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105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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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 "stdmisc.h"
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#include "nel/misc/input_device_server.h"
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#include "nel/misc/input_device.h"
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namespace NLMISC
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{
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//=======================================================================
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void CInputDeviceServer::registerDevice(IInputDevice *device)
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{
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nlassert(!isDevice(device));
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_Devices.push_back(device);
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}
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//=======================================================================
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void CInputDeviceServer::removeDevice(IInputDevice *device)
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{
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TDeviceCont::iterator it = std::find(_Devices.begin(), _Devices.end(), device);
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nlassert(it != _Devices.end());
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_Devices.erase(it);
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}
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//=======================================================================
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bool CInputDeviceServer::isDevice(IInputDevice *device) const
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{
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TDeviceCont::const_iterator it = std::find(_Devices.begin(), _Devices.end(), device);
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return it != _Devices.end();
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}
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//=======================================================================
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// Predicate to compare vents dates
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struct CInputDeviceEventLess
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{
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bool operator()(const IInputDeviceEvent *lhs, const IInputDeviceEvent *rhs) const
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{
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return *lhs < *rhs;
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}
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};
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//=======================================================================
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void CInputDeviceServer::poll(CEventServer *server)
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{
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nlassert(_Events.empty());
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TDeviceCont::iterator deviceIt;
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for (deviceIt = _Devices.begin(); deviceIt != _Devices.end(); ++deviceIt)
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{
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(*deviceIt)->begin(server);
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(*deviceIt)->poll(this);
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}
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// Sort the messages to get the right dates.
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std::sort(_Events.begin(), _Events.end(), CInputDeviceEventLess());
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// submit the result to the server
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IInputDevice *lastVisitedDevice = NULL;
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TEventCont::iterator eventIt;
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for (eventIt = _Events.begin(); eventIt != _Events.end(); ++eventIt)
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{
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// see if this message is from a previous device then the last we visited.
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if (lastVisitedDevice && (*eventIt)->Emitter != lastVisitedDevice)
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{
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// yes, tells that a transition occured
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lastVisitedDevice->transitionOccured(server, *eventIt);
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lastVisitedDevice = (*eventIt)->Emitter;
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}
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nlassert((*eventIt)->Emitter != NULL);
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(*eventIt)->Emitter->submit(*eventIt, server);
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}
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//
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for (deviceIt = _Devices.begin(); deviceIt != _Devices.end(); ++deviceIt)
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{
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(*deviceIt)->transitionOccured(server, NULL);
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}
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// delete the messages
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for (eventIt = _Events.begin(); eventIt != _Events.end(); ++eventIt)
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{
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delete *eventIt;
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}
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//
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_Events.clear();
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}
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//=======================================================================
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void CInputDeviceServer::submitEvent(IInputDeviceEvent *deviceEvent)
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{
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_Events.push_back(deviceEvent);
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}
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} // NLMISC
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