2020-10-23 11:40:13 +00:00
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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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2020-10-30 09:27:43 +00:00
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using System;
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2020-10-23 11:40:13 +00:00
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using System.Linq;
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using osu.Framework.Allocation;
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2020-10-29 16:31:42 +00:00
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using osu.Framework.Bindables;
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2020-10-23 11:40:13 +00:00
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Textures;
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using osu.Framework.Utils;
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using osu.Game.Configuration;
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using osu.Game.Online.API;
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using osu.Game.Online.API.Requests;
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using osu.Game.Online.API.Requests.Responses;
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namespace osu.Game.Graphics.Backgrounds
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{
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public class SeasonalBackgroundLoader : Component
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{
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/// <summary>
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/// Fired when background should be changed due to receiving backgrounds from API
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/// or when the user setting is changed (as it might require unloading the seasonal background).
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/// </summary>
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public event Action SeasonalBackgroundChanged;
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2020-10-30 20:49:14 +00:00
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[Resolved]
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private IAPIProvider api { get; set; }
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private readonly IBindable<APIState> apiState = new Bindable<APIState>();
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private Bindable<SeasonalBackgroundMode> seasonalBackgroundMode;
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private Bindable<APISeasonalBackgrounds> seasonalBackgrounds;
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private int current;
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[BackgroundDependencyLoader]
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private void load(OsuConfigManager config, SessionStatics sessionStatics)
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{
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seasonalBackgroundMode = config.GetBindable<SeasonalBackgroundMode>(OsuSetting.SeasonalBackgroundMode);
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seasonalBackgroundMode.BindValueChanged(_ => SeasonalBackgroundChanged?.Invoke());
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seasonalBackgrounds = sessionStatics.GetBindable<APISeasonalBackgrounds>(Static.SeasonalBackgrounds);
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seasonalBackgrounds.BindValueChanged(_ => SeasonalBackgroundChanged?.Invoke());
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apiState.BindTo(api.State);
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apiState.BindValueChanged(fetchSeasonalBackgrounds, true);
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}
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private void fetchSeasonalBackgrounds(ValueChangedEvent<APIState> stateChanged)
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{
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if (seasonalBackgrounds.Value != null || stateChanged.NewValue != APIState.Online)
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return;
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var request = new GetSeasonalBackgroundsRequest();
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request.Success += response =>
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{
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seasonalBackgrounds.Value = response;
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current = RNG.Next(0, response.Backgrounds?.Count ?? 0);
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};
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api.PerformAsync(request);
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}
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public SeasonalBackground LoadNextBackground()
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{
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if (seasonalBackgroundMode.Value == SeasonalBackgroundMode.Never
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|| (seasonalBackgroundMode.Value == SeasonalBackgroundMode.Sometimes && !isInSeason))
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{
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return null;
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}
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var backgrounds = seasonalBackgrounds.Value?.Backgrounds;
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if (backgrounds == null || !backgrounds.Any())
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return null;
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2020-10-30 15:43:18 +00:00
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current = (current + 1) % backgrounds.Count;
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string url = backgrounds[current].Url;
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return new SeasonalBackground(url);
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}
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private bool isInSeason => seasonalBackgrounds.Value != null && DateTimeOffset.Now < seasonalBackgrounds.Value.EndDate;
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}
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[LongRunningLoad]
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public class SeasonalBackground : Background
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{
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private readonly string url;
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private const string fallback_texture_name = @"Backgrounds/bg1";
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public SeasonalBackground(string url)
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{
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this.url = url;
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}
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[BackgroundDependencyLoader]
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private void load(LargeTextureStore textures)
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{
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Sprite.Texture = textures.Get(url) ?? textures.Get(fallback_texture_name);
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2020-10-30 21:40:24 +00:00
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// ensure we're not loading in without a transition.
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this.FadeInFromZero(200, Easing.InOutSine);
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}
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}
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}
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