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mirror of https://github.com/ppy/osu.git synced 2024-12-17 23:02:55 +08:00

clean up code duplication

This commit is contained in:
OliBomby 2023-12-28 21:00:47 +01:00
parent 92c3b142a4
commit d0c8b285ce
3 changed files with 195 additions and 324 deletions

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@ -0,0 +1,173 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Layout;
using osu.Framework.Utils;
using osuTK;
namespace osu.Game.Screens.Edit.Compose.Components
{
public abstract partial class LinedPositionSnapGrid : CompositeDrawable
{
private Vector2 startPosition;
/// <summary>
/// The position of the origin of this <see cref="TriangularPositionSnapGrid"/> in local coordinates.
/// </summary>
public Vector2 StartPosition
{
get => startPosition;
set
{
startPosition = value;
GridCache.Invalidate();
}
}
protected readonly LayoutValue GridCache = new LayoutValue(Invalidation.RequiredParentSizeToFit);
protected LinedPositionSnapGrid(Vector2 startPosition)
{
StartPosition = startPosition;
Masking = true;
AddLayout(GridCache);
}
protected override void Update()
{
base.Update();
if (!GridCache.IsValid)
{
ClearInternal();
if (DrawWidth > 0 && DrawHeight > 0)
CreateContent();
GridCache.Validate();
}
}
protected abstract void CreateContent();
protected void GenerateGridLines(Vector2 step, Vector2 drawSize)
{
int index = 0;
var currentPosition = startPosition;
// Make lines the same width independent of display resolution.
float lineWidth = DrawWidth / ScreenSpaceDrawQuad.Width;
float lineLength = drawSize.Length * 2;
List<Box> generatedLines = new List<Box>();
while (lineDefinitelyIntersectsBox(currentPosition, step.PerpendicularLeft, drawSize) ||
isMovingTowardsBox(currentPosition, step, drawSize))
{
var gridLine = new Box
{
Colour = Colour4.White,
Alpha = 0.1f,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.None,
Width = lineWidth,
Height = lineLength,
Position = currentPosition,
Rotation = MathHelper.RadiansToDegrees(MathF.Atan2(step.Y, step.X)),
};
generatedLines.Add(gridLine);
index += 1;
currentPosition = startPosition + index * step;
}
if (generatedLines.Count == 0)
return;
generatedLines.First().Alpha = 0.3f;
AddRangeInternal(generatedLines);
}
private bool isMovingTowardsBox(Vector2 currentPosition, Vector2 step, Vector2 box)
{
return (currentPosition + step).LengthSquared < currentPosition.LengthSquared ||
(currentPosition + step - box).LengthSquared < (currentPosition - box).LengthSquared;
}
private bool lineDefinitelyIntersectsBox(Vector2 lineStart, Vector2 lineDir, Vector2 box)
{
var p2 = lineStart + lineDir;
double d1 = det(Vector2.Zero);
double d2 = det(new Vector2(box.X, 0));
double d3 = det(new Vector2(0, box.Y));
double d4 = det(box);
return definitelyDifferentSign(d1, d2) || definitelyDifferentSign(d3, d4) ||
definitelyDifferentSign(d1, d3) || definitelyDifferentSign(d2, d4);
double det(Vector2 p) => (p.X - lineStart.X) * (p2.Y - lineStart.Y) - (p.Y - lineStart.Y) * (p2.X - lineStart.X);
bool definitelyDifferentSign(double a, double b) => !Precision.AlmostEquals(a, 0) &&
!Precision.AlmostEquals(b, 0) &&
Math.Sign(a) != Math.Sign(b);
}
protected void GenerateOutline(Vector2 drawSize)
{
// Make lines the same width independent of display resolution.
float lineWidth = DrawWidth / ScreenSpaceDrawQuad.Width;
AddRangeInternal(new[]
{
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.CentreLeft,
RelativeSizeAxes = Axes.X,
Height = lineWidth,
Y = 0,
},
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.CentreLeft,
RelativeSizeAxes = Axes.X,
Height = lineWidth,
Y = drawSize.Y,
},
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.TopCentre,
RelativeSizeAxes = Axes.Y,
Width = lineWidth,
X = 0,
},
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.TopCentre,
RelativeSizeAxes = Axes.Y,
Width = lineWidth,
X = drawSize.X,
},
});
}
public abstract Vector2 GetSnappedPosition(Vector2 original);
}
}

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@ -2,35 +2,15 @@
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Layout;
using osu.Framework.Utils;
using osu.Game.Utils;
using osuTK;
namespace osu.Game.Screens.Edit.Compose.Components
{
public partial class RectangularPositionSnapGrid : CompositeDrawable
public partial class RectangularPositionSnapGrid : LinedPositionSnapGrid
{
private Vector2 startPosition;
/// <summary>
/// The position of the origin of this <see cref="RectangularPositionSnapGrid"/> in local coordinates.
/// </summary>
public Vector2 StartPosition
{
get => startPosition;
set
{
startPosition = value;
gridCache.Invalidate();
}
}
private Vector2 spacing = Vector2.One;
/// <summary>
@ -67,154 +47,25 @@ namespace osu.Game.Screens.Edit.Compose.Components
private readonly LayoutValue gridCache = new LayoutValue(Invalidation.RequiredParentSizeToFit);
public RectangularPositionSnapGrid(Vector2 startPosition)
: base(startPosition)
{
StartPosition = startPosition;
Masking = true;
AddLayout(gridCache);
}
protected override void Update()
{
base.Update();
if (!gridCache.IsValid)
{
ClearInternal();
if (DrawWidth > 0 && DrawHeight > 0)
createContent();
gridCache.Validate();
}
}
private void createContent()
protected override void CreateContent()
{
var drawSize = DrawSize;
var rot = Quaternion.FromAxisAngle(Vector3.UnitZ, MathHelper.DegreesToRadians(GridLineRotation));
generateGridLines(Vector2.Transform(new Vector2(0, -Spacing.Y), rot), GridLineRotation + 90, drawSize);
generateGridLines(Vector2.Transform(new Vector2(0, Spacing.Y), rot), GridLineRotation + 90, drawSize);
GenerateGridLines(Vector2.Transform(new Vector2(0, -Spacing.Y), rot), drawSize);
GenerateGridLines(Vector2.Transform(new Vector2(0, Spacing.Y), rot), drawSize);
generateGridLines(Vector2.Transform(new Vector2(-Spacing.X, 0), rot), GridLineRotation, drawSize);
generateGridLines(Vector2.Transform(new Vector2(Spacing.X, 0), rot), GridLineRotation, drawSize);
GenerateGridLines(Vector2.Transform(new Vector2(-Spacing.X, 0), rot), drawSize);
GenerateGridLines(Vector2.Transform(new Vector2(Spacing.X, 0), rot), drawSize);
generateOutline(drawSize);
GenerateOutline(drawSize);
}
private void generateGridLines(Vector2 step, float rotation, Vector2 drawSize)
{
int index = 0;
var currentPosition = startPosition;
// Make lines the same width independent of display resolution.
float lineWidth = DrawWidth / ScreenSpaceDrawQuad.Width;
float lineLength = drawSize.Length * 2;
List<Box> generatedLines = new List<Box>();
while (lineDefinitelyIntersectsBox(currentPosition, step.PerpendicularLeft, drawSize) ||
isMovingTowardsBox(currentPosition, step, drawSize))
{
var gridLine = new Box
{
Colour = Colour4.White,
Alpha = 0.1f,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.None,
Width = lineWidth,
Height = lineLength,
Position = currentPosition,
Rotation = rotation,
};
generatedLines.Add(gridLine);
index += 1;
currentPosition = startPosition + index * step;
}
if (generatedLines.Count == 0)
return;
generatedLines.First().Alpha = 0.3f;
AddRangeInternal(generatedLines);
}
private bool isMovingTowardsBox(Vector2 currentPosition, Vector2 step, Vector2 box)
{
return (currentPosition + step).LengthSquared < currentPosition.LengthSquared ||
(currentPosition + step - box).LengthSquared < (currentPosition - box).LengthSquared;
}
private bool lineDefinitelyIntersectsBox(Vector2 lineStart, Vector2 lineDir, Vector2 box)
{
var p2 = lineStart + lineDir;
double d1 = det(Vector2.Zero);
double d2 = det(new Vector2(box.X, 0));
double d3 = det(new Vector2(0, box.Y));
double d4 = det(box);
return definitelyDifferentSign(d1, d2) || definitelyDifferentSign(d3, d4) ||
definitelyDifferentSign(d1, d3) || definitelyDifferentSign(d2, d4);
double det(Vector2 p) => (p.X - lineStart.X) * (p2.Y - lineStart.Y) - (p.Y - lineStart.Y) * (p2.X - lineStart.X);
bool definitelyDifferentSign(double a, double b) => !Precision.AlmostEquals(a, 0) &&
!Precision.AlmostEquals(b, 0) &&
Math.Sign(a) != Math.Sign(b);
}
private void generateOutline(Vector2 drawSize)
{
// Make lines the same width independent of display resolution.
float lineWidth = DrawWidth / ScreenSpaceDrawQuad.Width;
AddRangeInternal(new[]
{
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.CentreLeft,
RelativeSizeAxes = Axes.X,
Height = lineWidth,
Y = 0,
},
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.CentreLeft,
RelativeSizeAxes = Axes.X,
Height = lineWidth,
Y = drawSize.Y,
},
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.TopCentre,
RelativeSizeAxes = Axes.Y,
Width = lineWidth,
X = 0,
},
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.TopCentre,
RelativeSizeAxes = Axes.Y,
Width = lineWidth,
X = drawSize.X,
},
});
}
public Vector2 GetSnappedPosition(Vector2 original)
public override Vector2 GetSnappedPosition(Vector2 original)
{
Vector2 relativeToStart = GeometryUtils.RotateVector(original - StartPosition, GridLineRotation);
Vector2 offset = Vector2.Divide(relativeToStart, Spacing);

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@ -2,35 +2,13 @@
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Layout;
using osu.Framework.Utils;
using osu.Game.Utils;
using osuTK;
namespace osu.Game.Screens.Edit.Compose.Components
{
public partial class TriangularPositionSnapGrid : CompositeDrawable
public partial class TriangularPositionSnapGrid : LinedPositionSnapGrid
{
private Vector2 startPosition;
/// <summary>
/// The position of the origin of this <see cref="TriangularPositionSnapGrid"/> in local coordinates.
/// </summary>
public Vector2 StartPosition
{
get => startPosition;
set
{
startPosition = value;
gridCache.Invalidate();
}
}
private float spacing = 1;
/// <summary>
@ -45,7 +23,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
throw new ArgumentException("Grid spacing must be positive.");
spacing = value;
gridCache.Invalidate();
GridCache.Invalidate();
}
}
@ -60,40 +38,20 @@ namespace osu.Game.Screens.Edit.Compose.Components
set
{
gridLineRotation = value;
gridCache.Invalidate();
GridCache.Invalidate();
}
}
private readonly LayoutValue gridCache = new LayoutValue(Invalidation.RequiredParentSizeToFit);
public TriangularPositionSnapGrid(Vector2 startPosition)
: base(startPosition)
{
StartPosition = startPosition;
Masking = true;
AddLayout(gridCache);
}
protected override void Update()
{
base.Update();
if (!gridCache.IsValid)
{
ClearInternal();
if (DrawWidth > 0 && DrawHeight > 0)
createContent();
gridCache.Validate();
}
}
private const float sqrt3 = 1.73205080757f;
private const float sqrt3_over2 = 0.86602540378f;
private const float one_over_sqrt3 = 0.57735026919f;
private void createContent()
protected override void CreateContent()
{
var drawSize = DrawSize;
float stepSpacing = Spacing * sqrt3_over2;
@ -101,130 +59,19 @@ namespace osu.Game.Screens.Edit.Compose.Components
var step2 = GeometryUtils.RotateVector(new Vector2(stepSpacing, 0), -GridLineRotation - 90);
var step3 = GeometryUtils.RotateVector(new Vector2(stepSpacing, 0), -GridLineRotation - 150);
generateGridLines(step1, drawSize);
generateGridLines(-step1, drawSize);
GenerateGridLines(step1, drawSize);
GenerateGridLines(-step1, drawSize);
generateGridLines(step2, drawSize);
generateGridLines(-step2, drawSize);
GenerateGridLines(step2, drawSize);
GenerateGridLines(-step2, drawSize);
generateGridLines(step3, drawSize);
generateGridLines(-step3, drawSize);
GenerateGridLines(step3, drawSize);
GenerateGridLines(-step3, drawSize);
generateOutline(drawSize);
GenerateOutline(drawSize);
}
private void generateGridLines(Vector2 step, Vector2 drawSize)
{
int index = 0;
var currentPosition = startPosition;
// Make lines the same width independent of display resolution.
float lineWidth = DrawWidth / ScreenSpaceDrawQuad.Width;
float lineLength = drawSize.Length * 2;
List<Box> generatedLines = new List<Box>();
while (lineDefinitelyIntersectsBox(currentPosition, step.PerpendicularLeft, drawSize) ||
isMovingTowardsBox(currentPosition, step, drawSize))
{
var gridLine = new Box
{
Colour = Colour4.White,
Alpha = 0.1f,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.None,
Width = lineWidth,
Height = lineLength,
Position = currentPosition,
Rotation = MathHelper.RadiansToDegrees(MathF.Atan2(step.Y, step.X)),
};
generatedLines.Add(gridLine);
index += 1;
currentPosition = startPosition + index * step;
}
if (generatedLines.Count == 0)
return;
generatedLines.First().Alpha = 0.3f;
AddRangeInternal(generatedLines);
}
private bool isMovingTowardsBox(Vector2 currentPosition, Vector2 step, Vector2 box)
{
return (currentPosition + step).LengthSquared < currentPosition.LengthSquared ||
(currentPosition + step - box).LengthSquared < (currentPosition - box).LengthSquared;
}
private bool lineDefinitelyIntersectsBox(Vector2 lineStart, Vector2 lineDir, Vector2 box)
{
var p2 = lineStart + lineDir;
double d1 = det(Vector2.Zero);
double d2 = det(new Vector2(box.X, 0));
double d3 = det(new Vector2(0, box.Y));
double d4 = det(box);
return definitelyDifferentSign(d1, d2) || definitelyDifferentSign(d3, d4) ||
definitelyDifferentSign(d1, d3) || definitelyDifferentSign(d2, d4);
double det(Vector2 p) => (p.X - lineStart.X) * (p2.Y - lineStart.Y) - (p.Y - lineStart.Y) * (p2.X - lineStart.X);
bool definitelyDifferentSign(double a, double b) => !Precision.AlmostEquals(a, 0) &&
!Precision.AlmostEquals(b, 0) &&
Math.Sign(a) != Math.Sign(b);
}
private void generateOutline(Vector2 drawSize)
{
// Make lines the same width independent of display resolution.
float lineWidth = DrawWidth / ScreenSpaceDrawQuad.Width;
AddRangeInternal(new[]
{
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.CentreLeft,
RelativeSizeAxes = Axes.X,
Height = lineWidth,
Y = 0,
},
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.CentreLeft,
RelativeSizeAxes = Axes.X,
Height = lineWidth,
Y = drawSize.Y,
},
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.TopCentre,
RelativeSizeAxes = Axes.Y,
Width = lineWidth,
X = 0,
},
new Box
{
Colour = Colour4.White,
Alpha = 0.3f,
Origin = Anchor.TopCentre,
RelativeSizeAxes = Axes.Y,
Width = lineWidth,
X = drawSize.X,
},
});
}
public Vector2 GetSnappedPosition(Vector2 original)
public override Vector2 GetSnappedPosition(Vector2 original)
{
Vector2 relativeToStart = GeometryUtils.RotateVector(original - StartPosition, GridLineRotation);
Vector2 hex = pixelToHex(relativeToStart);