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131 lines
4.5 KiB
C#
131 lines
4.5 KiB
C#
// 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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#nullable disable
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using System;
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using NUnit.Framework;
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using osu.Framework.Allocation;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Textures;
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using osu.Framework.Testing;
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using osu.Framework.Timing;
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using osu.Framework.Utils;
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using osu.Game.Graphics;
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using osu.Game.Skinning;
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using osuTK;
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namespace osu.Game.Tests.Visual.Gameplay
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{
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[TestFixture]
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public partial class TestSceneParticleSpewer : OsuTestScene
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{
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private TestParticleSpewer spewer;
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[Resolved]
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private SkinManager skinManager { get; set; }
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[BackgroundDependencyLoader]
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private void load()
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{
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Child = spewer = createSpewer();
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AddToggleStep("toggle spawning", value => spewer.Active.Value = value);
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AddSliderStep("particle gravity", 0f, 1f, 0f, value => spewer.Gravity = value);
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AddSliderStep("particle velocity", 0f, 1f, 0.5f, value => spewer.MaxVelocity = value);
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AddStep("move to new location", () =>
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{
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spewer.TransformTo(nameof(spewer.SpawnPosition), new Vector2(RNG.NextSingle(), RNG.NextSingle()), 1000, Easing.Out);
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});
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}
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[SetUpSteps]
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public void SetUpSteps()
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{
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AddStep("create spewer", () => Child = spewer = createSpewer());
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}
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[Test]
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public void TestPresence()
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{
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AddStep("start spewer", () => spewer.Active.Value = true);
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AddAssert("is present", () => spewer.IsPresent);
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AddWaitStep("wait for some particles", 3);
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AddStep("stop spewer", () => spewer.Active.Value = false);
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AddWaitStep("wait for clean screen", 8);
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AddAssert("is not present", () => !spewer.IsPresent);
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}
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[Test]
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public void TestTimeJumps()
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{
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ManualClock testClock = new ManualClock();
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AddStep("prepare clock", () =>
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{
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testClock.CurrentTime = TestParticleSpewer.MAX_DURATION * -3;
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spewer.Clock = new FramedClock(testClock);
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});
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AddStep("start spewer", () => spewer.Active.Value = true);
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AddAssert("spawned first particle", () => spewer.TotalCreatedParticles, () => Is.EqualTo(1));
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AddStep("move clock forward", () => testClock.CurrentTime = TestParticleSpewer.MAX_DURATION * 3);
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AddAssert("spawned second particle", () => spewer.TotalCreatedParticles, () => Is.EqualTo(2));
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AddStep("move clock backwards", () => testClock.CurrentTime = TestParticleSpewer.MAX_DURATION * -1);
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AddAssert("spawned third particle", () => spewer.TotalCreatedParticles, () => Is.EqualTo(3));
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}
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private TestParticleSpewer createSpewer() =>
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new TestParticleSpewer(skinManager.DefaultClassicSkin.GetTexture("star2"))
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{
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Origin = Anchor.Centre,
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RelativePositionAxes = Axes.Both,
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RelativeSizeAxes = Axes.Both,
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Position = new Vector2(0.5f),
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Size = new Vector2(0.5f),
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};
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private partial class TestParticleSpewer : ParticleSpewer
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{
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public const int MAX_DURATION = 1500;
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private const int rate = 250;
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public int TotalCreatedParticles { get; private set; }
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public float Gravity;
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public float MaxVelocity = 0.25f;
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public Vector2 SpawnPosition { get; set; } = new Vector2(0.5f);
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protected override float ParticleGravity => Gravity;
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public TestParticleSpewer(Texture texture)
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: base(texture, rate, MAX_DURATION)
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{
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}
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protected override FallingParticle CreateParticle()
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{
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TotalCreatedParticles++;
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return new FallingParticle
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{
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Velocity = new Vector2(
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RNG.NextSingle(-MaxVelocity, MaxVelocity),
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RNG.NextSingle(-MaxVelocity, MaxVelocity)
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),
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StartPosition = SpawnPosition,
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Duration = RNG.NextSingle(MAX_DURATION),
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StartAngle = RNG.NextSingle(MathF.PI * 2),
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EndAngle = RNG.NextSingle(MathF.PI * 2),
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EndScale = RNG.NextSingle(0.5f, 1.5f)
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};
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}
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}
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}
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}
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