public CarLodGeneratorMergeRules(Kn5NodeFilterContext filterContext, CarLodGeneratorStageParams stage) { _filterContext = filterContext; _mergeExceptions = stage.MergeExceptions?.Select(filterContext.CreateFilter).ToArray(); _mergeParents = stage.MergeParents?.Select(filterContext.CreateFilter).ToArray(); _mergeAsBlack = stage.MergeAsBlack?.Select(filterContext.CreateFilter).ToArray(); _elementToRemove = stage.ElementsToRemove?.Select(filterContext.CreateFilter).ToArray(); _emptyNodesToKeep = stage.EmptyNodesToKeep?.Select(filterContext.CreateFilter).ToArray(); _elementPriorities = stage.ElementsPriorities?.Select(x => Tuple.Create(filterContext.CreateFilter(x.Filter), x.Priority)).ToArray(); _offsetsAlongNormal = stage.OffsetsAlongNormal?.Select(x => Tuple.Create(filterContext.CreateFilter(x.Filter), x.Priority)).ToArray(); }
public async Task SaveInputModelAsync(CarLodGeneratorStageParams stage, string filename) { var kn5 = Kn5.FromBytes(_originalKn5Data, SkippingTextureLoader.Instance); var filterContext = new Kn5NodeFilterContext(stage.DefinitionsData, stage.UserDefined, _carDirectory, _carData, kn5); await PrepareForGenerationAsync(filterContext, kn5, stage, true); if (stage.InlineGeneration?.Source != null) { var inlineHr = kn5.Nodes.FirstOrDefault(filterContext.CreateFilter(stage.InlineGeneration.Source).Test); if (inlineHr == null) { throw new Exception($"{stage.InlineGeneration.Source} node is missing"); } kn5.RootNode.Children = new List <Kn5Node> { inlineHr }; } kn5.Save(filename); }
private async Task <Tuple <string, string> > GenerateLodStageAsync(int index, CarLodGeneratorStageParams stage, IProgress <double?> progress, CancellationToken cancellationToken) { var kn5 = await Task.Run(() => Kn5.FromBytes(_originalKn5Data, SkippingTextureLoader.Instance)); progress.Report(0.01); var filterContext = new Kn5NodeFilterContext(stage.DefinitionsData, stage.UserDefined, _carDirectory, _carData, kn5); await PrepareForGenerationAsync(filterContext, kn5, stage, false); progress.Report(0.02); cancellationToken.ThrowIfCancellationRequested(); if (stage.InlineGeneration?.Source != null) { var inlineHr = kn5.Nodes.FirstOrDefault(filterContext.CreateFilter(stage.InlineGeneration.Source).Test); if (inlineHr == null) { throw new Exception($"{stage.InlineGeneration.Source} node is missing"); } kn5.RootNode.Children = new List <Kn5Node> { inlineHr }; } var temporaryFilenamePrefix = Path.Combine(_temporaryDirectory, $"{Path.GetFileName(_carDirectory)}_{index}"); var preparedFbxFilename = FileUtils.EnsureUnique($"{temporaryFilenamePrefix}_in.fbx"); try { await Task.Run(() => kn5.ExportFbx(preparedFbxFilename)); progress.Report(0.03); cancellationToken.ThrowIfCancellationRequested(); var checksum = await CalculateChecksumAsync(kn5); progress.Report(0.04); cancellationToken.ThrowIfCancellationRequested(); var generated = await GenerateLodAsync(preparedFbxFilename, kn5, stage, checksum, progress.SubrangeDouble(0.04, 0.98), cancellationToken); cancellationToken.ThrowIfCancellationRequested(); return(await Task.Run(() => { if (stage.InlineGeneration?.Destination != null) { var inlineLr = generated.RootNode.Children[0].NodeClass == Kn5NodeClass.Mesh ? generated.RootNode : generated.RootNode.Children[0]; inlineLr.Active = false; inlineLr.Name = stage.InlineGeneration.Destination; generated = Kn5.FromBytes(_originalKn5Data); IterateChildren(generated.RootNode); if (inlineLr != null) { generated.RootNode.Children.Add(inlineLr); } void IterateChildren(Kn5Node node) { if (stage.InlineGeneration == null) { return; } for (var i = node.Children.Count - 1; i >= 0; i--) { var child = node.Children[i]; if (child.Name == stage.InlineGeneration.Destination) { node.Children.RemoveAt(i); } else if (inlineLr != null && child.Name == stage.InlineGeneration.Source) { node.Children.Insert(i + 1, inlineLr); inlineLr = null; } else { IterateChildren(child); } } } cancellationToken.ThrowIfCancellationRequested(); progress.Report(0.99); } // This way it would kind of rename them all at once, allowing to swap names if necessary stage.Rename?.Where(x => x.OldName != null).Select(x => new { Nodes = generated.Nodes.Where(filterContext.CreateFilter(x.OldName ?? string.Empty).Test).ToList(), x.NewName }).Where(x => x.NewName != null).ToList() .ForEach(x => x.Nodes.ForEach(y => y.Name = string.Format(x.NewName, y.Name))); var resultFilename = FileUtils.EnsureUnique($"{temporaryFilenamePrefix}_out.kn5"); generated.Save(resultFilename); generated.RemoveUnusedMaterials(); progress.Report(1d); return Tuple.Create(resultFilename, CalculateChecksum(generated)); })); } finally { if (!stage.KeepTemporaryFiles) { FileUtils.TryToDelete(preparedFbxFilename); } } }
private static async Task PrepareForGenerationAsync(Kn5NodeFilterContext filterContext, IKn5 kn5, CarLodGeneratorStageParams stage, bool printNodes) { var mergeRules = new CarLodGeneratorMergeRules(filterContext, stage); var toMerge = new Dictionary <Kn5Node, List <Tuple <Kn5Node, double, Mat4x4> > >(); var nodeIndices = new Dictionary <Kn5Node, int>(); MergeNode(kn5.RootNode, kn5.RootNode, 1d); foreach (var pair in toMerge) { var mergeData = pair.Value.GroupBy(x => mergeRules.MergeGroup(x.Item1, x.Item2)) .OrderBy(v => mergeRules.GroupOrder(kn5, v, nodeIndices)).Select(v => v.ToList()).ToList(); await Task.Run(() => { foreach (var group in mergeData) { MergeMeshes(pair.Key, group, mergeRules, stage); } }); } foreach (var node in kn5.Nodes.Where(x => x.Children?.Count > 1).ToList()) { var meshesList = node.Children .Where(x => x.NodeClass != Kn5NodeClass.Base) .Select((x, i) => new { x, i = OrderIndex(x, i) }) .OrderBy(x => x.i) .Select(x => x.x).ToList(); if (meshesList.Count > 0) { if (node.Children.Any(x => x.NodeClass == Kn5NodeClass.Base)) { node.Children = node.Children.Where(x => x.NodeClass == Kn5NodeClass.Base) .Prepend(Kn5Node.CreateBaseNode($"__{meshesList[0].Name}_wrap_", meshesList, true)) .Select((x, i) => new { x, i = OrderIndex(x, i) }) .OrderBy(x => x.i) .Select(x => x.x).ToList(); } else { node.Children = meshesList; } } } if (printNodes) { PrintNode(kn5.RootNode, 0, 0); } mergeRules.FinalizeKn5(kn5); var duplicateNames = kn5.Nodes.GroupBy(x => $"{x.NodeClass}/{x.Name}") .Select(x => x.ToList()).Where(x => x.Count > 1).ToList(); foreach (var group in duplicateNames) { AcToolsLogging.Write($"Duplicate name: {group[0].Name} ({group[0].NodeClass})"); foreach (var toRename in group.Skip(1).Select((x, i) => new { x, i })) { toRename.x.Name = $"{toRename.x.Name}___$unique:{toRename.i}"; } } int OrderIndex(Kn5Node node, int index) { return(index + (AnyTransparent(node) ? 1 << 10 : 0)); } void PrintNode(Kn5Node node, int level, int index) { var postfix = node.NodeClass == Kn5NodeClass.Base ? "" : $"{(node.IsTransparent ? ", transparent" : "")}, material: {kn5.GetMaterial(node.MaterialId)?.Name}"; AcToolsLogging.Write( $"{new string('\t', level)}{node.Name} [{node.NodeClass}{postfix}, index: {OrderIndex(node, index)}, aabb: {filterContext.GetAabb3(node)}]"); if (node.NodeClass == Kn5NodeClass.Base) { for (var i = 0; i < node.Children.Count; i++) { PrintNode(node.Children[i], level + 1, i); } } } bool AnyTransparent(Kn5Node node) { return(node.NodeClass == Kn5NodeClass.Base ? node.Children.Any(AnyTransparent) : node.IsTransparent || kn5.GetMaterial(node.MaterialId)?.BlendMode == Kn5MaterialBlendMode.AlphaBlend); } void ApplyPriority(Kn5Node mesh, double priority) { var offset = MoveAsideDistance(priority, stage); for (var i = 0; i < mesh.Vertices.Length; i++) { Apply(ref mesh.Vertices[i]); } mesh.Tag = priority; void Apply(ref Kn5Node.Vertex v) { v.Position[0] = v.Position[0] * (float)priority + offset.X; v.Position[1] = v.Position[1] * (float)priority + offset.Y; v.Position[2] = v.Position[2] * (float)priority + offset.Z; } } bool MergeNode(Kn5Node node, Kn5Node mergeRoot, double priority) { nodeIndices[node] = nodeIndices.Count; if (node != mergeRoot) { if (mergeRules.CanSkipNode(node)) { if (node.NodeClass == Kn5NodeClass.Base && !mergeRules.HasParentWithSameName(node) && !mergeRules.CanRemoveEmptyNode(node)) { node.Children.Clear(); return(true); } return(false); } var priorityAdjustment = mergeRules.CalculateReductionPriority(node); if (priorityAdjustment != 1d && (priorityAdjustment < priority || priority == 1d || node.NodeClass == Kn5NodeClass.Mesh)) { priority = priorityAdjustment; } if (node.NodeClass == Kn5NodeClass.Mesh) { if (mergeRoot != null && mergeRules.CanMerge(node)) { if (!toMerge.ContainsKey(mergeRoot)) { toMerge[mergeRoot] = new List <Tuple <Kn5Node, double, Mat4x4> >(); } toMerge[mergeRoot].Add(Tuple.Create(node, priority, node.CalculateTransformRelativeToParent(mergeRoot))); return(false); } if (priority != 1d) { ApplyPriority(node, priority); } return(true); } if (node.NodeClass == Kn5NodeClass.SkinnedMesh) { return(true); } if (mergeRoot != null) { if (!mergeRules.CanMerge(node)) { mergeRoot = null; } else if (node.Name != mergeRoot.Name && mergeRules.IsNodeMergeRoot(node)) { mergeRoot = node; } } } for (var i = 0; i < node.Children.Count; ++i) { if (!MergeNode(node.Children[i], mergeRoot, priority)) { node.Children.RemoveAt(i); --i; } } return(node.Children.Count > 0 || mergeRoot == node || !mergeRules.CanRemoveEmptyNode(node)); } }