Add function to allow addition of custom weapons to PMCs

project/src/services/mod/CustomItemService.ts

@@ -1,5 +1,6 @@
 import { inject, injectable } from "tsyringe";
 
+import { ItemHelper } from "@spt-aki/helpers/ItemHelper";
 import { ITemplateItem, Props } from "@spt-aki/models/eft/common/tables/ITemplateItem";
 import {
     CreateItemResult,
@@ -23,6 +24,7 @@ export class CustomItemService
         @inject("HashUtil") protected hashUtil: HashUtil,
         @inject("JsonUtil") protected jsonUtil: JsonUtil,
         @inject("DatabaseServer") protected databaseServer: DatabaseServer,
+        @inject("ItemHelper") protected itemHelper: ItemHelper,
     )
     {
         this.tables = this.databaseServer.getTables();
@@ -197,4 +199,41 @@ export class CustomItemService
     {
         this.tables.templates.prices[newItemId] = fleaPriceRoubles;
     }
+
+    /**
+     * Add a custom weapon to PMCs loadout
+     * @param weaponTpl Custom weapon tpl to add to PMCs
+     * @param weaponWeight The weighting for the weapon to be picked vs other weapons
+     * @param weaponSlot The slot the weapon should be added to (e.g. FirstPrimaryWeapon/SecondPrimaryWeapon/Holster)
+     */
+    public addCustomWeaponToPMCs(weaponTpl: string, weaponWeight: number, weaponSlot: string): void
+    {
+        const weapon = this.itemHelper.getItem(weaponTpl);
+        if (!weapon[0])
+        {
+            this.logger.warning(`Unable to add custom weapon ${weaponTpl} to PMCs as it cannot be found in the Item db`);
+
+            return;
+        }
+        const baseWeaponModObject = {};
+
+        // Get all slots weapon has and create a dictionary of them with possible mods that slot into each
+        const weaponSltos = weapon[1]._props.Slots;
+        for (const slot of weaponSltos)
+        {
+            baseWeaponModObject[slot._name] = slot._props.filters[0].Filter;
+        }
+
+        // Get PMCs
+        const usec = this.databaseServer.getTables().bots.types.usec;
+        const bear = this.databaseServer.getTables().bots.types.bear;
+
+        // Add weapon base+mods into bear/usec data
+        usec.inventory.mods[weaponTpl] = baseWeaponModObject;
+        bear.inventory.mods[weaponTpl] = baseWeaponModObject;
+
+        // Add weapon to array of allowed weapons + weighting to be picked
+        usec.inventory.equipment[weaponSlot][weaponTpl] = weaponWeight;
+        bear.inventory.equipment[weaponSlot][weaponTpl] = weaponWeight;
+    }
 }