Method draw

core/navmesh/NavMeshDebugDraw.cpp:165–226

}

void NavMeshDebugDraw::draw(Renderer* renderer)
{
    auto& transform = Director::getInstance()->getMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
    auto beforeCommand = renderer->nextCallbackCommand();
    auto afterCommand  = renderer->nextCallbackCommand();

    beforeCommand->init(0, Mat4::IDENTITY, Node::FLAGS_RENDER_AS_3D);
    afterCommand->init(0, Mat4::IDENTITY, Node::FLAGS_RENDER_AS_3D);

    beforeCommand->func  = AX_CALLBACK_0(NavMeshDebugDraw::onBeforeVisitCmd, this);
    afterCommand->func  = AX_CALLBACK_0(NavMeshDebugDraw::onAfterVisitCmd, this);

    beforeCommand->set3D(true);
    beforeCommand->setTransparent(true);
    afterCommand->set3D(true);
    afterCommand->setTransparent(true);

    _programState->setUniform(_locMVP, transform.m, sizeof(transform.m));

    renderer->addCommand(beforeCommand);

    if (!_vertexBuffer || _vertexBuffer->getSize() < _vertices.size() * sizeof(_vertices[0]))
    {
        _vertexBuffer = backend::DriverBase::getInstance()->newBuffer(
            _vertices.size() * sizeof(_vertices[0]), backend::BufferType::VERTEX, backend::BufferUsage::STATIC);
        _dirtyBuffer = true;
    }

    if (_dirtyBuffer)
    {
        _vertexBuffer->updateData(_vertices.data(), sizeof(_vertices[0]) * _vertices.size());
        _dirtyBuffer = false;
    }
    int idx = 0;
    if (_commands.size() < _primitiveList.size())
    {
        _commands.resize(_primitiveList.size());
    }
    for (auto&& iter : _primitiveList)
    {
        if (iter->type == backend::PrimitiveType::POINT)
            continue;
        if (iter->end - iter->start <= 0)
            continue;

        auto& command = _commands[idx];

        initCustomCommand(command);
        command.setBeforeCallback(AX_CALLBACK_0(NavMeshDebugDraw::onBeforeEachCommand, this, iter->depthMask));

        command.setVertexBuffer(_vertexBuffer);
        command.setPrimitiveType(iter->type);
        command.setVertexDrawInfo(iter->start, iter->end - iter->start);

        renderer->addCommand(&command);

        AX_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, iter->end - iter->start);
        idx++;