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#pragma once
#include <memory>
#include <unordered_map>
#include <unordered_set>
#include "Generation/Generator.hpp"
#include "ChunkIndex.hpp"
#include "../GFX/Binder.hpp"
#include "../Compute/Queue.hpp"
namespace MC::World {
class World {
public:
World() : m_queue(8) {}
enum class ChunkStatus {
Empty,
WaitingForGeneration,
NeedsMesh,
Done
};
struct ChunkData {
ChunkIndex index;
ChunkStatus status;
std::optional<Chunk> chunk = {};
std::optional<GFX::Mesh> mesh_data = {};
std::optional<GFX::BindableMesh> mesh = {};
};
std::vector<ChunkData*> get_visible_chunks(Vector<3> position);
Chunk* get_chunk_for_position(Vector<3> position);
float get_average_chunk_time() const;
private:
std::unordered_set<ChunkIndex> get_visible_chunk_indices(Vector<3> position) const;
std::unordered_set<ChunkIndex> load_finished_chunks_from_queue();
void process_chunk_visibility_updates(const std::unordered_set<ChunkIndex>& new_chunks, Vector<3> player);
void request_generation(ChunkIndex index, float priority);
void try_to_create_mesh_for_chunk(ChunkData& data);
void log_chunk_time(uint64_t chunk_time_ms);
ChunkData& get(ChunkIndex index);
static uint64_t timestamp();
uint8_t m_view_distance_radius = 13;
struct GenerationResult {
Chunk chunk;
uint64_t generation_duration;
};
Compute::Queue<GenerationResult, ChunkIndex> m_queue;
Generation::Generator m_generator;
std::unordered_map<ChunkIndex, ChunkData> m_chunks;
std::unordered_set<ChunkIndex> m_visible_chunks;
struct Statistics {
uint chunk_time_sample_count;
float average_chunk_time_ms;
};
Statistics m_statistics{0, 0.0f};
};
}
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