static IEnumerable <glTFMaterial> ExportMaterials(Model model, ITextureExporter textureExporter, GltfExportSettings settings)
{
var materialExporter = new Vrm10MaterialExporter();
foreach (Material material in model.Materials)
{
yield return(materialExporter.ExportMaterial(material, textureExporter, settings));
}
}
public void Export(GameObject root, Model model, ModelExporter converter, ExportArgs option, gltfExporter.GetBytesWithMimeFromTexture2D getTextureBytes, VRM10MetaObject metaObject = null)
{
ExportAsset(model);
///
/// 必要な容量を先に確保
/// (sparseは考慮してないので大きめ)
///
{
var reserveBytes = 0;
// mesh
foreach (var g in model.MeshGroups)
{
foreach (var mesh in g.Meshes)
{
// 頂点バッファ
reserveBytes += mesh.IndexBuffer.ByteLength;
foreach (var kv in mesh.VertexBuffer)
{
reserveBytes += kv.Value.ByteLength;
}
// morph
foreach (var morph in mesh.MorphTargets)
{
foreach (var kv in morph.VertexBuffer)
{
reserveBytes += kv.Value.ByteLength;
}
}
}
}
Reserve(reserveBytes);
}
// material
var materialExporter = new Vrm10MaterialExporter();
foreach (Material material in model.Materials)
{
var glTFMaterial = materialExporter.ExportMaterial(material, m_textureExporter);
Storage.Gltf.materials.Add(glTFMaterial);
}
// mesh
ExportMeshes(model.MeshGroups, model.Materials, option);
// node
ExportNodes(model.Root, model.Nodes, model.MeshGroups, option);
var(vrm, vrmSpringBone, thumbnailTextureIndex) = ExportVrm(root, model, converter, metaObject);
// Extension で Texture が増える場合があるので最後に呼ぶ
for (int i = 0; i < m_textureExporter.Exported.Count; ++i)
{
var(unityTexture, texColorSpace) = m_textureExporter.Exported[i];
Storage.Gltf.PushGltfTexture(0, unityTexture, texColorSpace, getTextureBytes);
}
if (thumbnailTextureIndex.HasValue)
{
vrm.Meta.ThumbnailImage = Storage.Gltf.textures[thumbnailTextureIndex.Value].source;
}
UniGLTF.Extensions.VRMC_vrm.GltfSerializer.SerializeTo(ref Storage.Gltf.extensions, vrm);
if (vrmSpringBone != null)
{
UniGLTF.Extensions.VRMC_springBone.GltfSerializer.SerializeTo(ref Storage.Gltf.extensions, vrmSpringBone);
}
}