feat: Item charges left trigger

Closes #71

src/triggers/core/index.mts

@@ -1,5 +1,6 @@
 import './equipped-food-count';
 import './equipped-item-count';
+import './item-charges-trigger';
 import './item-quantity-trigger';
 import './level-gained-trigger';
 import './mastery-level-trigger.mjs';

src/triggers/core/item-charges-trigger.tsx

@@ -0,0 +1,54 @@
+import type {EquipmentItem as TEquipmentItem} from 'melvor';
+import {Fragment} from 'preact';
+import {InternalCategory} from '../../lib/registries/action-registry.mjs';
+import {defineLocalTrigger} from '../../lib/util/define-local.mjs';
+import {BigNum} from '../../ui/components/big-num';
+import {RenderNodeMedia} from '../../ui/pages/workflows-dashboard/render-node-media';
+
+interface Data {
+  charges: number;
+
+  item: TEquipmentItem;
+}
+
+function check({charges, item}: Data): boolean {
+  return (game.itemCharges.charges.get(item) ?? 0) <= charges;
+}
+
+const triggerCtx = defineLocalTrigger<Data>({
+  category: InternalCategory.CORE,
+  check,
+  compactRender: ({charges, item}) => (
+    <Fragment>
+      <span>{'≤ '}</span>
+      <BigNum num={charges}/>
+      <span>{' charges on '}</span>
+      <RenderNodeMedia label={item.name} media={item.media}/>
+    </Fragment>
+  ),
+  init() {
+    ctx.patch(Player, 'consumeEquipmentCharges').after(() => {
+      triggerCtx.notifyListeners(check);
+    });
+  },
+  label: 'Item charges left',
+  localID: 'itemCharges',
+  media: game.items.getObjectByID('melvorD:Gem_Gloves')!.media,
+  options: [
+    {
+      label: 'Item',
+      localID: 'item',
+      mediaFilter: item => item instanceof EquipmentItem,
+      registry: 'items',
+      required: true,
+      type: 'MediaItem',
+    },
+    {
+      label: 'Charges',
+      localID: 'charges',
+      min: 0,
+      required: true,
+      type: Number,
+    },
+  ],
+});

types/melvor/game/core.d.ts

@@ -32,6 +32,10 @@ import type {
   Woodcutting,
 } from './skilling';
 
+export class ItemCharges {
+  charges: Map<Item, number>;
+}
+
 export class NamespacedObject {
   constructor(namespace: Pick<Namespace, 'name'>, localID: string);
 
@@ -197,6 +201,8 @@ export class Game {
 
   herblore: Herblore;
 
+  itemCharges: ItemCharges;
+
   items: ItemRegistry;
 
   mining: Mining;

types/melvor/game/toon.d.ts

@@ -115,6 +115,8 @@ export class Player extends Character {
 
   changeEquipmentSet(setId: number): void;
 
+  consumeEquipmentCharges(event: unknown, interval: unknown): void;
+
   consumePrayerPoints(amount: number): void;
 
   disableActivePrayers(): void;