metatiles_header_provider.hpp

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#pragma once
 
#include <cstddef>
#include <filesystem>
#include <optional>
#include <string>
 
#include "gsl/pointers"
 
#include "porytiles/infra/config/config_provider.hpp"
#include "porytiles/infra/config/layer_value.hpp"
#include "porytiles/utilities/text/text_formatter.hpp"
 
namespace porytiles {
 
class MetatilesHeaderProvider final : public ConfigProvider {
  public:
    explicit MetatilesHeaderProvider(std::filesystem::path project_root, gsl::not_null<const TextFormatter *> format)
        : project_root_{std::move(project_root)}, format_{format}
    {
    }
 
    [[nodiscard]] std::string name() const override;
 
    [[nodiscard]] LayerValue<std::size_t>
    metatile_attr_size(ConfigScopeType type, const std::string &scope) const override;
 
  private:
    std::filesystem::path project_root_;
    const TextFormatter *format_;
    mutable std::optional<LayerValue<std::size_t>> cached_result_;
};
 
} // namespace porytiles