public bool GetLocationInfo(Vector3 p, LocationInfo info)
{
if (iModel == null)
{
return(false);
}
// M2 files don't contain area info, only WMO files
if (Convert.ToBoolean(flags & (uint)ModelFlags.M2))
{
return(false);
}
if (!iBound.contains(p))
{
return(false);
}
// child bounds are defined in object space:
Vector3 pModel = iInvRot * (p - iPos) * iInvScale;
Vector3 zDirModel = iInvRot * new Vector3(0.0f, 0.0f, -1.0f);
float zDist;
if (iModel.GetLocationInfo(pModel, zDirModel, out zDist, info))
{
Vector3 modelGround = pModel + zDist * zDirModel;
// Transform back to world space. Note that:
// Mat * vec == vec * Mat.transpose()
// and for rotation matrices: Mat.inverse() == Mat.transpose()
float world_Z = ((modelGround * iInvRot) * iScale + iPos).Z;
if (info.ground_Z < world_Z) // hm...could it be handled automatically with zDist at intersection?
{
info.ground_Z = world_Z;
info.hitInstance = this;
return(true);
}
}
return(false);
}
