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annotate engine/core/eventchannel/trigger/ec_trigger.h @ 0:4a0efb7baf70

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* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
parents
children 90005975cdbb
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0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or modify *
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7 * it under the terms of the GNU General Public License as published by *
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8 * the Free Software Foundation; either version 2 of the License, or *
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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9 * (at your option) any later version. *
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10 * *
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11 * This program is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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14 * GNU General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU General Public License *
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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17 * along with this program; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 #ifndef FIFE_EVENTCHANNEL_TRIGGER_H
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23 #define FIFE_EVENTCHANNEL_TRIGGER_H
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24
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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25 // Standard C++ library includes
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26 //
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27 #include <list>
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28
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29 // 3rd party library includes
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30 //
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31
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32 // FIFE includes
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33 // These includes are split up in two parts, separated by one empty line
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34 // First block: files included from the FIFE root src directory
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35 // Second block: files included from the same folder
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36 //
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37
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38 #include "ec_itriggercontroller.h"
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39 #include "ec_itriggerlistener.h"
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40
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41 namespace FIFE {
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42
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43 /**
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44 * A trigger is fired when certain preconditions met
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45 */
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46 class Trigger : public ITriggerController {
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47
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48 public:
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49
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50 Trigger(ITriggerListener& listener){
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51 registerListener(listener);
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52 }
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53
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54 Trigger() { };
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55
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56 virtual ~Trigger(){
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57 m_triggers.clear();
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58 }
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59
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60 void pollTrigger(){
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61 if(requirementsMet()){
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62 pollTriggers();
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63 }
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64 }
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65
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66 virtual bool requirementsMet(){
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67 return false;
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68 }
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69
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70 void registerTrigger(Trigger& trigger){
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71 m_triggers.push_back(&trigger);
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72 }
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73
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74 void unregisterTrigger(Trigger& trigger){
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75 m_triggers.remove(&trigger);
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76 }
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77
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78 void pollTriggers(){
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79 for (std::list<Trigger*>::iterator it = m_triggers.begin(); it!=m_triggers.end(); ++it) {
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80 (*it)->pollTrigger();
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81 }
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82 }
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83
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84 void fireTrigger(){
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85 for (std::list<ITriggerListener*>::iterator it = m_listeners.begin(); it!=m_listeners.end(); ++it) {
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86 (*it)->triggerFired();
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87 }
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88 }
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89
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90 void registerListener(ITriggerListener& triggerlistener){
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91 m_listeners.push_back(&triggerlistener);
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92 }
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93
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94 void unregisterListener(ITriggerListener& triggerlistener){
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95 m_listeners.remove(&triggerlistener);
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96 }
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97
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98 protected:
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99 std::list<ITriggerListener*> m_listeners;
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100 std::list<Trigger*> m_triggers;
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101 };
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102 }
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103
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104 #endif