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#ifndef SERVER_OVERWORLD_HH
#define SERVER_OVERWORLD_HH 1
#pragma once
#include "core/config.hh"
#include "shared/const.hh"
#include "shared/dimension.hh"
struct Metadata_2501 final {
std::array<std::uint64_t, CHUNK_AREA> entropy;
std::array<voxel_pos::value_type, CHUNK_AREA> heightmap;
};
class Overworld final : public Dimension {
public:
explicit Overworld(const char *name);
virtual ~Overworld(void) = default;
public:
virtual void init(Config &config) override;
virtual void init_late(std::uint64_t global_seed) override;
virtual bool generate(const chunk_pos &cpos, VoxelStorage &voxels) override;
private:
float get_noise(const voxel_pos &vpos, std::int64_t variation);
Metadata_2501 &get_metadata(const worldgen_chunk_pos &cpos);
void generate_terrain(const chunk_pos &cpos, VoxelStorage &voxels);
void generate_surface(const chunk_pos &cpos, VoxelStorage &voxels);
void generate_carvers(const chunk_pos &cpos, VoxelStorage &voxels);
void generate_features(const chunk_pos &cpos, VoxelStorage &voxels);
private:
ConfigInt m_terrain_variation;
ConfigInt m_bottommost_chunk;
ConfigBoolean m_enable_surface;
ConfigBoolean m_enable_carvers;
ConfigBoolean m_enable_features;
private:
emhash8::HashMap<worldgen_chunk_pos, Metadata_2501> m_metadata;
std::mt19937_64 m_twister;
fnl_state m_fnl_terrain;
fnl_state m_fnl_caves_a;
fnl_state m_fnl_caves_b;
private:
std::mutex m_mutex;
};
#endif /* SERVER_OVERWORLD_HH */
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