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: Benjamin Grauer |
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13 | co-programmer: ... |
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14 | */ |
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15 | |
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16 | #include "framework.h" |
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17 | |
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18 | #include "physics_engine.h" |
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19 | #include "particle_engine.h" |
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20 | |
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21 | #include "p_node.h" |
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22 | #include "null_parent.h" |
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23 | #include "state.h" |
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24 | #include "debug.h" |
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25 | #include "graphics_engine.h" |
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26 | #include "light.h" |
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27 | #include "resource_manager.h" |
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28 | #include "camera.h" |
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29 | |
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30 | int verbose; |
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31 | |
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32 | void Framework::initModule() |
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33 | { |
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34 | // Creating a Test Particle System |
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35 | ParticleSystem* system = new ParticleSystem(100000, PARTICLE_SPRITE); |
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36 | system->setLifeSpan(5); |
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37 | system->setConserve(.999); |
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38 | system->setRadius(4, 3, 1, 2); |
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39 | system->setColor(.5,0,0,.5, 1,1,0,1, 0,0,0,0); |
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40 | |
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41 | // Creating a Test Particle Emitter |
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42 | ParticleEmitter* emitter = new ParticleEmitter(Vector(0 , 1, 0), M_PI_4, 20, .1); |
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43 | emitter->setType(EMITTER_DOT ); |
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44 | emitter->setSize(0); |
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45 | emitter->setRelCoor(Vector(0,0,0)); |
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46 | |
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47 | // Add the Flow from the Emitter into the System |
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48 | ParticleEngine::getInstance()->addConnection(emitter, system); |
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49 | } |
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50 | |
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51 | bool Framework::mainLoop() |
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52 | { |
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53 | while(true) |
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54 | { |
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55 | // keyhandler returns false if sdl gets quit by some event |
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56 | if (!this->keyHandler()) |
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57 | return false; |
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58 | |
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59 | // tick the scene |
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60 | float dt = this->tick(); |
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61 | |
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62 | // Draw the scene |
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63 | this->draw(dt); |
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64 | } |
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65 | } |
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66 | |
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67 | |
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68 | bool Framework::draw(float dt) |
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69 | { |
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70 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); |
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71 | glLoadIdentity(); // Reset the view |
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72 | |
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73 | ParticleEngine::getInstance()->draw(dt); |
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74 | |
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75 | camera->apply(); |
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76 | |
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77 | SDL_GL_SwapBuffers(); // Swap the buffers |
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78 | } |
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79 | |
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80 | |
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81 | float Framework::tick() |
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82 | { |
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83 | currFrame = SDL_GetTicks(); |
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84 | float dt = (float)(currFrame - lastFrame) / 1000.0; |
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85 | lastFrame = currFrame; |
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86 | |
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87 | ParticleEngine::getInstance()->tick(dt); |
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88 | |
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89 | NullParent::getInstance()->update(dt); |
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90 | return dt; |
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91 | } |
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92 | |
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93 | |
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94 | bool Framework::keyHandler() |
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95 | { |
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96 | // This is the main loop for the entire program and it will run until done==TRUE |
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97 | { |
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98 | // And poll for events |
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99 | SDL_Event event; |
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100 | while(SDL_PollEvent(&event)) |
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101 | { |
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102 | switch (event.type) { |
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103 | case SDL_MOUSEMOTION: |
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104 | { |
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105 | Vector view = camera->getTarget()->getAbsCoor() - camera->getAbsCoor(); |
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106 | Vector up = Vector(0, 1, 0); |
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107 | up = camera->getAbsDir().apply(up); |
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108 | Vector h = up.cross(view); |
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109 | Vector v = h.cross(view); |
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110 | h.normalize(); |
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111 | v.normalize(); |
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112 | |
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113 | if (mouseDown[1]) |
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114 | camera->setRelCoor(camera->getRelCoor()+ h * event.motion.xrel *.05 - v * event.motion.yrel * .05); |
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115 | if (mouseDown[3]) |
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116 | camera->getTarget()->setRelCoor(camera->getTarget()->getRelCoor()+ h * event.motion.xrel *.05 - v * event.motion.yrel * .05); |
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117 | |
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118 | } |
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119 | break; |
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120 | case SDL_MOUSEBUTTONDOWN: |
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121 | switch (event.button.button) |
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122 | { |
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123 | case 4: |
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124 | PRINTF(4)("MouseWheel up\n"); |
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125 | camera->setRelCoor(camera->getRelCoor() + (camera->getTarget()->getAbsCoor() - camera->getAbsCoor())*.1); |
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126 | break; |
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127 | case 5: |
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128 | PRINTF(4)("MouseWheel down\n"); |
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129 | camera->setRelCoor(camera->getRelCoor() - (camera->getTarget()->getAbsCoor() - camera->getAbsCoor())*.1); |
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130 | break; |
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131 | case 1: |
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132 | case 2: |
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133 | case 3: |
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134 | mouseDown[event.button.button] = true; |
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135 | break; |
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136 | } |
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137 | |
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138 | break; |
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139 | case SDL_MOUSEBUTTONUP: |
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140 | switch (event.button.button) |
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141 | { |
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142 | case 1: |
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143 | case 2: |
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144 | case 3: |
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145 | mouseDown[event.button.button] = false; |
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146 | break; |
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147 | } |
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148 | break; |
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149 | case SDL_VIDEORESIZE: |
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150 | GraphicsEngine::getInstance()->resolutionChanged(&event.resize); |
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151 | break; |
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152 | case SDL_KEYDOWN: |
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153 | switch (event.key.keysym.sym) |
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154 | { |
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155 | case SDLK_x: |
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156 | |
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157 | break; |
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158 | case SDLK_c: |
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159 | |
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160 | break; |
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161 | case SDLK_i: |
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162 | ParticleEngine::getInstance()->debug(); |
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163 | break; |
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164 | case SDLK_a: |
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165 | camera->setRelCoor(camera->getRelCoor() + (camera->getTarget()->getAbsCoor() - camera->getAbsCoor())*.1); |
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166 | break; |
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167 | case SDLK_z: |
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168 | camera->setRelCoor(camera->getRelCoor() - (camera->getTarget()->getAbsCoor() - camera->getAbsCoor())*.1); |
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169 | break; |
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170 | case SDLK_h: |
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171 | this->printHelp(); |
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172 | break; |
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173 | |
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174 | case SDLK_1: |
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175 | { |
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176 | ParticleEmitter* tmpEmit = ParticleEngine::getInstance()->getEmitterByNumber(1); |
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177 | if (tmpEmit) |
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178 | { |
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179 | tmpEmit->setEmissionRate(tmpEmit->getEmissionRate() +1.0); |
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180 | PRINT(3)("emissionRate set to %f\n", tmpEmit->getEmissionRate()); |
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181 | } |
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182 | } |
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183 | break; |
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184 | case SDLK_2: |
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185 | { |
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186 | ParticleEmitter* tmpEmit = ParticleEngine::getInstance()->getEmitterByNumber(1); |
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187 | if (tmpEmit) |
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188 | { |
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189 | tmpEmit->setEmissionRate(tmpEmit->getEmissionRate() -1.0); |
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190 | PRINT(3)("emissionRate set to %f\n", tmpEmit->getEmissionRate()); |
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191 | } |
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192 | } |
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193 | break; |
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194 | case SDLK_3: |
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195 | { |
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196 | ParticleEmitter* tmpEmit = ParticleEngine::getInstance()->getEmitterByNumber(1); |
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197 | if (tmpEmit) |
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198 | { |
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199 | tmpEmit->setEmissionVelocity(tmpEmit->getEmissionVelocity() -.01); |
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200 | PRINT(3)("emissionVelocity set to %f\n", tmpEmit->getEmissionVelocity()); |
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201 | } |
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202 | } |
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203 | break; |
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204 | case SDLK_4: |
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205 | { |
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206 | ParticleEmitter* tmpEmit = ParticleEngine::getInstance()->getEmitterByNumber(1); |
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207 | if (tmpEmit) |
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208 | { |
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209 | tmpEmit->setEmissionVelocity(tmpEmit->getEmissionVelocity() + .01); |
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210 | PRINT(3)("emissionVelocity set to %f\n", tmpEmit->getEmissionVelocity()); |
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211 | } |
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212 | } |
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213 | break; |
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214 | case SDLK_5: |
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215 | { |
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216 | ParticleEmitter* tmpEmit = ParticleEngine::getInstance()->getEmitterByNumber(1); |
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217 | if (tmpEmit) |
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218 | { |
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219 | tmpEmit->setSpread(tmpEmit->getSpread() +.1); |
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220 | PRINT(3)("emissionSpreadAngle set to %f\n", tmpEmit->getSpread()); |
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221 | } |
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222 | } |
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223 | break; |
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224 | case SDLK_6: |
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225 | { |
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226 | ParticleEmitter* tmpEmit = ParticleEngine::getInstance()->getEmitterByNumber(1); |
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227 | if (tmpEmit) |
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228 | { |
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229 | tmpEmit->setSpread(tmpEmit->getSpread() -.1); |
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230 | PRINT(3)("emissionSpreadAngle set to %f\n", tmpEmit->getSpread()); |
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231 | } |
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232 | } |
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233 | break; |
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234 | case SDLK_7: |
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235 | { |
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236 | ParticleEmitter* tmpEmit = ParticleEngine::getInstance()->getEmitterByNumber(1); |
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237 | if (tmpEmit) |
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238 | { |
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239 | tmpEmit->setSize(tmpEmit->getSize() - 1.0); |
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240 | PRINT(3)("EmitterSize set to %f\n", tmpEmit->getSize()); |
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241 | } |
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242 | } |
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243 | break; |
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244 | case SDLK_8: |
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245 | { |
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246 | ParticleEmitter* tmpEmit = ParticleEngine::getInstance()->getEmitterByNumber(1); |
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247 | if (tmpEmit) |
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248 | { |
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249 | tmpEmit->setSize(tmpEmit->getSize() +1.0); |
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250 | PRINT(3)("EmitterSize set to %f\n", tmpEmit->getSize()); |
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251 | } |
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252 | } |
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253 | break; |
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254 | case SDLK_9: |
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255 | { |
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256 | ParticleEmitter* tmpEmit = ParticleEngine::getInstance()->getEmitterByNumber(1); |
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257 | if (tmpEmit) |
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258 | { |
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259 | if (tmpEmit->getType() == EMITTER_DOT) |
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260 | tmpEmit->setType(EMITTER_PLANE); |
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261 | else if (tmpEmit->getType() == EMITTER_PLANE) |
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262 | tmpEmit->setType(EMITTER_CUBE); |
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263 | else if (tmpEmit->getType() == EMITTER_CUBE) |
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264 | tmpEmit->setType(EMITTER_DOT); |
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265 | PRINT(3)("EmitterType set to %d\n", tmpEmit->getType()); |
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266 | } |
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267 | } |
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268 | break; |
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269 | |
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270 | } |
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271 | break; |
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272 | |
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273 | // If a quit event was recieved |
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274 | case SDL_QUIT: |
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275 | // then we're done and we'll end this program |
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276 | return false; |
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277 | break; |
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278 | default: |
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279 | break; |
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280 | } |
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281 | |
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282 | } |
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283 | |
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284 | // Get the state of the keyboard keys |
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285 | keys = SDL_GetKeyState(NULL); |
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286 | |
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287 | // and check if ESCAPE has been pressed. If so then quit |
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288 | if(keys[SDLK_ESCAPE]) return false; |
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289 | } |
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290 | return true; |
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291 | } |
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292 | |
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293 | |
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294 | Framework::Framework() |
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295 | { |
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296 | this->lastFrame = 0; |
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297 | // Create a new OpenGL window with the title "Cone3D Basecode" at |
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298 | // 640x480x32, fullscreen and check for errors along the way |
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299 | GraphicsEngine::getInstance(); |
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300 | |
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301 | LightManager::getInstance(); |
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302 | glEnable(GL_TEXTURE_2D); |
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303 | |
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304 | // Build the font from a TGA image font.tga in the data directory |
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305 | // Hide the mouse cursor |
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306 | SDL_ShowCursor(2); |
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307 | |
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308 | for (int i = 0; i <MOUSE_BUTTON_COUNT; i++) |
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309 | mouseDown[i] = false; |
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310 | |
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311 | ResourceManager::getInstance()->setDataDir(DATA_DIRECTORY); |
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312 | |
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313 | |
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314 | initModule(); |
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315 | |
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316 | camera = new Camera(); |
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317 | |
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318 | State::getInstance()->setCamera(camera, camera->getTarget()); |
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319 | |
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320 | camera->setAbsCoor(Vector(10, 10, 0)); |
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321 | |
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322 | } |
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323 | |
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324 | Framework::~Framework() |
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325 | { |
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326 | delete GraphicsEngine::getInstance(); |
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327 | |
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328 | } |
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329 | |
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330 | |
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331 | |
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332 | void Framework::printHelp(void) const |
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333 | { |
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334 | PRINT(0)(" Help for the frameWork\n"); |
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335 | PRINT(0)("========================\n"); |
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336 | PRINT(0)("h - print thisHelp\n"); |
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337 | PRINT(0)("i - state Information\n\n"); |
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338 | PRINT(0)("Emitter Properties\n"); |
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339 | PRINT(0)("1,2 - increase/decrease emissionRate\n"); |
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340 | PRINT(0)("3,4 - increase/decrease emission velocity\n"); |
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341 | PRINT(0)("5,6 - increase/decrease spread angle\n"); |
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342 | PRINT(0)("7,8 - increase-decrease emitter-size\n"); |
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343 | PRINT(0)("9 - swap emitterType\n"); |
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344 | PRINT(0)("\n"); |
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345 | |
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346 | |
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347 | } |
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348 | |
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349 | |
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350 | |
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351 | int main(int argc, char *argv[]) |
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352 | { |
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353 | verbose = 3; |
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354 | Framework* framework = new Framework(); |
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355 | framework->mainLoop(); |
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356 | |
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357 | delete framework; |
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358 | // Kill the GL & SDL screens |
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359 | // And quit |
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360 | return 0; |
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361 | } |
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