Cookie Clicker Garden Randomizer

function RandomizeMuts(seed){
let extradiff = Number(prompt("Do you want the mutations to be easier or harder (negative = easier, positive = harder, leave 0 if you want to have them be somewhat balanced or whatever)"))
M=Game.Objects.Farm.minigame;
if(!seed) seed=Game.fullDate+"GR"+M.convertTimes;
for(let i=0; i<M.plantsById.length; i++){
M.plantsById[i].children=[]
}
Math.seedrandom(seed);
let keys = Object.keys(M.plants);
let availablePlants=[keys[0]];
let mutations=[];
let plantsLeft=keys.slice(1);
while(plantsLeft.length>0){
    let plantID=Math.floor(Math.random()*plantsLeft.length);
    let plant=plantsLeft[plantID];
    plantsLeft.splice(plantID, 1);
    let avPlants=[...availablePlants];
    if(M.plants[plant].fungus||M.plants[plant].weed)
    {
    if(avPlants.includes('tidygrass'))avPlants.splice(avPlants.indexOf('tidygrass'),1);
    if(avPlants.includes('everdaisy'))avPlants.splice(avPlants.indexOf('everdaisy'),1);
    }
    availablePlants.push(plant);
    let muts=[];
    let maxNeighs=8;
    let p=10**((Math.random()-1)*(3+extradiff));
    while(avPlants.length>0&&(muts.length==0||Math.random()<0.8*(1+extradiff)/muts.length))
    {
        let xplantID=Math.floor(Math.random()*avPlants.length);
        let xplant=avPlants[xplantID];
        let count=Math.ceil(maxNeighs*((1-Math.random())**3));
        if(!M.plants[xplant].plantable) count=Math.min(count, 4);
        maxNeighs-=count;
        let mature = Math.random()<(0.9+extradiff/20)
        muts.push([count, xplant, mature]);
        avPlants.splice(xplantID, 1)
        M.plants[xplant].children.push(plant)
    }
    mutations.push({plant:plant, reqs:muts, chance: p})
}
return mutations
}
const mutations=RandomizeMuts()
Game.Objects.Farm.minigame.getMuts=(All, Mature)=>{
let muts = []
for(let i=0; i<mutations.length; i++){
let met=true;
for(let a=0; a<mutations[i].reqs.length; a++){
let req=mutations[i].reqs[a]
if(!((!req[2]&&All[req[1]]>=req[0])||(Mature[req[1]]>=req[0])))met=false
}
if(met)muts.push([mutations[i].plant, mutations[i].chance])
}
return muts
}
Game.Objects.Farm.minigame.plants["meddleweed"].onKill=undefined;
eval('Game.Objects.Farm.minigame.logic='+Game.Objects.Farm.minigame.logic.toString().replace("else if (loop==0)\r\n\t\t\t\t\t\t\t\t\t{\r\n\t\t\t\t\t\t\t\t\t\t//weeds in empty tiles (no other plants must be nearby)\r\n\t\t\t\t\t\t\t\t\t\tvar chance=0.002*weedMult*M.plotBoost[y][x][2];\r\n\t\t\t\t\t\t\t\t\t\tif (Math.random()<chance) M.plot[y][x]=[M.plants['meddleweed'].id+1,0];\r\n\t\t\t\t\t\t\t\t\t}",""))