From b4e2e6dbd5049ae279f0f74838cd21b625148c72 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Thu, 11 Oct 2018 10:34:25 +0000
Subject: [PATCH] Changes in plates movement

---
 src/cell.c |  147 +++++++++++++++++++++++++++++++++---------------
 1 files changed, 100 insertions(+), 47 deletions(-)

diff --git a/src/cell.c b/src/cell.c
index ae912fe..a1413eb 100644
--- a/src/cell.c
+++ b/src/cell.c
@@ -1,87 +1,134 @@
+/* vim: set ts=4 sts=4 sw=4 noet : */
 #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 *)calloc(1,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!
     }
+    return clist;
+}
+
+ts_bool cell_free(ts_cell* cell){
+    if(cell->vertex!=NULL) free(cell->vertex);
+    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 cellidx;
     ts_uint ncx, ncy,ncz;
+    ts_cell_list *clist=vesicle->clist;
+    ncx=(ts_uint)((vtx->x-vesicle->cm[0])*clist->dcell+clist->shift);
+    ncy=(ts_uint)((vtx->y-vesicle->cm[1])*clist->dcell+clist->shift);
+    ncz=(ts_uint)((vtx->z-vesicle->cm[2])*clist->dcell+clist->shift);
 
-    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){
+    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;
 }
 
 
-
-ts_bool cell_add_vertex(ts_cell *cell, ts_vertex *vtx){
-    
+inline ts_bool cell_add_vertex(ts_cell *cell, ts_vertex *vtx){
+	ts_uint i;
+	for(i=0;i<cell->nvertex;i++){
+		if(cell->vertex[i]==vtx){
+	//vertex is already in the cell!
+			//fprintf(stderr,"VTX in the cell!\n");
+			return TS_FAIL;
+		}
+	}
+			//fprintf(stderr,"VTX added to the cell!\n");
     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->vertex=(ts_vertex **)realloc(cell->vertex,cell->nvertex*sizeof(ts_vertex *));
+		if(cell->vertex == NULL){
+			fatal("Reallocation of memory failed during insertion of vertex in cell_add_vertex",3);
         }
     cell->vertex[cell->nvertex-1]=vtx;
-
+	vtx->cell=cell;
     return TS_SUCCESS;
 }
 
-ts_bool cell_list_cell_ocupation_clear(ts_cell_list *clist){
+inline ts_bool cell_remove_vertex(ts_cell *cell, ts_vertex *vtx){
+   ts_uint i,j=0;
+    for(i=0;i<cell->nvertex;i++){
+        if(cell->vertex[i]!=vtx){
+            cell->vertex[j]=cell->vertex[i];
+            j++;
+        }
+    }
+	if(j==i){
+	fatal("Vertex was not in the cell!",3);
+	} 
+	//fprintf(stderr, "Vertex deleted from the cell!\n");
+
+/* resize memory. potentionally time consuming */
+    cell->nvertex--;
+	cell->vertex=(ts_vertex **)realloc(cell->vertex,cell->nvertex*sizeof(ts_vertex *));
+    if(vtx->neigh == NULL && vtx->neigh_no!=0)
+		if(cell->vertex == NULL){
+			fatal("Reallocation of memory failed during removal of vertex in cell_remove_vertex",3);
+        }
+	return TS_SUCCESS;
+}
+
+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]->vertex != NULL){
+            free(clist->cell[i]->vertex);
+            clist->cell[i]->vertex=NULL;
         }
-        clist->cell[i].nvertex=0;
+        clist->cell[i]->nvertex=0;
     }
     return TS_SUCCESS;
 }
 
-ts_bool cell_occupation_number_and_internal_proximity(ts_cell_list *clist, ts_uint cellidx, ts_vertex *vtx, ts_vertex *tvtx){
+
+ts_bool cell_occupation_number_and_internal_proximity(ts_cell_list *clist, ts_uint cellidx, ts_vertex *vtx){
     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];
@@ -92,26 +139,32 @@
             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]->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);
                 }
 // Now we check whether we didn't come close to some other vertices in the same
 // cell!
-                if(cell_occupation>1){
+                if(cell_occupation>0){
                     for(l=0;l<cell_occupation;l++){
-                        if(clist->cell[neigh_cidx].vertex[l]!=vtx){
+
+				//carefull with this checks!
+                        if(clist->cell[neigh_cidx]->vertex[l]!=vtx){
                     //        fprintf(stderr,"calling dist on vertex %i\n",l);
-                           dist=vertex_distance_sq(clist->cell[neigh_cidx].vertex[l],tvtx);
-                    //        fprintf(stderr,"dist was %f\n",dist);
-                            if(dist<1) return TS_FAIL;
+                           dist=vtx_distance_sq(clist->cell[neigh_cidx]->vertex[l],vtx);
+
+//				if(vtx->idx==1)
+//				fprintf(stderr,"VTX(0) ima bliznji vertex z indeksom, %d, tipa %d \n", clist->cell[neigh_cidx]->vertex[l]->idx, clist->cell[neigh_cidx]->vertex[l]->id);
+//				if(vtx->idx==0 && clist->cell[neigh_cidx]->vertex[l]->idx==0)
+//                            fprintf(stderr,"*** dist was %f\n",dist);
+				
+                            if(dist<=1.0 || (dist<=clist->dmin_interspecies && (clist->cell[neigh_cidx]->vertex[l]->id != vtx->id))) return TS_FAIL;
                         }
                     }
                 }
             }
         }
-    }
-    
+    } 
     return TS_SUCCESS;
 }

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