remove numeric check and just do sprites in the order that they were imported

src/game.rs

@@ -1,4 +1,4 @@
-use crate::{Dialogue, Ending, Font, Item, Palette, Room, Sprite, TextDirection, Tile, ToBase36, Variable, transform_line_endings, segments_from_string, is_string_numeric, to_base36, from_base36};
+use crate::{Dialogue, Ending, Font, Item, Palette, Room, Sprite, TextDirection, Tile, ToBase36, Variable, transform_line_endings, segments_from_string, to_base36, from_base36};
 use std::error::Error;
 use loe::TransformMode;
 use std::str::FromStr;
@@ -267,15 +267,7 @@ impl ToString for Game {
         }
 
         for sprite in &self.sprites {
-            if is_string_numeric(sprite.id.clone()) {
+            segments.push(sprite.to_string());
-                segments.push(sprite.to_string());
-            }
-        }
-
-        for sprite in &self.sprites {
-            if !is_string_numeric(sprite.id.clone()) {
-                segments.push(sprite.to_string());
-            }
         }
 
         for item in &self.items {

src/lib.rs

@@ -143,19 +143,6 @@ fn segments_from_string(string: String) -> Vec<String> {
     output
 }
 
-/// for some reason the sprites with numeric IDs go first,
-/// then SPR A (avatar), then all the non-numeric IDs
-#[inline]
-fn is_string_numeric(str: String) -> bool {
-    for c in str.chars() {
-        if !c.is_numeric() {
-            return false;
-        }
-    }
-
-    return true;
-}
-
 /// e.g. pass all tile IDs into this to get a new non-conflicting tile ID
 #[inline]
 fn new_unique_id(ids: Vec<String>) -> String {