389 lines
19 KiB
C#
389 lines
19 KiB
C#
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using UnityEngine;
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using UnityEditor;
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using Cinemachine.Utility;
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#if UNITY_2019_2_OR_NEWER
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using UnityEngine.UIElements;
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#endif
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namespace Cinemachine.Editor
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{
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[InitializeOnLoad]
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static class CinemachineScreenComposerGuidesGlobalDraggable
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{
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static CinemachineScreenComposerGuidesGlobalDraggable()
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{
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CinemachineScreenComposerGuides.sDraggableGameWindowGuides = Enabled;
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}
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public static string kEnabledKey = "DraggableScreenComposerGuides_Enabled";
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public static bool Enabled
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{
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get => EditorPrefs.GetBool(kEnabledKey, true);
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set
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{
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if (value != CinemachineScreenComposerGuides.sDraggableGameWindowGuides)
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{
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EditorPrefs.SetBool(kEnabledKey, value);
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CinemachineScreenComposerGuides.sDraggableGameWindowGuides = value;
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}
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}
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}
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}
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#if !UNITY_2019_2_OR_NEWER
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internal class GameViewEventCatcher
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{
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public void OnEnable() {}
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public void OnDisable() {}
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}
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#else
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// This is necessary because in 2019.3 we don't get mouse events in the game view in Edit mode
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internal class GameViewEventCatcher
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{
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class Dragger
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{
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bool mActive;
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VisualElement mRoot;
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void OnMouseDown(MouseDownEvent e) { if (mRoot.panel != null) mActive = true; }
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void OnMouseUp(MouseUpEvent e) { mActive = false; }
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void OnMouseMove(MouseMoveEvent e)
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{
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if (mActive && mRoot.panel != null)
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{
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if (!Application.isPlaying
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&& CinemachineSettings.CinemachineCoreSettings.ShowInGameGuides
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&& CinemachineBrain.SoloCamera == null)
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{
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InspectorUtility.RepaintGameView();
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}
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}
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}
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public Dragger(VisualElement root)
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{
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mRoot = root;
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if (mRoot == null || mRoot.panel == null || mRoot.panel.visualTree == null)
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return;
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mRoot.panel.visualTree.RegisterCallback<MouseDownEvent>(OnMouseDown, TrickleDown.TrickleDown);
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mRoot.panel.visualTree.RegisterCallback<MouseUpEvent>(OnMouseUp, TrickleDown.TrickleDown);
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mRoot.panel.visualTree.RegisterCallback<MouseMoveEvent>(OnMouseMove, TrickleDown.TrickleDown);
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}
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public void Unregister()
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{
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if (mRoot == null || mRoot.panel == null || mRoot.panel.visualTree == null)
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return;
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mRoot.panel.visualTree.UnregisterCallback<MouseDownEvent>(OnMouseDown, TrickleDown.TrickleDown);
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mRoot.panel.visualTree.UnregisterCallback<MouseUpEvent>(OnMouseUp, TrickleDown.TrickleDown);
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mRoot.panel.visualTree.UnregisterCallback<MouseMoveEvent>(OnMouseMove, TrickleDown.TrickleDown);
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}
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}
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Dragger[] mDraggers;
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// Create manipulator in each game view
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public void OnEnable()
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{
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System.Reflection.Assembly assembly = typeof(UnityEditor.EditorWindow).Assembly;
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System.Type type = assembly.GetType( "UnityEditor.GameView" );
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var gameViews = UnityEngine.Resources.FindObjectsOfTypeAll(type);
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mDraggers = new Dragger[gameViews.Length];
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for (int i = 0; i < gameViews.Length; ++i)
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{
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var gameViewRoot = (gameViews[i] as UnityEditor.EditorWindow).rootVisualElement;
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mDraggers[i] = new Dragger(gameViewRoot);
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}
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}
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public void OnDisable()
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{
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for (int i = 0; mDraggers != null && i < mDraggers.Length; ++i)
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{
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var dragger = mDraggers[i];
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if (dragger != null)
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dragger.Unregister();
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}
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mDraggers = null;
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}
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}
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#endif
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/// <summary>
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/// Use an instance of this class to draw screen composer guides in the game view.
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/// This is an internal class, and is not meant to be called outside of Cinemachine.
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/// </summary>
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public class CinemachineScreenComposerGuides
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{
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/// <summary>Delegate for getting the hard/soft guide rects</summary>
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/// <returns>The Hard/Soft guide rect</returns>
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public delegate Rect RectGetter();
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/// <summary>Delegate for setting the hard/soft guide rects</summary>
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/// <param name="rcam">The value to set</param>
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public delegate void RectSetter(Rect r);
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/// <summary>Delegate to get the current object whose guides are being drawn</summary>
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/// <returns>The target object whose guides are being drawn</returns>
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public delegate SerializedObject ObjectGetter();
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/// <summary>Get the Hard Guide. Client must implement this</summary>
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public RectGetter GetHardGuide;
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/// <summary>Get the Soft Guide. Client must implement this</summary>
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public RectGetter GetSoftGuide;
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/// <summary>Set the Hard Guide. Client must implement this</summary>
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public RectSetter SetHardGuide;
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/// <summary>Get the Soft Guide. Client must implement this</summary>
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public RectSetter SetSoftGuide;
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/// <summary>Get the target object whose guides are being drawn. Client must implement this</summary>
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public ObjectGetter Target;
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/// <summary>Width of the draggable guide bar in the game view</summary>
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public const float kGuideBarWidthPx = 3f;
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/// <summary>If true, then allows game window guides to be edited in play mode.</summary>
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public static bool sDraggableGameWindowGuides = true;
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/// <summary>
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/// Helper to set the appropriate new rects in the target object, is something changed.
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/// </summary>
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/// <param name="oldHard">Current hard guide</param>
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/// <param name="oldSoft">Current soft guide</param>
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/// <param name="newHard">New hard guide</param>
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/// <param name="newSoft">New soft guide</param>
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public void SetNewBounds(Rect oldHard, Rect oldSoft, Rect newHard, Rect newSoft)
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{
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if ((oldSoft != newSoft) || (oldHard != newHard))
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{
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Undo.RecordObject(Target().targetObject, "Composer Bounds");
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if (oldSoft != newSoft)
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SetSoftGuide(newSoft);
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if (oldHard != newHard)
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SetHardGuide(newHard);
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Target().ApplyModifiedProperties();
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}
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}
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Rect GetCameraRect(Camera outputCamera, LensSettings lens)
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{
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Rect cameraRect = outputCamera.pixelRect;
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float screenHeight = cameraRect.height;
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float screenWidth = cameraRect.width;
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float screenAspect = screenWidth / screenHeight;
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switch (outputCamera.gateFit)
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{
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case Camera.GateFitMode.Vertical:
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screenWidth = screenHeight * lens.Aspect;
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cameraRect.position += new Vector2((cameraRect.width - screenWidth) * 0.5f, 0);
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break;
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case Camera.GateFitMode.Horizontal:
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screenHeight = screenWidth / lens.Aspect;
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cameraRect.position += new Vector2(0, (cameraRect.height - screenHeight) * 0.5f);
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break;
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case Camera.GateFitMode.Overscan:
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if (screenAspect < lens.Aspect)
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{
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screenHeight = screenWidth / lens.Aspect;
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cameraRect.position += new Vector2(0, (cameraRect.height - screenHeight) * 0.5f);
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}
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else
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{
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screenWidth = screenHeight * lens.Aspect;
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cameraRect.position += new Vector2((cameraRect.width - screenWidth) * 0.5f, 0);
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}
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break;
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case Camera.GateFitMode.Fill:
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if (screenAspect > lens.Aspect)
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{
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screenHeight = screenWidth / lens.Aspect;
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cameraRect.position += new Vector2(0, (cameraRect.height - screenHeight) * 0.5f);
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}
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else
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{
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screenWidth = screenHeight * lens.Aspect;
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cameraRect.position += new Vector2((cameraRect.width - screenWidth) * 0.5f, 0);
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}
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break;
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case Camera.GateFitMode.None:
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break;
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}
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cameraRect = new Rect(cameraRect.position, new Vector2(screenWidth, screenHeight));
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// Invert Y
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float h = cameraRect.height;
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cameraRect.yMax = Screen.height - cameraRect.yMin;
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cameraRect.yMin = cameraRect.yMax - h;
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// Shift the guides along with the lens
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cameraRect.position += new Vector2(
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-screenWidth * lens.LensShift.x, screenHeight * lens.LensShift.y);
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return cameraRect;
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}
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/// <summary>
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/// Call this from the inspector's OnGUI. Draws the guides and manages dragging.
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/// </summary>
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/// <param name="isLive">Is the target live</param>
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/// <param name="outputCamera">Destination camera</param>
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/// <param name="lens">Current lens settings</param>
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/// <param name="showHardGuides">True if hard guides should be shown</param>
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public void OnGUI_DrawGuides(bool isLive, Camera outputCamera, LensSettings lens, bool showHardGuides)
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{
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Rect cameraRect = GetCameraRect(outputCamera, lens);
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float screenWidth = cameraRect.width;
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float screenHeight = cameraRect.height;
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// Rotate the guides along with the dutch
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Matrix4x4 oldMatrix = GUI.matrix;
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GUI.matrix = Matrix4x4.Translate(cameraRect.min);
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GUIUtility.RotateAroundPivot(lens.Dutch, cameraRect.center);
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Color hardBarsColour = CinemachineSettings.ComposerSettings.HardBoundsOverlayColour;
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Color softBarsColour = CinemachineSettings.ComposerSettings.SoftBoundsOverlayColour;
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float overlayOpacity = CinemachineSettings.ComposerSettings.OverlayOpacity;
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if (!isLive)
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{
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softBarsColour = CinemachineSettings.CinemachineCoreSettings.InactiveGizmoColour;
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hardBarsColour = Color.Lerp(softBarsColour, Color.black, 0.5f);
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overlayOpacity /= 2;
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}
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hardBarsColour.a *= overlayOpacity;
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softBarsColour.a *= overlayOpacity;
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Rect r = showHardGuides ? GetHardGuide() : new Rect(-2, -2, 4, 4);
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float hardEdgeLeft = r.xMin * screenWidth;
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float hardEdgeTop = r.yMin * screenHeight;
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float hardEdgeRight = r.xMax * screenWidth;
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float hardEdgeBottom = r.yMax * screenHeight;
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mDragBars[(int)DragBar.HardBarLineLeft] = new Rect(hardEdgeLeft - kGuideBarWidthPx / 2f, 0f, kGuideBarWidthPx, screenHeight);
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mDragBars[(int)DragBar.HardBarLineTop] = new Rect(0f, hardEdgeTop - kGuideBarWidthPx / 2f, screenWidth, kGuideBarWidthPx);
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mDragBars[(int)DragBar.HardBarLineRight] = new Rect(hardEdgeRight - kGuideBarWidthPx / 2f, 0f, kGuideBarWidthPx, screenHeight);
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mDragBars[(int)DragBar.HardBarLineBottom] = new Rect(0f, hardEdgeBottom - kGuideBarWidthPx / 2f, screenWidth, kGuideBarWidthPx);
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r = GetSoftGuide();
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float softEdgeLeft = r.xMin * screenWidth;
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float softEdgeTop = r.yMin * screenHeight;
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float softEdgeRight = r.xMax * screenWidth;
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float softEdgeBottom = r.yMax * screenHeight;
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mDragBars[(int)DragBar.SoftBarLineLeft] = new Rect(softEdgeLeft - kGuideBarWidthPx / 2f, 0f, kGuideBarWidthPx, screenHeight);
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mDragBars[(int)DragBar.SoftBarLineTop] = new Rect(0f, softEdgeTop - kGuideBarWidthPx / 2f, screenWidth, kGuideBarWidthPx);
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mDragBars[(int)DragBar.SoftBarLineRight] = new Rect(softEdgeRight - kGuideBarWidthPx / 2f, 0f, kGuideBarWidthPx, screenHeight);
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mDragBars[(int)DragBar.SoftBarLineBottom] = new Rect(0f, softEdgeBottom - kGuideBarWidthPx / 2f, screenWidth, kGuideBarWidthPx);
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mDragBars[(int)DragBar.Center] = new Rect(softEdgeLeft, softEdgeTop, softEdgeRight - softEdgeLeft, softEdgeBottom - softEdgeTop);
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// Handle dragging bars
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if (sDraggableGameWindowGuides && isLive)
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OnGuiHandleBarDragging(screenWidth, screenHeight);
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// Draw the masks
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GUI.color = hardBarsColour;
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Rect hardBarLeft = new Rect(0, hardEdgeTop, Mathf.Max(0, hardEdgeLeft), hardEdgeBottom - hardEdgeTop);
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Rect hardBarRight = new Rect(hardEdgeRight, hardEdgeTop,
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Mathf.Max(0, screenWidth - hardEdgeRight), hardEdgeBottom - hardEdgeTop);
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Rect hardBarTop = new Rect(Mathf.Min(0, hardEdgeLeft), 0,
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Mathf.Max(screenWidth, hardEdgeRight) - Mathf.Min(0, hardEdgeLeft), Mathf.Max(0, hardEdgeTop));
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Rect hardBarBottom = new Rect(Mathf.Min(0, hardEdgeLeft), hardEdgeBottom,
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Mathf.Max(screenWidth, hardEdgeRight) - Mathf.Min(0, hardEdgeLeft),
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Mathf.Max(0, screenHeight - hardEdgeBottom));
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GUI.DrawTexture(hardBarLeft, Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(hardBarTop, Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(hardBarRight, Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(hardBarBottom, Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.color = softBarsColour;
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Rect softBarLeft = new Rect(hardEdgeLeft, softEdgeTop, softEdgeLeft - hardEdgeLeft, softEdgeBottom - softEdgeTop);
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Rect softBarTop = new Rect(hardEdgeLeft, hardEdgeTop, hardEdgeRight - hardEdgeLeft, softEdgeTop - hardEdgeTop);
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Rect softBarRight = new Rect(softEdgeRight, softEdgeTop, hardEdgeRight - softEdgeRight, softEdgeBottom - softEdgeTop);
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Rect softBarBottom = new Rect(hardEdgeLeft, softEdgeBottom, hardEdgeRight - hardEdgeLeft, hardEdgeBottom - softEdgeBottom);
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GUI.DrawTexture(softBarLeft, Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(softBarTop, Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(softBarRight, Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(softBarBottom, Texture2D.whiteTexture, ScaleMode.StretchToFill);
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// Draw the drag bars
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GUI.DrawTexture(mDragBars[(int)DragBar.SoftBarLineLeft], Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(mDragBars[(int)DragBar.SoftBarLineTop], Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(mDragBars[(int)DragBar.SoftBarLineRight], Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(mDragBars[(int)DragBar.SoftBarLineBottom], Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.color = hardBarsColour;
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GUI.DrawTexture(mDragBars[(int)DragBar.HardBarLineLeft], Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(mDragBars[(int)DragBar.HardBarLineTop], Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(mDragBars[(int)DragBar.HardBarLineRight], Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.DrawTexture(mDragBars[(int)DragBar.HardBarLineBottom], Texture2D.whiteTexture, ScaleMode.StretchToFill);
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GUI.matrix = oldMatrix;
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}
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// For dragging the bars - order defines precedence
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private enum DragBar
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{
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Center,
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SoftBarLineLeft, SoftBarLineTop, SoftBarLineRight, SoftBarLineBottom,
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HardBarLineLeft, HardBarLineTop, HardBarLineRight, HardBarLineBottom,
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NONE
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};
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private DragBar mDragging = DragBar.NONE;
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private Rect[] mDragBars = new Rect[9];
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private void OnGuiHandleBarDragging(float screenWidth, float screenHeight)
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{
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if (Event.current.type == EventType.MouseUp)
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mDragging = DragBar.NONE;
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if (Event.current.type == EventType.MouseDown)
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{
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mDragging = DragBar.NONE;
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for (DragBar i = DragBar.Center; i < DragBar.NONE && mDragging == DragBar.NONE; ++i)
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{
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Vector2 slop = new Vector2(5f, 5f);
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if (i == DragBar.Center)
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{
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if (mDragBars[(int)i].width > 3f * slop.x)
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slop.x = -slop.x;
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if (mDragBars[(int)i].height > 3f * slop.y)
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slop.y = -slop.y;
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}
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Rect r = mDragBars[(int)i].Inflated(slop);
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if (r.Contains(Event.current.mousePosition))
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mDragging = i;
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}
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}
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if (mDragging != DragBar.NONE && Event.current.type == EventType.MouseDrag)
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{
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Vector2 d = new Vector2(
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Event.current.delta.x / screenWidth,
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Event.current.delta.y / screenHeight);
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// First snapshot some settings
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Rect newHard = GetHardGuide();
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Rect newSoft = GetSoftGuide();
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Vector2 changed = Vector2.zero;
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switch (mDragging)
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{
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case DragBar.Center: newSoft.position += d; break;
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case DragBar.SoftBarLineLeft: newSoft = newSoft.Inflated(new Vector2(-d.x, 0)); break;
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case DragBar.SoftBarLineRight: newSoft = newSoft.Inflated(new Vector2(d.x, 0)); break;
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case DragBar.SoftBarLineTop: newSoft = newSoft.Inflated(new Vector2(0, -d.y)); break;
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case DragBar.SoftBarLineBottom: newSoft = newSoft.Inflated(new Vector2(0, d.y)); break;
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case DragBar.HardBarLineLeft: newHard = newHard.Inflated(new Vector2(-d.x, 0)); break;
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case DragBar.HardBarLineRight: newHard = newHard.Inflated(new Vector2(d.x, 0)); break;
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case DragBar.HardBarLineBottom: newHard = newHard.Inflated(new Vector2(0, d.y)); break;
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case DragBar.HardBarLineTop: newHard = newHard.Inflated(new Vector2(0, -d.y)); break;
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}
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// Apply the changes, enforcing the bounds
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SetNewBounds(GetHardGuide(), GetSoftGuide(), newHard, newSoft);
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Event.current.Use();
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}
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}
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}
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}
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