@Override
public void receiveCommand(String command, Side side, Object sender, ByteBuf stream) {
super.receiveCommand(command, side, sender, stream);
if (side.isClient()) {
if ("clearItemRequirements".equals(command)) {
requiredToBuild = null;
} else if ("setItemRequirements".equals(command)) {
int size = stream.readUnsignedMedium();
requiredToBuild = new ArrayList<RequirementItemStack>();
for (int i = 0; i < size; i++) {
int itemId = stream.readUnsignedShort();
int itemDamage = stream.readShort();
int stackSize = stream.readUnsignedMedium();
boolean hasCompound = stackSize >= 0x800000;
ItemStack stack = new ItemStack(Item.getItemById(itemId), 1, itemDamage);
if (hasCompound) {
stack.setTagCompound(NetworkUtils.readNBT(stream));
}
if (stack != null && stack.getItem() != null) {
requiredToBuild.add(new RequirementItemStack(stack, stackSize & 0x7FFFFF));
} else {
BCLog.logger.error(
"Corrupt ItemStack in TileBuilder.receiveCommand! This should not happen! (ID "
+ itemId
+ ", damage "
+ itemDamage
+ ")");
}
}
}
} else if (side.isServer()) {
EntityPlayer player = (EntityPlayer) sender;
if ("eraseFluidTank".equals(command)) {
int id = stream.readInt();
if (id < 0 || id >= fluidTanks.length) {
return;
}
if (isUseableByPlayer(player) && player.getDistanceSq(xCoord, yCoord, zCoord) <= 64) {
fluidTanks[id].setFluid(null);
sendNetworkUpdate();
}
}
}
}
private void processHeaderState(ByteBuf in) throws Http2Exception {
if (in.readableBytes() < FRAME_HEADER_LENGTH) {
// Wait until the entire frame header has been read.
return;
}
// Read the header and prepare the unmarshaller to read the frame.
payloadLength = in.readUnsignedMedium();
if (payloadLength > maxFrameSize) {
throw connectionError(
PROTOCOL_ERROR, "Frame length: %d exceeds maximum: %d", payloadLength, maxFrameSize);
}
frameType = in.readByte();
flags = new Http2Flags(in.readUnsignedByte());
streamId = readUnsignedInt(in);
switch (frameType) {
case DATA:
verifyDataFrame();
break;
case HEADERS:
verifyHeadersFrame();
break;
case PRIORITY:
verifyPriorityFrame();
break;
case RST_STREAM:
verifyRstStreamFrame();
break;
case SETTINGS:
verifySettingsFrame();
break;
case PUSH_PROMISE:
verifyPushPromiseFrame();
break;
case PING:
verifyPingFrame();
break;
case GO_AWAY:
verifyGoAwayFrame();
break;
case WINDOW_UPDATE:
verifyWindowUpdateFrame();
break;
case CONTINUATION:
verifyContinuationFrame();
break;
default:
// Unknown frame type, could be an extension.
break;
}
// Start reading the payload for the frame.
state = State.FRAME_PAYLOAD;
}
@Override
public int readUnsignedMedium() {
return buffer.readUnsignedMedium();
}
/**
* Creates and returns MplsLabel object from 20 leftmost bits in the incoming buffer. Moves reader
* index by 3.
*
* @param buffer expecting 3 bytes with 20 leftmost bits as label
* @return MplsLabel object
*/
public static MplsLabel mplsLabelForByteBuf(final ByteBuf buffer) {
return new MplsLabel(new Long(buffer.readUnsignedMedium() >> LABEL_OFFSET));
}