warnings cleanup and MasterDungeonMap class

src/map/dungeon.rs

@@ -0,0 +1,29 @@
+use super::Map;
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+
+#[derive(Default, Serialize, Deserialize, Clone)]
+pub struct MasterDungeonMap {
+    maps: HashMap<i32, Map>,
+}
+
+impl MasterDungeonMap {
+    /// Initialises a blank MasterDungeonMap
+    pub fn new() -> MasterDungeonMap {
+        return MasterDungeonMap { maps: HashMap::new() };
+    }
+    /// Stores the given map in the MasterDungeonMap
+    pub fn store_map(&mut self, map: &Map) {
+        self.maps.insert(map.id, map.clone());
+    }
+    /// Gets a map by ID from the MasterDungeonMap
+    pub fn get_map(&self, id: i32) -> Option<Map> {
+        if self.maps.contains_key(&id) {
+            let mut result = self.maps[&id].clone();
+            result.tile_content = vec![Vec::new(); (result.width * result.height) as usize];
+            return Some(result);
+        } else {
+            return None;
+        }
+    }
+}