From 16a0b9f791cde7a05efcef8c53923df8b0738ff4 Mon Sep 17 00:00:00 2001
From: Apertyotis <1947517504@qq.com>
Date: Sun, 21 Jun 2026 15:19:47 +0800
Subject: [PATCH] max stack size

---
 .../kinetics/millstone/MillstoneBlockEntity.java       | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/simibubi/create/content/kinetics/millstone/MillstoneBlockEntity.java b/src/main/java/com/simibubi/create/content/kinetics/millstone/MillstoneBlockEntity.java
index cc8a5aae75..4bdb49295f 100644
--- a/src/main/java/com/simibubi/create/content/kinetics/millstone/MillstoneBlockEntity.java
+++ b/src/main/java/com/simibubi/create/content/kinetics/millstone/MillstoneBlockEntity.java
@@ -18,6 +18,7 @@
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction.Axis;
 import net.minecraft.core.HolderLookup;
+import net.minecraft.core.component.DataComponents;
 import net.minecraft.core.particles.ItemParticleOption;
 import net.minecraft.core.particles.ParticleTypes;
 import net.minecraft.nbt.CompoundTag;
@@ -89,10 +90,13 @@ public void tick() {
 
 		if (getSpeed() == 0)
 			return;
-		for (int i = 0; i < outputInv.getSlots(); i++)
-			if (outputInv.getStackInSlot(i)
-				.getCount() == outputInv.getSlotLimit(i))
+		for (int i = 0; i < outputInv.getSlots(); i++) {
+			ItemStack stackIn = outputInv.getStackInSlot(i);
+			if (!stackIn.isEmpty() && stackIn.getCount() >= Math.min(outputInv.getSlotLimit(i),
+				stackIn.getOrDefault(DataComponents.MAX_STACK_SIZE, 64))) {
 				return;
+			}
+		}
 
 		if (timer > 0) {
 			timer -= getProcessingSpeed();