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package binnie.core.util;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import net.minecraft.item.ItemStack;
public class ItemStackSet
implements Set<ItemStack>
{
public String toString()
{
return this.itemStacks.toString();
}
List<ItemStack> itemStacks = new ArrayList();
protected ItemStack getExisting(ItemStack stack)
{
for (ItemStack stack2 : this.itemStacks) {
if (stack2.isItemEqual(stack)) {
return stack2;
}
}
return null;
}
public boolean add(ItemStack e)
{
if (e != null)
{
if (getExisting(e) == null) {
return this.itemStacks.add(e.copy());
}
getExisting(e).stackSize += e.stackSize;
}
return false;
}
public boolean addAll(Collection<? extends ItemStack> c)
{
boolean addedAll = true;
for (ItemStack stack : c) {
addedAll = (add(stack)) && (addedAll);
}
return addedAll;
}
public void clear()
{
this.itemStacks.clear();
}
public boolean contains(Object o)
{
if (!(o instanceof ItemStack)) {
return false;
}
return getExisting((ItemStack)o) != null;
}
public boolean containsAll(Collection<?> c)
{
boolean addedAll = true;
for (Object o : c) {
addedAll = (addedAll) && (contains(o));
}
return false;
}
public boolean isEmpty()
{
return this.itemStacks.isEmpty();
}
public Iterator<ItemStack> iterator()
{
return this.itemStacks.iterator();
}
public boolean remove(Object o)
{
if (contains(o))
{
ItemStack r = (ItemStack)o;
ItemStack existing = getExisting(r);
if (existing.stackSize > r.stackSize) {
existing.stackSize -= r.stackSize;
} else {
this.itemStacks.remove(existing);
}
}
return false;
}
public boolean removeAll(Collection<?> c)
{
boolean addedAll = true;
for (Object o : c)
{
boolean removed = remove(o);
addedAll = (removed) && (addedAll);
}
return false;
}
public boolean retainAll(Collection<?> c)
{
return this.itemStacks.retainAll(c);
}
public int size()
{
return this.itemStacks.size();
}
public Object[] toArray()
{
return this.itemStacks.toArray();
}
public <T> T[] toArray(T[] a)
{
return this.itemStacks.toArray(a);
}
}
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