function [dRow,dCol,action,mark] = cowardlylion(mainMap,foodMap,myAntMap,opAntMap, ...
    myScentMap,opScentMap,myDeathMap,opDeathMap)

%dRt = repmat([-1;-1;0;1;1],1,5);
%dCt = dRt';

% mask
mask = isnan(mainMap);
if mask(7)
    mask([1 2 6]) = true;
end;
if mask(9)
    mask([4 5 10]) = true;
end;
if mask(17)
    mask([16 21 22]) = true;
end;
if mask(19)
    mask([20 24 25]) = true;
end;
if mask(8)
    mask(3) = true;
end;
if mask(12)
    mask(11) = true;
end;
if mask(14)
    mask(15) = true;
end;
if mask(18)
    mask(23) = true;
end;
mainMap(mask) = nan;

% decide scent
if (mainMap(13) == 1)
    mark = 100;
else
    mark = floor((max(max(myScentMap(2:4,2:4)))-myScentMap(13)-1)/myAntMap(13));
end;
myScent = myScentMap(13); %+mark*myAntMap(13);
myScentMap(mainMap==1) = inf;

% fight if challenged
if (opAntMap(7)||opAntMap(8)||opAntMap(9)||opAntMap(12)||opAntMap(13)||opAntMap(14)||opAntMap(17)||opAntMap(18)||opAntMap(19))
    action = -1;
    if (sum(myAntMap(:))<9)||(rand < 0.5)
        dRow = 0;
        dCol = 0;
        return
    else
        [r,c] = find(opAntMap(2:4,2:4)&~opAntMap(4:-1:2,4:-1:2));
        if isempty(r)
            action = -1;
            dRow = 0;
            dCol = 0;
            return
        else
            pick = ceil(rand*numel(r));
            dRow = sign(r(pick)-2);
            dCol = sign(c(pick)-2);
        end;
    end;
end;

% look for food
action = 0;
foodMap(mainMap==1) = 0;
netFood = foodMap-myAntMap;
netFood(mask) = 0;
netFood(mainMap==1) = 0;
if (foodMap(13) > 0)&&(rand > (myAntMap(13)-foodMap(13))/myAntMap(13))
    lowFood = (netFood>0)&(myScentMap<myScent);
    hiFood = (netFood>0)&(myScentMap>myScent);
    myFood = foodMap(13);
    if ~any(lowFood(:))||((foodMap(13) > 1)&&(rand > sqrt(1/foodMap(13))))
        % carry home
        action = 1;
        myScentMap(mask) = -inf;
        myScentMap(13) = -inf;
        maxScent = max(myScentMap(:));
        if (maxScent == 0)
            mainMap(13) = nan;
            [r,c] = find(~isnan(mainMap(2:4,2:4)));
            pick = ceil(rand*numel(r));
            dRow = sign(r(pick)-2);
            dCol = sign(c(pick)-2);
        else
            [r,c] = find(myScentMap==maxScent);
            dRow = sign(r(1)-3);
            dCol = sign(c(1)-3);
        end;
    else
        % gather lower
        bottomFood = min(myScentMap(lowFood>0));
        [r,c] = find((lowFood>0)&(myScentMap==bottomFood));
        dRow = sign(r(1)-3);
        dCol = sign(c(1)-3);
    end;
elseif (any(netFood(:) > 0))
    % gather
    bottomFood = min(myScentMap(netFood>0));
    [r,c] = find((netFood>0)&(myScentMap==bottomFood));
    %[r,c] = find(netFood==max(netFood(:)));
    dRow = sign(r(1)-3);
    dCol = sign(c(1)-3);
else
    % explore
    if (rand>.9)
        mainMap(13) = nan;
        [r,c] = find(~isnan(mainMap(2:4,2:4)));
        pick = ceil(rand*numel(r));
        dRow = sign(r(pick)-2);
        dCol = sign(c(pick)-2);
    else
        myScentMap(mask) = inf;
        myScentMap(13) = inf;
        [r,c] = find(myScentMap==min(myScentMap(:)));
        pick = ceil(rand*numel(r));
        dRow = sign(r(pick)-3);
        dCol = sign(c(pick)-3);
    end;
end;
end