public Model Load(string name, AssetLoadContext context)
{
// Find it in the file system.
FileSystemEntry entry = null;
foreach (var path in _pathResolver.GetPaths(name, context.Language))
{
entry = context.FileSystem.GetFile(path);
if (entry != null)
{
break;
}
}
if (entry == null)
{
return(null);
}
// Load model.
W3dFile w3dFile;
using (var entryStream = entry.Open())
{
w3dFile = W3dFile.FromStream(entryStream, entry.FilePath);
}
var w3dHLod = w3dFile.HLod;
var w3dHierarchy = w3dFile.Hierarchy;
ModelBoneHierarchy boneHierarchy;
if (w3dHierarchy != null)
{
boneHierarchy = new ModelBoneHierarchy(w3dHierarchy);
}
else if (w3dHLod != null && w3dHierarchy == null)
{
// Load referenced hierarchy.
boneHierarchy = context.AssetStore.ModelBoneHierarchies.GetByName(w3dHLod.Header.HierarchyName);
}
else
{
boneHierarchy = ModelBoneHierarchy.CreateDefault();
}
return(CreateModel(
context,
w3dFile,
boneHierarchy));
}
private static Model CreateModel(
AssetLoadContext context,
W3dFile w3dFile,
ModelBoneHierarchy boneHierarchy)
{
//BoundingSphere boundingSphere = default(BoundingSphere);
var w3dHLod = w3dFile.HLod;
var subObjects = new List <ModelSubObject>();
if (w3dHLod != null)
{
foreach (var w3dSubObject in w3dHLod.Lods[0].SubObjects)
{
if (!w3dFile.RenderableObjectsByName.TryGetValue(w3dSubObject.Name, out var w3dRenderableObject))
{
continue;
}
var bone = boneHierarchy.Bones[(int)w3dSubObject.BoneIndex];
//var meshBoundingSphere = mesh.BoundingSphere.Transform(bone.Transform);
//boundingSphere = (i == 0)
// ? meshBoundingSphere
// : BoundingSphere.CreateMerged(boundingSphere, meshBoundingSphere);
subObjects.Add(
CreateSubObject(
w3dSubObject.Name,
w3dRenderableObject,
bone,
context));
}
}
else if (w3dFile.RenderableObjects.Count > 0)
{
// Simple models can have only one mesh with no HLod chunk.
if (w3dFile.RenderableObjects.Count != 1)
{
throw new InvalidOperationException();
}
var w3dRenderableObjectPair = w3dFile.RenderableObjectsByName.First();
subObjects.Add(
CreateSubObject(
w3dRenderableObjectPair.Key,
w3dRenderableObjectPair.Value,
boneHierarchy.Bones[0],
context));
}
else
{
}
return(new Model(
Path.GetFileNameWithoutExtension(w3dFile.FilePath),
boneHierarchy,
subObjects.ToArray()));
}
private static Model CreateModel(
AssetLoadContext context,
W3dFile w3dFile,
ModelBoneHierarchy boneHierarchy)
{
//BoundingSphere boundingSphere = default(BoundingSphere);
var w3dMeshes = w3dFile.GetMeshes();
var w3dHLod = w3dFile.GetHLod();
var subObjects = new List <ModelSubObject>();
if (w3dHLod != null)
{
foreach (var w3dSubObject in w3dHLod.Lods[0].SubObjects)
{
// TODO: Collision boxes
var w3dMesh = w3dMeshes.FirstOrDefault(x => x.Header.ContainerName + "." + x.Header.MeshName == w3dSubObject.Name);
if (w3dMesh == null)
{
continue;
}
var bone = boneHierarchy.Bones[(int)w3dSubObject.BoneIndex];
var mesh = new ModelMesh(w3dMesh, context);
//var meshBoundingSphere = mesh.BoundingSphere.Transform(bone.Transform);
//boundingSphere = (i == 0)
// ? meshBoundingSphere
// : BoundingSphere.CreateMerged(boundingSphere, meshBoundingSphere);
subObjects.Add(new ModelSubObject(w3dSubObject.Name, bone, mesh));
}
}
else if (w3dMeshes.Count > 0)
{
// Simple models can have only one mesh with no HLod chunk.
if (w3dMeshes.Count != 1)
{
throw new InvalidOperationException();
}
var w3dMesh = w3dMeshes[0];
var mesh = new ModelMesh(w3dMesh, context);
subObjects.Add(new ModelSubObject(
w3dMesh.Header.MeshName,
boneHierarchy.Bones[0],
mesh));
}
else
{
// TODO: Some .w3d files contain a single W3D_BOX.
}
return(new Model(
Path.GetFileNameWithoutExtension(w3dFile.FilePath),
boneHierarchy,
subObjects.ToArray()));
}