From b01cc1ac677dc712c27337be8ee4f11ea336f31b Mon Sep 17 00:00:00 2001
From: Samo Penic <samo@andromeda>
Date: Sun, 05 Dec 2010 13:02:22 +0000
Subject: [PATCH] Fixed some nasty bugs. Still, I suspect the vertex neighbours are not correctly oriented or something, since tristar triangles are not successfully set. (tristar_no is not always the same as neigh_no!)

---
 src/cell.c |  108 ++++++++++++++++++++++++++++++++----------------------
 1 files changed, 64 insertions(+), 44 deletions(-)

diff --git a/src/cell.c b/src/cell.c
index ae912fe..26ce2d6 100644
--- a/src/cell.c
+++ b/src/cell.c
@@ -1,87 +1,107 @@
 #include<stdlib.h>
 #include "general.h"
 #include "vertex.h"
-#include <stdio.h>
-ts_bool init_cell_list(ts_cell_list *clist, ts_double stepsize){
+
+ts_cell_list  *init_cell_list(ts_uint ncmax1, ts_uint ncmax2, ts_uint ncmax3, ts_double stepsize){
     ts_uint i;
-    ts_uint nocells=clist->ncmax[0]*clist->ncmax[1]*clist->ncmax[2];
-    clist->cell=malloc(nocells*sizeof(ts_cell));
+    ts_uint nocells=ncmax1*ncmax2*ncmax3;
+    ts_cell_list *clist=(ts_cell_list *)malloc(sizeof(ts_cell_list));
+    if(clist==NULL) fatal("Error while allocating memory for cell list!",100);
+
+    clist->ncmax[0]=ncmax1;
+    clist->ncmax[1]=ncmax2;
+    clist->ncmax[2]=ncmax3;
+    clist->cellno=nocells;
     clist->dcell=1.0/(1.0 + stepsize);
     clist->shift=(ts_double) clist->ncmax[0]/2;
-    clist->cellno=nocells;
+
+    clist->cell=(ts_cell **)malloc(nocells*sizeof(ts_cell *));
+    if(clist->cell==NULL) fatal("Error while allocating memory for cell list! ncmax too large?",101);
+
     for(i=0;i<nocells;i++){
-        clist->cell[i].idx=i+1; // We enumerate cells! Probably never required!
-        clist->cell[i].nvertex=0;
-        clist->cell[i].vertex=NULL;
+        clist->cell[i]=(ts_cell *)malloc(sizeof(ts_cell));
+        if(clist->cell[i]==NULL) fatal("Error while allocating memory for cell list! ncmax too large?",102);
+        clist->cell[i]->idx=i+1; // We enumerate cells! Probably never required!
+        clist->cell[i]->data=(ts_cell_data *)calloc(1,sizeof(ts_cell_data));
     }
+    return clist;
+}
+
+ts_bool cell_free(ts_cell* cell){
+    if(cell->data!=NULL){
+        if(cell->data->vertex!=NULL) free(cell->data->vertex);
+        free(cell->data);
+    }
+    free(cell);
     return TS_SUCCESS;
 }
 
 ts_bool cell_list_free(ts_cell_list *clist){
     ts_uint i;
-     ts_uint nocells=clist->ncmax[0]*clist->ncmax[1]*clist->ncmax[2];
-
+    if(clist==NULL) return TS_FAIL;
+    ts_uint nocells=clist->cellno;
     for(i=0;i<nocells;i++)
-         if(clist->cell->vertex != NULL) free(clist->cell->vertex);
+         if(clist->cell[i] != NULL) cell_free(clist->cell[i]);
     free(clist->cell);
-
+    free(clist);
     return TS_SUCCESS;
 }
 
-inline ts_uint vertex_self_avoidance(ts_vesicle *vesicle, ts_vertex *vtx){
-    ts_uint i,cellidx;
-    ts_uint ncx, ncy,ncz;
 
-    ncx=(ts_uint)((vtx->x-vesicle->cm[0])*vesicle->clist.dcell+vesicle->clist.shift);
-    ncy=(ts_uint)((vtx->y-vesicle->cm[1])*vesicle->clist.dcell+vesicle->clist.shift);
-    ncz=(ts_uint)((vtx->z-vesicle->cm[2])*vesicle->clist.dcell+vesicle->clist.shift);
-//    fprintf(stderr,"(ncx,ncy,ncz)=(%i %i %i)\t",ncx,ncy,ncz);
-//    fprintf(stderr,"(ncxmax,ncymax,nczmax)=(%i %i %i)\n",vesicle->clist.ncmax[0], vesicle->clist.ncmax[1], vesicle->clist.ncmax[2]);
-    if(ncx == vesicle->clist.ncmax[0]-1 || ncx == 2){
+//TODO: not debugged at all!
+inline ts_uint vertex_self_avoidance(ts_vesicle *vesicle, ts_vertex *vtx){
+    ts_uint cellidx;
+    ts_uint ncx, ncy,ncz;
+    ts_cell_list *clist=vesicle->clist;
+    ncx=(ts_uint)((vtx->data->x-vesicle->cm[0])*clist->dcell+clist->shift);
+    ncy=(ts_uint)((vtx->data->y-vesicle->cm[1])*clist->dcell+clist->shift);
+    ncz=(ts_uint)((vtx->data->z-vesicle->cm[2])*clist->dcell+clist->shift);
+
+    if(ncx == clist->ncmax[0]-1 || ncx == 2){
         fatal("Vesicle is positioned outside the cell covered area. Coordinate x is the problem.",1500);
     }
-    if(ncy == vesicle->clist.ncmax[1]-1 || ncy == 2){
+    if(ncy == clist->ncmax[1]-1 || ncy == 2){
         fatal("Vesicle is positioned outside the cell covered area. Coordinate y is the problem.",1500);
     }
-    if(ncz == vesicle->clist.ncmax[2]-1 || ncz == 2){
+    if(ncz == clist->ncmax[2]-1 || ncz == 2){
         fatal("Vesicle is positioned outside the cell covered area. Coordinate z is the problem.",1500);
     }
-    cellidx=ncz+(ncy-1)*vesicle->clist.ncmax[2] +
-(ncx-1)*vesicle->clist.ncmax[2]* vesicle->clist.ncmax[1] - 1; // -1 is because of 0 based indexing
-    return cellidx;
+    cellidx=ncz+(ncy-1)*clist->ncmax[2] + (ncx-1)*clist->ncmax[2]* 
+                                    clist->ncmax[1] - 1; // -1 is because of 0 based indexing
+        return cellidx;
 }
 
 
-
+//TODO: looks ok, but debug anyway in the future
 ts_bool cell_add_vertex(ts_cell *cell, ts_vertex *vtx){
-    
-    cell->nvertex++;
-	cell->vertex=realloc(cell->vertex,cell->nvertex*sizeof(ts_vertex *));
-		if(vtx->neigh == NULL){
-			fatal("Reallocation of memory failed during insertion of vertex neighbour in vertex_add_neighbour",3);
+    cell->data->nvertex++;
+	cell->data->vertex=(ts_vertex **)realloc(cell->data->vertex,cell->data->nvertex*sizeof(ts_vertex *));
+		if(vtx->data->neigh == NULL){
+			fatal("Reallocation of memory failed during insertion of vertex in cell_add_vertex",3);
         }
-    cell->vertex[cell->nvertex-1]=vtx;
-
+    cell->data->vertex[cell->data->nvertex-1]=vtx;
     return TS_SUCCESS;
 }
 
-ts_bool cell_list_cell_ocupation_clear(ts_cell_list *clist){
+
+ts_bool cell_list_cell_occupation_clear(ts_cell_list *clist){
     ts_uint i;
     for(i=0;i<clist->cellno;i++){
-        if(clist->cell[i].vertex != NULL){
-            free(clist->cell[i].vertex);
-            clist->cell[i].vertex=NULL;
+        if(clist->cell[i]->data->vertex != NULL){
+            free(clist->cell[i]->data->vertex);
+            clist->cell[i]->data->vertex=NULL;
         }
-        clist->cell[i].nvertex=0;
+        clist->cell[i]->data->nvertex=0;
     }
     return TS_SUCCESS;
 }
 
+// TODO: compiles ok, but it is completely untested and undebugged. It was debugged before rewrite, but this was long time ago.
 ts_bool cell_occupation_number_and_internal_proximity(ts_cell_list *clist, ts_uint cellidx, ts_vertex *vtx, ts_vertex *tvtx){
     ts_uint ncx,ncy,ncz,remainder,cell_occupation;
-    ts_uint i,j,k,l,neigh_cidx,mcell;
+    ts_uint i,j,k,l,neigh_cidx;
     ts_double dist;
-    ncx=(cellidx+1)/(clist->ncmax[2]*clist->ncmax[1])+1;
+    ncx=(cellidx+1)/(clist->ncmax[2]*clist->ncmax[1])+1; //+1 because of zero indexing.
     remainder=(cellidx+1)%(clist->ncmax[2]*clist->ncmax[1]);
     ncy=remainder/clist->ncmax[2]+1;
     ncz=remainder%clist->ncmax[2];
@@ -92,7 +112,7 @@
             for(k=ncz-1;k<=ncz+1;k++){
                 neigh_cidx=k+(j-1)*clist->ncmax[2]+(i-1)*clist->ncmax[2]*clist->ncmax[1] -1;
           //      fprintf(stderr,"neigh_cell_index=%i\n",neigh_cidx);
-                cell_occupation=clist->cell[neigh_cidx].nvertex;
+                cell_occupation=clist->cell[neigh_cidx]->data->nvertex;
           //      fprintf(stderr, "cell_occupation=%i\n",cell_occupation);
                 if(cell_occupation>clist->max_occupancy){
                     fatal("Neighbouring cell occupation more than set max_occupancy value.",2000);
@@ -101,9 +121,9 @@
 // cell!
                 if(cell_occupation>1){
                     for(l=0;l<cell_occupation;l++){
-                        if(clist->cell[neigh_cidx].vertex[l]!=vtx){
+                        if(clist->cell[neigh_cidx]->data->vertex[l]!=vtx){
                     //        fprintf(stderr,"calling dist on vertex %i\n",l);
-                           dist=vertex_distance_sq(clist->cell[neigh_cidx].vertex[l],tvtx);
+                           dist=vtx_distance_sq(clist->cell[neigh_cidx]->data->vertex[l],tvtx);
                     //        fprintf(stderr,"dist was %f\n",dist);
                             if(dist<1) return TS_FAIL;
                         }

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