private void switchSourceIfNeeded() {
int meta = worldObj.getBlockMetadata(xCoord, yCoord, zCoord);
if (meta > 5) switchSource();
else {
TileEntity tile = container.getTile(Orientations.values()[meta]);
if (!isInput(tile)) switchSource();
}
}
public void switchSource() {
int meta = worldObj.getBlockMetadata(xCoord, yCoord, zCoord);
int newMeta = 6;
for (int i = meta + 1; i <= meta + 6; ++i) {
Orientations o = Orientations.values()[i % 6];
Block block = Block.blocksList[container.getBlockId(o)];
TileEntity tile = container.getTile(o);
if (isInput(tile))
if (!isExcludedFromExtraction(block)) {
newMeta = o.ordinal();
break;
}
}
if (newMeta != meta) {
worldObj.setBlockMetadata(xCoord, yCoord, zCoord, newMeta);
worldObj.markBlockNeedsUpdate(xCoord, yCoord, zCoord);
}
}