wehub-resource-sync
116 lines
3.6 KiB
C#
116 lines
3.6 KiB
C#
namespace Lib.image.generate.load;
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[Guid("0b3436db-e283-436e-ba85-2f3a1de76a9d")]
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internal sealed class LoadImage : Instance<LoadImage>, IDescriptiveFilename, IStatusProvider
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{
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[Output(Guid = "E0C4FEDD-5C2F-46C8-B67D-5667435FB037")]
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public readonly Slot<Texture2D> Texture = new();
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public LoadImage()
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{
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_textureResource = ResourceManager.CreateTextureResource(Path);
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_textureResource.AddDependentSlots(Texture);
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Texture.UpdateAction = Update;
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}
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private void Update(EvaluationContext context)
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{
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var useCache = CacheResources.GetValue(context);
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if (!useCache)
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{
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DisposeCache();
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Texture.Value = _textureResource.GetValue(context);
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Texture.DirtyFlag.Clear();
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if (Texture.Value == null)
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{
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_lastErrorMessage = "Failed to load texture: " + Path.Value;
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if(!string.IsNullOrEmpty(Path.Value))
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Log.Warning(_lastErrorMessage, this);
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return;
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}
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var currentSrv = SrvManager.GetSrvForTexture(Texture.Value);
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if (currentSrv == null || currentSrv.IsDisposed)
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return;
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try
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{
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ResourceManager.Device.ImmediateContext.GenerateMips(currentSrv);
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}
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catch (Exception exception)
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{
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Log.Error($"Failed to generate mipmaps for texture {Path.Value}:" + exception);
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}
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}
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else
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{
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var filePath = Path.GetValue(context);
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if (_resourcesCache.TryGetValue(filePath, out var resource))
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{
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Texture.Value = resource.Value;
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return;
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}
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var newResource = ResourceManager.CreateTextureResource(filePath, this);
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if (newResource.Value != null)
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{
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_resourcesCache[filePath] = newResource;
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var currentSrv = SrvManager.GetSrvForTexture(newResource.Value);
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if (currentSrv == null || currentSrv.IsDisposed)
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return;
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try
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{
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ResourceManager.Device.ImmediateContext.GenerateMips(currentSrv);
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}
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catch (Exception exception)
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{
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Log.Error($"Failed to generate mipmaps for texture {Path.Value}:" + exception);
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}
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}
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}
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_lastErrorMessage = string.Empty;
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}
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private void DisposeCache()
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{
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if (_resourcesCache.Count == 0)
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return;
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foreach (var r in _resourcesCache.Values)
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{
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r.Dispose();
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}
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_resourcesCache.Clear();
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}
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[Input(Guid = "76CC3811-4AE0-48B2-A119-890DB5A4EEB2")]
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public readonly InputSlot<string> Path = new();
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[Input(Guid = "96044C6C-D005-4D61-B605-7A6896E98CB6")]
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public readonly InputSlot<bool> CacheResources = new();
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private readonly Dictionary<string, Resource<Texture2D> > _resourcesCache = new();
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public InputSlot<string> SourcePathSlot => Path;
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private readonly Resource<Texture2D> _textureResource;
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IStatusProvider.StatusLevel IStatusProvider.GetStatusLevel() =>
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string.IsNullOrEmpty(_lastErrorMessage)
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? IStatusProvider.StatusLevel.Success
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: IStatusProvider.StatusLevel.Warning;
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string IStatusProvider.GetStatusMessage() => _lastErrorMessage;
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private string _lastErrorMessage = string.Empty;
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} |