ClusterTexCoordMapping.hpp

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/*
* Texturizer.tcc
*
*  @date 23.07.2017
*  @author Jan Philipp Vogtherr <jvogtherr@uni-osnabrueck.de>
*  @author Kristin Schmidt <krschmidt@uni-osnabrueck.de>
*/

#ifndef LVR2_TEXTURE_CLUSTER_TEXCOORD_MAPPING_H_
#define LVR2_TEXTURE_CLUSTER_TEXCOORD_MAPPING_H_

#include "lvr2/geometry/Handles.hpp"

#include <vector>
#include <utility>

using std::vector;
using std::pair;

namespace lvr2
{

struct TexCoords
{
    float u;
    float v;

    TexCoords(float u = 0, float v = 0) : u(u), v(v) {}

};

class ClusterTexCoordMapping
{
private:
    array<boost::optional<pair<ClusterHandle, TexCoords>>, 100> m_mapping;
    size_t m_len;

public:
    ClusterTexCoordMapping() : m_len(0) {}

    inline void push(ClusterHandle handle, TexCoords tex)
    {
        if (m_len == m_mapping.size())
        {
            cout << "Error: Overflow in ClusterTexCoordMapping" << endl;
        }
        else
        {
            m_mapping[m_len] = std::make_pair(handle, tex);
            m_len++;
        }
    }

    inline TexCoords getTexCoords(ClusterHandle clusterH) const
    {
        for (size_t i = 0; i < m_len; i++)
        {
            if (m_mapping[i]->first == clusterH)
            {
                return m_mapping[i]->second;
            }
        }
        return TexCoords();
    }



};

} // namespace lvr2

#endif /* LVR2_TEXTURE_CLUSTER_TEXCOORD_MAPPING_H_ */