Improve grid appearance

rust/cli_player/src/ui_screens/game_screen.rs

@@ -220,7 +220,7 @@ impl GameScreen {
     }
 
     fn player_map(&self, map: &CurrentGameMapStatus, opponent_map: bool) -> GameMapWidget {
-        let mut map_widget = GameMapWidget::new(&self.game.rules);
+        let mut map_widget = GameMapWidget::new(&self.game.rules).set_default_empty_char(' ');
 
         // Current shoot position
         if opponent_map {
@@ -241,8 +241,14 @@ impl GameScreen {
         }
 
         // Sunk boats
+        for b in &map.sunk_boats {
+            for c in b.all_coordinates() {
+                map_widget =
+                    map_widget.set_char(c, b.len.to_string().chars().next().unwrap_or('9'));
+            }
+        }
         let sunk_boats = ColoredCells {
-            color: Color::Gray,
+            color: Color::LightRed,
             cells: map
                 .sunk_boats
                 .iter()
@@ -251,18 +257,29 @@ impl GameScreen {
         };
 
         // Touched boats
+        for b in &map.successful_strikes {
+            map_widget = map_widget.set_char_no_overwrite(*b, 'T');
+        }
         let touched_areas = ColoredCells {
             color: Color::Red,
             cells: map.successful_strikes.clone(),
         };
 
         // Failed strikes
+        for b in &map.failed_strikes {
+            map_widget = map_widget.set_char_no_overwrite(*b, '.');
+        }
         let failed_strikes = ColoredCells {
-            color: Color::DarkGray,
+            color: Color::Black,
             cells: map.failed_strikes.clone(),
         };
 
         // Boats
+        for b in &map.boats.0 {
+            for c in b.all_coordinates() {
+                map_widget = map_widget.set_char_no_overwrite(c, 'B');
+            }
+        }
         let boats = ColoredCells {
             color: Color::Blue,
             cells: map