Switch points generation from managed thread to unmanaged thread; Change Spline to NativeSpline; Add converter for DistributionMode and update cloner editor ui; Add MeshData type for object distribution calculation; Add ObjectDistributionSetting and ObjectDistributionCalculation(Vertex and Edge Mode);

Runtime/Cloner/Models/DistributionSetting/GridDistributionSetting.cs

@@ -1,6 +1,5 @@
 using System;
 using Unity.Mathematics;
-using UnityEngine;
 
 namespace Misaki.ArtTool
 {
@@ -10,7 +9,6 @@ namespace Misaki.ArtTool
         public int3 count;
         public float3 spacing;
         public GridShape shape;
-        [Range(0.0f, 1.0f)]
         public float fill;
 
         public readonly int DistributionCount => count.x * count.y * count.z;

Runtime/Cloner/Models/DistributionSetting/ObjectDistributionSetting.cs

@@ -1,13 +1,14 @@
 using System;
-using UnityEngine;
 
 namespace Misaki.ArtTool
 {
     [Serializable]
     public struct ObjectDistributionSetting
     {
-        public MeshFilter meshFilter;
+        public MeshData meshData;
+        public ObjectDistributionMode mode;
         public int count;
+        public uint seed;
         public bool alignNormal;
     }
-}
+}

Runtime/Cloner/Models/DistributionSetting/SplineDistributionSetting.cs

@@ -8,7 +8,7 @@ namespace Misaki.ArtTool
     [Serializable]
     public struct SplineDistributionSetting
     {
-        public SplineContainer spline;
+        public NativeSpline nativeSpline;
 
         public int indexOffset;
 
@@ -26,14 +26,9 @@ namespace Misaki.ArtTool
         {
             get
             {
-                if (spline == null)
-                {
-                    return 0;
-                }
-
                 if (isSpacingMode)
                 {
-                    return Mathf.FloorToInt(spline.CalculateLength() / spacing) + 1;
+                    return Mathf.FloorToInt(splineLength / spacing) + 1;
                 }
                 else
                 {

Runtime/Cloner/Models/MeshData.cs

@@ -0,0 +1,76 @@
+using System;
+using Unity.Collections;
+using Unity.Mathematics;
+using UnityEngine;
+
+namespace Misaki.ArtTool
+{
+    public struct MeshData : IDisposable
+    {
+        public Bounds bounds;
+        public NativeArray<int> triangles;
+        public NativeArray<float4> tangents;
+        public NativeArray<float3> vertices;
+        public NativeList<int2> edges;
+        public int vertexCount;
+
+        public float4x4 worldMatrix;
+
+        public MeshData(MeshFilter meshFilter, Allocator allocator)
+        {
+            var mesh = meshFilter.sharedMesh;
+
+            bounds = mesh.bounds;
+
+            triangles = new(mesh.triangles.Length, allocator);
+            for (var i = 0; i < triangles.Length; i++)
+            {
+                triangles[i] = mesh.triangles[i];
+            }
+
+            tangents = new(mesh.tangents.Length, allocator);
+            for (var i = 0; i < tangents.Length; i++)
+            {
+                tangents[i] = mesh.tangents[i];
+            }
+
+            vertices = new(mesh.vertices.Length, allocator);
+            for (var i = 0; i < vertices.Length; i++)
+            {
+                vertices[i] = mesh.vertices[i];
+            }
+
+            vertexCount = mesh.vertexCount;
+
+            edges = new((int)(vertexCount * 1.5f), allocator);
+            for (var i = 0; i < triangles.Length; i += 3)
+            {
+                AddEdge(edges, triangles[i], triangles[i + 1]);
+                AddEdge(edges, triangles[i + 1], triangles[i + 2]);
+                AddEdge(edges, triangles[i + 2], triangles[i]);
+            }
+
+            worldMatrix = meshFilter.transform.localToWorldMatrix;
+
+            static void AddEdge(NativeList<int2> edges, int a, int b)
+            {
+                if (a < b)
+                {
+                    edges.Add(new int2(a, b));
+                }
+                else
+                {
+                    edges.Add(new int2(b, a));
+                }
+            }
+        }
+
+        public void Dispose()
+        {
+            triangles.Dispose();
+            tangents.Dispose();
+            vertices.Dispose();
+            edges.Dispose();
+        }
+    }
+}

Runtime/Cloner/Models/MeshData.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 211ceb887d371d946b4b6617e565d329