move player

src/game.rs

@@ -5,3 +5,10 @@ pub struct Game {
     pub player: Player,
     pub levels: [Level; 25]
 }
+
+impl Game {
+    pub fn move_player(&mut self, dx: i8, dy: i8) {
+        // check if move is allowed first
+        self.player.change_position(dx, dy);
+    }
+}

src/main.rs

@@ -23,7 +23,7 @@ mod position;
 mod level_widget;
 
 fn main() -> Result<()> {
-    let g = Game {
+    let mut g = Game {
         player: Player::new("Teddy Tester", 10),
         levels: [Level::new(); 25],
     };
@@ -62,10 +62,11 @@ fn main() -> Result<()> {
                 height: 25,
             };
             frame.render_widget(
-                Paragraph::new(format!("{}\nHealth: {}/{}",
+                Paragraph::new(format!("{}\nHealth: {}/{}\n{}",
                                        g.player.get_name(),
                                        g.player.get_life(),
-                                       g.player.get_max_life()))
+                                       g.player.get_max_life(),
+                                       g.player.get_position().get_x()))
                     .white()
                     .on_blue(),
                 stats_area,
@@ -76,6 +77,18 @@ fn main() -> Result<()> {
                 if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('q') {
                     break;
                 }
+                if key.kind == KeyEventKind::Press && key.code == KeyCode::Left {
+                    g.move_player(-1, 0);
+                }
+                if key.kind == KeyEventKind::Press && key.code == KeyCode::Right {
+                    g.move_player(1, 0);
+                }
+                if key.kind == KeyEventKind::Press && key.code == KeyCode::Up {
+                    g.move_player(0, -1);
+                }
+                if key.kind == KeyEventKind::Press && key.code == KeyCode::Down {
+                    g.move_player(0, 1);
+                }
             }
         }
     }

src/player.rs

@@ -28,6 +28,9 @@ impl Player {
     pub fn get_position(&self) -> Position {
         self.position
     }
+    pub fn change_position(&mut self, dx: i8, dy: i8) {
+        self.position.change(dx, dy);
+    }
 }
 
 #[test]

src/position.rs

@@ -24,4 +24,9 @@ impl Position {
     pub fn get_y(&self) -> u16 {
         self.y
     }
+
+    pub fn change(&mut self, dx: i8, dy: i8) {
+        self.x = ((self.x as i16) + dx as i16) as u16;
+        self.y = ((self.y as i16) + dy as i16) as u16;
+    }
 }