/// <summary>
/// Copies mesh data from one native array to another
/// </summary>
public static bool CopyNativeDataToMesh(NativeMeshData from, Mesh to, DataFlags dataFlags)
{
if (!from.HasValidData())
{
Debug.LogError("Cannot copy data as some of it is invalid");
return(false);
}
if (to == null)
{
Debug.LogError("Cannot copy data to null mesh");
return(false);
}
if ((dataFlags & DataFlags.Vertices) != 0)
{
to.SetVertices(from.VertexBuffer);
}
if ((dataFlags & DataFlags.Normals) != 0)
{
to.SetNormals(from.NormalBuffer);
}
if ((dataFlags & DataFlags.Tangents) != 0)
{
to.SetTangents(from.TangentBuffer);
}
if ((dataFlags & DataFlags.UVs) != 0)
{
to.SetUVs(0, from.UVBuffer);
}
if ((dataFlags & DataFlags.Colors) != 0)
{
to.SetColors(from.ColorBuffer);
}
if ((dataFlags & DataFlags.Triangles) != 0)
{
for (int i = 0; i < to.subMeshCount; i++)
{
var submesh = to.GetSubMesh(i);
to.SetIndices
(
indices: from.IndexBuffer,
indicesStart: submesh.indexStart,
indicesLength: submesh.indexCount,
topology: submesh.topology,
submesh: i,
calculateBounds: false,
baseVertex: submesh.baseVertex
);
}
}
if ((dataFlags & DataFlags.Bounds) != 0)
{
to.bounds = from.Bounds[0];
}
return(true);
}
/// <summary>
/// Copies mesh data from managed arrays into native ones.
/// </summary>
public static bool CopyManagedToNativeMeshData(ManagedMeshData managed, NativeMeshData native, DataFlags dataFlags)
{
var dataIsValid = true;
if (!managed.HasValidData())
{
dataIsValid = false;
Debug.LogError("Cannot copy data as the managed data is invalid");
}
if (!native.HasValidData())
{
Debug.LogError("Cannot copy data as the native data is invalid");
dataIsValid = false;
}
if (!dataIsValid)
{
return(false);
}
if ((dataFlags & DataFlags.Vertices) != 0)
{
managed.Vertices.MemCpy(native.VertexBuffer);
}
if ((dataFlags & DataFlags.Normals) != 0)
{
managed.Normals.MemCpy(native.NormalBuffer);
}
if ((dataFlags & DataFlags.MaskVertices) != 0)
{
managed.Vertices.MemCpy(native.MaskVertexBuffer);
}
if ((dataFlags & DataFlags.Tangents) != 0)
{
managed.Tangents.MemCpy(native.TangentBuffer);
}
if ((dataFlags & DataFlags.UVs) != 0)
{
managed.UVs.MemCpy(native.UVBuffer);
}
if ((dataFlags & DataFlags.Colors) != 0)
{
managed.Colors.MemCpy(native.ColorBuffer);
}
if ((dataFlags & DataFlags.Triangles) != 0)
{
managed.Triangles.MemCpy(native.IndexBuffer);
}
if ((dataFlags & DataFlags.Bounds) != 0)
{
native.Bounds[0] = managed.Bounds;
}
return(true);
}
/// <summary>
/// Copies mesh data from native arrays into managed ones.
/// </summary>
/// <param name="onlyEssentials">If true, only vertices, normals and bounds are copied. The mask data isn't copied because is only exists in native data.</param>
public static void CopyNativeDataToManagedData(ManagedMeshData managed, NativeMeshData native, DataFlags dataFlags)
{
var dataIsValid = true;
if (!managed.HasValidData())
{
dataIsValid = false;
Debug.LogError("Cannot copy data as the managed data is invalid");
}
if (!native.HasValidData())
{
Debug.LogError("Cannot copy data as the native data is invalid");
dataIsValid = false;
}
if (!dataIsValid)
{
return;
}
if ((dataFlags & DataFlags.Vertices) != 0)
{
native.VertexBuffer.MemCpy(managed.Vertices);
}
if ((dataFlags & DataFlags.Normals) != 0)
{
native.NormalBuffer.MemCpy(managed.Normals);
}
if ((dataFlags & DataFlags.Tangents) != 0)
{
native.TangentBuffer.MemCpy(managed.Tangents);
}
if ((dataFlags & DataFlags.UVs) != 0)
{
native.UVBuffer.MemCpy(managed.UVs);
}
if ((dataFlags & DataFlags.Colors) != 0)
{
native.ColorBuffer.MemCpy(managed.Colors);
}
if ((dataFlags & DataFlags.Triangles) != 0)
{
native.IndexBuffer.CopyTo(managed.Triangles);
}
if ((dataFlags & DataFlags.Bounds) != 0)
{
managed.Bounds = native.Bounds[0];
}
}
/// <summary>
/// Copies mesh data from one native array to another
/// </summary>
public static bool CopyNativeDataToNativeData(NativeMeshData from, NativeMeshData to, DataFlags dataFlags)
{
if (!to.HasValidData() || !from.HasValidData())
{
Debug.LogError("Cannot copy data as some of it is invalid");
return(false);
}
if ((dataFlags & DataFlags.Vertices) != 0)
{
from.VertexBuffer.CopyTo(to.VertexBuffer);
}
if ((dataFlags & DataFlags.Normals) != 0)
{
from.NormalBuffer.CopyTo(to.NormalBuffer);
}
if ((dataFlags & DataFlags.MaskVertices) != 0)
{
from.MaskVertexBuffer.CopyTo(to.MaskVertexBuffer);
}
if ((dataFlags & DataFlags.Tangents) != 0)
{
from.TangentBuffer.CopyTo(to.TangentBuffer);
}
if ((dataFlags & DataFlags.UVs) != 0)
{
from.UVBuffer.CopyTo(to.UVBuffer);
}
if ((dataFlags & DataFlags.Colors) != 0)
{
from.ColorBuffer.CopyTo(to.ColorBuffer);
}
if ((dataFlags & DataFlags.Triangles) != 0)
{
from.IndexBuffer.CopyTo(to.IndexBuffer);
}
if ((dataFlags & DataFlags.Bounds) != 0)
{
from.Bounds.CopyTo(to.Bounds);
}
return(true);
}