/**
* Gets a block.
*
* @param pos
* @param id
* @return
* @throws OutOfBlocksException
*/
public void fetchBlock(int id) throws BlockSourceException {
try {
for (ComparableComplexBlock<Chest> c : chests) {
Chest chest = c.getChest();
Item[] itemArray = chest.getContents();
// Find the item
for (int i = 0; itemArray.length > i; i++) {
if (itemArray[i] != null) {
// Found an item
if (itemArray[i].getItemId() == id && itemArray[i].getAmount() >= 1) {
int newAmount = itemArray[i].getAmount() - 1;
if (newAmount > 0) {
itemArray[i].setAmount(newAmount);
} else {
itemArray[i] = null;
}
chest.setContents(itemArray);
return;
}
}
}
}
throw new OutOfBlocksException(id);
} finally {
flushChanges();
}
}
/**
* Adds a position to be used a source.
*
* @param pos
* @return
*/
public void addSingleSourcePosition(Vector pos) {
int x = pos.getBlockX();
int y = pos.getBlockY();
int z = pos.getBlockZ();
if (CraftBook.getBlockID(pos) == BlockType.CHEST) {
ComplexBlock complexBlock = etc.getServer().getComplexBlock(x, y, z);
if (complexBlock instanceof Chest) {
Chest chest = (Chest) complexBlock;
Item[] itemArray = chest.getContents();
boolean occupied = false;
// Got to make sure that at least one slot is occupied
for (int i = 0; itemArray.length > i; i++) {
if (itemArray[i] != null) {
// Found an item
if (itemArray[i].getAmount() > 0) {
occupied = true;
break;
}
}
}
if (occupied) {
chests.add(new ComparableComplexBlock<Chest>(pos.toBlockVector(), chest));
}
}
}
}
/**
* Stores a block.
*
* @param pos
* @param id
* @return
* @throws OutOfSpaceException
*/
public void storeBlock(int id) throws BlockSourceException {
try {
for (ComparableComplexBlock<Chest> c : chests) {
Chest chest = c.getChest();
Item[] itemArray = chest.getContents();
int emptySlot = -1;
// Find an existing slot to put it into
for (int i = 0; itemArray.length > i; i++) {
if (itemArray[i] != null) {
// Found an item
if (itemArray[i].getItemId() == id && itemArray[i].getAmount() < 64) {
int newAmount = itemArray[i].getAmount() + 1;
itemArray[i].setAmount(newAmount);
chest.setContents(itemArray);
return;
}
} else {
emptySlot = i;
}
}
// Didn't find an existing stack, so let's create a new one
if (emptySlot != -1) {
itemArray[emptySlot] = new Item(id, 1);
chest.setContents(itemArray);
return;
}
}
throw new OutOfSpaceException(id);
} finally {
flushChanges();
}
}