static void ExportVrm(IVrmExporter exporter, Model m)
{
if (m.Vrm == null)
{
return;
}
exporter.ExportVrmMeta(m.Vrm, m.Textures);
exporter.ExportVrmHumanoid(m.GetBoneMap(), m.Nodes);
exporter.ExportVrmMaterialProperties(m.Materials, m.Textures);
exporter.ExportVrmBlendShape(m.Vrm.BlendShape, m.MeshGroups, m.Materials);
exporter.ExportVrmSpringBone(m.Vrm.SpringBone, m.Nodes);
exporter.ExportVrmFirstPersonAndLookAt(m.Vrm.FirstPerson, m.Vrm.LookAt, m.MeshGroups, m.Nodes);
}
public static byte[] Export(this IVrmExporter exporter, Model m, ExportArgs option)
{
exporter.ExportAsset(m);
///
/// 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;
// image
foreach (var image in m.Images)
{
reserveBytes += image.Bytes.Count;
}
// mesh
foreach (var g in m.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;
}
}
}
}
exporter.Reserve(reserveBytes);
}
exporter.ExportImageAndTextures(m.Images, m.Textures);
// material
foreach (var src in m.Materials)
{
if (src is MToonMaterial mtoon)
{
exporter.ExportMaterialMToon(src, mtoon, m.Textures);
}
else if (src is UnlitMaterial unlit)
{
exporter.ExportMaterialUnlit(src, unlit, m.Textures);
}
else if (src is PBRMaterial pbr)
{
exporter.ExportMaterialPBR(src, pbr, m.Textures);
}
else
{
throw new NotImplementedException();
}
}
// mesh
exporter.ExportMeshes(m.MeshGroups, m.Materials, option);
// node
exporter.ExportNodes(m.Root, m.Nodes, m.MeshGroups, option);
// animation
exporter.ExportAnimations(m.Animations, m.Nodes, option);
if (option.vrm)
{
ExportVrm(exporter, m);
}
return(exporter.ToBytes());
}
