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Static models show using Mlang in the ModelViewer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Numerics; | ||
| using Veldrid; | ||
| using zzio; | ||
| using zzio.rwbs; | ||
| using zzio.vfs; | ||
| using zzre.materials; | ||
|
|
||
| namespace zzre; | ||
|
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| public class ClumpBuffersDeinterleaved : BaseDisposable | ||
| { | ||
| public readonly struct SubMesh | ||
| { | ||
| public readonly int IndexOffset, IndexCount; | ||
| public readonly RWMaterial Material; | ||
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|
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| public SubMesh(int io, int ic, RWMaterial m) => (IndexOffset, IndexCount, Material) = (io, ic, m); | ||
| } | ||
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| private readonly DeviceBuffer posBuffer; | ||
| private readonly DeviceBuffer normalBuffer; | ||
| private readonly DeviceBuffer uvBuffer; | ||
| private readonly DeviceBuffer colorBuffer; | ||
| private readonly DeviceBuffer? boneWeightBuffer; | ||
| private readonly DeviceBuffer? boneIndexBuffer; | ||
| private readonly DeviceBuffer indexBuffer; | ||
| private readonly SubMesh[] subMeshes; | ||
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|
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| public int VertexCount => (int)(posBuffer.SizeInBytes / (sizeof(float) * 3)); | ||
| public int TriangleCount => (int)(indexBuffer.SizeInBytes / (sizeof(ushort) * 3)); | ||
| public RWSkinPLG? Skin { get; } | ||
| public IReadOnlyList<SubMesh> SubMeshes => subMeshes; | ||
| public Vector3 BSphereCenter { get; } | ||
| public float BSphereRadius { get; } | ||
| public Box Bounds { get; } | ||
| public bool IsSolid { get; } | ||
| public RWGeometry RWGeometry { get; } | ||
| public string Name { get; set; } | ||
|
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| public ClumpBuffersDeinterleaved(ITagContainer diContainer, FilePath path) | ||
| : this(diContainer, diContainer.GetTag<IResourcePool>().FindFile(path) ?? | ||
| throw new FileNotFoundException($"Could not find model at {path.ToPOSIXString()}")) | ||
| { } | ||
| public ClumpBuffersDeinterleaved(ITagContainer diContainer, IResource resource) | ||
| : this(diContainer, resource.OpenAsRWBS<RWClump>(), resource.Name.Replace(".DFF", "", System.StringComparison.InvariantCultureIgnoreCase)) { } | ||
|
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|
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| private unsafe DeviceBuffer BufferFromArray<T>(GraphicsDevice device, string attrName, T[]? array, int length = -1, T defValue = default) where T : unmanaged | ||
| { | ||
| if (array?.Length == 0) | ||
| array = null; | ||
| if (array == null && length < 0) | ||
| throw new System.ArgumentException(); | ||
| if (array != null) | ||
| length = array.Length; | ||
| var buffer = device.ResourceFactory.CreateBuffer(new((uint)(sizeof(T) * length), BufferUsage.VertexBuffer)); | ||
| buffer.Name = $"Clump {Name} {attrName}"; | ||
| device.UpdateBuffer(buffer, 0, array ?? Enumerable.Repeat(defValue, length).ToArray()); | ||
| return buffer; | ||
| } | ||
|
|
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| public ClumpBuffersDeinterleaved(ITagContainer diContainer, RWClump clump, string name = "") | ||
| { | ||
| Name = name; | ||
| var device = diContainer.GetTag<GraphicsDevice>(); | ||
| var atomic = clump.FindChildById(SectionId.Atomic, recursive: false) as RWAtomic; | ||
| var geometry = clump.FindChildById(SectionId.Geometry, true) as RWGeometry; | ||
| var materialList = geometry?.FindChildById(SectionId.MaterialList, false) as RWMaterialList; | ||
| var materials = materialList?.children.Where(s => s is RWMaterial).Cast<RWMaterial>().ToArray(); | ||
| var morphTarget = geometry?.morphTargets[0]; // TODO: morph support for the one model that uses it? | ||
| if (geometry == null || morphTarget == null || materials == null || atomic == null) | ||
| throw new InvalidDataException("Could not find valid section structure in clump"); | ||
| RWGeometry = geometry; | ||
| BSphereCenter = morphTarget.bsphereCenter; | ||
| BSphereRadius = morphTarget.bsphereRadius; | ||
| IsSolid = atomic.flags.HasFlag(AtomicFlags.CollisionTest); | ||
|
|
||
| var vertexCount = morphTarget.vertices.Length; | ||
| posBuffer = BufferFromArray(device, "Pos", morphTarget.vertices); | ||
| normalBuffer = BufferFromArray<Vector3>(device, "Normal", null, vertexCount); | ||
| uvBuffer = BufferFromArray(device, "UV", geometry.texCoords.Length > 0 ? geometry.texCoords[0] : null, vertexCount); | ||
| colorBuffer = BufferFromArray(device, "Color", geometry.colors, vertexCount, new IColor(255)); | ||
|
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||
| var vertices = new ModelStandardVertex[morphTarget.vertices.Length]; | ||
| var bounds = new Box(morphTarget.vertices.First(), Vector3.Zero); | ||
| for (int i = 0; i < vertices.Length; i++) | ||
| bounds = bounds.Union(vertices[i].pos); | ||
| Bounds = bounds; | ||
|
|
||
| // TODO: might have to correlate to the materialIndices member of materialList | ||
| var trianglesByMatIdx = geometry.triangles.GroupBy(t => t.m).Where(g => g.Any()); | ||
| var indices = trianglesByMatIdx.SelectMany( | ||
| g => g.SelectMany(t => new[] { t.v1, t.v2, t.v3 }) | ||
| ).ToArray(); | ||
| subMeshes = new SubMesh[trianglesByMatIdx.Count()]; | ||
| int nextIndexPtr = 0; | ||
| foreach (var (group, idx) in trianglesByMatIdx.Indexed()) | ||
| { | ||
| subMeshes[idx] = new SubMesh(nextIndexPtr, group.Count() * 3, materials[group.Key]); | ||
| nextIndexPtr += subMeshes[idx].IndexCount; | ||
| } | ||
| indexBuffer = device.ResourceFactory.CreateBuffer(new BufferDescription((uint)indices.Length * 2, BufferUsage.IndexBuffer)); | ||
| indexBuffer.Name = $"Clump {name} Indices"; | ||
| device.UpdateBuffer(indexBuffer, 0, indices); | ||
|
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||
| Skin = clump.FindChildById(SectionId.SkinPLG, true) as RWSkinPLG; | ||
| if (Skin != null) | ||
| { | ||
| if (vertices.Length != Skin.vertexWeights.GetLength(0)) | ||
| throw new InvalidDataException("Vertex count in skin is not equal to geometry"); | ||
| /*var skinVertices = new SkinVertex[vertices.Length]; | ||
| for (int i = 0; i < skinVertices.Length; i++) | ||
| { | ||
| skinVertices[i].bone0 = Skin.vertexIndices[i, 0]; | ||
| skinVertices[i].bone1 = Skin.vertexIndices[i, 1]; | ||
| skinVertices[i].bone2 = Skin.vertexIndices[i, 2]; | ||
| skinVertices[i].bone3 = Skin.vertexIndices[i, 3]; | ||
| skinVertices[i].weights.X = Skin.vertexWeights[i, 0]; | ||
| skinVertices[i].weights.Y = Skin.vertexWeights[i, 1]; | ||
| skinVertices[i].weights.Z = Skin.vertexWeights[i, 2]; | ||
| skinVertices[i].weights.W = Skin.vertexWeights[i, 3]; | ||
| } | ||
| skinBuffer = device.ResourceFactory.CreateBuffer(new BufferDescription((uint)skinVertices.Length * SkinVertex.Stride, BufferUsage.VertexBuffer)); | ||
| skinBuffer.Name = $"Clump {name} Skin"; | ||
| device.UpdateBuffer(skinBuffer, 0, skinVertices);*/ | ||
| } | ||
| } | ||
|
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||
| protected override void DisposeManaged() | ||
| { | ||
| base.DisposeManaged(); | ||
| posBuffer.Dispose(); | ||
| normalBuffer.Dispose(); | ||
| uvBuffer.Dispose(); | ||
| colorBuffer.Dispose(); | ||
| boneWeightBuffer?.Dispose(); | ||
| boneIndexBuffer?.Dispose(); | ||
| indexBuffer.Dispose(); | ||
| } | ||
|
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| public void SetBuffers(CommandList commandList) | ||
| { | ||
| commandList.SetVertexBuffer(0, posBuffer); | ||
| commandList.SetVertexBuffer(1, normalBuffer); | ||
| commandList.SetVertexBuffer(2, uvBuffer); | ||
| commandList.SetVertexBuffer(3, colorBuffer); | ||
| commandList.SetIndexBuffer(indexBuffer, IndexFormat.UInt16); | ||
| } | ||
|
|
||
| public void SetSkinBuffer(CommandList commandList) | ||
| { | ||
| } | ||
| } |
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