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// SPDX-License-Identifier: BSD-2-Clause
// Copyright (c) 2025 Kirill Dmitrievich
// File: dimension.hh
// Description: A single world
#ifndef SHARED_WORLD_DIMENSION_HH
#define SHARED_WORLD_DIMENSION_HH
#pragma once
#include "shared/const.hh"
#include "shared/types.hh"
class ConfigMap;
class Chunk;
class Voxel;
class VoxelStorage;
using dimension_entropy_map = std::array<std::uint64_t, CHUNK_AREA>;
using dimension_height_map = std::array<voxel_pos::value_type, CHUNK_AREA>;
class Dimension {
public:
explicit Dimension(std::string_view name, float gravity);
virtual ~Dimension(void);
std::string_view get_name(void) const;
float get_gravity(void) const;
public:
Chunk* create_chunk(const chunk_pos& cpos);
Chunk* find_chunk(entt::entity entity) const;
Chunk* find_chunk(const chunk_pos& cpos) const;
void remove_chunk(entt::entity entity);
void remove_chunk(const chunk_pos& cpos);
void remove_chunk(Chunk* chunk);
public:
const Voxel* get_voxel(const voxel_pos& vpos) const;
const Voxel* get_voxel(const chunk_pos& cpos, const local_pos& lpos) const;
bool set_voxel(const Voxel* voxel, const voxel_pos& vpos);
bool set_voxel(const Voxel* voxel, const chunk_pos& cpos, const local_pos& lpos);
public:
virtual void init(ConfigMap& config);
virtual void init_late(std::uint64_t global_seed);
virtual bool generate(const chunk_pos& cpos, VoxelStorage& voxels);
public:
entt::registry chunks;
entt::registry entities;
private:
std::string m_name;
emhash8::HashMap<chunk_pos, Chunk*> m_chunkmap;
float m_gravity;
};
struct ChunkComponent final {
chunk_pos cpos;
Chunk* chunk;
};
struct ChunkCreateEvent final {
Dimension* dimension;
chunk_pos cpos;
Chunk* chunk;
};
struct ChunkDestroyEvent final {
Dimension* dimension;
chunk_pos cpos;
Chunk* chunk;
};
struct ChunkUpdateEvent final {
Dimension* dimension;
chunk_pos cpos;
Chunk* chunk;
};
struct VoxelSetEvent final {
Dimension* dimension;
const Voxel* voxel;
chunk_pos cpos;
local_pos lpos;
Chunk* chunk;
};
#endif
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