mpib_memoreye/preprocessing_scripts/maketrials_eyetracking_V1.m

function [data_epoch] = maketrials_eyetracking_V1(cfg)
%First input = data after importeyes; second input = trigger

mdat=cfg.data;
alltriggers= cfg.triggers;

pretim = cfg.prestim;
posttim = cfg.poststim;

tmp=mdat.evt;
evt=zeros(length(tmp),1);
for i=1:length(tmp)
    if isempty(str2num(tmp{i}))
        evt(i)=NaN;
    else
        evt(i)=str2num(tmp{i});
    end
end
tim=mdat.evT;
   
   
tcounter=1;   

% Make epochs

for tri=1:length(alltriggers)

trigger=alltriggers(tri);
    
found=find(evt==trigger);
% tim(found(ttt))

for ttt = 1:length(found)
    
   onset= tim(found(ttt)); 
   
   [ d1, ix1 ] = min( abs( mdat.time-(onset-pretim) ) );
   [ d1, ix2 ] = min( abs( mdat.time-(onset+posttim) ) );
   
   oritime_nosort(tcounter,:)= mdat.time(ix1:ix2) ;%original time
   eyedat_nosort(tcounter,1,:)= mdat.x(ix1:ix2); %x
   eyedat_nosort(tcounter,2,:)= mdat.y(ix1:ix2); %y
   eyedat_nosort(tcounter,3,:)= mdat.p(ix1:ix2); %p
   trigger_onset_nosort(tcounter)=(trigger);
   
   tcounter=tcounter+1;   
    
end
end

%sorting everything by time

[A I]= sort(oritime_nosort(:,1))

data_epoch.originaltime=[]
data_epoch.eyedat=[]
data_epoch.trigger_onset=[]

data_epoch.eyedat= eyedat_nosort(I,:,:);
data_epoch.originaltime= oritime_nosort(I,:);
data_epoch.trigger_onset=trigger_onset_nosort(I);
data_epoch.channel=['x';'y';'p';];

%make the time for the epoch
t1=length(-pretim:posttim)-1
t2=size(data_epoch.eyedat,3)-1
spac=t1/t2
data_epoch.time=-pretim:spac:posttim;

end