fight monsters, collect artifacts

src/level.rs

@@ -45,8 +45,8 @@ impl Level {
             discovered: [[false; LEVEL_HEIGHT]; LEVEL_WIDTH],
             monsters: Vec::with_capacity(10),
             artifacts: Vec::with_capacity(10),
-            start: (0,0),
-            end: (0,0),
+            start: (0, 0),
+            end: (0, 0),
         }
     }
     pub fn get_element(&mut self, x: i16, y: i16) -> (Option<StructureElement>, Option<&mut Monster>, Option<&mut Box<(dyn Artifact + 'static)>>) {
@@ -172,6 +172,21 @@ impl Level {
             }
         }
     }
+
+    pub fn update(&mut self) {
+        for (index, a) in &mut self.artifacts.iter().enumerate() {
+            if a.was_collected() {
+                self.artifacts.remove(index);
+                break;
+            }
+        }
+        for (index, m) in &mut self.monsters.iter().enumerate() {
+            if m.is_dead() {
+                self.monsters.remove(index);
+                break;
+            }
+        }
+    }
 }
 
 #[test]