fixes

include/opengl/data/mesh_data.hpp

@@ -0,0 +1,68 @@
+#pragma once
+
+#include "opengl/handles/mesh_handle.hpp"
+#include "util/uix.hpp"
+
+#include <system_error>
+#include <span>
+
+#include "assets/components/mesh_vertex_components.hpp"
+#include "GL/glew.h"
+
+namespace zgl
+{
+struct mesh_data
+{
+private:
+	mesh_data(
+		GLuint vertex_vbo_id,
+		GLuint index_vbo_id,
+		GLuint vao_id,
+		ztu::u32 material_id,
+		components::mesh_vertex::flags components,
+		GLsizei index_count
+	);
+
+public:
+	mesh_data() = default;
+
+	[[nodiscard]] static std::error_code build_from(
+		std::span<const std::uint8_t> vertex_buffer,
+		std::span<const GLenum> component_types,
+		std::span<const GLint> component_lengths,
+		GLsizei stride,
+		std::span<const ztu::u32> index_buffer,
+		ztu::u32 material_id,
+		components::mesh_vertex::flags components,
+		mesh_data& data
+	);
+
+	mesh_data(const mesh_data& other) = delete;
+	mesh_data& operator=(const mesh_data& other) = delete;
+
+	mesh_data(mesh_data&& other) noexcept;
+	mesh_data& operator=(mesh_data&& other) noexcept;
+
+	~mesh_data();
+
+	[[nodiscard]] mesh_handle handle() const;
+
+	[[nodiscard]] components::mesh_vertex::flags components() const;
+
+	[[nodiscard]] ztu::u32 material_id() const;
+
+
+private:
+	mesh_handle m_handle{};
+	GLuint m_vertex_vbo_id{ 0 };
+	GLuint m_index_vbo_id{ 0 };
+	ztu::u32 m_material_id{ 0 };
+	components::mesh_vertex::flags m_component_types{
+		components::mesh_vertex::flags::none
+	};
+};
+}
+
+#define INCLUDE_MESH_DATA_IMPLEMENTATION
+#include "opengl/data/mesh_data.ipp"
+#undef INCLUDE_MESH_DATA_IMPLEMENTATION