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128 lines
4.3 KiB
C#
128 lines
4.3 KiB
C#
// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Primitives;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Input;
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using OpenTK;
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using OpenTK.Graphics;
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using System.Collections.Generic;
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using osu.Game.Rulesets.Objects.Drawables;
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using osu.Game.Rulesets.UI;
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using System.Linq;
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using osu.Game.Graphics;
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namespace osu.Game.Rulesets.Edit
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{
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public class PlayfieldOverlay : CompositeDrawable
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{
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private readonly static Color4 selection_normal_colour = Color4.White;
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private readonly static Color4 selection_attached_colour = OsuColour.FromHex("eeaa00");
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private readonly Container dragBox;
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private readonly Playfield playfield;
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public PlayfieldOverlay(Playfield playfield)
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{
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this.playfield = playfield;
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RelativeSizeAxes = Axes.Both;
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InternalChildren = new[]
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{
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dragBox = new Container
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{
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Masking = true,
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BorderColour = Color4.White,
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BorderThickness = 2,
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MaskingSmoothness = 1,
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Child = new Box
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{
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RelativeSizeAxes = Axes.Both,
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Alpha = 0.1f
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}
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}
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};
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}
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private Vector2 dragStartPos;
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private RectangleF dragRectangle;
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private List<DrawableHitObject> capturedHitObjects = new List<DrawableHitObject>();
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protected override bool OnDragStart(InputState state)
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{
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dragStartPos = ToLocalSpace(state.Mouse.NativeState.Position);
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dragBox.Position = dragStartPos;
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dragBox.Size = Vector2.Zero;
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dragBox.FadeTo(1);
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dragBox.FadeColour(selection_normal_colour);
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dragBox.BorderThickness = 2;
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return true;
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}
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protected override bool OnDrag(InputState state)
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{
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var dragPos = ToLocalSpace(state.Mouse.NativeState.Position);
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dragRectangle = RectangleF.FromLTRB(
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Math.Min(dragStartPos.X, dragPos.X),
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Math.Min(dragStartPos.Y, dragPos.Y),
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Math.Max(dragStartPos.X, dragPos.X),
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Math.Max(dragStartPos.Y, dragPos.Y));
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dragBox.Position = dragRectangle.Location;
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dragBox.Size = dragRectangle.Size;
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updateCapturedHitObjects();
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return true;
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}
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private void updateCapturedHitObjects()
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{
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capturedHitObjects.Clear();
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foreach (var obj in playfield.HitObjects.Objects)
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{
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if (!obj.IsAlive || !obj.IsPresent)
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continue;
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var objectPosition = obj.Parent.ToScreenSpace(obj.SelectionPoint);
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if (dragRectangle.Contains(ToLocalSpace(objectPosition)))
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capturedHitObjects.Add(obj);
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}
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}
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protected override bool OnDragEnd(InputState state)
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{
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if (capturedHitObjects.Count == 0)
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dragBox.FadeOut(400, Easing.OutQuint);
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else
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{
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// Move the rectangle to cover the hitobjects
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var topLeft = new Vector2(float.MaxValue, float.MaxValue);
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var bottomRight = new Vector2(float.MinValue, float.MinValue);
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foreach (var obj in capturedHitObjects)
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{
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topLeft = Vector2.ComponentMin(topLeft, ToLocalSpace(obj.SelectionQuad.TopLeft));
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bottomRight = Vector2.ComponentMax(bottomRight, ToLocalSpace(obj.SelectionQuad.BottomRight));
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}
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topLeft -= new Vector2(5);
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bottomRight += new Vector2(5);
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dragBox.MoveTo(topLeft, 200, Easing.OutQuint)
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.ResizeTo(bottomRight - topLeft, 200, Easing.OutQuint)
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.FadeColour(selection_attached_colour, 200, Easing.OutQuint);
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dragBox.BorderThickness = 3;
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}
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return true;
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}
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}
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}
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