First pass on boss randomization

source/dungeon/RoomObject.py

@@ -22,6 +22,17 @@ class RoomObject:
     def write_to_rom(self, rom):
         rom.write_bytes(snes_to_pc(self.address), self.data)
 
+    # subtype 3 only?
+    def matches_oid(self, oid):
+        my_oid = (self.data[2] << 4) | ((self.data[1] & 3) << 2) | (self.data[0] & 3)
+        return my_oid == oid
+
+    @staticmethod
+    def subtype3_factory(x, y, type_id):
+        return RoomObject(None, [((x << 2) & 0xFC) | (type_id & 0x3),
+                                 ((y << 2) & 0xFC) | ((type_id >> 2) & 0x3),
+                                 0xF0 | ((type_id >> 4) & 0xF)])
+
 
 class DoorObject: