1 | /* |
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2 | orxonox - the future of 3D-vertical-scrollers |
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3 | |
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4 | Copyright (C) 2004 orx |
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5 | |
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6 | This program 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, or (at your option) |
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9 | any later version. |
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10 | |
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11 | ### File Specific: |
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12 | main-programmer: ... |
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13 | co-programmer: ... |
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14 | */ |
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15 | |
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16 | //#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_ENTITY |
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17 | |
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18 | #include "particle_engine.h" |
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19 | |
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20 | #include "particle_system.h" |
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21 | #include "particle_emitter.h" |
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22 | |
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23 | #include "list.h" |
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24 | |
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25 | using namespace std; |
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26 | |
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27 | /** |
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28 | \brief standard constructor |
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29 | */ |
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30 | ParticleEngine::ParticleEngine () |
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31 | { |
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32 | this->setClassName ("ParticleEngine"); |
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33 | |
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34 | this->systemList = new tList<ParticleSystem>; |
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35 | |
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36 | this->connectionList = new tList<ParticleConnection>; |
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37 | } |
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38 | |
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39 | /** |
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40 | \brief the singleton reference to this class |
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41 | */ |
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42 | ParticleEngine* ParticleEngine::singletonRef = NULL; |
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43 | |
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44 | /** |
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45 | \returns a Pointer to this Class |
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46 | */ |
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47 | ParticleEngine* ParticleEngine::getInstance(void) |
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48 | { |
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49 | if (!ParticleEngine::singletonRef) |
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50 | ParticleEngine::singletonRef = new ParticleEngine(); |
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51 | return ParticleEngine::singletonRef; |
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52 | } |
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53 | |
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54 | /** |
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55 | \brief standard destructor |
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56 | |
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57 | */ |
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58 | ParticleEngine::~ParticleEngine () |
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59 | { |
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60 | delete this->systemList; |
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61 | |
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62 | delete this->connectionList; |
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63 | |
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64 | ParticleEngine::singletonRef = NULL; |
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65 | } |
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66 | |
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67 | void ParticleEngine::addSystem(ParticleSystem* system) |
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68 | { |
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69 | this->systemList->add(system); |
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70 | } |
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71 | |
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72 | |
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73 | /** |
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74 | \brief |
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75 | |
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76 | \todo header, check for double connections |
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77 | */ |
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78 | void ParticleEngine::addConnection(ParticleEmitter* emitter, ParticleSystem* system) |
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79 | { |
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80 | ParticleConnection* tmpCon = new ParticleConnection; |
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81 | tmpCon->emitter = emitter; |
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82 | tmpCon->system = system; |
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83 | |
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84 | this->connectionList->add(tmpCon); |
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85 | } |
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86 | |
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87 | |
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88 | /** |
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89 | \brief this function ticks all the ParticleSystems, so an animation will flow |
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90 | \param dt passed since last tick |
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91 | */ |
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92 | void ParticleEngine::tick(float dt) |
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93 | { |
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94 | // add new Particles to each System they are connected to. |
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95 | tIterator<ParticleConnection>* tmpConIt = connectionList->getIterator(); |
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96 | ParticleConnection* tmpConnection = tmpConIt->nextElement(); |
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97 | while(tmpConnection) |
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98 | { |
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99 | tmpConnection->emitter->tick(dt, tmpConnection->system); |
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100 | tmpConnection = tmpConIt->nextElement(); |
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101 | } |
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102 | delete tmpConIt; |
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103 | |
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104 | |
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105 | // ticks all the ParticleSystems |
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106 | tIterator<ParticleSystem>* tmpIt = systemList->getIterator(); |
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107 | ParticleSystem* tmpSys = tmpIt->nextElement(); |
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108 | while(tmpSys) |
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109 | { |
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110 | tmpSys->tick(dt); |
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111 | tmpSys = tmpIt->nextElement(); |
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112 | } |
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113 | delete tmpIt; |
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114 | |
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115 | } |
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116 | |
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117 | |
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118 | void ParticleEngine::draw(void) |
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119 | { |
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120 | tIterator<ParticleSystem>* tmpIt = systemList->getIterator(); |
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121 | ParticleSystem* tmpSys = tmpIt->nextElement(); |
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122 | while(tmpSys) |
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123 | { |
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124 | tmpSys->draw(); |
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125 | tmpSys = tmpIt->nextElement(); |
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126 | } |
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127 | delete tmpIt; |
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128 | |
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129 | } |
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