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Implement flashlight dimming on slider slide

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This commit is contained in:
David Zhao
2019-04-12 10:47:22 +09:00
parent 67a03bbc90
commit 664a4ba540
4 changed files with 48 additions and 5 deletions
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17
osu.Game/Rulesets/Mods/ModFlashlight.cs
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@ -80,6 +80,7 @@ namespace osu.Game.Rulesets.Mods
flashNode.ScreenSpaceDrawQuad = ScreenSpaceDrawQuad;
flashNode.FlashlightPosition = Vector2Extensions.Transform(FlashlightPosition, DrawInfo.Matrix);
flashNode.FlashlightSize = Vector2Extensions.Transform(FlashlightSize, DrawInfo.Matrix);
flashNode.FlashlightLightness = FlashlightLightness;
}
[BackgroundDependencyLoader]
@ -136,6 +137,20 @@ namespace osu.Game.Rulesets.Mods
Invalidate(Invalidation.DrawNode);
}
}
private float flashlightLightness = 1.0f;
public float FlashlightLightness
{
get => flashlightLightness;
set
{
if (flashlightLightness == value) return;
flashlightLightness = value;
Invalidate(Invalidation.DrawNode);
}
}
}
private class FlashlightDrawNode : DrawNode
@ -144,6 +159,7 @@ namespace osu.Game.Rulesets.Mods
public Quad ScreenSpaceDrawQuad;
public Vector2 FlashlightPosition;
public Vector2 FlashlightSize;
public float FlashlightLightness;
public override void Draw(Action<TexturedVertex2D> vertexAction)
{
@ -153,6 +169,7 @@ namespace osu.Game.Rulesets.Mods
Shader.GetUniform<Vector2>("flashlightPos").UpdateValue(ref FlashlightPosition);
Shader.GetUniform<Vector2>("flashlightSize").UpdateValue(ref FlashlightSize);
Shader.GetUniform<float>("flashlightLightness").UpdateValue(ref FlashlightLightness);
Texture.WhitePixel.DrawQuad(ScreenSpaceDrawQuad, DrawColourInfo.Colour, vertexAction: vertexAction);