improcket/js/game/inventory.mjs
2018-03-07 17:41:51 +00:00

114 lines
2.5 KiB
JavaScript

import {state} from './index.mjs';
import {modules} from '../data.mjs';
import {playerShip} from '../world/index.mjs';
import {images as assets} from '../assets.mjs';
import * as edit from '../game/edit.mjs';
import * as events from './events.mjs';
export const items = new Map();
export let currentItem = null;
export let capacity = 0;
export let usedSpace = 0;
let onupdate = () => {};
export function init() {
items.clear();
addItem('connector', 'xheavy');
addItem('connector', 'xheavy');
addItem('connector', 'xheavy');
addItem('connector', 'xheavy');
}
export function canToss() {
return !state.editing || edit.message === 'inventory too full'
|| edit.message === '';
}
export function getTiles() {
let list = Array.from(items.values());
list.sort((a, b) => toId(...a.ident) < toId(...b.ident));
usedSpace = list.reduce((a, b) => a + b.quantity, 0);
return list;
}
export function addItem(type, id) {
let mapId = toId(type, id);
if (!items.has(mapId)) items.set(mapId, new Tile(type, id));
let tile = items.get(mapId);
tile.increase();
update();
}
export function removeItem(type, id) {
let mapId = toId(type, id);
if (!items.has(mapId)) return;
let tile = items.get(mapId);
tile.decrease();
if (tile.quantity == 0) {
items.delete(mapId);
currentItem = null;
}
if (canToss())
events.tossItem();
update();
edit.validate();
}
export function selectItem(type, id) {
currentItem = items.get(toId(type, id));
update();
}
export function setOnupdate(func) {
onupdate = func;
}
function update() {
capacity = playerShip.cargoCapacity;
onupdate();
}
function toId(type, id) {
return `${type}.${id}`;
}
class Tile {
constructor(type, id, q = 0) {
this.type = type;
this.id = id;
this.mapId = toId(type, id);
this.quantity = q;
this.image = assets.modules[type][id];
this.data = modules[type][id];
if (type === 'thruster') this.image = this.image.off;
}
get textInfo() {
let text = this.data.name + '\n\n' + this.data.tooltip + '\n\n';
text += 'Mass: ' + this.data.mass + '\n';
if (this.type === 'thruster')
text += 'Power: ' + this.data.thrust + '\n';
if (this.type === 'fuel')
text += 'Fuel capacity: ' + this.data.fuelCapacity + '\n';
if (this.type === 'capsule') {
text += 'Rotational power: ' + this.data.rotation + '\n';
text += 'Cargo space: ' + this.data.capacity + '\n';
}
return text;
}
get ident() {
return [this.type, this.id];
}
increase() {
this.quantity++;
}
decrease() {
this.quantity = Math.max(0, this.quantity - 1);
}
}