/* vim: set ts=4 sts=4 sw=4 noet : */
#include "general.h"
#include<stdio.h>
#include "io.h"
#include "vertex.h"
#include "bond.h"
#include<string.h>
#include<stdlib.h>
#include <sys/types.h>
#include <dirent.h>
#include "initial_distribution.h"
#include "poly.h"
#include "cell.h"
#include <getopt.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <snapshot.h>
/** DUMP STATE TO DISK DRIVE **/

ts_bool dump_state(ts_vesicle *vesicle, ts_uint iteration){

    /* save current state with wrong pointers. Will fix that later */
    ts_uint i,j,k;
    FILE *fh=fopen(command_line_args.dump_fullfilename,"wb");

    /* dump vesicle */
    fwrite(vesicle, sizeof(ts_vesicle)-sizeof(ts_double),1,fh);
    /* dump vertex list */
    fwrite(vesicle->vlist, sizeof(ts_vertex_list),1,fh);
    /* dump bond list */
    fwrite(vesicle->blist, sizeof(ts_bond_list),1,fh);
    /* dump triangle list */
    fwrite(vesicle->tlist, sizeof(ts_triangle_list),1,fh);
    /* dump cell list */
    fwrite(vesicle->clist, sizeof(ts_cell_list),1,fh);
    /* dump poly list */
    fwrite(vesicle->poly_list, sizeof(ts_poly_list),1,fh);
    /* dump filament list */
    fwrite(vesicle->filament_list, sizeof(ts_poly_list),1,fh);
    /* level 1 complete */

    /*dump vertices*/
    for(i=0;i<vesicle->vlist->n;i++){
        fwrite(vesicle->vlist->vtx[i],sizeof(ts_vertex),1,fh);
        /* dump pointer offsets for:
                    neigh
                    bond
                    tria
                    cell is ignored
        */
        for(j=0;j<vesicle->vlist->vtx[i]->neigh_no;j++){
            fwrite(&vesicle->vlist->vtx[i]->neigh[j]->idx,sizeof(ts_uint),1,fh); 
        }
        for(j=0;j<vesicle->vlist->vtx[i]->bond_no;j++){
            fwrite(&vesicle->vlist->vtx[i]->bond[j]->idx,sizeof(ts_uint),1,fh); 
        }
        for(j=0;j<vesicle->vlist->vtx[i]->tristar_no;j++){
            fwrite(&vesicle->vlist->vtx[i]->tristar[j]->idx,sizeof(ts_uint),1,fh); 
        }
    }

    /*dump bonds*/
    for(i=0;i<vesicle->blist->n;i++){
        fwrite(vesicle->blist->bond[i],sizeof(ts_bond),1,fh);
        /* dump pointer offsets for vtx1 and vtx2 */
        //off=(ts_ulong)(vesicle->blist->bond[i]->vtx1-vesicle->vlist->vtx[0]);
        fwrite(&vesicle->blist->bond[i]->vtx1->idx,sizeof(ts_uint),1,fh); 
        //off=(ts_ulong)(vesicle->blist->bond[i]->vtx2-vesicle->vlist->vtx[0]);
        fwrite(&vesicle->blist->bond[i]->vtx2->idx,sizeof(ts_uint),1,fh); 
    }

    /*dump triangles*/
    for(i=0;i<vesicle->tlist->n;i++){
        fwrite(vesicle->tlist->tria[i],sizeof(ts_triangle),1,fh);
        /* dump pointer offsets for vertex */
        fwrite(&vesicle->tlist->tria[i]->vertex[0]->idx,sizeof(ts_uint),1,fh); 
        fwrite(&vesicle->tlist->tria[i]->vertex[1]->idx,sizeof(ts_uint),1,fh); 
        fwrite(&vesicle->tlist->tria[i]->vertex[2]->idx,sizeof(ts_uint),1,fh); 
        /* dump pointer offsets for neigh */
        for(j=0;j<vesicle->tlist->tria[i]->neigh_no;j++){
            fwrite(&vesicle->tlist->tria[i]->neigh[j]->idx,sizeof(ts_uint),1,fh); 
        }
    }


    /*dump polymeres */
    for(i=0;i<vesicle->poly_list->n;i++){
        fwrite(vesicle->poly_list->poly[i],sizeof(ts_poly),1,fh);
        fwrite(vesicle->poly_list->poly[i]->vlist,sizeof(ts_vertex_list),1,fh);
        fwrite(vesicle->poly_list->poly[i]->blist,sizeof(ts_bond_list),1,fh);
    } 
     
    /* dump poly vertex(monomer) list*/
    for(i=0;i<vesicle->poly_list->n;i++){
        for(j=0;j<vesicle->poly_list->poly[i]->vlist->n;j++){
            fwrite(vesicle->poly_list->poly[i]->vlist->vtx[j],sizeof(ts_vertex),1,fh);
            /* dump offset for neigh and bond */
            for(k=0;k<vesicle->poly_list->poly[i]->vlist->vtx[j]->neigh_no;k++){
               // off=(ts_ulong)(vesicle->poly_list->poly[i]->vlist->vtx[j]->neigh[k]-vesicle->poly_list->poly[i]->vlist->vtx[0]);
                fwrite(&vesicle->poly_list->poly[i]->vlist->vtx[j]->neigh[k]->idx,sizeof(ts_uint),1,fh); 
            }
            for(k=0;k<vesicle->poly_list->poly[i]->vlist->vtx[j]->bond_no;k++){
                //off=(ts_ulong)(vesicle->poly_list->poly[i]->vlist->vtx[j]->bond[k]-vesicle->poly_list->poly[i]->blist->bond[0]);
                fwrite(&vesicle->poly_list->poly[i]->vlist->vtx[j]->bond[k]->idx,sizeof(ts_uint),1,fh); 
            }
        }
	// grafted vtx on vesicle data dump
		fwrite(&vesicle->poly_list->poly[i]->grafted_vtx->idx, sizeof(ts_uint),1,fh);
    }
    /* dump poly bonds between monomers list*/
    for(i=0;i<vesicle->poly_list->n;i++){
        for(j=0;j<vesicle->poly_list->poly[i]->blist->n;j++){
            fwrite(vesicle->poly_list->poly[i]->blist->bond[j],sizeof(ts_bond),1,fh);
            /* dump vtx1 and vtx2 offsets */
            //off=(ts_ulong)(vesicle->poly_list->poly[i]->blist->bond[j]->vtx1-vesicle->poly_list->poly[i]->vlist->vtx[0]);
            fwrite(&vesicle->poly_list->poly[i]->blist->bond[j]->vtx1->idx,sizeof(ts_uint),1,fh); 
//            off=(ts_ulong)(vesicle->poly_list->poly[i]->blist->bond[j]->vtx2-vesicle->poly_list->poly[i]->vlist->vtx[0]);
            fwrite(&vesicle->poly_list->poly[i]->blist->bond[j]->vtx2->idx,sizeof(ts_uint),1,fh); 
        }
    }


  /*dump filamentes grandes svinjas */
    for(i=0;i<vesicle->filament_list->n;i++){
        fwrite(vesicle->filament_list->poly[i],sizeof(ts_poly),1,fh);
        fwrite(vesicle->filament_list->poly[i]->vlist,sizeof(ts_vertex_list),1,fh);
        fwrite(vesicle->filament_list->poly[i]->blist,sizeof(ts_bond_list),1,fh);
    } 
     
    /* dump filamentes vertex(monomer) list*/
    for(i=0;i<vesicle->filament_list->n;i++){
        for(j=0;j<vesicle->filament_list->poly[i]->vlist->n;j++){
            fwrite(vesicle->filament_list->poly[i]->vlist->vtx[j],sizeof(ts_vertex),1,fh);
            /* dump offset for neigh and bond */
            for(k=0;k<vesicle->filament_list->poly[i]->vlist->vtx[j]->neigh_no;k++){
               // off=(ts_ulong)(vesicle->poly_list->poly[i]->vlist->vtx[j]->neigh[k]-vesicle->poly_list->poly[i]->vlist->vtx[0]);
                fwrite(&vesicle->filament_list->poly[i]->vlist->vtx[j]->neigh[k]->idx,sizeof(ts_uint),1,fh); 
            }
            for(k=0;k<vesicle->filament_list->poly[i]->vlist->vtx[j]->bond_no;k++){
                //off=(ts_ulong)(vesicle->poly_list->poly[i]->vlist->vtx[j]->bond[k]-vesicle->poly_list->poly[i]->blist->bond[0]);
                fwrite(&vesicle->filament_list->poly[i]->vlist->vtx[j]->bond[k]->idx,sizeof(ts_uint),1,fh); 
            }
        }
    }
    /* dump poly bonds between monomers list*/
    for(i=0;i<vesicle->filament_list->n;i++){
        for(j=0;j<vesicle->filament_list->poly[i]->blist->n;j++){
            fwrite(vesicle->filament_list->poly[i]->blist->bond[j],sizeof(ts_bond),1,fh);
            /* dump vtx1 and vtx2 offsets */
            //off=(ts_ulong)(vesicle->poly_list->poly[i]->blist->bond[j]->vtx1-vesicle->poly_list->poly[i]->vlist->vtx[0]);
            fwrite(&vesicle->filament_list->poly[i]->blist->bond[j]->vtx1->idx,sizeof(ts_uint),1,fh); 
//            off=(ts_ulong)(vesicle->poly_list->poly[i]->blist->bond[j]->vtx2-vesicle->poly_list->poly[i]->vlist->vtx[0]);
            fwrite(&vesicle->filament_list->poly[i]->blist->bond[j]->vtx2->idx,sizeof(ts_uint),1,fh); 
        }
    }



/* pointer offsets for fixing the restored pointers */
/* need pointers for 
    vlist->vtx
    blist->bond
    tlist->tria
    clist->cell
    poly_list->poly
    and for each poly:
        poly_list->poly->vtx
        poly_list->poly->bond
*/

//	fwrite(vesicle->clist, sizeof(ts_cell_list),1,  fh);
/* write tape information on vesicle */
//    fwrite(vesicle->tape,sizeof(ts_tape),1,fh);
	fwrite(&iteration, sizeof(ts_uint),1,fh);
    fclose(fh);
    return TS_SUCCESS;
}


/** RESTORE DUMP FROM DISK **/
ts_vesicle *restore_state(ts_uint *iteration){
    ts_uint i,j,k;
    FILE *fh=fopen(command_line_args.dump_fullfilename,"rb");

    struct stat sb;
    if (stat(command_line_args.dump_fullfilename, &sb) == -1) {
        //dump file does not exist.
        return NULL;
    }

    //check if it is regular file
    if((sb.st_mode & S_IFMT) != S_IFREG) {
        //dump file is not a regular file.
        ts_fprintf(stderr,"Dump file is not a regular file!\n");
        return NULL;
    }

    ts_uint retval;
	ts_uint idx;

/* we restore all the data from the dump */
    /* restore vesicle */
    ts_vesicle *vesicle=(ts_vesicle *)calloc(1,sizeof(ts_vesicle));
    retval=fread(vesicle, sizeof(ts_vesicle)-sizeof(ts_double),1,fh);
//	fprintf(stderr,"was here! %e\n",vesicle->dmax);

    /* restore vertex list */
    vesicle->vlist=(ts_vertex_list *)malloc(sizeof(ts_vertex_list));
    retval=fread(vesicle->vlist, sizeof(ts_vertex_list),1,fh);
    /* restore bond list */
    vesicle->blist=(ts_bond_list *)malloc(sizeof(ts_bond_list));
    retval=fread(vesicle->blist, sizeof(ts_bond_list),1,fh);
    /* restore triangle list */
    vesicle->tlist=(ts_triangle_list *)malloc(sizeof(ts_triangle_list));
    retval=fread(vesicle->tlist, sizeof(ts_triangle_list),1,fh);
    /* restore cell list */
    vesicle->clist=(ts_cell_list *)malloc(sizeof(ts_cell_list));
    retval=fread(vesicle->clist, sizeof(ts_cell_list),1,fh);
    /* restore poly list */
    vesicle->poly_list=(ts_poly_list *)calloc(1,sizeof(ts_poly_list));
    retval=fread(vesicle->poly_list, sizeof(ts_poly_list),1,fh);
    /* restore filament list */
    vesicle->filament_list=(ts_poly_list *)calloc(1,sizeof(ts_poly_list));
    retval=fread(vesicle->filament_list, sizeof(ts_poly_list),1,fh);
    /* level 1 complete */

/* prerequisity. Bonds must be malloced before vertexes are recreated */
  vesicle->blist->bond=(ts_bond **)calloc(vesicle->blist->n,sizeof(ts_bond *));
    for(i=0;i<vesicle->blist->n;i++){
        vesicle->blist->bond[i]=(ts_bond *)malloc(sizeof(ts_bond));
	}
/* prerequisity. Triangles must be malloced before vertexes are recreated */
  vesicle->tlist->tria=(ts_triangle **)calloc(vesicle->tlist->n,sizeof(ts_triangle *));
    for(i=0;i<vesicle->tlist->n;i++){
        vesicle->tlist->tria[i]=(ts_triangle *)malloc(sizeof(ts_triangle));
}
/* prerequisity. Vertices must be malloced before vertexes are recreated */
    vesicle->vlist->vtx=(ts_vertex **)calloc(vesicle->vlist->n,sizeof(ts_vertex *));
 for(i=0;i<vesicle->vlist->n;i++){
        vesicle->vlist->vtx[i]=(ts_vertex *)malloc(sizeof(ts_vertex));
 }
  /*restore vertices*/
    for(i=0;i<vesicle->vlist->n;i++){
        retval=fread(vesicle->vlist->vtx[i],sizeof(ts_vertex),1,fh);
        /*restore neigh, bond, tristar. Ignoring cell */
        vesicle->vlist->vtx[i]->neigh=(ts_vertex **)calloc(vesicle->vlist->vtx[i]->neigh_no, sizeof(ts_vertex *));
        for(j=0;j<vesicle->vlist->vtx[i]->neigh_no;j++){
            retval=fread(&idx,sizeof(ts_uint),1,fh);
            vesicle->vlist->vtx[i]->neigh[j]=vesicle->vlist->vtx[idx];
        }
        vesicle->vlist->vtx[i]->bond=(ts_bond **)calloc(vesicle->vlist->vtx[i]->bond_no, sizeof(ts_bond *));
        for(j=0;j<vesicle->vlist->vtx[i]->bond_no;j++){
            retval=fread(&idx,sizeof(ts_uint),1,fh);
/* pointer can be assigned only when list of bonds is fully initialized in memory. Thus bondlist popularization must be done before vertex can reference to it */
            vesicle->vlist->vtx[i]->bond[j]=vesicle->blist->bond[idx];    
        }

        vesicle->vlist->vtx[i]->tristar=(ts_triangle **)calloc(vesicle->vlist->vtx[i]->tristar_no, sizeof(ts_triangle *));
        for(j=0;j<vesicle->vlist->vtx[i]->tristar_no;j++){
            retval=fread(&idx,sizeof(ts_uint),1,fh);
/* same comment as above */
            vesicle->vlist->vtx[i]->tristar[j]=vesicle->tlist->tria[idx];
        }

    }

    /*restore bonds*/
   // vesicle->blist->bond=(ts_bond **)calloc(vesicle->blist->n,sizeof(ts_bond *)); // done before.
    for(i=0;i<vesicle->blist->n;i++){
     //   vesicle->blist->bond[i]=(ts_bond *)malloc(sizeof(ts_bond)); //done before.
        retval=fread(vesicle->blist->bond[i],sizeof(ts_bond),1,fh);
        /* restore vtx1 and vtx2 */
        retval=fread(&idx,sizeof(ts_uint),1,fh);
        vesicle->blist->bond[i]->vtx1=vesicle->vlist->vtx[idx];
        retval=fread(&idx,sizeof(ts_uint),1,fh);
        vesicle->blist->bond[i]->vtx2=vesicle->vlist->vtx[idx];
    }

    /*restore triangles*/
//    vesicle->tlist->tria=(ts_triangle **)calloc(vesicle->tlist->n,sizeof(ts_triangle *)); // done before
    for(i=0;i<vesicle->tlist->n;i++){
 //       vesicle->tlist->tria[i]=(ts_triangle *)malloc(sizeof(ts_triangle)); // done before
        retval=fread(vesicle->tlist->tria[i],sizeof(ts_triangle),1,fh);
        /* restore pointers for vertices */
        retval=fread(&idx,sizeof(ts_uint),1,fh);
        vesicle->tlist->tria[i]->vertex[0]=vesicle->vlist->vtx[idx];
        retval=fread(&idx,sizeof(ts_uint),1,fh);
        vesicle->tlist->tria[i]->vertex[1]=vesicle->vlist->vtx[idx];
        retval=fread(&idx,sizeof(ts_uint),1,fh);
        vesicle->tlist->tria[i]->vertex[2]=vesicle->vlist->vtx[idx];
        /* restore pointers for neigh */
	 vesicle->tlist->tria[i]->neigh=(ts_triangle **)malloc(vesicle->tlist->tria[i]->neigh_no*sizeof(ts_triangle *));
        for(j=0;j<vesicle->tlist->tria[i]->neigh_no;j++){
            retval=fread(&idx,sizeof(ts_uint),1,fh);
            vesicle->tlist->tria[i]->neigh[j]=vesicle->tlist->tria[idx];
        }

    }
   
    /*restore cells */
/*TODO: do we need to recalculate cells here? */
/*    vesicle->clist->cell=(ts_cell **)malloc(vesicle->clist->cellno*sizeof(ts_cell *));
    for(i=0;i<vesicle->clist->cellno;i++){
        vesicle->clist->cell[i]=(ts_cell *)malloc(sizeof(ts_cell));
        retval=fread(vesicle->clist->cell[i],sizeof(ts_cell),1,fh);
    }
*/
    /*restore polymeres */
    vesicle->poly_list->poly = (ts_poly **)calloc(vesicle->poly_list->n,sizeof(ts_poly *));
    for(i=0;i<vesicle->poly_list->n;i++){
        vesicle->poly_list->poly[i]=(ts_poly *)calloc(1,sizeof(ts_poly));
        retval=fread(vesicle->poly_list->poly[i],sizeof(ts_poly),1,fh);
        vesicle->poly_list->poly[i]->vlist=(ts_vertex_list *)calloc(1,sizeof(ts_vertex_list));
        retval=fread(vesicle->poly_list->poly[i]->vlist,sizeof(ts_vertex_list),1,fh);
        vesicle->poly_list->poly[i]->blist=(ts_bond_list *)calloc(1,sizeof(ts_bond_list));
        retval=fread(vesicle->poly_list->poly[i]->blist,sizeof(ts_bond_list),1,fh);
	/* initialize adress space for pointers that will hold specific vertices (monomers) and bonds */
        vesicle->poly_list->poly[i]->vlist->vtx=(ts_vertex **)calloc(vesicle->poly_list->poly[i]->vlist->n,sizeof(ts_vertex *));
        vesicle->poly_list->poly[i]->blist->bond=(ts_bond **)calloc(vesicle->poly_list->poly[i]->blist->n,sizeof(ts_bond *));
	 for(j=0;j<vesicle->poly_list->poly[i]->vlist->n;j++){
            vesicle->poly_list->poly[i]->vlist->vtx[j]=(ts_vertex *)malloc(sizeof(ts_vertex));
	}
	for(j=0;j<vesicle->poly_list->poly[i]->blist->n;j++){
            vesicle->poly_list->poly[i]->blist->bond[j]=(ts_bond *)malloc(sizeof(ts_bond));
	}

    } 

     
    /* restore poly vertex(monomer) list*/
    for(i=0;i<vesicle->poly_list->n;i++){
        for(j=0;j<vesicle->poly_list->poly[i]->vlist->n;j++){
            retval=fread(vesicle->poly_list->poly[i]->vlist->vtx[j],sizeof(ts_vertex),1,fh);
           	 
            /* restore neigh and bonds */
            vesicle->poly_list->poly[i]->vlist->vtx[j]->neigh=(ts_vertex **)calloc(vesicle->poly_list->poly[i]->vlist->vtx[j]->neigh_no, sizeof(ts_vertex *));
            for(k=0;k<vesicle->poly_list->poly[i]->vlist->vtx[j]->neigh_no;k++){
                retval=fread(&idx,sizeof(ts_uint),1,fh);
                vesicle->poly_list->poly[i]->vlist->vtx[j]->neigh[k]=vesicle->poly_list->poly[i]->vlist->vtx[idx];
            }
            vesicle->poly_list->poly[i]->vlist->vtx[j]->bond=(ts_bond **)calloc(vesicle->poly_list->poly[i]->vlist->vtx[j]->bond_no, sizeof(ts_bond *));
            for(k=0;k<vesicle->poly_list->poly[i]->vlist->vtx[j]->bond_no;k++){
                retval=fread(&idx,sizeof(ts_uint),1,fh);
                vesicle->poly_list->poly[i]->vlist->vtx[j]->bond[k]=vesicle->poly_list->poly[i]->blist->bond[idx];
            }

        }
	/* restore grafted vtx on vesicle and grafted_poly */
                retval=fread(&idx,sizeof(ts_uint),1,fh);
		vesicle->vlist->vtx[idx]->grafted_poly=vesicle->poly_list->poly[i];
		vesicle->poly_list->poly[i]->grafted_vtx=vesicle->vlist->vtx[idx];	
    }

    /* restore poly bonds between monomers list*/
    for(i=0;i<vesicle->poly_list->n;i++){
        for(j=0;j<vesicle->poly_list->poly[i]->blist->n;j++){
       //     vesicle->poly_list->poly[i]->blist->bond[j]=(ts_bond *)malloc(sizeof(ts_bond));
            retval=fread(vesicle->poly_list->poly[i]->blist->bond[j],sizeof(ts_bond),1,fh);
            /* restore vtx1 and vtx2 */
                retval=fread(&idx,sizeof(ts_uint),1,fh);
                vesicle->poly_list->poly[i]->blist->bond[j]->vtx1=vesicle->poly_list->poly[i]->vlist->vtx[idx];
                retval=fread(&idx,sizeof(ts_uint),1,fh);
                vesicle->poly_list->poly[i]->blist->bond[j]->vtx2=vesicle->poly_list->poly[i]->vlist->vtx[idx];
        }
    }

    /*restore filaments */
    vesicle->filament_list->poly = (ts_poly **)calloc(vesicle->filament_list->n,sizeof(ts_poly *));
    for(i=0;i<vesicle->filament_list->n;i++){
        vesicle->filament_list->poly[i]=(ts_poly *)calloc(1,sizeof(ts_poly));
        retval=fread(vesicle->filament_list->poly[i],sizeof(ts_poly),1,fh);
        vesicle->filament_list->poly[i]->vlist=(ts_vertex_list *)calloc(1,sizeof(ts_vertex_list));
        retval=fread(vesicle->filament_list->poly[i]->vlist,sizeof(ts_vertex_list),1,fh);
        vesicle->filament_list->poly[i]->blist=(ts_bond_list *)calloc(1,sizeof(ts_bond_list));
        retval=fread(vesicle->filament_list->poly[i]->blist,sizeof(ts_bond_list),1,fh);
	/* initialize adress space for pointers that will hold specific vertices (monomers) and bonds */
        vesicle->filament_list->poly[i]->vlist->vtx=(ts_vertex **)calloc(vesicle->filament_list->poly[i]->vlist->n,sizeof(ts_vertex *));
        vesicle->filament_list->poly[i]->blist->bond=(ts_bond **)calloc(vesicle->filament_list->poly[i]->blist->n,sizeof(ts_bond *));
	 for(j=0;j<vesicle->filament_list->poly[i]->vlist->n;j++){
            vesicle->filament_list->poly[i]->vlist->vtx[j]=(ts_vertex *)malloc(sizeof(ts_vertex));
	}
	for(j=0;j<vesicle->filament_list->poly[i]->blist->n;j++){
            vesicle->filament_list->poly[i]->blist->bond[j]=(ts_bond *)malloc(sizeof(ts_bond));
	}

    } 

     
    /* restore poly vertex(monomer) list*/
    for(i=0;i<vesicle->filament_list->n;i++){
        for(j=0;j<vesicle->filament_list->poly[i]->vlist->n;j++){
            retval=fread(vesicle->filament_list->poly[i]->vlist->vtx[j],sizeof(ts_vertex),1,fh);
           	 
            /* restore neigh and bonds */
            vesicle->filament_list->poly[i]->vlist->vtx[j]->neigh=(ts_vertex **)calloc(vesicle->filament_list->poly[i]->vlist->vtx[j]->neigh_no, sizeof(ts_vertex *));
            for(k=0;k<vesicle->filament_list->poly[i]->vlist->vtx[j]->neigh_no;k++){
                retval=fread(&idx,sizeof(ts_uint),1,fh);
                vesicle->filament_list->poly[i]->vlist->vtx[j]->neigh[k]=vesicle->filament_list->poly[i]->vlist->vtx[idx];
            }
            vesicle->filament_list->poly[i]->vlist->vtx[j]->bond=(ts_bond **)calloc(vesicle->filament_list->poly[i]->vlist->vtx[j]->bond_no, sizeof(ts_bond *));
            for(k=0;k<vesicle->filament_list->poly[i]->vlist->vtx[j]->bond_no;k++){
                retval=fread(&idx,sizeof(ts_uint),1,fh);
                vesicle->filament_list->poly[i]->vlist->vtx[j]->bond[k]=vesicle->filament_list->poly[i]->blist->bond[idx];
            }

        }
    }

    /* restore poly bonds between monomers list*/
    for(i=0;i<vesicle->filament_list->n;i++){
        for(j=0;j<vesicle->filament_list->poly[i]->blist->n;j++){
       //     vesicle->poly_list->poly[i]->blist->bond[j]=(ts_bond *)malloc(sizeof(ts_bond));
            retval=fread(vesicle->filament_list->poly[i]->blist->bond[j],sizeof(ts_bond),1,fh);
            /* restore vtx1 and vtx2 */
                retval=fread(&idx,sizeof(ts_uint),1,fh);
                vesicle->filament_list->poly[i]->blist->bond[j]->vtx1=vesicle->filament_list->poly[i]->vlist->vtx[idx];
                retval=fread(&idx,sizeof(ts_uint),1,fh);
                vesicle->filament_list->poly[i]->blist->bond[j]->vtx2=vesicle->filament_list->poly[i]->vlist->vtx[idx];
        }
    }
    vesicle->tape=parsetape(command_line_args.tape_fullfilename);
// recreating space for cells // 
    vesicle->clist=init_cell_list(vesicle->tape->ncxmax, vesicle->tape->ncymax, vesicle->tape->nczmax, vesicle->tape->stepsize);
	vesicle->clist->max_occupancy=8;
//    vesicle->tape=(ts_tape *)malloc(sizeof(ts_tape));
//    retval=fread(vesicle->tape, sizeof(ts_tape),1,fh);
	retval=fread(iteration,sizeof(ts_uint),1,fh);
    if(retval); 
    fclose(fh);
    return vesicle;
}



ts_bool parse_args(int argc, char **argv){
    int c, retval;
    struct stat sb;
    sprintf(command_line_args.path, "./"); //clear string;
    sprintf(command_line_args.output_fullfilename,"output.pvd");
    sprintf(command_line_args.dump_fullfilename,"dump.bin");
    sprintf(command_line_args.tape_fullfilename,"tape");
    sprintf(command_line_args.tape_templatefull,"./tape");
            FILE *file;
    
while (1)
     {
       static struct option long_options[] =
         {
           {"force-from-tape", no_argument,       &(command_line_args.force_from_tape), 1},
	   {"reset-iteration-count", no_argument, &(command_line_args.reset_iteration_count), 1},
           {"tape",     no_argument,       0, 't'},
	   {"version", no_argument, 0, 'v'},
           {"output-file",  required_argument, 0, 'o'},
           {"directory",  required_argument, 0, 'd'},
           {"dump-filename", required_argument,0, 'f'},
           {"tape-options",required_argument,0,'c'},
           {"tape-template", required_argument,0,0},
            {"restore-from-vtk",required_argument,0,0},
           {0, 0, 0, 0}
         };
       /* getopt_long stores the option index here. */
       int option_index = 0;

       c = getopt_long (argc, argv, "d:f:o:t:c:v",
                        long_options, &option_index);

       /* Detect the end of the options. */
       if (c == -1)
         break;

       switch (c)
         {
         case 0:
           /* If this option set a flag, do nothing else now. */
           if (long_options[option_index].flag != 0)
             break;
/*           printf ("option %s", long_options[option_index].name);
           if (optarg)
             printf (" with arg %s", optarg); 
           printf ("\n"); */
            //TODO: find a better way.
            if(strcmp(long_options[option_index].name,"tape-template")==0){
                strcpy(command_line_args.tape_templatefull,optarg);
            }
            if(strcmp(long_options[option_index].name,"restore-from-vtk")==0){
                strcpy(command_line_args.dump_from_vtk,optarg);
            }
           break;
	 case 'v':
		fprintf(stdout,"TRISURF-NG v. %s, compiled on: %s %s.\n", TS_VERSION, __DATE__, __TIME__);
        	fprintf(stdout,"Programming done by: Samo Penic and Miha Fosnaric\n");
        	fprintf(stdout,"Released under terms of GPLv3\n");
		exit(0);

         case 'c':
              strcpy(command_line_args.tape_opts,optarg);
            break;
         case 't': //tape
                strcpy(command_line_args.tape_fullfilename,optarg);
           break;

         case 'o':  //set filename of master pvd output file
            strcpy(command_line_args.output_fullfilename, optarg);
            break;

         case 'd':
            //check if directory exists. If not create one. If creation is
            //successful, set directory for output files.
            //printf ("option -d with value `%s'\n", optarg);
            if (stat(optarg, &sb) == -1) {
                //directory does not exist
                retval=mkdir(optarg, 0700);
                if(retval){
                    fatal("Could not create requested directory. Check if you have permissions",1);
                }
            }
            //check if is a proper directory
            else if((sb.st_mode & S_IFMT) != S_IFDIR) {
                //it is not a directory. fatal error.
                ts_fprintf(stderr,"%s is not a directory!\n",optarg);
                fatal("Cannot continue",1);
            }
            strcpy(command_line_args.path, optarg);
           break;

        case 'f':
            strcpy(command_line_args.dump_fullfilename, optarg);
            break;

         case '?':
           /* getopt_long already printed an error message. */

            ts_fprintf(stderr,"\n\nhere comes the help.\n\n");
            fatal("Ooops, read help first",1);
           break;

         default:
           exit (1);
         }
     }

//Here we set correct values for full filenames!
    char *buffer=(char *)malloc(10000*sizeof(char));
    //correct the path and add trailing /
    if(command_line_args.path[strlen(command_line_args.path)-1]!='/') strcat(command_line_args.path,"/");
   
/* master pvd output file */ 
    strcpy(buffer,command_line_args.path);
    strcat(buffer,command_line_args.output_fullfilename);
    if ((file = fopen(buffer, "w")) == NULL) {
                fprintf(stderr,"Could not create output file %s!\n", buffer);
                fatal("Please specify correct output file or check permissions of the file",1);
                //there is a tape template. make a copy into desired directory
                
            } else {
                fclose(file);
                strcpy(command_line_args.output_fullfilename,buffer);
            }

/* tape file */
    strcpy(buffer,command_line_args.path);
    strcat(buffer,command_line_args.tape_fullfilename);
    if (stat(buffer, &sb) == -1) {

                //tape does not exist. does tape template exist?
                if(stat(command_line_args.tape_templatefull, &sb)==-1){ 
                    ts_fprintf(stderr,"Tape '%s' does not exist and no tape template was specified (or does not exist)!\n",buffer);
                    fatal("Please select correct tape or check permissions of the file",1);
                } else {
                    //tape template found
                    fatal("Samo did not program template copy yet",1); 
                }
            } else {
                strcpy(command_line_args.tape_fullfilename,buffer);
            }


/* dump file */
            strcpy(buffer,command_line_args.path);
            strcat(buffer,command_line_args.dump_fullfilename);
            //check if dump file exist first.
            if (stat(buffer, &sb) == -1) {
                //no dump file. check if we can create one.
                if ((file = fopen(buffer, "w")) == NULL) {
                    fprintf(stderr,"Could not create dump file '%s'!\n",buffer);
                    fatal("Please specify correct dump file or check permissions of the file",1);
                } else {
                    fclose(file);
                    //good, file is writeable. delete it for now.
                    remove(buffer);
                }
            }
            strcpy(command_line_args.dump_fullfilename, buffer);


    free(buffer);
    return TS_SUCCESS;

}



ts_bool print_vertex_list(ts_vertex_list *vlist){
	ts_uint i;
	printf("Number of vertices: %u\n",vlist->n);
	for(i=0;i<vlist->n;i++){
		printf("%u: %f %f %f\n",
vlist->vtx[i]->idx,vlist->vtx[i]->x, vlist->vtx[i]->y, vlist->vtx[i]->z);
	}
	return TS_SUCCESS;
}

ts_bool print_vertex_neighbours(ts_vertex_list *vlist){
	ts_uint i,j;
	ts_vertex **vtx=vlist->vtx;
	printf("Vertex id(neigh no): (neighvertex coord) (neighvertex coord) ...\n");
	for(i=0;i<vlist->n;i++){
		printf("%u(%u): ",vtx[i]->idx,vtx[i]->neigh_no);
		for(j=0;j<vtx[i]->neigh_no;j++){
			printf("(%f,%f,%f)",vtx[i]->neigh[j]->x,
vtx[i]->neigh[j]->y,vtx[i]->neigh[j]->z);
		}
		printf("\n");
	}

return TS_SUCCESS;
}

ts_bool write_vertex_fcompat_file(ts_vertex_list *vlist,ts_char *filename){
	ts_vertex **vtx=vlist->vtx;
	ts_uint i;
	FILE *fh;
	
	fh=fopen(filename, "w");
	if(fh==NULL){
		err("Cannot open file %s for writing");
		return TS_FAIL;
	}
	for(i=0;i<vlist->n;i++)
		fprintf(fh," %E\t%E\t%E\n",vtx[i]->x,vtx[i]->y, vtx[i]->z);

	fclose(fh);
return TS_SUCCESS;
}


ts_bool fprint_vertex_list(FILE *fh,ts_vertex_list *vlist){
    ts_uint i,j;
	for(i=0;i<vlist->n;i++){
		fprintf(fh," %.17E\t%.17E\t%.17E\t%u\n",vlist->vtx[i]->x,
			vlist->vtx[i]->y, vlist->vtx[i]->z,
            vlist->vtx[i]->neigh_no);
		for(j=0;j<vlist->vtx[i]->neigh_no;j++){
			fprintf(fh,"\t%u",(ts_uint)(vlist->vtx[i]->neigh[j]->idx));
        //-vlist->vtx+1));
		}
		fprintf(fh,"\n");
	}
    return TS_SUCCESS;
}

ts_bool fprint_tristar(FILE *fh, ts_vesicle *vesicle){
    ts_uint i,j;
	for(i=0;i<vesicle->vlist->n;i++){
		fprintf(fh,"\t%u",vesicle->vlist->vtx[i]->tristar_no);
		for(j=0;j<vesicle->vlist->vtx[i]->tristar_no;j++){
			fprintf(fh,"\t%u",(ts_uint)(vesicle->vlist->vtx[i]->tristar[j]->idx));//-vesicle->tlist->tria+1));
		}
		fprintf(fh,"\n");
	}
    return TS_SUCCESS;
}

ts_bool fprint_triangle_list(FILE *fh, ts_vesicle *vesicle){
        ts_triangle_list *tlist=vesicle->tlist;
      ts_uint i,j;
	for(i=0;i<tlist->n;i++){
        fprintf(fh,"\t%u",tlist->tria[i]->neigh_no);
	    for(j=0;j<tlist->tria[i]->neigh_no;j++){
    		fprintf(fh,"\t%u",(ts_uint)(tlist->tria[i]->neigh[j]->idx));//-tlist->tria+1)); 
        }
        fprintf(fh,"\n");
            for(j=0;j<3;j++){
    		fprintf(fh,"\t%u",(ts_uint)(tlist->tria[i]->vertex[j]->idx));//-vesicle->vlist->vtx+1)); 
            }
        fprintf(fh,"\n");
		fprintf(fh,"%.17E\t%.17E\t%.17E\n",tlist->tria[i]->xnorm,
tlist->tria[i]->ynorm,tlist->tria[i]->znorm);
        fprintf(fh,"0.00000000000000000\n0.00000000000000000\n");
    }
    return TS_SUCCESS;
}

ts_bool fprint_vertex_data(FILE *fh,ts_vertex_list *vlist){
    ts_uint i,j;
    for(i=0;i<vlist->n;i++){
        fprintf(fh," %.17E\t%.17E\t%.17E\t%.17E\t%.17E\t%u\n",
        vlist->vtx[i]->xk,vlist->vtx[i]->c,vlist->vtx[i]->energy,
        vlist->vtx[i]->energy_h, vlist->vtx[i]->curvature, 0);
        for(j=0;j<vlist->vtx[i]->bond_no;j++){
            fprintf(fh," %.17E", vlist->vtx[i]->bond[j]->bond_length_dual);
        }
            fprintf(fh,"\n");
        for(j=0;j<vlist->vtx[i]->bond_no;j++){
            fprintf(fh," %.17E", vlist->vtx[i]->bond[j]->bond_length);
        }
            fprintf(fh,"\n");
    }
    return TS_SUCCESS;
}

ts_bool fprint_bonds(FILE *fh,ts_vesicle *vesicle){
    ts_uint i;
    for(i=0;i<vesicle->blist->n;i++){
        fprintf(fh,"\t%u\t%u\n",(ts_uint)(vesicle->blist->bond[i]->vtx1->idx),
//-vesicle->vlist->vtx+1),
        (ts_uint)(vesicle->blist->bond[i]->vtx2->idx));
    //-vesicle->vlist.vtx+1));
    }
    return TS_SUCCESS;
}


ts_bool write_dout_fcompat_file(ts_vesicle *vesicle, ts_char *filename){
	FILE *fh;
	fh=fopen(filename, "w");
    if(fh==NULL){
        err("Cannot open file %s for writing");
        return TS_FAIL;
    }
    fprintf(fh,"%.17E\n%.17E\n",vesicle->stepsize,vesicle->dmax);
    fprint_vertex_list(fh,vesicle->vlist);
    fprint_tristar(fh,vesicle);
    fprint_triangle_list(fh,vesicle);
    fprint_vertex_data(fh,vesicle->vlist);
    fprint_bonds(fh,vesicle);
	fclose(fh);	
	return TS_SUCCESS;
}

ts_bool read_tape_fcompat_file(ts_vesicle *vesicle, ts_char *filename){
	FILE *fh;
	char line[255];
	fh=fopen(filename, "r");
        if(fh==NULL){
                err("Cannot open file for reading... Nonexistant file?");
                return TS_FAIL;
        }
	ts_uint retval=1;
	while(retval!=EOF){
		retval=fscanf(fh,"%s",line);
		
		fprintf(stderr,"%s",line);
	}	
	fclose(fh);	
	return TS_SUCCESS;
}

ts_bool write_master_xml_file(ts_char *filename){
 	FILE *fh;
	ts_char *i,*j;
    ts_uint tstep;
    ts_char *number;
        fh=fopen(filename, "w");
        if(fh==NULL){
                err("Cannot open file %s for writing");
                return TS_FAIL;
        }

	fprintf(fh,"<?xml version=\"1.0\"?>\n<VTKFile type=\"Collection\" version=\"0.1\" byte_order=\"LittleEndian\" compressor=\"vtkZLibDataCompressor\">\n<Collection>");
	DIR *dir = opendir(command_line_args.path);
	if(dir){
		struct dirent *ent;
        tstep=0;
		while((ent = readdir(dir)) != NULL)
		{
            i=rindex(ent->d_name,'.');
            if(i==NULL) continue;
            if(strcmp(i+1,"vtu")==0){
                    j=rindex(ent->d_name,'_');
                    if(j==NULL) continue;
                    number=strndup(j+1,j-i); 
                fprintf(fh,"<DataSet timestep=\"%u\" group=\"\" part=\"0\" file=\"%s\"/>\n",atoi(number),ent->d_name);
                tstep++;
                    free(number);
            }  
		}
	}
    free(dir);
	fprintf(fh,"</Collection>\n</VTKFile>\n");
	fclose(fh);
	return TS_SUCCESS;
}

ts_bool write_vertex_xml_file(ts_vesicle *vesicle, ts_uint timestepno){
	ts_vertex_list *vlist=vesicle->vlist;
	ts_bond_list *blist=vesicle->blist;
	ts_vertex **vtx=vlist->vtx;
    ts_uint i,j;
    	char filename[10000];
        char just_name[255];
	FILE *fh;
        strcpy(filename,command_line_args.path);
    	sprintf(just_name,"timestep_%.6u.vtu",timestepno);
        strcat(filename,just_name);

	fh=fopen(filename, "w");
	if(fh==NULL){
		err("Cannot open file %s for writing");
		return TS_FAIL;
	}
	/* Here comes header of the file */

	//find number of extra vtxs and bonds of polymeres
	ts_uint monono=0, polyno=0, poly_idx=0, filno=0, fonono=0;
	ts_bool poly=0, fil=0;
	if(vesicle->poly_list!=NULL){
		if(vesicle->poly_list->poly[0]!=NULL){
		polyno=vesicle->poly_list->n;
		monono=vesicle->poly_list->poly[0]->vlist->n;
		poly=1;
		}
	}

	if(vesicle->filament_list!=NULL){
		if(vesicle->filament_list->poly[0]!=NULL){
		filno=vesicle->filament_list->n;
		fonono=vesicle->filament_list->poly[0]->vlist->n;
		fil=1;
		}
	}

	fprintf(fh, "<?xml version=\"1.0\"?>\n<VTKFile type=\"UnstructuredGrid\" version=\"0.1\" byte_order=\"LittleEndian\" compressor=\"vtkZLibDataCompressor\">\n");
	xml_trisurf_data(fh,vesicle);
	fprintf(fh, " <UnstructuredGrid>\n");
    fprintf(fh, "<Piece NumberOfPoints=\"%u\" NumberOfCells=\"%u\">\n",vlist->n+monono*polyno+fonono*filno, blist->n+monono*polyno+filno*(fonono-1));
    fprintf(fh,"<PointData Scalars=\"scalars\">\n<DataArray type=\"Int64\" Name=\"scalars\" format=\"ascii\">");
   	for(i=0;i<vlist->n;i++){
		fprintf(fh,"%u ",vtx[i]->idx);
    }
	//polymeres
	if(poly){
		poly_idx=vlist->n;
		for(i=0;i<vesicle->poly_list->n;i++){
			for(j=0;j<vesicle->poly_list->poly[i]->vlist->n;j++,poly_idx++){
				fprintf(fh,"%u ", poly_idx);
			}
		}
	}
	//filaments
	if(fil){
		poly_idx=vlist->n+monono*polyno;
		for(i=0;i<vesicle->filament_list->n;i++){
			for(j=0;j<vesicle->filament_list->poly[i]->vlist->n;j++,poly_idx++){
	//	fprintf(stderr,"was here\n");
				fprintf(fh,"%u ", poly_idx);
			}
		}
	}

    fprintf(fh,"</DataArray>\n</PointData>\n<CellData>\n</CellData>\n<Points>\n<DataArray type=\"Float64\" Name=\"Koordinate tock\" NumberOfComponents=\"3\" format=\"ascii\">\n");
	for(i=0;i<vlist->n;i++){
		fprintf(fh,"%e %e %e\n",vtx[i]->x,vtx[i]->y, vtx[i]->z);
	}
	//polymeres
	if(poly){
		for(i=0;i<vesicle->poly_list->n;i++){
			for(j=0;j<vesicle->poly_list->poly[i]->vlist->n;j++){
				fprintf(fh,"%e %e %e\n", vesicle->poly_list->poly[i]->vlist->vtx[j]->x,vesicle->poly_list->poly[i]->vlist->vtx[j]->y, vesicle->poly_list->poly[i]->vlist->vtx[j]->z );
			}
		}
	}
	//filaments
	if(fil){
		for(i=0;i<vesicle->filament_list->n;i++){
			for(j=0;j<vesicle->filament_list->poly[i]->vlist->n;j++){
				fprintf(fh,"%e %e %e\n", vesicle->filament_list->poly[i]->vlist->vtx[j]->x,vesicle->filament_list->poly[i]->vlist->vtx[j]->y, vesicle->filament_list->poly[i]->vlist->vtx[j]->z );
			}
		}
	}

    fprintf(fh,"</DataArray>\n</Points>\n<Cells>\n<DataArray type=\"Int64\" Name=\"connectivity\" format=\"ascii\">");
	for(i=0;i<blist->n;i++){
			fprintf(fh,"%u %u\n",blist->bond[i]->vtx1->idx,blist->bond[i]->vtx2->idx);
	}
	//polymeres
	if(poly){
		poly_idx=vlist->n;
		for(i=0;i<vesicle->poly_list->n;i++){
			for(j=0;j<vesicle->poly_list->poly[i]->blist->n;j++){
//				fprintf(fh,"%u %u\n", vesicle->poly_list->poly[i]->blist->bond[j]->vtx1->idx,vesicle->poly_list->poly[i]->blist->bond[j]->vtx2->idx);
				fprintf(fh,"%u %u\n", vesicle->poly_list->poly[i]->blist->bond[j]->vtx1->idx+vlist->n+i*monono,vesicle->poly_list->poly[i]->blist->bond[j]->vtx2->idx+vlist->n+i*monono);
			}
	//grafted bonds
		fprintf(fh,"%u %u\n", vesicle->poly_list->poly[i]->grafted_vtx->idx, vesicle->poly_list->poly[i]->vlist->vtx[0]->idx+vlist->n+i*monono);
		}

	}
	
	//filaments
	if(fil){
		poly_idx=vlist->n+monono*polyno;
		for(i=0;i<vesicle->filament_list->n;i++){
			for(j=0;j<vesicle->filament_list->poly[i]->blist->n;j++){
				fprintf(fh,"%u %u\n", vesicle->filament_list->poly[i]->blist->bond[j]->vtx1->idx+vlist->n+monono*polyno+i*fonono,vesicle->filament_list->poly[i]->blist->bond[j]->vtx2->idx+vlist->n+monono*polyno+i*fonono);
//		fprintf(stderr,"was here\n");
			
			}
		}

	}

    fprintf(fh,"</DataArray>\n<DataArray type=\"Int64\" Name=\"offsets\" format=\"ascii\">");
    for (i=2;i<(blist->n+monono*polyno+(fonono-1)*filno)*2+1;i+=2){
    fprintf(fh,"%u ",i);
    }
    fprintf(fh,"\n");
    fprintf(fh,"</DataArray>\n<DataArray type=\"UInt8\" Name=\"types\" format=\"ascii\">\n");
     for (i=0;i<blist->n+monono*polyno+fonono*filno;i++){
        fprintf(fh,"3 ");
    }

    fprintf(fh,"</DataArray>\n</Cells>\n</Piece>\n</UnstructuredGrid>\n</VTKFile>\n");
    fclose(fh);
    return TS_SUCCESS;

}

ts_bool write_vertex_vtk_file(ts_vesicle *vesicle,ts_char *filename, ts_char *text){
	ts_vertex_list *vlist=vesicle->vlist;
	ts_bond_list *blist=vesicle->blist;
	ts_vertex **vtx=vlist->vtx;
	ts_uint i;
	FILE *fh;
	
	fh=fopen(filename, "w");
	if(fh==NULL){
		err("Cannot open file %s for writing");
		return TS_FAIL;
	}
	/* Here comes header of the file */
//    fprintf(stderr,"NSHELL=%u\n",nshell);
	fprintf(fh, "# vtk DataFile Version 2.0\n");
	/* TODO: Do a sanity check on text. Max 255 char, must not me \n terminated */ 
	fprintf(fh, "%s\n", text);
	fprintf(fh,"ASCII\n");
	fprintf(fh,"DATASET UNSTRUCTURED_GRID\n");
	fprintf(fh,"POINTS %u double\n", vlist->n);
	for(i=0;i<vlist->n;i++){
		fprintf(fh,"%e %e %e\n",vtx[i]->x,vtx[i]->y, vtx[i]->z);
	}
	
	fprintf(fh,"CELLS %u %u\n",blist->n,3*blist->n);
	for(i=0;i<blist->n;i++){
			fprintf(fh,"2 %u %u\n",blist->bond[i]->vtx1->idx,blist->bond[i]->vtx2->idx);
	}
	fprintf(fh,"CELL_TYPES %u\n",blist->n);
	for(i=0;i<blist->n;i++)
		fprintf(fh,"3\n");

	fprintf(fh,"POINT_DATA %u\n", vlist->n);
	fprintf(fh,"SCALARS scalars long 1\n");
	fprintf(fh,"LOOKUP_TABLE default\n");

	for(i=0;i<vlist->n;i++)
		fprintf(fh,"%u\n",vtx[i]->idx);

	fclose(fh);
	return TS_SUCCESS;
}



ts_bool write_pov_file(ts_vesicle *vesicle, char *filename){
	FILE *fh;
	ts_uint i;
	
	fh=fopen(filename, "w");
	if(fh==NULL){
		err("Cannot open file %s for writing");
		return TS_FAIL;
	}

	for(i=0;i<vesicle->tlist->n;i++){
	
	fprintf(fh,"\ttriangle {");
	fprintf(fh,"\t<%e,%e,%e> <%e,%e,%e> <%e,%e,%e> }\n", 
	vesicle->tlist->tria[i]->vertex[0]->x,
	vesicle->tlist->tria[i]->vertex[0]->y,
	vesicle->tlist->tria[i]->vertex[0]->z,

	vesicle->tlist->tria[i]->vertex[1]->x,
	vesicle->tlist->tria[i]->vertex[1]->y,
	vesicle->tlist->tria[i]->vertex[1]->z,

	vesicle->tlist->tria[i]->vertex[2]->x,
	vesicle->tlist->tria[i]->vertex[2]->y,
	vesicle->tlist->tria[i]->vertex[2]->z
	);
	}
		
	fclose(fh);
	return TS_SUCCESS;
}


ts_tape *parsetape(char *filename){
	FILE *fd = fopen (filename, "r");
	long length;
	size_t size;
	fseek (fd, 0, SEEK_END);
  	length = ftell (fd);
	fseek (fd, 0, SEEK_SET);
	size=fread (tapetxt, 1, length, fd);
	fclose(fd);
	if(size);
	ts_tape *tape=parsetapebuffer(tapetxt);
	return tape;
}

ts_tape *parsetapebuffer(char *buffer){
    ts_tape *tape=(ts_tape *)calloc(1,sizeof(ts_tape));
    tape->multiprocessing=calloc(255,sizeof(char));

    cfg_opt_t opts[] = {
        CFG_SIMPLE_INT("nshell", &tape->nshell),
        CFG_SIMPLE_INT("npoly", &tape->npoly),
        CFG_SIMPLE_INT("nmono", &tape->nmono),
	CFG_SIMPLE_INT("nfil",&tape->nfil),
	CFG_SIMPLE_INT("nfono",&tape->nfono),
	CFG_SIMPLE_INT("R_nucleus",&tape->R_nucleus),
	CFG_SIMPLE_FLOAT("dmax", &tape->dmax),
	CFG_SIMPLE_FLOAT("dmin_interspecies", &tape->dmin_interspecies),
        CFG_SIMPLE_FLOAT("xk0",&tape->xk0),
	CFG_SIMPLE_INT("pswitch",&tape->pswitch),
	CFG_SIMPLE_INT("constvolswitch",&tape->constvolswitch),
	CFG_SIMPLE_INT("constareaswitch",&tape->constareaswitch),
	CFG_SIMPLE_FLOAT("constvolprecision",&tape->constvolprecision),
	CFG_SIMPLE_FLOAT("pressure",&tape->pressure),
	CFG_SIMPLE_FLOAT("k_spring",&tape->kspring),
	CFG_SIMPLE_FLOAT("xi",&tape->xi),
        CFG_SIMPLE_FLOAT("stepsize",&tape->stepsize),
        CFG_SIMPLE_INT("nxmax", &tape->ncxmax),
        CFG_SIMPLE_INT("nymax", &tape->ncymax),
        CFG_SIMPLE_INT("nzmax", &tape->nczmax),
        CFG_SIMPLE_INT("iterations",&tape->iterations),
	CFG_SIMPLE_INT("mcsweeps",&tape->mcsweeps),
	CFG_SIMPLE_INT("inititer", &tape->inititer),
        CFG_SIMPLE_BOOL("quiet",&tape->quiet),
        CFG_SIMPLE_STR("multiprocessing",tape->multiprocessing),
        CFG_SIMPLE_INT("smp_cores",&tape->brezveze0),
        CFG_SIMPLE_INT("cluster_nodes",&tape->brezveze1),
        CFG_SIMPLE_INT("distributed_processes",&tape->brezveze2),
	CFG_SIMPLE_INT("spherical_harmonics_coefficients",&tape->shc),
        CFG_END()
    };
    cfg_t *cfg;    
    ts_uint retval;
    cfg = cfg_init(opts, 0);
    retval=cfg_parse_buf(cfg, buffer);
    if(retval==CFG_FILE_ERROR){
	fatal("No tape file.",100);
	}
    else if(retval==CFG_PARSE_ERROR){
	fatal("Invalid tape!",100);
	}

    /* here we override all values read from tape with values from commandline*/
    getcmdline_tape(cfg,command_line_args.tape_opts);
    cfg_free(cfg);


	/* global variables are set automatically */
	quiet=tape->quiet;
	return tape;
}

ts_bool tape_free(ts_tape *tape){
	free(tape->multiprocessing);
	free(tape);
	return TS_SUCCESS;
}



ts_bool getcmdline_tape(cfg_t *cfg, char *opts){

	char *commands, *backup, *saveptr, *saveopptr, *command, *operator[2];
	ts_uint i,j;
	commands=(char *)malloc(10000*sizeof(char));
    backup=commands; //since the pointer to commands will be lost, we acquire a pointer that will serve as backup.
	strcpy(commands,opts);
	for(i=0; ;i++, commands=NULL){
		//breaks comma separated list of commands into specific commands.
		command=strtok_r(commands,",",&saveptr);	
		if(command==NULL) break;
//		fprintf(stdout,"Command %d: %s\n",i,command);	
		//extracts name of command and value of command into operator[2] array.
		for(j=0; j<2;j++,command=NULL){
			operator[j]=strtok_r(command,"=",&saveopptr);
			if(operator[j]==NULL) break;
//			fprintf(stdout," ---> Operator %d: %s\n",j,operator[j]);		
		}
		//1. check: must have 2 operators.
		if(j!=2) fatal("Error. Command line tape options are not formatted properly",1);

    //    cfg_setstr(cfg,operator[0],operator[1]);
        cmdline_to_tape(cfg,operator[0],operator[1]);
		//2. check: must be named properly.
		//3. check: must be of right format (integer, double, string, ...)
        
	}
	free(backup);
    return TS_SUCCESS;
}


ts_bool cmdline_to_tape(cfg_t *cfg, char *key, char *val){

    cfg_opt_t *cfg_opt=cfg_getopt(cfg,key);
    if(cfg_opt==NULL) fatal("Commandline tape option not recognised",1); //return TS_FAIL; 
    switch (cfg_opt->type){
        case CFGT_INT:
            cfg_setint(cfg,key,atol(val));
            break;
        case CFGT_FLOAT:
            cfg_setfloat(cfg,key,atof(val));
            break;
/*        case CFGT_BOOL:
            cfg_setbool(cfg,operator[0],operator[1]);
            break; */
        case CFGT_STR:
            cfg_setstr(cfg,key,val);
            break;
        default:
            break;

    }
    return TS_SUCCESS;
}



ts_bool read_geometry_file(char *fname, ts_vesicle *vesicle){
	FILE *fh;
    ts_uint i, nvtx,nedges,ntria;
    ts_uint vtxi1,vtxi2;
    float x,y,z;
    ts_vertex_list *vlist;
	fh=fopen(fname, "r");
        if(fh==NULL){
                err("Cannot open file for reading... Nonexistant file?");
                return TS_FAIL;
        }
	ts_uint retval;
	retval=fscanf(fh,"%u %u %u",&nvtx, &nedges, &ntria);
    vesicle->vlist=init_vertex_list(nvtx);
    vlist=vesicle->vlist;
    for(i=0;i<nvtx;i++){
   //     fscanf(fh,"%F %F %F",&vlist->vtx[i]->x,&vlist->vtx[i]->y,&vlist->vtx[i]->z);
       retval=fscanf(fh,"%F %F %F",&x,&y,&z);
        vlist->vtx[i]->x=x;
        vlist->vtx[i]->y=y;
        vlist->vtx[i]->z=z;
    }
    for(i=0;i<nedges;i++){
        retval=fscanf(fh,"%u %u",&vtxi1,&vtxi2);
        bond_add(vesicle->blist,vesicle->vlist->vtx[vtxi1-1],vesicle->vlist->vtx[vtxi2-1]);
    }
    //TODO: neighbours from bonds,
    //TODO: triangles from neigbours

//    Don't need to read triangles. Already have enough data
    /*
    for(i=0;i<ntria;i++){
        retval=fscanf(fh,"%u %u %u", &bi1, &bi2, &bi3);
        vtxi1=vesicle->blist->vertex1->idx;
        vtxi2=vesicle->blist->vertex1->idx;
        
    }
    */
	if(retval);
	fclose(fh);	



    return TS_SUCCESS;
}