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annotate engine/core/util/time/timeevent.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
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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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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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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_TIMEVENT_H
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23 #define FIFE_TIMEVENT_H
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24
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25 // Standard C++ library includes
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26
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27 // 3rd party library includes
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28
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29 // FIFE includes
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30 // These includes are split up in two parts, separated by one empty line
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31 // First block: files included from the FIFE root src directory
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32 // Second block: files included from the same folder
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33
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34 namespace FIFE {
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35
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36 /** Interface for events to be registered with TimeManager.
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37 *
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38 * To register a class with TimeManager firstly derive a class
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39 * from this and override the updateEvent() function. updateEvent()
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40 * will be called periodically depending on the value of getPeriod()
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41 * which can be set using the constructor or setPeriod(). A value
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42 * of -1 will never be updated, 0 will updated every frame and a value
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43 * over 0 defines the number of milliseconds between updates.
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44 *
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45 * @see TimeManager
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46 */
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47 class TimeEvent {
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48 public:
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49 /** Default constructor.
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50 *
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51 * @param period The period of the event. See class description.
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52 */
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53 TimeEvent(int period = -1);
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54
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55 /** Destructor.
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56 *
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57 */
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58 virtual ~TimeEvent();
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59
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60 /** Update function to be overridden by client.
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61 *
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62 * @param time_delta Time.
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63 */
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64 virtual void updateEvent(unsigned long time) = 0;
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65
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66 /** Called by TimeManager to update the event.
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67 *
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68 * @param time Current time. Used To check if its time to update.
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69 */
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70 void managerUpdateEvent(unsigned long time);
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71
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72 /** Set the period of the event.
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73 *
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74 * @param period The period of the event. See class description.
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75 */
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76 void setPeriod(int period);
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77
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78 /** Get the period of the event.
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79 *
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80 * @return The period of the event. See class description.
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81 */
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82 int getPeriod();
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83
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84 /** Get the last time the event was updated.
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85 *
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86 * @return Time of last update.
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87 */
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88 unsigned long getLastUpdateTime();
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89
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90 /** Set the last time the event was updated.
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91 *
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92 * @param Time of last update.
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93 */
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94 void setLastUpdateTime(unsigned long);
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95
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96 private:
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97 // The period of the event. See the class description.
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98 int m_period;
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99
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100 // The last time the class was updated.
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101 unsigned long m_last_updated;
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102 };
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103
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104 }//FIFE
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105
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106 #endif