1 files changed, 5 insertions, 6 deletions

diff --git a/src/main/java/gregtech/api/gui/GT_Container.java b/src/main/java/gregtech/api/gui/GT_Container.java
index 614d459cb9..8eb908ecae 100644
--- a/src/main/java/gregtech/api/gui/GT_Container.java
+++ b/src/main/java/gregtech/api/gui/GT_Container.java
@@ -124,7 +124,7 @@ public class GT_Container extends Container {
 
         if ((aShifthold == 0 || aShifthold == 1) && (aMouseclick == 0 || aMouseclick == 1)) {
             if (aSlotIndex == -999) {
-                if (aPlayerInventory.getItemStack() != null && aSlotIndex == -999) {
+                if (aPlayerInventory.getItemStack() != null) {
                     if (aMouseclick == 0) {
                         aPlayer.dropPlayerItemWithRandomChoice(aPlayerInventory.getItemStack(), true);
                         aPlayerInventory.setItemStack(null);
@@ -228,11 +228,11 @@ public class GT_Container extends Container {
                     var9 |= tTempStackSize > -1;
                 }
 
-                if (aSlot.getHasStack() && var9) {
+                if (var9 && aSlot.getHasStack()) {
                     aHoldStack = aSlot.getStack();
                     aPlayerInventory.setInventorySlotContents(aMouseclick, aHoldStack);
 
-                    if ((aSlot.inventory != aPlayerInventory || !aSlot.isItemValid(tTempStack)) && tTempStack != null) {
+                    if (tTempStack != null && (aSlot.inventory != aPlayerInventory || !aSlot.isItemValid(tTempStack))) {
                         if (tTempStackSize > -1) {
                             aPlayerInventory.addItemStackToInventory(tTempStack);
                             aSlot.decrStackSize(aHoldStack.stackSize);
@@ -244,7 +244,7 @@ public class GT_Container extends Container {
                         aSlot.putStack(tTempStack);
                         aSlot.onPickupFromSlot(aPlayer, aHoldStack);
                     }
-                } else if (!aSlot.getHasStack() && tTempStack != null && aSlot.isItemValid(tTempStack)) {
+                } else if (tTempStack != null && !aSlot.getHasStack() && aSlot.isItemValid(tTempStack)) {
                     aPlayerInventory.setInventorySlotContents(aMouseclick, (ItemStack) null);
                     aSlot.putStack(tTempStack);
                 }
@@ -267,8 +267,7 @@ public class GT_Container extends Container {
 
         mTileEntity.markDirty();
 
-        //null checks and checks if the item can be stacked (maxStackSize > 1)
-        if (getSlotCount() > 0 && slotObject != null && slotObject.getHasStack() && !(slotObject instanceof GT_Slot_Holo)) {
+        if (getSlotCount() > 0 && !(slotObject instanceof GT_Slot_Holo) && slotObject.getHasStack()) {
             ItemStack stackInSlot = slotObject.getStack();
             stack = GT_Utility.copy(stackInSlot);