implement ToBase36 for u64; room id to u64; sprite id to u64; tile id to u64; sprite.dialogue -> sprite.dialogue_id

src/exit.rs

@@ -1,4 +1,4 @@
-use crate::{Position, from_base36, to_base36};
+use crate::{Position, from_base36, ToBase36};
 
 #[derive(Debug, Eq, PartialEq)]
 pub enum Transition {
@@ -74,7 +74,7 @@ impl ToString for Exit {
     fn to_string(&self) -> String {
         format!(
             "{} {}{}",
-            to_base36(self.room_id),
+            self.room_id.to_base36(),
             self.position.to_string(),
             self.effect.to_string()
         )