feat: offlineFakePlayers

src/main/java/com/github/zly2006/carpetslsaddition/SLSCarpetSettings.java

@@ -1,11 +1,9 @@
 package com.github.zly2006.carpetslsaddition;
 
-import carpet.CarpetSettings;
-import carpet.api.settings.CarpetRule;
 import carpet.api.settings.Rule;
 import carpet.api.settings.RuleCategory;
 
-import static com.github.zly2006.carpetslsaddition.ServerMain.*;
+import static com.github.zly2006.carpetslsaddition.ServerMain.CARPET_ID;
 
 public class SLSCarpetSettings {
     @Rule(categories = {CARPET_ID})
@@ -20,4 +18,6 @@ public class SLSCarpetSettings {
     public static boolean autoUrl = false;
     @Rule(categories = {CARPET_ID})
     public static boolean noBatSpawning = false;
+    @Rule(categories = {CARPET_ID})
+    public static boolean offlineFakePlayers = false;
 }

src/main/java/com/github/zly2006/carpetslsaddition/mixin/MixinFakePlayer.java

@@ -0,0 +1,25 @@
+package com.github.zly2006.carpetslsaddition.mixin;
+
+import carpet.patches.EntityPlayerMPFake;
+import com.github.zly2006.carpetslsaddition.SLSCarpetSettings;
+import com.mojang.authlib.GameProfile;
+import net.minecraft.util.UserCache;
+import net.minecraft.util.dynamic.DynamicSerializableUuid;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import java.util.Optional;
+import java.util.UUID;
+
+@Mixin(value = EntityPlayerMPFake.class)
+public class MixinFakePlayer {
+    @Redirect(method = "createFake", at = @At(value = "INVOKE", target = "Lnet/minecraft/util/UserCache;findByName(Ljava/lang/String;)Ljava/util/Optional;"))
+    private static Optional<GameProfile> onCreate(UserCache instance, String name) {
+        if (SLSCarpetSettings.offlineFakePlayers) {
+            UUID uuid = DynamicSerializableUuid.getOfflinePlayerUuid(name);
+            return Optional.of(new GameProfile(uuid, name));
+        }
+        return instance.findByName(name);
+    }
+}