Method swing

source/frontend/StarWireInterface.cpp:201–323

}

WireConnector::SwingResult WirePane::swing(WorldGeometry const& geometry, Vec2F pos, FireMode mode) {
  pos = geometry.xwrap(pos);

  if (m_worldClient->isTileProtected((Vec2I)pos)) {
    m_connecting = false;
    return Protected;
  }

  RectF bounds = {pos - Vec2F(16, 16), pos + Vec2F(16, 16)};

  if (mode == FireMode::Primary) {
    Maybe<WireConnection> matchNode;
    WireDirection matchDirection = WireDirection::Output;
    float bestDist = 10000;
    for (auto entity : m_worldClient->query<WireEntity>(bounds)) {
      for (size_t i = 0; i < entity->nodeCount(WireDirection::Input); ++i) {
        RectF inbounds = RectF::withSize(centerOfTile(entity->tilePosition() + entity->nodePosition({WireDirection::Input, i})) - (m_nodeSize / 2.0f), m_nodeSize);
        if (geometry.rectContains(inbounds, pos)) {
          if (!matchNode) {
            matchNode = WireConnection{entity->tilePosition(), i};
            matchDirection = WireDirection::Input;
            bestDist = geometry.diff(centerOfTile(entity->tilePosition() + entity->nodePosition({WireDirection::Input, i})), pos).magnitudeSquared();
          } else {
            float thisDist = geometry.diff(centerOfTile(entity->tilePosition() + entity->nodePosition({WireDirection::Input, i})), pos).magnitudeSquared();
            if (thisDist < bestDist) {
              matchNode = WireConnection{entity->tilePosition(), i};
              matchDirection = WireDirection::Input;
              bestDist = thisDist;
            }
          }
        }
      }

      for (size_t i = 0; i < entity->nodeCount(WireDirection::Output); ++i) {
        RectF outbounds = RectF::withSize(centerOfTile(entity->tilePosition() + entity->nodePosition({WireDirection::Output, i})) - (m_nodeSize / 2.0f), m_nodeSize);
        if (geometry.rectContains(outbounds, pos)) {
          if (!matchNode) {
            matchNode = WireConnection{entity->tilePosition(), i};
            matchDirection = WireDirection::Output;
            bestDist = geometry.diff(centerOfTile(entity->tilePosition() + entity->nodePosition({WireDirection::Output, i})), pos).magnitudeSquared();
          } else {
            float thisDist = geometry.diff(centerOfTile(entity->tilePosition() + entity->nodePosition({WireDirection::Output, i})), pos).magnitudeSquared();
            if (thisDist < bestDist) {
              matchNode = WireConnection{entity->tilePosition(), i};
              matchDirection = WireDirection::Output;
              bestDist = thisDist;
            }
          }
        }
      }
    }

    if (matchNode) {
      if (m_connecting) {
        if (m_sourceDirection == matchDirection) {
          return Mismatch;
        } else if (m_sourceConnector.entityLocation == matchNode->entityLocation) {
          return Mismatch;