// If geometry does not contain normals, colors, and/or uvs, dummy values
// will be added.
public ExportMesh(GeometryPool pool)
{
m_pool = pool;
FbxUtils.ApplyFbxTexcoordHack(m_pool);
m_linearColor = ExportUtils.ConvertToLinearColorspace(m_pool.m_Colors);
var layout = m_pool.Layout;
var numVerts = m_pool.m_Vertices.Count;
// TODO: all this padding code seems super bogus; try to remove.
if (!layout.bUseNormals)
{
var lst = m_pool.m_Normals;
lst.SetCount(numVerts);
for (int i = 0; i < numVerts; ++i)
{
lst[i] = Vector3.up;
}
}
if (!layout.bUseColors)
{
var lst = m_linearColor;
lst.SetCount(numVerts);
for (int i = 0; i < numVerts; ++i)
{
lst[i] = Color.white;
}
}
}
// Unused and untested
#if false
/// Converts the existing payload to the new color space and vector basis.
/// Note that scale is never converted and only gamma -> linear is currently supported.
public static void ConvertPayload(ColorSpace newColorSpace,
Vector3[] newVectorBasis,
SceneStatePayload payload)
{
// We don't handle uninitialized color spaces or linear -> srgb conversions.
// This is just not currently part of the export logic, so it's not implemented here.
if (newColorSpace == ColorSpace.Uninitialized ||
payload.colorSpace == ColorSpace.Uninitialized ||
(payload.colorSpace == ColorSpace.Linear && newColorSpace == ColorSpace.Gamma))
{
throw new NotImplementedException();
}
if (newColorSpace != payload.colorSpace)
{
ExportUtils.ConvertToLinearColorspace(payload.env);
ExportUtils.ConvertToLinearColorspace(payload.lights);
foreach (var group in payload.groups)
{
ExportUtils.ConvertToLinearColorspace(group.brushMeshes);
}
ExportUtils.ConvertToLinearColorspace(payload.modelMeshes);
}
if (newVectorBasis[0] != payload.vectorBasis[0] ||
newVectorBasis[1] != payload.vectorBasis[1] ||
newVectorBasis[2] != payload.vectorBasis[2])
{
// Never apply a scale change when changing basis.
Matrix4x4 basis = ExportUtils.GetBasisMatrix(payload);
foreach (var group in payload.groups)
{
ExportUtils.ChangeBasis(group.brushMeshes, basis);
}
ExportUtils.ChangeBasis(payload.modelMeshes, basis);
ExportUtils.ChangeBasis(payload.referenceImages, basis);
ExportUtils.ChangeBasis(payload.referenceModels, basis);
}
payload.colorSpace = newColorSpace;
payload.vectorBasis = newVectorBasis;
}
