public SceneImportResult LoadSkelletalMesh(string xFile)
{
this.xFile = xFile;
var allocator = new MeshAllocator();
AnimationController aController;
FileStream file = new FileStream(xFile, FileMode.Open, FileAccess.Read);
GFrame frameRoot = (GFrame)Frame.LoadHierarchyFromX(Engine.Graphics, file, MeshFlags.Managed, allocator, null, out aController);
var vd = VertexDescriptor.Get <SkinVertex>();
List <Tuple <Bone, GFrame> > bones = new List <Tuple <Bone, GFrame> >();
Bone root = GetBone(frameRoot, bones);
QuadTreeSceneNode sceneNode = new QuadTreeSceneNode(Path.GetFileNameWithoutExtension(xFile), 10);
foreach (var item in bones)
{
if (item.Item2.MeshContainer != null)
{
var mesh = GetMesh((GMeshContainer)item.Item2.MeshContainer, root, vd);
sceneNode.Add(new SkelletalMeshNode(item.Item2.Name, mesh));
}
}
sceneNode.UpdateLayout(true);
try
{
file.Close();
if (aController != null)
{
aController.Dispose();
}
allocator.DestroyFrame(frameRoot);
root.Dispose();
}
catch (Exception)
{
}
//AnimationCollection animations = new AnimationCollection();
//animations.Load(xFile, model.RootBone);
return(new SceneImportResult {
VisualSceneRoot = sceneNode, BoneRoots = new List <Bone> {
root
}
});
}
public EngineContent ToSceneNode()
{
string name = Path.GetFileNameWithoutExtension(this.name);
VertexDescriptor vd = EngineResources.CreateVertexDescriptor <ModelVertex>();
List <Tuple <string, Mesh> > meshes = new List <Tuple <string, Mesh> >(groups.Count);
List <SceneNode> nodes = new List <SceneNode>(groups.Count);
MeshMaterial[] sceneMaterials = new MeshMaterial[materials.Count];
Dictionary <string, MeshMaterial> materialLookup = new Dictionary <string, MeshMaterial>();
for (int i = 0; i < materials.Values.Count; i++)
{
var sourceMat = materials.Values[i];
sceneMaterials[i] = new MeshMaterial
{
Name = name + "_" + sourceMat.Name,
Surface = sourceMat.ToSurfaceInfo(),
NormalMap = sourceMat.NormalMap,
DiffuseMap = sourceMat.Textures != null && sourceMat.Textures.Length > 0 ?
sourceMat.Textures[0] : null
};
materialLookup.Add(sceneMaterials[i].Name, sceneMaterials[i]);
}
List <MeshLayer> layers = new List <MeshLayer>();
//register for each positionIndex in the source container the List of the destination vertices that contain that position
Dictionary <int, List <VertexInfo> > lookup = new Dictionary <int, List <VertexInfo> >();
VertexInfo vi;
ModelVertex v;
List <ModelVertex> vertexes = new List <ModelVertex>();
uint[] indexes;
#region Groups
foreach (var g in groups)
{
List <MeshMaterial> meshMaterials = new List <MeshMaterial>();
Mesh mesh = new Mesh(vd: vd);
mesh.Name = g.Name;
indexes = new uint[g.FaceCount * 3];
int k = 0;
#region Layers
layers.Clear();
foreach (var layer in g.Layers)
{
int startVertex = int.MaxValue;
int vertexCount = 0;
MeshLayer meshLayer = new MeshLayer();
meshLayer.startIndex = k;
meshLayer.primitiveCount = layer.Faces.Count;
var mat = materialLookup[name + "_" + layer.MaterialName];
meshLayer.materialIndex = meshMaterials.IndexOf(mat);
if (meshLayer.materialIndex < 0)
{
meshLayer.materialIndex = meshMaterials.Count;
meshMaterials.Add(mat);
}
#region Faces
foreach (var face in layer.Faces)
{
//for each vertex of the face create a new mesh vertex if the vertex if not yet in the mesh add it to the VertexBuffer
//and create a new face in the IndexBuffer
for (int i = 0; i < 3; i++)
{
//vi describe a new vertex
vi = new VertexInfo()
{
PositionIndex = face.Vertexes[i].Position, NormalIndex = -1, TcIndex = -1
};
//if the vertex position is not in the VertexBuffer add it
if (!lookup.ContainsKey(vi.PositionIndex))
{
v = new ModelVertex(position: positions[vi.PositionIndex]);
if ((vertexFormat & VertexFormat.Normal) == VertexFormat.Normal && face.Vertexes[i].Normal >= 0)
{
vi.NormalIndex = face.Vertexes[i].Normal;
v.Normal = normals[vi.NormalIndex];
}
if ((vertexFormat & VertexFormat.TexCoord) == VertexFormat.TexCoord && face.Vertexes[i].TexCoord >= 0)
{
vi.TcIndex = face.Vertexes[i].TexCoord;
v.TexCoord = texCoords[vi.TcIndex];
}
vi.VertexIndex = vertexes.Count;
lookup.Add(vi.PositionIndex, new List <VertexInfo>()
{
vi
});
vertexes.Add(v);
vertexCount++;
indexes[k] = (uint)vi.VertexIndex;
}
else
{
//else get the list of vertices that contains that position and
// if new vertex is not in the list create the new destination vertex and add it to the VertexBuffer
var vlist = lookup[vi.PositionIndex];
if ((vertexFormat & VertexFormat.Normal) == VertexFormat.Normal)
{
vi.NormalIndex = face.Vertexes[i].Normal;
}
if ((vertexFormat & VertexFormat.TexCoord) == VertexFormat.TexCoord)
{
vi.TcIndex = face.Vertexes[i].TexCoord;
}
int index = vlist.FindIndex(x => x.Equals(vi));
if (index < 0)
{
v = new ModelVertex(positions[vi.PositionIndex]);
if (vi.NormalIndex >= 0)
{
v.Normal = normals[vi.NormalIndex];
}
if (vi.TcIndex >= 0)
{
v.TexCoord = texCoords[vi.TcIndex];
}
vi.VertexIndex = vertexes.Count;
indexes[k] = (uint)vi.VertexIndex;
vertexCount++;
vertexes.Add(v);
vlist.Add(vi);
}
else
{
//else the vertex is already in the VertexBuffer so create add the vertex index
//to the indexbuffer
vi = vlist[index];
indexes[k] = (uint)vi.VertexIndex;
}
}
k++;
startVertex = Math.Min(startVertex, vi.VertexIndex);
}
}
#endregion Faces
meshLayer.startVertex = startVertex;
meshLayer.vertexCount = vertexCount;
layers.Add(meshLayer);
}
#endregion Layers
mesh.SetLayers(layers.ToArray());
var data = vertexes.ToArray();
mesh.CreateVertexBuffer(data);
if (mesh.VertexCount < ushort.MaxValue)
{
mesh.CreateIndexBuffer(indexes.Select(x => (ushort)x).ToArray());
}
else
{
mesh.CreateIndexBuffer(indexes);
}
mesh.DefragmentLayers();
mesh.BlendLayers();
if ((vertexFormat & VertexFormat.Normal) != VertexFormat.Normal)
{
mesh.ComputeNormals();
}
if ((vertexFormat & VertexFormat.TexCoord) != VertexFormat.TexCoord)
{
mesh.ComputeTextureCoords(CoordMappingType.Spherical);
}
mesh.ComputeTangents();
nodes.Add(new SceneNode <MeshInstance>(g.Name, new MeshInstance(meshMaterials.ToArray(), mesh)));
vertexes.Clear();
//test
lookup.Clear();
}
#endregion
QuadTreeSceneNode node = new QuadTreeSceneNode(name, 10);
node.Context = new TechniqueRenderContext(node);
foreach (var item in nodes)
{
node.Add(item);
}
node.UpdateLayout();
var package = new EngineContent(name);
package.Providers.AddRange(sceneMaterials);
package.Providers.Add(node);
return(package);
}
