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osu-lazer/osu.Game.Tests/Visual/UserInterface/TestSceneUprightAspectMaintainingContainer.cs
2022-11-27 00:00:27 +09:00

245 lines
9.5 KiB
C#

// 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 NUnit.Framework;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics;
using osu.Framework.Utils;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.Sprites;
using osu.Game.Graphics;
using osuTK.Graphics;
using osuTK;
namespace osu.Game.Tests.Visual.UserInterface
{
public partial class TestSceneUprightAspectMaintainingContainer : OsuGridTestScene
{
private const int rows = 3;
private const int columns = 4;
private readonly ScaleMode[] scaleModeValues = { ScaleMode.NoScaling, ScaleMode.Horizontal, ScaleMode.Vertical };
private readonly float[] scalingFactorValues = { 1.0f / 3, 1.0f / 2, 1.0f, 1.5f };
private readonly List<List<Container>> parentContainers = new List<List<Container>>(rows);
private readonly List<List<UprightAspectMaintainingContainer>> childContainers = new List<List<UprightAspectMaintainingContainer>>(rows);
// Preferably should be set to (4 * 2^n)
private const int rotation_step_count = 3;
private readonly List<int> flipStates = new List<int>();
private readonly List<float> rotationSteps = new List<float>();
private readonly List<float> scaleSteps = new List<float>();
public TestSceneUprightAspectMaintainingContainer()
: base(rows, columns)
{
for (int i = 0; i < rows; i++)
{
parentContainers.Add(new List<Container>());
childContainers.Add(new List<UprightAspectMaintainingContainer>());
for (int j = 0; j < columns; j++)
{
UprightAspectMaintainingContainer child;
Container parent = new Container
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Height = 80,
Width = 80,
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = new Color4(255, 0, 0, 160),
},
new OsuSpriteText
{
Text = "Parent",
},
child = new UprightAspectMaintainingContainer
{
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
AutoSizeAxes = Axes.Both,
// These are the parameters being Tested
Scaling = scaleModeValues[i],
ScalingFactor = scalingFactorValues[j],
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = new Color4(0, 0, 255, 160),
},
new OsuSpriteText
{
Text = "Text",
Font = OsuFont.Numeric,
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
Padding = new MarginPadding
{
Horizontal = 4,
Vertical = 4,
}
},
}
}
}
};
Container cellInfo = new Container
{
Children = new Drawable[]
{
new OsuSpriteText
{
Text = "Scaling: " + scaleModeValues[i].ToString(),
},
new OsuSpriteText
{
Text = "ScalingFactor: " + scalingFactorValues[j].ToString("0.00"),
Margin = new MarginPadding
{
Top = 15,
},
},
},
};
Cell(i * columns + j).Add(cellInfo);
Cell(i * columns + j).Add(parent);
parentContainers[i].Add(parent);
childContainers[i].Add(child);
}
}
flipStates.AddRange(new[] { 1, -1 });
rotationSteps.AddRange(Enumerable.Range(0, rotation_step_count).Select(x => 360f * ((float)x / rotation_step_count)));
scaleSteps.AddRange(new[] { 1, 0.3f, 1.5f });
}
[Test]
public void ExplicitlySizedParent()
{
var parentStates = from xFlip in flipStates
from yFlip in flipStates
from xScale in scaleSteps
from yScale in scaleSteps
from rotation in rotationSteps
select new { xFlip, yFlip, xScale, yScale, rotation };
foreach (var state in parentStates)
{
Vector2 parentScale = new Vector2(state.xFlip * state.xScale, state.yFlip * state.yScale);
float parentRotation = state.rotation;
AddStep("S: (" + parentScale.X.ToString("0.00") + ", " + parentScale.Y.ToString("0.00") + "), R: " + parentRotation.ToString("0.00"), () =>
{
foreach (List<Container> list in parentContainers)
{
foreach (Container container in list)
{
container.Scale = parentScale;
container.Rotation = parentRotation;
}
}
});
AddAssert("Check if state is valid", () =>
{
foreach (int i in Enumerable.Range(0, parentContainers.Count))
{
foreach (int j in Enumerable.Range(0, parentContainers[i].Count))
{
if (!uprightAspectMaintainingContainerStateIsValid(parentContainers[i][j], childContainers[i][j]))
return false;
}
}
return true;
});
}
}
private bool uprightAspectMaintainingContainerStateIsValid(Container parent, UprightAspectMaintainingContainer child)
{
Matrix3 parentMatrix = parent.DrawInfo.Matrix;
Matrix3 childMatrix = child.DrawInfo.Matrix;
Vector3 childScale = childMatrix.ExtractScale();
Vector3 parentScale = parentMatrix.ExtractScale();
// Orientation check
if (!(isNearlyZero(MathF.Abs(childMatrix.M21)) && isNearlyZero(MathF.Abs(childMatrix.M12))))
return false;
// flip check
if (!(childMatrix.M11 * childMatrix.M22 > 0))
return false;
// Aspect ratio check
if (!isNearlyZero(childScale.X - childScale.Y))
return false;
// ScalingMode check
switch (child.Scaling)
{
case ScaleMode.NoScaling:
if (!(isNearlyZero(childMatrix.M11 - 1.0f) && isNearlyZero(childMatrix.M22 - 1.0f)))
return false;
break;
case ScaleMode.Vertical:
if (!(checkScaling(child.ScalingFactor, parentScale.Y, childScale.Y)))
return false;
break;
case ScaleMode.Horizontal:
if (!(checkScaling(child.ScalingFactor, parentScale.X, childScale.X)))
return false;
break;
}
return true;
}
private bool checkScaling(float scalingFactor, float parentScale, float childScale)
{
if (scalingFactor <= 1.0f)
{
if (!isNearlyZero(1.0f + (parentScale - 1.0f) * scalingFactor - childScale))
return false;
}
else if (scalingFactor > 1.0f)
{
if (parentScale < 1.0f)
{
if (!isNearlyZero((parentScale * (1.0f / scalingFactor)) - childScale))
return false;
}
else if (!isNearlyZero(parentScale * scalingFactor - childScale))
return false;
}
return true;
}
private bool isNearlyZero(float f, float epsilon = Precision.FLOAT_EPSILON)
{
return f < epsilon;
}
}
}