C++ BaseObject::SetBit方法代码示例

//.........这里部分代码省略.........
        for (auto jt=objects.Begin(); jt != end; ++jt)
        {
          if (*it == *jt) continue;
          if (list.HasConnection(*it, *jt)) continue;

          Connection conn(*it, *jt);
          if (!nearest || conn.delta < delta)
          {
            nearest = *jt;
            delta = conn.delta;
          }
        }

        if (nearest)
          list.Append(Connection(*it, nearest));
      }
      break;
    }
    case CMB_MODE_CHAIN:
    {
      options.radius = 0;
      options.maxConnections = 0;
      const auto first = objects.Begin();
      for (auto it=objects.Begin(); it != objects.End(); ++it)
      {
        Bool isLast = (it + 1) == objects.End();
        if (isLast && (options.closedChain && *it != *first))
        {
          Connection conn(*it, *first);
          list.Append(conn);
        }
        else if (!isLast)
        {
          Connection conn(*it, *(it + 1));
          list.Append(conn);
        }
      }
      break;
    }
    default:
      GeDebugOut(String(__FUNCTION__) + ": Invalid connectMode");
      return false;
  }

  // Sort the list by distance.
  list.SortByDelta();

  // This map contains the number of connections each
  // object already has to make sure no object exceeds the
  // maximum number if connections.
  maxon::Bool created = false;
  maxon::HashMap<C4DAtom*, Int32> map;

  // Iterate over all connections and establish them.
  const auto end = list.End();
  for (auto it=list.Begin(); it != end; ++it)
  {
    if (options.radius > 0.000001 && it->delta > options.radius)
      continue;

    // Find and eventually initialize the entries in the map.
    auto entry1 = map.FindOrCreateEntry(it->obj1, created);
    if (created) entry1->GetValue() = 0;
    auto entry2 = map.FindOrCreateEntry(it->obj2, created);
    if (created) entry2->GetValue() = 0;

    // Determine if the maximum number of connections is reached.
    const Int32 nConn1 = entry1->GetValue();
    const Int32 nConn2 = entry2->GetValue();
    if (options.maxConnections > 0 &&
        (nConn1 >= options.maxConnections || nConn2 >= options.maxConnections))
      continue;

    // Create the force object.
    BaseObject* force = BaseObject::Alloc(options.forcePluginId);
    if (!force)
    {
      success = false;
      break;
    }

    // Update the parameters.
    force->SetParameter(FORCE_TYPE, options.forceType, DESCFLAGS_SET_0);
    force->SetParameter(FORCE_OBJECT_A, it->obj1, DESCFLAGS_SET_0);
    force->SetParameter(FORCE_OBJECT_B, it->obj2, DESCFLAGS_SET_0);
    force->SetBit(BIT_ACTIVE);
    force->SetName(prefix + it->obj1->GetName() + " - " + it->obj2->GetName());
    ++entry1->GetValue();
    ++entry2->GetValue();

    options.output.Append(force);

    // Position the force object in between the two objects.
    Matrix mg;
    mg.off = (it->obj1->GetMg().off + it->obj2->GetMg().off) * 0.5;
    force->SetMl(mg);
  }

  return true;
}