46 lines
1.8 KiB
TypeScript
46 lines
1.8 KiB
TypeScript
/**
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* 体力系统
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*/
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import { ActionPointModel } from '../db/ActionPoint';
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import { ACTION_POIN } from '../consts';
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export async function getAp(now: number, roleId: string) {
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let dataAp = await ActionPointModel.getAp(roleId);
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const maxAp = ACTION_POIN.MAX; // 最大体力值
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const per = ACTION_POIN.PER; // 恢复时间（ms)
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let {ap, refTime} = dataAp;
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if(ap >= maxAp) {
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// 体力溢出不需要做时间的处理
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return { ap, maxAp, refTime: now, apRemainTime:0, isOver: true }
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} else {
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if(refTime > now) refTime = now; // refTime：每次记录时候最近的一个整的时间点，绝对不会大于now
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let n = Math.floor((now - refTime)/per); // 上次记录到现在可以增长多少体力
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ap += n; // 增加上
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if(ap >= maxAp) { // 加上后溢出了
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ap = maxAp;
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return { ap, maxAp, refTime: now, apRemainTime:0, isOver: true }
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} else {
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refTime += n * per; // 更新refTime到离现在最近的一个整的时间点
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let apRemainTime = Math.floor((refTime + per - now)/1000); // 恢复下一点需要多少时间
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return { ap, maxAp, refTime, apRemainTime, isOver: false }
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}
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}
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}
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export async function setAp(now: number, roleId: string, changeAp: number) {
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let ApResult = await getAp(now, roleId);
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let { ap, maxAp, refTime, apRemainTime, isOver } = ApResult; // 更新ap
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ap += changeAp;
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if(ap >= maxAp) { // 溢出
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refTime = now;
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apRemainTime = 0;
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}
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if(ap < 0) return null // 体力不足
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await ActionPointModel.saveAp(roleId, ap, refTime);
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if(isOver && ap < maxAp) apRemainTime = Math.floor(ACTION_POIN.PER / 1000); // 特殊处理
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return {ap, maxAp, refTime, apRemainTime}
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}
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