寻宝：修改机器人伤害计算机制

game-server/app/services/comBattleService.ts

@@ -5,6 +5,8 @@ import { RoleStatus, ComBattleTeamModel } from './../db/ComBattleTeam';
 import { getBluePrtByQuality, getComBtlSetByQuality, getRewardByBlueprtId, getWarById, getWarIdByBlueprtId } from "../pubUtils/gamedata";
 import { getRandEelm, getRandValue, resResult, ratioReward } from "../pubUtils/util";
 import { getRandRobot } from "./battleService";
+import { difference } from 'underscore';
+import { Channel } from 'pinus';
 
 /**
  * 在给定的品质列表中随机返回一定数量的藏宝图Id
@@ -177,4 +179,83 @@ export async function getFrd(roleId: string, quality: number) {
 export async function updateTeamStatus(preStatus: number, newStatus: number) {
     if (preStatus === newStatus) return;
     await ComBattleTeamModel.updateStatusByStatus(preStatus, newStatus);
-}
+}
+
+/**
+ * @description 计算机器人每次对 boss 造成的伤害
+ * @param {number} bossHp boss 总血量
+ */
+function robotEachHurt(bossHp: number, bossCnt: number) {
+    const robotTotalHurt = bossHp * COM_BTL_CONST.ROBOT_HURT_RATIO;
+    const robotAverageHurt = robotTotalHurt / COM_BTL_CONST.ROBOT_ACT_LMT / bossCnt;
+    return getRandValue(robotAverageHurt, COM_BTL_CONST.ROBOT_HURT_CH_RATIO, 0)
+}
+
+/**
+ * @description 更新机器人阵亡情况
+ * @param {number} bossHp
+ * @param {RoleStatus} roleSt
+ */
+function updateRobotKilled(bossHp: number, roleSt: RoleStatus) {
+    const robotTotalHurt = bossHp * COM_BTL_CONST.ROBOT_HURT_RATIO;
+    // 让阵亡人数和打出伤害的进度同步，比如有 5 个武将，每打出目标总伤害的 1 / 5 应该增加一个阵亡武将
+    const dmgProgress = Math.floor(roleSt.totalDmg / (robotTotalHurt / roleSt.heroes.length));
+    if (dmgProgress > roleSt.killed.length && dmgProgress <= roleSt.heroes.length) {
+        const newKilledCnt = dmgProgress - roleSt.killed.length;
+        const aliveHeroes = difference(roleSt.heroes, roleSt.killed);
+        const newKilledHeroes = getRandEelm(aliveHeroes, newKilledCnt);
+        roleSt.killed.concat(newKilledHeroes);
+    }
+}
+
+/**
+ * @description 更新机器人对 boss 的伤害
+ * @export
+ * @param {*} teamStatus 要更新的队伍信息
+ * @param {RoleStatus} roleSt 要更新的玩家信息
+ */
+export function updateRobotHurt(teamStatus, roleSt: RoleStatus, channel: Channel) {
+    // 机器人的伤害为：boss 血量的一定比例，平均到一定回合数内，再平均到每个敌军，上下浮动一定比例
+    let eachHurtHp = robotEachHurt(teamStatus.bossHp, teamStatus.bossHpArr.length);
+    let robotTotalHurt = 0;
+    let actBossHurts = [];
+    for (let boss of teamStatus.bossHpArr) {
+        if (boss.curHp === 0) continue;
+        if (boss.curHp >= eachHurtHp) {
+            actBossHurts.push({dataId: boss.dataId, hurtHp: eachHurtHp});
+            robotTotalHurt += eachHurtHp;
+            boss.curHp -= eachHurtHp;
+        } else if (boss.curHp > 0) { // 丢弃溢出的伤害
+            actBossHurts.push({dataId: boss.dataId, hurtHp: boss.curHp});
+            robotTotalHurt += boss.curHp;
+            boss.curHp = 0;
+        }
+        break;
+    }
+    teamStatus.bossCurHp -= robotTotalHurt;
+    roleSt.totalDmg += robotTotalHurt;
+    updateRobotKilled(teamStatus.bossHp, roleSt);
+    channel.pushMessage('onTeammateAct', resResult(STATUS.SUCCESS, { teamCode: teamStatus.teamCode, bossCurHp: teamStatus.bossCurHp, bossHpArr: teamStatus.bossHpArr, roleStatus: roleSt, actRoleId: roleSt.roleId, actBossHurts }));
+
+}
+
+/**
+ * @description 按一定时间间隔刷新机器人伤害
+ * @export
+ * @param {*} teamStatus
+ * @param {RoleStatus} roleSt
+ * @param {number} interval
+ * @param {Channel} channel
+ * @param {Map<string, NodeJS.Timer>} robotHurtTimer
+ */
+export function updateRobotHurtByTime(teamStatus, roleSt: RoleStatus, interval: number, channel: Channel) {
+    const robotTimer = setInterval(() => {
+        const robotTotalHurt = teamStatus.bossHp * COM_BTL_CONST.ROBOT_HURT_RATIO;
+        if (roleSt.totalDmg < robotTotalHurt) {
+            updateRobotHurt(teamStatus, roleSt, channel);
+        } else {
+            clearInterval(robotTimer);
+        }
+    }, interval * 1000);
+}
+