88 lines
2.6 KiB
C#
88 lines
2.6 KiB
C#
using System.Collections.Generic;
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using UnityEngine.ProBuilder;
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using UnityEditor.ProBuilder;
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using UnityEngine;
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using UnityEditor;
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using UnityEditor.ProBuilder.UI;
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using Math = System.Math;
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namespace UnityEditor.ProBuilder.Actions
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{
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sealed class FreezeTransform : MenuAction
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{
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public override ToolbarGroup group
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{
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get { return ToolbarGroup.Object; }
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}
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public override Texture2D icon
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{
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get { return IconUtility.GetIcon("Toolbar/Pivot_Reset", IconSkin.Pro); }
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}
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public override TooltipContent tooltip
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{
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get { return s_Tooltip; }
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}
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static readonly TooltipContent s_Tooltip = new TooltipContent
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(
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"Freeze Transform",
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@"Set the pivot point to world coordinates (0,0,0) and clear all Transform values while keeping the mesh in place."
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);
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public override bool enabled
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{
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get { return base.enabled && MeshSelection.selectedObjectCount > 0; }
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}
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public bool ShouldFlipFaces(Vector3 scale)
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{
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var globalSign = Mathf.Sign(scale.x) * Mathf.Sign(scale.y) * Mathf.Sign(scale.z);
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return globalSign < 0;
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}
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protected override ActionResult PerformActionImplementation()
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{
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if (MeshSelection.selectedObjectCount < 1)
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return ActionResult.NoSelection;
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UndoUtility.RecordMeshAndTransformSelection("Freeze Transforms");
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var selection = MeshSelection.topInternal;
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Vector3[][] positions = new Vector3[selection.Count][];
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for (int i = 0, c = selection.Count; i < c; i++)
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positions[i] = selection[i].VerticesInWorldSpace();
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for (int i = 0, c = selection.Count; i < c; i++)
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{
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ProBuilderMesh pb = selection[i];
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bool flipFaces = ShouldFlipFaces(pb.transform.localScale);
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pb.transform.SetPositionAndRotation(Vector3.zero, Quaternion.identity);
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pb.transform.localScale = Vector3.one;
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foreach(Face face in pb.facesInternal)
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{
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face.manualUV = true;
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if(flipFaces)
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face.Reverse();
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}
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pb.positions = positions[i];
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pb.ToMesh();
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pb.Refresh();
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pb.Optimize();
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}
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ProBuilderEditor.Refresh();
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SceneView.RepaintAll();
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return new ActionResult(ActionResult.Status.Success, "Freeze Transforms");
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}
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}
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}
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