/// <summary>
/// Export a Valve VWNOD to GLTF.
/// </summary>
/// <param name="resourceName">The name of the resource being exported.</param>
/// <param name="fileName">Target file name.</param>
/// <param name="worldNode">The worldNode resource to export.</param>
public void ExportToFile(string resourceName, string fileName, VWorldNode worldNode)
{
if (FileLoader == null)
{
throw new InvalidOperationException(nameof(FileLoader) + " must be set first.");
}
DstDir = Path.GetDirectoryName(fileName);
var exportedModel = CreateModelRoot(resourceName, out var scene);
var worldNodeModels = LoadWorldNodeModels(worldNode);
foreach (var(Model, Name, Transform) in worldNodeModels)
{
var meshes = LoadModelMeshes(Model, Name);
for (var i = 0; i < meshes.Length; i++)
{
var node = AddMeshNode(exportedModel, scene, Model,
meshes[i].Name, meshes[i].Mesh, Model.GetSkeleton(i));
if (node == null)
{
continue;
}
// Swap Rotate upright, scale inches to meters, after local transform.
node.WorldMatrix = Transform * TRANSFORMSOURCETOGLTF;
}
}
WriteModelFile(exportedModel, fileName);
}
private IList <(VModel Model, string ModelName, Matrix4x4 Transform)> LoadWorldNodeModels(VWorldNode worldNode)
{
var sceneObjects = worldNode.Data.GetArray("m_sceneObjects");
var models = new List <(VModel, string, Matrix4x4)>();
foreach (var sceneObject in sceneObjects)
{
var renderableModel = sceneObject.GetProperty <string>("m_renderableModel");
if (renderableModel == null)
{
continue;
}
var modelResource = FileLoader.LoadFile(renderableModel + "_c");
if (modelResource == null)
{
continue;
}
var model = (VModel)modelResource.DataBlock;
var matrix = sceneObject.GetArray("m_vTransform").ToMatrix4x4();
models.Add((model, Path.GetFileNameWithoutExtension(renderableModel), matrix));
}
return(models);
}
