1 | /*
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2 | -----------------------------------------------------------------------------
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3 | This source file is part of OGRE
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4 | (Object-oriented Graphics Rendering Engine)
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5 | For the latest info, see http://www.ogre3d.org/
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6 |
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7 | Copyright (c) 2000-2005 The OGRE Team
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8 | Also see acknowledgements in Readme.html
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9 |
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10 | This program is free software; you can redistribute it and/or modify it under
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11 | the terms of the GNU Lesser General Public License as published by the Free Software
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12 | Foundation; either version 2 of the License, or (at your option) any later
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13 | version.
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14 |
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15 | This program is distributed in the hope that it will be useful, but WITHOUT
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16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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18 |
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19 | You should have received a copy of the GNU Lesser General Public License along with
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20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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22 | http://www.gnu.org/copyleft/lesser.txt.
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23 | -----------------------------------------------------------------------------
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24 | */
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25 | #include "OgreStableHeaders.h"
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26 |
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27 | #include "OgreParticleSystemManager.h"
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28 | #include "OgreParticleEmitterFactory.h"
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29 | #include "OgreParticleAffectorFactory.h"
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30 | #include "OgreException.h"
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31 | #include "OgreRoot.h"
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32 | #include "OgreLogManager.h"
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33 | #include "OgreString.h"
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34 | #include "OgreParticleSystemRenderer.h"
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35 | #include "OgreBillboardParticleRenderer.h"
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36 |
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37 | namespace Ogre {
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38 | //-----------------------------------------------------------------------
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39 | // Shortcut to set up billboard particle renderer
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40 | BillboardParticleRendererFactory* mBillboardRendererFactory = 0;
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41 | //-----------------------------------------------------------------------
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42 | template<> ParticleSystemManager* Singleton<ParticleSystemManager>::ms_Singleton = 0;
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43 | ParticleSystemManager* ParticleSystemManager::getSingletonPtr(void)
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44 | {
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45 | return ms_Singleton;
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46 | }
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47 | ParticleSystemManager& ParticleSystemManager::getSingleton(void)
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48 | {
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49 | assert( ms_Singleton ); return ( *ms_Singleton );
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50 | }
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51 | //-----------------------------------------------------------------------
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52 | ParticleSystemManager::ParticleSystemManager()
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53 | {
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54 | mTimeFactor = 1;
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55 | mScriptPatterns.push_back("*.particle");
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56 | ResourceGroupManager::getSingleton()._registerScriptLoader(this);
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57 | }
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58 | //-----------------------------------------------------------------------
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59 | ParticleSystemManager::~ParticleSystemManager()
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60 | {
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61 | // Destroy all templates
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62 | ParticleTemplateMap::iterator t;
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63 | for (t = mSystemTemplates.begin(); t != mSystemTemplates.end(); ++t)
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64 | {
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65 | delete t->second;
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66 | }
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67 | mSystemTemplates.clear();
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68 | // Destroy all systems
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69 | ParticleSystemMap::iterator i;
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70 | for (i = mSystems.begin(); i != mSystems.end(); ++i)
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71 | {
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72 | delete i->second;
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73 | }
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74 | mSystems.clear();
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75 | ResourceGroupManager::getSingleton()._unregisterScriptLoader(this);
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76 | // delete billboard factory
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77 | if (mBillboardRendererFactory)
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78 | {
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79 | delete mBillboardRendererFactory;
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80 | mBillboardRendererFactory = 0;
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81 | }
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82 |
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83 | }
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84 | //-----------------------------------------------------------------------
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85 | const StringVector& ParticleSystemManager::getScriptPatterns(void) const
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86 | {
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87 | return mScriptPatterns;
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88 | }
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89 | //-----------------------------------------------------------------------
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90 | Real ParticleSystemManager::getLoadingOrder(void) const
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91 | {
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92 | /// Load late
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93 | return 1000.0f;
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94 | }
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95 | //-----------------------------------------------------------------------
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96 | void ParticleSystemManager::parseScript(DataStreamPtr& stream, const String& groupName)
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97 | {
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98 | String line;
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99 | ParticleSystem* pSys;
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100 | std::vector<String> vecparams;
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101 |
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102 | pSys = 0;
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103 |
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104 | while(!stream->eof())
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105 | {
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106 | line = stream->getLine();
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107 | // Ignore comments & blanks
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108 | if (!(line.length() == 0 || line.substr(0,2) == "//"))
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109 | {
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110 | if (pSys == 0)
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111 | {
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112 | // No current system
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113 | // So first valid data should be a system name
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114 | pSys = createTemplate(line, groupName);
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115 | pSys->_notifyOrigin(stream->getName());
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116 | // Skip to and over next {
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117 | skipToNextOpenBrace(stream);
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118 | }
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119 | else
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120 | {
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121 | // Already in a system
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122 | if (line == "}")
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123 | {
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124 | // Finished system
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125 | pSys = 0;
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126 | }
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127 | else if (line.substr(0,7) == "emitter")
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128 | {
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129 | // new emitter
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130 | // Get typename
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131 | vecparams = StringUtil::split(line, "\t ");
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132 | if (vecparams.size() < 2)
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133 | {
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134 | // Oops, bad emitter
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135 | LogManager::getSingleton().logMessage("Bad particle system emitter line: '"
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136 | + line + "' in " + pSys->getName());
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137 | skipToNextCloseBrace(stream);
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138 |
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139 | }
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140 | skipToNextOpenBrace(stream);
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141 | parseNewEmitter(vecparams[1], stream, pSys);
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142 |
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143 | }
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144 | else if (line.substr(0,8) == "affector")
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145 | {
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146 | // new affector
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147 | // Get typename
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148 | vecparams = StringUtil::split(line, "\t ");
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149 | if (vecparams.size() < 2)
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150 | {
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151 | // Oops, bad emitter
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152 | LogManager::getSingleton().logMessage("Bad particle system affector line: '"
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153 | + line + "' in " + pSys->getName());
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154 | skipToNextCloseBrace(stream);
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155 |
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156 | }
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157 | skipToNextOpenBrace(stream);
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158 | parseNewAffector(vecparams[1],stream, pSys);
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159 | }
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160 | else
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161 | {
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162 | // Attribute
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163 | parseAttrib(line, pSys);
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164 | }
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165 |
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166 | }
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167 |
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168 | }
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169 |
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170 |
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171 | }
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172 |
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173 |
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174 | }
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175 | //-----------------------------------------------------------------------
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176 | void ParticleSystemManager::addEmitterFactory(ParticleEmitterFactory* factory)
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177 | {
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178 | String name = factory->getName();
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179 | mEmitterFactories[name] = factory;
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180 | LogManager::getSingleton().logMessage("Particle Emitter Type '" + name + "' registered");
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181 | }
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182 | //-----------------------------------------------------------------------
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183 | void ParticleSystemManager::addAffectorFactory(ParticleAffectorFactory* factory)
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184 | {
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185 | String name = factory->getName();
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186 | mAffectorFactories[name] = factory;
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187 | LogManager::getSingleton().logMessage("Particle Affector Type '" + name + "' registered");
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188 | }
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189 | //-----------------------------------------------------------------------
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190 | void ParticleSystemManager::addRendererFactory(ParticleSystemRendererFactory* factory)
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191 | {
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192 | String name = factory->getType();
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193 | mRendererFactories[name] = factory;
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194 | LogManager::getSingleton().logMessage("Particle Renderer Type '" + name + "' registered");
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195 | }
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196 | //-----------------------------------------------------------------------
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197 | void ParticleSystemManager::addTemplate(const String& name, ParticleSystem* sysTemplate)
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198 | {
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199 | // check name
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200 | if (mSystemTemplates.find(name) != mSystemTemplates.end())
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201 | {
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202 | OGRE_EXCEPT(Exception::ERR_DUPLICATE_ITEM,
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203 | "ParticleSystem template with name '" + name + "' already exists.",
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204 | "ParticleSystemManager::addTemplate");
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205 | }
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206 |
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207 | mSystemTemplates[name] = sysTemplate;
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208 | }
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209 | //-----------------------------------------------------------------------
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210 | ParticleSystem* ParticleSystemManager::createTemplate(const String& name,
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211 | const String& resourceGroup)
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212 | {
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213 | // check name
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214 | if (mSystemTemplates.find(name) != mSystemTemplates.end())
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215 | {
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216 | OGRE_EXCEPT(Exception::ERR_DUPLICATE_ITEM,
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217 | "ParticleSystem template with name '" + name + "' already exists.",
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218 | "ParticleSystemManager::createTemplate");
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219 | }
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220 |
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221 | ParticleSystem* tpl = new ParticleSystem(name, resourceGroup);
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222 | addTemplate(name, tpl);
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223 | return tpl;
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224 |
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225 | }
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226 | //-----------------------------------------------------------------------
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227 | ParticleSystem* ParticleSystemManager::getTemplate(const String& name)
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228 | {
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229 | ParticleTemplateMap::iterator i = mSystemTemplates.find(name);
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230 | if (i != mSystemTemplates.end())
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231 | {
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232 | return i->second;
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233 | }
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234 | else
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235 | {
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236 | return 0;
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237 | }
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238 | }
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239 | //-----------------------------------------------------------------------
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240 | ParticleSystem* ParticleSystemManager::createSystem(const String& name, size_t quota,
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241 | const String& resourceGroup)
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242 | {
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243 | // check name
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244 | if (mSystems.find(name) != mSystems.end())
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245 | {
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246 | OGRE_EXCEPT(Exception::ERR_DUPLICATE_ITEM,
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247 | "ParticleSystem with name '" + name + "' already exists.",
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248 | "ParticleSystemManager::createSystem");
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249 | }
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250 | ParticleSystem* sys = new ParticleSystem(name, resourceGroup);
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251 | sys->setParticleQuota(quota);
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252 | mSystems.insert( ParticleSystemMap::value_type( name, sys ) );
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253 | return sys;
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254 | }
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255 | //-----------------------------------------------------------------------
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256 | ParticleSystem* ParticleSystemManager::createSystem(const String& name, const String& templateName)
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257 | {
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258 | // check name
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259 | if (mSystems.find(name) != mSystems.end())
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260 | {
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261 | OGRE_EXCEPT(Exception::ERR_DUPLICATE_ITEM,
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262 | "ParticleSystem with name '" + name + "' already exists.",
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263 | "ParticleSystemManager::createSystem");
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264 | }
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265 | // Look up template
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266 | ParticleSystem* pTemplate = getTemplate(templateName);
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267 | if (!pTemplate)
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268 | {
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269 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Cannot find required template '" + templateName + "'", "ParticleSystemManager::createSystem");
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270 | }
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271 |
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272 | ParticleSystem* sys = createSystem(name, pTemplate->getParticleQuota(),
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273 | pTemplate->getResourceGroupName());
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274 | // Copy template settings
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275 | *sys = *pTemplate;
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276 | return sys;
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277 |
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278 | }
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279 | //-----------------------------------------------------------------------
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280 | void ParticleSystemManager::destroySystem(const String& name)
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281 | {
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282 | ParticleSystemMap::iterator i = mSystems.find(name);
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283 | if (i != mSystems.end())
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284 | {
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285 | delete i->second;
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286 | mSystems.erase(i);
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287 | }
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288 | }
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289 | //-----------------------------------------------------------------------
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290 | void ParticleSystemManager::destroySystem(ParticleSystem* sys)
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291 | {
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292 | ParticleSystemMap::iterator i;
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293 | for (i = mSystems.begin(); i != mSystems.end(); ++i)
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294 | {
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295 | if (i->second == sys)
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296 | {
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297 | delete i->second;
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298 | mSystems.erase(i);
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299 | break;
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300 | }
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301 | }
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302 | }
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303 |
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304 | //-----------------------------------------------------------------------
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305 | ParticleSystem* ParticleSystemManager::getSystem(const String& name)
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306 | {
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307 | ParticleSystemMap::iterator i = mSystems.find(name);
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308 | if (i != mSystems.end())
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309 | {
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310 | return i->second;
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311 | }
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312 | else
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313 | {
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314 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Cannot find particle system '" + name + "'",
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315 | "ParticleSystemManager::getSystem");
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316 | }
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317 | }
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318 |
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319 | //-----------------------------------------------------------------------
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320 | ParticleEmitter* ParticleSystemManager::_createEmitter(
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321 | const String& emitterType, ParticleSystem* psys)
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322 | {
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323 | // Locate emitter type
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324 | ParticleEmitterFactoryMap::iterator pFact = mEmitterFactories.find(emitterType);
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325 |
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326 | if (pFact == mEmitterFactories.end())
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327 | {
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328 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Cannot find requested emitter type.",
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329 | "ParticleSystemManager::_createEmitter");
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330 | }
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331 |
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332 | return pFact->second->createEmitter(psys);
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333 | }
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334 | //-----------------------------------------------------------------------
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335 | void ParticleSystemManager::_destroyEmitter(ParticleEmitter* emitter)
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336 | {
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337 | // Destroy using the factory which created it
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338 | ParticleEmitterFactoryMap::iterator pFact = mEmitterFactories.find(emitter->getType());
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339 |
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340 | if (pFact == mEmitterFactories.end())
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341 | {
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342 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Cannot find emitter factory to destroy emitter.",
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343 | "ParticleSystemManager::_destroyEmitter");
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344 | }
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345 |
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346 | pFact->second->destroyEmitter(emitter);
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347 | }
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348 | //-----------------------------------------------------------------------
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349 | ParticleAffector* ParticleSystemManager::_createAffector(
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350 | const String& affectorType, ParticleSystem* psys)
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351 | {
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352 | // Locate affector type
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353 | ParticleAffectorFactoryMap::iterator pFact = mAffectorFactories.find(affectorType);
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354 |
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355 | if (pFact == mAffectorFactories.end())
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356 | {
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357 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Cannot find requested affector type.",
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358 | "ParticleSystemManager::_createAffector");
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359 | }
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360 |
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361 | return pFact->second->createAffector(psys);
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362 |
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363 | }
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364 | //-----------------------------------------------------------------------
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365 | void ParticleSystemManager::_destroyAffector(ParticleAffector* affector)
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366 | {
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367 | // Destroy using the factory which created it
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368 | ParticleAffectorFactoryMap::iterator pFact = mAffectorFactories.find(affector->getType());
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369 |
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370 | if (pFact == mAffectorFactories.end())
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371 | {
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372 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Cannot find affector factory to destroy affector.",
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373 | "ParticleSystemManager::_destroyAffector");
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374 | }
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375 |
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376 | pFact->second->destroyAffector(affector);
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377 | }
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378 | //-----------------------------------------------------------------------
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379 | ParticleSystemRenderer* ParticleSystemManager::_createRenderer(const String& rendererType)
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380 | {
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381 | // Locate affector type
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382 | ParticleSystemRendererFactoryMap::iterator pFact = mRendererFactories.find(rendererType);
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383 |
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384 | if (pFact == mRendererFactories.end())
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385 | {
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386 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Cannot find requested renderer type.",
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387 | "ParticleSystemManager::_createRenderer");
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388 | }
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389 |
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390 | return pFact->second->createInstance(rendererType);
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391 | }
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392 | //-----------------------------------------------------------------------
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393 | void ParticleSystemManager::_destroyRenderer(ParticleSystemRenderer* renderer)
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394 | {
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395 | // Destroy using the factory which created it
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396 | ParticleSystemRendererFactoryMap::iterator pFact = mRendererFactories.find(renderer->getType());
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397 |
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398 | if (pFact == mRendererFactories.end())
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399 | {
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400 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Cannot find renderer factory to destroy renderer.",
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401 | "ParticleSystemManager::_destroyRenderer");
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402 | }
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403 |
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404 | pFact->second->destroyInstance(renderer);
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405 | }
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406 | //-----------------------------------------------------------------------
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407 | bool ParticleSystemManager::frameStarted(const FrameEvent &evt)
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408 | {
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409 | // Apply time factor
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410 | Real timeSinceLastFrame = mTimeFactor * evt.timeSinceLastFrame;
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411 |
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412 | // update systems
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413 | // TODO: only do this for visible systems
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414 | ParticleSystemMap::iterator i;
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415 | for (i = mSystems.begin(); i != mSystems.end(); ++i)
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416 | {
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417 | i->second->_update(timeSinceLastFrame);
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418 | }
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419 |
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420 | return true;
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421 | }
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422 | //-----------------------------------------------------------------------
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423 | bool ParticleSystemManager::frameEnded(const FrameEvent &evt)
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424 | {
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425 | return true;
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426 | }
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427 | //-----------------------------------------------------------------------
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428 | void ParticleSystemManager::_initialise(void)
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429 | {
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430 | // Register self as a frame listener
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431 | Root::getSingleton().addFrameListener(this);
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432 |
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433 | // Create Billboard renderer factory
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434 | mBillboardRendererFactory = new BillboardParticleRendererFactory();
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435 | addRendererFactory(mBillboardRendererFactory);
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436 |
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437 | }
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438 | //-----------------------------------------------------------------------
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439 | void ParticleSystemManager::parseNewEmitter(const String& type, DataStreamPtr& stream, ParticleSystem* sys)
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440 | {
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441 | // Create new emitter
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442 | ParticleEmitter* pEmit = sys->addEmitter(type);
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443 | // Parse emitter details
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444 | String line;
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445 |
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446 | while(!stream->eof())
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447 | {
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448 | line = stream->getLine();
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449 | // Ignore comments & blanks
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450 | if (!(line.length() == 0 || line.substr(0,2) == "//"))
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451 | {
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452 | if (line == "}")
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453 | {
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454 | // Finished emitter
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455 | break;
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456 | }
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457 | else
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458 | {
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459 | // Attribute
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460 | StringUtil::toLowerCase(line);
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461 | parseEmitterAttrib(line, pEmit);
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462 | }
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463 | }
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464 | }
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465 |
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466 |
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467 |
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468 | }
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469 | //-----------------------------------------------------------------------
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470 | void ParticleSystemManager::parseNewAffector(const String& type, DataStreamPtr& stream, ParticleSystem* sys)
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471 | {
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472 | // Create new affector
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473 | ParticleAffector* pAff = sys->addAffector(type);
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474 | // Parse affector details
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475 | String line;
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476 |
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477 | while(!stream->eof())
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478 | {
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479 | line = stream->getLine();
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480 | // Ignore comments & blanks
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481 | if (!(line.length() == 0 || line.substr(0,2) == "//"))
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482 | {
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483 | if (line == "}")
|
---|
484 | {
|
---|
485 | // Finished affector
|
---|
486 | break;
|
---|
487 | }
|
---|
488 | else
|
---|
489 | {
|
---|
490 | // Attribute
|
---|
491 | StringUtil::toLowerCase(line);
|
---|
492 | parseAffectorAttrib(line, pAff);
|
---|
493 | }
|
---|
494 | }
|
---|
495 | }
|
---|
496 | }
|
---|
497 | //-----------------------------------------------------------------------
|
---|
498 | void ParticleSystemManager::parseAttrib(const String& line, ParticleSystem* sys)
|
---|
499 | {
|
---|
500 | std::vector<String> vecparams;
|
---|
501 |
|
---|
502 | // Split params on space
|
---|
503 | vecparams = StringUtil::split(line, "\t ", 1);
|
---|
504 |
|
---|
505 | // Look up first param (command setting)
|
---|
506 | if (!sys->setParameter(vecparams[0], vecparams[1]))
|
---|
507 | {
|
---|
508 | // Attribute not supported by particle system, try the renderer
|
---|
509 | ParticleSystemRenderer* renderer = sys->getRenderer();
|
---|
510 | if (renderer)
|
---|
511 | {
|
---|
512 | if (!renderer->setParameter(vecparams[0], vecparams[1]))
|
---|
513 | {
|
---|
514 | LogManager::getSingleton().logMessage("Bad particle system attribute line: '"
|
---|
515 | + line + "' in " + sys->getName() + " (tried renderer)");
|
---|
516 | }
|
---|
517 | }
|
---|
518 | else
|
---|
519 | {
|
---|
520 | // BAD command. BAD!
|
---|
521 | LogManager::getSingleton().logMessage("Bad particle system attribute line: '"
|
---|
522 | + line + "' in " + sys->getName() + " (no renderer)");
|
---|
523 | }
|
---|
524 | }
|
---|
525 | }
|
---|
526 | //-----------------------------------------------------------------------
|
---|
527 | void ParticleSystemManager::parseEmitterAttrib(const String& line, ParticleEmitter* emit)
|
---|
528 | {
|
---|
529 | std::vector<String> vecparams;
|
---|
530 |
|
---|
531 | // Split params on first space
|
---|
532 | vecparams = StringUtil::split(line, "\t ", 1);
|
---|
533 |
|
---|
534 | // Look up first param (command setting)
|
---|
535 | if (!emit->setParameter(vecparams[0], vecparams[1]))
|
---|
536 | {
|
---|
537 | // BAD command. BAD!
|
---|
538 | LogManager::getSingleton().logMessage("Bad particle emitter attribute line: '"
|
---|
539 | + line + "' for emitter " + emit->getType());
|
---|
540 | }
|
---|
541 | }
|
---|
542 | //-----------------------------------------------------------------------
|
---|
543 | void ParticleSystemManager::parseAffectorAttrib(const String& line, ParticleAffector* aff)
|
---|
544 | {
|
---|
545 | std::vector<String> vecparams;
|
---|
546 |
|
---|
547 | // Split params on space
|
---|
548 | vecparams = StringUtil::split(line, "\t ", 1);
|
---|
549 |
|
---|
550 | // Look up first param (command setting)
|
---|
551 | if (!aff->setParameter(vecparams[0], vecparams[1]))
|
---|
552 | {
|
---|
553 | // BAD command. BAD!
|
---|
554 | LogManager::getSingleton().logMessage("Bad particle affector attribute line: '"
|
---|
555 | + line + "' for affector " + aff->getType());
|
---|
556 | }
|
---|
557 | }
|
---|
558 | //-----------------------------------------------------------------------
|
---|
559 | void ParticleSystemManager::skipToNextCloseBrace(DataStreamPtr& stream)
|
---|
560 | {
|
---|
561 | String line = "";
|
---|
562 | while (!stream->eof() && line != "}")
|
---|
563 | {
|
---|
564 | line = stream->getLine();
|
---|
565 | }
|
---|
566 |
|
---|
567 | }
|
---|
568 | //-----------------------------------------------------------------------
|
---|
569 | void ParticleSystemManager::skipToNextOpenBrace(DataStreamPtr& stream)
|
---|
570 | {
|
---|
571 | String line = "";
|
---|
572 | while (!stream->eof() && line != "{")
|
---|
573 | {
|
---|
574 | line = stream->getLine();
|
---|
575 | }
|
---|
576 |
|
---|
577 | }
|
---|
578 | //-----------------------------------------------------------------------
|
---|
579 | Real ParticleSystemManager::getTimeFactor(void) const {
|
---|
580 | return mTimeFactor;
|
---|
581 | }
|
---|
582 | //-----------------------------------------------------------------------
|
---|
583 | void ParticleSystemManager::setTimeFactor(Real tf) {
|
---|
584 | if(tf >= 0) mTimeFactor = tf;
|
---|
585 | }
|
---|
586 | //-----------------------------------------------------------------------
|
---|
587 | ParticleSystemManager::ParticleAffectorFactoryIterator
|
---|
588 | ParticleSystemManager::getAffectorFactoryIterator(void)
|
---|
589 | {
|
---|
590 | return ParticleAffectorFactoryIterator(
|
---|
591 | mAffectorFactories.begin(), mAffectorFactories.end());
|
---|
592 | }
|
---|
593 | //-----------------------------------------------------------------------
|
---|
594 | ParticleSystemManager::ParticleEmitterFactoryIterator
|
---|
595 | ParticleSystemManager::getEmitterFactoryIterator(void)
|
---|
596 | {
|
---|
597 | return ParticleEmitterFactoryIterator(
|
---|
598 | mEmitterFactories.begin(), mEmitterFactories.end());
|
---|
599 | }
|
---|
600 | //-----------------------------------------------------------------------
|
---|
601 | ParticleSystemManager::ParticleRendererFactoryIterator
|
---|
602 | ParticleSystemManager::getRendererFactoryIterator(void)
|
---|
603 | {
|
---|
604 | return ParticleRendererFactoryIterator(
|
---|
605 | mRendererFactories.begin(), mRendererFactories.end());
|
---|
606 | }
|
---|
607 | //-----------------------------------------------------------------------
|
---|
608 | }
|
---|