Files
Tower-Defense/include/render/VertexCache.h

35 lines
866 B
C++

#include <unordered_map>
#include <cstdint>
#include <memory>
#include "render/loader/GLLoader.h"
namespace td {
namespace render {
class VertexCache {
typedef std::vector<float> Vector;
typedef std::pair<Vector::iterator, Vector::iterator> ElementsIndex;
typedef std::pair<ElementsIndex, ElementsIndex> DataIndex;
private:
Vector m_Positions;
Vector m_Colors;
std::unordered_map<std::uint64_t, DataIndex> m_Indexes;
std::unique_ptr<GL::VertexArray> m_VertexArray;
public:
void addData(std::uint64_t index, std::vector<float> positions, std::vector<float> colors);
void removeData(std::uint64_t index);
void clear();
void updateVertexArray();
const GL::VertexArray& getVertexArray() const { return *m_VertexArray; }
bool isEmpty() const { return m_VertexArray == nullptr; }
};
} // namespace render
} // namespace td