player.h

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/* player - player for collection of gestures (lists of mvectors) 
* Ludek Pokluda, xpokluda@fi.muni.cz
* v0.0.3 30.03.2005 
* 
* Delta changed -> compute exact delta time //nothing changed in this file, only in cpp
*
* v0.0.4 10.10.2005
* Step is split in
* Step_forward, Step_backward 
*/
#ifndef _PLAYER_
#define _PLAYER_

#include "collection.h"
#include <vector>


namespace mv{
#define DEFAULT_FREQ 5000

//enum DirT={BACKWARD,FORWARD};

class CPlayer{
    //MVectList *ActList; //actual list of mvectors
    //CCollection *ActCollection; //actual list of gestures 
    //CMVect *ActVect; //actual mvector
    long int ActGesture; //actual 
    long int ActVect; //actual mvector
    gmVector3 ActPos; //actual position   
    gmVector3 ActVel; //actual velocity, actual only in start or end of vect, user for smooth connection of mvectors
    gmVector3 StartPos; //starting position on actual vector (for recomputing relative position)
    double ActT; //actual time on vector 
    bool Loop; //play in loop
    bool All; //play all/one
    bool Play; //true for play, false for stop
    bool Pause; //simply pause playing
    bool Force; //true for return force, false for return position 
    bool Direction; //true for forward, false for backward 
    unsigned int Freq; //playing frequency
    double Delta; //playing time - we can compute it from frequency, but better is to measure it

public:
    std::vector <CGesture *> ActCollection; //actual list of gestures 
    
    CPlayer();
//  CPlayer(CCollection *newcollection);
    ~CPlayer();

//  void addCollection(CCollection *newcollection);
//  void removeCollection();
    void addGesture(CGesture *newgesture);
    void delGesture();
    void delAllGestures();

//  void delAllVect();
//  void delVectFromActToEnd();
//  void delVectFromActToHead();
//  void splitVect(); //create two vector from act vector 
    
//  CMVect *getActVect();
//  CCollection *getActCollection() {return ActCollection;};
    gmVector3 getActPos() {return ActPos;}
    gmVector3 getActVel() {return ActVel;}
    unsigned int getActGesture() {return ActGesture;}; //info only
    unsigned int getActVect() {return ActVect;}; //info only
    double getActT() {return ActT;}; //info only
    bool getLoop() {return Loop;}   std::vector <CGesture *>::iterator i;

    void setLoop(bool val) {Loop = val;}
    bool getAll() {return All;}
    void setAll(bool val) {All = val;}
    bool getPlay() {return Play;}
    void setPlay(bool val) {Play = val;}
    bool getPause() {return Pause;}
    void setPause(bool val) {Pause = val;}
    bool getForce() {return Force;}
    void setForce(bool val) {Force = val;}
    bool getDirection() {return Direction;}
    //void setDirection(DirT val) {Direction = val;}
    void setDirection(bool val) {Direction = val;}


    gmVector3 ControlPosition(gmVector3 Pos); //control if Pos is in workspace, return projection to workspace
    gmVector3 ComputeForce(gmVector3 DevicePos, gmVector3 DeviceVel, gmVector3 Pos); //compute force from device position and velocity and act position on mvector

    gmVector3 Step_forward(gmVector3 &r,double &wtime,bool &rflag,double &p,double &v0, double &v1, double &l); //go to next vector, gesture
    gmVector3 Step_backward(gmVector3 &r,double &wtime,bool &rflag,double &p,double &v0, double &v1, double &l);  //go to previous vector, gesture
    gmVector3 Step(); //return only pos //for animation
    gmVector3 Step(gmVector3 DevicePos,gmVector3 DeviceVel); //return position or force 

/*
    gmVector3 PosPlayAll(); //go through whole list of mvector, return position
    gmVector3 PosPlayAct(); //play only act mvector, return position 
    gmVector3 ForcePlayAll(); //go through whole list of mvector, return force
    gmVector3 ForcePlayAct(); //play only act mvector, return force 
    */

};

double ActTtoP(double t,double v0, double v1,double l); //from ActT (actual time on vector) to param in  <0,1>

double PtoActT(double p,double v0, double v1,double l);  //form param in <0,1> to ActT (actual time on vector)

}//namespace mv
#endif