public void setLock(ItemStack lock) {
if (lock != null && !isItemStackLock(lock))
throw new InvalidParameterException("lock is not an ItemStack of ItemLock.");
TileEntityReinforcedChest chest = getMainChest();
chest.lock = lock;
worldObj.markBlockForUpdate(chest.xCoord, chest.yCoord, chest.zCoord);
}
public void checkForAdjacentChests() {
if (adjacentChestChecked) return;
adjacentChestChecked = true;
adjacentChestZNeg = null;
adjacentChestXPos = null;
adjacentChestXNeg = null;
adjacentChestZPos = null;
if (worldObj.getBlockId(xCoord, yCoord, zCoord - 1) == id)
adjacentChestZNeg = getChestAt(worldObj, xCoord, yCoord, zCoord - 1);
if (worldObj.getBlockId(xCoord, yCoord, zCoord + 1) == id)
adjacentChestZPos = getChestAt(worldObj, xCoord, yCoord, zCoord + 1);
if (worldObj.getBlockId(xCoord - 1, yCoord, zCoord) == id)
adjacentChestXNeg = getChestAt(worldObj, xCoord - 1, yCoord, zCoord);
if (worldObj.getBlockId(xCoord + 1, yCoord, zCoord) == id)
adjacentChestXPos = getChestAt(worldObj, xCoord + 1, yCoord, zCoord);
if (adjacentChestZNeg != null) adjacentChestZNeg.updateContainingBlockInfo();
if (adjacentChestZPos != null) adjacentChestZPos.updateContainingBlockInfo();
if (adjacentChestXNeg != null) adjacentChestXNeg.updateContainingBlockInfo();
if (adjacentChestXPos != null) adjacentChestXPos.updateContainingBlockInfo();
}