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: David Hasenfratz, Stefan Lienhard |
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13 | co-programmer: |
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14 | */ |
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15 | |
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16 | #include "movie_loader.h" |
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17 | |
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18 | #include "movie_player.h" |
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19 | #include "util/loading/factory.h" |
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20 | #include "event_handler.h" |
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21 | #include "graphics_engine.h" |
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22 | #include "util/loading/load_param.h" |
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23 | #include "state.h" |
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24 | |
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25 | |
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26 | |
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27 | |
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28 | CREATE_FACTORY(MovieLoader, CL_MOVIE_LOADER); |
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29 | |
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30 | MovieLoader::MovieLoader(const TiXmlElement* root) |
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31 | { |
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32 | this->setClassID(CL_MOVIE_LOADER, "MovieLoader"); |
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33 | |
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34 | movie_player = new MoviePlayer(); |
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35 | this->loadParams(root); |
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36 | } |
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37 | |
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38 | MovieLoader::~MovieLoader() |
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39 | { |
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40 | delete this->movie_player; |
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41 | } |
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42 | |
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43 | |
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44 | |
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45 | void MovieLoader::loadParams(const TiXmlElement* root) |
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46 | { |
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47 | StoryEntity::loadParams(root); |
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48 | |
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49 | LoadParam(root, "movie", this, MovieLoader, loadMovie); |
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50 | LoadParam(root, "fps", this, MovieLoader, setFPS); |
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51 | } |
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52 | |
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53 | void MovieLoader::setFPS(float fps) |
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54 | { |
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55 | this->movie_player->setFPS(fps); |
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56 | } |
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57 | |
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58 | void MovieLoader::loadMovie(const std::string& filename) |
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59 | { |
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60 | movie_player->loadMovie(filename); |
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61 | } |
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62 | |
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63 | |
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64 | ErrorMessage MovieLoader::init() {} |
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65 | |
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66 | |
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67 | ErrorMessage MovieLoader::loadData() {} |
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68 | |
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69 | |
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70 | ErrorMessage MovieLoader::unloadData() |
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71 | { |
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72 | this->unsubscribeEvents(ES_GAME); |
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73 | } |
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74 | |
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75 | bool MovieLoader::start() |
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76 | { |
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77 | EventHandler::getInstance()->pushState(ES_GAME); |
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78 | |
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79 | this->movie_player->start(0); |
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80 | |
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81 | this->bRunning = true; |
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82 | this->run(); |
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83 | } |
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84 | |
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85 | bool MovieLoader::stop() |
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86 | { |
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87 | EventHandler::getInstance()->popState(); |
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88 | |
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89 | this->bRunning = false; |
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90 | } |
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91 | |
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92 | bool MovieLoader::pause() { } |
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93 | bool MovieLoader::resume() { } |
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94 | |
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95 | void MovieLoader::run() |
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96 | { |
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97 | // first timestamp for t = 0 |
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98 | this->lastFrame = SDL_GetTicks (); |
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99 | |
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100 | while( this->bRunning) |
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101 | { |
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102 | EventHandler::getInstance()->process(); |
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103 | this->tick(); |
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104 | this->draw(); |
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105 | } |
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106 | } |
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107 | |
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108 | void MovieLoader::process(const Event &event) {} |
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109 | |
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110 | void MovieLoader::draw() const |
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111 | { |
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112 | glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
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113 | |
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114 | |
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115 | GraphicsEngine::enter2DMode(); |
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116 | |
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117 | glPushAttrib(GL_ENABLE_BIT); |
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118 | glEnable(GL_TEXTURE_2D); |
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119 | glBindTexture(GL_TEXTURE_2D, movie_player->getTexture()); |
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120 | |
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121 | glColor3f(1.0, 1.0, 1.0); |
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122 | |
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123 | glBegin(GL_QUADS); |
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124 | glTexCoord2f(0.0f, 0.0f); glVertex2f( 0, 0); |
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125 | glTexCoord2f(0.0f, 1.0f); glVertex2f( 0, State::getResY()); |
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126 | glTexCoord2f(1.0f, 1.0f); glVertex2f( State::getResX(), State::getResY()); |
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127 | glTexCoord2f(1.0f, 0.0f); glVertex2f( State::getResX(), 0); |
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128 | glEnd(); |
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129 | |
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130 | glPopAttrib(); |
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131 | GraphicsEngine::leave2DMode(); |
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132 | |
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133 | SDL_GL_SwapBuffers(); |
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134 | } |
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135 | |
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136 | |
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137 | void MovieLoader::tick() |
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138 | { |
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139 | // get timestamp |
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140 | currentFrame = SDL_GetTicks(); |
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141 | |
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142 | // calculate time difference in milliseconds (Uint32) |
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143 | this->dt = currentFrame - this->lastFrame; |
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144 | // calculate time difference in seconds (float) |
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145 | this->dts = (float)this->dt / 1000.0f; |
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146 | |
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147 | movie_player->tick(dts); |
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148 | |
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149 | if (movie_player->getStatus() == STOP) |
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150 | this->bRunning = false; |
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151 | |
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152 | this->lastFrame = currentFrame; |
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153 | } |
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