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69 lines
2.0 KiB
C#
69 lines
2.0 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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using System;
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using osu.Framework.Allocation;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.OpenGL.Vertices;
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using osu.Framework.Graphics.Shaders;
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using osu.Framework.Graphics.Sprites;
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namespace osu.Game.Graphics.Sprites
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{
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public class LogoAnimation : Sprite
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{
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[BackgroundDependencyLoader]
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private void load(ShaderManager shaders)
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{
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TextureShader = shaders.Load(VertexShaderDescriptor.TEXTURE_2, @"LogoAnimation");
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RoundedTextureShader = shaders.Load(VertexShaderDescriptor.TEXTURE_2, @"LogoAnimation"); // Masking isn't supported for now
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}
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private float animationProgress;
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public float AnimationProgress
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{
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get => animationProgress;
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set
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{
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if (animationProgress == value) return;
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animationProgress = value;
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Invalidate(Invalidation.DrawInfo);
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}
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}
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public override bool IsPresent => true;
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protected override DrawNode CreateDrawNode() => new LogoAnimationDrawNode(this);
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private class LogoAnimationDrawNode : SpriteDrawNode
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{
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private LogoAnimation source => (LogoAnimation)Source;
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private float progress;
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public LogoAnimationDrawNode(LogoAnimation source)
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: base(source)
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{
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}
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public override void ApplyState()
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{
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base.ApplyState();
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progress = source.animationProgress;
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}
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protected override void Blit(Action<TexturedVertex2D> vertexAction)
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{
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Shader.GetUniform<float>("progress").UpdateValue(ref progress);
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base.Blit(vertexAction);
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}
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protected override bool CanDrawOpaqueInterior => false;
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}
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}
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}
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