public override bool Execute(List<string> args)
{
if (args.Count != 1)
return false;
var builder = new RenderModelBuilder(_info.Version);
// Add a root node
var node = builder.AddNode(new RenderModel.Node
{
Name = _stringIds.GetStringId("street_cone"),
ParentNode = -1,
FirstChildNode = -1,
NextSiblingNode = -1,
DefaultRotation = new Vector4(0, 0, 0, -1),
DefaultScale = 1,
InverseForward = new Vector3(1, 0, 0),
InverseLeft = new Vector3(0, 1, 0),
InverseUp = new Vector3(0, 0, 1),
});
// Begin building the default region and permutation
builder.BeginRegion(_stringIds.GetStringId("default"));
builder.BeginPermutation(_stringIds.GetStringId("default"));
using (var importer = new AssimpContext())
{
Scene model;
using (var logStream = new LogStream((msg, userData) => Console.WriteLine(msg)))
{
logStream.Attach();
model = importer.ImportFile(args[0],
PostProcessSteps.CalculateTangentSpace |
PostProcessSteps.GenerateNormals |
PostProcessSteps.JoinIdenticalVertices |
PostProcessSteps.SortByPrimitiveType |
PostProcessSteps.PreTransformVertices |
PostProcessSteps.Triangulate);
logStream.Detach();
}
Console.WriteLine("Assembling vertices...");
// Build a multipart mesh from the model data,
// with each model mesh mapping to a part of one large mesh and having its own material
builder.BeginMesh();
ushort partStartVertex = 0;
ushort partStartIndex = 0;
var vertices = new List<RigidVertex>();
var indices = new List<ushort>();
foreach (var mesh in model.Meshes)
{
for (var i = 0; i < mesh.VertexCount; i++)
{
var position = mesh.Vertices[i];
var normal = mesh.Normals[i];
var uv = mesh.TextureCoordinateChannels[0][i];
var tangent = mesh.Tangents[i];
var bitangent = mesh.BiTangents[i];
vertices.Add(new RigidVertex
{
Position = new Vector4(position.X, position.Y, position.Z, 1),
Normal = new Vector3(normal.X, normal.Y, normal.Z),
Texcoord = new Vector2(uv.X, uv.Y),
Tangent = new Vector4(tangent.X, tangent.Y, tangent.Z, 1),
Binormal = new Vector3(bitangent.X, bitangent.Y, bitangent.Z),
});
}
// Build the index buffer
var meshIndices = mesh.GetIndices();
indices.AddRange(meshIndices.Select(i => (ushort)(i + partStartVertex)));
// Define a material and part for this mesh
var material = builder.AddMaterial(new RenderMaterial
{
RenderMethod = _cache.Tags[0x101F],
});
builder.DefinePart(material, partStartIndex, (ushort)meshIndices.Length, (ushort)mesh.VertexCount);
// Move to the next part
partStartVertex += (ushort)mesh.VertexCount;
partStartIndex += (ushort)meshIndices.Length;
}
// Bind the vertex and index buffers
builder.BindRigidVertexBuffer(vertices, node);
builder.BindIndexBuffer(indices, PrimitiveType.TriangleList);
builder.EndMesh();
}
builder.EndPermutation();
builder.EndRegion();
Console.WriteLine("Building Blam mesh data...");
var resourceStream = new MemoryStream();
var renderModel = builder.Build(_info.Serializer, resourceStream);
Console.WriteLine("Writing resource data...");
// Add a new resource for the model data
var resources = new ResourceDataManager();
resources.LoadCachesFromDirectory(_fileInfo.DirectoryName);
resourceStream.Position = 0;
resources.Add(renderModel.Geometry.Resource, ResourceLocation.Resources, resourceStream);
Console.WriteLine("Writing tag data...");
using (var cacheStream = _fileInfo.Open(FileMode.Open, FileAccess.ReadWrite))
{
var tag = _cache.Tags[0x3317];
var context = new TagSerializationContext(cacheStream, _cache, _stringIds, tag);
_info.Serializer.Serialize(context, renderModel);
}
Console.WriteLine("Model imported successfully!");
return true;
}
