Freeze fake players during tick freeze

Closes #1691

src/main/java/carpet/fakes/EntityInterface.java

@@ -1,6 +1,9 @@
 package carpet.fakes;
 
+import java.util.stream.Stream;
+
 import carpet.script.EntityEventsGroup;
+import net.minecraft.world.entity.Entity;
 
 public interface EntityInterface
 {
@@ -19,4 +22,5 @@ public interface EntityInterface
     int getPublicNetherPortalCooldown();
     void setPublicNetherPortalCooldown(int what);
 
+    Stream<Entity> cm$getIndirectPassengersStream();
 }

src/main/java/carpet/mixins/EntityMixin.java

@@ -6,6 +6,9 @@ import net.minecraft.util.Mth;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.LivingEntity;
 import net.minecraft.world.level.Level;
+
+import java.util.stream.Stream;
+
 import org.jetbrains.annotations.Nullable;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -37,4 +40,13 @@ public abstract class EntityMixin implements EntityInterface
     {
         if (getControllingPassenger() instanceof EntityPlayerMPFake) cir.setReturnValue(!level.isClientSide());
     }
+
+    @Shadow
+    protected abstract Stream<Entity> getIndirectPassengersStream();
+
+    @Override
+    public Stream<Entity> cm$getIndirectPassengersStream()
+    {
+        return this.getIndirectPassengersStream();
+    }
 }

src/main/java/carpet/mixins/TickRateManager_fakePlayersMixin.java

@@ -0,0 +1,26 @@
+package carpet.mixins;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+
+import com.llamalad7.mixinextras.injector.ModifyReturnValue;
+
+import carpet.fakes.EntityInterface;
+import carpet.patches.EntityPlayerMPFake;
+import net.minecraft.world.TickRateManager;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.player.Player;
+
+@Mixin(TickRateManager.class)
+abstract class TickRateManager_fakePlayersMixin {
+    @Shadow
+    abstract boolean runsNormally();
+
+    @ModifyReturnValue(method = "isEntityFrozen", at = @At("TAIL"))
+    private boolean handler(boolean alreadyFrozen, Entity entity) {
+        if (alreadyFrozen) return true;
+        return !runsNormally() && (entity instanceof EntityPlayerMPFake)
+                && !((EntityInterface) entity).cm$getIndirectPassengersStream().anyMatch(e -> e instanceof Player && !(e instanceof EntityPlayerMPFake));
+    }
+}

src/main/resources/carpet.mixins.json

@@ -49,6 +49,7 @@
     "MobMixin",
     "Villager_aiMixin",
     "Player_fakePlayersMixin",
+    "TickRateManager_fakePlayersMixin",
     "ServerGamePacketListenerImpl_coreMixin",
     "MinecraftServer_scarpetMixin",
     "ExperienceOrb_xpNoCooldownMixin",