Added supported features to not polute traits

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

generateMojang.py

@@ -35,6 +35,7 @@ from meta.model.mojang import (
     MojangVersion,
     LegacyOverrideIndex,
     LibraryPatches,
+    SUPPORTED_FEATURES,
 )
 
 APPLY_SPLIT_NATIVES_WORKAROUND = True
@@ -198,22 +199,20 @@ def adapt_new_style_arguments(arguments):
             pprint(arg)
     return " ".join(foo)
 
+
 def adapt_new_style_arguments_to_traits(arguments):
     foo = []
     # we ignore the jvm arguments entirely.
     # grab the object, log the errors
     for arg in arguments.game:
-        if not isinstance(arg, str):
-            try:
-                for rule in arg["rules"]:
-                    for k,v in rule["features"].items():
-                        if rule["action"] == "allow" and v:
-                            foo.append(f"feature:{k}")
-            except:
-                print("something did not go as planed")
-                pprint(arg)
+        if isinstance(arg, dict):
+            for rule in arg["rules"]:
+                for k, v in rule["features"].items():
+                    if rule["action"] == "allow" and v and k in SUPPORTED_FEATURES:
+                        foo.append(f"feature:{k}")
     return foo
 
+
 def is_macos_only(rules: Optional[MojangRules]):
     allows_osx = False
     allows_all = False
@@ -503,7 +502,9 @@ def main():
             v.minecraft_arguments = adapt_new_style_arguments(mojang_version.arguments)
             if not v.additional_traits:
                 v.additional_traits = []
-            v.additional_traits.extend(adapt_new_style_arguments_to_traits(mojang_version.arguments))
+            v.additional_traits.extend(
+                adapt_new_style_arguments_to_traits(mojang_version.arguments)
+            )
         out_filename = os.path.join(
             LAUNCHER_DIR, MINECRAFT_COMPONENT, f"{v.version}.json"
         )

meta/model/mojang.py

@@ -18,6 +18,7 @@ SUPPORTED_LAUNCHER_VERSION = 21
 SUPPORTED_COMPLIANCE_LEVEL = 1
 DEFAULT_JAVA_MAJOR = 8  # By default, we should recommend Java 8 if we don't know better
 COMPATIBLE_JAVA_MAPPINGS = {16: [17]}
+SUPPORTED_FEATURES = ["is_quick_play_multiplayer"]
 
 """
 Mojang index files look like this: