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56af009e77
This is important because the editable path conversions heavily depend on the value of `JuiceStream.Velocity` being correct. The value is only guaranteed to be correct after an `ApplyDefaults()` call, which is triggered by updating the object via `EditorBeatmap`.
143 lines
4.7 KiB
C#
143 lines
4.7 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 System.Collections.Generic;
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using System.Linq;
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using osu.Framework.Graphics.Cursor;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input.Events;
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using osu.Game.Graphics.UserInterface;
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using osu.Game.Rulesets.Catch.Objects;
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using osuTK;
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using osuTK.Input;
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namespace osu.Game.Rulesets.Catch.Edit.Blueprints.Components
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{
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public partial class SelectionEditablePath : EditablePath, IHasContextMenu
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{
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public MenuItem[] ContextMenuItems => getContextMenuItems().ToArray();
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private readonly JuiceStream juiceStream;
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// To handle when the editor is scrolled while dragging.
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private Vector2 dragStartPosition;
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public SelectionEditablePath(JuiceStream juiceStream, Func<float, double> positionToTime)
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: base(positionToTime)
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{
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this.juiceStream = juiceStream;
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}
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public void AddVertex(Vector2 relativePosition)
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{
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EditorBeatmap?.BeginChange();
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double time = Math.Max(0, PositionToTime(relativePosition.Y));
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int index = AddVertex(time, relativePosition.X);
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UpdateHitObjectFromPath(juiceStream);
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selectOnly(index);
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EditorBeatmap?.EndChange();
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}
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public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => InternalChildren.Any(d => d.ReceivePositionalInputAt(screenSpacePos));
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protected override bool OnMouseDown(MouseDownEvent e)
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{
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int index = getMouseTargetVertex(e.ScreenSpaceMouseDownPosition);
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if (index == -1 || VertexStates[index].IsFixed)
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return false;
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if (e.Button == MouseButton.Right && e.ShiftPressed)
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{
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EditorBeatmap?.BeginChange();
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RemoveVertex(index);
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UpdateHitObjectFromPath(juiceStream);
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EditorBeatmap?.EndChange();
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return true;
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}
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if (e.ControlPressed)
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VertexStates[index].IsSelected = !VertexStates[index].IsSelected;
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else if (!VertexStates[index].IsSelected)
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selectOnly(index);
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// Don't inhibit right click, to show the context menu
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return e.Button != MouseButton.Right;
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}
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protected override bool OnDragStart(DragStartEvent e)
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{
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int index = getMouseTargetVertex(e.ScreenSpaceMouseDownPosition);
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if (index == -1 || VertexStates[index].IsFixed)
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return false;
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if (e.Button != MouseButton.Left)
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return false;
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dragStartPosition = ToRelativePosition(e.ScreenSpaceMouseDownPosition);
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for (int i = 0; i < VertexCount; i++)
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VertexStates[i].VertexBeforeChange = Vertices[i];
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EditorBeatmap?.BeginChange();
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return true;
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}
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protected override void OnDrag(DragEvent e)
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{
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Vector2 mousePosition = ToRelativePosition(e.ScreenSpaceMousePosition);
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double timeDelta = PositionToTime(mousePosition.Y) - PositionToTime(dragStartPosition.Y);
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float xDelta = mousePosition.X - dragStartPosition.X;
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MoveSelectedVertices(timeDelta, xDelta);
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}
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protected override void OnDragEnd(DragEndEvent e)
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{
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EditorBeatmap?.EndChange();
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}
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private int getMouseTargetVertex(Vector2 screenSpacePosition)
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{
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for (int i = InternalChildren.Count - 1; i >= 0; i--)
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{
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if (i < VertexCount && InternalChildren[i].ReceivePositionalInputAt(screenSpacePosition))
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return i;
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}
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return -1;
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}
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private IEnumerable<MenuItem> getContextMenuItems()
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{
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int selectedCount = VertexStates.Count(state => state.IsSelected);
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if (selectedCount != 0)
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yield return new OsuMenuItem($"Delete selected {(selectedCount == 1 ? "vertex" : $"{selectedCount} vertices")}", MenuItemType.Destructive, deleteSelectedVertices);
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}
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private void selectOnly(int index)
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{
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for (int i = 0; i < VertexCount; i++)
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VertexStates[i].IsSelected = i == index;
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}
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private void deleteSelectedVertices()
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{
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EditorBeatmap?.BeginChange();
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for (int i = VertexCount - 1; i >= 0; i--)
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{
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if (VertexStates[i].IsSelected)
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RemoveVertex(i);
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}
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UpdateHitObjectFromPath(juiceStream);
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EditorBeatmap?.EndChange();
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}
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}
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}
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