#pragma once

#include <cstdint>

#include "MacroUtils.h"

using Byte = uint8_t;

struct GlobalMemory
{
  struct State
  {
    Byte*  memory;
    size_t available;
  };

  Byte*  memory;
  size_t available;
  size_t capacity;

  void init( size_t size );

  void destroy();

  Byte* allocate( size_t size );

  Byte* allocate( size_t size, size_t alignment );

  // Do not do any permanent allocations after calling this.
  [[nodiscard]] State getState() const;

  // Call this before permanent allocations.
  void restoreState( State const& state );
};