#define BLANK_WORLD_CHUNKLOADER_HPP_
#include "Chunk.hpp"
+#include "../app/IntervalTimer.hpp"
#include <list>
class BlockTypeRegistry;
class Generator;
+class WorldSave;
class ChunkLoader {
struct Config {
int load_dist = 6;
int unload_dist = 8;
+ int gen_limit = 16;
};
- ChunkLoader(const Config &, const BlockTypeRegistry &, const Generator &) noexcept;
+ ChunkLoader(
+ const Config &,
+ const BlockTypeRegistry &,
+ const Generator &,
+ const WorldSave &
+ ) noexcept;
- void Generate(const Chunk::Pos &from, const Chunk::Pos &to);
- void GenerateSurrounding(const Chunk::Pos &);
+ void Queue(const Chunk::Pos &from, const Chunk::Pos &to);
+ void QueueSurrounding(const Chunk::Pos &);
std::list<Chunk> &Loaded() noexcept { return loaded; }
+ const WorldSave &SaveFile() const noexcept { return save; }
Chunk *Loaded(const Chunk::Pos &) noexcept;
bool Queued(const Chunk::Pos &) noexcept;
bool Known(const Chunk::Pos &) noexcept;
Chunk &ForceLoad(const Chunk::Pos &);
+ bool OutOfRange(const Chunk &c) const noexcept { return OutOfRange(c.Position()); }
+ bool OutOfRange(const Chunk::Pos &) const noexcept;
+
void Rebase(const Chunk::Pos &);
- void Update();
+ void Update(int dt);
+
+ std::size_t ToLoad() const noexcept { return to_load.size(); }
+ // returns true if the chunk was generated
+ bool LoadOne();
+ void LoadN(std::size_t n);
private:
- Chunk &Generate(const Chunk::Pos &pos);
+ Chunk &Load(const Chunk::Pos &pos);
+ // link given chunk to all loaded neighbors
void Insert(Chunk &) noexcept;
- void Remove(Chunk &) noexcept;
+ // remove a loaded chunk
+ // this unlinks it from its neighbors as well as moves it to the free list
+ // given iterator must point to a chunk from the loaded list
+ // returns an iterator to the chunk following the removed one
+ // in the loaded list (end for the last one)
+ std::list<Chunk>::iterator Remove(std::list<Chunk>::iterator) noexcept;
private:
Chunk::Pos base;
const BlockTypeRegistry ®
const Generator &gen;
+ const WorldSave &save;
std::list<Chunk> loaded;
- std::list<Chunk::Pos> to_generate;
+ std::list<Chunk::Pos> to_load;
std::list<Chunk> to_free;
+ IntervalTimer gen_timer;
+
int load_dist;
int unload_dist;