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104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdpch.h"
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#include "impulse_decoder.h"
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#include "game_share/action_factory.h"
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using namespace std;
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using namespace NLMISC;
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using namespace CLFECOMMON;
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/*
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* Constructor
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*/
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CImpulseDecoder::CImpulseDecoder()
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{
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reset();
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}
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void CImpulseDecoder::decode(CBitMemStream &inbox, TPacketNumber receivedPacket, TPacketNumber receivedAck, TPacketNumber nextSentPacket, vector<CLFECOMMON::CAction *> &actions)
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{
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uint level;
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for (level=0; level<3; ++level)
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{
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TPacketNumber *lAck;
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uint channel;
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switch (level)
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{
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case 0: lAck = _LastAck0; channel = 0; break;
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case 1: lAck = _LastAck1; channel = receivedPacket&1; break;
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case 2: lAck = _LastAck2; channel = receivedPacket&3; break;
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}
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bool keep = true;
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bool checkOnce = false;
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uint num = 0;
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TPacketNumber lastAck = lAck[channel];
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for(;;)
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{
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bool next;
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inbox.serial(next);
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if (!next)
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break;
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if (!checkOnce)
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{
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checkOnce = true;
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keep = (receivedAck >= lAck[channel]);
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if (keep)
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lAck[channel] = nextSentPacket;
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}
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++num;
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CAction *action = CActionFactory::getInstance()->unpack(inbox, false);
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if (keep)
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{
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actions.push_back(action);
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nlinfo("CLIMPD: received new impulsion %d (len=%u) at level %d (channel %d)", action->Code, CActionFactory::getInstance()->size(action), level, channel, num, (keep) ? "" : " (discarded)", lastAck, nextSentPacket);
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}
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else
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{
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nlinfo("CLIMPD: discarded action %d (len=%u) at level %d (channel %d)", action->Code, CActionFactory::getInstance()->size(action), level, channel, num, (keep) ? "" : " (discarded)", lastAck, nextSentPacket);
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CActionFactory::getInstance()->remove(action);
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}
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}
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if (checkOnce)
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{
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nldebug("CLIMPD: at level %d (channel %d), %d actions%s (ReceivedAck=%d/lastAck=%d/nextSentPacket=%d)", level, channel, num, (keep) ? "" : " (discarded)", receivedAck, lastAck, nextSentPacket);
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}
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}
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}
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void CImpulseDecoder::reset()
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{
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uint i;
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for (i=0; i<1; ++i) _LastAck0[i] = -1;
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for (i=0; i<2; ++i) _LastAck1[i] = -1;
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for (i=0; i<4; ++i) _LastAck2[i] = -1;
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}
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