fixes

include/opengl/data/material_data.hpp

@@ -0,0 +1,58 @@
+#pragma once
+
+#include "assets/data/texture.hpp"
+#include "assets/data/surface_properties.hpp"
+#include "assets/components/material_components.hpp"
+
+#include "opengl/handles/material_handle.hpp"
+#include "opengl/data/texture_data.hpp"
+
+#include <system_error>
+
+
+namespace zgl
+{
+struct material_data
+{
+private:
+	material_data(
+		const std::optional<texture_handle>& texture_handle,
+		const std::optional<surface_properties_handle>& surface_properties_handle,
+		const std::optional<alpha_handle>& alpha_handle,
+		std::optional<texture_data>&& texture_data,
+		components::material::flags components
+	);
+
+public:
+	material_data() = default;
+
+	[[nodiscard]] static std::error_code build_from(
+		const std::optional<components::material::texture>& texture_opt,
+		const std::optional<components::material::surface_properties>& surface_properties_opt,
+		const std::optional<components::material::transparency>& transparency_opt,
+		material_component::flags components,
+		material_data& data
+	);
+
+	material_data(const material_data& other) = delete;
+	material_data& operator=(const material_data& other) = delete;
+
+	material_data(material_data&& other) noexcept;
+	material_data& operator=(material_data&& other) noexcept;
+
+	[[nodiscard]] material_handle handle() const;
+
+	[[nodiscard]] material_component::flags components() const;
+
+private:
+	material_handle m_handle{};
+	std::optional<texture_data> m_texture_data{ std::nullopt };
+	material_component::flags m_component_types{
+		material_component::flags::none
+	};
+};
+}
+
+#define INCLUDE_MATERIAL_DATA_IMPLEMENTATION
+#include "opengl/data/material_data.ipp"
+#undef INCLUDE_MATERIAL_DATA_IMPLEMENTATION