mirror of
https://github.com/sinai-dev/UnityExplorer.git
synced 2025-06-24 01:12:41 +08:00
1.5.4
* Implemented manual unstripping for ScrollView and Resize, should now work on any Unity 2018 or 2019 game. * Fixed a bug with page view on the Scene Explorer * Back-end cleanups
This commit is contained in:
sinaioutlander
381
src/Unstripping/SliderHandlerUnstrip.cs
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381
src/Unstripping/SliderHandlerUnstrip.cs
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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 System.Text;
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using System.Threading.Tasks;
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using UnityEngine;
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using UnhollowerRuntimeLib;
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namespace Explorer
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{
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// This is a manual unstrip of UnityEngine.SliderHandler.
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// This code is provided "as-is".
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// Taken from dnSpy output using Unity 2018.4.20.
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// "Unity", Unity logos, and other Unity trademarks are trademarks or
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// registered trademarks of Unity Technologies or its affiliates in the
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// U.S. and elsewhere.
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// https://unity3d.com/legal/terms-of-service
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// https://unity3d.com/legal/terms-of-service/software
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public struct SliderHandlerUnstrip
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{
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private readonly Rect position;
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private readonly float currentValue;
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private readonly float size;
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private readonly float start;
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private readonly float end;
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private readonly GUIStyle slider;
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private readonly GUIStyle thumb;
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private readonly bool horiz;
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private readonly int id;
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public SliderHandlerUnstrip(Rect position, float currentValue, float size, float start, float end, GUIStyle slider, GUIStyle thumb, bool horiz, int id)
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{
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this.position = position;
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this.currentValue = currentValue;
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this.size = size;
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this.start = start;
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this.end = end;
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this.slider = slider;
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this.thumb = thumb;
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this.horiz = horiz;
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this.id = id;
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}
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public float Handle()
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{
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float result;
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if (this.slider == null || this.thumb == null)
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{
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result = this.currentValue;
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}
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else
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{
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switch (this.CurrentEventType())
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{
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case EventType.MouseDown:
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return this.OnMouseDown();
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case EventType.MouseUp:
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return this.OnMouseUp();
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case EventType.MouseDrag:
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return this.OnMouseDrag();
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case EventType.Repaint:
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return this.OnRepaint();
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}
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result = this.currentValue;
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}
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return result;
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}
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private float OnMouseDown()
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{
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float result;
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if (!this.position.Contains(this.CurrentEvent().mousePosition) || this.IsEmptySlider())
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{
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result = this.currentValue;
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}
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else
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{
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GUI.scrollTroughSide = 0;
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GUIUtility.hotControl = this.id;
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this.CurrentEvent().Use();
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if (this.ThumbSelectionRect().Contains(this.CurrentEvent().mousePosition))
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{
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this.StartDraggingWithValue(this.ClampedCurrentValue());
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result = this.currentValue;
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}
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else
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{
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GUI.changed = true;
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if (this.SupportsPageMovements())
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{
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this.SliderState().isDragging = false;
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GUI.nextScrollStepTime = SystemClock.now.AddMilliseconds(250.0);
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GUI.scrollTroughSide = this.CurrentScrollTroughSide();
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result = this.PageMovementValue();
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}
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else
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{
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float num = this.ValueForCurrentMousePosition();
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this.StartDraggingWithValue(num);
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result = this.Clamp(num);
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}
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}
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}
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return result;
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}
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private float OnMouseDrag()
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{
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float result;
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if (GUIUtility.hotControl != this.id)
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{
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result = this.currentValue;
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}
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else
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{
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SliderState sliderState = this.SliderState();
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if (!sliderState.isDragging)
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{
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result = this.currentValue;
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}
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else
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{
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GUI.changed = true;
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this.CurrentEvent().Use();
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float num = this.MousePosition() - sliderState.dragStartPos;
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float value = sliderState.dragStartValue + num / this.ValuesPerPixel();
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result = this.Clamp(value);
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}
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}
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return result;
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}
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private float OnMouseUp()
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{
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if (GUIUtility.hotControl == this.id)
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{
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this.CurrentEvent().Use();
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GUIUtility.hotControl = 0;
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}
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return this.currentValue;
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}
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private float OnRepaint()
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{
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this.slider.Draw(this.position, GUIContent.none, this.id);
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if (!this.IsEmptySlider() && this.currentValue >= this.MinValue() && this.currentValue <= this.MaxValue())
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{
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this.thumb.Draw(this.ThumbRect(), GUIContent.none, this.id);
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}
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float result;
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if (GUIUtility.hotControl != this.id || !this.position.Contains(this.CurrentEvent().mousePosition) || this.IsEmptySlider())
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{
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result = this.currentValue;
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}
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else if (this.ThumbRect().Contains(this.CurrentEvent().mousePosition))
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{
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if (GUI.scrollTroughSide != 0)
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{
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GUIUtility.hotControl = 0;
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}
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result = this.currentValue;
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}
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else
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{
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GUI.InternalRepaintEditorWindow();
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if (SystemClock.now < GUI.nextScrollStepTime)
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{
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result = this.currentValue;
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}
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else if (this.CurrentScrollTroughSide() != GUI.scrollTroughSide)
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{
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result = this.currentValue;
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}
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else
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{
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GUI.nextScrollStepTime = SystemClock.now.AddMilliseconds(30.0);
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if (this.SupportsPageMovements())
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{
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this.SliderState().isDragging = false;
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GUI.changed = true;
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result = this.PageMovementValue();
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}
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else
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{
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result = this.ClampedCurrentValue();
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}
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}
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}
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return result;
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}
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private EventType CurrentEventType()
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{
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return this.CurrentEvent().GetTypeForControl(this.id);
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}
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private int CurrentScrollTroughSide()
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{
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float num = (!this.horiz) ? this.CurrentEvent().mousePosition.y : this.CurrentEvent().mousePosition.x;
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float num2 = (!this.horiz) ? this.ThumbRect().y : this.ThumbRect().x;
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return (num <= num2) ? -1 : 1;
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}
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private bool IsEmptySlider()
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{
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return this.start == this.end;
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}
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private bool SupportsPageMovements()
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{
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return this.size != 0f && GUI.usePageScrollbars;
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}
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private float PageMovementValue()
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{
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float num = this.currentValue;
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int num2 = (this.start <= this.end) ? 1 : -1;
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if (this.MousePosition() > this.PageUpMovementBound())
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{
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num += this.size * (float)num2 * 0.9f;
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}
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else
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{
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num -= this.size * (float)num2 * 0.9f;
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}
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return this.Clamp(num);
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}
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private float PageUpMovementBound()
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{
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float result;
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if (this.horiz)
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{
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result = this.ThumbRect().xMax - this.position.x;
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}
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else
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{
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result = this.ThumbRect().yMax - this.position.y;
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}
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return result;
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}
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private Event CurrentEvent()
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{
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return Event.current;
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}
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private float ValueForCurrentMousePosition()
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{
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float result;
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if (this.horiz)
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{
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result = (this.MousePosition() - this.ThumbRect().width * 0.5f) / this.ValuesPerPixel() + this.start - this.size * 0.5f;
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}
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else
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{
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result = (this.MousePosition() - this.ThumbRect().height * 0.5f) / this.ValuesPerPixel() + this.start - this.size * 0.5f;
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}
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return result;
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}
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private float Clamp(float value)
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{
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return Mathf.Clamp(value, this.MinValue(), this.MaxValue());
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}
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private Rect ThumbSelectionRect()
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{
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return this.ThumbRect();
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}
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private void StartDraggingWithValue(float dragStartValue)
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{
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SliderState sliderState = this.SliderState();
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sliderState.dragStartPos = this.MousePosition();
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sliderState.dragStartValue = dragStartValue;
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sliderState.isDragging = true;
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}
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private SliderState SliderState()
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{
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return (SliderState)GUIUtility.GetStateObject(Il2CppType.Of<SliderState>(), this.id).Il2CppCast(typeof(SliderState));
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}
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private Rect ThumbRect()
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{
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return (!this.horiz) ? this.VerticalThumbRect() : this.HorizontalThumbRect();
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}
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private Rect VerticalThumbRect()
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{
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float num = this.ValuesPerPixel();
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Rect result;
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if (this.start < this.end)
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{
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result = new Rect(this.position.x + (float)this.slider.padding.left, (this.ClampedCurrentValue() - this.start) * num + this.position.y + (float)this.slider.padding.top, this.position.width - (float)this.slider.padding.horizontal, this.size * num + this.ThumbSize());
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}
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else
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{
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result = new Rect(this.position.x + (float)this.slider.padding.left, (this.ClampedCurrentValue() + this.size - this.start) * num + this.position.y + (float)this.slider.padding.top, this.position.width - (float)this.slider.padding.horizontal, this.size * -num + this.ThumbSize());
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}
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return result;
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}
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private Rect HorizontalThumbRect()
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{
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float num = this.ValuesPerPixel();
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Rect result;
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if (this.start < this.end)
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{
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result = new Rect((this.ClampedCurrentValue() - this.start) * num + this.position.x + (float)this.slider.padding.left, this.position.y + (float)this.slider.padding.top, this.size * num + this.ThumbSize(), this.position.height - (float)this.slider.padding.vertical);
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}
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else
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{
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result = new Rect((this.ClampedCurrentValue() + this.size - this.start) * num + this.position.x + (float)this.slider.padding.left, this.position.y, this.size * -num + this.ThumbSize(), this.position.height);
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}
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return result;
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}
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private float ClampedCurrentValue()
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{
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return this.Clamp(this.currentValue);
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}
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private float MousePosition()
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{
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float result;
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if (this.horiz)
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{
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result = this.CurrentEvent().mousePosition.x - this.position.x;
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}
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else
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{
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result = this.CurrentEvent().mousePosition.y - this.position.y;
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}
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return result;
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}
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private float ValuesPerPixel()
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{
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float result;
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if (this.horiz)
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{
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result = (this.position.width - (float)this.slider.padding.horizontal - this.ThumbSize()) / (this.end - this.start);
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}
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else
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{
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result = (this.position.height - (float)this.slider.padding.vertical - this.ThumbSize()) / (this.end - this.start);
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}
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return result;
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}
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private float ThumbSize()
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{
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float result;
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if (this.horiz)
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{
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result = ((this.thumb.fixedWidth == 0f) ? ((float)this.thumb.padding.horizontal) : this.thumb.fixedWidth);
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}
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else
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{
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result = ((this.thumb.fixedHeight == 0f) ? ((float)this.thumb.padding.vertical) : this.thumb.fixedHeight);
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}
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return result;
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}
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private float MaxValue()
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{
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return Mathf.Max(this.start, this.end) - this.size;
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}
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private float MinValue()
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{
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return Mathf.Min(this.start, this.end);
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}
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}
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}
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