public static void WriteMesh(Stream stream, MeshFile mesh)
{
try
{
var meshFile = BuildMeshFile(mesh);
WriteMeshFile(stream, meshFile);
}
catch
{
throw;
}
}
private static MESH_FILE BuildMeshFile(MeshFile mesh)
{
if (!mesh.Cullings.Any(x => x.Type == MeshCullingType.MainModel))
{
if (Debugger.IsAttached)
{
throw new InvalidOperationException("Mesh does not contain culling information");
}
else
{
Debug.WriteLine("Mesh has no culling information!");
}
}
var file = new MESH_FILE
{
Header = MESH_HEADER.Create(mesh)
};
var avgNormals = mesh.GetAverageNormals().DistinctValues().ToList();
var outlines = mesh.GetRoundEdgeShaderData().EqualsDistinct().Select(x => x.Clone()).ToList();
for (int i = 20; i < outlines.Count; i += 21)
{
outlines[i].PackData();
}
var shaderData = new ShaderDataHelper(avgNormals, outlines);
file.AverageNormals = avgNormals.ToArray();
file.RoundEdgeShaderData = outlines.Select(x => new ROUNDEDGE_SHADER_DATA(x.Coords)).ToArray();
file.Geometry = SerializeMeshGeometry(file, shaderData, mesh.Geometry);
file.Cullings = new MESH_CULLING[mesh.Cullings.Count];
for (int i = 0; i < mesh.Cullings.Count; i++)
{
file.Cullings[i] = SerializeMeshCulling(file, shaderData, mesh.Cullings[i]);
}
return(file);
}
public static MeshFile ReadMesh(Stream stream)
{
try
{
var meshFile = ReadMeshFile(stream);
var meshType = (MeshType)meshFile.Header.MeshType;
bool isTextured = meshType == MeshType.StandardTextured || meshType == MeshType.FlexibleTextured;
bool isFlexible = meshType == MeshType.Flexible || meshType == MeshType.FlexibleTextured;
var mainMesh = MeshGeometry.Create(meshFile.Geometry);
SetShaderData(meshFile, meshFile.Geometry, mainMesh);
var mesh = new MeshFile(mainMesh);
if (stream is FileStream fs)
{
mesh.Filename = fs.Name;
}
mesh.SetGeometry(mainMesh);
for (int i = 0; i < meshFile.Cullings.Length; i++)
{
var data = meshFile.Cullings[i];
var culling = new MeshCulling((MeshCullingType)data.Type)
{
FromIndex = data.FromIndex,
IndexCount = data.IndexCount,
FromVertex = data.FromVertex,
VertexCount = data.VertexCount,
};
if (data.Studs != null && data.Studs.Length > 0)
{
for (int j = 0; j < data.Studs.Length; j++)
{
culling.Studs.Add(new Custom2DFieldReference(data.Studs[j]));
}
}
if (data.AdjacentStuds != null && data.AdjacentStuds.Length > 0)
{
for (int j = 0; j < data.AdjacentStuds.Length; j++)
{
culling.AdjacentStuds.Add(new Custom2DFieldReference(data.AdjacentStuds[j]));
}
}
if (data.AlternateMesh.HasValue)
{
var geom = MeshGeometry.Create(data.AlternateMesh.Value);
SetShaderData(meshFile, data.AlternateMesh.Value, geom);
culling.ReplacementMesh = geom;
}
mesh.Cullings.Add(culling);
}
return(mesh);
}
catch
{
throw;
}
}