allow local netcode multiplayer

* fix crashing when steam client not available
* allow more than 1 connected player
* disable settings persistence when in dbg

crates/hedz_reloaded/src/client/mod.rs

@@ -87,7 +87,7 @@ fn connect_to_server(
     mut commands: Commands,
     config: Res<NetConfig>,
     channels: Res<RepliconChannels>,
-    steam_client: Res<Client>,
+    steam_client: Option<Res<Client>>,
 ) -> Result {
     let server_channels_config = channels.server_configs();
     let client_channels_config = channels.client_configs();
@@ -101,6 +101,10 @@ fn connect_to_server(
     commands.insert_resource(client);
 
     if let NetConfig::SteamClient(host_steam_id) = &*config {
+        let Some(steam_client) = steam_client else {
+            return Err("Steam client not found".into());
+        };
+
         info!("connecting to steam host: {host_steam_id:?}");
         let transport = bevy_replicon_renet::steam::SteamClientTransport::new(
             (**steam_client).clone(),

crates/hedz_reloaded/src/client/settings.rs

@@ -4,10 +4,11 @@ use bevy_pkv::prelude::*;
 use crate::{client::audio::SoundSettings, utils::Debounce};
 
 pub fn plugin(app: &mut App) {
+    #[cfg(not(feature = "dbg"))]
     app.insert_resource(PkvStore::new("Rustunit", "HEDZ"));
 
-    app.add_systems(Update, persist_settings);
-    app.add_systems(Startup, load_settings);
+    app.add_systems(Update, persist_settings.run_if(resource_exists::<PkvStore>));
+    app.add_systems(Startup, load_settings.run_if(resource_exists::<PkvStore>));
 }
 
 fn persist_settings(

crates/hedz_reloaded/src/server.rs

@@ -98,7 +98,7 @@ fn open_renet_server(
 
         let server_config = bevy_replicon_renet::netcode::ServerConfig {
             current_time,
-            max_clients: 1,
+            max_clients: 8,
             protocol_id: 0,
             authentication: bevy_replicon_renet::netcode::ServerAuthentication::Unsecure,
             public_addresses: Default::default(),