private Mesh ToMesh(MarchingCubesJob.Out o, int vertexCount, int triangleCount)
{
if (vertexCount < 3 || triangleCount < 1)
{
return(null);
}
Utils.Profiler.BeginSample("[Dig] VoxelChunk.ToMesh");
var tData = digger.Terrain.terrainData;
var mesh = new Mesh();
AddVertexData(mesh, o, vertexCount, triangleCount, tData);
mesh.bounds = GetBounds();
if (digger.MaterialType == TerrainMaterialType.CTS)
{
Utils.Profiler.BeginSample("[Dig] VoxelChunk.ToMesh.RecalculateTangents");
mesh.RecalculateTangents();
Utils.Profiler.EndSample();
}
Utils.Profiler.EndSample();
return(mesh);
}
private void AddVertexData(Mesh mesh, MarchingCubesJob.Out o, int vertexCount, int triangleCount,
TerrainData tData)
{
NativeArray <Vector3> .Copy(o.outVertices, DirectMeshAccess.VertexArray, vertexCount);
NativeArray <int> .Copy(o.outTriangles, DirectMeshAccess.TriangleArray, triangleCount);
NativeArray <Vector3> .Copy(o.outNormals, DirectMeshAccess.NormalArray, vertexCount);
NativeArray <Color> .Copy(o.outColors, DirectMeshAccess.ColorArray, vertexCount);
NativeArray <Vector2> .Copy(o.outUV1s, DirectMeshAccess.Uv0Array, vertexCount);
NativeArray <uint> .Copy(o.outInfos, DirectMeshAccess.InfoArray, vertexCount);
var uvs = DirectMeshAccess.Uv0Array;
var normals = DirectMeshAccess.NormalArray;
var infos = DirectMeshAccess.InfoArray;
for (var i = 0; i < vertexCount; ++i)
{
var texInfo = infos[i];
if (texInfo == Voxel.Unaltered || texInfo == Voxel.OnSurface)
{
// near the terrain surface -> set same normal
var uv = uvs[i];
normals[i] = tData.GetInterpolatedNormal(uv.x, uv.y);
}
}
DirectMeshAccess.DirectSetTotal(mesh, vertexCount, triangleCount);
if (digger.MaterialType == TerrainMaterialType.HDRP)
{
ListPool.ToVector2Lists(o.outUV2s, vertexCount, out var vector2List1, out var vector2List2);
mesh.SetUVs(2, vector2List1);
mesh.SetUVs(3, vector2List2);
}
else
{
mesh.SetUVs(1, ListPool.ToVector4List(o.outUV2s, vertexCount));
mesh.SetUVs(2, ListPool.ToVector4List(o.outUV3s, vertexCount));
mesh.SetUVs(3, ListPool.ToVector4List(o.outUV4s, vertexCount));
}
}
private static Mesh ToMeshSimple(MarchingCubesJob.Out o, int vertexCount, int triangleCount)
{
if (vertexCount < 3 || triangleCount < 3)
{
return(null);
}
Utils.Profiler.BeginSample("[Dig] VoxelChunk.ToMeshSimple");
var mesh = new Mesh();
NativeArray <Vector3> .Copy(o.outVertices, DirectMeshAccess.VertexArray, vertexCount);
NativeArray <int> .Copy(o.outTriangles, DirectMeshAccess.TriangleArray, triangleCount);
NativeArray <Vector3> .Copy(o.outNormals, DirectMeshAccess.NormalArray, vertexCount);
DirectMeshAccess.DirectSet(mesh, vertexCount, triangleCount);
mesh.RecalculateBounds();
Utils.Profiler.EndSample();
return(mesh);
}