deckSim

function [poisons, empowers, shuffles, avgPoisons] = deckSim(n)
    deck = [1,2,2,1]; %[poisons,shuffles,dmg empower,flame]
    belt = 1; %0=none,1=poison,2=shuffle
    emp = 0;  %0=none, 1=dmg, 2=shuffle
    poisons = 2; %start combat with an empowered poison above head and poison on belt. ultimately doesnt really matter because i simulate over 100000 iterations for numbers
    empowers = 1;
    shuffles = 0;
    i = 1;
    while i<=n
        draw = randi(sum(deck));
        cardType = 1;
        while sum(deck(1:cardType))<draw
           cardType = cardType + 1;
        end
        deck(cardType) = deck(cardType) - 1;
        if(sum(deck) == 0)
           deck = [1,2,2,1];
           i = i+1;
        end
        switch cardType                             %decision making tree
            case 1                                  %drew a poison
                switch belt
                    case 0                          %draw poison & no saved card
                        if emp == 2                     %emp is shuffle -> use poison
                            emp = 0;
                            poisons = poisons + 1;
                            shuffles = shuffles + 1;
                            deck(1) = deck(1) + 1;
                        elseif emp == 1 && deck(1) >= deck(2)%if empowerment is damage and there is greater or equal numbers of poisons in your deck as shuffles -> use the poison
                            emp = 0;
                            poisons = poisons + 1;
                            empowers = empowers + 1;
                        else                            %else -> save poison
                            belt = 1;
                        end
                    case 1                          %draw poison & saved poison
                        poisons = poisons + 1;          %-> use poison
                        switch emp
                            case 1
                                empowers = empowers + 1;
                            case 2
                                shuffles = shuffles + 1;
                                deck(1) = deck(1) + 1;
                        end
                        emp = 0;
                    otherwise                       %draw poison & saved shuffle -> shuffle poison
                        if emp ~= 2                 %emp is not shuffle -> burn shuffle before useing poison
                            belt = 0;
                        end
                        emp = 0;
                        poisons = poisons + 1;
                        shuffles = shuffles + 1;
                        deck(1) = deck(1) + 1;
                end
            case 2                                  %drew a shuffle
                switch belt
                    case 0                          %draw shuffle & no saved card -> save shuffle
                        belt = 2;
                    case 1                          %draw shuffle & saved poison -> shuffle poison
                        belt = 0;
                        emp = 0;
                        poisons = poisons + 1;
                        shuffles = shuffles + 1;
                        deck(1) = deck(1) + 1;
                    otherwise                       %draw shuffle & saved shuffle -> burn shuffle
                        emp = 2;
                end
            case 3                                  %drew damage empower
                emp = 1;
                if belt == 1 && deck(1) >= deck(2)  %if you have a poison card saved and there are more or equal numbers of poisons in your deck as shuffles -> use the poison
                    emp = 0;
                    belt = 0;
                    poisons = poisons + 1;
                    empowers = empowers + 1;
                end
            case 4                                  %drew flame -> use flame
                if emp == 2
                   shuffles = shuffles + 1;
                   deck(4) = deck(4) + 1;
                end
                emp = 0;
        end
    end
    poisons = poisons/n;
    empowers = empowers/n;
    shuffles = shuffles/n;
    avgPoisons=(poisons*10+empowers*4)/((shuffles+6)*2);
end