cube-game-plus-plus/common/BlockStorage.h

#ifndef BLOCKSTORAGE_H
#define BLOCKSTORAGE_H

#include "common/Block.h"
#include "memory/UniquePointer.h"
#include "utils/BitArray.h"
#include "utils/List.h"

class BlockStorage final {
    int size;
    int height;
    int sizeMask;

    class Map {
        BitArray blocks;
        List<Block::Id> map;

    public:
        Map(int length, Block::Id id);

        Block::Id get(int index) const;
        void set(int index, Block::Id id);
    };

    List<UniquePointer<Map>> maps;

    static constexpr int SEGMENT_BITS = 4;
    static constexpr int SEGMENT_MASK = (1 << SEGMENT_BITS) - 1;

public:
    static constexpr int SEGMENT = 1 << SEGMENT_BITS;

    BlockStorage(int sizeBits, int heightBits);

    Block::Id get(int x, int y, int z) const;
    void set(int x, int y, int z, Block::Id id);

    int getSize() const;
    int getHeight() const;
};

#endif