bvhloader.h

/*
   Copyright (C) 2014 - 2016 Mutzii

   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/>.

*/
#ifndef BVHLOADER_H
#define BVHLOADER_H

#include "index.h"
#include "animationmanager.h"

namespace Engine
{
    class BvhLoader : public AnimationLoader
    {
        public:

        struct StoreState
        {
          NodeAnim * root;                 
          NodeAnim * current;              
          std::vector< NodeAnim * > stack; 
          std::string line;                
          bool ignore;                     
          bool end_site;                   
        };
        using HMStateStore = struct StoreState;

        public:

            BvhLoader();

            ~BvhLoader(){}

            void ReadFile(const string &motion_file, NodeAnimScene * node_anim_scene );

            void ReadHierachy( NodeAnimScene * node_anim_scene );

            void ReadMotion  ( NodeAnimScene * node_anim_scene );

            void prepareByFlags( NodeAnimScene * node_anim_scene );

            void bvh_string_split(const std::string &line, char delim, Strings &items);

            std::string getNodeName(const std::string & line );

            std::string getFirst( const std::string & line );

            Vector3f getOffset( const std::string & line );

            int  getFrames( const std::string & line );

            NodeAnim * getNode( const Vector3f & offset , NodeAnimScene * scene );

            void PrintError( const Vector3f & offset ) throw( std::runtime_error );

            float getNumber( const std::string & item );

        private:

            HMStateStore * mStateStore;
    };


}

#endif // BVHLOADER_H