restructure project

include/client/render/VertexCache.h

@@ -0,0 +1,38 @@
+#include <unordered_map>
+#include <cstdint>
+#include <memory>
+
+#include "client/render/loader/GLLoader.h"
+
+
+namespace td {
+namespace render {
+
+
+class VertexCache {
+
+	typedef std::vector<float> Vector;
+
+	struct DataIndex {
+		Vector position;
+		Vector color;
+	};
+
+private:
+	std::size_t m_VertexCount;
+	std::unordered_map<std::uint64_t, DataIndex> m_Indexes;
+	std::unique_ptr<GL::VertexArray> m_VertexArray;
+public:
+	VertexCache() : m_VertexCount(0) {}
+
+	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