381 lines
16 KiB
C#
381 lines
16 KiB
C#
using LocationsApi.Models;
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using MongoDB.Driver;
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namespace LocationsApi.Services;
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public class ResourceService
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{
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private readonly IMongoCollection<PlayerResources> _resources;
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private readonly IMongoCollection<Location> _locations;
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private readonly GameSettingsService _settings;
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private readonly int _startingGold;
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private readonly int _headquartersGoldPerMinute;
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private readonly int _townHallGoldCapacity;
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private readonly int _townHallWoodCapacity;
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private readonly int _townHallOreCapacity;
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private readonly int _townHallFoodCapacity;
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private readonly int _productionBuildingResourceCapacity;
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public ResourceService(IConfiguration cfg, GameSettingsService settings)
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{
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var connectionString = cfg["MongoDB:ConnectionString"] ?? "mongodb://127.0.0.1:27017";
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var databaseName = cfg["MongoDB:DatabaseName"] ?? "territory-autobattler";
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var client = new MongoClient(connectionString);
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var database = client.GetDatabase(databaseName);
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_resources = database.GetCollection<PlayerResources>("PlayerResources");
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_locations = database.GetCollection<Location>("Locations");
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_settings = settings;
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_startingGold = int.TryParse(cfg["Resources:StartingGold"], out var startingGold) ? Math.Max(0, startingGold) : 100;
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_headquartersGoldPerMinute = int.TryParse(cfg["Resources:HeadquartersGoldPerMinute"], out var goldPerMinute)
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? Math.Max(0, goldPerMinute)
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: 10;
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_townHallGoldCapacity = int.TryParse(cfg["Resources:TownHallGoldCapacity"], out var goldCapacity)
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? Math.Max(0, goldCapacity)
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: 500;
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_townHallWoodCapacity = int.TryParse(cfg["Resources:TownHallWoodCapacity"], out var woodCapacity)
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? Math.Max(0, woodCapacity)
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: 100;
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_townHallOreCapacity = int.TryParse(cfg["Resources:TownHallOreCapacity"], out var oreCapacity)
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? Math.Max(0, oreCapacity)
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: 100;
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_townHallFoodCapacity = int.TryParse(cfg["Resources:TownHallFoodCapacity"], out var foodCapacity)
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? Math.Max(0, foodCapacity)
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: 100;
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_productionBuildingResourceCapacity = int.TryParse(cfg["Buildings:ProductionBuildingResourceCapacity"], out var productionBuildingResourceCapacity)
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? Math.Max(0, productionBuildingResourceCapacity)
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: 10;
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_resources.Indexes.CreateOne(new CreateIndexModel<PlayerResources>(
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Builders<PlayerResources>.IndexKeys.Ascending(x => x.Username),
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new CreateIndexOptions { Unique = true }));
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}
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public async Task<PlayerResources> EnsureAsync(string username)
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{
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var now = DateTime.UtcNow;
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var startingGold = await _settings.GetNonNegativeIntAsync(GameSettingsService.StartingGold, _startingGold);
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var goldPerMinute = await _settings.GetNonNegativeIntAsync(GameSettingsService.HeadquartersGoldPerMinute, _headquartersGoldPerMinute);
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var goldCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.TownHallGoldCapacity, _townHallGoldCapacity);
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var woodCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.TownHallWoodCapacity, _townHallWoodCapacity);
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var oreCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.TownHallOreCapacity, _townHallOreCapacity);
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var foodCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.TownHallFoodCapacity, _townHallFoodCapacity);
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var update = Builders<PlayerResources>.Update
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.SetOnInsert(x => x.Username, username)
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.SetOnInsert(x => x.Gold, Math.Min(startingGold, goldCapacity))
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.SetOnInsert(x => x.Wood, 0)
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.SetOnInsert(x => x.Ore, 0)
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.SetOnInsert(x => x.Food, 0)
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.SetOnInsert(x => x.CreatedAtUtc, now)
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.SetOnInsert(x => x.LastGoldGeneratedAtUtc, now)
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.SetOnInsert(x => x.LastWoodGeneratedAtUtc, now)
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.SetOnInsert(x => x.LastOreGeneratedAtUtc, now)
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.SetOnInsert(x => x.LastFoodGeneratedAtUtc, now)
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.Set(x => x.GoldPerMinute, goldPerMinute)
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.Set(x => x.GoldCapacity, goldCapacity)
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.Set(x => x.WoodCapacity, woodCapacity)
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.Set(x => x.OreCapacity, oreCapacity)
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.Set(x => x.FoodCapacity, foodCapacity)
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.Set(x => x.UpdatedAtUtc, now);
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var resources = await _resources.FindOneAndUpdateAsync(
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x => x.Username == username,
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update,
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new FindOneAndUpdateOptions<PlayerResources>
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{
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IsUpsert = true,
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ReturnDocument = ReturnDocument.After
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});
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return await ApplyResourceGenerationAsync(resources);
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}
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public async Task<PlayerResources> GetAsync(string username)
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{
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var resources = await EnsureAsync(username);
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return await ApplyProductionBuildingDeliveryAsync(resources);
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}
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public async Task<bool> TrySpendGoldAsync(string username, int amount)
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{
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if (amount <= 0)
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{
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return true;
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}
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await EnsureAsync(username);
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var update = Builders<PlayerResources>.Update
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.Inc(x => x.Gold, -amount)
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.Set(x => x.UpdatedAtUtc, DateTime.UtcNow);
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var updated = await _resources.FindOneAndUpdateAsync(
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x => x.Username == username && x.Gold >= amount,
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update,
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new FindOneAndUpdateOptions<PlayerResources>
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{
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ReturnDocument = ReturnDocument.After
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});
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return updated is not null;
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}
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public async Task<bool> TrySpendResourcesAsync(string username, int gold, int wood, int ore)
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{
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gold = Math.Max(0, gold);
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wood = Math.Max(0, wood);
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ore = Math.Max(0, ore);
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if (gold == 0 && wood == 0 && ore == 0)
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{
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return true;
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}
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await EnsureAsync(username);
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var update = Builders<PlayerResources>.Update
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.Inc(x => x.Gold, -gold)
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.Inc(x => x.Wood, -wood)
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.Inc(x => x.Ore, -ore)
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.Set(x => x.UpdatedAtUtc, DateTime.UtcNow);
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var updated = await _resources.FindOneAndUpdateAsync(
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x => x.Username == username && x.Gold >= gold && x.Wood >= wood && x.Ore >= ore,
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update,
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new FindOneAndUpdateOptions<PlayerResources>
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{
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ReturnDocument = ReturnDocument.After
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});
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return updated is not null;
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}
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public async Task AddWoodGenerationAsync(string username, int woodPerMinute)
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{
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if (woodPerMinute <= 0)
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{
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return;
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}
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var resources = await EnsureAsync(username);
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var now = DateTime.UtcNow;
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var update = Builders<PlayerResources>.Update
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.Inc(x => x.WoodPerMinute, woodPerMinute)
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.Set(x => x.UpdatedAtUtc, now);
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if (resources.WoodPerMinute <= 0 || resources.LastWoodGeneratedAtUtc.Year < 2000)
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{
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update = update.Set(x => x.LastWoodGeneratedAtUtc, now);
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}
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await _resources.UpdateOneAsync(x => x.Username == username, update);
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}
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public async Task AddOreGenerationAsync(string username, int orePerMinute)
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{
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if (orePerMinute <= 0)
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{
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return;
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}
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var resources = await EnsureAsync(username);
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var now = DateTime.UtcNow;
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var update = Builders<PlayerResources>.Update
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.Inc(x => x.OrePerMinute, orePerMinute)
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.Set(x => x.UpdatedAtUtc, now);
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if (resources.OrePerMinute <= 0 || resources.LastOreGeneratedAtUtc.Year < 2000)
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{
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update = update.Set(x => x.LastOreGeneratedAtUtc, now);
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}
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await _resources.UpdateOneAsync(x => x.Username == username, update);
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}
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public async Task AddFoodGenerationAsync(string username, int foodPerMinute)
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{
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if (foodPerMinute <= 0)
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{
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return;
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}
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var resources = await EnsureAsync(username);
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var now = DateTime.UtcNow;
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var update = Builders<PlayerResources>.Update
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.Inc(x => x.FoodPerMinute, foodPerMinute)
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.Set(x => x.UpdatedAtUtc, now);
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if (resources.FoodPerMinute <= 0 || resources.LastFoodGeneratedAtUtc.Year < 2000)
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{
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update = update.Set(x => x.LastFoodGeneratedAtUtc, now);
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}
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await _resources.UpdateOneAsync(x => x.Username == username, update);
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}
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public async Task SetBuildingGenerationAsync(string username, int woodPerMinute, int orePerMinute, int foodPerMinute)
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{
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await EnsureAsync(username);
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var now = DateTime.UtcNow;
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var update = Builders<PlayerResources>.Update
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.Set(x => x.WoodPerMinute, Math.Max(0, woodPerMinute))
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.Set(x => x.OrePerMinute, Math.Max(0, orePerMinute))
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.Set(x => x.FoodPerMinute, Math.Max(0, foodPerMinute))
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.Set(x => x.UpdatedAtUtc, now);
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if (woodPerMinute > 0)
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{
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update = update.Set(x => x.LastWoodGeneratedAtUtc, now);
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}
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if (orePerMinute > 0)
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{
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update = update.Set(x => x.LastOreGeneratedAtUtc, now);
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}
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if (foodPerMinute > 0)
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{
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update = update.Set(x => x.LastFoodGeneratedAtUtc, now);
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}
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await _resources.UpdateOneAsync(x => x.Username == username, update);
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}
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private async Task<PlayerResources> ApplyResourceGenerationAsync(PlayerResources resources)
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{
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var now = DateTime.UtcNow;
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var goldPerMinute = await _settings.GetNonNegativeIntAsync(GameSettingsService.HeadquartersGoldPerMinute, _headquartersGoldPerMinute);
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var goldCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.TownHallGoldCapacity, _townHallGoldCapacity);
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var woodCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.TownHallWoodCapacity, _townHallWoodCapacity);
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var oreCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.TownHallOreCapacity, _townHallOreCapacity);
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var foodCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.TownHallFoodCapacity, _townHallFoodCapacity);
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var goldElapsedMinutes = goldPerMinute <= 0
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? 0
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: (int)Math.Floor((now - resources.LastGoldGeneratedAtUtc).TotalMinutes);
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var cappedGold = Math.Min(resources.Gold, goldCapacity);
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var cappedWood = Math.Min(resources.Wood, woodCapacity);
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var cappedOre = Math.Min(resources.Ore, oreCapacity);
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var cappedFood = Math.Min(resources.Food, foodCapacity);
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var isOverCapacity = resources.Gold != cappedGold || resources.Wood != cappedWood || resources.Ore != cappedOre || resources.Food != cappedFood;
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if (goldElapsedMinutes <= 0 && !isOverCapacity)
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{
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return resources;
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}
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var update = Builders<PlayerResources>.Update
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.Set(x => x.GoldPerMinute, goldPerMinute)
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.Set(x => x.GoldCapacity, goldCapacity)
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.Set(x => x.WoodCapacity, woodCapacity)
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.Set(x => x.OreCapacity, oreCapacity)
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.Set(x => x.FoodCapacity, foodCapacity)
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.Set(x => x.UpdatedAtUtc, now);
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if (isOverCapacity)
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{
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update = update
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.Set(x => x.Gold, cappedGold)
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.Set(x => x.Wood, cappedWood)
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.Set(x => x.Ore, cappedOre)
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.Set(x => x.Food, cappedFood);
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}
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if (goldElapsedMinutes > 0)
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{
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var generatedGold = Math.Min(goldCapacity, cappedGold + (goldElapsedMinutes * goldPerMinute));
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update = update
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.Set(x => x.Gold, generatedGold)
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.Set(x => x.LastGoldGeneratedAtUtc, resources.LastGoldGeneratedAtUtc.AddMinutes(goldElapsedMinutes));
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}
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return await _resources.FindOneAndUpdateAsync(
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x => x.Username == resources.Username,
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update,
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new FindOneAndUpdateOptions<PlayerResources>
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{
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ReturnDocument = ReturnDocument.After
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});
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}
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private async Task<PlayerResources> ApplyProductionBuildingDeliveryAsync(PlayerResources resources)
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{
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var now = DateTime.UtcNow;
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var woodCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.TownHallWoodCapacity, _townHallWoodCapacity);
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var oreCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.TownHallOreCapacity, _townHallOreCapacity);
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var foodCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.TownHallFoodCapacity, _townHallFoodCapacity);
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var buildingCapacity = await _settings.GetNonNegativeIntAsync(GameSettingsService.ProductionBuildingResourceCapacity, _productionBuildingResourceCapacity);
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var logCampWoodPerMinute = await _settings.GetNonNegativeIntAsync(GameSettingsService.LogCampWoodPerMinute, 5);
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var mineOrePerMinute = await _settings.GetNonNegativeIntAsync(GameSettingsService.MineOrePerMinute, 5);
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var farmFoodPerMinute = await _settings.GetNonNegativeIntAsync(GameSettingsService.FarmFoodPerMinute, 5);
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var buildings = await _locations.Find(x =>
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x.OwnerUsername == resources.Username &&
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!string.IsNullOrWhiteSpace(x.WorkerUnitId) &&
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(x.BuildingStatus == "Built" || x.BuildingStatus == null || x.BuildingStatus == "") &&
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(x.BuildingType == "LogCamp" || x.BuildingType == "Mine" || x.BuildingType == "Farm"))
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.ToListAsync();
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var wood = Math.Min(resources.Wood, woodCapacity);
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var ore = Math.Min(resources.Ore, oreCapacity);
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var food = Math.Min(resources.Food, foodCapacity);
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foreach (var building in buildings)
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{
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var rate = building.BuildingType switch
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{
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"LogCamp" => logCampWoodPerMinute,
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"Mine" => mineOrePerMinute,
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"Farm" => farmFoodPerMinute,
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_ => 0
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};
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var lastGenerated = building.LastResourceGeneratedAtUtc ?? building.BuildingBuiltAtUtc ?? now;
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var elapsedMinutes = rate <= 0 ? 0 : (int)Math.Floor((now - lastGenerated).TotalMinutes);
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var stored = Math.Min(buildingCapacity, Math.Max(0, building.StoredResourceAmount) + (elapsedMinutes * rate));
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var delivered = 0;
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if (building.BuildingType == "LogCamp")
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{
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delivered = Math.Min(stored, Math.Max(0, woodCapacity - wood));
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wood += delivered;
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}
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else if (building.BuildingType == "Mine")
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{
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delivered = Math.Min(stored, Math.Max(0, oreCapacity - ore));
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ore += delivered;
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}
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else if (building.BuildingType == "Farm")
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{
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delivered = Math.Min(stored, Math.Max(0, foodCapacity - food));
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food += delivered;
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}
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var update = Builders<Location>.Update
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.Set(x => x.StoredResourceAmount, stored - delivered)
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.Set(x => x.StoredResourceCapacity, buildingCapacity)
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.Set(x => x.UpdatedAtUtc, now);
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if (elapsedMinutes > 0 || building.LastResourceGeneratedAtUtc is null)
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{
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update = update.Set(x => x.LastResourceGeneratedAtUtc, lastGenerated.AddMinutes(elapsedMinutes));
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}
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await _locations.UpdateOneAsync(x => x.Id == building.Id, update);
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}
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return await _resources.FindOneAndUpdateAsync(
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x => x.Username == resources.Username,
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Builders<PlayerResources>.Update
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.Set(x => x.Wood, wood)
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.Set(x => x.Ore, ore)
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.Set(x => x.Food, food)
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.Set(x => x.WoodCapacity, woodCapacity)
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.Set(x => x.OreCapacity, oreCapacity)
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.Set(x => x.FoodCapacity, foodCapacity)
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.Set(x => x.UpdatedAtUtc, now),
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new FindOneAndUpdateOptions<PlayerResources>
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{
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ReturnDocument = ReturnDocument.After
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});
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}
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}
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