Java Code Examples for net.minecraft.inventory.Slot#onPickupFromSlot()
The following examples show how to use
net.minecraft.inventory.Slot#onPickupFromSlot() .
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Example 1
Source File: ContainerGarden.java From GardenCollection with MIT License | 5 votes |
@Override public ItemStack transferStackInSlot (EntityPlayer player, int slotIndex) { ItemStack itemStack = null; Slot slot = (Slot) inventorySlots.get(slotIndex); // Assume inventory and hotbar slot IDs are contiguous int inventoryStart = playerSlots.get(0).slotNumber; int hotbarStart = hotbarSlots.get(0).slotNumber; int hotbarEnd = hotbarSlots.get(hotbarSlots.size() - 1).slotNumber + 1; if (slot != null && slot.getHasStack()) { ItemStack slotStack = slot.getStack(); itemStack = slotStack.copy(); // Try merge stacks within inventory and hotbar spaces if (slotIndex >= inventoryStart && slotIndex < hotbarEnd) { if (slotIndex >= inventoryStart && slotIndex < hotbarStart) { if (!mergeItemStack(slotStack, hotbarStart, hotbarEnd, false)) return null; } else if (slotIndex >= hotbarStart && slotIndex < hotbarEnd && !this.mergeItemStack(slotStack, inventoryStart, hotbarStart, false)) return null; } // Try merge stack into inventory else if (!mergeItemStack(slotStack, inventoryStart, hotbarEnd, false)) return null; if (slotStack.stackSize == 0) slot.putStack(null); else slot.onSlotChanged(); if (slotStack.stackSize == itemStack.stackSize) return null; slot.onPickupFromSlot(player, slotStack); } return itemStack; }
Example 2
Source File: ContainerProgrammableController.java From PneumaticCraft with GNU General Public License v3.0 | 5 votes |
@Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 5) { if(!mergeItemStack(var5, 5, 40, false)) return null; var4.onSlotChange(var5, var3); } else if(te.isItemValidForSlot(0, var3)) { if(!mergeItemStack(var5, 0, 1, false)) return null; var4.onSlotChange(var5, var3); } else if(var3.getItem() == Itemss.machineUpgrade) { if(!mergeItemStack(var5, 1, 5, false)) return null; var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 3
Source File: ContainerUniversalSensor.java From PneumaticCraft with GNU General Public License v3.0 | 5 votes |
/** * @param itemStack * ItemStack to merge into inventory * @param start * minimum slot to attempt fill * @param end * maximum slot to attempt fill * @param backwards * go backwards * @return true if stacks merged successfully public boolean * mergeItemStack(itemStack, start, end, backwards) */ @Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 4) { if(!mergeItemStack(var5, 4, 39, false)) return null; var4.onSlotChange(var5, var3); } else if(var3.getItem() == Itemss.machineUpgrade || var3.getItem() == Itemss.GPSTool) { if(!mergeItemStack(var5, 0, 4, false)) return null; var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 4
Source File: ContainerPneumaticGenerator.java From PneumaticCraft with GNU General Public License v3.0 | 5 votes |
/** * @param itemStack * ItemStack to merge into inventory * @param start * minimum slot to attempt fill * @param end * maximum slot to attempt fill * @param backwards * go backwards * @return true if stacks merged successfully public boolean * mergeItemStack(itemStack, start, end, backwards) */ @Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 4) { if(!mergeItemStack(var5, 4, 39, false)) return null; var4.onSlotChange(var5, var3); } else if(var3.getItem() == Itemss.machineUpgrade) { if(!mergeItemStack(var5, 0, 4, false)) return null; var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 5
Source File: ContainerElectricCompressor.java From PneumaticCraft with GNU General Public License v3.0 | 5 votes |
/** * @param itemStack * ItemStack to merge into inventory * @param start * minimum slot to attempt fill * @param end * maximum slot to attempt fill * @param backwards * go backwards * @return true if stacks merged successfully public boolean * mergeItemStack(itemStack, start, end, backwards) */ @Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 4) { if(!mergeItemStack(var5, 4, 39, false)) return null; var4.onSlotChange(var5, var3); } else if(var3.getItem() == Itemss.machineUpgrade || PneumaticCraftUtils.isIC2Upgrade(var3.getItem())) { if(!mergeItemStack(var5, 0, 4, false)) return null; var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 6
Source File: ContainerSecurityStationInventory.java From PneumaticCraft with GNU General Public License v3.0 | 5 votes |
/** * @param itemStack * ItemStack to merge into inventory * @param start * minimum slot to attempt fill * @param end * maximum slot to attempt fill * @param backwards * go backwards * @return true if stacks merged successfully public boolean * mergeItemStack(itemStack, start, end, backwards) */ @Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 39) { if(!mergeItemStack(var5, 39, 74, false)) return null; var4.onSlotChange(var5, var3); } else { if(var3.getItem() == Itemss.machineUpgrade) { if(!mergeItemStack(var5, 35, 39, false)) return null; } else if(var3.getItem() == Itemss.networkComponent) { if(!mergeItemStack(var5, 0, 35, false)) return null; } var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 7
Source File: ContainerVacuumPump.java From PneumaticCraft with GNU General Public License v3.0 | 5 votes |
/** * @param itemStack * ItemStack to merge into inventory * @param start * minimum slot to attempt fill * @param end * maximum slot to attempt fill * @param backwards * go backwards * @return true if stacks merged successfully public boolean * mergeItemStack(itemStack, start, end, backwards) */ @Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 4) { if(!mergeItemStack(var5, 4, 39, false)) return null; var4.onSlotChange(var5, var3); } else if(var3.getItem() == Itemss.machineUpgrade) { if(!mergeItemStack(var5, 0, 4, false)) return null; var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 8
Source File: ContainerAirCannon.java From PneumaticCraft with GNU General Public License v3.0 | 5 votes |
/** * @param itemStack * ItemStack to merge into inventory * @param start * minimum slot to attempt fill * @param end * maximum slot to attempt fill * @param backwards * go backwards * @return true if stacks merged successfully public boolean * mergeItemStack(itemStack, start, end, backwards) */ @Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 6) { if(!mergeItemStack(var5, 6, 41, false)) return null; var4.onSlotChange(var5, var3); } else { if(var3.getItem() == Itemss.GPSTool) { if(!mergeItemStack(var5, 1, 2, false)) return null; } else if(var3.getItem() == Itemss.machineUpgrade) { if(!mergeItemStack(var5, 2, 6, false)) return null; } else { if(!mergeItemStack(var5, 0, 1, false)) return null; } var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 9
Source File: ContainerProgrammer.java From PneumaticCraft with GNU General Public License v3.0 | 5 votes |
@Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 == 0) { if(!mergeItemStack(var5, 1, 36, false)) return null; var4.onSlotChange(var5, var3); } else if(isProgrammableItem(var3)) { if(!mergeItemStack(var5, 0, 1, false)) return null; var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 10
Source File: ContainerThermopneumaticProcessingPlant.java From PneumaticCraft with GNU General Public License v3.0 | 5 votes |
/** * @param itemStack * ItemStack to merge into inventory * @param start * minimum slot to attempt fill * @param end * maximum slot to attempt fill * @param backwards * go backwards * @return true if stacks merged successfully public boolean * mergeItemStack(itemStack, start, end, backwards) */ @Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 5) { if(!mergeItemStack(var5, 5, 41, false)) return null; var4.onSlotChange(var5, var3); } else { if(var5.getItem() == Itemss.machineUpgrade) { if(!mergeItemStack(var5, 0, 4, false)) return null; } else { if(!mergeItemStack(var5, 4, 5, false)) return null; } var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 11
Source File: ContainerAssemblyController.java From PneumaticCraft with GNU General Public License v3.0 | 5 votes |
/** * @param itemStack * ItemStack to merge into inventory * @param start * minimum slot to attempt fill * @param end * maximum slot to attempt fill * @param backwards * go backwards * @return true if stacks merged successfully public boolean * mergeItemStack(itemStack, start, end, backwards) */ @Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 5) { if(!mergeItemStack(var5, 5, 41, false)) return null; var4.onSlotChange(var5, var3); } else { if(var5.getItem() == Itemss.machineUpgrade) { if(!mergeItemStack(var5, 1, 5, false)) return null; } else if(var5.getItem() == Itemss.assemblyProgram && !mergeItemStack(var5, 0, 1, false)) return null; var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 12
Source File: ContainerRefinery.java From PneumaticCraft with GNU General Public License v3.0 | 5 votes |
/** * @param itemStack * ItemStack to merge into inventory * @param start * minimum slot to attempt fill * @param end * maximum slot to attempt fill * @param backwards * go backwards * @return true if stacks merged successfully public boolean * mergeItemStack(itemStack, start, end, backwards) */ @Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 27) { if(!mergeItemStack(var5, 27, 36, false)) return null; var4.onSlotChange(var5, var3); } else { if(!mergeItemStack(var5, 0, 27, false)) return null; var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 13
Source File: ContainerBabyChest.java From NewHorizonsCoreMod with GNU General Public License v3.0 | 5 votes |
@Override public ItemStack transferStackInSlot(EntityPlayer pPlayer, int pSlot) { ItemStack tStack = null; Slot tSlotObject = (Slot) inventorySlots.get(pSlot); //null checks and checks if the item can be stacked (maxStackSize > 1) if (tSlotObject != null && tSlotObject.getHasStack()) { ItemStack tStackInSlot = tSlotObject.getStack(); tStack = tStackInSlot.copy(); //merges the item into player inventory since its in the tileEntity if (pSlot < _mTileEntity.getSizeInventory()) { if (!mergeItemStack(tStackInSlot, _mTileEntity.getSizeInventory(), 36 + _mTileEntity.getSizeInventory(), true)) { return null; } } //places it into the tileEntity is possible since its in the player inventory else if (!mergeItemStack(tStackInSlot, 0, _mTileEntity.getSizeInventory(), false)) { return null; } if (tStackInSlot.stackSize == 0) { tSlotObject.putStack(null); } else { tSlotObject.onSlotChanged(); } if (tStackInSlot.stackSize == tStack.stackSize) { return null; } tSlotObject.onPickupFromSlot(pPlayer, tStackInSlot); } return tStack; }
Example 14
Source File: ContainerPotteryTable.java From GardenCollection with MIT License | 4 votes |
@Override public ItemStack transferStackInSlot (EntityPlayer player, int slotIndex) { ItemStack itemStack = null; Slot slot = (Slot) inventorySlots.get(slotIndex); // Assume inventory and hotbar slot IDs are contiguous int inventoryStart = playerSlots.get(0).slotNumber; int hotbarStart = hotbarSlots.get(0).slotNumber; int hotbarEnd = hotbarSlots.get(hotbarSlots.size() - 1).slotNumber + 1; if (slot != null && slot.getHasStack()) { ItemStack slotStack = slot.getStack(); itemStack = slotStack.copy(); // Try merge output into inventory and signal change if (slotIndex == outputSlot.slotNumber) { if (!mergeItemStack(slotStack, inventoryStart, hotbarEnd, true)) return null; slot.onSlotChange(slotStack, itemStack); } // Try merge stacks within inventory and hotbar spaces else if (slotIndex >= inventoryStart && slotIndex < hotbarEnd) { if (slotIndex >= inventoryStart && slotIndex < hotbarStart) { if (!mergeItemStack(slotStack, hotbarStart, hotbarEnd, false)) return null; } else if (slotIndex >= hotbarStart && slotIndex < hotbarEnd && !this.mergeItemStack(slotStack, inventoryStart, hotbarStart, false)) return null; } // Try merge stack into inventory else if (!mergeItemStack(slotStack, inventoryStart, hotbarEnd, false)) return null; if (slotStack.stackSize == 0) slot.putStack(null); else slot.onSlotChanged(); if (slotStack.stackSize == itemStack.stackSize) return null; slot.onPickupFromSlot(player, slotStack); } return itemStack; }
Example 15
Source File: ContainerPressureChamberInterface.java From PneumaticCraft with GNU General Public License v3.0 | 4 votes |
/** * @param itemStack * ItemStack to merge into inventory * @param start * minimum slot to attempt fill * @param end * maximum slot to attempt fill * @param backwards * go backwards * @return true if stacks merged successfully public boolean * mergeItemStack(itemStack, start, end, backwards) */ @Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 14) { if(!mergeItemStack(var5, 14, 50, false)) return null; var4.onSlotChange(var5, var3); } else { if(var3.getItem() == Itemss.machineUpgrade) { if(!mergeItemStack(var5, 1, 5, false)) return null; } else { if(par2 < 41) { if(!mergeItemStack(var5, 41, 50, false)) return null; } else { if(!mergeItemStack(var5, 14, 41, false)) return null; } } var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 16
Source File: ContainerChargingStation.java From PneumaticCraft with GNU General Public License v3.0 | 4 votes |
/** * @param itemStack * ItemStack to merge into inventory * @param start * minimum slot to attempt fill * @param end * maximum slot to attempt fill * @param backwards * go backwards * @return true if stacks merged successfully public boolean * mergeItemStack(itemStack, start, end, backwards) */ @Override public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2){ ItemStack var3 = null; Slot var4 = (Slot)inventorySlots.get(par2); if(var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if(par2 < 5) { if(!mergeItemStack(var5, 5, 41, false)) return null; var4.onSlotChange(var5, var3); } else { if(var5.getItem() == Itemss.machineUpgrade) { if(!mergeItemStack(var5, 1, 5, false)) return null; } /* * else if(!TileEntityFurnace.isItemFuel(var5)){ * * if(par2 < 28){ if (!this.mergeItemStack(var5, 33, 41, false)) * return null; }else{ if (!this.mergeItemStack(var5, 5, 33, * false)) return null; } } */ else if(!mergeItemStack(var5, 0, 1, false)) return null; var4.onSlotChange(var5, var3); } if(var5.stackSize == 0) { var4.putStack((ItemStack)null); } else { var4.onSlotChanged(); } if(var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(par1EntityPlayer, var5); } return var3; }
Example 17
Source File: ContainerCyaniteReprocessor.java From BigReactors with MIT License | 4 votes |
@Override public ItemStack transferStackInSlot(EntityPlayer player, int slot) { ItemStack stack = null; Slot slotObject = (Slot) inventorySlots.get(slot); int numSlots = _entity.getSizeInventory(); if(slotObject != null && slotObject.getHasStack()) { ItemStack stackInSlot = slotObject.getStack(); stack = stackInSlot.copy(); if(slot < numSlots) { if(!mergeItemStack(stackInSlot, numSlots, inventorySlots.size(), true)) { return null; } } else if(!mergeItemStack(stackInSlot, 0, numSlots, false)) { return null; } if(stackInSlot.stackSize == 0) { slotObject.putStack(null); } else { slotObject.onSlotChanged(); } if(stackInSlot.stackSize == stack.stackSize) { return null; } slotObject.onPickupFromSlot(player, stackInSlot); } return stack; }
Example 18
Source File: ContainerReactorAccessPort.java From BigReactors with MIT License | 4 votes |
@Override public ItemStack transferStackInSlot(EntityPlayer player, int slot) { ItemStack stack = null; Slot slotObject = (Slot) inventorySlots.get(slot); int numSlots = _port.getSizeInventory(); if(slotObject != null && slotObject.getHasStack()) { ItemStack stackInSlot = slotObject.getStack(); stack = stackInSlot.copy(); if(slot < numSlots) { if(!mergeItemStack(stackInSlot, numSlots, inventorySlots.size(), true)) { return null; } } else if(!mergeItemStack(stackInSlot, 0, numSlots, false)) { return null; } if(stackInSlot.stackSize == 0) { slotObject.putStack(null); } else { slotObject.onSlotChanged(); } if(stackInSlot.stackSize == stack.stackSize) { return null; } slotObject.onPickupFromSlot(player, stackInSlot); } return stack; }
Example 19
Source File: ContainerEnchantment.java From Et-Futurum with The Unlicense | 4 votes |
/** * Take a stack from the specified inventory slot. */ @Override public ItemStack transferStackInSlot(EntityPlayer playerIn, int index) { ItemStack var3 = null; Slot var4 = (Slot) inventorySlots.get(index); if (var4 != null && var4.getHasStack()) { ItemStack var5 = var4.getStack(); var3 = var5.copy(); if (index == 0) { if (!mergeItemStack(var5, 2, 38, true)) return null; } else if (index == 1) { if (!mergeItemStack(var5, 2, 38, true)) return null; } else if (var5.getItem() == Items.dye && var5.getItemDamage() == 4) { if (!mergeItemStack(var5, 1, 2, true)) return null; } else { if (((Slot) inventorySlots.get(0)).getHasStack() || !((Slot) inventorySlots.get(0)).isItemValid(var5)) return null; if (var5.hasTagCompound() && var5.stackSize == 1) { ((Slot) inventorySlots.get(0)).putStack(var5.copy()); var5.stackSize = 0; } else if (var5.stackSize >= 1) { ((Slot) inventorySlots.get(0)).putStack(new ItemStack(var5.getItem(), 1, var5.getItemDamage())); --var5.stackSize; } } if (var5.stackSize == 0) var4.putStack((ItemStack) null); else var4.onSlotChanged(); if (var5.stackSize == var3.stackSize) return null; var4.onPickupFromSlot(playerIn, var5); } return var3; }
Example 20
Source File: ContainerSurgery.java From Cyberware with MIT License | 4 votes |
@Nullable public ItemStack transferStackInSlot(EntityPlayer playerIn, int index) { ItemStack itemstack = null; Slot slot = (Slot)this.inventorySlots.get(index); if (slot != null && slot.getHasStack()) { ItemStack itemstack1 = slot.getStack(); itemstack = itemstack1.copy(); if (!(slot instanceof SlotSurgery)) { if (index >= 3 && index < 30) { if (!this.mergeItemStack(itemstack1, 30, 39, false)) { return null; } } else if (index >= 30 && index < 39 && !this.mergeItemStack(itemstack1, 3, 30, false)) { return null; } } if (itemstack1.stackSize == 0) { slot.putStack((ItemStack)null); } else { slot.onSlotChanged(); } if (itemstack1.stackSize == itemstack.stackSize) { return null; } slot.onPickupFromSlot(playerIn, itemstack1); } return itemstack; }