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Fixed timestamps! (use them to fix networking)
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45
kubi/src/fixed_timestamp.rs
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45
kubi/src/fixed_timestamp.rs
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@ -0,0 +1,45 @@
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use shipyard::{Workload, WorkloadModificator, Unique, AllStoragesView, UniqueViewMut, IntoWorkload};
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use hashbrown::HashMap;
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use std::time::{Duration, Instant};
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use nohash_hasher::BuildNoHashHasher;
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#[derive(Unique)]
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#[repr(transparent)]
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struct FixedTimestampStorage(HashMap<u32, Instant, BuildNoHashHasher<u32>>);
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impl FixedTimestampStorage {
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pub fn new() -> Self {
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Self(HashMap::with_capacity_and_hasher(16, BuildNoHashHasher::default()))
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}
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}
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impl Default for FixedTimestampStorage {
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fn default() -> Self {
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Self::new()
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}
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}
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pub trait FixedTimestamp {
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fn make_fixed(self, rate_millis: u16, unique_id: u16) -> Self;
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}
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impl FixedTimestamp for Workload {
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fn make_fixed(self, rate_millis: u16, unique_id: u16) -> Self {
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let key = (rate_millis as u32) | ((unique_id as u32) << 16);
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let duration = Duration::from_millis(rate_millis as u64);
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(self,).into_workload().run_if(move |mut timestamps: UniqueViewMut<FixedTimestampStorage>| {
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let Some(t) = timestamps.0.get_mut(&key) else {
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timestamps.0.insert_unique_unchecked(key, Instant::now());
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return true
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};
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if t.elapsed() >= duration {
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*t = Instant::now();
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return true
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}
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false
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})
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}
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}
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pub fn init_fixed_timestamp_storage(
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storages: AllStoragesView
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) {
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storages.add_unique(FixedTimestampStorage::new());
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}
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@ -41,6 +41,7 @@ pub(crate) mod init;
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pub(crate) mod color;
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pub(crate) mod loading_screen;
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pub(crate) mod connecting_screen;
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pub(crate) mod fixed_timestamp;
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use world::{
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init_game_world,
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@ -83,6 +84,7 @@ use init::initialize_from_args;
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use gui::{render_gui, init_gui, update_gui};
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use loading_screen::update_loading_screen;
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use connecting_screen::switch_to_loading_if_connected;
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use fixed_timestamp::init_fixed_timestamp_storage;
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/// stuff required to init the renderer and other basic systems
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fn pre_startup() -> Workload {
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@ -93,6 +95,7 @@ fn pre_startup() -> Workload {
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fn startup() -> Workload {
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(
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init_fixed_timestamp_storage,
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initial_resize_event,
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init_window_size,
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load_prefabs,
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@ -119,7 +122,7 @@ fn update() -> Workload {
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spawn_player.run_if_storage_empty::<MainPlayer>(),
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).into_sequential_workload().run_if(is_singleplayer),
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).into_sequential_workload().run_if(is_ingame_or_loading),
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update_networking.run_if(is_multiplayer),
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update_networking().run_if(is_multiplayer),
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(
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switch_to_loading_if_connected
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).into_sequential_workload().run_if(is_connecting),
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@ -14,7 +14,8 @@ use crate::{
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events::EventComponent,
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control_flow::SetControlFlow,
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world::tasks::ChunkTaskManager,
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state::is_ingame_or_loading
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state::is_ingame_or_loading,
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fixed_timestamp::FixedTimestamp
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};
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mod handshake;
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@ -34,9 +35,11 @@ use world::{
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use player::{
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init_client_map,
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send_player_movement_events,
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receive_player_movement_events,
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receive_player_connect_events
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};
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use self::player::{receive_player_movement_events, receive_player_connect_events};
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const NET_TICKRATE: u16 = 33;
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#[derive(Unique, Clone, Copy, PartialEq, Eq)]
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pub enum GameType {
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@ -119,7 +122,7 @@ pub fn update_networking() -> Workload {
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(
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init_client_map.run_if_missing_unique::<ClientIdMap>(),
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connect_client.run_if_missing_unique::<UdpClient>(),
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poll_client,
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poll_client.into_workload().make_fixed(NET_TICKRATE, 0),
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(
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set_client_join_state_to_connected,
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say_hello,
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@ -147,7 +150,7 @@ pub fn update_networking_late() -> Workload {
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send_block_place_events,
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send_player_movement_events,
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).into_workload().run_if(is_join_state::<{ClientJoinState::Joined as u8}>),
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flush_client,
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flush_client.into_workload().make_fixed(NET_TICKRATE, 1)
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).into_sequential_workload()
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}
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