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#pragma once
#include <string>
namespace crepe {
/**
* \brief Asset location helper
*
* This class is used to locate game asset files, and should *always* be used
* instead of reading file paths directly.
*/
class Asset {
public:
/**
* \param src Unique identifier to asset
*/
Asset(const std::string & src);
/**
* \param src Unique identifier to asset
*/
Asset(const char * src);
public:
/**
* \brief Get the path to this asset
* \return path to this asset
*/
const std::string & get_path() const noexcept;
/**
* \brief Comparison operator
* \param other Possibly different instance of \c Asset to test equality against
* \return True if \c this and \c other are equal
*/
bool operator == (const Asset & other) const noexcept;
private:
//! path to asset
const std::string src;
private:
std::string find_asset(const std::string & src) const;
/**
* \returns The path to the current executable
*/
std::string whereami() const noexcept;
};
} // namespace crepe
namespace std {
//! Hash helper struct
template<> struct hash<const crepe::Asset> {
/**
* \brief Hash operator for crepe::Asset
*
* This function hashes a crepe::Asset instance, allowing it to be used as a key in an \c
* std::unordered_map.
*
* \returns Hash value
*/
size_t operator()(const crepe::Asset & asset) const noexcept;
};
}
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