145 lines
4.1 KiB
C#
145 lines
4.1 KiB
C#
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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using System;
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using FlaxEditor.Content.Create;
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using FlaxEditor.Content.Thumbnails;
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using FlaxEditor.Viewport.Previews;
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using FlaxEditor.Windows;
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using FlaxEditor.Windows.Assets;
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using FlaxEngine;
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using FlaxEngine.GUI;
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namespace FlaxEditor.Content
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{
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/// <summary>
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/// A <see cref="ParticleEmitter"/> asset proxy object.
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/// </summary>
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/// <seealso cref="FlaxEditor.Content.BinaryAssetProxy" />
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[ContentContextMenu("New/Particles/Particle Emitter")]
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public class ParticleEmitterProxy : BinaryAssetProxy
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{
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private ParticleEmitterPreview _preview;
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private ThumbnailRequest _warmupRequest;
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/// <inheritdoc />
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public override string Name => "Particle Emitter";
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/// <inheritdoc />
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public override EditorWindow Open(Editor editor, ContentItem item)
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{
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return new ParticleEmitterWindow(editor, item as AssetItem);
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}
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/// <inheritdoc />
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public override Color AccentColor => Color.FromRGB(0xFF79D2B0);
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/// <inheritdoc />
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public override Type AssetType => typeof(ParticleEmitter);
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/// <inheritdoc />
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public override bool CanCreate(ContentFolder targetLocation)
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{
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return targetLocation.CanHaveAssets;
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}
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/// <inheritdoc />
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public override void Create(string outputPath, object arg)
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{
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Editor.Instance.ContentImporting.Create(new ParticleEmitterCreateEntry(outputPath));
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}
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/// <inheritdoc />
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public override void OnThumbnailDrawPrepare(ThumbnailRequest request)
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{
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if (_preview == null)
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{
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_preview = new ParticleEmitterPreview(false);
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InitAssetPreview(_preview);
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}
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// Mark for initial warmup
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request.Tag = 0;
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}
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/// <inheritdoc />
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public override bool CanDrawThumbnail(ThumbnailRequest request)
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{
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var state = (int)request.Tag;
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if (state == 2)
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return true;
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// Allow only one request at once during warmup time
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if (_warmupRequest != null && _warmupRequest != request)
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return false;
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// Ensure assets are ready to be used
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if (!_preview.HasLoadedAssets)
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return false;
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var asset = (ParticleEmitter)request.Asset;
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if (!asset.IsLoaded)
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return false;
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if (state == 0)
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{
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// Start the warmup
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_warmupRequest = request;
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request.Tag = 1;
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_preview.Emitter = asset;
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}
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else if (_preview.PreviewActor.Time >= 0.6f)
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{
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// End the warmup
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request.Tag = 2;
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_preview.FitIntoView();
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return true;
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}
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// Handle warmup time for the preview
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_preview.PreviewActor.UpdateSimulation();
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return false;
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}
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/// <inheritdoc />
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public override void OnThumbnailDrawBegin(ThumbnailRequest request, ContainerControl guiRoot, GPUContext context)
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{
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_preview.Parent = guiRoot;
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_preview.SyncBackbufferSize();
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_preview.Task.OnDraw();
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}
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/// <inheritdoc />
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public override void OnThumbnailDrawEnd(ThumbnailRequest request, ContainerControl guiRoot)
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{
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if (_warmupRequest == request)
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{
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_warmupRequest = null;
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}
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_preview.Emitter = null;
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_preview.Parent = null;
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}
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/// <inheritdoc />
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public override void OnThumbnailDrawCleanup(ThumbnailRequest request)
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{
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if (_warmupRequest == request)
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{
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_warmupRequest = null;
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}
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}
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/// <inheritdoc />
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public override void Dispose()
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{
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if (_preview != null)
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{
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_preview.Dispose();
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_preview = null;
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}
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base.Dispose();
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}
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}
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}
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