Disable auth in singleplayer

common/src/main/java/org/samo_lego/simpleauth/mixin/MixinServerPlayerEntity.java

@@ -161,7 +161,9 @@ public class MixinServerPlayerEntity implements PlayerAuth {
      */
     @Override
     public boolean canSkipAuth() {
-        return PlatformSpecific.isPlayerFake(this.player) || (isUsingMojangAccount() && config.main.premiumAutologin);
+        return PlatformSpecific.isPlayerFake(this.player) ||
+        this.player.server.isSingleplayer() ||
+        (isUsingMojangAccount() && config.main.premiumAutologin);
     }
 
     /**

common/src/main/java/org/samo_lego/simpleauth/utils/PlayerAuth.java

@@ -54,7 +54,7 @@ public interface PlayerAuth {
     /**
      * Checks whether player is a fake player (from CarpetMod).
      *
-     * @return true if player is fake (can skip authentication process), otherwise false
+     * @return true if player is fake or in singleplayer (can skip authentication process), otherwise false
      * @see <a href="https://samolego.github.io/SimpleAuth/org/samo_lego/simpleauth/mixin/MixinPlayerEntity.html">See implementation</a>
      */
     boolean canSkipAuth();

gradle.properties

@@ -29,3 +29,5 @@ bytes_version = 1.3.0
 # Carpet for debugging
 carpet_core_version = 1.4.69+v220331
 carpet_branch = master
+
+org.gradle.jvmargs=-Xmx4G