/**
* Adds an ItemStack to the first available slot in the provided IInventory, continuing to
* distribute the stack as necessary until the stacksize reaches 0, if possible
*
* @return the number of items remaining in the stack, zero if all were added
*/
public static int addItemToInventory(ItemStack stack, IInventory inv) {
int remaining = stack.stackSize;
for (int i = 0; i < inv.getSizeInventory() && remaining > 0; ++i) {
ItemStack slotstack = inv.getStackInSlot(i);
if (slotstack == null && inv.isItemValidForSlot(i, stack)) {
remaining -= inv.getInventoryStackLimit();
stack.stackSize = (remaining > 0 ? inv.getInventoryStackLimit() : stack.stackSize);
inv.setInventorySlotContents(i, stack);
inv.markDirty();
} else if (slotstack != null && stack.isStackable() && inv.isItemValidForSlot(i, stack)) {
if (slotstack.getItem() == stack.getItem()
&& (!stack.getHasSubtypes() || stack.getItemDamage() == slotstack.getItemDamage())
&& ItemStack.areItemStackTagsEqual(stack, slotstack)) {
int l = slotstack.stackSize + remaining;
if (l <= stack.getMaxStackSize() && l <= inv.getInventoryStackLimit()) {
remaining = 0;
slotstack.stackSize = l;
inv.markDirty();
} else if (slotstack.stackSize < stack.getMaxStackSize()
&& stack.getMaxStackSize() <= inv.getInventoryStackLimit()) {
remaining -= stack.getMaxStackSize() - slotstack.stackSize;
slotstack.stackSize = stack.getMaxStackSize();
inv.markDirty();
}
}
}
}
return remaining;
}
public static boolean canInsertStackIntoInventory(
IInventory inventory, ItemStack stack, int side) {
if (stack == null || inventory == null) return false;
if (inventory instanceof ISidedInventory) {
ISidedInventory sidedInv = (ISidedInventory) inventory;
int slots[] = sidedInv.getAccessibleSlotsFromSide(side);
if (slots == null) return false;
for (int i = 0; i < slots.length && stack != null; i++) {
if (sidedInv.canInsertItem(slots[i], stack, side)
&& sidedInv.isItemValidForSlot(slots[i], stack)) {
ItemStack existingStack = inventory.getStackInSlot(slots[i]);
if (existingStack == null) return true;
else if (OreDictionary.itemMatches(existingStack, stack, true)
&& ItemStack.areItemStackTagsEqual(stack, existingStack))
if (existingStack.stackSize + stack.stackSize < inventory.getInventoryStackLimit()
&& existingStack.stackSize + stack.stackSize < existingStack.getMaxStackSize())
return true;
}
}
} else {
int invSize = inventory.getSizeInventory();
for (int i = 0; i < invSize && stack != null; i++)
if (inventory.isItemValidForSlot(i, stack)) {
ItemStack existingStack = inventory.getStackInSlot(i);
if (existingStack == null) return true;
else if (OreDictionary.itemMatches(existingStack, stack, true)
&& ItemStack.areItemStackTagsEqual(stack, existingStack))
if (existingStack.stackSize + stack.stackSize < inventory.getInventoryStackLimit()
&& existingStack.stackSize + stack.stackSize < existingStack.getMaxStackSize())
return true;
}
}
return false;
}
public static final int getItemStackMaxQuantity(ItemStack itemStack, IInventory inventory) {
Item item = itemStack.getItem();
if (item instanceof IFood)
return (int) ((IFood) itemStack.getItem()).getFoodMaxWeight(itemStack);
if (inventory instanceof TEIngotPile) return inventory.getInventoryStackLimit();
return Math.min(itemStack.getMaxStackSize(), inventory.getInventoryStackLimit());
}
public static ItemStack insertItem(
IInventory inventory, ItemStack itemStack, boolean test, boolean force) {
if (test) {
itemStack = itemStack.copy();
}
int size = inventory.getSizeInventory();
for (int i = 0; i < size; i++) {
if (inventory.isItemValidForSlot(i, itemStack) || force) {
ItemStack storedItem = inventory.getStackInSlot(i);
if (storedItem != null) {
if (equalItemAndNBT(storedItem, itemStack)) {
int maxStackSize =
Math.min(itemStack.getMaxStackSize(), inventory.getInventoryStackLimit());
int add = Math.min(itemStack.stackSize, maxStackSize - storedItem.stackSize);
if (!test) {
storedItem.stackSize += add;
}
itemStack.stackSize -= add;
inventory.setInventorySlotContents(i, storedItem);
}
} else {
storedItem = itemStack.copy();
storedItem.stackSize = Math.min(itemStack.stackSize, itemStack.getMaxStackSize());
if (!test) {
inventory.setInventorySlotContents(i, storedItem);
}
itemStack.stackSize -= storedItem.stackSize;
}
if (itemStack.stackSize <= 0) {
return null;
}
}
}
return itemStack;
}
public static ItemStack addToEmptyInventorySlot(IInventory inventory, int slot, ItemStack stack) {
if (!inventory.isItemValidForSlot(slot, stack)) {
return stack;
}
int stackLimit = inventory.getInventoryStackLimit();
inventory.setInventorySlotContents(
slot, copyStackWithAmount(stack, Math.min(stack.stackSize, stackLimit)));
return stackLimit >= stack.stackSize ? null : stack.splitStack(stack.stackSize - stackLimit);
}
private static ItemStack func_102014_c(
IInventory par0IInventory, ItemStack par1ItemStack, int par2, int par3) {
ItemStack itemstack1 = par0IInventory.getStackInSlot(par2);
if (canInsertItemToInventory(par0IInventory, par1ItemStack, par2, par3)) {
boolean flag = false;
if (itemstack1 == null) {
int max =
Math.min(par1ItemStack.getMaxStackSize(), par0IInventory.getInventoryStackLimit());
if (max >= par1ItemStack.stackSize) {
par0IInventory.setInventorySlotContents(par2, par1ItemStack);
par1ItemStack = null;
} else {
par0IInventory.setInventorySlotContents(par2, par1ItemStack.splitStack(max));
}
flag = true;
} else if (areItemStacksEqualItem(itemstack1, par1ItemStack)) {
int max =
Math.min(par1ItemStack.getMaxStackSize(), par0IInventory.getInventoryStackLimit());
if (max > itemstack1.stackSize) {
int l = Math.min(par1ItemStack.stackSize, max - itemstack1.stackSize);
par1ItemStack.stackSize -= l;
itemstack1.stackSize += l;
flag = l > 0;
}
}
if (flag) {
if (par0IInventory instanceof TileEntityHopper) {
((TileEntityHopper) par0IInventory).setTransferCooldown(8);
par0IInventory.onInventoryChanged();
}
par0IInventory.onInventoryChanged();
}
}
return par1ItemStack;
}
public static ItemStack addToOccupiedSlot(
IInventory inventory, int slot, ItemStack stack, ItemStack existingStack) {
int stackLimit = Math.min(inventory.getInventoryStackLimit(), stack.getMaxStackSize());
if (stack.stackSize + existingStack.stackSize > stackLimit) {
int stackDiff = stackLimit - existingStack.stackSize;
existingStack.stackSize = stackLimit;
stack.stackSize -= stackDiff;
inventory.setInventorySlotContents(slot, existingStack);
return stack;
}
existingStack.stackSize += Math.min(stack.stackSize, stackLimit);
inventory.setInventorySlotContents(slot, existingStack);
return stackLimit >= stack.stackSize ? null : stack.splitStack(stack.stackSize - stackLimit);
}
@Override
public ItemStack addItem(ItemStack stack) {
if (stack == null) {
return null;
}
int quantitytoadd = stack.stackSize;
ItemStack remaining = stack.copy();
int[] slots = getSlots();
if (slots == null) {
return remaining;
}
for (int i : slots) {
int maxStackSize = Math.min(_inv.getInventoryStackLimit(), stack.getMaxStackSize());
ItemStack s = getSlotContents(i);
if (s == null) {
ItemStack add = stack.copy();
add.stackSize = Math.min(quantitytoadd, maxStackSize);
if (canAddItem(add, i)) {
quantitytoadd -= add.stackSize;
_inv.setInventorySlotContents(i, add);
_inv.markDirty();
}
} else if (ItemHelper.itemsEqualWithMetadata(s, stack)) {
ItemStack add = stack.copy();
add.stackSize = Math.min(quantitytoadd, maxStackSize - s.stackSize);
if (add.stackSize > 0 && canAddItem(add, i)) {
s.stackSize += add.stackSize;
quantitytoadd -= add.stackSize;
_inv.setInventorySlotContents(i, s);
_inv.markDirty();
}
}
if (quantitytoadd == 0) {
break;
}
}
remaining.stackSize = quantitytoadd;
if (remaining.stackSize == 0) {
return null;
} else {
return remaining;
}
}
@Override
public int getInventoryStackLimit() {
return stackSizeLimit > 0 ? stackSizeLimit : inv.getInventoryStackLimit();
}
public boolean tryInsertItem(ItemStack stack, ForgeDirection side) {
int xo = xCoord + side.offsetX;
int yo = yCoord + side.offsetY;
int zo = zCoord + side.offsetZ;
TileEntity t = worldObj.getBlockTileEntity(xo, yo, zo);
if (stack == null) return false;
if (t instanceof IInventory) {
if (t instanceof ISpecialInventory) {
ISpecialInventory isi = (ISpecialInventory) t;
ItemStack ghost = stack.copy().splitStack(1);
int used = isi.addItem(ghost, true, side.getOpposite());
if (used > 0) return true;
} else if (t instanceof ISidedInventory) {
ISidedInventory isi = (ISidedInventory) t;
ItemStack ghost = stack.copy().splitStack(1);
int[] slots = isi.getAccessibleSlotsFromSide(side.getOpposite().ordinal());
for (int i = 0; i < slots.length; i++) {
if (isi.canInsertItem(slots[i], ghost, side.getOpposite().ordinal())) {
ItemStack inSlot = isi.getStackInSlot(slots[i]);
if (inSlot != null
&& inSlot.isItemEqual(ghost)
&& inSlot.stackSize < inSlot.getMaxStackSize()
&& inSlot.stackSize < isi.getInventoryStackLimit()) {
inSlot.stackSize++;
isi.onInventoryChanged();
return true;
}
}
}
for (int i = 0; i < slots.length; i++) {
if (isi.canInsertItem(slots[i], ghost, side.getOpposite().ordinal())) {
ItemStack inSlot = isi.getStackInSlot(slots[i]);
if (inSlot == null) {
isi.setInventorySlotContents(slots[i], ghost);
isi.onInventoryChanged();
return true;
}
}
}
return false;
} else {
IInventory ii = (IInventory) t;
ItemStack ghost = stack.copy().splitStack(1);
for (int i = 0; i < ii.getSizeInventory(); i++) {
if (ii.isItemValidForSlot(i, ghost)) {
ItemStack inSlot = ii.getStackInSlot(i);
if (inSlot != null
&& inSlot.isItemEqual(ghost)
&& inSlot.stackSize < inSlot.getMaxStackSize()
&& inSlot.stackSize < ii.getInventoryStackLimit()) {
inSlot.stackSize++;
ii.onInventoryChanged();
return true;
}
}
}
for (int i = 0; i < ii.getSizeInventory(); i++) {
if (ii.isItemValidForSlot(i, ghost)) {
ItemStack inSlot = ii.getStackInSlot(i);
if (inSlot == null) {
ii.setInventorySlotContents(i, ghost);
ii.onInventoryChanged();
return true;
}
}
}
return false;
}
}
if (Loader.isModLoaded("BuildCraft|Core") && t != null && stack != null) {
if (t instanceof IPipeTile) {
IPipeTile p = (IPipeTile) t;
if (p.getPipeType() == PipeType.ITEM && p.isPipeConnected(side.getOpposite())) {
int res = p.injectItem(stack, false, side.getOpposite());
if (res == stack.stackSize) {
p.injectItem(stack, true, side.getOpposite());
stack.stackSize = 0;
return true;
}
}
}
}
return false;
}
