Add loading capabilities back

2 files changed, 34 insertions, 1 deletions

diff --git a/src/map/data.rs b/src/map/data.rs
index b7719cd..f7ec484 100644
--- a/src/map/data.rs
+++ b/src/map/data.rs
@@ -65,7 +65,7 @@ impl MapData {
     }
 
     /// Load the map data from a file. Fails if the file does not exist or cannot be correctly parsed.
-    pub fn load_from_file<P: AsRef<Path>>(&mut self, path: P) -> io::Result<Self> {
+    pub fn load_from_file<P: AsRef<Path>>(path: P) -> io::Result<Self> {
         let file = File::open(&path)?;
         let data: Self = match from_reader(file) {
             Ok(data) => data,
diff --git a/src/map/mod.rs b/src/map/mod.rs
index 28025ad..70f65b3 100644
--- a/src/map/mod.rs
+++ b/src/map/mod.rs
@@ -147,19 +147,52 @@ impl Map {
             .chain(self.icons.iter_mut().map(|i| i as &mut dyn Mappable))
     }
 
+    /// Get the rectangular rooms of this map.
     pub fn rect_rooms(&self) -> &Vec<RectRoom> {
         &self.rect_rooms
     }
 
+    /// Get the polygon rooms of this map.
     pub fn polygon_rooms(&self) -> &Vec<PolygonRoom> {
         &self.polygon_rooms
     }
 
+    /// Get the walls of this map.
     pub fn walls(&self) -> &Vec<Wall> {
         &self.walls
     }
 
+    /// Get the icons of this map.
     pub fn icons(&self) -> &Vec<Icon> {
         &self.icons
     }
+
+    /// Replace the internal map data with the data provided. (Load and replace)
+    pub fn set_data(&mut self, data: MapData) {
+        // Remove all data.
+        self.icons.clear();
+        self.polygon_rooms.clear();
+        self.rect_rooms.clear();
+        self.walls.clear();
+
+        // Add all data from the map data.
+        self.add_data(data);
+    }
+
+    /// Add the data provided to the current data on the map. All elements will remain, with the
+    /// additional elements being pushed also.
+    pub fn add_data(&mut self, data: MapData) {
+        for i in data.icons {
+            self.push_icon(Icon::from_data(i, self.icon_renderer.clone()))
+        }
+        for p in data.polygon_rooms {
+            self.push_polygon_room(p);
+        }
+        for r in data.rect_rooms {
+            self.push_rect_room(r);
+        }
+        for w in data.walls {
+            self.push_wall(w);
+        }
+    }
 }