empty slot linked search

server/src/RagfairLinkedSlotItemService.ts

@@ -0,0 +1,45 @@
+import { ItemHelper } from "@spt/helpers/ItemHelper";
+import { ITemplateItem } from "@spt/models/eft/common/tables/ITemplateItem";
+import { ILogger } from "@spt/models/spt/utils/ILogger";
+import { DatabaseService } from "@spt/services/DatabaseService";
+import { RagfairLinkedItemService } from "@spt/services/RagfairLinkedItemService";
+import { inject, injectable } from "tsyringe";
+
+@injectable()
+export class RagfairLinkedSlotItemService extends RagfairLinkedItemService {
+    constructor(
+        @inject("DatabaseService") protected databaseService: DatabaseService,
+        @inject("ItemHelper") protected itemHelper: ItemHelper,
+        @inject("PrimaryLogger") protected logger: ILogger
+    ) {
+        super(databaseService, itemHelper);
+    }
+
+    public override getLinkedItems(linkedSearchId: string): Set<string> {
+        const [tpl, slotName] = linkedSearchId.split(":", 2);
+
+        if (slotName) {
+            this.logger.info(`UIFixes: Finding items for specific slot ${tpl}:${slotName}`);
+            return this.getSpecificFilter(this.databaseService.getItems()[tpl], slotName);
+        }
+
+        return super.getLinkedItems(tpl);
+    }
+
+    protected getSpecificFilter(item: ITemplateItem, slotName: string): Set<string> {
+        const results = new Set<string>();
+
+        // For whatever reason, all chamber slots have the name "patron_in_weapon"
+        const groupName = slotName === "patron_in_weapon" ? "Chambers" : "Slots";
+        const group = item._props[groupName] ?? [];
+
+        const sub = group.find(slot => slot._name === slotName);
+        for (const filter of sub?._props?.filters ?? []) {
+            for (const f of filter.Filter) {
+                results.add(f);
+            }
+        }
+
+        return results;
+    }
+}

server/src/mod.ts

@@ -10,6 +10,7 @@ import type { ILogger } from "@spt/models/spt/utils/ILogger";
 import type { DatabaseService } from "@spt/services/DatabaseService";
 import type { StaticRouterModService } from "@spt/services/mod/staticRouter/StaticRouterModService";
 import type { ICloner } from "@spt/utils/cloners/ICloner";
+import { RagfairLinkedSlotItemService } from "./RagfairLinkedSlotItemService";
 
 import config from "../config/config.json";
 
@@ -143,6 +144,10 @@ class UIFixes implements IPreSptLoadMod {
             );
         }
 
+        // Register slot-aware linked item service
+        container.register<RagfairLinkedSlotItemService>("RagfairLinkedSlotItemService", RagfairLinkedSlotItemService);
+        container.register("RagfairLinkedItemService", { useToken: "RagfairLinkedSlotItemService" });
+
         staticRouterModService.registerStaticRouter(
             "UIFixesRoutes",
             [