Add schedules and output as blueprint book

examples/train_blueprint.rs

@@ -1,9 +1,39 @@
-use factorio_blueprint::blueprint::{train::generate_train, BlueprintString};
+use factorio_blueprint::blueprint::{
+    train::generate_train, BlueprintBook, BlueprintBookEntry, BlueprintString,
+};
 
 fn main() {
-    let b = generate_train(2, 4, true, true);
+    let layouts = [
+        (1, 1),
+        (1, 2),
+        (1, 4),
+        (2, 4),
+        (1, 8),
+        (2, 8),
+        (3, 8),
+        (4, 8),
+    ];
 
-    let b = BlueprintString::Blueprint(b);
+    let mut b = Vec::new();
+
+    for (i, (locomotives, wagons)) in layouts.into_iter().enumerate() {
+        b.push(BlueprintBookEntry::new(
+            BlueprintString::Blueprint(generate_train(locomotives, wagons, true, false)),
+            i as u32 * 2,
+        ));
+        b.push(BlueprintBookEntry::new(
+            BlueprintString::Blueprint(generate_train(locomotives, wagons, true, true)),
+            i as u32 * 2 + 1,
+        ));
+    }
+
+    let b = BlueprintString::BlueprintBook(
+        BlueprintBook::builder()
+            .blueprints(b)
+            .active_index(0)
+            .version(562949954797573)
+            .build(),
+    );
 
     println!("{}", serde_json::to_string_pretty(&b).unwrap());