private void ExportMeshBinding(Model model, string skelRef, MeshBinding meshBinding, List <geometry> geometries, List <controller> controllers, List <node> geomNodes)
{
var exporter = new ColladaMeshExporter(meshBinding.Mesh, Options);
var mesh = exporter.Export();
var geom = new geometry();
geom.id = meshBinding.Mesh.Name + "-geom";
geom.name = meshBinding.Mesh.Name;
geom.Item = mesh;
geometries.Add(geom);
bool hasSkin = skelRef != null && meshBinding.Mesh.IsSkinned();
skin skin = null;
controller ctrl = null;
if (hasSkin)
{
var boneNames = new Dictionary <string, Bone>();
foreach (var bone in model.Skeleton.Bones)
{
boneNames.Add(bone.Name, bone);
}
skin = ExportSkin(meshBinding.Mesh, model.Skeleton.Bones, boneNames, geom.id);
ctrl = new controller();
ctrl.id = meshBinding.Mesh.Name + "-skin";
ctrl.name = meshBinding.Mesh.Name + "_Skin";
ctrl.Item = skin;
controllers.Add(ctrl);
}
var geomNode = new node();
geomNode.id = geom.name + "-node";
geomNode.name = geom.name;
geomNode.type = NodeType.NODE;
if (hasSkin)
{
var controllerInstance = new instance_controller();
controllerInstance.url = "#" + ctrl.id;
controllerInstance.skeleton = new string[] { "#" + skelRef };
geomNode.instance_controller = new instance_controller[] { controllerInstance };
}
else
{
var geomInstance = new instance_geometry();
geomInstance.url = "#" + geom.id;
geomNode.instance_geometry = new instance_geometry[] { geomInstance };
}
geomNodes.Add(geomNode);
}
private Model MakeDummyModel(Model original)
{
var newModel = new Model();
newModel.InitialPlacement = original.InitialPlacement;
newModel.Name = original.Name;
if (original.Skeleton != null)
{
var skeleton = Root.Skeletons.Where(skel => skel.Name == original.Skeleton.Name).FirstOrDefault();
if (skeleton == null)
{
string msg = String.Format("Model '{0}' references skeleton '{0}' that does not exist in the source file.", original.Name, original.Skeleton.Name);
throw new ExportException(msg);
}
newModel.Skeleton = skeleton;
}
if (original.MeshBindings != null)
{
newModel.MeshBindings = new List <MeshBinding>();
foreach (var meshBinding in original.MeshBindings)
{
// Try to bind the original mesh, if it exists in the source file.
// If it doesn't, generate a dummy mesh with 0 vertices
var mesh = Root.Meshes.Where(m => m.Name == meshBinding.Mesh.Name).FirstOrDefault();
if (mesh == null)
{
mesh = GenerateDummyMesh(meshBinding);
Root.Meshes.Add(mesh);
}
var binding = new MeshBinding();
binding.Mesh = mesh;
newModel.MeshBindings.Add(binding);
}
}
Root.Models.Add(newModel);
return(newModel);
}
private Mesh GenerateDummyMesh(MeshBinding meshBinding)
{
var vertexData = new VertexData();
vertexData.VertexComponentNames = meshBinding.Mesh.PrimaryVertexData.VertexComponentNames
.Select(name => new GrannyString(name.String)).ToList();
vertexData.Vertices = new List <Vertex>();
var dummyVertex = meshBinding.Mesh.VertexFormat.CreateInstance();
vertexData.Vertices.Add(dummyVertex);
Root.VertexDatas.Add(vertexData);
var topology = new TriTopology();
topology.Groups = new List <TriTopologyGroup>();
var group = new TriTopologyGroup();
group.MaterialIndex = 0;
group.TriCount = 0;
group.TriFirst = 0;
topology.Groups.Add(group);
topology.Indices = new List <int>();
Root.TriTopologies.Add(topology);
var mesh = new Mesh();
mesh.Name = meshBinding.Mesh.Name;
mesh.VertexFormat = meshBinding.Mesh.VertexFormat;
mesh.PrimaryTopology = topology;
mesh.PrimaryVertexData = vertexData;
if (meshBinding.Mesh.BoneBindings != null)
{
mesh.BoneBindings = new List <BoneBinding>();
ConformMeshBoneBindings(mesh, meshBinding.Mesh);
}
return(mesh);
}
public Root Import(string inputPath)
{
var collada = COLLADA.Load(inputPath);
var root = new Root();
root.ArtToolInfo = ImportArtToolInfo(collada);
if (!Options.StripMetadata)
{
root.ExporterInfo = ImportExporterInfo(collada);
}
root.FromFileName = inputPath;
root.Skeletons = new List <Skeleton>();
root.VertexDatas = new List <VertexData>();
root.TriTopologies = new List <TriTopology>();
root.Meshes = new List <Mesh>();
root.Models = new List <Model>();
root.TrackGroups = new List <TrackGroup>();
root.Animations = new List <Animation>();
ColladaGeometries = new Dictionary <string, Mesh>();
SkinnedMeshes = new HashSet <string>();
var collGeometries = new List <geometry>();
var collSkins = new List <skin>();
var collAnimations = new List <animation>();
var rootBones = new List <RootBoneInfo>();
// Import skinning controllers after skeleton and geometry loading has finished, as
// we reference both of them during skin import
foreach (var item in collada.Items)
{
if (item is library_controllers)
{
var controllers = item as library_controllers;
if (controllers.controller != null)
{
foreach (var controller in controllers.controller)
{
if (controller.Item is skin)
{
collSkins.Add(controller.Item as skin);
SkinnedMeshes.Add((controller.Item as skin).source1.Substring(1));
}
else
{
Utils.Warn(String.Format("Controller {0} is unsupported and will be ignored", controller.Item.GetType().Name));
}
}
}
}
else if (item is library_visual_scenes)
{
var scenes = item as library_visual_scenes;
if (scenes.visual_scene != null)
{
foreach (var scene in scenes.visual_scene)
{
if (scene.node != null)
{
foreach (var node in scene.node)
{
FindRootBones(new List <node>(), node, rootBones);
}
}
}
}
}
else if (item is library_geometries)
{
var geometries = item as library_geometries;
if (geometries.geometry != null)
{
foreach (var geometry in geometries.geometry)
{
if (geometry.Item is mesh)
{
collGeometries.Add(geometry);
}
else
{
Utils.Warn(String.Format("Geometry type {0} is unsupported and will be ignored", geometry.Item.GetType().Name));
}
}
}
}
else if (item is library_animations)
{
var animations = item as library_animations;
if (animations.animation != null)
{
collAnimations.AddRange(animations.animation);
}
}
else
{
Utils.Warn(String.Format("Library {0} is unsupported and will be ignored", item.GetType().Name));
}
}
foreach (var bone in rootBones)
{
var skeleton = Skeleton.FromCollada(bone.Bone);
var rootTransform = NodeHelpers.GetTransformHierarchy(bone.Parents);
skeleton.TransformRoots(rootTransform.Inverted());
root.Skeletons.Add(skeleton);
}
foreach (var geometry in collGeometries)
{
VertexDescriptor vertexFormat = null;
// Use the override vertex format, if one was specified
Options.VertexFormats.TryGetValue(geometry.name, out vertexFormat);
var mesh = ImportMesh(root, geometry.name, geometry, geometry.Item as mesh, vertexFormat);
ColladaGeometries.Add(geometry.id, mesh);
}
// Import skinning controllers after skeleton and geometry loading has finished, as
// we reference both of them during skin import
if (rootBones.Count > 0)
{
foreach (var skin in collSkins)
{
ImportSkin(root, skin);
}
}
if (collAnimations.Count > 0)
{
ImportAnimations(collAnimations, root, root.Skeletons.FirstOrDefault());
}
var rootModel = new Model();
rootModel.Name = "Unnamed"; // TODO
if (root.Skeletons.Count > 0)
{
rootModel.Skeleton = root.Skeletons[0];
rootModel.Name = rootModel.Skeleton.Bones[0].Name;
}
rootModel.InitialPlacement = new Transform();
rootModel.MeshBindings = new List <MeshBinding>();
foreach (var mesh in root.Meshes)
{
var binding = new MeshBinding();
binding.Mesh = mesh;
rootModel.MeshBindings.Add(binding);
}
root.Models.Add(rootModel);
// TODO: make this an option!
if (root.Skeletons.Count > 0)
{
root.Skeletons[0].UpdateWorldTransforms();
}
root.ZUp = ZUp;
root.PostLoad(GR2.Header.DefaultTag);
this.UpdateUserDefinedProperties(root);
return(root);
}
public void ImportFromCollada(string inputPath)
{
var collada = COLLADA.Load(inputPath);
ImportArtToolInfo(collada);
ImportExporterInfo(collada);
FromFileName = inputPath;
Skeletons = new List <Skeleton>();
VertexDatas = new List <VertexData>();
TriTopologies = new List <TriTopology>();
Meshes = new List <Mesh>();
Models = new List <Model>();
TrackGroups = new List <TrackGroup>();
Animations = new List <Animation>();
ColladaGeometries = new Dictionary <string, Mesh>();
SkinnedMeshes = new HashSet <string>();
var collGeometries = new List <geometry>();
var collSkins = new List <skin>();
var collAnimations = new List <animation>();
var rootBones = new List <node>();
// Import skinning controllers after skeleton and geometry loading has finished, as
// we reference both of them during skin import
foreach (var item in collada.Items)
{
if (item is library_controllers)
{
var controllers = item as library_controllers;
if (controllers.controller != null)
{
foreach (var controller in controllers.controller)
{
if (controller.Item is skin)
{
collSkins.Add(controller.Item as skin);
SkinnedMeshes.Add((controller.Item as skin).source1.Substring(1));
}
else
{
Utils.Warn(String.Format("Controller {0} is unsupported and will be ignored", controller.Item.GetType().Name));
}
}
}
}
else if (item is library_visual_scenes)
{
var scenes = item as library_visual_scenes;
if (scenes.visual_scene != null)
{
foreach (var scene in scenes.visual_scene)
{
foreach (var node in scene.node)
{
FindRootBones(null, node, rootBones);
}
}
}
}
else if (item is library_geometries)
{
var geometries = item as library_geometries;
if (geometries.geometry != null)
{
foreach (var geometry in geometries.geometry)
{
if (geometry.Item is mesh)
{
collGeometries.Add(geometry);
}
else
{
Utils.Warn(String.Format("Geometry type {0} is unsupported and will be ignored", geometry.Item.GetType().Name));
}
}
}
}
else if (item is library_animations)
{
var animations = item as library_animations;
if (animations.animation != null)
{
collAnimations.AddRange(animations.animation);
}
}
else
{
Utils.Warn(String.Format("Library {0} is unsupported and will be ignored", item.GetType().Name));
}
}
foreach (var bone in rootBones)
{
var skeleton = Skeleton.FromCollada(bone);
Skeletons.Add(skeleton);
}
foreach (var geometry in collGeometries)
{
var mesh = ImportMesh(geometry.name, geometry.Item as mesh, FindVertexFormat(geometry));
ColladaGeometries.Add(geometry.id, mesh);
}
// Import skinning controllers after skeleton and geometry loading has finished, as
// we reference both of them during skin import
foreach (var skin in collSkins)
{
ImportSkin(skin);
}
if (collAnimations.Count > 0)
{
ImportAnimations(collAnimations);
}
var rootModel = new Model();
rootModel.Name = "Unnamed"; // TODO
if (Skeletons.Count > 0)
{
rootModel.Skeleton = Skeletons[0];
rootModel.Name = rootModel.Skeleton.Bones[0].Name;
}
rootModel.InitialPlacement = new Transform();
rootModel.MeshBindings = new List <MeshBinding>();
foreach (var mesh in Meshes)
{
var binding = new MeshBinding();
binding.Mesh = mesh;
rootModel.MeshBindings.Add(binding);
}
Models.Add(rootModel);
// TODO: make this an option!
if (Skeletons.Count > 0)
{
Skeletons[0].UpdateInverseWorldTransforms();
}
PostLoad();
}
private Model MakeDummyModel(Model original)
{
var newModel = new Model();
newModel.InitialPlacement = original.InitialPlacement;
newModel.Name = original.Name;
if (original.Skeleton != null)
{
var skeleton = Root.Skeletons.Where(skel => skel.Name == original.Skeleton.Name).FirstOrDefault();
if (skeleton == null)
{
string msg = String.Format("Model '{0}' references skeleton '{0}' that does not exist in the source file.", original.Name, original.Skeleton.Name);
throw new ExportException(msg);
}
newModel.Skeleton = skeleton;
}
if (original.MeshBindings != null)
{
newModel.MeshBindings = new List<MeshBinding>();
foreach (var meshBinding in original.MeshBindings)
{
// Try to bind the original mesh, if it exists in the source file.
// If it doesn't, generate a dummy mesh with 0 vertices
var mesh = Root.Meshes.Where(m => m.Name == meshBinding.Mesh.Name).FirstOrDefault();
if (mesh == null)
{
mesh = GenerateDummyMesh(meshBinding);
Root.Meshes.Add(mesh);
}
var binding = new MeshBinding();
binding.Mesh = mesh;
newModel.MeshBindings.Add(binding);
}
}
Root.Models.Add(newModel);
return newModel;
}
private Mesh GenerateDummyMesh(MeshBinding meshBinding)
{
var vertexData = new VertexData();
vertexData.VertexComponentNames = meshBinding.Mesh.PrimaryVertexData.VertexComponentNames
.Select(name => new GrannyString(name.String)).ToList();
vertexData.Vertices = new List<Vertex>();
var dummyVertex = Helpers.CreateInstance(meshBinding.Mesh.VertexFormat) as Vertex;
vertexData.Vertices.Add(dummyVertex);
Root.VertexDatas.Add(vertexData);
var topology = new TriTopology();
topology.Groups = new List<TriTopologyGroup>();
var group = new TriTopologyGroup();
group.MaterialIndex = 0;
group.TriCount = 0;
group.TriFirst = 0;
topology.Groups.Add(group);
topology.Indices = new List<int>();
Root.TriTopologies.Add(topology);
var mesh = new Mesh();
mesh.Name = meshBinding.Mesh.Name;
mesh.VertexFormat = meshBinding.Mesh.VertexFormat;
mesh.PrimaryTopology = topology;
mesh.PrimaryVertexData = vertexData;
if (meshBinding.Mesh.BoneBindings != null)
{
mesh.BoneBindings = new List<BoneBinding>();
ConformMeshBoneBindings(mesh, meshBinding.Mesh);
}
return mesh;
}
