TerrainFile.h

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#pragma once
 
#include "procgen/heightmap/Heightmap.h"
 
#include <cstdint>
#include <span>
#include <string>
#include <string_view>
 
namespace eve::procgen {
 
enum class TerrainFileFormat : std::uint8_t {
    Auto,  
    Evtr,  
    Evtrn,   
    Raw8,    
    Raw16LE, 
    Raw16BE  
};
 
struct DecodedTerrainFile {
    Heightmap   heightmap;
    float       spacingX  = 1.f;
    float       spacingZ  = 1.f;
    float       minHeight = 0.f;
    float       maxHeight = 0.f;
    bool        hasSpacing = false;
    std::string format;  
};
 
[[nodiscard]] EVENGINE_API_DOMAINS TerrainFileFormat parseTerrainFileFormat(std::string_view name) noexcept;
 
[[nodiscard]] EVENGINE_API_DOMAINS eve::Result<DecodedTerrainFile> decodeTerrainFile(
    std::span<const std::uint8_t> bytes, TerrainFileFormat format);
 
[[nodiscard]] eve::Result<DecodedTerrainFile> loadTerrainFile(const std::string &path,
                                                              TerrainFileFormat format);
 
}  // namespace eve::procgen