public SceneGeometryInfo LoadData(string fileName) {
sceneMats = new Dictionary<string, MaterialInfo>();
textures = new Dictionary<string, ImageTextureInfo>();
COLLADA model = COLLADA.Load(fileName);
var result = new SceneGeometryInfo();
var sceneVerts = new List<Point>();
var meshes = new Dictionary<string, GeometryInfo>();
var sceneNormals = new List<Vector>();
var sceneTexData = new List<Vector>();
var cams = new List<CameraInfo>();
foreach (var item in model.Items) {
if (item is library_materials) {
var materials = item as library_materials;
foreach (var material in materials.material) {
}
}
if (item is library_cameras) {
var cameras = item as library_cameras;
foreach (var camera in cameras.camera) {
if (camera.optics.technique.Length > 0) {
var t = camera.optics.technique[0];
}
var camItem = new CameraInfo() { CameraName = camera.id.Replace("-lib", string.Empty) };
cams.Add(camItem);
}
}
var geometries = item as library_geometries;
if (geometries == null)
continue;
// Iterate on geomerty in library_geometries
foreach (var geom in geometries.geometry) {
var meshInfo = geom.Item as mesh;
if (meshInfo == null)
continue;
var mesh = new GeometryInfo() { Name = geom.name.Replace("Mesh", string.Empty) };
meshes.Add(mesh.Name, mesh);
// Dump source[] for geom
foreach (var source in meshInfo.source) {
var float_array = source.Item as float_array;
if (float_array == null)
continue;
if (source.id.Contains("Position")) {
sceneVerts.AddRange(float_array.Values.ToPointList());
mesh.VertexData = new FloatStore(float_array.Values.ToFloatArray());
}
else if (source.id.Contains("Normal")) {
sceneNormals.AddRange(float_array.Values.ToVectorList());
mesh.NormalData = new FloatStore(float_array.Values.ToFloatArray());
}
else if (source.id.Contains("UV")) {
sceneTexData.AddRange(float_array.Values.ToVectorList());
mesh.TextureData = new FloatStore(float_array.Values.ToFloatArray());
}
else {
Console.WriteLine("Geometry {0} Unknown source {1} : ", geom.id, source.id);
}
Console.Write("Geometry {0} source {1} : ", geom.id, source.id);
/*
foreach (var mesh_source_value in float_array.Values)
Console.Write("{0} ", mesh_source_value);
*/
Console.WriteLine();
}
// Dump Items[] for geom
foreach (var meshItem in meshInfo.Items) {
if (meshItem is vertices) {
var vertices = meshItem as vertices;
var inputs = vertices.input;
foreach (var input in inputs)
Console.WriteLine("\t Semantic {0} Source {1}", input.semantic, input.source);
}
else if (meshItem is triangles) {
var triangles = meshItem as triangles;
var inputs = triangles.input;
foreach (var input in inputs)
Console.WriteLine("\t Semantic {0} Source {1} Offset {2}", input.semantic, input.source,
input.offset);
Console.WriteLine("\t Indices {0}", triangles.p);
}
else if (meshItem is polygons) {
var polygons = meshItem as polygons;
var inputs = polygons.input;
foreach (var input in inputs)
Console.WriteLine("\t Semantic {0} Source {1} Offset {2}", input.semantic, input.source,
input.offset);
var indexes = polygons.Items.SelectMany(u => u.ToString().Split(' ')).Select(ix => int.Parse(ix, CultureInfo.InvariantCulture)).ToArray();
mesh.IndexData = new IntStore(indexes.Where((x, i) => i % 3 == 0));
mesh.NormalIndexData = new IntStore(indexes.Where((x, i) => (i + 1) % 3 == 0));
mesh.TextureIndexData = new IntStore(indexes.Where((x, i) => (i + 2) % 3 == 0));
Console.WriteLine("\t Indices {0}", indexes.ToArray());
}
}
}
}
foreach (var node in model.Items.OfType<library_visual_scenes>().SelectMany(sceneNode => sceneNode.visual_scene.SelectMany(it => it.node))) {
if (node.instance_camera != null && node.instance_camera.Length > 0) {
var cam = cams.FirstOrDefault(m => m.CameraName.Equals(node.id));
if (cam != null) {
cam.PosTransform = new Matrix4x4(((matrix)node.Items[0]).Values);
cam.Position = new Point(cam.PosTransform[3], cam.PosTransform[7], cam.PosTransform[11]);
cam.Up = new Vector(0, 0, -1f);
Console.WriteLine("Camera {0} initialized", cam.CameraName);
}
continue;
}
if (cams.Any(cam => node.id.Contains(cam.CameraName))) {
var cam = cams.FirstOrDefault(cm => node.id.Contains(cm.CameraName));
if (cam != null) {
cam.DirTransform = new Matrix4x4(((matrix)node.Items[0]).Values);
cam.Direction = new Vector(cam.DirTransform[3], cam.DirTransform[7], cam.DirTransform[11]);
Console.WriteLine("Camera {0} initialized", cam.CameraName);
}
continue;
}
if (node.instance_geometry != null && node.instance_geometry.Length > 0) {
var mesh = meshes[node.id];
if (mesh != null) {
var instanceMaterials = node.instance_geometry[0].bind_material;
if (instanceMaterials != null)
mesh.MaterialName = instanceMaterials.technique_common[0].symbol;
mesh.Transform = new Matrix4x4(((matrix)node.Items[0]).Values);
Console.WriteLine(mesh);
}
}
}
result.Geometry = meshes.Values.ToArray();
result.Vertices = sceneVerts.ToArray();
result.Normals = sceneNormals.ToArray();
result.TexCoords = sceneTexData.ToArray();
result.Cameras = cams.ToArray();
return result;
}
public CameraNode(Transform o2w, Transform w2o, CameraInfo camera) : base(o2w, w2o) {
this.camera = camera;
}