feat: add connecting to singleplayer

src/ui/macroquad/difficulty_selection.rs

@@ -1,3 +1,5 @@
+use std::sync::mpsc;
+
 use macroquad::{
     color::GRAY,
     math::vec2,
@@ -6,12 +8,18 @@ use macroquad::{
     window::{next_frame, screen_height, screen_width},
 };
 
-use crate::ui::{
-    macroquad::menu_builder::MenuBuilder,
-    state::{
-        GameContext,
-        GuiState::{self},
-        connect_to_server,
+use crate::{
+    settings::{
+        client_settings::ClientSettings,
+        general_settings::{DEFAULT_URL, SettingsLike},
+    },
+    ui::{
+        macroquad::menu_builder::MenuBuilder,
+        state::{
+            GameContext,
+            GuiState::{self},
+            connect_bot, connect_to_server, run_server,
+        },
     },
 };
 
@@ -35,17 +43,17 @@ pub async fn draw_dificulty_selection(state: &mut GuiState, context: &mut GameCo
 
             if menu_builder.button(ui, "Easy") {
                 context.difficulty = crate::super_advanced_ai::BotDificulty::Easy;
-                *state = GuiState::Connecting(connect_to_server());
+                start_single(state, context);
             }
 
             if menu_builder.button(ui, "Medium") {
                 context.difficulty = crate::super_advanced_ai::BotDificulty::Normal;
-                *state = GuiState::Connecting(connect_to_server());
+                start_single(state, context);
             }
 
             if menu_builder.button(ui, "Hard") {
                 context.difficulty = crate::super_advanced_ai::BotDificulty::Hard;
-                *state = GuiState::Connecting(connect_to_server());
+                start_single(state, context);
             }
 
             if menu_builder.button(ui, "Go back") {
@@ -53,3 +61,20 @@ pub async fn draw_dificulty_selection(state: &mut GuiState, context: &mut GameCo
             }
         });
 }
+
+fn start_single(state: &mut GuiState, context: &GameContext) {
+    let mut client_settings = ClientSettings::new();
+    client_settings.server_url = DEFAULT_URL; // we overwrite server_url since we connect locally
+
+    let (tx, rx) = mpsc::channel();
+
+    run_server(tx);
+
+    let result = rx.recv();
+
+    if let Ok(result) = result {
+        connect_bot(context.difficulty);
+    }
+
+    *state = GuiState::Connecting(connect_to_server());
+}

src/ui/state.rs

@@ -1,7 +1,9 @@
 use std::sync::mpsc::{self, Receiver, Sender};
 
 use crate::{
-    network::client::Client, super_advanced_ai::BotDificulty, ui::macroquad::game::game::GameClient,
+    network::{client::Client, server::Server},
+    super_advanced_ai::{Bot, BotDificulty},
+    ui::macroquad::game::game::GameClient,
 };
 
 #[derive(Default)]
@@ -62,3 +64,26 @@ pub fn connect_to_server() -> Receiver<Option<Client>> {
 
     rc
 }
+
+pub fn run_server(sender: Sender<()>) {
+    std::thread::spawn(move || {
+        let rt = tokio::runtime::Runtime::new().unwrap();
+
+        let mut server = rt.block_on(Server::new());
+        let _ = rt.block_on(server.start());
+
+        let _ = sender.send(());
+
+        rt.block_on(server.update());
+    });
+}
+
+pub fn connect_bot(dificluty: BotDificulty) {
+    std::thread::spawn(move || {
+        let rt = tokio::runtime::Runtime::new().unwrap();
+
+        let bot = rt.block_on(Bot::new(dificluty));
+
+        rt.block_on(bot.game_loop());
+    });
+}