Function paintSignal

src/OpenLoco/src/Paint/PaintSignal.cpp:213–254

0x0048864C

    // 0x0048864C
    void paintSignal(PaintSession& session, const World::SignalElement& elSignal)
    {
        if (elSignal.isAiAllocated())
        {
            return;
        }

        auto* elTrack = elSignal.prev()->as<World::TrackElement>();
        if (elTrack == nullptr)
        {
            return;
        }
        if (elSignal.isGhost()
            && CompanyManager::getSecondaryPlayerId() != CompanyId::null
            && elTrack->owner() == CompanyManager::getSecondaryPlayerId())
        {
            return;
        }

        if (session.getRenderTarget()->zoomLevel > 1)
        {
            return;
        }

        const coord_t height = elSignal.baseHeight();
        const auto trackId = elTrack->trackId();
        const uint8_t rotation = (session.getRotation() + elSignal.rotation()) & 0x3;
        if (elTrack->sequenceIndex() == 0)
        {
            auto& leftSignal = elSignal.getLeft();
            const bool leftIsGhost = elSignal.isGhost() || elSignal.isLeftGhost();
            paintSignalSide(session, leftSignal, false, leftIsGhost, trackId, rotation, height);
        }
        if (!elTrack->isFlag6())
        {
            return;
        }

        auto& rightSignal = elSignal.getRight();
        const bool rightIsGhost = elSignal.isGhost() || elSignal.isRightGhost();
        paintSignalSide(session, rightSignal, true, rightIsGhost, trackId, rotation, height);
    }
}