feat: Add loot builder backend + static data + DB migration
- Migration 013: loot_profiles table (JSONB loot_table + loot_groups, license-scoped) - TypeORM entity matching migration schema exactly - NestJS loot module: 10 endpoints (CRUD, duplicate, apply, import, export, containers) - Multiplier logic recursively scales Min/Max/Scrap across loot tables and groups - Apply-to-server writes BetterLoot JSON via NATS file manager + RCON reload - Frontend static data: 191 Rust items, 51 container prefabs - TypeScript types for BetterLoot data model (PrefabLoot, LootEntry, LootRNG, etc.) - Fix vue-tsc errors: UngroupedItems uses LootRNG, null safety in store/view Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Vantz Stockwell
258
backend-nest/src/modules/loot/loot.service.ts
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258
backend-nest/src/modules/loot/loot.service.ts
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import { Injectable, Logger, NotFoundException, HttpException, HttpStatus } from '@nestjs/common';
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import { InjectRepository } from '@nestjs/typeorm';
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import { Repository } from 'typeorm';
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import { LootProfile } from '../../entities/loot-profile.entity';
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import { NatsService } from '../../services/nats.service';
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import { CreateLootProfileDto } from './dto/create-loot-profile.dto';
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import { UpdateLootProfileDto } from './dto/update-loot-profile.dto';
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import { ImportLootProfileDto } from './dto/import-loot-profile.dto';
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import { RUST_CONTAINERS } from './data/rust-containers';
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@Injectable()
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export class LootService {
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private readonly logger = new Logger(LootService.name);
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constructor(
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@InjectRepository(LootProfile)
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private readonly lootRepo: Repository<LootProfile>,
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private readonly natsService: NatsService,
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) {}
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/** List profiles for a license (summaries — no JSONB) */
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async getProfiles(licenseId: string) {
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const profiles = await this.lootRepo.find({
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where: { license_id: licenseId },
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select: ['id', 'profile_name', 'description', 'is_active', 'created_at', 'updated_at'],
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order: { created_at: 'DESC' },
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});
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return { profiles };
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}
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/** Get full profile with JSONB data */
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async getProfile(licenseId: string, profileId: string) {
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const profile = await this.lootRepo.findOne({
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where: { id: profileId, license_id: licenseId },
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});
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if (!profile) throw new NotFoundException('Loot profile not found');
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return { profile };
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}
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/** Create a new profile */
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async createProfile(licenseId: string, dto: CreateLootProfileDto) {
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const profile = this.lootRepo.create({
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license_id: licenseId,
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profile_name: dto.profile_name,
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description: dto.description || null,
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loot_table: dto.loot_table || {},
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loot_groups: dto.loot_groups || {},
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});
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const saved = await this.lootRepo.save(profile);
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return { profile: saved };
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}
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/** Update an existing profile */
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async updateProfile(licenseId: string, profileId: string, dto: UpdateLootProfileDto) {
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const profile = await this.lootRepo.findOne({
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where: { id: profileId, license_id: licenseId },
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});
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if (!profile) throw new NotFoundException('Loot profile not found');
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if (dto.profile_name !== undefined) profile.profile_name = dto.profile_name;
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if (dto.description !== undefined) profile.description = dto.description;
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if (dto.loot_table !== undefined) profile.loot_table = dto.loot_table;
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if (dto.loot_groups !== undefined) profile.loot_groups = dto.loot_groups;
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if (dto.is_active !== undefined) profile.is_active = dto.is_active;
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profile.updated_at = new Date();
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const saved = await this.lootRepo.save(profile);
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return { profile: saved };
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}
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/** Delete a profile */
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async deleteProfile(licenseId: string, profileId: string) {
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const result = await this.lootRepo.delete({ id: profileId, license_id: licenseId });
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if (result.affected === 0) throw new NotFoundException('Loot profile not found');
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return { deleted: true };
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}
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/** Duplicate a profile */
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async duplicateProfile(licenseId: string, profileId: string) {
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const source = await this.lootRepo.findOne({
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where: { id: profileId, license_id: licenseId },
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});
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if (!source) throw new NotFoundException('Loot profile not found');
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const copy = this.lootRepo.create({
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license_id: licenseId,
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profile_name: `${source.profile_name} (Copy)`,
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description: source.description,
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loot_table: JSON.parse(JSON.stringify(source.loot_table)),
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loot_groups: JSON.parse(JSON.stringify(source.loot_groups)),
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is_active: false,
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});
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const saved = await this.lootRepo.save(copy);
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return { profile: saved };
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}
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/** Apply profile to server with multiplier */
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async applyToServer(licenseId: string, profileId: string, multiplier: number) {
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const profile = await this.lootRepo.findOne({
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where: { id: profileId, license_id: licenseId },
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});
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if (!profile) throw new NotFoundException('Loot profile not found');
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// Deep clone and apply multiplier
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const scaledTable = JSON.parse(JSON.stringify(profile.loot_table));
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const scaledGroups = JSON.parse(JSON.stringify(profile.loot_groups));
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if (multiplier !== 1) {
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this.applyMultiplierToTable(scaledTable, multiplier);
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this.applyMultiplierToGroups(scaledGroups, multiplier);
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}
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const lootTablesJson = JSON.stringify(scaledTable, null, 2);
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const lootGroupsJson = JSON.stringify(scaledGroups, null, 2);
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try {
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// Write LootTables.json via file manager NATS
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await this.natsService.request(
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`corrosion.${licenseId}.files.cmd`,
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{
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func: 'fm_save',
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path: 'server://oxide/data/BetterLoot/LootTables.json',
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content: lootTablesJson,
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},
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30000,
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);
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// Write LootGroups.json via file manager NATS
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await this.natsService.request(
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`corrosion.${licenseId}.files.cmd`,
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{
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func: 'fm_save',
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path: 'server://oxide/data/BetterLoot/LootGroups.json',
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content: lootGroupsJson,
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},
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30000,
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);
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// Reload BetterLoot plugin via RCON
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await this.natsService.publish(
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`corrosion.${licenseId}.cmd.server`,
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{
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action: 'command',
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command: 'oxide.reload BetterLoot',
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timestamp: new Date().toISOString(),
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},
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);
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// Mark this profile as active, deactivate others
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await this.lootRepo.update({ license_id: licenseId }, { is_active: false });
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await this.lootRepo.update(
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{ id: profileId, license_id: licenseId },
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{ is_active: true, updated_at: new Date() },
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);
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return {
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success: true,
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message: `Profile "${profile.profile_name}" applied with ${multiplier}x multiplier`,
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profile_name: profile.profile_name,
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multiplier,
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};
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} catch (error) {
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this.logger.error(`Failed to apply loot profile: ${(error as Error).message}`);
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throw new HttpException(
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'Failed to apply loot profile — agent may be offline',
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HttpStatus.SERVICE_UNAVAILABLE,
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);
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}
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}
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/** Import BetterLoot/Looty JSON as a new profile */
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async importProfile(licenseId: string, dto: ImportLootProfileDto) {
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const profile = this.lootRepo.create({
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license_id: licenseId,
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profile_name: dto.profile_name,
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description: dto.description || 'Imported profile',
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loot_table: dto.loot_table,
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loot_groups: dto.loot_groups || {},
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});
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const saved = await this.lootRepo.save(profile);
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return { profile: saved };
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}
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/** Export profile as BetterLoot-compatible JSON with optional multiplier */
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async exportProfile(licenseId: string, profileId: string, multiplier: number) {
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const profile = await this.lootRepo.findOne({
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where: { id: profileId, license_id: licenseId },
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});
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if (!profile) throw new NotFoundException('Loot profile not found');
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const exportTable = JSON.parse(JSON.stringify(profile.loot_table));
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const exportGroups = JSON.parse(JSON.stringify(profile.loot_groups));
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if (multiplier && multiplier !== 1) {
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this.applyMultiplierToTable(exportTable, multiplier);
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this.applyMultiplierToGroups(exportGroups, multiplier);
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}
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return {
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profile_name: profile.profile_name,
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multiplier: multiplier || 1,
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loot_table: exportTable,
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loot_groups: exportGroups,
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};
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}
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/** Get static list of Rust container prefabs */
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getContainers() {
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return { containers: RUST_CONTAINERS };
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}
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// --- Multiplier helpers ---
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private applyMultiplierToTable(table: Record<string, any>, multiplier: number) {
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for (const prefab of Object.values(table)) {
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if (prefab?.ItemSettings) {
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this.scaleField(prefab.ItemSettings, 'ItemsMin', multiplier);
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this.scaleField(prefab.ItemSettings, 'ItemsMax', multiplier);
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this.scaleField(prefab.ItemSettings, 'MinScrap', multiplier);
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this.scaleField(prefab.ItemSettings, 'MaxScrap', multiplier);
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}
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if (prefab?.GuaranteedItems) {
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this.scaleItems(prefab.GuaranteedItems, multiplier);
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}
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if (prefab?.UngroupedItems) {
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this.scaleItems(prefab.UngroupedItems, multiplier);
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}
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}
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}
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private applyMultiplierToGroups(groups: Record<string, any>, multiplier: number) {
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for (const group of Object.values(groups)) {
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if (group?.GuaranteedItems) {
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this.scaleItems(group.GuaranteedItems, multiplier);
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}
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if (group?.ItemList) {
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this.scaleItems(group.ItemList, multiplier);
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}
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}
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}
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private scaleItems(items: Record<string, any>, multiplier: number) {
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for (const item of Object.values(items)) {
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this.scaleField(item, 'Min', multiplier);
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this.scaleField(item, 'Max', multiplier);
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// Recursively scale bonus items
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if (item?.BonusItems) {
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this.scaleItems(item.BonusItems, multiplier);
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}
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}
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}
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private scaleField(obj: Record<string, any>, field: string, multiplier: number) {
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if (typeof obj[field] === 'number') {
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obj[field] = Math.round(obj[field] * multiplier);
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}
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}
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}
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