define HEADER_CANNON_ANIMATION_HPP

#include "karts/abstract_kart_animation.hpp"
#include "utils/vec3.hpp"

#include "LinearMath/btQuaternion.h"

class AbstractKart;
class AnimationBase;
class CheckCannon;
class Flyable;
class Ipo;

class CannonAnimation: public AbstractKartAnimation
{
protected:
friend class KartRewinder;
friend class Flyable;
    // ------------------------------------------------------------------------
    CannonAnimation(AbstractKart* kart, BareNetworkString* buffer);
    // ------------------------------------------------------------------------
    CannonAnimation(Flyable* flyable, BareNetworkString* buffer);
    // ------------------------------------------------------------------------
    void init(Ipo *ipo, const Vec3 &start_left, const Vec3 &start_right,
              const Vec3 &end_left, const Vec3 &end_right, float skid_rot);
    // ------------------------------------------------------------------------
    void initDeltaHeading(float skidding_rotation);
    // ------------------------------------------------------------------------
    void restoreData(BareNetworkString* buffer);

private:
    CheckCannon*   m_check_cannon;

    /* Skidding rotation by the time the kart enter this cannon,
     * will be restored during rewind, */
    float m_skid_rot;

    Vec3           m_delta;

    AnimationBase *m_curve;

    Flyable *m_flyable;

    float m_start_line_length;

    float m_end_line_length;

    float m_fraction_of_line;

    btQuaternion m_delta_heading;

    uint32_t m_current_rotation;

public:
             CannonAnimation(AbstractKart *kart, CheckCannon* cc,
                             float skid_rot);
             CannonAnimation(Flyable *flyable, CheckCannon* cc);
             virtual ~CannonAnimation();
    virtual void  update(int ticks);
    // ------------------------------------------------------------------------
    virtual KartAnimationType getAnimationType() const   { return KAT_CANNON; }
    // ------------------------------------------------------------------------
    virtual void saveState(BareNetworkString* buffer);
    // ------------------------------------------------------------------------
    virtual void restoreState(BareNetworkString* buffer);
};   // CannonAnimation
#endif