113 lines
3.5 KiB
TypeScript
113 lines
3.5 KiB
TypeScript
import cloud from '@lafjs/cloud';
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import Utils from "@/Utils";
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const db = cloud.database();
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const level1 = [19, 20, 21, 22, 23];
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const level2 = [24, 25];
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const level3 = [26];
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/**头像抽卡 */
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export default async function (ctx: FunctionContext) {
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const uid = ctx.body.uid;
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let dbname = "users";
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const gameName = ctx.body.gameName;
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if (gameName == "iaa") {
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dbname = "usersAd";
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}
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let res = await db.collection(dbname).where({ _id: uid }).getOne();
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if (!res.data) {
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return {
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code: 0, data: null, msg: "未获取到玩家信息"
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}
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}
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const token1 = ctx.body.token;
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if (res.data && res.data.token) {
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let istoken = Utils.checkToken(token1, res.data.token);
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if (!istoken) {
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return { code: 0, data: null, msg: "token校验失败" };
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}
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}
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let film = res.data.film;
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if (!film && film != 0) {
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film = res.data.levelAmount;
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}
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let headArr = res.data.headArr;
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if (!headArr) {
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headArr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17] ];
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}
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let list1 = [];
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let list2 = [];
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let list3 = [];
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for (let i = 0; i < level1.length; i++) {
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if (!headArr.includes(level1[i])) {
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list1.push(level1[i]);
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}
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}
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for (let i = 0; i < level2.length; i++) {
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if (!headArr.includes(level2[i])) {
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list2.push(level2[i]);
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}
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}
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for (let i = 0; i < level3.length; i++) {
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if (!headArr.includes(level3[i])) {
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list3.push(level3[i]);
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}
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}
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let total = list1.length * 150 + list2.length * 50 + list3.length * 8;
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if (total == 0) {
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return { code: 0, data: null, msg: "已抽取所有头像" }
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}
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let totalCount = level1.length + level2.length + level3.length;
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// 计算
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let count = totalCount - (list1.length + list2.length + list3.length);
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// 阶梯消耗表：索引0对应消耗5，索引1对应消耗10，以此类推
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let filmConsumeTable = [5, 10, 25, 35, 55, 70, 100, 120];
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// 根据数量获取对应的消耗，数量超过7时取最后一个（120）
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let filmCost = filmConsumeTable[Math.min(count, 7)];
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// 执行消耗
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film -= filmCost;
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if (film < 0) {
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return { code: 0, data: null, msg: "代币不足" }
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}
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let num = Math.floor(Math.random() * total);
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let list = [];
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if (num < list1.length * 150) {
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list = list1;
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} else if (num < list1.length * 150 + list2.length * 50) {
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list = list2;
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} else {
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list = list3;
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}
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let num2 = Math.floor(Math.random() * list.length);
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if (list[num2] == 26) {
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for (let i = 0; i < level1.length; i++) {
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if (!headArr.includes(level1[i])) {
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headArr.push(level1[i]);
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}
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}
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for (let i = 0; i < level2.length; i++) {
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if (!headArr.includes(level2[i])) {
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headArr.push(level2[i]);
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}
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}
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for (let i = 0; i < level3.length; i++) {
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if (!headArr.includes(level3[i])) {
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headArr.push(level3[i]);
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}
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}
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} else {
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if (!headArr.includes(list[num2])) {
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headArr.push(list[num2]);
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}
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}
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await db.collection(dbname).where({ _id: uid }).update({ headArr: headArr, film: film });
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return { code: 1, data: { headArr: headArr, reward: list[num2], film: film }, msg: "成功" };
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}
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