509 lines
16 KiB
C#
509 lines
16 KiB
C#
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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using System.Xml;
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using FlaxEditor.Content;
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using FlaxEditor.CustomEditors;
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using FlaxEditor.CustomEditors.Editors;
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using FlaxEditor.GUI;
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using FlaxEditor.GUI.Tabs;
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using FlaxEngine;
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using FlaxEngine.GUI;
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using FlaxEngine.Utilities;
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#pragma warning disable 1591
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namespace FlaxEditor.Windows.Assets
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{
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/// <summary>
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/// Editor window to view/modify <see cref="ModelBase"/> asset.
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/// </summary>
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/// <seealso cref="Model" />
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/// <seealso cref="FlaxEditor.Windows.Assets.AssetEditorWindow" />
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public abstract class ModelBaseWindow<TAsset, TWindow> : AssetEditorWindowBase<TAsset>
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where TAsset : ModelBase
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where TWindow : ModelBaseWindow<TAsset, TWindow>
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{
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protected abstract class PropertiesProxyBase
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{
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[HideInEditor]
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public TWindow Window;
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[HideInEditor]
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public TAsset Asset;
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public virtual void OnLoad(TWindow window)
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{
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Window = window;
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Asset = window.Asset;
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}
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public virtual void OnSave()
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{
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}
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public virtual void OnClean()
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{
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Window = null;
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Asset = null;
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}
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}
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protected abstract class ProxyEditorBase : GenericEditor
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{
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internal override void RefreshInternal()
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{
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// Skip updates when model is not loaded
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var proxy = (PropertiesProxyBase)Values[0];
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if (proxy.Asset == null || !proxy.Asset.IsLoaded)
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return;
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base.RefreshInternal();
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}
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}
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protected class Tab : GUI.Tabs.Tab
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{
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public CustomEditorPresenter Presenter;
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public PropertiesProxyBase Proxy;
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public Tab(string text, TWindow window, bool modifiesAsset = true)
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: base(text)
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{
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var scrollPanel = new Panel(ScrollBars.Vertical)
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{
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AnchorPreset = AnchorPresets.StretchAll,
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Offsets = Margin.Zero,
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Parent = this
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};
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Presenter = new CustomEditorPresenter(null);
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Presenter.Panel.Parent = scrollPanel;
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if (modifiesAsset)
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Presenter.Modified += window.MarkAsEdited;
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}
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/// <inheritdoc />
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public override void OnDestroy()
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{
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Presenter.Deselect();
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Presenter = null;
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Proxy = null;
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base.OnDestroy();
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}
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}
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protected class UVsPropertiesProxyBase : PropertiesProxyBase
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{
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public enum UVChannel
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{
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None,
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TexCoord0,
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TexCoord1,
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TexCoord2,
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TexCoord3,
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LightmapUVs,
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};
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private UVChannel _uvChannel = UVChannel.None;
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[EditorOrder(0), EditorDisplay(null, "Preview UV Channel"), EnumDisplay(EnumDisplayAttribute.FormatMode.None)]
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[Tooltip("Set UV channel to preview.")]
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public UVChannel Channel
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{
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get => _uvChannel;
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set
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{
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if (_uvChannel == value)
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return;
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_uvChannel = value;
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Window._meshData?.RequestMeshData(Window._asset);
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}
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}
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[EditorOrder(1), EditorDisplay(null, "LOD"), Limit(0, Model.MaxLODs), VisibleIf("ShowUVs")]
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[Tooltip("Level Of Detail index to preview UVs layout.")]
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public int LOD = 0;
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[EditorOrder(2), EditorDisplay(null, "Mesh"), Limit(-1, 1000000), VisibleIf("ShowUVs")]
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[Tooltip("Mesh index to preview UVs layout. Use -1 for all meshes")]
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public int Mesh = -1;
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private bool ShowUVs => _uvChannel != UVChannel.None;
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/// <inheritdoc />
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public override void OnClean()
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{
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Channel = UVChannel.None;
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base.OnClean();
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}
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protected class ProxyEditor : ProxyEditorBase
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{
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private UVsLayoutPreviewControl _uvsPreview;
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public override void Initialize(LayoutElementsContainer layout)
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{
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var proxy = (UVsPropertiesProxyBase)Values[0];
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if (Utilities.Utils.OnAssetProperties(layout, proxy.Asset))
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return;
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base.Initialize(layout);
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_uvsPreview = layout.Custom<UVsLayoutPreviewControl>().CustomControl;
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_uvsPreview.Window = proxy.Window;
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}
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/// <inheritdoc />
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public override void Refresh()
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{
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base.Refresh();
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if (_uvsPreview != null)
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{
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var proxy = (UVsPropertiesProxyBase)Values[0];
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switch (proxy._uvChannel)
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{
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case UVChannel.TexCoord0: _uvsPreview.Channel = 0; break;
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case UVChannel.TexCoord1: _uvsPreview.Channel = 1; break;
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case UVChannel.TexCoord2: _uvsPreview.Channel = 2; break;
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case UVChannel.TexCoord3: _uvsPreview.Channel = 3; break;
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case UVChannel.LightmapUVs:
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{
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_uvsPreview.Channel = -1;
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if (proxy.Window.Asset && proxy.Window.Asset.IsLoaded)
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{
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// Pick UVs channel index from the first mesh
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proxy.Window.Asset.GetMeshes(out var meshes);
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foreach (var mesh in meshes)
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{
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if (mesh is Mesh m && m.HasLightmapUVs)
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{
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_uvsPreview.Channel = m.LightmapUVsIndex;
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break;
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}
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}
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}
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break;
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}
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default: _uvsPreview.Channel = -1; break;
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}
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_uvsPreview.LOD = proxy.LOD;
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_uvsPreview.Mesh = proxy.Mesh;
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_uvsPreview.HighlightIndex = proxy.Window._highlightIndex;
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_uvsPreview.IsolateIndex = proxy.Window._isolateIndex;
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}
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}
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protected override void Deinitialize()
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{
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_uvsPreview = null;
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base.Deinitialize();
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}
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}
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}
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protected sealed class UVsLayoutPreviewControl : RenderToTextureControl
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{
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private int _channel = -1;
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private int _lod, _mesh = -1;
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private int _highlightIndex = -1;
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private int _isolateIndex = -1;
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public ModelBaseWindow<TAsset, TWindow> Window;
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public UVsLayoutPreviewControl()
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{
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Offsets = new Margin(4);
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AutomaticInvalidate = false;
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}
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public int Channel
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{
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set
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{
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if (_channel == value)
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return;
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_channel = value;
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Visible = _channel != -1;
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if (Visible)
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Invalidate();
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}
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}
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public int LOD
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{
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set
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{
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if (_lod != value)
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{
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_lod = value;
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Invalidate();
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}
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}
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}
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public int Mesh
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{
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set
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{
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if (_mesh != value)
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{
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_mesh = value;
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Invalidate();
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}
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}
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}
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public int HighlightIndex
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{
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set
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{
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if (_highlightIndex != value)
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{
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_highlightIndex = value;
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Invalidate();
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}
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}
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}
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public int IsolateIndex
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{
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set
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{
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if (_isolateIndex != value)
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{
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_isolateIndex = value;
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Invalidate();
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}
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}
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}
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private void DrawMeshUVs(int meshIndex, ref MeshDataCache.MeshData meshData, ref Rectangle bounds)
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{
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if (meshData.IndexBuffer == null || meshData.VertexAccessor == null)
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{
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Render2D.DrawText(Style.Current.FontMedium, "Missing mesh data", bounds, Color.Red, TextAlignment.Center, TextAlignment.Center);
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return;
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}
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var linesColor = _highlightIndex != -1 && _highlightIndex == meshIndex ? Style.Current.BackgroundSelected : Color.White;
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var texCoordStream = meshData.VertexAccessor.TexCoord(_channel);
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if (!texCoordStream.IsValid)
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{
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Render2D.DrawText(Style.Current.FontMedium, "Missing texcoords channel", bounds, Color.Yellow, TextAlignment.Center, TextAlignment.Center);
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return;
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}
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var uvScale = bounds.Size;
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for (int i = 0; i < meshData.IndexBuffer.Length; i += 3)
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{
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// Cache triangle indices
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uint i0 = meshData.IndexBuffer[i + 0];
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uint i1 = meshData.IndexBuffer[i + 1];
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uint i2 = meshData.IndexBuffer[i + 2];
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// Cache triangle uvs positions and transform positions to output target
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Float2 uv0 = texCoordStream.GetFloat2((int)i0) * uvScale;
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Float2 uv1 = texCoordStream.GetFloat2((int)i1) * uvScale;
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Float2 uv2 = texCoordStream.GetFloat2((int)i2) * uvScale;
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// Don't draw too small triangles
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float area = Float2.TriangleArea(ref uv0, ref uv1, ref uv2);
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if (area > 10.0f)
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{
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// Draw triangle
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Render2D.DrawLine(uv0, uv1, linesColor);
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Render2D.DrawLine(uv1, uv2, linesColor);
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Render2D.DrawLine(uv2, uv0, linesColor);
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}
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}
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}
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/// <inheritdoc />
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public override void DrawSelf()
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{
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base.DrawSelf();
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var bounds = new Rectangle(Float2.Zero, Size);
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if (_channel < 0 || bounds.Size.MaxValue < 5.0f)
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return;
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if (Window._meshData == null)
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Window._meshData = new MeshDataCache();
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if (!Window._meshData.RequestMeshData(Window._asset))
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{
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Invalidate();
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Render2D.DrawText(Style.Current.FontMedium, "Loading...", bounds, Color.White, TextAlignment.Center, TextAlignment.Center);
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return;
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}
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Render2D.PushClip(bounds);
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var meshDatas = Window._meshData.MeshDatas;
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var lodIndex = Mathf.Clamp(_lod, 0, meshDatas.Length - 1);
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var lod = meshDatas[lodIndex];
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var mesh = Mathf.Clamp(_mesh, -1, lod.Length - 1);
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if (mesh == -1)
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{
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for (int meshIndex = 0; meshIndex < lod.Length; meshIndex++)
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{
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if (_isolateIndex != -1 && _isolateIndex != meshIndex)
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continue;
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DrawMeshUVs(meshIndex, ref lod[meshIndex], ref bounds);
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}
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}
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else
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{
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DrawMeshUVs(mesh, ref lod[mesh], ref bounds);
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}
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Render2D.PopClip();
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}
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protected override void OnSizeChanged()
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{
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Height = Width;
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base.OnSizeChanged();
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}
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protected override void OnVisibleChanged()
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{
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base.OnVisibleChanged();
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Parent.PerformLayout();
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Height = Width;
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}
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}
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protected readonly SplitPanel _split;
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protected readonly Tabs _tabs;
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protected readonly ToolStripButton _saveButton;
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protected bool _refreshOnLODsLoaded;
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protected bool _skipEffectsGuiEvents;
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protected int _isolateIndex = -1;
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protected int _highlightIndex = -1;
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protected MeshDataCache _meshData;
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/// <inheritdoc />
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protected ModelBaseWindow(Editor editor, AssetItem item)
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: base(editor, item)
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{
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var inputOptions = Editor.Options.Options.Input;
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// Toolstrip
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_saveButton = _toolstrip.AddButton(editor.Icons.Save64, Save).LinkTooltip("Save", ref inputOptions.Save);
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// Split Panel
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_split = new SplitPanel(Orientation.Horizontal, ScrollBars.None, ScrollBars.None)
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{
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AnchorPreset = AnchorPresets.StretchAll,
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Offsets = new Margin(0, 0, _toolstrip.Bottom, 0),
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SplitterValue = 0.59f,
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Parent = this
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};
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// Properties tabs
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_tabs = new Tabs
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{
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AnchorPreset = AnchorPresets.StretchAll,
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Offsets = Margin.Zero,
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TabsSize = new Float2(60, 20),
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TabsTextHorizontalAlignment = TextAlignment.Center,
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UseScroll = true,
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Parent = _split.Panel2
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};
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}
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/// <inheritdoc />
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protected override void UpdateToolstrip()
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{
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_saveButton.Enabled = IsEdited;
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base.UpdateToolstrip();
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}
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/// <inheritdoc />
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protected override void UnlinkItem()
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{
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_meshData?.WaitForMeshDataRequestEnd();
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foreach (var child in _tabs.Children)
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{
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if (child is Tab tab && tab.Proxy.Window != null)
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tab.Proxy.OnClean();
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}
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base.UnlinkItem();
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}
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/// <inheritdoc />
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protected override void OnAssetLoaded()
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{
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foreach (var child in _tabs.Children)
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{
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if (child is Tab tab)
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{
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tab.Proxy.OnLoad((TWindow)this);
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tab.Presenter.BuildLayout();
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}
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}
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ClearEditedFlag();
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base.OnAssetLoaded();
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}
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/// <inheritdoc />
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public override void OnItemReimported(ContentItem item)
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{
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// Discard any old mesh data cache
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_meshData?.Dispose();
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// Refresh the properties (will get new data in OnAssetLoaded)
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foreach (var child in _tabs.Children)
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{
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if (child is Tab tab)
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{
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tab.Proxy.OnClean();
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tab.Presenter.BuildLayout();
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}
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}
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ClearEditedFlag();
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_refreshOnLODsLoaded = true;
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base.OnItemReimported(item);
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}
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/// <inheritdoc />
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public override void OnDestroy()
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{
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// Free mesh memory
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_meshData?.Dispose();
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_meshData = null;
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base.OnDestroy();
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}
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/// <inheritdoc />
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public override bool UseLayoutData => true;
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/// <inheritdoc />
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public override void OnLayoutSerialize(XmlWriter writer)
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{
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LayoutSerializeSplitter(writer, "Split", _split);
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}
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/// <inheritdoc />
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public override void OnLayoutDeserialize(XmlElement node)
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{
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LayoutDeserializeSplitter(node, "Split", _split);
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}
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/// <inheritdoc />
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public override void OnLayoutDeserialize()
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{
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_split.SplitterValue = 0.59f;
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}
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}
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}
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