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annotate engine/core/util/time/timemanager.h @ 606:a5c890f0e757

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This is a temporary fix for the timer issue which causes random segfaults. Timers are no longer deleted prematurely. [t:483]
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Thu, 16 Sep 2010 16:46:17 +0000
parents 90005975cdbb
children
rev   line source
0
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1 /***************************************************************************
46
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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 *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library 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 GNU *
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14 * Lesser 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 Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
0
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21
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22 #ifndef FIFE_TIMEMANAGER_H
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23 #define FIFE_TIMEMANAGER_H
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24
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25 // Standard C++ library includes
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26 #include <vector>
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27
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28 // 3rd party library includes
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29
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30 // FIFE includes
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31 // These includes are split up in two parts, separated by one empty line
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32 // First block: files included from the FIFE root src directory
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33 // Second block: files included from the same folder
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34 #include "util/base/singleton.h"
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35
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36 namespace FIFE {
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37
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38 class TimeEvent;
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39
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40 /** Time Manager
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41 *
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42 * This class is in charge of storing the current time,
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43 * average frame time, as well as controlling periodic events.
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44 * Users of this class will have to manually register and
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45 * unregister events.
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46 *
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47 * @see TimeEvent
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48 */
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49 class TimeManager : public DynamicSingleton<TimeManager> {
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50 public:
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51 /** Default constructor.
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52 */
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53 TimeManager();
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54
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55 /** Destructor.
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56 */
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57 virtual ~TimeManager();
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58
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59 /** Called once a frame and updates the timer objects and events.
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60 */
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61 void update();
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62
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63 /** Adds a TimeEvent.
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64 *
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65 * The event will be updated regularly, depending on its settings.
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66 * @param event The TimeEvent object to be added.
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67 */
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68 void registerEvent(TimeEvent* event);
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69
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70 /** Removes a TimeEvent.
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71 *
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72 * Removes an event from the list. It will not be deleted.
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73 * @param event The TimeEvent object to be removed.
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74 */
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75 void unregisterEvent(TimeEvent* event);
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76
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77 /** Get the time.
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78 *
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79 * @return The time in milliseconds.
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80 */
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81 unsigned long getTime() const;
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82
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83 /** Get the time since the last frame.
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84 *
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85 * @return Time since last frame in milliseconds.
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86 */
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87 unsigned long getTimeDelta() const;
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88
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89 /** Gets average frame time
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90 *
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91 * @return Average frame time in milliseconds.
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92 */
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93 double getAverageFrameTime() const;
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94
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95 /** Prints Timer statistics
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96 */
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97 void printStatistics() const;
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98
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99 private:
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100 /// Current time in milliseconds.
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101 unsigned long m_current_time;
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102 /// Time since last frame in milliseconds.
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103 unsigned long m_time_delta;
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104 /// Average frame time in milliseconds.
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105 double m_average_frame_time;
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106
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107 /// List of active TimeEvents.
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108 std::vector<TimeEvent*> m_events_list;
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109 };
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110
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111 }//FIFE
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112
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
113 #endif