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Merge pull request #12880 from peppy/refactor-selection-rotate-logic

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Add proper rotation support to skin editor
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Dan Balasescu 2021-05-22 21:48:50 +09:00 committed by GitHub
commit 59d35509e3
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3 changed files with 55 additions and 33 deletions
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30
osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
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@ -1,7 +1,6 @@
// 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;
@ -12,7 +11,7 @@ using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Screens.Edit.Compose.Components;
using Vector2 = osuTK.Vector2;
using osuTK;
namespace osu.Game.Rulesets.Osu.Edit
{
@ -173,12 +172,12 @@ namespace osu.Game.Rulesets.Osu.Edit
foreach (var h in hitObjects)
{
h.Position = rotatePointAroundOrigin(h.Position, referenceOrigin.Value, delta);
h.Position = RotatePointAroundOrigin(h.Position, referenceOrigin.Value, delta);
if (h is IHasPath path)
{
foreach (var point in path.Path.ControlPoints)
point.Position.Value = rotatePointAroundOrigin(point.Position.Value, Vector2.Zero, delta);
point.Position.Value = RotatePointAroundOrigin(point.Position.Value, Vector2.Zero, delta);
}
}
@ -324,28 +323,5 @@ namespace osu.Game.Rulesets.Osu.Edit
private OsuHitObject[] selectedMovableObjects => SelectedItems.OfType<OsuHitObject>()
.Where(h => !(h is Spinner))
.ToArray();
/// <summary>
/// Rotate a point around an arbitrary origin.
/// </summary>
/// <param name="point">The point.</param>
/// <param name="origin">The centre origin to rotate around.</param>
/// <param name="angle">The angle to rotate (in degrees).</param>
private static Vector2 rotatePointAroundOrigin(Vector2 point, Vector2 origin, float angle)
{
angle = -angle;
point.X -= origin.X;
point.Y -= origin.Y;
Vector2 ret;
ret.X = point.X * MathF.Cos(MathUtils.DegreesToRadians(angle)) + point.Y * MathF.Sin(MathUtils.DegreesToRadians(angle));
ret.Y = point.X * -MathF.Sin(MathUtils.DegreesToRadians(angle)) + point.Y * MathF.Cos(MathUtils.DegreesToRadians(angle));
ret.X += origin.X;
ret.Y += origin.Y;
return ret;
}
}
}

24
osu.Game/Screens/Edit/Compose/Components/SelectionHandler.cs
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@ -14,6 +14,7 @@ using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input;
using osu.Framework.Input.Bindings;
using osu.Framework.Input.Events;
using osu.Framework.Utils;
using osu.Game.Graphics;
using osu.Game.Graphics.UserInterface;
using osu.Game.Rulesets.Edit;
@ -353,6 +354,29 @@ namespace osu.Game.Screens.Edit.Compose.Components
#region Helper Methods
/// <summary>
/// Rotate a point around an arbitrary origin.
/// </summary>
/// <param name="point">The point.</param>
/// <param name="origin">The centre origin to rotate around.</param>
/// <param name="angle">The angle to rotate (in degrees).</param>
protected static Vector2 RotatePointAroundOrigin(Vector2 point, Vector2 origin, float angle)
{
angle = -angle;
point.X -= origin.X;
point.Y -= origin.Y;
Vector2 ret;
ret.X = point.X * MathF.Cos(MathUtils.DegreesToRadians(angle)) + point.Y * MathF.Sin(MathUtils.DegreesToRadians(angle));
ret.Y = point.X * -MathF.Sin(MathUtils.DegreesToRadians(angle)) + point.Y * MathF.Cos(MathUtils.DegreesToRadians(angle));
ret.X += origin.X;
ret.Y += origin.Y;
return ret;
}
/// <summary>
/// Given a flip direction, a surrounding quad for all selected objects, and a position,
/// will return the flipped position in screen space coordinates.

34
osu.Game/Skinning/Editor/SkinSelectionHandler.cs
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@ -7,6 +7,7 @@ using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Extensions.EnumExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Primitives;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Utils;
using osu.Game.Extensions;
@ -24,11 +25,26 @@ namespace osu.Game.Skinning.Editor
public override bool HandleRotation(float angle)
{
// TODO: this doesn't correctly account for origin/anchor specs being different in a multi-selection.
foreach (var c in SelectedBlueprints)
((Drawable)c.Item).Rotation += angle;
if (SelectedBlueprints.Count == 1)
{
// for single items, rotate around the origin rather than the selection centre.
((Drawable)SelectedBlueprints.First().Item).Rotation += angle;
}
else
{
var selectionQuad = getSelectionQuad();
return base.HandleRotation(angle);
foreach (var b in SelectedBlueprints)
{
var drawableItem = (Drawable)b.Item;
drawableItem.Position = drawableItem.Parent.ToLocalSpace(RotatePointAroundOrigin(b.ScreenSpaceSelectionPoint, selectionQuad.Centre, angle)) - drawableItem.AnchorPosition;
drawableItem.Rotation += angle;
}
}
// this isn't always the case but let's be lenient for now.
return true;
}
public override bool HandleScale(Vector2 scale, Anchor anchor)
@ -39,8 +55,7 @@ namespace osu.Game.Skinning.Editor
adjustScaleFromAnchor(ref scale, anchor);
// the selection quad is always upright, so use an AABB rect to make mutating the values easier.
var selectionRect = GetSurroundingQuad(SelectedBlueprints.SelectMany(b =>
b.Item.ScreenSpaceDrawQuad.GetVertices().ToArray())).AABBFloat;
var selectionRect = getSelectionQuad().AABBFloat;
// copy to mutate, as we will need to compare to the original later on.
var adjustedRect = selectionRect;
@ -199,6 +214,13 @@ namespace osu.Game.Skinning.Editor
}
}
/// <summary>
/// A screen-space quad surrounding all selected drawables, accounting for their full displayed size.
/// </summary>
/// <returns></returns>
private Quad getSelectionQuad() =>
GetSurroundingQuad(SelectedBlueprints.SelectMany(b => b.Item.ScreenSpaceDrawQuad.GetVertices().ToArray()));
private void applyAnchor(Anchor anchor)
{
foreach (var item in SelectedItems)