[Runescape] Add Stryke the Wyrm wilderness event

runescape/wilderness.py

@@ -7,42 +7,48 @@
 class WildernessFlashEvents(Enum):
     spider_swarm = 0
     unnatural_outcrop = 1
-    demon_stragglers = 2
-    butterfly_swarm = 3
-    king_black_dragon_rampage = 4
-    forgotten_soldiers = 5
-    surprising_seedlings = 6
-    hellhound_pack = 7
-    infernal_star = 8
-    lost_souls = 9
-    ramokee_incursion = 10
-    displaced_energy = 11
-    evil_bloodwood_tree = 12
+    stryke_the_wyrm = 2
+    demon_stragglers = 3
+    butterfly_swarm = 4
+    king_black_dragon_rampage = 5
+    forgotten_soldiers = 6
+    surprising_seedlings = 7
+    hellhound_pack = 8
+    infernal_star = 9
+    lost_souls = 10
+    ramokee_incursion = 11
+    displaced_energy = 12
+    evil_bloodwood_tree = 13
 
     def __str__(self):
         return self.name.replace("_", " ").title()
 
+    def __len__(self):
+        return len(WildernessFlashEvents)
+
     @property
     def special(self):
         return self in (
+            WildernessFlashEvents.stryke_the_wyrm,
             WildernessFlashEvents.king_black_dragon_rampage,
             WildernessFlashEvents.infernal_star,
             WildernessFlashEvents.evil_bloodwood_tree,
         )
 
     def get_next(self, today: datetime) -> datetime:
         # represents the hours since the first spider swarm
-        # we add 10 hours because the first spiderswarm in relation to the Runedate
-        # is 10 hours after
-        hours_since = int((int((today - RUNEDATE_EPOCH).total_seconds()) / 3600)) + 10
+        # we add 14 hours because the first spiderswarm in relation to the Runedate
+        # is 14 hours after
+        # this offset needs to be adjusted since the addition of the stryke the wyrm event
+        hours_since = int((int((today - RUNEDATE_EPOCH).total_seconds()) / 3600)) + 14
         # the offset mapping how many hours until this even should be next
-        offset = hours_since % 13
-        # the number of hours until this event should be nect
+        offset = hours_since % len(self)
+        # the number of hours until this event should be next
         hour = self.value - offset
         # Since the hour can be in the past and we don't care about the past
-        # we add 13 hours, the total number of events.
+        # we add the total number of events.
         if hour < 0:
-            hour += 13
+            hour += len(self)
         # add 1 hour because it's off by 1 hour
         next_event = today + timedelta(hours=hour + 1)
         return next_event