implement "crossover logic".

Makes it impossible that logical progression for a logic-having player is placed inside a no-logic world. All other placements remain available.

Rules.py

@@ -2,20 +2,24 @@ import collections
 import logging
 import OverworldGlitchRules
 from BaseClasses import RegionType, World, Entrance
-from Items import ItemFactory
+from Items import ItemFactory, progression_items, item_name_groups
 from OverworldGlitchRules import overworld_glitches_rules
 
 
 def set_rules(world, player):
     locality_rules(world, player)
     if world.logic[player] == 'nologic':
-        logging.getLogger('').info('WARNING! Seeds generated under this logic often require major glitches and may be impossible!')
+        logging.getLogger('').info(
+            'WARNING! Seeds generated under this logic often require major glitches and may be impossible!')
         world.get_region('Menu', player).can_reach_private = lambda state: True
         for exit in world.get_region('Menu', player).exits:
             exit.hide_path = True
         return
 
+    crossover_logic(world, player)
+
     global_rules(world, player)
+
     if world.mode[player] != 'inverted':
         default_rules(world, player)
 
@@ -148,6 +152,23 @@ def locality_rules(world, player):
                     forbid_item(location, item, player)
 
 
+def crossover_logic(world, player):
+    """ Simple and not graceful solution to logic loops if you mix no logic and logic.
+    Making it so that logical progression cannot be placed in no logic worlds."""
+    no_logic_players = set()
+    for other_player in world.player_ids:
+        if world.logic[other_player] == 'nologic':
+            no_logic_players.add(other_player)
+    if no_logic_players:
+        for location in world.get_locations():
+            if location.player in no_logic_players:
+                for item in progression_items:
+                    forbid_item(location, item, player)
+                for item in item_name_groups["Small Keys"]:
+                    forbid_item(location, item, player)
+                for item in item_name_groups["Big Keys"]:
+                    forbid_item(location, item, player)
+
 def global_rules(world, player):
     # ganon can only carry triforce
     add_item_rule(world.get_location('Ganon', player), lambda item: item.name == 'Triforce' and item.player == player)