[5] | 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) 2000-2006 Torus Knot Software Ltd |
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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 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreStableHeaders.h" |
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| 30 | |
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| 31 | #include "OgreParticleSystem.h" |
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| 32 | #include "OgreParticleSystemManager.h" |
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| 33 | #include "OgreRenderQueue.h" |
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| 34 | #include "OgreBillboardSet.h" |
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| 35 | #include "OgreParticleEmitter.h" |
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| 36 | #include "OgreParticleAffector.h" |
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| 37 | #include "OgreParticle.h" |
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| 38 | #include "OgreSceneNode.h" |
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| 39 | #include "OgreCamera.h" |
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| 40 | #include "OgreStringConverter.h" |
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| 41 | #include "OgreLogManager.h" |
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| 42 | #include "OgreException.h" |
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| 43 | #include "OgreParticleAffectorFactory.h" |
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| 44 | #include "OgreParticleSystemRenderer.h" |
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| 45 | #include "OgreMaterialManager.h" |
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| 46 | #include "OgreSceneManager.h" |
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| 47 | #include "OgreControllerManager.h" |
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| 48 | #include "OgreRoot.h" |
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| 49 | |
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| 50 | namespace Ogre { |
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| 51 | // Init statics |
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| 52 | ParticleSystem::CmdCull ParticleSystem::msCullCmd; |
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| 53 | ParticleSystem::CmdHeight ParticleSystem::msHeightCmd; |
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| 54 | ParticleSystem::CmdMaterial ParticleSystem::msMaterialCmd; |
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| 55 | ParticleSystem::CmdQuota ParticleSystem::msQuotaCmd; |
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| 56 | ParticleSystem::CmdEmittedEmitterQuota ParticleSystem::msEmittedEmitterQuotaCmd; |
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| 57 | ParticleSystem::CmdWidth ParticleSystem::msWidthCmd; |
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| 58 | ParticleSystem::CmdRenderer ParticleSystem::msRendererCmd; |
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| 59 | ParticleSystem::CmdSorted ParticleSystem::msSortedCmd; |
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| 60 | ParticleSystem::CmdLocalSpace ParticleSystem::msLocalSpaceCmd; |
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| 61 | ParticleSystem::CmdIterationInterval ParticleSystem::msIterationIntervalCmd; |
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| 62 | ParticleSystem::CmdNonvisibleTimeout ParticleSystem::msNonvisibleTimeoutCmd; |
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| 63 | |
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| 64 | RadixSort<ParticleSystem::ActiveParticleList, Particle*, float> ParticleSystem::mRadixSorter; |
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| 65 | |
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| 66 | Real ParticleSystem::msDefaultIterationInterval = 0; |
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| 67 | Real ParticleSystem::msDefaultNonvisibleTimeout = 0; |
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| 68 | |
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| 69 | //----------------------------------------------------------------------- |
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| 70 | // Local class for updating based on time |
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| 71 | class ParticleSystemUpdateValue : public ControllerValue<Real> |
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| 72 | { |
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| 73 | protected: |
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| 74 | ParticleSystem* mTarget; |
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| 75 | public: |
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| 76 | ParticleSystemUpdateValue(ParticleSystem* target) : mTarget(target) {} |
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| 77 | |
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| 78 | Real getValue(void) const { return 0; } // N/A |
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| 79 | |
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| 80 | void setValue(Real value) { mTarget->_update(value); } |
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| 81 | |
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| 82 | }; |
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| 83 | //----------------------------------------------------------------------- |
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| 84 | ParticleSystem::ParticleSystem() |
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| 85 | : mAABB(), |
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| 86 | mBoundingRadius(1.0f), |
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| 87 | mBoundsAutoUpdate(true), |
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| 88 | mBoundsUpdateTime(10.0f), |
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| 89 | mUpdateRemainTime(0), |
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| 90 | mWorldAABB(), |
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| 91 | mResourceGroupName(ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME), |
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| 92 | mIsRendererConfigured(false), |
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| 93 | mSpeedFactor(1.0f), |
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| 94 | mIterationInterval(0), |
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| 95 | mIterationIntervalSet(false), |
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| 96 | mSorted(false), |
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| 97 | mLocalSpace(false), |
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| 98 | mNonvisibleTimeout(0), |
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| 99 | mNonvisibleTimeoutSet(false), |
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| 100 | mTimeSinceLastVisible(0), |
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| 101 | mLastVisibleFrame(0), |
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| 102 | mTimeController(0), |
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| 103 | mEmittedEmitterPoolInitialised(false), |
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| 104 | mRenderer(0), |
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| 105 | mCullIndividual(false), |
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| 106 | mPoolSize(0), |
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| 107 | mEmittedEmitterPoolSize(0) |
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| 108 | { |
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| 109 | initParameters(); |
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| 110 | |
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| 111 | // Default to billboard renderer |
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| 112 | setRenderer("billboard"); |
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| 113 | |
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| 114 | } |
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| 115 | //----------------------------------------------------------------------- |
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| 116 | ParticleSystem::ParticleSystem(const String& name, const String& resourceGroup) |
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| 117 | : MovableObject(name), |
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| 118 | mAABB(), |
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| 119 | mBoundingRadius(1.0f), |
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| 120 | mBoundsAutoUpdate(true), |
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| 121 | mBoundsUpdateTime(10.0f), |
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| 122 | mUpdateRemainTime(0), |
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| 123 | mWorldAABB(), |
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| 124 | mResourceGroupName(resourceGroup), |
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| 125 | mIsRendererConfigured(false), |
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| 126 | mSpeedFactor(1.0f), |
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| 127 | mIterationInterval(0), |
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| 128 | mIterationIntervalSet(false), |
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| 129 | mSorted(false), |
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| 130 | mLocalSpace(false), |
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| 131 | mNonvisibleTimeout(0), |
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| 132 | mNonvisibleTimeoutSet(false), |
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| 133 | mTimeSinceLastVisible(0), |
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| 134 | mLastVisibleFrame(Root::getSingleton().getCurrentFrameNumber()), |
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| 135 | mTimeController(0), |
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| 136 | mEmittedEmitterPoolInitialised(false), |
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| 137 | mRenderer(0), |
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| 138 | mCullIndividual(false), |
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| 139 | mPoolSize(0), |
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| 140 | mEmittedEmitterPoolSize(0) |
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| 141 | { |
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| 142 | setDefaultDimensions( 100, 100 ); |
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| 143 | setMaterialName( "BaseWhite" ); |
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| 144 | // Default to 10 particles, expect app to specify (will only be increased, not decreased) |
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| 145 | setParticleQuota( 10 ); |
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| 146 | setEmittedEmitterQuota( 3 ); |
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| 147 | initParameters(); |
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| 148 | |
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| 149 | // Default to billboard renderer |
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| 150 | setRenderer("billboard"); |
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| 151 | } |
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| 152 | //----------------------------------------------------------------------- |
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| 153 | ParticleSystem::~ParticleSystem() |
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| 154 | { |
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| 155 | if (mTimeController) |
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| 156 | { |
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| 157 | // Destroy controller |
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| 158 | ControllerManager::getSingleton().destroyController(mTimeController); |
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| 159 | mTimeController = 0; |
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| 160 | } |
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| 161 | |
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| 162 | // Arrange for the deletion of emitters & affectors |
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| 163 | removeAllEmitters(); |
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| 164 | removeAllEmittedEmitters(); |
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| 165 | removeAllAffectors(); |
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| 166 | |
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| 167 | // Deallocate all particles |
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| 168 | destroyVisualParticles(0, mParticlePool.size()); |
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| 169 | // Free pool items |
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| 170 | ParticlePool::iterator i; |
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| 171 | for (i = mParticlePool.begin(); i != mParticlePool.end(); ++i) |
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| 172 | { |
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| 173 | delete *i; |
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| 174 | } |
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| 175 | |
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| 176 | if (mRenderer) |
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| 177 | { |
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| 178 | ParticleSystemManager::getSingleton()._destroyRenderer(mRenderer); |
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| 179 | mRenderer = 0; |
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| 180 | } |
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| 181 | |
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| 182 | } |
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| 183 | //----------------------------------------------------------------------- |
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| 184 | ParticleEmitter* ParticleSystem::addEmitter(const String& emitterType) |
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| 185 | { |
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| 186 | ParticleEmitter* em = |
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| 187 | ParticleSystemManager::getSingleton()._createEmitter(emitterType, this); |
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| 188 | mEmitters.push_back(em); |
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| 189 | return em; |
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| 190 | } |
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| 191 | //----------------------------------------------------------------------- |
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| 192 | ParticleEmitter* ParticleSystem::getEmitter(unsigned short index) const |
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| 193 | { |
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| 194 | assert(index < mEmitters.size() && "Emitter index out of bounds!"); |
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| 195 | return mEmitters[index]; |
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| 196 | } |
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| 197 | //----------------------------------------------------------------------- |
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| 198 | unsigned short ParticleSystem::getNumEmitters(void) const |
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| 199 | { |
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| 200 | return static_cast< unsigned short >( mEmitters.size() ); |
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| 201 | } |
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| 202 | //----------------------------------------------------------------------- |
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| 203 | void ParticleSystem::removeEmitter(unsigned short index) |
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| 204 | { |
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| 205 | assert(index < mEmitters.size() && "Emitter index out of bounds!"); |
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| 206 | ParticleEmitterList::iterator ei = mEmitters.begin() + index; |
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| 207 | ParticleSystemManager::getSingleton()._destroyEmitter(*ei); |
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| 208 | mEmitters.erase(ei); |
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| 209 | } |
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| 210 | //----------------------------------------------------------------------- |
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| 211 | void ParticleSystem::removeAllEmitters(void) |
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| 212 | { |
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| 213 | // DON'T delete directly, we don't know what heap these have been created on |
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| 214 | ParticleEmitterList::iterator ei; |
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| 215 | for (ei = mEmitters.begin(); ei != mEmitters.end(); ++ei) |
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| 216 | { |
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| 217 | ParticleSystemManager::getSingleton()._destroyEmitter(*ei); |
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| 218 | } |
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| 219 | mEmitters.clear(); |
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| 220 | } |
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| 221 | //----------------------------------------------------------------------- |
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| 222 | ParticleAffector* ParticleSystem::addAffector(const String& affectorType) |
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| 223 | { |
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| 224 | ParticleAffector* af = |
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| 225 | ParticleSystemManager::getSingleton()._createAffector(affectorType, this); |
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| 226 | mAffectors.push_back(af); |
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| 227 | return af; |
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| 228 | } |
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| 229 | //----------------------------------------------------------------------- |
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| 230 | ParticleAffector* ParticleSystem::getAffector(unsigned short index) const |
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| 231 | { |
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| 232 | assert(index < mAffectors.size() && "Affector index out of bounds!"); |
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| 233 | return mAffectors[index]; |
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| 234 | } |
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| 235 | //----------------------------------------------------------------------- |
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| 236 | unsigned short ParticleSystem::getNumAffectors(void) const |
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| 237 | { |
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| 238 | return static_cast< unsigned short >( mAffectors.size() ); |
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| 239 | } |
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| 240 | //----------------------------------------------------------------------- |
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| 241 | void ParticleSystem::removeAffector(unsigned short index) |
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| 242 | { |
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| 243 | assert(index < mAffectors.size() && "Affector index out of bounds!"); |
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| 244 | ParticleAffectorList::iterator ai = mAffectors.begin() + index; |
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| 245 | ParticleSystemManager::getSingleton()._destroyAffector(*ai); |
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| 246 | mAffectors.erase(ai); |
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| 247 | } |
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| 248 | //----------------------------------------------------------------------- |
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| 249 | void ParticleSystem::removeAllAffectors(void) |
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| 250 | { |
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| 251 | // DON'T delete directly, we don't know what heap these have been created on |
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| 252 | ParticleAffectorList::iterator ai; |
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| 253 | for (ai = mAffectors.begin(); ai != mAffectors.end(); ++ai) |
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| 254 | { |
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| 255 | ParticleSystemManager::getSingleton()._destroyAffector(*ai); |
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| 256 | } |
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| 257 | mAffectors.clear(); |
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| 258 | } |
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| 259 | //----------------------------------------------------------------------- |
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| 260 | ParticleSystem& ParticleSystem::operator=(const ParticleSystem& rhs) |
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| 261 | { |
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| 262 | // Blank this system's emitters & affectors |
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| 263 | removeAllEmitters(); |
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| 264 | removeAllEmittedEmitters(); |
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| 265 | removeAllAffectors(); |
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| 266 | |
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| 267 | // Copy emitters |
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| 268 | unsigned int i; |
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| 269 | for(i = 0; i < rhs.getNumEmitters(); ++i) |
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| 270 | { |
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| 271 | ParticleEmitter* rhsEm = rhs.getEmitter(i); |
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| 272 | ParticleEmitter* newEm = addEmitter(rhsEm->getType()); |
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| 273 | rhsEm->copyParametersTo(newEm); |
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| 274 | } |
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| 275 | // Copy affectors |
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| 276 | for(i = 0; i < rhs.getNumAffectors(); ++i) |
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| 277 | { |
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| 278 | ParticleAffector* rhsAf = rhs.getAffector(i); |
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| 279 | ParticleAffector* newAf = addAffector(rhsAf->getType()); |
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| 280 | rhsAf->copyParametersTo(newAf); |
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| 281 | } |
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| 282 | setParticleQuota(rhs.getParticleQuota()); |
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| 283 | setEmittedEmitterQuota(rhs.getEmittedEmitterQuota()); |
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| 284 | setMaterialName(rhs.mMaterialName); |
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| 285 | setDefaultDimensions(rhs.mDefaultWidth, rhs.mDefaultHeight); |
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| 286 | mCullIndividual = rhs.mCullIndividual; |
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| 287 | mSorted = rhs.mSorted; |
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| 288 | mLocalSpace = rhs.mLocalSpace; |
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| 289 | mIterationInterval = rhs.mIterationInterval; |
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| 290 | mIterationIntervalSet = rhs.mIterationIntervalSet; |
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| 291 | mNonvisibleTimeout = rhs.mNonvisibleTimeout; |
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| 292 | mNonvisibleTimeoutSet = rhs.mNonvisibleTimeoutSet; |
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| 293 | // last frame visible and time since last visible should be left default |
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| 294 | |
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| 295 | setRenderer(rhs.getRendererName()); |
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| 296 | // Copy settings |
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| 297 | if (mRenderer && rhs.getRenderer()) |
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| 298 | { |
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| 299 | rhs.getRenderer()->copyParametersTo(mRenderer); |
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| 300 | } |
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| 301 | |
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| 302 | return *this; |
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| 303 | |
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| 304 | } |
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| 305 | //----------------------------------------------------------------------- |
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| 306 | size_t ParticleSystem::getNumParticles(void) const |
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| 307 | { |
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| 308 | return mActiveParticles.size(); |
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| 309 | } |
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| 310 | //----------------------------------------------------------------------- |
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| 311 | size_t ParticleSystem::getParticleQuota(void) const |
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| 312 | { |
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| 313 | return mPoolSize; |
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| 314 | } |
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| 315 | //----------------------------------------------------------------------- |
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| 316 | void ParticleSystem::setParticleQuota(size_t size) |
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| 317 | { |
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| 318 | // Never shrink below size() |
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| 319 | size_t currSize = mParticlePool.size(); |
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| 320 | |
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| 321 | if( currSize < size ) |
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| 322 | { |
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| 323 | // Will allocate particles on demand |
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| 324 | mPoolSize = size; |
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| 325 | |
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| 326 | } |
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| 327 | } |
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| 328 | //----------------------------------------------------------------------- |
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| 329 | size_t ParticleSystem::getEmittedEmitterQuota(void) const |
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| 330 | { |
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| 331 | return mEmittedEmitterPoolSize; |
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| 332 | } |
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| 333 | //----------------------------------------------------------------------- |
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| 334 | void ParticleSystem::setEmittedEmitterQuota(size_t size) |
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| 335 | { |
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| 336 | // Never shrink below size() |
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| 337 | EmittedEmitterPool::iterator i; |
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| 338 | size_t currSize = 0; |
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| 339 | for (i = mEmittedEmitterPool.begin(); i != mEmittedEmitterPool.end(); ++i) |
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| 340 | { |
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| 341 | currSize += i->second.size(); |
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| 342 | } |
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| 343 | |
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| 344 | if( currSize < size ) |
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| 345 | { |
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| 346 | // Will allocate emitted emitters on demand |
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| 347 | mEmittedEmitterPoolSize = size; |
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| 348 | } |
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| 349 | } |
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| 350 | //----------------------------------------------------------------------- |
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| 351 | void ParticleSystem::setNonVisibleUpdateTimeout(Real timeout) |
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| 352 | { |
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| 353 | mNonvisibleTimeout = timeout; |
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| 354 | mNonvisibleTimeoutSet = true; |
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| 355 | } |
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| 356 | //----------------------------------------------------------------------- |
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| 357 | void ParticleSystem::setIterationInterval(Real interval) |
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| 358 | { |
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| 359 | mIterationInterval = interval; |
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| 360 | mIterationIntervalSet = true; |
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| 361 | } |
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| 362 | //----------------------------------------------------------------------- |
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| 363 | void ParticleSystem::_update(Real timeElapsed) |
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| 364 | { |
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| 365 | // Only update if attached to a node |
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| 366 | if (!mParentNode) |
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| 367 | return; |
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| 368 | |
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| 369 | Real nonvisibleTimeout = mNonvisibleTimeoutSet ? |
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| 370 | mNonvisibleTimeout : msDefaultNonvisibleTimeout; |
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| 371 | |
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| 372 | if (nonvisibleTimeout > 0) |
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| 373 | { |
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| 374 | // Check whether it's been more than one frame (update is ahead of |
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| 375 | // camera notification by one frame because of the ordering) |
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| 376 | long frameDiff = Root::getSingleton().getCurrentFrameNumber() - mLastVisibleFrame; |
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| 377 | if (frameDiff > 1 || frameDiff < 0) // < 0 if wrap only |
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| 378 | { |
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| 379 | mTimeSinceLastVisible += timeElapsed; |
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| 380 | if (mTimeSinceLastVisible >= nonvisibleTimeout) |
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| 381 | { |
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| 382 | // No update |
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| 383 | return; |
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| 384 | } |
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| 385 | } |
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| 386 | } |
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| 387 | |
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| 388 | // Scale incoming speed for the rest of the calculation |
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| 389 | timeElapsed *= mSpeedFactor; |
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| 390 | |
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| 391 | // Init renderer if not done already |
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| 392 | configureRenderer(); |
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| 393 | |
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| 394 | // Initialise emitted emitters list if not done already |
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| 395 | initialiseEmittedEmitters(); |
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| 396 | |
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| 397 | Real iterationInterval = mIterationIntervalSet ? |
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| 398 | mIterationInterval : msDefaultIterationInterval; |
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| 399 | if (iterationInterval > 0) |
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| 400 | { |
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| 401 | mUpdateRemainTime += timeElapsed; |
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| 402 | |
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| 403 | while (mUpdateRemainTime >= iterationInterval) |
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| 404 | { |
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| 405 | // Update existing particles |
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| 406 | _expire(iterationInterval); |
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| 407 | _triggerAffectors(iterationInterval); |
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| 408 | _applyMotion(iterationInterval); |
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| 409 | // Emit new particles |
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| 410 | _triggerEmitters(iterationInterval); |
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| 411 | |
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| 412 | mUpdateRemainTime -= iterationInterval; |
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| 413 | } |
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| 414 | } |
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| 415 | else |
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| 416 | { |
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| 417 | // Update existing particles |
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| 418 | _expire(timeElapsed); |
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| 419 | _triggerAffectors(timeElapsed); |
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| 420 | _applyMotion(timeElapsed); |
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| 421 | // Emit new particles |
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| 422 | _triggerEmitters(timeElapsed); |
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| 423 | } |
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| 424 | |
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| 425 | if (!mBoundsAutoUpdate && mBoundsUpdateTime > 0.0f) |
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| 426 | mBoundsUpdateTime -= timeElapsed; // count down |
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| 427 | _updateBounds(); |
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| 428 | |
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| 429 | } |
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| 430 | //----------------------------------------------------------------------- |
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| 431 | void ParticleSystem::_expire(Real timeElapsed) |
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| 432 | { |
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| 433 | ActiveParticleList::iterator i, itEnd; |
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| 434 | Particle* pParticle; |
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| 435 | ParticleEmitter* pParticleEmitter; |
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| 436 | |
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| 437 | itEnd = mActiveParticles.end(); |
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| 438 | |
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| 439 | for (i = mActiveParticles.begin(); i != itEnd; ) |
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| 440 | { |
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| 441 | pParticle = static_cast<Particle*>(*i); |
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| 442 | if (pParticle->timeToLive < timeElapsed) |
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| 443 | { |
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| 444 | // Notify renderer |
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| 445 | mRenderer->_notifyParticleExpired(pParticle); |
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| 446 | |
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| 447 | // Identify the particle type |
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| 448 | if (pParticle->particleType == Particle::Visual) |
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| 449 | { |
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| 450 | // Destroy this one |
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| 451 | mFreeParticles.splice(mFreeParticles.end(), mActiveParticles, i++); |
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| 452 | } |
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| 453 | else |
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| 454 | { |
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| 455 | // For now, it can only be an emitted emitter |
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| 456 | pParticleEmitter = static_cast<ParticleEmitter*>(*i); |
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| 457 | std::list<ParticleEmitter*>* fee = findFreeEmittedEmitter(pParticleEmitter->getName()); |
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| 458 | fee->push_back(pParticleEmitter); |
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| 459 | |
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| 460 | // Also erase from mActiveEmittedEmitters |
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| 461 | removeFromActiveEmittedEmitters (pParticleEmitter); |
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| 462 | |
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| 463 | // And erase from mActiveParticles |
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| 464 | i = mActiveParticles.erase( i ); |
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| 465 | } |
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| 466 | } |
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| 467 | else |
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| 468 | { |
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| 469 | // Decrement TTL |
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| 470 | pParticle->timeToLive -= timeElapsed; |
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| 471 | ++i; |
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| 472 | } |
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| 473 | |
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| 474 | } |
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| 475 | } |
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| 476 | //----------------------------------------------------------------------- |
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| 477 | void ParticleSystem::_triggerEmitters(Real timeElapsed) |
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| 478 | { |
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| 479 | // Add up requests for emission |
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| 480 | static std::vector<unsigned> requested; |
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| 481 | if( requested.size() != mEmitters.size() ) |
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| 482 | requested.resize( mEmitters.size() ); |
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| 483 | |
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| 484 | size_t totalRequested, emitterCount, i, emissionAllowed; |
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| 485 | ParticleEmitterList::iterator itEmit, iEmitEnd; |
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| 486 | ActiveEmittedEmitterList::iterator itActiveEmit; |
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| 487 | iEmitEnd = mEmitters.end(); |
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| 488 | emitterCount = mEmitters.size(); |
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| 489 | emissionAllowed = mFreeParticles.size(); |
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| 490 | totalRequested = 0; |
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| 491 | |
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| 492 | // Count up total requested emissions for regular emitters (and exclude the ones that are used as |
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| 493 | // a template for emitted emitters) |
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| 494 | for (itEmit = mEmitters.begin(), i = 0; itEmit != iEmitEnd; ++itEmit, ++i) |
---|
| 495 | { |
---|
| 496 | if (!(*itEmit)->isEmitted()) |
---|
| 497 | { |
---|
| 498 | requested[i] = (*itEmit)->_getEmissionCount(timeElapsed); |
---|
| 499 | totalRequested += requested[i]; |
---|
| 500 | } |
---|
| 501 | } |
---|
| 502 | |
---|
| 503 | // Add up total requested emissions for (active) emitted emitters |
---|
| 504 | for (itActiveEmit = mActiveEmittedEmitters.begin(); itActiveEmit != mActiveEmittedEmitters.end(); ++itActiveEmit) |
---|
| 505 | { |
---|
| 506 | totalRequested += (*itActiveEmit)->_getEmissionCount(timeElapsed); |
---|
| 507 | } |
---|
| 508 | |
---|
| 509 | // Check if the quota will be exceeded, if so reduce demand |
---|
| 510 | Real ratio = 1.0f; |
---|
| 511 | if (totalRequested > emissionAllowed) |
---|
| 512 | { |
---|
| 513 | // Apportion down requested values to allotted values |
---|
| 514 | ratio = (Real)emissionAllowed / (Real)totalRequested; |
---|
| 515 | for (i = 0; i < emitterCount; ++i) |
---|
| 516 | { |
---|
| 517 | requested[i] = static_cast<unsigned>(requested[i] * ratio); |
---|
| 518 | } |
---|
| 519 | } |
---|
| 520 | |
---|
| 521 | // Emit |
---|
| 522 | // For each emission, apply a subset of the motion for the frame |
---|
| 523 | // this ensures an even distribution of particles when many are |
---|
| 524 | // emitted in a single frame |
---|
| 525 | for (itEmit = mEmitters.begin(), i = 0; itEmit != iEmitEnd; ++itEmit, ++i) |
---|
| 526 | { |
---|
| 527 | // Trigger the emitters, but exclude the emitters that are already in the emitted emitters list; |
---|
| 528 | // they are handled in a separate loop |
---|
| 529 | if (!(*itEmit)->isEmitted()) |
---|
| 530 | _executeTriggerEmitters (*itEmit, static_cast<unsigned>(requested[i]), timeElapsed); |
---|
| 531 | } |
---|
| 532 | |
---|
| 533 | // Do the same with all active emitted emitters |
---|
| 534 | for (itActiveEmit = mActiveEmittedEmitters.begin(), i = 0; itActiveEmit != mActiveEmittedEmitters.end(); ++itActiveEmit, ++i) |
---|
| 535 | _executeTriggerEmitters (*itActiveEmit, static_cast<unsigned>((*itActiveEmit)->_getEmissionCount(timeElapsed) * ratio), timeElapsed); |
---|
| 536 | } |
---|
| 537 | //----------------------------------------------------------------------- |
---|
| 538 | void ParticleSystem::_executeTriggerEmitters(ParticleEmitter* emitter, unsigned requested, Real timeElapsed) |
---|
| 539 | { |
---|
| 540 | ParticleAffectorList::iterator itAff, itAffEnd; |
---|
| 541 | Real timePoint = 0.0f; |
---|
| 542 | Real timeInc = timeElapsed / requested; |
---|
| 543 | |
---|
| 544 | for (unsigned int j = 0; j < requested; ++j) |
---|
| 545 | { |
---|
| 546 | // Create a new particle & init using emitter |
---|
| 547 | // The particle is a visual particle if the emit_emitter property of the emitter isn't set |
---|
| 548 | Particle* p = 0; |
---|
| 549 | String emitterName = emitter->getEmittedEmitter(); |
---|
| 550 | if (emitterName == StringUtil::BLANK) |
---|
| 551 | p = createParticle(); |
---|
| 552 | else |
---|
| 553 | p = createEmitterParticle(emitterName); |
---|
| 554 | |
---|
| 555 | // Only continue if the particle was really created (not null) |
---|
| 556 | if (!p) |
---|
| 557 | return; |
---|
| 558 | |
---|
| 559 | emitter->_initParticle(p); |
---|
| 560 | |
---|
| 561 | // Translate position & direction into world space |
---|
| 562 | if (!mLocalSpace) |
---|
| 563 | { |
---|
| 564 | p->position = |
---|
| 565 | (mParentNode->_getDerivedOrientation() * |
---|
| 566 | (mParentNode->_getDerivedScale() * p->position)) |
---|
| 567 | + mParentNode->_getDerivedPosition(); |
---|
| 568 | p->direction = |
---|
| 569 | (mParentNode->_getDerivedOrientation() * p->direction); |
---|
| 570 | } |
---|
| 571 | |
---|
| 572 | // apply partial frame motion to this particle |
---|
| 573 | p->position += (p->direction * timePoint); |
---|
| 574 | |
---|
| 575 | // apply particle initialization by the affectors |
---|
| 576 | itAffEnd = mAffectors.end(); |
---|
| 577 | for (itAff = mAffectors.begin(); itAff != itAffEnd; ++itAff) |
---|
| 578 | (*itAff)->_initParticle(p); |
---|
| 579 | |
---|
| 580 | // Increment time fragment |
---|
| 581 | timePoint += timeInc; |
---|
| 582 | |
---|
| 583 | if (p->particleType == Particle::Emitter) |
---|
| 584 | { |
---|
| 585 | // If the particle is an emitter, the position on the emitter side must also be initialised |
---|
| 586 | // Note, that position of the emitter becomes a position in worldspace if mLocalSpace is set |
---|
| 587 | // to false (will this become a problem?) |
---|
| 588 | ParticleEmitter* pParticleEmitter = static_cast<ParticleEmitter*>(p); |
---|
| 589 | pParticleEmitter->setPosition(p->position); |
---|
| 590 | } |
---|
| 591 | |
---|
| 592 | // Notify renderer |
---|
| 593 | mRenderer->_notifyParticleEmitted(p); |
---|
| 594 | } |
---|
| 595 | } |
---|
| 596 | //----------------------------------------------------------------------- |
---|
| 597 | void ParticleSystem::_applyMotion(Real timeElapsed) |
---|
| 598 | { |
---|
| 599 | ActiveParticleList::iterator i, itEnd; |
---|
| 600 | Particle* pParticle; |
---|
| 601 | ParticleEmitter* pParticleEmitter; |
---|
| 602 | |
---|
| 603 | itEnd = mActiveParticles.end(); |
---|
| 604 | for (i = mActiveParticles.begin(); i != itEnd; ++i) |
---|
| 605 | { |
---|
| 606 | pParticle = static_cast<Particle*>(*i); |
---|
| 607 | pParticle->position += (pParticle->direction * timeElapsed); |
---|
| 608 | |
---|
| 609 | if (pParticle->particleType == Particle::Emitter) |
---|
| 610 | { |
---|
| 611 | // If it is an emitter, the emitter position must also be updated |
---|
| 612 | // Note, that position of the emitter becomes a position in worldspace if mLocalSpace is set |
---|
| 613 | // to false (will this become a problem?) |
---|
| 614 | pParticleEmitter = static_cast<ParticleEmitter*>(*i); |
---|
| 615 | pParticleEmitter->setPosition(pParticle->position); |
---|
| 616 | } |
---|
| 617 | } |
---|
| 618 | |
---|
| 619 | // Notify renderer |
---|
| 620 | mRenderer->_notifyParticleMoved(mActiveParticles); |
---|
| 621 | } |
---|
| 622 | //----------------------------------------------------------------------- |
---|
| 623 | void ParticleSystem::_triggerAffectors(Real timeElapsed) |
---|
| 624 | { |
---|
| 625 | ParticleAffectorList::iterator i, itEnd; |
---|
| 626 | |
---|
| 627 | itEnd = mAffectors.end(); |
---|
| 628 | for (i = mAffectors.begin(); i != itEnd; ++i) |
---|
| 629 | { |
---|
| 630 | (*i)->_affectParticles(this, timeElapsed); |
---|
| 631 | } |
---|
| 632 | |
---|
| 633 | } |
---|
| 634 | //----------------------------------------------------------------------- |
---|
| 635 | void ParticleSystem::increasePool(size_t size) |
---|
| 636 | { |
---|
| 637 | size_t oldSize = mParticlePool.size(); |
---|
| 638 | |
---|
| 639 | // Increase size |
---|
| 640 | mParticlePool.reserve(size); |
---|
| 641 | mParticlePool.resize(size); |
---|
| 642 | |
---|
| 643 | // Create new particles |
---|
| 644 | for( size_t i = oldSize; i < size; i++ ) |
---|
| 645 | { |
---|
| 646 | mParticlePool[i] = new Particle(); |
---|
| 647 | } |
---|
| 648 | |
---|
| 649 | if (mIsRendererConfigured) |
---|
| 650 | { |
---|
| 651 | createVisualParticles(oldSize, size); |
---|
| 652 | } |
---|
| 653 | |
---|
| 654 | |
---|
| 655 | } |
---|
| 656 | //----------------------------------------------------------------------- |
---|
| 657 | ParticleIterator ParticleSystem::_getIterator(void) |
---|
| 658 | { |
---|
| 659 | return ParticleIterator(mActiveParticles.begin(), mActiveParticles.end()); |
---|
| 660 | } |
---|
| 661 | //----------------------------------------------------------------------- |
---|
| 662 | Particle* ParticleSystem::getParticle(size_t index) |
---|
| 663 | { |
---|
| 664 | assert (index < mActiveParticles.size() && "Index out of bounds!"); |
---|
| 665 | ActiveParticleList::iterator i = mActiveParticles.begin(); |
---|
| 666 | std::advance(i, index); |
---|
| 667 | return *i; |
---|
| 668 | } |
---|
| 669 | //----------------------------------------------------------------------- |
---|
| 670 | Particle* ParticleSystem::createParticle(void) |
---|
| 671 | { |
---|
| 672 | Particle* p = 0; |
---|
| 673 | if (!mFreeParticles.empty()) |
---|
| 674 | { |
---|
| 675 | // Fast creation (don't use superclass since emitter will init) |
---|
| 676 | p = mFreeParticles.front(); |
---|
| 677 | mActiveParticles.splice(mActiveParticles.end(), mFreeParticles, mFreeParticles.begin()); |
---|
| 678 | |
---|
| 679 | p->_notifyOwner(this); |
---|
| 680 | } |
---|
| 681 | |
---|
| 682 | return p; |
---|
| 683 | |
---|
| 684 | } |
---|
| 685 | //----------------------------------------------------------------------- |
---|
| 686 | Particle* ParticleSystem::createEmitterParticle(const String& emitterName) |
---|
| 687 | { |
---|
| 688 | // Get the appropriate list and retrieve an emitter |
---|
| 689 | Particle* p = 0; |
---|
| 690 | std::list<ParticleEmitter*>* fee = findFreeEmittedEmitter(emitterName); |
---|
| 691 | if (fee && !fee->empty()) |
---|
| 692 | { |
---|
| 693 | p = fee->front(); |
---|
| 694 | p->particleType = Particle::Emitter; |
---|
| 695 | fee->pop_front(); |
---|
| 696 | mActiveParticles.push_back(p); |
---|
| 697 | |
---|
| 698 | // Also add to mActiveEmittedEmitters. This is needed to traverse through all active emitters |
---|
| 699 | // that are emitted. Don't use mActiveParticles for that (although they are added to |
---|
| 700 | // mActiveParticles also), because it would take too long to traverse. |
---|
| 701 | mActiveEmittedEmitters.push_back(static_cast<ParticleEmitter*>(p)); |
---|
| 702 | |
---|
| 703 | p->_notifyOwner(this); |
---|
| 704 | } |
---|
| 705 | |
---|
| 706 | return p; |
---|
| 707 | } |
---|
| 708 | //----------------------------------------------------------------------- |
---|
| 709 | void ParticleSystem::_updateRenderQueue(RenderQueue* queue) |
---|
| 710 | { |
---|
| 711 | if (mRenderer) |
---|
| 712 | { |
---|
| 713 | mRenderer->_updateRenderQueue(queue, mActiveParticles, mCullIndividual); |
---|
| 714 | } |
---|
| 715 | } |
---|
| 716 | void ParticleSystem::initParameters(void) |
---|
| 717 | { |
---|
| 718 | if (createParamDictionary("ParticleSystem")) |
---|
| 719 | { |
---|
| 720 | ParamDictionary* dict = getParamDictionary(); |
---|
| 721 | |
---|
| 722 | dict->addParameter(ParameterDef("quota", |
---|
| 723 | "The maximum number of particle allowed at once in this system.", |
---|
| 724 | PT_UNSIGNED_INT), |
---|
| 725 | &msQuotaCmd); |
---|
| 726 | |
---|
| 727 | dict->addParameter(ParameterDef("emit_emitter_quota", |
---|
| 728 | "The maximum number of emitters to be emitted at once in this system.", |
---|
| 729 | PT_UNSIGNED_INT), |
---|
| 730 | &msEmittedEmitterQuotaCmd); |
---|
| 731 | |
---|
| 732 | dict->addParameter(ParameterDef("material", |
---|
| 733 | "The name of the material to be used to render all particles in this system.", |
---|
| 734 | PT_STRING), |
---|
| 735 | &msMaterialCmd); |
---|
| 736 | |
---|
| 737 | dict->addParameter(ParameterDef("particle_width", |
---|
| 738 | "The width of particles in world units.", |
---|
| 739 | PT_REAL), |
---|
| 740 | &msWidthCmd); |
---|
| 741 | |
---|
| 742 | dict->addParameter(ParameterDef("particle_height", |
---|
| 743 | "The height of particles in world units.", |
---|
| 744 | PT_REAL), |
---|
| 745 | &msHeightCmd); |
---|
| 746 | |
---|
| 747 | dict->addParameter(ParameterDef("cull_each", |
---|
| 748 | "If true, each particle is culled in it's own right. If false, the entire system is culled as a whole.", |
---|
| 749 | PT_BOOL), |
---|
| 750 | &msCullCmd); |
---|
| 751 | |
---|
| 752 | dict->addParameter(ParameterDef("renderer", |
---|
| 753 | "Sets the particle system renderer to use (default 'billboard').", |
---|
| 754 | PT_STRING), |
---|
| 755 | &msRendererCmd); |
---|
| 756 | |
---|
| 757 | dict->addParameter(ParameterDef("sorted", |
---|
| 758 | "Sets whether particles should be sorted relative to the camera. ", |
---|
| 759 | PT_BOOL), |
---|
| 760 | &msSortedCmd); |
---|
| 761 | |
---|
| 762 | dict->addParameter(ParameterDef("local_space", |
---|
| 763 | "Sets whether particles should be kept in local space rather than " |
---|
| 764 | "emitted into world space. ", |
---|
| 765 | PT_BOOL), |
---|
| 766 | &msLocalSpaceCmd); |
---|
| 767 | |
---|
| 768 | dict->addParameter(ParameterDef("iteration_interval", |
---|
| 769 | "Sets a fixed update interval for the system, or 0 for the frame rate. ", |
---|
| 770 | PT_REAL), |
---|
| 771 | &msIterationIntervalCmd); |
---|
| 772 | |
---|
| 773 | dict->addParameter(ParameterDef("nonvisible_update_timeout", |
---|
| 774 | "Sets a timeout on updates to the system if the system is not visible " |
---|
| 775 | "for the given number of seconds (0 to always update)", |
---|
| 776 | PT_REAL), |
---|
| 777 | &msNonvisibleTimeoutCmd); |
---|
| 778 | |
---|
| 779 | } |
---|
| 780 | } |
---|
| 781 | //----------------------------------------------------------------------- |
---|
| 782 | void ParticleSystem::_updateBounds() |
---|
| 783 | { |
---|
| 784 | |
---|
| 785 | if (mParentNode && (mBoundsAutoUpdate || mBoundsUpdateTime > 0.0f)) |
---|
| 786 | { |
---|
| 787 | if (mActiveParticles.empty()) |
---|
| 788 | { |
---|
| 789 | // No particles, reset to null if auto update bounds |
---|
| 790 | if (mBoundsAutoUpdate) |
---|
| 791 | { |
---|
| 792 | mWorldAABB.setNull(); |
---|
| 793 | } |
---|
| 794 | } |
---|
| 795 | else |
---|
| 796 | { |
---|
| 797 | Vector3 min; |
---|
| 798 | Vector3 max; |
---|
| 799 | if (!mBoundsAutoUpdate && mWorldAABB.isFinite()) |
---|
| 800 | { |
---|
| 801 | // We're on a limit, grow rather than reset each time |
---|
| 802 | // so that we pick up the worst case scenario |
---|
| 803 | min = mWorldAABB.getMinimum(); |
---|
| 804 | max = mWorldAABB.getMaximum(); |
---|
| 805 | } |
---|
| 806 | else |
---|
| 807 | { |
---|
| 808 | min.x = min.y = min.z = Math::POS_INFINITY; |
---|
| 809 | max.x = max.y = max.z = Math::NEG_INFINITY; |
---|
| 810 | } |
---|
| 811 | ActiveParticleList::iterator p; |
---|
| 812 | Vector3 halfScale = Vector3::UNIT_SCALE * 0.5; |
---|
| 813 | Vector3 defaultPadding = |
---|
| 814 | halfScale * std::max(mDefaultHeight, mDefaultWidth); |
---|
| 815 | for (p = mActiveParticles.begin(); p != mActiveParticles.end(); ++p) |
---|
| 816 | { |
---|
| 817 | if ((*p)->mOwnDimensions) |
---|
| 818 | { |
---|
| 819 | Vector3 padding = |
---|
| 820 | halfScale * std::max((*p)->mWidth, (*p)->mHeight); |
---|
| 821 | min.makeFloor((*p)->position - padding); |
---|
| 822 | max.makeCeil((*p)->position + padding); |
---|
| 823 | } |
---|
| 824 | else |
---|
| 825 | { |
---|
| 826 | min.makeFloor((*p)->position - defaultPadding); |
---|
| 827 | max.makeCeil((*p)->position + defaultPadding); |
---|
| 828 | } |
---|
| 829 | } |
---|
| 830 | mWorldAABB.setExtents(min, max); |
---|
| 831 | } |
---|
| 832 | |
---|
| 833 | |
---|
| 834 | if (mLocalSpace) |
---|
| 835 | { |
---|
| 836 | // Merge calculated box with current AABB to preserve any user-set AABB |
---|
| 837 | mAABB.merge(mWorldAABB); |
---|
| 838 | } |
---|
| 839 | else |
---|
| 840 | { |
---|
| 841 | // We've already put particles in world space to decouple them from the |
---|
| 842 | // node transform, so reverse transform back since we're expected to |
---|
| 843 | // provide a local AABB |
---|
| 844 | AxisAlignedBox newAABB(mWorldAABB); |
---|
| 845 | newAABB.transformAffine(mParentNode->_getFullTransform().inverseAffine()); |
---|
| 846 | |
---|
| 847 | // Merge calculated box with current AABB to preserve any user-set AABB |
---|
| 848 | mAABB.merge(newAABB); |
---|
| 849 | } |
---|
| 850 | |
---|
| 851 | mParentNode->needUpdate(); |
---|
| 852 | } |
---|
| 853 | } |
---|
| 854 | //----------------------------------------------------------------------- |
---|
| 855 | void ParticleSystem::fastForward(Real time, Real interval) |
---|
| 856 | { |
---|
| 857 | // First make sure all transforms are up to date |
---|
| 858 | |
---|
| 859 | for (Real ftime = 0; ftime < time; ftime += interval) |
---|
| 860 | { |
---|
| 861 | _update(interval); |
---|
| 862 | } |
---|
| 863 | } |
---|
| 864 | //----------------------------------------------------------------------- |
---|
| 865 | const String& ParticleSystem::getMovableType(void) const |
---|
| 866 | { |
---|
| 867 | return ParticleSystemFactory::FACTORY_TYPE_NAME; |
---|
| 868 | } |
---|
| 869 | //----------------------------------------------------------------------- |
---|
| 870 | void ParticleSystem::_notifyParticleResized(void) |
---|
| 871 | { |
---|
| 872 | if (mRenderer) |
---|
| 873 | { |
---|
| 874 | mRenderer->_notifyParticleResized(); |
---|
| 875 | } |
---|
| 876 | } |
---|
| 877 | //----------------------------------------------------------------------- |
---|
| 878 | void ParticleSystem::_notifyParticleRotated(void) |
---|
| 879 | { |
---|
| 880 | if (mRenderer) |
---|
| 881 | { |
---|
| 882 | mRenderer->_notifyParticleRotated(); |
---|
| 883 | } |
---|
| 884 | } |
---|
| 885 | //----------------------------------------------------------------------- |
---|
| 886 | void ParticleSystem::setDefaultDimensions( Real width, Real height ) |
---|
| 887 | { |
---|
| 888 | mDefaultWidth = width; |
---|
| 889 | mDefaultHeight = height; |
---|
| 890 | if (mRenderer) |
---|
| 891 | { |
---|
| 892 | mRenderer->_notifyDefaultDimensions(width, height); |
---|
| 893 | } |
---|
| 894 | } |
---|
| 895 | //----------------------------------------------------------------------- |
---|
| 896 | void ParticleSystem::setDefaultWidth(Real width) |
---|
| 897 | { |
---|
| 898 | mDefaultWidth = width; |
---|
| 899 | if (mRenderer) |
---|
| 900 | { |
---|
| 901 | mRenderer->_notifyDefaultDimensions(mDefaultWidth, mDefaultHeight); |
---|
| 902 | } |
---|
| 903 | } |
---|
| 904 | //----------------------------------------------------------------------- |
---|
| 905 | Real ParticleSystem::getDefaultWidth(void) const |
---|
| 906 | { |
---|
| 907 | return mDefaultWidth; |
---|
| 908 | } |
---|
| 909 | //----------------------------------------------------------------------- |
---|
| 910 | void ParticleSystem::setDefaultHeight(Real height) |
---|
| 911 | { |
---|
| 912 | mDefaultHeight = height; |
---|
| 913 | if (mRenderer) |
---|
| 914 | { |
---|
| 915 | mRenderer->_notifyDefaultDimensions(mDefaultWidth, mDefaultHeight); |
---|
| 916 | } |
---|
| 917 | } |
---|
| 918 | //----------------------------------------------------------------------- |
---|
| 919 | Real ParticleSystem::getDefaultHeight(void) const |
---|
| 920 | { |
---|
| 921 | return mDefaultHeight; |
---|
| 922 | } |
---|
| 923 | //----------------------------------------------------------------------- |
---|
| 924 | void ParticleSystem::_notifyCurrentCamera(Camera* cam) |
---|
| 925 | { |
---|
| 926 | MovableObject::_notifyCurrentCamera(cam); |
---|
| 927 | |
---|
| 928 | // Record visible |
---|
| 929 | mLastVisibleFrame = Root::getSingleton().getCurrentFrameNumber(); |
---|
| 930 | mTimeSinceLastVisible = 0.0f; |
---|
| 931 | |
---|
| 932 | if (mSorted) |
---|
| 933 | { |
---|
| 934 | _sortParticles(cam); |
---|
| 935 | } |
---|
| 936 | |
---|
| 937 | if (mRenderer) |
---|
| 938 | { |
---|
| 939 | if (!mIsRendererConfigured) |
---|
| 940 | configureRenderer(); |
---|
| 941 | |
---|
| 942 | mRenderer->_notifyCurrentCamera(cam); |
---|
| 943 | } |
---|
| 944 | } |
---|
| 945 | //----------------------------------------------------------------------- |
---|
| 946 | void ParticleSystem::_notifyAttached(Node* parent, bool isTagPoint) |
---|
| 947 | { |
---|
| 948 | MovableObject::_notifyAttached(parent, isTagPoint); |
---|
| 949 | if (mRenderer && mIsRendererConfigured) |
---|
| 950 | { |
---|
| 951 | mRenderer->_notifyAttached(parent, isTagPoint); |
---|
| 952 | } |
---|
| 953 | |
---|
| 954 | if (parent && !mTimeController) |
---|
| 955 | { |
---|
| 956 | // Assume visible |
---|
| 957 | mTimeSinceLastVisible = 0; |
---|
| 958 | mLastVisibleFrame = Root::getSingleton().getCurrentFrameNumber(); |
---|
| 959 | |
---|
| 960 | // Create time controller when attached |
---|
| 961 | ControllerManager& mgr = ControllerManager::getSingleton(); |
---|
| 962 | ControllerValueRealPtr updValue(new ParticleSystemUpdateValue(this)); |
---|
| 963 | mTimeController = mgr.createFrameTimePassthroughController(updValue); |
---|
| 964 | } |
---|
| 965 | else if (!parent && mTimeController) |
---|
| 966 | { |
---|
| 967 | // Destroy controller |
---|
| 968 | ControllerManager::getSingleton().destroyController(mTimeController); |
---|
| 969 | mTimeController = 0; |
---|
| 970 | } |
---|
| 971 | } |
---|
| 972 | //----------------------------------------------------------------------- |
---|
| 973 | void ParticleSystem::setMaterialName(const String& name) |
---|
| 974 | { |
---|
| 975 | mMaterialName = name; |
---|
| 976 | if (mIsRendererConfigured) |
---|
| 977 | { |
---|
| 978 | MaterialPtr mat = MaterialManager::getSingleton().load( |
---|
| 979 | mMaterialName, mResourceGroupName); |
---|
| 980 | mRenderer->_setMaterial(mat); |
---|
| 981 | } |
---|
| 982 | } |
---|
| 983 | //----------------------------------------------------------------------- |
---|
| 984 | const String& ParticleSystem::getMaterialName(void) const |
---|
| 985 | { |
---|
| 986 | return mMaterialName; |
---|
| 987 | } |
---|
| 988 | //----------------------------------------------------------------------- |
---|
| 989 | void ParticleSystem::clear() |
---|
| 990 | { |
---|
| 991 | // Notify renderer if exists |
---|
| 992 | if (mRenderer) |
---|
| 993 | { |
---|
| 994 | mRenderer->_notifyParticleCleared(mActiveParticles); |
---|
| 995 | } |
---|
| 996 | |
---|
| 997 | // Move actives to free list |
---|
| 998 | mFreeParticles.splice(mFreeParticles.end(), mActiveParticles); |
---|
| 999 | |
---|
| 1000 | // Add active emitted emitters to free list |
---|
| 1001 | addActiveEmittedEmittersToFreeList(); |
---|
| 1002 | |
---|
| 1003 | // Remove all active emitted emitter instances |
---|
| 1004 | mActiveEmittedEmitters.clear(); |
---|
| 1005 | |
---|
| 1006 | // Reset update remain time |
---|
| 1007 | mUpdateRemainTime = 0; |
---|
| 1008 | } |
---|
| 1009 | //----------------------------------------------------------------------- |
---|
| 1010 | void ParticleSystem::setRenderer(const String& rendererName) |
---|
| 1011 | { |
---|
| 1012 | if (mRenderer) |
---|
| 1013 | { |
---|
| 1014 | // Destroy existing |
---|
| 1015 | destroyVisualParticles(0, mParticlePool.size()); |
---|
| 1016 | ParticleSystemManager::getSingleton()._destroyRenderer(mRenderer); |
---|
| 1017 | mRenderer = 0; |
---|
| 1018 | } |
---|
| 1019 | |
---|
| 1020 | if (!rendererName.empty()) |
---|
| 1021 | { |
---|
| 1022 | mRenderer = ParticleSystemManager::getSingleton()._createRenderer(rendererName); |
---|
| 1023 | mIsRendererConfigured = false; |
---|
| 1024 | } |
---|
| 1025 | } |
---|
| 1026 | //----------------------------------------------------------------------- |
---|
| 1027 | void ParticleSystem::configureRenderer(void) |
---|
| 1028 | { |
---|
| 1029 | // Actual allocate particles |
---|
| 1030 | size_t currSize = mParticlePool.size(); |
---|
| 1031 | size_t size = mPoolSize; |
---|
| 1032 | if( currSize < size ) |
---|
| 1033 | { |
---|
| 1034 | this->increasePool(size); |
---|
| 1035 | |
---|
| 1036 | for( size_t i = currSize; i < size; ++i ) |
---|
| 1037 | { |
---|
| 1038 | // Add new items to the queue |
---|
| 1039 | mFreeParticles.push_back( mParticlePool[i] ); |
---|
| 1040 | } |
---|
| 1041 | |
---|
| 1042 | // Tell the renderer, if already configured |
---|
| 1043 | if (mRenderer && mIsRendererConfigured) |
---|
| 1044 | { |
---|
| 1045 | mRenderer->_notifyParticleQuota(size); |
---|
| 1046 | } |
---|
| 1047 | } |
---|
| 1048 | |
---|
| 1049 | if (mRenderer && !mIsRendererConfigured) |
---|
| 1050 | { |
---|
| 1051 | mRenderer->_notifyParticleQuota(mParticlePool.size()); |
---|
| 1052 | mRenderer->_notifyAttached(mParentNode, mParentIsTagPoint); |
---|
| 1053 | mRenderer->_notifyDefaultDimensions(mDefaultWidth, mDefaultHeight); |
---|
| 1054 | createVisualParticles(0, mParticlePool.size()); |
---|
| 1055 | MaterialPtr mat = MaterialManager::getSingleton().load( |
---|
| 1056 | mMaterialName, mResourceGroupName); |
---|
| 1057 | mRenderer->_setMaterial(mat); |
---|
| 1058 | if (mRenderQueueIDSet) |
---|
| 1059 | mRenderer->setRenderQueueGroup(mRenderQueueID); |
---|
| 1060 | mRenderer->setKeepParticlesInLocalSpace(mLocalSpace); |
---|
| 1061 | mIsRendererConfigured = true; |
---|
| 1062 | } |
---|
| 1063 | } |
---|
| 1064 | //----------------------------------------------------------------------- |
---|
| 1065 | ParticleSystemRenderer* ParticleSystem::getRenderer(void) const |
---|
| 1066 | { |
---|
| 1067 | return mRenderer; |
---|
| 1068 | } |
---|
| 1069 | //----------------------------------------------------------------------- |
---|
| 1070 | const String& ParticleSystem::getRendererName(void) const |
---|
| 1071 | { |
---|
| 1072 | if (mRenderer) |
---|
| 1073 | { |
---|
| 1074 | return mRenderer->getType(); |
---|
| 1075 | } |
---|
| 1076 | else |
---|
| 1077 | { |
---|
| 1078 | return StringUtil::BLANK; |
---|
| 1079 | } |
---|
| 1080 | } |
---|
| 1081 | //----------------------------------------------------------------------- |
---|
| 1082 | bool ParticleSystem::getCullIndividually(void) const |
---|
| 1083 | { |
---|
| 1084 | return mCullIndividual; |
---|
| 1085 | } |
---|
| 1086 | //----------------------------------------------------------------------- |
---|
| 1087 | void ParticleSystem::setCullIndividually(bool cullIndividual) |
---|
| 1088 | { |
---|
| 1089 | mCullIndividual = cullIndividual; |
---|
| 1090 | } |
---|
| 1091 | //----------------------------------------------------------------------- |
---|
| 1092 | void ParticleSystem::createVisualParticles(size_t poolstart, size_t poolend) |
---|
| 1093 | { |
---|
| 1094 | ParticlePool::iterator i = mParticlePool.begin(); |
---|
| 1095 | ParticlePool::iterator iend = mParticlePool.begin(); |
---|
| 1096 | std::advance(i, poolstart); |
---|
| 1097 | std::advance(iend, poolend); |
---|
| 1098 | for (; i != iend; ++i) |
---|
| 1099 | { |
---|
| 1100 | (*i)->_notifyVisualData( |
---|
| 1101 | mRenderer->_createVisualData()); |
---|
| 1102 | } |
---|
| 1103 | } |
---|
| 1104 | //----------------------------------------------------------------------- |
---|
| 1105 | void ParticleSystem::destroyVisualParticles(size_t poolstart, size_t poolend) |
---|
| 1106 | { |
---|
| 1107 | ParticlePool::iterator i = mParticlePool.begin(); |
---|
| 1108 | ParticlePool::iterator iend = mParticlePool.begin(); |
---|
| 1109 | std::advance(i, poolstart); |
---|
| 1110 | std::advance(iend, poolend); |
---|
| 1111 | for (; i != iend; ++i) |
---|
| 1112 | { |
---|
| 1113 | mRenderer->_destroyVisualData((*i)->getVisualData()); |
---|
| 1114 | (*i)->_notifyVisualData(0); |
---|
| 1115 | } |
---|
| 1116 | } |
---|
| 1117 | //----------------------------------------------------------------------- |
---|
| 1118 | void ParticleSystem::setBounds(const AxisAlignedBox& aabb) |
---|
| 1119 | { |
---|
| 1120 | mAABB = aabb; |
---|
| 1121 | Real sqDist = std::max(mAABB.getMinimum().squaredLength(), |
---|
| 1122 | mAABB.getMaximum().squaredLength()); |
---|
| 1123 | mBoundingRadius = Math::Sqrt(sqDist); |
---|
| 1124 | |
---|
| 1125 | } |
---|
| 1126 | //----------------------------------------------------------------------- |
---|
| 1127 | void ParticleSystem::setBoundsAutoUpdated(bool autoUpdate, Real stopIn) |
---|
| 1128 | { |
---|
| 1129 | mBoundsAutoUpdate = autoUpdate; |
---|
| 1130 | mBoundsUpdateTime = stopIn; |
---|
| 1131 | } |
---|
| 1132 | //----------------------------------------------------------------------- |
---|
| 1133 | void ParticleSystem::setRenderQueueGroup(uint8 queueID) |
---|
| 1134 | { |
---|
| 1135 | MovableObject::setRenderQueueGroup(queueID); |
---|
| 1136 | if (mRenderer) |
---|
| 1137 | { |
---|
| 1138 | mRenderer->setRenderQueueGroup(queueID); |
---|
| 1139 | } |
---|
| 1140 | } |
---|
| 1141 | //----------------------------------------------------------------------- |
---|
| 1142 | void ParticleSystem::setKeepParticlesInLocalSpace(bool keepLocal) |
---|
| 1143 | { |
---|
| 1144 | mLocalSpace = keepLocal; |
---|
| 1145 | if (mRenderer) |
---|
| 1146 | { |
---|
| 1147 | mRenderer->setKeepParticlesInLocalSpace(keepLocal); |
---|
| 1148 | } |
---|
| 1149 | } |
---|
| 1150 | //----------------------------------------------------------------------- |
---|
| 1151 | void ParticleSystem::_sortParticles(Camera* cam) |
---|
| 1152 | { |
---|
| 1153 | if (mRenderer) |
---|
| 1154 | { |
---|
| 1155 | SortMode sortMode = mRenderer->_getSortMode(); |
---|
| 1156 | if (sortMode == SM_DIRECTION) |
---|
| 1157 | { |
---|
| 1158 | Vector3 camDir = cam->getDerivedDirection(); |
---|
| 1159 | if (mLocalSpace) |
---|
| 1160 | { |
---|
| 1161 | // transform the camera direction into local space |
---|
| 1162 | camDir = mParentNode->_getDerivedOrientation().UnitInverse() * camDir; |
---|
| 1163 | } |
---|
| 1164 | mRadixSorter.sort(mActiveParticles, SortByDirectionFunctor(- camDir)); |
---|
| 1165 | } |
---|
| 1166 | else if (sortMode == SM_DISTANCE) |
---|
| 1167 | { |
---|
| 1168 | Vector3 camPos = cam->getDerivedPosition(); |
---|
| 1169 | if (mLocalSpace) |
---|
| 1170 | { |
---|
| 1171 | // transform the camera position into local space |
---|
| 1172 | camPos = mParentNode->_getDerivedOrientation().UnitInverse() * |
---|
| 1173 | (camPos - mParentNode->_getDerivedPosition()) / mParentNode->_getDerivedScale(); |
---|
| 1174 | } |
---|
| 1175 | mRadixSorter.sort(mActiveParticles, SortByDistanceFunctor(camPos)); |
---|
| 1176 | } |
---|
| 1177 | } |
---|
| 1178 | } |
---|
| 1179 | ParticleSystem::SortByDirectionFunctor::SortByDirectionFunctor(const Vector3& dir) |
---|
| 1180 | : sortDir(dir) |
---|
| 1181 | { |
---|
| 1182 | } |
---|
| 1183 | float ParticleSystem::SortByDirectionFunctor::operator()(Particle* p) const |
---|
| 1184 | { |
---|
| 1185 | return sortDir.dotProduct(p->position); |
---|
| 1186 | } |
---|
| 1187 | ParticleSystem::SortByDistanceFunctor::SortByDistanceFunctor(const Vector3& pos) |
---|
| 1188 | : sortPos(pos) |
---|
| 1189 | { |
---|
| 1190 | } |
---|
| 1191 | float ParticleSystem::SortByDistanceFunctor::operator()(Particle* p) const |
---|
| 1192 | { |
---|
| 1193 | // Sort descending by squared distance |
---|
| 1194 | return - (sortPos - p->position).squaredLength(); |
---|
| 1195 | } |
---|
| 1196 | //----------------------------------------------------------------------- |
---|
| 1197 | uint32 ParticleSystem::getTypeFlags(void) const |
---|
| 1198 | { |
---|
| 1199 | return SceneManager::FX_TYPE_MASK; |
---|
| 1200 | } |
---|
| 1201 | //----------------------------------------------------------------------- |
---|
| 1202 | void ParticleSystem::initialiseEmittedEmitters(void) |
---|
| 1203 | { |
---|
| 1204 | // Initialise the pool if needed |
---|
| 1205 | size_t currSize = 0; |
---|
| 1206 | if (mEmittedEmitterPool.empty()) |
---|
| 1207 | { |
---|
| 1208 | if (mEmittedEmitterPoolInitialised) |
---|
| 1209 | { |
---|
| 1210 | // It was already initialised, but apparently no emitted emitters were used |
---|
| 1211 | return; |
---|
| 1212 | } |
---|
| 1213 | else |
---|
| 1214 | { |
---|
| 1215 | initialiseEmittedEmitterPool(); |
---|
| 1216 | } |
---|
| 1217 | } |
---|
| 1218 | else |
---|
| 1219 | { |
---|
| 1220 | EmittedEmitterPool::iterator i; |
---|
| 1221 | for (i = mEmittedEmitterPool.begin(); i != mEmittedEmitterPool.end(); ++i) |
---|
| 1222 | { |
---|
| 1223 | currSize += i->second.size(); |
---|
| 1224 | } |
---|
| 1225 | } |
---|
| 1226 | |
---|
| 1227 | size_t size = mEmittedEmitterPoolSize; |
---|
| 1228 | if( currSize < size && !mEmittedEmitterPool.empty()) |
---|
| 1229 | { |
---|
| 1230 | // Increase the pool. Equally distribute over all vectors in the map |
---|
| 1231 | increaseEmittedEmitterPool(size); |
---|
| 1232 | |
---|
| 1233 | // Add new items to the free list |
---|
| 1234 | addFreeEmittedEmitters(); |
---|
| 1235 | } |
---|
| 1236 | } |
---|
| 1237 | |
---|
| 1238 | //----------------------------------------------------------------------- |
---|
| 1239 | void ParticleSystem::initialiseEmittedEmitterPool(void) |
---|
| 1240 | { |
---|
| 1241 | if (mEmittedEmitterPoolInitialised) |
---|
| 1242 | return; |
---|
| 1243 | |
---|
| 1244 | // Run through mEmitters and add keys to the pool |
---|
| 1245 | ParticleEmitterList::iterator emitterIterator; |
---|
| 1246 | ParticleEmitterList::iterator emitterIteratorInner; |
---|
| 1247 | ParticleEmitter* emitter = 0; |
---|
| 1248 | ParticleEmitter* emitterInner = 0; |
---|
| 1249 | for (emitterIterator = mEmitters.begin(); emitterIterator != mEmitters.end(); ++emitterIterator) |
---|
| 1250 | { |
---|
| 1251 | // Determine the names of all emitters that are emitted |
---|
| 1252 | emitter = *emitterIterator ; |
---|
| 1253 | if (emitter && emitter->getEmittedEmitter() != StringUtil::BLANK) |
---|
| 1254 | { |
---|
| 1255 | // This one will be emitted, register its name and leave the vector empty! |
---|
| 1256 | EmittedEmitterList empty; |
---|
| 1257 | mEmittedEmitterPool.insert(make_pair(emitter->getEmittedEmitter(), empty)); |
---|
| 1258 | } |
---|
| 1259 | |
---|
| 1260 | // Determine whether the emitter itself will be emitted and set the 'mEmitted' attribute |
---|
| 1261 | for (emitterIteratorInner = mEmitters.begin(); emitterIteratorInner != mEmitters.end(); ++emitterIteratorInner) |
---|
| 1262 | { |
---|
| 1263 | emitterInner = *emitterIteratorInner; |
---|
| 1264 | if (emitter && |
---|
| 1265 | emitterInner && |
---|
| 1266 | emitter->getName() != StringUtil::BLANK && |
---|
| 1267 | emitter->getName() == emitterInner->getEmittedEmitter()) |
---|
| 1268 | { |
---|
| 1269 | emitter->setEmitted(true); |
---|
| 1270 | break; |
---|
| 1271 | } |
---|
| 1272 | else |
---|
| 1273 | { |
---|
| 1274 | // Set explicitly to 'false' although the default value is already 'false' |
---|
| 1275 | emitter->setEmitted(false); |
---|
| 1276 | } |
---|
| 1277 | } |
---|
| 1278 | } |
---|
| 1279 | |
---|
| 1280 | mEmittedEmitterPoolInitialised = true; |
---|
| 1281 | } |
---|
| 1282 | //----------------------------------------------------------------------- |
---|
| 1283 | void ParticleSystem::increaseEmittedEmitterPool(size_t size) |
---|
| 1284 | { |
---|
| 1285 | // Don't proceed if the pool doesn't contain any keys of emitted emitters |
---|
| 1286 | if (mEmittedEmitterPool.empty()) |
---|
| 1287 | return; |
---|
| 1288 | |
---|
| 1289 | EmittedEmitterPool::iterator emittedEmitterPoolIterator; |
---|
| 1290 | ParticleEmitterList::iterator emitterIterator; |
---|
| 1291 | ParticleEmitter* emitter = 0; |
---|
| 1292 | ParticleEmitter* clonedEmitter = 0; |
---|
| 1293 | String name = StringUtil::BLANK; |
---|
| 1294 | EmittedEmitterList* e = 0; |
---|
| 1295 | size_t maxNumberOfEmitters = size / mEmittedEmitterPool.size(); // equally distribute the number for each emitted emitter list |
---|
| 1296 | size_t oldSize = 0; |
---|
| 1297 | |
---|
| 1298 | // Run through mEmittedEmitterPool and search for every key (=name) its corresponding emitter in mEmitters |
---|
| 1299 | for (emittedEmitterPoolIterator = mEmittedEmitterPool.begin(); emittedEmitterPoolIterator != mEmittedEmitterPool.end(); ++emittedEmitterPoolIterator) |
---|
| 1300 | { |
---|
| 1301 | name = emittedEmitterPoolIterator->first; |
---|
| 1302 | e = &emittedEmitterPoolIterator->second; |
---|
| 1303 | |
---|
| 1304 | // Search the correct emitter in the mEmitters vector |
---|
| 1305 | emitter = 0; |
---|
| 1306 | for (emitterIterator = mEmitters.begin(); emitterIterator != mEmitters.end(); ++emitterIterator) |
---|
| 1307 | { |
---|
| 1308 | emitter = *emitterIterator; |
---|
| 1309 | if (emitter && |
---|
| 1310 | name != StringUtil::BLANK && |
---|
| 1311 | name == emitter->getName()) |
---|
| 1312 | { |
---|
| 1313 | // Found the right emitter, clone each emitter a number of times |
---|
| 1314 | oldSize = e->size(); |
---|
| 1315 | for (size_t t = oldSize; t < maxNumberOfEmitters; ++t) |
---|
| 1316 | { |
---|
| 1317 | clonedEmitter = ParticleSystemManager::getSingleton()._createEmitter(emitter->getType(), this); |
---|
| 1318 | emitter->copyParametersTo(clonedEmitter); |
---|
| 1319 | clonedEmitter->setEmitted(emitter->isEmitted()); // is always 'true' by the way, but just in case |
---|
| 1320 | |
---|
| 1321 | // Initially deactivate the emitted emitter if duration/repeat_delay are set |
---|
| 1322 | if (clonedEmitter->getDuration() > 0.0f && |
---|
| 1323 | (clonedEmitter->getRepeatDelay() > 0.0f || clonedEmitter->getMinRepeatDelay() > 0.0f || clonedEmitter->getMinRepeatDelay() > 0.0f)) |
---|
| 1324 | clonedEmitter->setEnabled(false); |
---|
| 1325 | |
---|
| 1326 | // Add cloned emitters to the pool |
---|
| 1327 | e->push_back(clonedEmitter); |
---|
| 1328 | } |
---|
| 1329 | } |
---|
| 1330 | } |
---|
| 1331 | } |
---|
| 1332 | } |
---|
| 1333 | //----------------------------------------------------------------------- |
---|
| 1334 | void ParticleSystem::addFreeEmittedEmitters(void) |
---|
| 1335 | { |
---|
| 1336 | // Don't proceed if the EmittedEmitterPool is empty |
---|
| 1337 | if (mEmittedEmitterPool.empty()) |
---|
| 1338 | return; |
---|
| 1339 | |
---|
| 1340 | // Copy all pooled emitters to the free list |
---|
| 1341 | EmittedEmitterPool::iterator emittedEmitterPoolIterator; |
---|
| 1342 | EmittedEmitterList::iterator emittedEmitterIterator; |
---|
| 1343 | EmittedEmitterList* emittedEmitters = 0; |
---|
| 1344 | std::list<ParticleEmitter*>* fee = 0; |
---|
| 1345 | String name = StringUtil::BLANK; |
---|
| 1346 | |
---|
| 1347 | // Run through the emittedEmitterPool map |
---|
| 1348 | for (emittedEmitterPoolIterator = mEmittedEmitterPool.begin(); emittedEmitterPoolIterator != mEmittedEmitterPool.end(); ++emittedEmitterPoolIterator) |
---|
| 1349 | { |
---|
| 1350 | name = emittedEmitterPoolIterator->first; |
---|
| 1351 | emittedEmitters = &emittedEmitterPoolIterator->second; |
---|
| 1352 | fee = findFreeEmittedEmitter(name); |
---|
| 1353 | |
---|
| 1354 | // If it´s not in the map, create an empty one |
---|
| 1355 | if (!fee) |
---|
| 1356 | { |
---|
| 1357 | FreeEmittedEmitterList empty; |
---|
| 1358 | mFreeEmittedEmitters.insert(make_pair(name, empty)); |
---|
| 1359 | fee = findFreeEmittedEmitter(name); |
---|
| 1360 | } |
---|
| 1361 | |
---|
| 1362 | // Check anyway if it´s ok now |
---|
| 1363 | if (!fee) |
---|
| 1364 | return; // forget it! |
---|
| 1365 | |
---|
| 1366 | // Add all emitted emitters from the pool to the free list |
---|
| 1367 | for(emittedEmitterIterator = emittedEmitters->begin(); emittedEmitterIterator != emittedEmitters->end(); ++emittedEmitterIterator) |
---|
| 1368 | { |
---|
| 1369 | fee->push_back(*emittedEmitterIterator); |
---|
| 1370 | } |
---|
| 1371 | } |
---|
| 1372 | } |
---|
| 1373 | //----------------------------------------------------------------------- |
---|
| 1374 | void ParticleSystem::removeAllEmittedEmitters(void) |
---|
| 1375 | { |
---|
| 1376 | EmittedEmitterPool::iterator emittedEmitterPoolIterator; |
---|
| 1377 | EmittedEmitterList::iterator emittedEmitterListIterator; |
---|
| 1378 | EmittedEmitterList* e = 0; |
---|
| 1379 | for (emittedEmitterPoolIterator = mEmittedEmitterPool.begin(); emittedEmitterPoolIterator != mEmittedEmitterPool.end(); ++emittedEmitterPoolIterator) |
---|
| 1380 | { |
---|
| 1381 | e = &emittedEmitterPoolIterator->second; |
---|
| 1382 | for (emittedEmitterListIterator = e->begin(); emittedEmitterListIterator != e->end(); ++emittedEmitterListIterator) |
---|
| 1383 | { |
---|
| 1384 | ParticleSystemManager::getSingleton()._destroyEmitter(*emittedEmitterListIterator); |
---|
| 1385 | } |
---|
| 1386 | e->clear(); |
---|
| 1387 | } |
---|
| 1388 | |
---|
| 1389 | // Don´t leave any references behind |
---|
| 1390 | mEmittedEmitterPool.clear(); |
---|
| 1391 | mFreeEmittedEmitters.clear(); |
---|
| 1392 | mActiveEmittedEmitters.clear(); |
---|
| 1393 | } |
---|
| 1394 | //----------------------------------------------------------------------- |
---|
| 1395 | std::list<ParticleEmitter*>* ParticleSystem::findFreeEmittedEmitter (const String& name) |
---|
| 1396 | { |
---|
| 1397 | FreeEmittedEmitterMap::iterator it; |
---|
| 1398 | it = mFreeEmittedEmitters.find (name); |
---|
| 1399 | if (it != mFreeEmittedEmitters.end()) |
---|
| 1400 | { |
---|
| 1401 | // Found it |
---|
| 1402 | return &it->second; |
---|
| 1403 | } |
---|
| 1404 | |
---|
| 1405 | return 0; |
---|
| 1406 | } |
---|
| 1407 | //----------------------------------------------------------------------- |
---|
| 1408 | void ParticleSystem::removeFromActiveEmittedEmitters (ParticleEmitter* emitter) |
---|
| 1409 | { |
---|
| 1410 | assert(emitter && "Emitter to be removed is 0!"); |
---|
| 1411 | ActiveEmittedEmitterList::iterator itActiveEmit; |
---|
| 1412 | for (itActiveEmit = mActiveEmittedEmitters.begin(); itActiveEmit != mActiveEmittedEmitters.end(); ++itActiveEmit) |
---|
| 1413 | { |
---|
| 1414 | if (emitter == (*itActiveEmit)) |
---|
| 1415 | { |
---|
| 1416 | mActiveEmittedEmitters.erase(itActiveEmit); |
---|
| 1417 | break; |
---|
| 1418 | } |
---|
| 1419 | } |
---|
| 1420 | } |
---|
| 1421 | //----------------------------------------------------------------------- |
---|
| 1422 | void ParticleSystem::addActiveEmittedEmittersToFreeList (void) |
---|
| 1423 | { |
---|
| 1424 | ActiveEmittedEmitterList::iterator itActiveEmit; |
---|
| 1425 | for (itActiveEmit = mActiveEmittedEmitters.begin(); itActiveEmit != mActiveEmittedEmitters.end(); ++itActiveEmit) |
---|
| 1426 | { |
---|
| 1427 | std::list<ParticleEmitter*>* fee = findFreeEmittedEmitter ((*itActiveEmit)->getName()); |
---|
| 1428 | if (fee) |
---|
| 1429 | fee->push_back(*itActiveEmit); |
---|
| 1430 | } |
---|
| 1431 | } |
---|
| 1432 | //----------------------------------------------------------------------- |
---|
| 1433 | void ParticleSystem::_notifyReorganiseEmittedEmitterData (void) |
---|
| 1434 | { |
---|
| 1435 | removeAllEmittedEmitters(); |
---|
| 1436 | mEmittedEmitterPoolInitialised = false; // Don´t rearrange immediately; it will be performed in the regular flow |
---|
| 1437 | } |
---|
| 1438 | //----------------------------------------------------------------------- |
---|
| 1439 | String ParticleSystem::CmdCull::doGet(const void* target) const |
---|
| 1440 | { |
---|
| 1441 | return StringConverter::toString( |
---|
| 1442 | static_cast<const ParticleSystem*>(target)->getCullIndividually() ); |
---|
| 1443 | } |
---|
| 1444 | void ParticleSystem::CmdCull::doSet(void* target, const String& val) |
---|
| 1445 | { |
---|
| 1446 | static_cast<ParticleSystem*>(target)->setCullIndividually( |
---|
| 1447 | StringConverter::parseBool(val)); |
---|
| 1448 | } |
---|
| 1449 | //----------------------------------------------------------------------- |
---|
| 1450 | String ParticleSystem::CmdHeight::doGet(const void* target) const |
---|
| 1451 | { |
---|
| 1452 | return StringConverter::toString( |
---|
| 1453 | static_cast<const ParticleSystem*>(target)->getDefaultHeight() ); |
---|
| 1454 | } |
---|
| 1455 | void ParticleSystem::CmdHeight::doSet(void* target, const String& val) |
---|
| 1456 | { |
---|
| 1457 | static_cast<ParticleSystem*>(target)->setDefaultHeight( |
---|
| 1458 | StringConverter::parseReal(val)); |
---|
| 1459 | } |
---|
| 1460 | //----------------------------------------------------------------------- |
---|
| 1461 | String ParticleSystem::CmdWidth::doGet(const void* target) const |
---|
| 1462 | { |
---|
| 1463 | return StringConverter::toString( |
---|
| 1464 | static_cast<const ParticleSystem*>(target)->getDefaultWidth() ); |
---|
| 1465 | } |
---|
| 1466 | void ParticleSystem::CmdWidth::doSet(void* target, const String& val) |
---|
| 1467 | { |
---|
| 1468 | static_cast<ParticleSystem*>(target)->setDefaultWidth( |
---|
| 1469 | StringConverter::parseReal(val)); |
---|
| 1470 | } |
---|
| 1471 | //----------------------------------------------------------------------- |
---|
| 1472 | String ParticleSystem::CmdMaterial::doGet(const void* target) const |
---|
| 1473 | { |
---|
| 1474 | return static_cast<const ParticleSystem*>(target)->getMaterialName(); |
---|
| 1475 | } |
---|
| 1476 | void ParticleSystem::CmdMaterial::doSet(void* target, const String& val) |
---|
| 1477 | { |
---|
| 1478 | static_cast<ParticleSystem*>(target)->setMaterialName(val); |
---|
| 1479 | } |
---|
| 1480 | //----------------------------------------------------------------------- |
---|
| 1481 | String ParticleSystem::CmdQuota::doGet(const void* target) const |
---|
| 1482 | { |
---|
| 1483 | return StringConverter::toString( |
---|
| 1484 | static_cast<const ParticleSystem*>(target)->getParticleQuota() ); |
---|
| 1485 | } |
---|
| 1486 | void ParticleSystem::CmdQuota::doSet(void* target, const String& val) |
---|
| 1487 | { |
---|
| 1488 | static_cast<ParticleSystem*>(target)->setParticleQuota( |
---|
| 1489 | StringConverter::parseUnsignedInt(val)); |
---|
| 1490 | } |
---|
| 1491 | //----------------------------------------------------------------------- |
---|
| 1492 | String ParticleSystem::CmdEmittedEmitterQuota::doGet(const void* target) const |
---|
| 1493 | { |
---|
| 1494 | return StringConverter::toString( |
---|
| 1495 | static_cast<const ParticleSystem*>(target)->getEmittedEmitterQuota() ); |
---|
| 1496 | } |
---|
| 1497 | void ParticleSystem::CmdEmittedEmitterQuota::doSet(void* target, const String& val) |
---|
| 1498 | { |
---|
| 1499 | static_cast<ParticleSystem*>(target)->setEmittedEmitterQuota( |
---|
| 1500 | StringConverter::parseUnsignedInt(val)); |
---|
| 1501 | } |
---|
| 1502 | //----------------------------------------------------------------------- |
---|
| 1503 | String ParticleSystem::CmdRenderer::doGet(const void* target) const |
---|
| 1504 | { |
---|
| 1505 | return static_cast<const ParticleSystem*>(target)->getRendererName(); |
---|
| 1506 | } |
---|
| 1507 | void ParticleSystem::CmdRenderer::doSet(void* target, const String& val) |
---|
| 1508 | { |
---|
| 1509 | static_cast<ParticleSystem*>(target)->setRenderer(val); |
---|
| 1510 | } |
---|
| 1511 | //----------------------------------------------------------------------- |
---|
| 1512 | String ParticleSystem::CmdSorted::doGet(const void* target) const |
---|
| 1513 | { |
---|
| 1514 | return StringConverter::toString( |
---|
| 1515 | static_cast<const ParticleSystem*>(target)->getSortingEnabled()); |
---|
| 1516 | } |
---|
| 1517 | void ParticleSystem::CmdSorted::doSet(void* target, const String& val) |
---|
| 1518 | { |
---|
| 1519 | static_cast<ParticleSystem*>(target)->setSortingEnabled( |
---|
| 1520 | StringConverter::parseBool(val)); |
---|
| 1521 | } |
---|
| 1522 | //----------------------------------------------------------------------- |
---|
| 1523 | String ParticleSystem::CmdLocalSpace::doGet(const void* target) const |
---|
| 1524 | { |
---|
| 1525 | return StringConverter::toString( |
---|
| 1526 | static_cast<const ParticleSystem*>(target)->getKeepParticlesInLocalSpace()); |
---|
| 1527 | } |
---|
| 1528 | void ParticleSystem::CmdLocalSpace::doSet(void* target, const String& val) |
---|
| 1529 | { |
---|
| 1530 | static_cast<ParticleSystem*>(target)->setKeepParticlesInLocalSpace( |
---|
| 1531 | StringConverter::parseBool(val)); |
---|
| 1532 | } |
---|
| 1533 | //----------------------------------------------------------------------- |
---|
| 1534 | String ParticleSystem::CmdIterationInterval::doGet(const void* target) const |
---|
| 1535 | { |
---|
| 1536 | return StringConverter::toString( |
---|
| 1537 | static_cast<const ParticleSystem*>(target)->getIterationInterval()); |
---|
| 1538 | } |
---|
| 1539 | void ParticleSystem::CmdIterationInterval::doSet(void* target, const String& val) |
---|
| 1540 | { |
---|
| 1541 | static_cast<ParticleSystem*>(target)->setIterationInterval( |
---|
| 1542 | StringConverter::parseReal(val)); |
---|
| 1543 | } |
---|
| 1544 | //----------------------------------------------------------------------- |
---|
| 1545 | String ParticleSystem::CmdNonvisibleTimeout::doGet(const void* target) const |
---|
| 1546 | { |
---|
| 1547 | return StringConverter::toString( |
---|
| 1548 | static_cast<const ParticleSystem*>(target)->getNonVisibleUpdateTimeout()); |
---|
| 1549 | } |
---|
| 1550 | void ParticleSystem::CmdNonvisibleTimeout::doSet(void* target, const String& val) |
---|
| 1551 | { |
---|
| 1552 | static_cast<ParticleSystem*>(target)->setNonVisibleUpdateTimeout( |
---|
| 1553 | StringConverter::parseReal(val)); |
---|
| 1554 | } |
---|
| 1555 | //----------------------------------------------------------------------- |
---|
| 1556 | ParticleAffector::~ParticleAffector() |
---|
| 1557 | { |
---|
| 1558 | } |
---|
| 1559 | //----------------------------------------------------------------------- |
---|
| 1560 | ParticleAffectorFactory::~ParticleAffectorFactory() |
---|
| 1561 | { |
---|
| 1562 | // Destroy all affectors |
---|
| 1563 | std::vector<ParticleAffector*>::iterator i; |
---|
| 1564 | for (i = mAffectors.begin(); i != mAffectors.end(); ++i) |
---|
| 1565 | { |
---|
| 1566 | delete (*i); |
---|
| 1567 | } |
---|
| 1568 | |
---|
| 1569 | mAffectors.clear(); |
---|
| 1570 | |
---|
| 1571 | } |
---|
| 1572 | //----------------------------------------------------------------------- |
---|
| 1573 | void ParticleAffectorFactory::destroyAffector(ParticleAffector* e) |
---|
| 1574 | { |
---|
| 1575 | std::vector<ParticleAffector*>::iterator i; |
---|
| 1576 | for (i = mAffectors.begin(); i != mAffectors.end(); ++i) |
---|
| 1577 | { |
---|
| 1578 | if ((*i) == e) |
---|
| 1579 | { |
---|
| 1580 | mAffectors.erase(i); |
---|
| 1581 | delete e; |
---|
| 1582 | break; |
---|
| 1583 | } |
---|
| 1584 | } |
---|
| 1585 | } |
---|
| 1586 | |
---|
| 1587 | } |
---|