FeatherMC/src/world/Chunk.h

#pragma once

#include "Types.h"

#include "nbt/NBT.h"
#include "PalettedContainer.h"
#include "block/state/BlockState.h"

#include <cstdint>


namespace Feather
{
	// 16x16x16 sections of a chunk
	class ChunkSection
	{
	public:
		// 4 bits per block
		// 16^3 = 4096 blocks total
		// 4096 * 4 = 16384 bits = 256x int64
		// 16 blocks per int64
		static constexpr int NUM_LONGS = 256;

		int64_t blockStates[NUM_LONGS];
	};

	// Chunk: 16x256x16 world chunk
	class Chunk
	{
		static constexpr int NUM_SECTIONS = 16;

		// Each chunk is made of up 16 ChunkSections
		ChunkSection Sections[NUM_SECTIONS];

		ChunkPos pos;

		// TODO: save heightmaps here
		// UNSERIALIZED
		//const NBT::CompoundTag* heightmaps;

	public:
		Chunk(ChunkPos& pos, NBT::CompoundTag& tag);
	};
};