public static void Load(ImporterContext ctx)
{
// textures
if (ctx.GLTF.textures != null)
{
for (int i = 0; i < ctx.GLTF.textures.Count; ++i)
{
var item = new TextureItem(ctx.GLTF, i, ctx.TextureBaseDir);
ctx.AddTexture(item);
}
}
foreach (var x in ctx.GetTextures())
{
x.Process(ctx.GLTF, ctx.Storage);
}
// materials
if (ctx.MaterialImporter == null)
{
ctx.MaterialImporter = new MaterialImporter(new ShaderStore(ctx), ctx);
}
if (ctx.GLTF.materials == null || !ctx.GLTF.materials.Any())
{
// no material
ctx.AddMaterial(ctx.MaterialImporter.CreateMaterial(0, null));
}
else
{
for (int i = 0; i < ctx.GLTF.materials.Count; ++i)
{
var index = i;
var material = ctx.MaterialImporter.CreateMaterial(index, ctx.GLTF.materials[i]);
ctx.AddMaterial(material);
}
}
// meshes
if (ctx.GLTF.meshes
.SelectMany(x => x.primitives)
.Any(x => x.extensions.KHR_draco_mesh_compression != null))
{
throw new UniGLTFNotSupportedException("draco is not supported");
}
var meshImporter = new MeshImporter();
for (int i = 0; i < ctx.GLTF.meshes.Count; ++i)
{
var meshContext = meshImporter.ReadMesh(ctx, i);
var meshWithMaterials = BuildMesh(ctx, meshContext);
var mesh = meshWithMaterials.Mesh;
// mesh name
if (string.IsNullOrEmpty(mesh.name))
{
mesh.name = string.Format("UniGLTF import#{0}", i);
}
var originalName = mesh.name;
for (int j = 1; ctx.Meshes.Any(x => x.Mesh.name == mesh.name); ++j)
{
mesh.name = string.Format("{0}({1})", originalName, j);
}
ctx.Meshes.Add(meshWithMaterials);
}
// nodes
ctx.Nodes.AddRange(ctx.GLTF.nodes.Select(x => ImportNode(x).transform));
var nodes = ctx.Nodes.Select((x, i) => BuildHierarchy(ctx, i)).ToList();
gltfImporter.FixCoordinate(ctx, nodes);
// skinning
for (int i = 0; i < nodes.Count; ++i)
{
gltfImporter.SetupSkinning(ctx, nodes, i);
}
// connect root
ctx.Root = new GameObject("_root_");
foreach (var x in ctx.GLTF.rootnodes)
{
var t = nodes[x].Transform;
t.SetParent(ctx.Root.transform, false);
}
ImportAnimation(ctx);
//Debug.LogFormat("Import {0}", ctx.Path);
}