/*
  ZynAddSubFX - a software synthesizer
 
  MIDIEvents.C - It stores the midi events from midi file or sequencer
  Copyright (C) 2003-2005 Nasca Octavian Paul
  Author: Nasca Octavian Paul

  This program is free software; you can redistribute it and/or modify
  it under the terms of version 2 of the GNU General Public License 
  as published by the Free Software Foundation.

  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 (version 2) for more details.

  You should have received a copy of the GNU General Public License (version 2)
  along with this program; if not, write to the Free Software Foundation,
  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

*/

#include "MIDIEvents.h"
#include <stdlib.h>
#include <stdio.h>

MIDIEvents::MIDIEvents(){
};

MIDIEvents::~MIDIEvents(){
};


/************** Track stuff ***************/
void MIDIEvents::writeevent(list *l,event *ev){
    listpos *tmp=new listpos;
    tmp->next=NULL;
    tmp->ev=*ev;
    if (l->current!=NULL) l->current->next=tmp;
	else l->first=tmp;
    l->current=tmp;
//    printf("Wx%x ",(int) l->current);
//    printf("-> %d  \n",l->current->ev.deltatime);
    l->size++;
};

void MIDIEvents::readevent(list *l,event *ev){
    if (l->current==NULL) {
	ev->type=-1;
	return;
    };
    *ev=l->current->ev;
    l->current=l->current->next;

    //test
    if (l->current!=NULL) {
//	ev->deltatime=10000;
//	printf("Rx%d\n",l->current->ev.deltatime);
//	printf("Rx%x  ",(int) l->current);
//	printf("-> %d  (next=%x) \n",(int)l->current->ev.deltatime,(int)l->current->next);
    };

};


void MIDIEvents::rewindlist(list *l){
    l->current=l->first;
};

void MIDIEvents::deletelist(list *l){
    l->current=l->first;
    if (l->current==NULL) return;
    while (l->current->next!=NULL){
	listpos *tmp=l->current;
	l->current=l->current->next;
	delete(tmp);
    };
    deletelistreference(l);
};

void MIDIEvents::deletelistreference(list *l){
    l->current=l->first=NULL;
    l->size=0;
    l->length=0.0;
};