src/tasks/tick.ts

   1 import { Task } from './task';
   2 import { db } from '../lib/db';
   3
   4 type Tick = {
   5         lastTickAt: number;
   6         lastTick: number;
   7 };
   8
   9 export const tick = new Task<Tick>('tick', async (task, job) => {
  10
  11         const nextTick = job.data.lastTick+1;
  12
  13         // +population*1.1 is where we take into account farms for bonus food production
  14         let sql = `update cities set
  15         credits = credits + population * 2,
  16         food = round(
  17                 max(
  18                         food - (
  19                                 (soldiers*0.5)+
  20                                 (population*0.25)+
  21                                 (attackers*0.75)+
  22                                 (defenders*0.75)+
  23                                 (sp_attackers * 1.3)+
  24                                 (sp_defenders * 1.3)
  25                         ),
  26                         0
  27                 )
  28                  + farms * 50
  29         ),
  30   energy = min(
  31     max(
  32       energy - (
  33         farms * 4 +
  34         barracks * 6 +
  35         special_attacker_trainer * 10 +
  36         special_defender_trainer * 8 +
  37         homes * 1 +
  38         warehouses * 3 +
  39         solar_panels * 1 +
  40         accumulators * 10 +
  41         mining_facilities * 8 +
  42         ore_refinery * 4
  43       ),
  44       0
  45     ),
  46     accumulators * 150
  47   ),
  48   alloys = min(
  49     (alloys + mining_facilities * 20),
  50     ore_refinery * 75
  51   ),
  52         population = min(
  53                 (population + round(population * 0.08)),
  54                 homes * 25
  55         )`;
  56
  57         try {
  58                 await Promise.all([
  59                         db.raw(sql),
  60                         db.raw(`update ticks set current_tick = ${nextTick}, last_tick_at = ${Date.now()}`)
  61                 ]);
  62         }
  63         catch(e) {
  64                 console.log(e);
  65         }
  66         finally {
  67                 const now = new Date();
  68                 const nextTickAt = 60 - now.getMinutes();
  69                 console.log(`Tick scheduled for ${nextTickAt}min`);
  70
  71                 task.trigger({
  72                         lastTickAt: +now,
  73                         lastTick: nextTick
  74                 }, { delay: 60000 * nextTickAt});
  75         }
  76
  77 });