function poolstackepos=getPoolStackEyePos(subjsData)

opts = struct('WindowStyle','modal','Interpreter','none','Default','No');
answer = questdlg('This requires memory at runtime. Are you sure to continue?','Memory Warning','Yes','No',opts);
if strcmpi(answer,'No'); error('Aborted getting pool stack eye position (consider cleaning workspace).'); end

disp('Loading eye position data...');

subject1=subjsData(1).sbdata;
subject2=subjsData(2).sbdata;

s1s1gbi=getBehavioralInfos(subject1,1); s1s2gbi=getBehavioralInfos(subject1,2);
s1s3gbi=getBehavioralInfos(subject1,3); s1s4gbi=getBehavioralInfos(subject1,4);
s2s1gbi=getBehavioralInfos(subject2,1); s2s2gbi=getBehavioralInfos(subject2,2);
s2s3gbi=getBehavioralInfos(subject2,3); s2s4gbi=getBehavioralInfos(subject2,4);

twLabels={'preoffer1','offer1','delay1','offer2','delay2','startfix','choicego','choicesacc','choicemade'};

%poolstackepos(8,8)=struct('eyePosX',[],'eyePosY',[],'fracR',[]);
poolstackepos(8,8)=struct('eyePosX',[],'eyePosY',[]);

for tw=1:8
    currtws1s1get=getEyeTracks(subject1,1,twLabels{tw},twLabels{tw+1});
    currtws1s2get=getEyeTracks(subject1,2,twLabels{tw},twLabels{tw+1});
    currtws1s3get=getEyeTracks(subject1,3,twLabels{tw},twLabels{tw+1});
    currtws1s4get=getEyeTracks(subject1,4,twLabels{tw},twLabels{tw+1});
    currtws2s1get=getEyeTracks(subject2,1,twLabels{tw},twLabels{tw+1});
    currtws2s2get=getEyeTracks(subject2,2,twLabels{tw},twLabels{tw+1});
    currtws2s3get=getEyeTracks(subject2,3,twLabels{tw},twLabels{tw+1});
    currtws2s4get=getEyeTracks(subject2,4,twLabels{tw},twLabels{tw+1});
    
    
    s1s1poolstackepos(tw).eyePosX=currtws1s1get.posX;
    s1s2poolstackepos(tw).eyePosX=currtws1s2get.posX;
    s1s3poolstackepos(tw).eyePosX=currtws1s3get.posX;
    s1s4poolstackepos(tw).eyePosX=currtws1s4get.posX;
    s2s1poolstackepos(tw).eyePosX=currtws2s1get.posX;
    s2s2poolstackepos(tw).eyePosX=currtws2s2get.posX;
    s2s3poolstackepos(tw).eyePosX=currtws2s3get.posX;
    s2s4poolstackepos(tw).eyePosX=currtws2s4get.posX;
    
    s1s1poolstackepos(tw).eyePosY=currtws1s1get.posY;
    s1s2poolstackepos(tw).eyePosY=currtws1s2get.posY;
    s1s3poolstackepos(tw).eyePosY=currtws1s3get.posY;
    s1s4poolstackepos(tw).eyePosY=currtws1s4get.posY;
    s2s1poolstackepos(tw).eyePosY=currtws2s1get.posY;
    s2s2poolstackepos(tw).eyePosY=currtws2s2get.posY;
    s2s3poolstackepos(tw).eyePosY=currtws2s3get.posY;
    s2s4poolstackepos(tw).eyePosY=currtws2s4get.posY;
    
    
end
for tw=1:8
    for sn=1:4
        poolstackepos(sn,tw).eyePosX=  eval(['s1s' num2str(sn) 'poolstackepos(tw).eyePosX']);
        poolstackepos(sn,tw).eyePosY=  eval(['s1s' num2str(sn) 'poolstackepos(tw).eyePosY']);
        poolstackepos(sn+4,tw).eyePosX=eval(['s2s' num2str(sn) 'poolstackepos(tw).eyePosX']);
        poolstackepos(sn+4,tw).eyePosY=eval(['s2s' num2str(sn) 'poolstackepos(tw).eyePosY']);
    end
end
end