Functional Saving and Loading

Celestial Events now save and load their Activity Status from NBT, meaning that their Activity gets preserved after closing the Game.
Added Initialization Logic to ensure correct Loading of NBT Data when the Game is started.

Author: Atilist

station-world-events-v0/src/main/java/net/modificationstation/stationapi/api/celestial/CelestialEvent.java

@@ -16,6 +16,7 @@ public class CelestialEvent {
     private int endingDaytime = 0;
     private int extraDays = 0;
     private boolean active;
+    private boolean initializationNeeded = true;
     private final List<CelestialEvent> incompatibleEvents = new LinkedList<>();
     public final World world;
 
@@ -71,25 +72,32 @@ public void onDeactivation() {
     }
 
     public void updateEvent(long worldTime) {
-        /*
-        This piece of code for saving the activity state should probably be moved somewhere else. It is also incomplete and not fully functional
         CelestialEventActivityState activityState = (CelestialEventActivityState) this.world.getOrCreateState(CelestialEventActivityState.class, this.name);
-        if (activityState == null) {
-            activityState = new CelestialEventActivityState(this.name);
-            this.world.setState(this.name, activityState);
-            System.out.println("Did not find activity state");
-        } else {
-            System.out.println("Found existing activity state");
+        if (initializationNeeded) {
+            activityState = initializeEvent(activityState);
         }
-         */
         if (!active) return;
         worldTime -= startingDaytime;
         worldTime += endingDaytime;
         long days = worldTime / dayLength + dayOffset;
         active = days % frequency <= extraDays;
+        activityState.active = active;
+        activityState.markDirty();
         if (!active) onDeactivation();
     }
 
+    private CelestialEventActivityState initializeEvent(CelestialEventActivityState activityState) {
+        initializationNeeded = false;
+        activityState = (CelestialEventActivityState) this.world.getOrCreateState(CelestialEventActivityState.class, this.name);
+        if (activityState == null) {
+            activityState = new CelestialEventActivityState(this.name);
+            this.world.setState(this.name, activityState);
+        } else {
+            active = activityState.active;
+        }
+        return activityState;
+    }
+
     public void stopEvent() {
         onDeactivation();
         if (active) {