70 lines
2.7 KiB
C#
70 lines
2.7 KiB
C#
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using System.Collections.Generic;
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using UnityEditor.EditorTools;
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using UnityEditor.Overlays;
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using UnityEngine;
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using UnityEngine.Splines;
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namespace UnityEditor.Splines
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{
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[CustomEditor(typeof(SplineMoveTool))]
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class SplineMoveToolSettings : SplineToolSettings { }
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#if UNITY_2021_2_OR_NEWER
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[EditorTool("Spline Move Tool", typeof(ISplineProvider), typeof(SplineToolContext))]
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#else
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[EditorTool("Spline Move Tool", typeof(ISplineProvider))]
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#endif
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sealed class SplineMoveTool : SplineTool
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{
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public override bool gridSnapEnabled
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{
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get => handleOrientation == HandleOrientation.Global;
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}
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public override GUIContent toolbarIcon => PathIcons.splineMoveTool;
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internal override SplineHandlesOptions handlesOptions => SplineHandlesOptions.ManipulationDefault;
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public override void OnToolGUI(EditorWindow window)
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{
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if (Event.current.type == EventType.MouseDrag)
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{
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if (handleOrientation == HandleOrientation.Element || handleOrientation == HandleOrientation.Parent)
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TransformOperation.pivotFreeze |= TransformOperation.PivotFreeze.Rotation;
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// In rotation sync center mode, pivot has to be allowed to move away
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// from the selection center. Therefore we freeze pivot's position
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// and force the position later on based on handle's translation delta.
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if (Tools.pivotMode == PivotMode.Center)
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TransformOperation.pivotFreeze |= TransformOperation.PivotFreeze.Position;
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}
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if (Event.current.type == EventType.MouseUp)
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{
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TransformOperation.pivotFreeze = TransformOperation.PivotFreeze.None;
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TransformOperation.UpdatePivotPosition();
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TransformOperation.UpdateHandleRotation();
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}
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if (Event.current.type == EventType.Layout)
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TransformOperation.UpdatePivotPosition();
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if (TransformOperation.canManipulate)
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{
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EditorGUI.BeginChangeCheck();
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var newPos = Handles.DoPositionHandle(TransformOperation.pivotPosition, TransformOperation.handleRotation);
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if (EditorGUI.EndChangeCheck())
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{
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TransformOperation.ApplyTranslation(newPos - TransformOperation.pivotPosition);
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if (Tools.pivotMode == PivotMode.Center)
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TransformOperation.ForcePivotPosition(newPos);
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}
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}
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SplineConversionUtility.ApplyEditableSplinesIfDirty(targets);
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}
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}
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}
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