FloatingSubtreeNode.cc

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/*
 * This class is available on C++11 compilers only.
 */
#if (defined(_MSC_VER) && (_MSC_VER >= 1900)) || __cplusplus > 199711L || defined(__GXX_EXPERIMENTAL_CXX0X__)

#include "../../ACG/Scenegraph/FloatingSubtreeNode.hh"

#include <ACG/GL/IRenderer.hh>

namespace ACG {
namespace SceneGraph {

FloatingSubtreeNode::FloatingSubtreeNode(
        GLMatrixd modelview_override,
        BaseNode *_parent, const std::string &_name)

    : BaseNode(_parent, _name),
      modelview_override_(std::move(modelview_override)),
      enable_modelview_override_(true),
      enable_overlay_(true) {

    modelview_override_inv_ = modelview_override_;
    modelview_override_inv_.invert();
}

FloatingSubtreeNode::~FloatingSubtreeNode() {

}

void FloatingSubtreeNode::enter(GLState &_state,
        const DrawModes::DrawMode &_drawMode) {
    if (enable_modelview_override_) {
        _state.push_modelview_matrix();
        _state.set_modelview(modelview_override_, modelview_override_inv_);
    }
}

void FloatingSubtreeNode::enter(IRenderer* _renderer, GLState& _state,
        const DrawModes::DrawMode& _drawMode) {
    FloatingSubtreeNode::enter(_state, _drawMode);
}

void FloatingSubtreeNode::leave(GLState &_state,
        const DrawModes::DrawMode &_drawMode) {
    if (enable_modelview_override_) {
        _state.pop_modelview_matrix();
    }
}

void FloatingSubtreeNode::leave(IRenderer* _renderer, GLState& _state,
        const DrawModes::DrawMode& _drawMode) {
    FloatingSubtreeNode::leave(_state, _drawMode);
    if (enable_overlay_) {
        for (auto &obj_it : _renderer->getCollectedSubtreeObjects()) {
            obj_it.overlay = true;
        }
    }
}


void FloatingSubtreeNode::enterPick(GLState &_state, PickTarget _target,
        const DrawModes::DrawMode &_drawMode) {
    FloatingSubtreeNode::enter(_state, _drawMode);
}

void FloatingSubtreeNode::leavePick(GLState &_state, PickTarget _target,
        const DrawModes::DrawMode &_drawMode) {
    FloatingSubtreeNode::leave(_state, _drawMode);
}

void FloatingSubtreeNode::setModelViewOverride(GLMatrixd modelview_override) {
   modelview_override_ = std::move(modelview_override);
   modelview_override_inv_ = modelview_override_;
   modelview_override_inv_.invert();
}

} /* namespace Scenegraph */
} /* namespace ACG */

#endif /* C++11 */