From b051b3532b9e5ae0bf13ef636d5ccd2ab250b7f1 Mon Sep 17 00:00:00 2001
From: stop-x13 <stop.x13@gmail.com>
Date: Tue, 19 Aug 2025 22:10:09 +0800
Subject: [PATCH] Fix #231 #207 for 1.20.1

---
 .../IndustrialMixerBlock.java                 | 60 +++++++++++++++----
 .../IndustrialMixerBlockEntity.java           | 24 +++++---
 .../mixin/GoggleOverlayRendererMixin.java     |  6 +-
 3 files changed, 67 insertions(+), 23 deletions(-)

diff --git a/src/main/java/com/drmangotea/tfmg/content/machinery/vat/industrial_mixer/IndustrialMixerBlock.java b/src/main/java/com/drmangotea/tfmg/content/machinery/vat/industrial_mixer/IndustrialMixerBlock.java
index f3369ca8..70a651a2 100644
--- a/src/main/java/com/drmangotea/tfmg/content/machinery/vat/industrial_mixer/IndustrialMixerBlock.java
+++ b/src/main/java/com/drmangotea/tfmg/content/machinery/vat/industrial_mixer/IndustrialMixerBlock.java
@@ -6,9 +6,11 @@ import com.simibubi.create.content.kinetics.base.KineticBlock;
 import com.simibubi.create.foundation.block.IBE;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.world.Containers;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.LevelReader;
@@ -44,26 +46,58 @@ public class IndustrialMixerBlock extends KineticBlock implements IBE<Industrial
     }
 
     @Override
-    public InteractionResult use(BlockState state, Level level, BlockPos pos, Player player, InteractionHand hand, BlockHitResult result) {
-        if(hand == InteractionHand.OFF_HAND)
+    public InteractionResult use(BlockState state, Level level, BlockPos pos,
+                                 Player player, InteractionHand hand, BlockHitResult hit) {
+        if (hand == InteractionHand.OFF_HAND)
             return InteractionResult.PASS;
-        if(level.getBlockEntity(pos) instanceof IndustrialMixerBlockEntity be) {
-            ItemStack stack = player.getItemInHand(hand);
-            MixerMode mixerMode = be.mixerMode;
-            ItemStack stackInside = mixerMode.item;
-            if(stack.is(stackInside.getItem()))
-                return InteractionResult.PASS;
 
-            if(be.setMixerMode(stack, true)) {
+        if (!(level.getBlockEntity(pos) instanceof IndustrialMixerBlockEntity be))
+            return InteractionResult.PASS;
 
-                player.setItemInHand(hand, mixerMode.item);
-                be.setMixerMode(stack, false);
-                return InteractionResult.SUCCESS;
+        ItemStack held = player.getItemInHand(hand);
+        MixerMode current = be.mixerMode;
+        Item installedItem = current.item;
+
+        if (held.isEmpty() && installedItem != null) {
+            if (!level.isClientSide) {
+                ItemStack refund = new ItemStack(installedItem);
+                if (!player.addItem(refund)) {
+                    Containers.dropItemStack(level, player.getX(), player.getY(), player.getZ(), refund);
+                }
+                be.setMixerMode("none", false);
             }
+            return InteractionResult.sidedSuccess(level.isClientSide);
         }
-        return InteractionResult.PASS;
+
+        if (held.isEmpty())
+            return InteractionResult.PASS;
+
+        if (installedItem != null && held.getItem() == installedItem)
+            return InteractionResult.PASS;
+
+        if (!be.setMixerMode(held, true))
+            return InteractionResult.PASS;
+
+        if (!level.isClientSide) {
+            if (installedItem != null) {
+                ItemStack prev = new ItemStack(installedItem);
+                if (!player.addItem(prev)) {
+                    Containers.dropItemStack(level, player.getX(), player.getY(), player.getZ(), prev);
+                }
+            }
+
+            ItemStack toInstall = held.copy();
+            toInstall.setCount(1);
+            be.setMixerMode(toInstall, false);
+
+            held.shrink(1);
+        }
+
+        return InteractionResult.sidedSuccess(level.isClientSide);
     }
 
+
+
     @Override
     public void onPlace(BlockState state, Level pLevel, BlockPos pPos, BlockState pOldState, boolean pIsMoving) {
         VatBlock.updateVatState(state, pLevel, pPos.relative(Direction.DOWN));
diff --git a/src/main/java/com/drmangotea/tfmg/content/machinery/vat/industrial_mixer/IndustrialMixerBlockEntity.java b/src/main/java/com/drmangotea/tfmg/content/machinery/vat/industrial_mixer/IndustrialMixerBlockEntity.java
index 0bd4c811..ce736a5a 100644
--- a/src/main/java/com/drmangotea/tfmg/content/machinery/vat/industrial_mixer/IndustrialMixerBlockEntity.java
+++ b/src/main/java/com/drmangotea/tfmg/content/machinery/vat/industrial_mixer/IndustrialMixerBlockEntity.java
@@ -23,6 +23,7 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.world.Containers;
+import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
@@ -71,8 +72,9 @@ public class IndustrialMixerBlockEntity extends KineticBlockEntity implements IV
 
     }
     public void destroy() {
-        ItemStack mixerItem = mixerMode.item;
-        Containers.dropItemStack(getLevel(), getBlockPos().getX(), getBlockPos().getY(), getBlockPos().getZ(), mixerItem);
+        ItemStack toDrop = mixerMode.newStack(); // fresh instance every time
+        if (!toDrop.isEmpty())
+            Containers.dropItemStack(getLevel(), worldPosition.getX(), worldPosition.getY(), worldPosition.getZ(), toDrop);
     }
 
 
@@ -120,7 +122,7 @@ public class IndustrialMixerBlockEntity extends KineticBlockEntity implements IV
 
     public boolean setMixerMode(ItemStack modeItem, boolean simulate) {
         for (MixerMode mode : MixerMode.values()) {
-            if (mode.item.is(modeItem.getItem())) {
+            if (mode.item != null && mode.item == modeItem.getItem()) {
                 if (!simulate) {
                     mixerMode = mode;
                 } else return true;
@@ -163,15 +165,19 @@ public class IndustrialMixerBlockEntity extends KineticBlockEntity implements IV
     }
 
     enum MixerMode {
-        NONE("none", ItemStack.EMPTY),
-        MIXING("mixing", TFMGItems.MIXER_BLADE.asStack()),
-        CENTRIFUGE("centrifuge", TFMGItems.CENTRIFUGE.asStack());
+        NONE("none", null),
+        MIXING("mixing", TFMGItems.MIXER_BLADE.get()),
+        CENTRIFUGE("centrifuge", TFMGItems.CENTRIFUGE.get());
         public final String name;
-        public final ItemStack item;
+        public final Item item;
 
-        MixerMode(String name, ItemStack stack) {
+        MixerMode(String name, Item item) {
             this.name = name;
-            this.item = stack;
+            this.item = item;
+        }
+
+        public ItemStack newStack() {
+            return item == null ? ItemStack.EMPTY : new ItemStack(item);
         }
     }
 }
diff --git a/src/main/java/com/drmangotea/tfmg/mixin/GoggleOverlayRendererMixin.java b/src/main/java/com/drmangotea/tfmg/mixin/GoggleOverlayRendererMixin.java
index 18e54e87..95a4e409 100644
--- a/src/main/java/com/drmangotea/tfmg/mixin/GoggleOverlayRendererMixin.java
+++ b/src/main/java/com/drmangotea/tfmg/mixin/GoggleOverlayRendererMixin.java
@@ -63,7 +63,11 @@ public class GoggleOverlayRendererMixin {
         Minecraft mc = Minecraft.getInstance();
         ClientLevel world = mc.level;
         HitResult objectMouseOver = mc.hitResult;
-        BlockHitResult result = (BlockHitResult) objectMouseOver;
+        if (!(objectMouseOver instanceof BlockHitResult result)) {
+            tfmg$lastHovered = null;
+            tfmg$hoverTicks = 0;
+            return;
+        }
 
         BlockPos pos = result.getBlockPos();