From 61d255a420c9d977b46670e7fa9e7735d2acf819 Mon Sep 17 00:00:00 2001
From: Arne Dußin
Date: Wed, 6 Jan 2021 21:32:48 +0100
Subject: Add CLI with save feature

---
 src/map/data.rs | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

(limited to 'src/map/data.rs')

diff --git a/src/map/data.rs b/src/map/data.rs
index 1031d3c..b7719cd 100644
--- a/src/map/data.rs
+++ b/src/map/data.rs
@@ -1,6 +1,6 @@
 //! Module containing the raw map data version of the map.
 
-use super::{IconData, PolygonRoomData, RectRoomData, WallData};
+use super::{IconData, Map, PolygonRoomData, RectRoomData, WallData};
 use ron::de::from_reader;
 use ron::ser::{to_string_pretty, PrettyConfig};
 use serde::{Deserialize, Serialize};
@@ -35,6 +35,35 @@ impl MapData {
         }
     }
 
+    /// Creates a data struct from the Map. It is important to note, that this data element is not
+    /// bound to the Map in any way after this, so changing anything won't change anything in the map.
+    /// It is useful however to for instance serialize this map without extra rendering information
+    /// included.
+    pub fn extract_data(map: &Map) -> Self {
+        Self {
+            rect_rooms: map
+                .rect_rooms()
+                .iter()
+                .map(|r| (r as &RectRoomData).clone())
+                .collect(),
+            polygon_rooms: map
+                .polygon_rooms()
+                .iter()
+                .map(|p| (p as &PolygonRoomData).clone())
+                .collect(),
+            walls: map
+                .walls()
+                .iter()
+                .map(|w| (w as &WallData).clone())
+                .collect(),
+            icons: map
+                .icons()
+                .iter()
+                .map(|i| (i as &IconData).clone())
+                .collect(),
+        }
+    }
+
     /// 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> {
         let file = File::open(&path)?;
-- 
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