From 3ed8d82a04860e058aa3292158fefe941be5002b Mon Sep 17 00:00:00 2001
From: griffi-gh <prasol258@gmail.com>
Date: Sat, 4 May 2024 00:05:16 +0200
Subject: [PATCH] preheat chunks on server

---
 Server.toml               |  1 +
 kubi-server/src/config.rs | 75 ++++++++++++++++++++-------------------
 kubi-server/src/main.rs   |  4 +--
 kubi-server/src/world.rs  | 29 +++++++++++++--
 4 files changed, 67 insertions(+), 42 deletions(-)

diff --git a/Server.toml b/Server.toml
index 608af3f..48065e9 100644
--- a/Server.toml
+++ b/Server.toml
@@ -5,6 +5,7 @@ timeout_ms = 10000
 
 [world]
 seed = 0xfeb_face_dead_cafe
+preheat_radius = 8
 
 [query]
 name = "Kubi Server"
diff --git a/kubi-server/src/config.rs b/kubi-server/src/config.rs
index a183674..561403d 100644
--- a/kubi-server/src/config.rs
+++ b/kubi-server/src/config.rs
@@ -1,37 +1,38 @@
-use shipyard::{AllStoragesView, Unique};
-use serde::{Serialize, Deserialize};
-use std::{fs, net::SocketAddr};
-
-#[derive(Serialize, Deserialize)]
-pub struct ConfigTableServer {
-  pub address: SocketAddr,
-  pub max_clients: usize,
-  pub timeout_ms: u64,
-  pub password: Option<String>,
-}
-
-#[derive(Serialize, Deserialize)]
-pub struct ConfigTableWorld {
-  pub seed: u64,
-}
-
-#[derive(Serialize, Deserialize)]
-pub struct ConfigTableQuery {
-  pub name: Option<String>
-}
-
-#[derive(Unique, Serialize, Deserialize)]
-pub struct ConfigTable {
-  pub server: ConfigTableServer,
-  pub world: ConfigTableWorld,
-  pub query: ConfigTableQuery,
-}
-
-pub fn read_config(
-  storages: AllStoragesView,
-) {
-  log::info!("Reading config...");
-  let config_str = fs::read_to_string("Server.toml").expect("No config file found");
-  let config: ConfigTable = toml::from_str(&config_str).expect("Invalid configuration file");
-  storages.add_unique(config);
-}
+use shipyard::{AllStoragesView, Unique};
+use serde::{Serialize, Deserialize};
+use std::{fs, net::SocketAddr};
+
+#[derive(Serialize, Deserialize)]
+pub struct ConfigTableServer {
+  pub address: SocketAddr,
+  pub max_clients: usize,
+  pub timeout_ms: u64,
+  pub password: Option<String>,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct ConfigTableWorld {
+  pub seed: u64,
+  pub preheat_radius: u32,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct ConfigTableQuery {
+  pub name: Option<String>
+}
+
+#[derive(Unique, Serialize, Deserialize)]
+pub struct ConfigTable {
+  pub server: ConfigTableServer,
+  pub world: ConfigTableWorld,
+  pub query: ConfigTableQuery,
+}
+
+pub fn read_config(
+  storages: AllStoragesView,
+) {
+  log::info!("Reading config...");
+  let config_str = fs::read_to_string("Server.toml").expect("No config file found");
+  let config: ConfigTable = toml::from_str(&config_str).expect("Invalid configuration file");
+  storages.add_unique(config);
+}
diff --git a/kubi-server/src/main.rs b/kubi-server/src/main.rs
index 8a216b1..790388a 100644
--- a/kubi-server/src/main.rs
+++ b/kubi-server/src/main.rs
@@ -1,4 +1,4 @@
-use shipyard::{World, Workload, IntoWorkload};
+use shipyard::{IntoWorkload, Workload, WorkloadModificator, World};
 use std::{thread, time::Duration};
 
 mod util;
@@ -19,7 +19,7 @@ fn initialize() -> Workload {
     read_config,
     bind_server,
     init_client_maps,
-    init_world,
+    init_world.after_all(read_config),
   ).into_workload()
 }
 
diff --git a/kubi-server/src/world.rs b/kubi-server/src/world.rs
index 6ca5f95..dc2aa3c 100644
--- a/kubi-server/src/world.rs
+++ b/kubi-server/src/world.rs
@@ -1,4 +1,4 @@
-use shipyard::{Unique, UniqueView, UniqueViewMut, Workload, IntoWorkload, AllStoragesView, View, Get, NonSendSync, IntoIter};
+use shipyard::{AllStoragesView, Get, IntoIter, IntoWorkload, NonSendSync, SystemModificator, Unique, UniqueView, UniqueViewMut, View, Workload};
 use glam::IVec3;
 use hashbrown::HashMap;
 use kubi_shared::{
@@ -265,10 +265,33 @@ fn init_chunk_manager_and_block_queue(
   storages.add_unique(LocalBlockQueue::default());
 }
 
+pub fn preheat_world(
+  mut chunk_manager: UniqueViewMut<ChunkManager>,
+  task_manager: UniqueView<ChunkTaskManager>,
+  config: UniqueView<ConfigTable>,
+) {
+  let r = config.world.preheat_radius as i32;
+  for x in -r..=r {
+    for y in -r..=r {
+      for z in -r..=r {
+        let chunk_position = IVec3::new(x, y, z);
+        let mut chunk = Chunk::new();
+        chunk.state = ChunkState::Loading;
+        chunk_manager.chunks.insert(chunk_position, chunk);
+        task_manager.spawn_task(ChunkTask::LoadChunk {
+          position: chunk_position,
+          seed: config.world.seed,
+        });
+      }
+    }
+  }
+}
+
 pub fn init_world() -> Workload {
   (
-    init_chunk_manager_and_block_queue,
-    init_chunk_task_manager,
+    init_chunk_manager_and_block_queue.before_all(preheat_world),
+    init_chunk_task_manager.before_all(preheat_world),
+    preheat_world,
   ).into_workload()
 }