adjusting to 1.16

src/main/java/carpet/fakes/MemoryInterface.java

@@ -0,0 +1,6 @@
+package carpet.fakes;
+
+public interface MemoryInterface
+{
+    long getScarpetExpiry();
+}

src/main/java/carpet/mixins/Memory_scarpetMixin.java

@@ -0,0 +1,18 @@
+package carpet.mixins;
+
+import carpet.fakes.MemoryInterface;
+import net.minecraft.entity.ai.brain.Memory;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+
+@Mixin(Memory.class)
+public class Memory_scarpetMixin implements MemoryInterface
+{
+    @Shadow private long expiry;
+
+    @Override
+    public long getScarpetExpiry()
+    {
+        return expiry;
+    }
+}

src/main/java/carpet/mixins/VillagerEntity_aiMixin.java

@@ -1,6 +1,7 @@
 package carpet.mixins;
 
 import carpet.fakes.BrainInterface;
+import carpet.fakes.MemoryInterface;
 import carpet.helpers.ParticleDisplay;
 import carpet.utils.Messenger;
 import carpet.utils.MobAI;
@@ -69,8 +70,7 @@ public abstract class VillagerEntity_aiMixin extends AbstractTraderEntity
             }
             else
             {
-                String serialized = last_seen.get().toString();
-                time = Integer.parseInt(serialized.substring(11, serialized.length()-1));
+                time = ((MemoryInterface)last_seen.get()).getScarpetExpiry();
             }
             boolean recentlySeen = time > 0;
             Optional<Long> optional_11 = this.brain.getOptionalMemory(MemoryModuleType.LAST_SLEPT);

src/main/java/carpet/script/value/EntityValue.java

@@ -1,8 +1,10 @@
 package carpet.script.value;
 
+import carpet.fakes.BrainInterface;
 import carpet.fakes.EntityInterface;
 import carpet.fakes.ItemEntityInterface;
 import carpet.fakes.LivingEntityInterface;
+import carpet.fakes.MemoryInterface;
 import carpet.fakes.MobEntityInterface;
 import carpet.fakes.HungerManagerInterface;
 import carpet.helpers.Tracer;
@@ -13,6 +15,8 @@ import carpet.script.argument.Vector3Argument;
 import carpet.script.exception.InternalExpressionException;
 import com.mojang.brigadier.StringReader;
 import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import net.minecraft.entity.ai.brain.Brain;
+import net.minecraft.entity.ai.brain.Memory;
 import net.minecraft.entity.ai.brain.MemoryModuleType;
 import net.minecraft.entity.ai.pathing.Path;
 import net.minecraft.nbt.StringTag;
@@ -350,9 +354,12 @@ public class EntityValue extends Value
             if (e instanceof LivingEntity)
             {
                 LivingEntity livingEntity = (LivingEntity)e;
-                Optional<?> memory = livingEntity.getBrain().getOptionalMemory(moduleType);
-                if (memory==null || !memory.isPresent()) return Value.NULL;
-                return ValueConversions.fromEntityMemory(e, memory.get());
+                Brain<?> brain = livingEntity.getBrain();
+                Map<MemoryModuleType<?>, Optional<? extends Memory<?>>> memories = ((BrainInterface)brain).getMobMemories();
+                Optional<? extends Memory<?>> optmemory = memories.get(moduleType);
+                if (optmemory==null || !optmemory.isPresent()) return Value.NULL;
+                Memory<?> memory = optmemory.get();
+                return ValueConversions.fromTimedMemory(e, ((MemoryInterface)memory).getScarpetExpiry(), memory.getValue());
             }
             return Value.NULL;
         });

src/main/java/carpet/script/value/ValueConversions.java

@@ -70,7 +70,14 @@ public class ValueConversions
         return ListValue.wrap(nodes);
     }
 
-    public static Value fromEntityMemory(Entity e, Object v)
+    public static Value fromTimedMemory(Entity e, long expiry, Object v)
+    {
+        Value ret = fromEntityMemory(e, v);
+        if (ret == Value.NULL || expiry == Long.MAX_VALUE) return ret;
+        return ListValue.of(ret, new NumericValue(expiry));
+    }
+
+    private static Value fromEntityMemory(Entity e, Object v)
     {
         if (v instanceof GlobalPos)
         {

src/main/resources/carpet.mixins.json

@@ -56,6 +56,7 @@
 
     "VillagerEntity_aiMixin",
     "Brain_Mixin",
+    "Memory_scarpetMixin",
 
     "ServerWorld_fakePlayersMixin",
     "ThrownEnderpearlEntity_fakePlayersMixin",