public virtual void updateCraftingMatrix()
{
for (int i = 0; i < inventorySlots.size(); i++)
{
ItemStack itemstack = ((Slot)inventorySlots.get(i)).getStack();
var itemstack1 = (ItemStack)inventoryItemStacks.get(i);
if (ItemStack.areItemStacksEqual(itemstack1, itemstack))
{
continue;
}
itemstack1 = itemstack != null?itemstack.copy() : null;
inventoryItemStacks.set(i, itemstack1);
for (int j = 0; j < crafters.size(); j++)
{
((ICrafting)crafters.get(j)).updateCraftingInventorySlot(this, i, itemstack1);
}
}
}
public static ItemStack func_20117_a(ItemStack itemstack)
{
return itemstack != null ? itemstack.copy() : null;
}
public static ItemStack func_20117_a(ItemStack itemstack)
{
return(itemstack != null?itemstack.copy() : null);
}
public Packet103(int i, int j, ItemStack itemstack)
{
windowId = i;
itemSlot = j;
myItemStack = itemstack != null?itemstack.copy() : itemstack;
}
public ItemStack func_21136_b(InventoryCrafting inventorycrafting)
{
return(field_21138_a.copy());
}
public ItemStack placeItem(int i, int j, EntityPlayer entityplayer)
{
ItemStack itemstack = null;
if (j == 0 || j == 1)
{
InventoryPlayer inventoryplayer = entityplayer.inventory;
if (i == -999)
{
if (inventoryplayer.getItemStack() != null && i == -999)
{
if (j == 0)
{
entityplayer.dropPlayerItem(inventoryplayer.getItemStack());
inventoryplayer.setItemStack(null);
}
if (j == 1)
{
entityplayer.dropPlayerItem(inventoryplayer.getItemStack().splitStack(1));
if (inventoryplayer.getItemStack().stackSize == 0)
{
inventoryplayer.setItemStack(null);
}
}
}
}
else
{
var slot = (Slot)inventorySlots.get(i);
if (slot != null)
{
slot.onSlotChanged();
ItemStack itemstack1 = slot.getStack();
ItemStack itemstack2 = inventoryplayer.getItemStack();
if (itemstack1 != null)
{
itemstack = itemstack1.copy();
}
if (itemstack1 == null)
{
if (itemstack2 != null && slot.isItemValid(itemstack2))
{
int k = j != 0 ? 1 : itemstack2.stackSize;
if (k > slot.getSlotStackLimit())
{
k = slot.getSlotStackLimit();
}
slot.putStack(itemstack2.splitStack(k));
if (itemstack2.stackSize == 0)
{
inventoryplayer.setItemStack(null);
}
}
}
else if (itemstack2 == null)
{
int l = j != 0 ? (itemstack1.stackSize + 1) / 2 : itemstack1.stackSize;
inventoryplayer.setItemStack(slot.decrStackSize(l));
if (itemstack1.stackSize == 0)
{
slot.putStack(null);
}
slot.onPickupFromSlot();
}
else if (slot.isItemValid(itemstack2))
{
if (itemstack1.itemID != itemstack2.itemID ||
itemstack1.getHasSubtypes() && itemstack1.getItemDamage() != itemstack2.getItemDamage())
{
if (itemstack2.stackSize <= slot.getSlotStackLimit())
{
ItemStack itemstack3 = itemstack1;
slot.putStack(itemstack2);
inventoryplayer.setItemStack(itemstack3);
}
}
else
{
int i1 = j != 0 ? 1 : itemstack2.stackSize;
if (i1 > slot.getSlotStackLimit() - itemstack1.stackSize)
{
i1 = slot.getSlotStackLimit() - itemstack1.stackSize;
}
if (i1 > itemstack2.getMaxStackSize() - itemstack1.stackSize)
{
i1 = itemstack2.getMaxStackSize() - itemstack1.stackSize;
}
itemstack2.splitStack(i1);
if (itemstack2.stackSize == 0)
{
inventoryplayer.setItemStack(null);
}
itemstack1.stackSize += i1;
}
}
else if (itemstack1.itemID == itemstack2.itemID && itemstack2.getMaxStackSize() > 1 &&
(!itemstack1.getHasSubtypes() ||
itemstack1.getItemDamage() == itemstack2.getItemDamage()))
{
int j1 = itemstack1.stackSize;
if (j1 > 0 && j1 + itemstack2.stackSize <= itemstack2.getMaxStackSize())
{
itemstack2.stackSize += j1;
itemstack1.splitStack(j1);
if (itemstack1.stackSize == 0)
{
slot.putStack(null);
}
slot.onPickupFromSlot();
}
}
}
}
}
return(itemstack);
}