cleanup: remove obsolete Clod.cs file

src/Runtime/Ghost.Graphics/Clod.cs

@@ -1,143 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-using Ghost.MeshOptimizer;
-
-namespace Ghost.Clod;
-
-[StructLayout(LayoutKind.Sequential)]
-public unsafe struct ClodConfig
-{
-    public nuint MaxVertices;
-    public nuint MinTriangles;
-    public nuint MaxTriangles;
-
-    public bool PartitionSpatial;
-    public bool PartitionSort;
-    public nuint PartitionSize;
-
-    public bool ClusterSpatial;
-    public float ClusterFillWeight;
-    public float ClusterSplitFactor;
-
-    public float SimplifyRatio;
-    public float SimplifyThreshold;
-
-    public float SimplifyErrorMergePrevious;
-    public float SimplifyErrorMergeAdditive;
-
-    public float SimplifyErrorFactorSloppy;
-
-    public float SimplifyErrorEdgeLimit;
-
-    public bool SimplifyPermissive;
-
-    public bool SimplifyFallbackPermissive;
-    public bool SimplifyFallbackSloppy;
-
-    public bool SimplifyRegularize;
-
-    public bool OptimizeBounds;
-
-    public bool OptimizeClusters;
-}
-
-[StructLayout(LayoutKind.Sequential)]
-public unsafe struct ClodMesh
-{
-    public uint* Indices;
-    public nuint IndexCount;
-
-    public nuint VertexCount;
-
-    public float* VertexPositions;
-    public nuint VertexPositionsStride;
-
-    public float* VertexAttributes;
-    public nuint VertexAttributesStride;
-
-    public byte* VertexLock;
-
-    public float* AttributeWeights;
-    public nuint AttributeCount;
-
-    public uint AttributeProtectMask;
-}
-
-[StructLayout(LayoutKind.Sequential)]
-public unsafe struct ClodBounds
-{
-    public fixed float Center[3];
-    public float Radius;
-    public float Error;
-}
-
-[StructLayout(LayoutKind.Sequential)]
-public unsafe struct ClodCluster
-{
-    public int Refined;
-    public ClodBounds Bounds;
-    public uint* Indices;
-    public nuint IndexCount;
-    public nuint VertexCount;
-}
-
-[StructLayout(LayoutKind.Sequential)]
-public unsafe struct ClodGroup
-{
-    public int Depth;
-    public ClodBounds Simplified;
-}
-
-public unsafe delegate int ClodOutputDelegate(void* outputContext, ClodGroup group, ClodCluster* clusters, nuint clusterCount);
-
-public unsafe static class Clod
-{
-    public static ClodConfig ClodDefaultConfig(nuint maxTriangles)
-    {
-        // assert(max_triangles >= 4 && max_triangles <= 256);
-        ClodConfig config = new ClodConfig();
-        config.MaxVertices = maxTriangles;
-        config.MinTriangles = maxTriangles / 3;
-        config.MaxTriangles = maxTriangles;
-
-        // Alignment note: implementation had MESHOPTIMIZER_VERSION < 1000 check. Assuming modern.
-        
-        config.PartitionSpatial = true;
-        config.PartitionSize = 16;
-
-        config.ClusterSpatial = false;
-        config.ClusterSplitFactor = 2.0f;
-
-        config.OptimizeClusters = true;
-
-        config.SimplifyRatio = 0.5f;
-        config.SimplifyThreshold = 0.85f;
-        config.SimplifyErrorMergePrevious = 1.0f;
-        config.SimplifyErrorFactorSloppy = 2.0f;
-        config.SimplifyPermissive = true;
-        config.SimplifyFallbackPermissive = false;
-        config.SimplifyFallbackSloppy = true;
-
-        return config;
-    }
-
-    public static ClodConfig ClodDefaultConfigRT(nuint maxTriangles)
-    {
-        ClodConfig config = ClodDefaultConfig(maxTriangles);
-
-        config.MinTriangles = maxTriangles / 4;
-        config.MaxVertices = Math.Min((nuint)256, maxTriangles * 2);
-
-        config.ClusterSpatial = true;
-        config.ClusterFillWeight = 0.5f;
-
-        return config;
-    }
-
-    // clodBuild translation would go here, involving the implementation logic.
-    // Given the complexity of the full implementation (std::vector, etc.), I will continue
-    // implementing the translation logic iteratively or request for a multi-file approach if needed.
-    // For now, these structs and headers provide the foundational API mapping requested.
-}