Fix MC-145260

README.md

@@ -14,6 +14,7 @@ Whiteout is an attempt to implement the gameplay and mechanic consistency patche
 | [MC-108513](https://bugs.mojang.com/browse/MC-108513) | Paper           | ❌                  | End crystal did not spawn/despawn correct after enderdragon respawned                                                                             |
 | [MC-123450](https://bugs.mojang.com/browse/MC-123450) | Paper           | ✔️                 | Item frames play sounds when the item within them is read from NBT                                                                                |
 | [MC-123848](https://bugs.mojang.com/browse/MC-123848) | Paper           | ✔️                 | Item frames (and items within) when removed from a ceiling, drop atop, not under, the block                                                       |
+| [MC-145260](https://bugs.mojang.com/browse/MC-145260) | Paper           | ❌                  | Whitelist on state inconsistency                                                                                                                  |
 | [MC-147659](https://bugs.mojang.com/browse/MC-147659) | Paper           | ❌                  | Some witch huts spawn the incorrect cat                                                                                                           |
 | [MC-153086](https://bugs.mojang.com/browse/MC-153086) | Paper           | ✔️                 | Beacons always play deactivating sound when broken, even when not powered                                                                         |
 | [MC-157464](https://bugs.mojang.com/browse/MC-157464) | Paper           | ✔️                 | Villagers move around in bed or even leave the bed when food is thrown at them                                                                    |

src/main/java/io/github/rektroth/whiteout/mixin/mc145260/MinecraftServerMixin.java

@@ -0,0 +1,34 @@
+/*
+ * Patch for MC-145260
+ *
+ * Authored for CraftBukkit/Spigot by Aikar <[email protected]> on March 2, 2019.
+ * Ported to Fabric by Rektroth <[email protected]> on October 13, 2024.
+ */
+
+package io.github.rektroth.whiteout.mixin.mc145260;
+
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.PlayerManager;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(MinecraftServer.class)
+public abstract class MinecraftServerMixin {
+    @Shadow
+    private boolean enforceWhitelist;
+
+    @Shadow
+    private PlayerManager playerManager;
+
+    /**
+     * Modifies the target method to return {@code true} only if the whitelist is also enabled.
+     * @param cir The return callback.
+     */
+    @Inject(at = @At("RETURN"), cancellable = true, method = "isEnforceWhitelist")
+    private void isEnforceWhitelistAndWhitelistEnabled(CallbackInfoReturnable<Boolean> cir) {
+        cir.setReturnValue(this.enforceWhitelist && this.playerManager.isWhitelistEnabled());
+    }
+}

src/main/resources/assets/whiteout/whiteout-mixin-config-default.properties

@@ -9,6 +9,7 @@ mc84789=true
 mc108513=false
 mc123450=true
 mc123848=true
+mc145260=false
 mc147659=false
 mc153086=true
 mc157464=true

src/main/resources/whiteout.mixins.json

@@ -17,6 +17,7 @@
     "mc108513.EndSpikeFeatureMixin",
     "mc123450.ItemFrameEntityMixin",
     "mc123848.ItemFrameEntityMixin",
+    "mc145260.MinecraftServerMixin",
     "mc147659.CatSpawnMixin",
     "mc153086.BeaconBlockEntityMixin",
     "mc157464.VillagerTaskListProviderMixin",