animation frames to string; sprite to string

src/main.rs

@@ -172,6 +172,21 @@ fn test_image_to_string() {
     assert_eq!(output, expected);
 }
 
+fn animation_frames_to_string(animation_frames: Vec<Image>) -> String {
+    let mut string = String::new();
+    let last_frame = animation_frames.len() - 1;
+
+    for (i, frame) in animation_frames.into_iter().enumerate() {
+        string.push_str(&image_to_string(frame));
+
+        if i < last_frame {
+            string.push_str(&"\n>\n".to_string());
+        }
+    }
+
+    string
+}
+
 fn tile_from_string(string: String) -> Tile {
     let mut lines: Vec<&str> = string.split("\n").collect();
 
@@ -223,21 +238,10 @@ fn test_tile_from_string() {
 }
 
 fn tile_to_string(tile: Tile) -> String {
-    let mut animation_frames = String::new();
-    let last_frame = tile.animation_frames.len() - 1;
-
-    for (i, frame) in tile.animation_frames.into_iter().enumerate() {
-        animation_frames.push_str(&image_to_string(frame));
-
-        if i < last_frame {
-            animation_frames.push_str(&"\n>\n".to_string());
-        }
-    }
-
     format!(
         "TIL {}\n{}{}{}",
         tile.id,
-        animation_frames,
+        animation_frames_to_string(tile.animation_frames),
         if tile.name.is_some() {format!("\nNAME {}", tile.name.unwrap())} else {"".to_string()},
         if tile.wall {"\nWAL true"} else {""}
     )
@@ -464,6 +468,17 @@ fn test_sprite_from_string() {
     assert_eq!(output, expected);
 }
 
+fn sprite_to_string(sprite: Sprite) -> String {
+    format!(
+        "SPR {}\n{}\n{}{}\nPOS {}",
+        sprite.id,
+        animation_frames_to_string(sprite.animation_frames),
+        if sprite.name.is_some() {format!("NAME {}", sprite.name.unwrap())} else {"".to_string()},
+        if sprite.dialogue.is_some() {format!("DLG {}", sprite.dialogue.unwrap())} else {"".to_string()},
+        position_to_string(sprite.position),
+    )
+}
+
 // fn game_from_string(game: String ) -> Game {
 //     // probably needs to split the game data into different segments starting from the end
 //     // e.g. VAR... then END... then DLG...