MovementTypedefs.h

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * 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 2 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/>.
 */
 
#ifndef TRINITYSERVER_TYPEDEFS_H
#define TRINITYSERVER_TYPEDEFS_H
 
#include "Common.h"
 
namespace G3D
{
    class Vector3;
    class Vector4;
}
 
namespace Movement
{
    using G3D::Vector3;
    using G3D::Vector4;
 
    inline uint32 SecToMS(float sec)
    {
        return static_cast<uint32>(sec * 1000.f);
    }
 
    inline float MSToSec(uint32 ms)
    {
        return ms / 1000.f;
    }
 
    float computeFallTime(float path_length, bool isSafeFall);
    float computeFallElevation(float t_passed, bool isSafeFall, float start_velocity = 0.0f);
 
    template<class T, T limit>
    class counter
    {
    public:
        counter() { init(); }
 
        void Increase()
        {
            if (m_counter == limit)
                init();
            else
                ++m_counter;
        }
 
        T NewId() { Increase(); return m_counter; }
        T getCurrent() const { return m_counter; }
 
    private:
        void init() { m_counter = 0; }
        T m_counter;
    };
 
    typedef counter<uint32, 0xFFFFFFFF> UInt32Counter;
 
    TC_GAME_API extern float gravity;
    TC_GAME_API extern UInt32Counter splineIdGen;
}
 
#endif // TRINITYSERVER_TYPEDEFS_H