モンゲWCルール戦闘シミュレーター

amg_simulation_wc_battle.js

const shaffleArray = array => {
    for(let i = array.length - 1; i > 0; i--){
        const r = Math.floor(Math.random() * (i + 1));
        const tmp = array[i];
        array[i] = array[r];
        array[r] = tmp;
    }
    return array;
};

// index0はプレイヤーAが1P側だった場合、index1はプレイヤーAが2P側だった場合とする
const probabilityList = [[
    [33, 67, 0],
    [47, 53, 0],
    [20, 78, 2],
    [54, 45, 1],
    [73, 22, 5],
    [84, 16, 0],
    [38, 57, 5],
    [41, 52, 7],
    [68, 32, 0],
    [61, 38, 1],
    [16, 72, 12],
    [22, 78, 0],
    [73, 27, 0],
    [39, 51, 10],
    [36, 64, 0],
],
[
    [20, 80, 0],
    [65, 35, 0],
    [20, 80, 0],
    [19, 81, 0],
    [50, 42, 8],
    [73, 26, 1],
    [62, 36, 2],
    [75, 19, 6],
    [39, 61, 0],
    [37, 62, 1],
    [81, 14, 5],
    [57, 43, 0],
    [49, 51, 0],
    [63, 21, 16],
    [45, 55, 0],
]];

const count = 1000000;
const result = {
    win1P: 0,
    win2P: 0,
    draw: 0
};

for (let i = 0; i < count; i++) {
    const map = shaffleArray([...Array(15).keys()]);
    let win1P = 0;
    let win2P = 0;
    let selectPlayerSide = Math.floor(Math.random() * 2) + 1;
    while (map.length > 0 && win1P < 2 && win2P < 2) {
        const selectedMap = map.shift();
        const rand = Math.random() * 100;
        const probability = probabilityList[selectPlayerSide % 2][selectedMap];
        if (rand < probability[0]) {
            if (selectPlayerSide % 2 === 0) {
                win1P++;
            } else {
                win2P++;
            }
        } else if(rand < (probability[0] + probability[1])) {
            if (selectPlayerSide % 2 === 0) {
                win2P++;
            } else {
                win1P++;
            }
        }
        selectPlayerSide++;
    }
    if (win1P === 2) {
        result.win1P++;
    } else if(win2P === 2) {
        result.win2P++;
    } else {
        result.draw++;
    }
}

console.log(`win1P : ` + result.win1P / count * 100 + `%`);
console.log(`win2P : ` + result.win2P / count * 100 + `%`);
console.log(`draw : ` + result.draw / count * 100 + `%`);
console.log(result);