some er layout group fixes

Main.py

@@ -34,13 +34,12 @@ def get_seed(seed=None):
     return seed
 
 
-seeds: Dict[tuple, str] = dict()
-
-
 def get_same_seed(world: World, seed_def: tuple) -> str:
+    seeds: Dict[tuple, str] = getattr(world, "__named_seeds", {})
     if seed_def in seeds:
         return seeds[seed_def]
     seeds[seed_def] = str(world.random.randint(0, 2 ** 64))
+    world.__named_seeds = seeds
     return seeds[seed_def]
 
 
@@ -117,9 +116,15 @@ def main(args, seed=None):
             world.shuffle[player] = shuffle
             if shuffle == "vanilla":
                 world.er_seeds[player] = "vanilla"
-            elif seed.startswith("team-"):
+            elif seed.startswith("group-"):  # renamed from team to group to not confuses with existing team name use
                 world.er_seeds[player] = get_same_seed(world, (shuffle, seed, world.retro[player], world.mode[player], world.logic[player]))
-            else:
+            elif seed.startswith("team-"):  # TODO: remove on breaking_changes
+                world.er_seeds[player] = get_same_seed(world, (shuffle, seed, world.retro[player], world.mode[player], world.logic[player]))
+            elif not args.race:
+                world.er_seeds[player] = seed
+            elif seed:  # race but with a set seed, ignore set seed and use group logic instead
+                world.er_seeds[player] = get_same_seed(world, (shuffle, seed, world.retro[player], world.mode[player], world.logic[player]))
+            else: # race but without a set seed
                 world.er_seeds[player] = seed
         elif world.shuffle[player] == "vanilla":
             world.er_seeds[player] = "vanilla"
@@ -293,7 +298,7 @@ def main(args, seed=None):
         apply_rom_settings(rom, args.heartbeep[player], args.heartcolor[player], args.quickswap[player],
                            args.fastmenu[player], args.disablemusic[player], args.sprite[player],
                            palettes_options, world, player, True,
-                           reduceflashing=args.reduceflashing[player] if not args.race else True,
+                           reduceflashing=args.reduceflashing[player] or args.race,
                            triforcehud=args.triforcehud[player])
 
         mcsb_name = ''

Utils.py

@@ -13,7 +13,7 @@ class Version(typing.NamedTuple):
     micro: int
 
 
-__version__ = "4.1.0"
+__version__ = "4.1.1"
 _version_tuple = tuplize_version(__version__)
 
 import os
@@ -54,7 +54,10 @@ def snes_to_pc(value):
 def parse_player_names(names, players, teams):
     names = tuple(n for n in (n.strip() for n in names.split(",")) if n)
     if len(names) != len(set(names)):
-        raise ValueError("Duplicate Player names is not supported.")
+        import collections
+        name_counter = collections.Counter(names)
+        raise ValueError(f"Duplicate Player names is not supported, "
+                         f'found multiple "{name_counter.most_common(1)[0][0]}".')
     ret = []
     while names or len(ret) < teams:
         team = [n[:16] for n in names[:players]]

playerSettings.yaml

@@ -90,6 +90,7 @@ entrance_shuffle: # Documentation: https://alttpr.com/en/options#entrance_shuffl
   # you can also define entrance shuffle seed, like so:
   crossed-1000: 0 # using this method, you can have the same layout as another player and share entrance information
   # however, many other settings like logic, world state, retro etc. may affect the shuffle result as well.
+  crossed-group-myfriends: 0 # using this method, everyone with "group-myfriends" will share the same seed
 goals:
   ganon: 50 # Climb GT, defeat Agahnim 2, and then kill Ganon
   fast_ganon: 0 # Only killing Ganon is required. However, items may still be placed in GT