src/events/travel/server.ts

   1 import {movePlayer, updatePlayer} from "../../server/player";
   2 import {getCityDetails, getAllServices, getAllPaths, travel, getTravelPlan, stepForward, completeTravel} from "../../server/map";
   3 import {SocketEvent} from "../../server/socket-event.server";
   4 import { sample, random } from 'lodash';
   5 import { createFight, getRandomMonster, loadMonster } from "../../server/monster";
   6
   7 const MONSTER_ENCOUNTER_CHANCE = 30;
   8
   9 export const explore: SocketEvent = {
  10   eventName: 'city:travel',
  11   handler: async (api, data: { args: string }) => {
  12     if(api.player.hp <= 0) {
  13       api.socket.emit('alert', {
  14         type: 'error',
  15         text: 'Sorry, you need some HP to start your travel'
  16       });
  17       return;
  18     }
  19
  20     const destinationCity = parseInt(data.args);
  21
  22
  23     if(!destinationCity || isNaN(destinationCity)) {
  24       console.log(`Invalid destination city [${destinationCity}]`);
  25       return;
  26     }
  27
  28     try {
  29       const city = await getCityDetails(destinationCity);
  30
  31       if(!city) {
  32         console.log(`Invalid destination city [${destinationCity}]`);
  33         return;
  34       }
  35
  36       console.log(`${api.player.username} attempting travel to ${city.name}`);
  37       const travelPlan = await travel(api.player, city.id);
  38
  39       api.socket.emit('city:travel', {
  40         things: [],
  41         closestTown: api.player.city_id,
  42         walkingText: ''
  43       });
  44     }
  45     catch(e) {
  46       console.log(e);
  47     }
  48   }
  49 }
  50
  51 const walkingText: string[] = [
  52   'You take a step forward',
  53   'You keep moving'
  54 ];
  55
  56 export const nextStep: SocketEvent = {
  57   eventName: 'travel:step',
  58   handler: async (api, data: { args: string }) => {
  59     const travelPlan = await getTravelPlan(api.player.id);
  60
  61     if(!travelPlan) {
  62       return;
  63     }
  64
  65     travelPlan.current_position++;
  66     if(travelPlan.current_position >= travelPlan.total_distance) {
  67       const travel = await completeTravel(api.player.id);
  68
  69       api.player.city_id = travel.destination_id;
  70       await movePlayer(travel.destination_id, api.player.id);
  71
  72       const [city, locations, paths] = await Promise.all([
  73         getCityDetails(travel.destination_id),
  74         getAllServices(travel.destination_id),
  75         getAllPaths(travel.destination_id)
  76       ]);
  77
  78       api.socket.emit('city:display', {
  79         city,
  80         locations,
  81         paths
  82       });
  83     }
  84     else {
  85       // update existing plan..
  86       // decide if they will run into anything
  87       const travelPlan = await stepForward(api.player.id);
  88
  89       const closest: number = (travelPlan.current_position / travelPlan.total_distance) > 0.5 ? travelPlan.destination_id : travelPlan.source_id;
  90
  91       // @TODO send back monsters
  92       const chanceToSeeMonster = random(0, 100);
  93       const things: any[] = [];
  94       if(chanceToSeeMonster < MONSTER_ENCOUNTER_CHANCE) {
  95         const monster = await getRandomMonster([closest]);
  96         things.push(monster);
  97       }
  98
  99       // send back NOTHING!
 100       api.socket.emit('city:travel', {
 101         things,
 102         closestTown: closest,
 103         walkingText: sample(walkingText)
 104       });
 105     }
 106   }
 107 };