health groundwork

migrations/20231121082135_initHealth.js

@@ -0,0 +1,19 @@
+/**
+ * @param { import("knex").Knex } knex
+ * @returns { Promise<void> }
+ */
+exports.up = function(knex) {
+  return knex.schema
+    .createTable('initHealth', table =>
+      table.string('user').notNullable().unique()
+    );
+};
+
+/**
+ * @param { import("knex").Knex } knex
+ * @returns { Promise<void> }
+ */
+exports.down = function(knex) {
+  return knex.schema
+    .dropTable('initHealth');
+};

src/lib/db.ts

@@ -86,4 +86,7 @@ export interface Session {
   accessToken: string,
   refreshToken: string,
   expiresAt: number,
+}
+export interface InitHealth {
+  user: string,
 }

src/lib/rpg/items.ts

@@ -1,5 +1,6 @@
 import { AutocompleteInteraction } from 'discord.js';
 import { CustomItem, ItemInventory, db } from '../db';
+import { MAX_HEALTH } from './pvp';
 
 export type DefaultItem = Omit<CustomItem, 'guild'>; // uses negative IDs
 export type Item = DefaultItem | CustomItem;
@@ -117,7 +118,7 @@ export const defaultItems: DefaultItem[] = [
     description: 'ow',
     emoji: '🩸',
     type: 'plain',
-    maxStack: 1024,
+    maxStack: MAX_HEALTH,
     untradable: false
   },
   {

src/lib/rpg/pvp.ts

@@ -0,0 +1,15 @@
+import { InitHealth, db } from '../db';
+import { DefaultItems, getDefaultItem, giveItem } from './items';
+
+export const MAX_HEALTH = 100;
+
+export async function initHealth(user: string) {
+  const isInitialized = await db<InitHealth>('initHealth')
+    .where('user', user)
+    .first();
+  
+  if (!isInitialized) {
+    giveItem(user, getDefaultItem(DefaultItems.BLOOD), MAX_HEALTH);
+    await db<InitHealth>('initHealth').insert({ user });
+  }
+}