public uint Add(Decal decal)
{
if (decal == null)
{
throw new ArgumentNullException("decal");
}
var pointer = UnsafeNativeMethods.Rdk_DecalCreateParams_New();
var origin = decal.Origin;
var up_vector = decal.VectorUp;
var across_vector = decal.VectorAcross;
UnsafeNativeMethods.Rdk_DecalCreateParams_SetFrame(pointer, ref origin, ref up_vector, ref across_vector);
UnsafeNativeMethods.Rdk_DecalCreateParams_SetMap(pointer, decal.TextureInstanceId, (int)decal.DecalMapping, (int)decal.DecalProjection, decal.MapToInside, decal.Transparency);
UnsafeNativeMethods.Rdk_DecalCreateParams_SetCylindricalAndSpherical(pointer, decal.Height, decal.Radius, decal.StartLatitude, decal.EndLatitude, decal.StartLongitude, decal.EndLongitude);
double minu = 0.0, maxu = 0.0, minv = 0.0, maxv = 0.0;
decal.UVBounds(ref minu, ref minv, ref maxu, ref maxv);
UnsafeNativeMethods.Rdk_DecalCreateParams_SetUV(pointer, minu, minv, maxu, maxv);
var non_const_pointer = m_parent_attributes.NonConstPointer();
var success = UnsafeNativeMethods.Rdk_Decals_AddDecal(pointer, non_const_pointer);
UnsafeNativeMethods.Rdk_DecalCreateParams_Delete(pointer);
// TODO
// Eventually this class will be derived from IList<Decal> which requires
// a "int Add(T)" method so return the index of the new decal instead of
// the Id.
return(success);
}
internal DecalEnumerator(ObjectAttributes attributes)
{
var pointer = attributes.NonConstPointer();
m_decal_iterator = UnsafeNativeMethods.Rdk_Decals_NewDecalIteratorForObjectAttributes(pointer);
}