metatile_attribute.hpp

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#pragma once
 
#include <cstddef>
#include <string>
 
#include "porytiles2/xcut/result/chainable_result.hpp"
 
namespace porytiles2 {
 
namespace attr {
 
/*
 * TODO: remove these hardcoded constants. fieldmap.c and global.fieldmap.h contain definitions for attribute shifts and
 * masks that could be used to infer these values
 */
constexpr std::size_t bytes_per_attr_emerald = 2;
constexpr std::size_t bytes_per_attr_firered = 4;
 
enum class LayerType : std::uint8_t { normal = 0, covered = 1, split = 2 };
 
[[nodiscard]] std::string to_string(LayerType layerType);
 
[[nodiscard]] ChainableResult<LayerType> layer_type_from_int(std::uint8_t i);
 
} // namespace attr
 
class MetatileAttribute {
  public:
    MetatileAttribute() = default;
 
    MetatileAttribute(attr::LayerType layerType, std::uint16_t behavior) : layer_type_{layerType}, behavior_{behavior}
    {
    }
 
    [[nodiscard]] attr::LayerType layer_type() const
    {
        return layer_type_;
    }
 
    [[nodiscard]] std::uint16_t behavior() const
    {
        return behavior_;
    }
 
  private:
    attr::LayerType layer_type_;
    std::uint16_t behavior_;
};
 
} // namespace porytiles2