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#include "server/pch.hh"
#include "server/unloader.hh"
#include "core/config.hh"
#include "shared/chunk_aabb.hh"
#include "shared/chunk.hh"
#include "shared/dimension.hh"
#include "shared/player.hh"
#include "shared/player.hh"
#include "shared/transform.hh"
#include "server/game.hh"
#include "server/globals.hh"
#include "server/inhabited.hh"
#include "server/universe.hh"
static void on_chunk_update(const ChunkUpdateEvent &event)
{
event.dimension->chunks.emplace_or_replace<InhabitedComponent>(event.chunk->get_entity());
}
static void on_voxel_set(const VoxelSetEvent &event)
{
event.dimension->chunks.emplace_or_replace<InhabitedComponent>(event.chunk->get_entity());
}
void unloader::init(void)
{
globals::dispatcher.sink<ChunkUpdateEvent>().connect<&on_chunk_update>();
globals::dispatcher.sink<VoxelSetEvent>().connect<&on_voxel_set>();
}
void unloader::init_late(void)
{
}
void unloader::fixed_update_late(Dimension *dimension)
{
auto group = dimension->entities.group(entt::get<PlayerComponent, TransformComponent>);
auto boxes = std::vector<ChunkAABB>();
for(const auto [entity, transform] : group.each()) {
ChunkAABB aabb;
aabb.min = transform.chunk - static_cast<chunk_pos::value_type>(server_game::view_distance.get_value());
aabb.max = transform.chunk + static_cast<chunk_pos::value_type>(server_game::view_distance.get_value());
boxes.push_back(aabb);
}
auto view = dimension->chunks.view<ChunkComponent>();
auto chunk_in_view = false;
for(const auto [entity, chunk] : view.each()) {
chunk_in_view = false;
for(const auto &aabb : boxes) {
if(aabb.contains(chunk.cpos)) {
chunk_in_view = true;
break;
}
}
if(chunk_in_view) {
// The chunk is within view box of at least
// a single player; we shouldn't unload it now
continue;
}
if(dimension->chunks.any_of<InhabitedComponent>(entity)) {
// Only store inhabited chunks on disk
universe::save_chunk(dimension, chunk.cpos);
}
dimension->remove_chunk(entity);
}
}
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