Extract Seed and AppSettings to utils

src/utils/seed.rs

@@ -0,0 +1,22 @@
+use std::hash::{DefaultHasher, Hash, Hasher};
+
+use bevy::prelude::*;
+
+#[derive(Clone, Resource)]
+pub struct Seed(u64);
+
+impl From<String> for Seed {
+    fn from(value: String) -> Self {
+        Self(value.parse::<u64>().unwrap_or_else(|_| {
+            let mut state = DefaultHasher::new();
+            value.hash(&mut state);
+            state.finish()
+        }))
+    }
+}
+
+impl From<Seed> for [u8; 8] {
+    fn from(value: Seed) -> Self {
+        value.0.to_le_bytes()
+    }
+}