other features

src/main/java/carpet/mixins/ServerWorld_onePlayerSleepingMixin.java

@@ -0,0 +1,54 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.server.world.ServerWorld;
+import org.spongepowered.asm.mixin.Final;
+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.Redirect;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import java.util.List;
+import java.util.function.Predicate;
+import java.util.stream.Stream;
+
+@Mixin(ServerWorld.class)
+public class ServerWorld_onePlayerSleepingMixin
+{
+    @Shadow @Final private List<ServerPlayerEntity> players;
+
+    @Shadow private boolean allPlayersSleeping;
+
+    @Inject(method = "updatePlayersSleeping", cancellable = true, at = @At("HEAD"))
+    private void updateOnePlayerSleeping(CallbackInfo ci)
+    {
+        if(CarpetSettings.getBool("onePlayerSleeping"))
+        {
+            allPlayersSleeping = false;
+            for (ServerPlayerEntity p : players)
+                if (!p.isSpectator() && p.isSleeping())
+                {
+                    allPlayersSleeping = true;
+                    ci.cancel();
+                    return;
+                }
+            ci.cancel();
+        }
+    }
+
+    @Redirect(method = "tick", at = @At(
+            value = "INVOKE",
+            target = "Ljava/util/stream/Stream;noneMatch(Ljava/util/function/Predicate;)Z"
+    ))
+    private boolean noneMatchSleep(Stream<ServerPlayerEntity> stream, Predicate<ServerPlayerEntity> predicate)
+    {
+        if (CarpetSettings.getBool("onePlayerSleeping"))
+            return stream.anyMatch((p) -> !p.isSpectator() && p.isSleepingLongEnough());
+        return stream.noneMatch(predicate);
+    }
+
+}