Add flashing message intents

src/graphics/flashing_message.rs

@@ -12,7 +12,7 @@ pub fn draw(resources: &mut Resources, bterm: &mut BTerm) {
             MAP_Y + MAP_HEIGHT,
             RGB::named(vga::get_by_index(flashing_message.color)),
             RGB::named(vga::BLACK),
-            format!(" {} ", &flashing_message.message),
+            flashing_message.message.to_string(),
         );
     }
 }

src/input/mod.rs

@@ -1,13 +1,33 @@
 use bracket_lib::prelude::*;
 use hecs::World;
 
-use crate::resources::*;
+use crate::resources::{flashing_message::FlashingMessageIntent, *};
 
 mod player;
 
+pub fn handle_intent(bterm: &mut BTerm, world: &mut World, resources: &mut Resources) {
+    if let Some(key) = bterm.key {
+        if let Some(flashing_message) = &resources.flashing_message {
+            if let Some(intent) = &flashing_message.intent {
+                match intent {
+                    FlashingMessageIntent::Quit => {
+                        if key == VirtualKeyCode::Y {
+                            bterm.quit()
+                        }
+                    }
+                    FlashingMessageIntent::Save => todo!(),
+                    FlashingMessageIntent::Restore => todo!(),
+                    FlashingMessageIntent::Restart => todo!(),
+                }
+            }
+        }
+    }
+}
+
 pub fn handle(world: &mut World, resources: &mut Resources, bterm: &mut BTerm) {
     if resources.flashing_message.is_some() {
         if bterm.key.is_some() {
+            handle_intent(bterm, world, resources);
             resources.flashing_message = None;
         }
     } else {
@@ -45,11 +65,14 @@ pub fn handle(world: &mut World, resources: &mut Resources, bterm: &mut BTerm) {
                     resources.show_debug_info = !resources.show_debug_info;
                 }
                 VirtualKeyCode::Escape | VirtualKeyCode::Q => {
-                    bterm.quit();
+                    resources.flashing_message = Some(FlashingMessage::new(
+                        " Are you sure you want to quit (Y/N)? ",
+                        Some(FlashingMessageIntent::Quit),
+                    ));
                 }
                 VirtualKeyCode::P => {
                     resources.flashing_message =
-                        Some(FlashingMessage::from("Press any key to resume game."));
+                        Some(FlashingMessage::from(" Press any key to resume game. "));
                 }
                 _ => {
                     resources

src/resources/flashing_message.rs

@@ -1,14 +1,36 @@
 use std::time::{Duration, Instant};
 
+use bracket_lib::prelude::{BTerm, VirtualKeyCode};
+use hecs::World;
+
 use crate::constants::*;
 
+use super::Resources;
+
+pub enum FlashingMessageIntent {
+    Quit,
+    Save,
+    Restore,
+    Restart,
+}
+
 pub struct FlashingMessage {
     pub message: String,
     pub color: usize,
     pub last_changed_color: Instant,
+    pub intent: Option<FlashingMessageIntent>,
 }
 
 impl FlashingMessage {
+    pub fn new(message: &str, intent: Option<FlashingMessageIntent>) -> Self {
+        Self {
+            message: message.to_string(),
+            color: 14,
+            last_changed_color: Instant::now(),
+            intent,
+        }
+    }
+
     pub fn next_color(&mut self) {
         let now = Instant::now();
         if now - self.last_changed_color > Duration::from_secs_f32(FLASHING_PERIOD) {
@@ -23,10 +45,6 @@ impl FlashingMessage {
 
 impl From<&str> for FlashingMessage {
     fn from(message: &str) -> Self {
-        Self {
-            message: message.to_string(),
-            color: 14,
-            last_changed_color: Instant::now(),
-        }
+        Self::new(message, None)
     }
 }