[692] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #include "OgreStableHeaders.h"
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| 26 |
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| 27 | #include "OgreParticleSystem.h"
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| 28 | #include "OgreParticleSystemManager.h"
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| 29 | #include "OgreRenderQueue.h"
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| 30 | #include "OgreBillboardSet.h"
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| 31 | #include "OgreParticleEmitter.h"
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| 32 | #include "OgreParticleAffector.h"
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| 33 | #include "OgreParticle.h"
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| 34 | #include "OgreSceneNode.h"
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| 35 | #include "OgreCamera.h"
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| 36 | #include "OgreStringConverter.h"
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| 37 | #include "OgreLogManager.h"
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| 38 | #include "OgreException.h"
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| 39 | #include "OgreParticleAffectorFactory.h"
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| 40 | #include "OgreParticleSystemRenderer.h"
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| 41 | #include "OgreMaterialManager.h"
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| 42 | #include "OgreSceneManager.h"
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| 43 | #include "OgreControllerManager.h"
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| 44 | #include "OgreRoot.h"
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| 45 |
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| 46 | namespace Ogre {
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| 47 | // Init statics
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| 48 | ParticleSystem::CmdCull ParticleSystem::msCullCmd;
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| 49 | ParticleSystem::CmdHeight ParticleSystem::msHeightCmd;
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| 50 | ParticleSystem::CmdMaterial ParticleSystem::msMaterialCmd;
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| 51 | ParticleSystem::CmdQuota ParticleSystem::msQuotaCmd;
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| 52 | ParticleSystem::CmdWidth ParticleSystem::msWidthCmd;
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| 53 | ParticleSystem::CmdRenderer ParticleSystem::msRendererCmd;
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| 54 | ParticleSystem::CmdSorted ParticleSystem::msSortedCmd;
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| 55 | ParticleSystem::CmdLocalSpace ParticleSystem::msLocalSpaceCmd;
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| 56 | ParticleSystem::CmdIterationInterval ParticleSystem::msIterationIntervalCmd;
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| 57 | ParticleSystem::CmdNonvisibleTimeout ParticleSystem::msNonvisibleTimeoutCmd;
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| 58 |
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| 59 | RadixSort<ParticleSystem::ActiveParticleList, Particle*, float> ParticleSystem::mRadixSorter;
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| 60 |
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| 61 | Real ParticleSystem::msDefaultIterationInterval = 0;
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| 62 | Real ParticleSystem::msDefaultNonvisibleTimeout = 0;
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| 63 |
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| 64 | //-----------------------------------------------------------------------
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| 65 | // Local class for updating based on time
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| 66 | class ParticleSystemUpdateValue : public ControllerValue<Real>
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| 67 | {
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| 68 | protected:
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| 69 | ParticleSystem* mTarget;
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| 70 | public:
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| 71 | ParticleSystemUpdateValue(ParticleSystem* target) : mTarget(target) {}
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| 72 |
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| 73 | Real getValue(void) const { return 0; } // N/A
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| 74 |
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| 75 | void setValue(Real value) { mTarget->_update(value); }
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| 76 |
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| 77 | };
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| 78 | //-----------------------------------------------------------------------
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| 79 | ParticleSystem::ParticleSystem()
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| 80 | : mBoundsAutoUpdate(true),
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| 81 | mBoundsUpdateTime(10.0f),
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| 82 | mUpdateRemainTime(0),
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| 83 | mResourceGroupName(ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME),
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| 84 | mIsRendererConfigured(false),
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| 85 | mSpeedFactor(1.0f),
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| 86 | mIterationInterval(0),
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| 87 | mIterationIntervalSet(false),
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| 88 | mSorted(false),
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| 89 | mLocalSpace(false),
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| 90 | mNonvisibleTimeout(0),
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| 91 | mNonvisibleTimeoutSet(false),
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| 92 | mTimeSinceLastVisible(0),
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| 93 | mLastVisibleFrame(0),
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| 94 | mTimeController(0),
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| 95 | mRenderer(0),
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| 96 | mCullIndividual(false),
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| 97 | mPoolSize(0)
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| 98 | {
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| 99 | initParameters();
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| 100 | mAABB.setExtents(-1, -1, -1, 1, 1, 1);
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| 101 | mBoundingRadius = 1;
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| 102 | // Init world AABB to something silly
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| 103 | Vector3 min( Math::POS_INFINITY, Math::POS_INFINITY, Math::POS_INFINITY );
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| 104 | Vector3 max( Math::NEG_INFINITY, Math::NEG_INFINITY, Math::NEG_INFINITY );
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| 105 | mWorldAABB.setExtents(min, max);
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| 106 |
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| 107 | // Default to billboard renderer
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| 108 | setRenderer("billboard");
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| 109 |
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| 110 | }
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| 111 | //-----------------------------------------------------------------------
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| 112 | ParticleSystem::ParticleSystem(const String& name, const String& resourceGroup)
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| 113 | : MovableObject(name),
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| 114 | mBoundsAutoUpdate(true),
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| 115 | mBoundsUpdateTime(10.0f),
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| 116 | mUpdateRemainTime(0),
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| 117 | mResourceGroupName(resourceGroup),
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| 118 | mIsRendererConfigured(false),
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| 119 | mSpeedFactor(1.0f),
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| 120 | mIterationInterval(0),
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| 121 | mIterationIntervalSet(false),
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| 122 | mSorted(false),
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| 123 | mNonvisibleTimeout(0),
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| 124 | mNonvisibleTimeoutSet(false),
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| 125 | mTimeSinceLastVisible(0),
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| 126 | mLastVisibleFrame(Root::getSingleton().getCurrentFrameNumber()),
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| 127 | mTimeController(0),
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| 128 | mLocalSpace(false),
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| 129 | mRenderer(0),
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| 130 | mCullIndividual(false),
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| 131 | mPoolSize(0)
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| 132 | {
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| 133 | setDefaultDimensions( 100, 100 );
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| 134 | setMaterialName( "BaseWhite" );
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| 135 | // Default to 10 particles, expect app to specify (will only be increased, not decreased)
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| 136 | setParticleQuota( 10 );
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| 137 | initParameters();
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| 138 | mAABB.setExtents(-1, -1, -1, 1, 1, 1);
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| 139 | mBoundingRadius = 1;
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| 140 | // Init world AABB to something silly
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| 141 | Vector3 min( Math::POS_INFINITY, Math::POS_INFINITY, Math::POS_INFINITY );
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| 142 | Vector3 max( Math::NEG_INFINITY, Math::NEG_INFINITY, Math::NEG_INFINITY );
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| 143 | mWorldAABB.setExtents(min, max);
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| 144 |
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| 145 | // Default to billboard renderer
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| 146 | setRenderer("billboard");
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| 147 | }
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| 148 | //-----------------------------------------------------------------------
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| 149 | ParticleSystem::~ParticleSystem()
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| 150 | {
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| 151 | if (mTimeController)
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| 152 | {
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| 153 | // Destroy controller
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| 154 | ControllerManager::getSingleton().destroyController(mTimeController);
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| 155 | mTimeController = 0;
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| 156 | }
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| 157 |
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| 158 | // Arrange for the deletion of emitters & affectors
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| 159 | removeAllEmitters();
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| 160 | removeAllAffectors();
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| 161 |
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| 162 | // Deallocate all particles
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| 163 | destroyVisualParticles(0, mParticlePool.size());
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| 164 | // Free pool items
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| 165 | ParticlePool::iterator i;
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| 166 | for (i = mParticlePool.begin(); i != mParticlePool.end(); ++i)
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| 167 | {
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| 168 | delete *i;
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| 169 | }
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| 170 |
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| 171 | if (mRenderer)
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| 172 | {
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| 173 | ParticleSystemManager::getSingleton()._destroyRenderer(mRenderer);
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| 174 | mRenderer = 0;
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| 175 | }
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| 176 |
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| 177 | }
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| 178 | //-----------------------------------------------------------------------
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| 179 | ParticleEmitter* ParticleSystem::addEmitter(const String& emitterType)
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| 180 | {
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| 181 | ParticleEmitter* em =
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| 182 | ParticleSystemManager::getSingleton()._createEmitter(emitterType, this);
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| 183 | mEmitters.push_back(em);
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| 184 | return em;
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| 185 | }
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| 186 | //-----------------------------------------------------------------------
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| 187 | ParticleEmitter* ParticleSystem::getEmitter(unsigned short index) const
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| 188 | {
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| 189 | assert(index < mEmitters.size() && "Emitter index out of bounds!");
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| 190 | return mEmitters[index];
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| 191 | }
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| 192 | //-----------------------------------------------------------------------
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| 193 | unsigned short ParticleSystem::getNumEmitters(void) const
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| 194 | {
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| 195 | return static_cast< unsigned short >( mEmitters.size() );
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| 196 | }
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| 197 | //-----------------------------------------------------------------------
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| 198 | void ParticleSystem::removeEmitter(unsigned short index)
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| 199 | {
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| 200 | assert(index < mEmitters.size() && "Emitter index out of bounds!");
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| 201 | ParticleEmitterList::iterator ei = mEmitters.begin() + index;
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| 202 | ParticleSystemManager::getSingleton()._destroyEmitter(*ei);
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| 203 | mEmitters.erase(ei);
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| 204 | }
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| 205 | //-----------------------------------------------------------------------
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| 206 | void ParticleSystem::removeAllEmitters(void)
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| 207 | {
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| 208 | // DON'T delete directly, we don't know what heap these have been created on
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| 209 | ParticleEmitterList::iterator ei;
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| 210 | for (ei = mEmitters.begin(); ei != mEmitters.end(); ++ei)
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| 211 | {
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| 212 | ParticleSystemManager::getSingleton()._destroyEmitter(*ei);
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| 213 | }
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| 214 | mEmitters.clear();
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| 215 | }
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| 216 | //-----------------------------------------------------------------------
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| 217 | ParticleAffector* ParticleSystem::addAffector(const String& affectorType)
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| 218 | {
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| 219 | ParticleAffector* af =
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| 220 | ParticleSystemManager::getSingleton()._createAffector(affectorType, this);
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| 221 | mAffectors.push_back(af);
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| 222 | return af;
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| 223 | }
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| 224 | //-----------------------------------------------------------------------
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| 225 | ParticleAffector* ParticleSystem::getAffector(unsigned short index) const
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| 226 | {
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| 227 | assert(index < mAffectors.size() && "Affector index out of bounds!");
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| 228 | return mAffectors[index];
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| 229 | }
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| 230 | //-----------------------------------------------------------------------
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| 231 | unsigned short ParticleSystem::getNumAffectors(void) const
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| 232 | {
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| 233 | return static_cast< unsigned short >( mAffectors.size() );
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| 234 | }
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| 235 | //-----------------------------------------------------------------------
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| 236 | void ParticleSystem::removeAffector(unsigned short index)
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| 237 | {
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| 238 | assert(index < mAffectors.size() && "Affector index out of bounds!");
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| 239 | ParticleAffectorList::iterator ai = mAffectors.begin() + index;
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| 240 | ParticleSystemManager::getSingleton()._destroyAffector(*ai);
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| 241 | mAffectors.erase(ai);
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| 242 | }
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| 243 | //-----------------------------------------------------------------------
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| 244 | void ParticleSystem::removeAllAffectors(void)
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| 245 | {
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| 246 | // DON'T delete directly, we don't know what heap these have been created on
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| 247 | ParticleAffectorList::iterator ai;
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| 248 | for (ai = mAffectors.begin(); ai != mAffectors.end(); ++ai)
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| 249 | {
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| 250 | ParticleSystemManager::getSingleton()._destroyAffector(*ai);
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| 251 | }
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| 252 | mAffectors.clear();
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| 253 | }
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| 254 | //-----------------------------------------------------------------------
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| 255 | ParticleSystem& ParticleSystem::operator=(const ParticleSystem& rhs)
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| 256 | {
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| 257 | // Blank this system's emitters & affectors
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| 258 | removeAllEmitters();
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| 259 | removeAllAffectors();
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| 260 |
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| 261 | // Copy emitters
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| 262 | unsigned int i;
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| 263 | for(i = 0; i < rhs.getNumEmitters(); ++i)
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| 264 | {
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| 265 | ParticleEmitter* rhsEm = rhs.getEmitter(i);
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| 266 | ParticleEmitter* newEm = addEmitter(rhsEm->getType());
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| 267 | rhsEm->copyParametersTo(newEm);
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| 268 | }
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| 269 | // Copy affectors
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| 270 | for(i = 0; i < rhs.getNumAffectors(); ++i)
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| 271 | {
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| 272 | ParticleAffector* rhsAf = rhs.getAffector(i);
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| 273 | ParticleAffector* newAf = addAffector(rhsAf->getType());
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| 274 | rhsAf->copyParametersTo(newAf);
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| 275 | }
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| 276 | setParticleQuota(rhs.getParticleQuota());
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| 277 | setMaterialName(rhs.mMaterialName);
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| 278 | setDefaultDimensions(rhs.mDefaultWidth, rhs.mDefaultHeight);
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| 279 | mCullIndividual = rhs.mCullIndividual;
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| 280 | mSorted = rhs.mSorted;
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| 281 | mLocalSpace = rhs.mLocalSpace;
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| 282 | mIterationInterval = rhs.mIterationInterval;
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| 283 | mIterationIntervalSet = rhs.mIterationIntervalSet;
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| 284 | mNonvisibleTimeout = rhs.mNonvisibleTimeout;
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| 285 | mNonvisibleTimeoutSet = rhs.mNonvisibleTimeoutSet;
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| 286 | // last frame visible and time since last visible should be left default
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| 287 |
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| 288 | setRenderer(rhs.getRendererName());
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| 289 | // Copy settings
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| 290 | if (mRenderer && rhs.getRenderer())
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| 291 | {
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| 292 | rhs.getRenderer()->copyParametersTo(mRenderer);
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| 293 | }
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| 294 |
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| 295 | return *this;
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| 296 |
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| 297 | }
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| 298 | //-----------------------------------------------------------------------
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| 299 | size_t ParticleSystem::getNumParticles(void) const
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| 300 | {
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| 301 | return mActiveParticles.size();
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| 302 | }
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| 303 | //-----------------------------------------------------------------------
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| 304 | size_t ParticleSystem::getParticleQuota(void) const
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| 305 | {
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| 306 | return mPoolSize;
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| 307 | }
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| 308 | //-----------------------------------------------------------------------
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| 309 | void ParticleSystem::setParticleQuota(size_t size)
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| 310 | {
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| 311 | // Never shrink below size()
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| 312 | size_t currSize = mParticlePool.size();
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| 313 |
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| 314 | if( currSize < size )
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| 315 | {
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| 316 | // Will allocate particles on demand
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| 317 | mPoolSize = size;
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| 318 |
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| 319 | }
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| 320 | }
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| 321 | //-----------------------------------------------------------------------
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| 322 | void ParticleSystem::setNonVisibleUpdateTimeout(Real timeout)
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| 323 | {
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| 324 | mNonvisibleTimeout = timeout;
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| 325 | mNonvisibleTimeoutSet = true;
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| 326 | }
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| 327 | //-----------------------------------------------------------------------
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| 328 | void ParticleSystem::setIterationInterval(Real interval)
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| 329 | {
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| 330 | mIterationInterval = interval;
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| 331 | mIterationIntervalSet = true;
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| 332 | }
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| 333 | //-----------------------------------------------------------------------
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| 334 | void ParticleSystem::_update(Real timeElapsed)
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| 335 | {
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| 336 | // Only update if attached to a node
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| 337 | if (!mParentNode)
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| 338 | return;
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| 339 |
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| 340 | Real nonvisibleTimeout = mNonvisibleTimeoutSet ?
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| 341 | mNonvisibleTimeout : msDefaultNonvisibleTimeout;
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| 342 |
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| 343 | if (nonvisibleTimeout > 0)
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| 344 | {
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| 345 | // Check whether it's been more than one frame (update is ahead of
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| 346 | // camera notification by one frame because of the ordering)
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| 347 | long frameDiff = Root::getSingleton().getCurrentFrameNumber() - mLastVisibleFrame;
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| 348 | if (frameDiff > 1 || frameDiff < 0) // < 0 if wrap only
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| 349 | {
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| 350 | mTimeSinceLastVisible += timeElapsed;
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| 351 | if (mTimeSinceLastVisible >= nonvisibleTimeout)
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| 352 | {
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| 353 | // No update
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| 354 | return;
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| 355 | }
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| 356 | }
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| 357 | }
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| 358 |
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| 359 | // Scale incoming speed for the rest of the calculation
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| 360 | timeElapsed *= mSpeedFactor;
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| 361 |
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| 362 | // Init renderer if not done already
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| 363 | configureRenderer();
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| 364 |
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| 365 | Real iterationInterval = mIterationIntervalSet ?
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| 366 | mIterationInterval : msDefaultIterationInterval;
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| 367 | if (iterationInterval > 0)
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| 368 | {
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| 369 | mUpdateRemainTime += timeElapsed;
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| 370 |
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| 371 | while (mUpdateRemainTime >= iterationInterval)
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| 372 | {
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| 373 | // Update existing particles
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| 374 | _expire(iterationInterval);
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| 375 | _triggerAffectors(iterationInterval);
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| 376 | _applyMotion(iterationInterval);
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| 377 | // Emit new particles
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| 378 | _triggerEmitters(iterationInterval);
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| 379 |
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| 380 | mUpdateRemainTime -= iterationInterval;
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| 381 | }
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| 382 | }
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| 383 | else
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| 384 | {
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| 385 | // Update existing particles
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| 386 | _expire(timeElapsed);
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| 387 | _triggerAffectors(timeElapsed);
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| 388 | _applyMotion(timeElapsed);
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| 389 | // Emit new particles
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| 390 | _triggerEmitters(timeElapsed);
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| 391 | }
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| 392 |
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| 393 | if (!mBoundsAutoUpdate && mBoundsUpdateTime > 0.0f)
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| 394 | mBoundsUpdateTime -= timeElapsed; // count down
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| 395 | _updateBounds();
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| 396 |
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| 397 | }
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| 398 | //-----------------------------------------------------------------------
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| 399 | void ParticleSystem::_expire(Real timeElapsed)
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| 400 | {
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| 401 | ActiveParticleList::iterator i, itEnd;
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| 402 | Particle* pParticle;
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| 403 |
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| 404 | itEnd = mActiveParticles.end();
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| 405 |
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| 406 | for (i = mActiveParticles.begin(); i != itEnd; )
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| 407 | {
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| 408 | pParticle = static_cast<Particle*>(*i);
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| 409 | if (pParticle->timeToLive < timeElapsed)
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| 410 | {
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| 411 | // Destroy this one
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| 412 | mFreeParticles.push_back( *i );
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| 413 | i = mActiveParticles.erase( i );
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| 414 | }
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| 415 | else
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| 416 | {
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| 417 | // Decrement TTL
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| 418 | pParticle->timeToLive -= timeElapsed;
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| 419 | ++i;
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| 420 | }
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| 421 |
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| 422 | }
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| 423 | }
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| 424 | //-----------------------------------------------------------------------
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| 425 | void ParticleSystem::_triggerEmitters(Real timeElapsed)
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| 426 | {
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| 427 | // Add up requests for emission
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| 428 | static std::vector<unsigned> requested;
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| 429 | if( requested.size() != mEmitters.size() )
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| 430 | requested.resize( mEmitters.size() );
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| 431 |
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| 432 | size_t totalRequested, emitterCount, i, emissionAllowed;
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| 433 | ParticleEmitterList::iterator itEmit, iEmitEnd;
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| 434 | ParticleAffectorList::iterator itAff, itAffEnd;
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| 435 |
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| 436 | iEmitEnd = mEmitters.end();
|
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| 437 | emitterCount = mEmitters.size();
|
---|
| 438 | emissionAllowed = mFreeParticles.size();
|
---|
| 439 | totalRequested = 0;
|
---|
| 440 |
|
---|
| 441 | // Count up total requested emissions
|
---|
| 442 | for (itEmit = mEmitters.begin(), i = 0; itEmit != iEmitEnd; ++itEmit, ++i)
|
---|
| 443 | {
|
---|
| 444 | requested[i] = (*itEmit)->_getEmissionCount(timeElapsed);
|
---|
| 445 | totalRequested += requested[i];
|
---|
| 446 | }
|
---|
| 447 |
|
---|
| 448 |
|
---|
| 449 | // Check if the quota will be exceeded, if so reduce demand
|
---|
| 450 | if (totalRequested > emissionAllowed)
|
---|
| 451 | {
|
---|
| 452 | // Apportion down requested values to allotted values
|
---|
| 453 | Real ratio = (Real)emissionAllowed / (Real)totalRequested;
|
---|
| 454 | for (i = 0; i < emitterCount; ++i)
|
---|
| 455 | {
|
---|
| 456 | requested[i] = static_cast<unsigned>(requested[i] * ratio);
|
---|
| 457 | }
|
---|
| 458 | }
|
---|
| 459 |
|
---|
| 460 | // Emit
|
---|
| 461 | // For each emission, apply a subset of the motion for the frame
|
---|
| 462 | // this ensures an even distribution of particles when many are
|
---|
| 463 | // emitted in a single frame
|
---|
| 464 | for (itEmit = mEmitters.begin(), i = 0; itEmit != iEmitEnd; ++itEmit, ++i)
|
---|
| 465 | {
|
---|
| 466 | Real timePoint = 0.0f;
|
---|
| 467 | Real timeInc = timeElapsed / requested[i];
|
---|
| 468 | for (unsigned int j = 0; j < requested[i]; ++j)
|
---|
| 469 | {
|
---|
| 470 | // Create a new particle & init using emitter
|
---|
| 471 | Particle* p = createParticle();
|
---|
| 472 | (*itEmit)->_initParticle(p);
|
---|
| 473 |
|
---|
| 474 | // Translate position & direction into world space
|
---|
| 475 | if (!mLocalSpace)
|
---|
| 476 | {
|
---|
| 477 | p->position =
|
---|
| 478 | (mParentNode->_getDerivedOrientation() *
|
---|
| 479 | (mParentNode->_getDerivedScale() * p->position))
|
---|
| 480 | + mParentNode->_getDerivedPosition();
|
---|
| 481 | p->direction =
|
---|
| 482 | (mParentNode->_getDerivedOrientation() * p->direction);
|
---|
| 483 | }
|
---|
| 484 |
|
---|
| 485 | // apply partial frame motion to this particle
|
---|
| 486 | p->position += (p->direction * timePoint);
|
---|
| 487 |
|
---|
| 488 | // apply particle initialization by the affectors
|
---|
| 489 | itAffEnd = mAffectors.end();
|
---|
| 490 | for (itAff = mAffectors.begin(); itAff != itAffEnd; ++itAff)
|
---|
| 491 | (*itAff)->_initParticle(p);
|
---|
| 492 |
|
---|
| 493 | // Increment time fragment
|
---|
| 494 | timePoint += timeInc;
|
---|
| 495 | }
|
---|
| 496 | }
|
---|
| 497 |
|
---|
| 498 |
|
---|
| 499 | }
|
---|
| 500 | //-----------------------------------------------------------------------
|
---|
| 501 | void ParticleSystem::_applyMotion(Real timeElapsed)
|
---|
| 502 | {
|
---|
| 503 | ActiveParticleList::iterator i, itEnd;
|
---|
| 504 | Particle* pParticle;
|
---|
| 505 |
|
---|
| 506 | itEnd = mActiveParticles.end();
|
---|
| 507 | for (i = mActiveParticles.begin(); i != itEnd; ++i)
|
---|
| 508 | {
|
---|
| 509 | pParticle = static_cast<Particle*>(*i);
|
---|
| 510 | pParticle->position += (pParticle->direction * timeElapsed);
|
---|
| 511 | }
|
---|
| 512 |
|
---|
| 513 | }
|
---|
| 514 | //-----------------------------------------------------------------------
|
---|
| 515 | void ParticleSystem::_triggerAffectors(Real timeElapsed)
|
---|
| 516 | {
|
---|
| 517 | ParticleAffectorList::iterator i, itEnd;
|
---|
| 518 |
|
---|
| 519 | itEnd = mAffectors.end();
|
---|
| 520 | for (i = mAffectors.begin(); i != itEnd; ++i)
|
---|
| 521 | {
|
---|
| 522 | (*i)->_affectParticles(this, timeElapsed);
|
---|
| 523 | }
|
---|
| 524 |
|
---|
| 525 | }
|
---|
| 526 | //-----------------------------------------------------------------------
|
---|
| 527 | void ParticleSystem::increasePool(size_t size)
|
---|
| 528 | {
|
---|
| 529 | size_t oldSize = mParticlePool.size();
|
---|
| 530 |
|
---|
| 531 | // Increase size
|
---|
| 532 | mParticlePool.reserve(size);
|
---|
| 533 | mParticlePool.resize(size);
|
---|
| 534 |
|
---|
| 535 | // Create new particles
|
---|
| 536 | for( size_t i = oldSize; i < size; i++ )
|
---|
| 537 | {
|
---|
| 538 | mParticlePool[i] = new Particle();
|
---|
| 539 | }
|
---|
| 540 |
|
---|
| 541 | if (mIsRendererConfigured)
|
---|
| 542 | {
|
---|
| 543 | createVisualParticles(oldSize, size);
|
---|
| 544 | }
|
---|
| 545 |
|
---|
| 546 |
|
---|
| 547 | }
|
---|
| 548 | //-----------------------------------------------------------------------
|
---|
| 549 | ParticleIterator ParticleSystem::_getIterator(void)
|
---|
| 550 | {
|
---|
| 551 | return ParticleIterator(mActiveParticles.begin(), mActiveParticles.end());
|
---|
| 552 | }
|
---|
| 553 | //-----------------------------------------------------------------------
|
---|
| 554 | Particle* ParticleSystem::getParticle(size_t index)
|
---|
| 555 | {
|
---|
| 556 | assert (index < mActiveParticles.size() && "Index out of bounds!");
|
---|
| 557 | ActiveParticleList::iterator i = mActiveParticles.begin();
|
---|
| 558 | std::advance(i, index);
|
---|
| 559 | return *i;
|
---|
| 560 | }
|
---|
| 561 | //-----------------------------------------------------------------------
|
---|
| 562 | Particle* ParticleSystem::createParticle(void)
|
---|
| 563 | {
|
---|
| 564 | // Fast creation (don't use superclass since emitter will init)
|
---|
| 565 | Particle* p = mFreeParticles.front();
|
---|
| 566 | mActiveParticles.splice(mActiveParticles.end(), mFreeParticles, mFreeParticles.begin());
|
---|
| 567 |
|
---|
| 568 | p->_notifyOwner(this);
|
---|
| 569 |
|
---|
| 570 | return p;
|
---|
| 571 |
|
---|
| 572 | }
|
---|
| 573 | //-----------------------------------------------------------------------
|
---|
| 574 | void ParticleSystem::_updateRenderQueue(RenderQueue* queue)
|
---|
| 575 | {
|
---|
| 576 | if (mRenderer)
|
---|
| 577 | {
|
---|
| 578 | mRenderer->_updateRenderQueue(queue, mActiveParticles, mCullIndividual);
|
---|
| 579 | }
|
---|
| 580 | }
|
---|
| 581 | void ParticleSystem::initParameters(void)
|
---|
| 582 | {
|
---|
| 583 | if (createParamDictionary("ParticleSystem"))
|
---|
| 584 | {
|
---|
| 585 | ParamDictionary* dict = getParamDictionary();
|
---|
| 586 |
|
---|
| 587 | dict->addParameter(ParameterDef("quota",
|
---|
| 588 | "The maximum number of particle allowed at once in this system.",
|
---|
| 589 | PT_UNSIGNED_INT),
|
---|
| 590 | &msQuotaCmd);
|
---|
| 591 |
|
---|
| 592 | dict->addParameter(ParameterDef("material",
|
---|
| 593 | "The name of the material to be used to render all particles in this system.",
|
---|
| 594 | PT_STRING),
|
---|
| 595 | &msMaterialCmd);
|
---|
| 596 |
|
---|
| 597 | dict->addParameter(ParameterDef("particle_width",
|
---|
| 598 | "The width of particles in world units.",
|
---|
| 599 | PT_REAL),
|
---|
| 600 | &msWidthCmd);
|
---|
| 601 |
|
---|
| 602 | dict->addParameter(ParameterDef("particle_height",
|
---|
| 603 | "The height of particles in world units.",
|
---|
| 604 | PT_REAL),
|
---|
| 605 | &msHeightCmd);
|
---|
| 606 |
|
---|
| 607 | dict->addParameter(ParameterDef("cull_each",
|
---|
| 608 | "If true, each particle is culled in it's own right. If false, the entire system is culled as a whole.",
|
---|
| 609 | PT_BOOL),
|
---|
| 610 | &msCullCmd);
|
---|
| 611 |
|
---|
| 612 | dict->addParameter(ParameterDef("renderer",
|
---|
| 613 | "Sets the particle system renderer to use (default 'billboard').",
|
---|
| 614 | PT_STRING),
|
---|
| 615 | &msRendererCmd);
|
---|
| 616 |
|
---|
| 617 | dict->addParameter(ParameterDef("sorted",
|
---|
| 618 | "Sets whether particles should be sorted relative to the camera. ",
|
---|
| 619 | PT_BOOL),
|
---|
| 620 | &msSortedCmd);
|
---|
| 621 |
|
---|
| 622 | dict->addParameter(ParameterDef("local_space",
|
---|
| 623 | "Sets whether particles should be kept in local space rather than "
|
---|
| 624 | "emitted into world space. ",
|
---|
| 625 | PT_BOOL),
|
---|
| 626 | &msLocalSpaceCmd);
|
---|
| 627 |
|
---|
| 628 | dict->addParameter(ParameterDef("iteration_interval",
|
---|
| 629 | "Sets a fixed update interval for the system, or 0 for the frame rate. ",
|
---|
| 630 | PT_REAL),
|
---|
| 631 | &msIterationIntervalCmd);
|
---|
| 632 |
|
---|
| 633 | dict->addParameter(ParameterDef("nonvisible_update_timeout",
|
---|
| 634 | "Sets a timeout on updates to the system if the system is not visible "
|
---|
| 635 | "for the given number of seconds (0 to always update)",
|
---|
| 636 | PT_REAL),
|
---|
| 637 | &msNonvisibleTimeoutCmd);
|
---|
| 638 |
|
---|
| 639 | }
|
---|
| 640 | }
|
---|
| 641 | //-----------------------------------------------------------------------
|
---|
| 642 | void ParticleSystem::_updateBounds()
|
---|
| 643 | {
|
---|
| 644 |
|
---|
| 645 | if (mParentNode && (mBoundsAutoUpdate || mBoundsUpdateTime > 0.0f))
|
---|
| 646 | {
|
---|
| 647 |
|
---|
| 648 | Vector3 min;
|
---|
| 649 | Vector3 max;
|
---|
| 650 | if (!mBoundsAutoUpdate)
|
---|
| 651 | {
|
---|
| 652 | // We're on a limit, grow rather than reset each time
|
---|
| 653 | // so that we pick up the worst case scenario
|
---|
| 654 | min = mWorldAABB.getMinimum();
|
---|
| 655 | max = mWorldAABB.getMaximum();
|
---|
| 656 | }
|
---|
| 657 | else
|
---|
| 658 | {
|
---|
| 659 | min.x = min.y = min.z = Math::POS_INFINITY;
|
---|
| 660 | max.x = max.y = max.z = Math::NEG_INFINITY;
|
---|
| 661 | }
|
---|
| 662 | ActiveParticleList::iterator p;
|
---|
| 663 | Vector3 halfScale = Vector3::UNIT_SCALE * 0.5;
|
---|
| 664 | Vector3 defaultPadding =
|
---|
| 665 | halfScale * std::max(mDefaultHeight, mDefaultWidth);
|
---|
| 666 | for (p = mActiveParticles.begin(); p != mActiveParticles.end(); ++p)
|
---|
| 667 | {
|
---|
| 668 |
|
---|
| 669 | if ((*p)->mOwnDimensions)
|
---|
| 670 | {
|
---|
| 671 | Vector3 padding =
|
---|
| 672 | halfScale * std::max((*p)->mWidth, (*p)->mHeight);
|
---|
| 673 | min.makeFloor((*p)->position - padding);
|
---|
| 674 | max.makeCeil((*p)->position + padding);
|
---|
| 675 | }
|
---|
| 676 | else
|
---|
| 677 | {
|
---|
| 678 | min.makeFloor((*p)->position - defaultPadding);
|
---|
| 679 | max.makeCeil((*p)->position + defaultPadding);
|
---|
| 680 | }
|
---|
| 681 | }
|
---|
| 682 | mWorldAABB.setExtents(min, max);
|
---|
| 683 |
|
---|
| 684 |
|
---|
| 685 | if (mLocalSpace)
|
---|
| 686 | {
|
---|
| 687 | // Merge calculated box with current AABB to preserve any user-set AABB
|
---|
| 688 | mAABB.merge(mWorldAABB);
|
---|
| 689 | }
|
---|
| 690 | else
|
---|
| 691 | {
|
---|
| 692 | // We've already put particles in world space to decouple them from the
|
---|
| 693 | // node transform, so reverse transform back since we're expected to
|
---|
| 694 | // provide a local AABB
|
---|
| 695 | AxisAlignedBox newAABB(mWorldAABB);
|
---|
| 696 | newAABB.transform(mParentNode->_getFullTransform().inverse());
|
---|
| 697 |
|
---|
| 698 | // Merge calculated box with current AABB to preserve any user-set AABB
|
---|
| 699 | mAABB.merge(newAABB);
|
---|
| 700 | }
|
---|
| 701 |
|
---|
| 702 | mParentNode->needUpdate();
|
---|
| 703 | }
|
---|
| 704 | }
|
---|
| 705 | //-----------------------------------------------------------------------
|
---|
| 706 | void ParticleSystem::fastForward(Real time, Real interval)
|
---|
| 707 | {
|
---|
| 708 | // First make sure all transforms are up to date
|
---|
| 709 |
|
---|
| 710 | for (Real ftime = 0; ftime < time; ftime += interval)
|
---|
| 711 | {
|
---|
| 712 | _update(interval);
|
---|
| 713 | }
|
---|
| 714 | }
|
---|
| 715 | //-----------------------------------------------------------------------
|
---|
| 716 | const String& ParticleSystem::getMovableType(void) const
|
---|
| 717 | {
|
---|
| 718 | return ParticleSystemFactory::FACTORY_TYPE_NAME;
|
---|
| 719 | }
|
---|
| 720 | //-----------------------------------------------------------------------
|
---|
| 721 | void ParticleSystem::_notifyParticleResized(void)
|
---|
| 722 | {
|
---|
| 723 | if (mRenderer)
|
---|
| 724 | {
|
---|
| 725 | mRenderer->_notifyParticleResized();
|
---|
| 726 | }
|
---|
| 727 | }
|
---|
| 728 | //-----------------------------------------------------------------------
|
---|
| 729 | void ParticleSystem::_notifyParticleRotated(void)
|
---|
| 730 | {
|
---|
| 731 | if (mRenderer)
|
---|
| 732 | {
|
---|
| 733 | mRenderer->_notifyParticleRotated();
|
---|
| 734 | }
|
---|
| 735 | }
|
---|
| 736 | //-----------------------------------------------------------------------
|
---|
| 737 | void ParticleSystem::setDefaultDimensions( Real width, Real height )
|
---|
| 738 | {
|
---|
| 739 | mDefaultWidth = width;
|
---|
| 740 | mDefaultHeight = height;
|
---|
| 741 | if (mRenderer)
|
---|
| 742 | {
|
---|
| 743 | mRenderer->_notifyDefaultDimensions(width, height);
|
---|
| 744 | }
|
---|
| 745 | }
|
---|
| 746 | //-----------------------------------------------------------------------
|
---|
| 747 | void ParticleSystem::setDefaultWidth(Real width)
|
---|
| 748 | {
|
---|
| 749 | mDefaultWidth = width;
|
---|
| 750 | if (mRenderer)
|
---|
| 751 | {
|
---|
| 752 | mRenderer->_notifyDefaultDimensions(mDefaultWidth, mDefaultHeight);
|
---|
| 753 | }
|
---|
| 754 | }
|
---|
| 755 | //-----------------------------------------------------------------------
|
---|
| 756 | Real ParticleSystem::getDefaultWidth(void) const
|
---|
| 757 | {
|
---|
| 758 | return mDefaultWidth;
|
---|
| 759 | }
|
---|
| 760 | //-----------------------------------------------------------------------
|
---|
| 761 | void ParticleSystem::setDefaultHeight(Real height)
|
---|
| 762 | {
|
---|
| 763 | mDefaultHeight = height;
|
---|
| 764 | if (mRenderer)
|
---|
| 765 | {
|
---|
| 766 | mRenderer->_notifyDefaultDimensions(mDefaultWidth, mDefaultHeight);
|
---|
| 767 | }
|
---|
| 768 | }
|
---|
| 769 | //-----------------------------------------------------------------------
|
---|
| 770 | Real ParticleSystem::getDefaultHeight(void) const
|
---|
| 771 | {
|
---|
| 772 | return mDefaultHeight;
|
---|
| 773 | }
|
---|
| 774 | //-----------------------------------------------------------------------
|
---|
| 775 | void ParticleSystem::_notifyCurrentCamera(Camera* cam)
|
---|
| 776 | {
|
---|
| 777 | MovableObject::_notifyCurrentCamera(cam);
|
---|
| 778 |
|
---|
| 779 | // Record visible
|
---|
| 780 | mLastVisibleFrame = Root::getSingleton().getCurrentFrameNumber();
|
---|
| 781 | mTimeSinceLastVisible = 0.0f;
|
---|
| 782 |
|
---|
| 783 | if (mSorted)
|
---|
| 784 | {
|
---|
| 785 | _sortParticles(cam);
|
---|
| 786 | }
|
---|
| 787 |
|
---|
| 788 | if (mRenderer)
|
---|
| 789 | {
|
---|
| 790 | if (!mIsRendererConfigured)
|
---|
| 791 | configureRenderer();
|
---|
| 792 |
|
---|
| 793 | mRenderer->_notifyCurrentCamera(cam);
|
---|
| 794 | }
|
---|
| 795 | }
|
---|
| 796 | //-----------------------------------------------------------------------
|
---|
| 797 | void ParticleSystem::_notifyAttached(Node* parent, bool isTagPoint)
|
---|
| 798 | {
|
---|
| 799 | MovableObject::_notifyAttached(parent, isTagPoint);
|
---|
| 800 | if (mRenderer)
|
---|
| 801 | {
|
---|
| 802 | mRenderer->_notifyAttached(parent, isTagPoint);
|
---|
| 803 | }
|
---|
| 804 |
|
---|
| 805 | if (parent && !mTimeController)
|
---|
| 806 | {
|
---|
| 807 | // Assume visible
|
---|
| 808 | mTimeSinceLastVisible = 0;
|
---|
| 809 | mLastVisibleFrame = Root::getSingleton().getCurrentFrameNumber();
|
---|
| 810 |
|
---|
| 811 | // Create time controller when attached
|
---|
| 812 | ControllerManager& mgr = ControllerManager::getSingleton();
|
---|
| 813 | ControllerValueRealPtr updValue(new ParticleSystemUpdateValue(this));
|
---|
| 814 | mTimeController = mgr.createFrameTimePassthroughController(updValue);
|
---|
| 815 | }
|
---|
| 816 | else if (!parent && mTimeController)
|
---|
| 817 | {
|
---|
| 818 | // Destroy controller
|
---|
| 819 | ControllerManager::getSingleton().destroyController(mTimeController);
|
---|
| 820 | mTimeController = 0;
|
---|
| 821 | }
|
---|
| 822 | }
|
---|
| 823 | //-----------------------------------------------------------------------
|
---|
| 824 | void ParticleSystem::setMaterialName(const String& name)
|
---|
| 825 | {
|
---|
| 826 | mMaterialName = name;
|
---|
| 827 | if (mIsRendererConfigured)
|
---|
| 828 | {
|
---|
| 829 | MaterialPtr mat = MaterialManager::getSingleton().load(
|
---|
| 830 | mMaterialName, mResourceGroupName);
|
---|
| 831 | mRenderer->_setMaterial(mat);
|
---|
| 832 | }
|
---|
| 833 | }
|
---|
| 834 | //-----------------------------------------------------------------------
|
---|
| 835 | const String& ParticleSystem::getMaterialName(void) const
|
---|
| 836 | {
|
---|
| 837 | return mMaterialName;
|
---|
| 838 | }
|
---|
| 839 | //-----------------------------------------------------------------------
|
---|
| 840 | void ParticleSystem::clear()
|
---|
| 841 | {
|
---|
| 842 | // Insert actives into free list
|
---|
| 843 | mFreeParticles.insert(mFreeParticles.end(), mActiveParticles.begin(), mActiveParticles.end());
|
---|
| 844 |
|
---|
| 845 | // Remove all active instances
|
---|
| 846 | mActiveParticles.clear();
|
---|
| 847 |
|
---|
| 848 | // Reset update remain time
|
---|
| 849 | mUpdateRemainTime = 0;
|
---|
| 850 | }
|
---|
| 851 | //-----------------------------------------------------------------------
|
---|
| 852 | void ParticleSystem::setRenderer(const String& rendererName)
|
---|
| 853 | {
|
---|
| 854 | if (mRenderer)
|
---|
| 855 | {
|
---|
| 856 | // Destroy existing
|
---|
| 857 | destroyVisualParticles(0, mParticlePool.size());
|
---|
| 858 | ParticleSystemManager::getSingleton()._destroyRenderer(mRenderer);
|
---|
| 859 | mRenderer = 0;
|
---|
| 860 | }
|
---|
| 861 |
|
---|
| 862 | if (!rendererName.empty())
|
---|
| 863 | {
|
---|
| 864 | mRenderer = ParticleSystemManager::getSingleton()._createRenderer(rendererName);
|
---|
| 865 | mIsRendererConfigured = false;
|
---|
| 866 | }
|
---|
| 867 | }
|
---|
| 868 | //-----------------------------------------------------------------------
|
---|
| 869 | void ParticleSystem::configureRenderer(void)
|
---|
| 870 | {
|
---|
| 871 | // Actual allocate particles
|
---|
| 872 | size_t currSize = mParticlePool.size();
|
---|
| 873 | size_t size = mPoolSize;
|
---|
| 874 | if( currSize < size )
|
---|
| 875 | {
|
---|
| 876 | this->increasePool(size);
|
---|
| 877 |
|
---|
| 878 | for( size_t i = currSize; i < size; ++i )
|
---|
| 879 | {
|
---|
| 880 | // Add new items to the queue
|
---|
| 881 | mFreeParticles.push_back( mParticlePool[i] );
|
---|
| 882 | }
|
---|
| 883 |
|
---|
| 884 | // Tell the renderer, if already configured
|
---|
| 885 | if (mRenderer && mIsRendererConfigured)
|
---|
| 886 | {
|
---|
| 887 | mRenderer->_notifyParticleQuota(size);
|
---|
| 888 | }
|
---|
| 889 | }
|
---|
| 890 |
|
---|
| 891 | if (mRenderer && !mIsRendererConfigured)
|
---|
| 892 | {
|
---|
| 893 | mRenderer->_notifyParticleQuota(mParticlePool.size());
|
---|
| 894 | if (mParentNode)
|
---|
| 895 | mRenderer->_notifyAttached(mParentNode, mParentIsTagPoint);
|
---|
| 896 | mRenderer->_notifyDefaultDimensions(mDefaultWidth, mDefaultHeight);
|
---|
| 897 | createVisualParticles(0, mParticlePool.size());
|
---|
| 898 | MaterialPtr mat = MaterialManager::getSingleton().load(
|
---|
| 899 | mMaterialName, mResourceGroupName);
|
---|
| 900 | mRenderer->_setMaterial(mat);
|
---|
| 901 | if (mRenderQueueIDSet)
|
---|
| 902 | mRenderer->setRenderQueueGroup(mRenderQueueID);
|
---|
| 903 | mRenderer->setKeepParticlesInLocalSpace(mLocalSpace);
|
---|
| 904 | mIsRendererConfigured = true;
|
---|
| 905 | }
|
---|
| 906 | }
|
---|
| 907 | //-----------------------------------------------------------------------
|
---|
| 908 | ParticleSystemRenderer* ParticleSystem::getRenderer(void) const
|
---|
| 909 | {
|
---|
| 910 | return mRenderer;
|
---|
| 911 | }
|
---|
| 912 | //-----------------------------------------------------------------------
|
---|
| 913 | const String& ParticleSystem::getRendererName(void) const
|
---|
| 914 | {
|
---|
| 915 | if (mRenderer)
|
---|
| 916 | {
|
---|
| 917 | return mRenderer->getType();
|
---|
| 918 | }
|
---|
| 919 | else
|
---|
| 920 | {
|
---|
| 921 | return StringUtil::BLANK;
|
---|
| 922 | }
|
---|
| 923 | }
|
---|
| 924 | //-----------------------------------------------------------------------
|
---|
| 925 | bool ParticleSystem::getCullIndividually(void) const
|
---|
| 926 | {
|
---|
| 927 | return mCullIndividual;
|
---|
| 928 | }
|
---|
| 929 | //-----------------------------------------------------------------------
|
---|
| 930 | void ParticleSystem::setCullIndividually(bool cullIndividual)
|
---|
| 931 | {
|
---|
| 932 | mCullIndividual = cullIndividual;
|
---|
| 933 | }
|
---|
| 934 | //-----------------------------------------------------------------------
|
---|
| 935 | void ParticleSystem::createVisualParticles(size_t poolstart, size_t poolend)
|
---|
| 936 | {
|
---|
| 937 | ParticlePool::iterator i = mParticlePool.begin();
|
---|
| 938 | ParticlePool::iterator iend = mParticlePool.begin();
|
---|
| 939 | std::advance(i, poolstart);
|
---|
| 940 | std::advance(iend, poolend);
|
---|
| 941 | for (; i != iend; ++i)
|
---|
| 942 | {
|
---|
| 943 | (*i)->_notifyVisualData(
|
---|
| 944 | mRenderer->_createVisualData());
|
---|
| 945 | }
|
---|
| 946 | }
|
---|
| 947 | //-----------------------------------------------------------------------
|
---|
| 948 | void ParticleSystem::destroyVisualParticles(size_t poolstart, size_t poolend)
|
---|
| 949 | {
|
---|
| 950 | ParticlePool::iterator i = mParticlePool.begin();
|
---|
| 951 | ParticlePool::iterator iend = mParticlePool.begin();
|
---|
| 952 | std::advance(i, poolstart);
|
---|
| 953 | std::advance(iend, poolend);
|
---|
| 954 | for (; i != iend; ++i)
|
---|
| 955 | {
|
---|
| 956 | mRenderer->_destroyVisualData((*i)->getVisualData());
|
---|
| 957 | (*i)->_notifyVisualData(0);
|
---|
| 958 | }
|
---|
| 959 | }
|
---|
| 960 | //-----------------------------------------------------------------------
|
---|
| 961 | void ParticleSystem::setBounds(const AxisAlignedBox& aabb)
|
---|
| 962 | {
|
---|
| 963 | mAABB = aabb;
|
---|
| 964 | Real sqDist = std::max(mAABB.getMinimum().squaredLength(),
|
---|
| 965 | mAABB.getMaximum().squaredLength());
|
---|
| 966 | mBoundingRadius = Math::Sqrt(sqDist);
|
---|
| 967 |
|
---|
| 968 | }
|
---|
| 969 | //-----------------------------------------------------------------------
|
---|
| 970 | void ParticleSystem::setBoundsAutoUpdated(bool autoUpdate, Real stopIn)
|
---|
| 971 | {
|
---|
| 972 | mBoundsAutoUpdate = autoUpdate;
|
---|
| 973 | mBoundsUpdateTime = stopIn;
|
---|
| 974 | }
|
---|
| 975 | //-----------------------------------------------------------------------
|
---|
| 976 | void ParticleSystem::setRenderQueueGroup(uint8 queueID)
|
---|
| 977 | {
|
---|
| 978 | MovableObject::setRenderQueueGroup(queueID);
|
---|
| 979 | if (mRenderer)
|
---|
| 980 | {
|
---|
| 981 | mRenderer->setRenderQueueGroup(queueID);
|
---|
| 982 | }
|
---|
| 983 | }
|
---|
| 984 | //-----------------------------------------------------------------------
|
---|
| 985 | void ParticleSystem::setKeepParticlesInLocalSpace(bool keepLocal)
|
---|
| 986 | {
|
---|
| 987 | mLocalSpace = keepLocal;
|
---|
| 988 | if (mRenderer)
|
---|
| 989 | {
|
---|
| 990 | mRenderer->setKeepParticlesInLocalSpace(keepLocal);
|
---|
| 991 | }
|
---|
| 992 | }
|
---|
| 993 | //-----------------------------------------------------------------------
|
---|
| 994 | void ParticleSystem::_sortParticles(Camera* cam)
|
---|
| 995 | {
|
---|
| 996 | if (mRenderer)
|
---|
| 997 | {
|
---|
| 998 | SortMode sortMode = mRenderer->_getSortMode();
|
---|
| 999 | if (sortMode == SM_DIRECTION)
|
---|
| 1000 | {
|
---|
| 1001 | Vector3 camDir = cam->getDerivedDirection();
|
---|
| 1002 | if (mLocalSpace)
|
---|
| 1003 | {
|
---|
| 1004 | // transform the camera direction into local space
|
---|
| 1005 | camDir = mParentNode->_getDerivedOrientation().UnitInverse() * camDir;
|
---|
| 1006 | }
|
---|
| 1007 | mRadixSorter.sort(mActiveParticles, SortByDirectionFunctor(- camDir));
|
---|
| 1008 | }
|
---|
| 1009 | else if (sortMode == SM_DISTANCE)
|
---|
| 1010 | {
|
---|
| 1011 | Vector3 camPos = cam->getDerivedPosition();
|
---|
| 1012 | if (mLocalSpace)
|
---|
| 1013 | {
|
---|
| 1014 | // transform the camera position into local space
|
---|
| 1015 | camPos = mParentNode->_getDerivedOrientation().UnitInverse() *
|
---|
| 1016 | (camPos - mParentNode->_getDerivedPosition()) / mParentNode->_getDerivedScale();
|
---|
| 1017 | }
|
---|
| 1018 | mRadixSorter.sort(mActiveParticles, SortByDistanceFunctor(camPos));
|
---|
| 1019 | }
|
---|
| 1020 | }
|
---|
| 1021 | }
|
---|
| 1022 | ParticleSystem::SortByDirectionFunctor::SortByDirectionFunctor(const Vector3& dir)
|
---|
| 1023 | : sortDir(dir)
|
---|
| 1024 | {
|
---|
| 1025 | }
|
---|
| 1026 | float ParticleSystem::SortByDirectionFunctor::operator()(Particle* p) const
|
---|
| 1027 | {
|
---|
| 1028 | return sortDir.dotProduct(p->position);
|
---|
| 1029 | }
|
---|
| 1030 | ParticleSystem::SortByDistanceFunctor::SortByDistanceFunctor(const Vector3& pos)
|
---|
| 1031 | : sortPos(pos)
|
---|
| 1032 | {
|
---|
| 1033 | }
|
---|
| 1034 | float ParticleSystem::SortByDistanceFunctor::operator()(Particle* p) const
|
---|
| 1035 | {
|
---|
| 1036 | // Sort descending by squared distance
|
---|
| 1037 | return - (sortPos - p->position).squaredLength();
|
---|
| 1038 | }
|
---|
| 1039 | //-----------------------------------------------------------------------
|
---|
| 1040 | uint32 ParticleSystem::getTypeFlags(void) const
|
---|
| 1041 | {
|
---|
| 1042 | return SceneManager::FX_TYPE_MASK;
|
---|
| 1043 | }
|
---|
| 1044 | //-----------------------------------------------------------------------
|
---|
| 1045 | String ParticleSystem::CmdCull::doGet(const void* target) const
|
---|
| 1046 | {
|
---|
| 1047 | return StringConverter::toString(
|
---|
| 1048 | static_cast<const ParticleSystem*>(target)->getCullIndividually() );
|
---|
| 1049 | }
|
---|
| 1050 | void ParticleSystem::CmdCull::doSet(void* target, const String& val)
|
---|
| 1051 | {
|
---|
| 1052 | static_cast<ParticleSystem*>(target)->setCullIndividually(
|
---|
| 1053 | StringConverter::parseBool(val));
|
---|
| 1054 | }
|
---|
| 1055 | //-----------------------------------------------------------------------
|
---|
| 1056 | String ParticleSystem::CmdHeight::doGet(const void* target) const
|
---|
| 1057 | {
|
---|
| 1058 | return StringConverter::toString(
|
---|
| 1059 | static_cast<const ParticleSystem*>(target)->getDefaultHeight() );
|
---|
| 1060 | }
|
---|
| 1061 | void ParticleSystem::CmdHeight::doSet(void* target, const String& val)
|
---|
| 1062 | {
|
---|
| 1063 | static_cast<ParticleSystem*>(target)->setDefaultHeight(
|
---|
| 1064 | StringConverter::parseReal(val));
|
---|
| 1065 | }
|
---|
| 1066 | //-----------------------------------------------------------------------
|
---|
| 1067 | String ParticleSystem::CmdWidth::doGet(const void* target) const
|
---|
| 1068 | {
|
---|
| 1069 | return StringConverter::toString(
|
---|
| 1070 | static_cast<const ParticleSystem*>(target)->getDefaultWidth() );
|
---|
| 1071 | }
|
---|
| 1072 | void ParticleSystem::CmdWidth::doSet(void* target, const String& val)
|
---|
| 1073 | {
|
---|
| 1074 | static_cast<ParticleSystem*>(target)->setDefaultWidth(
|
---|
| 1075 | StringConverter::parseReal(val));
|
---|
| 1076 | }
|
---|
| 1077 | //-----------------------------------------------------------------------
|
---|
| 1078 | String ParticleSystem::CmdMaterial::doGet(const void* target) const
|
---|
| 1079 | {
|
---|
| 1080 | return static_cast<const ParticleSystem*>(target)->getMaterialName();
|
---|
| 1081 | }
|
---|
| 1082 | void ParticleSystem::CmdMaterial::doSet(void* target, const String& val)
|
---|
| 1083 | {
|
---|
| 1084 | static_cast<ParticleSystem*>(target)->setMaterialName(val);
|
---|
| 1085 | }
|
---|
| 1086 | //-----------------------------------------------------------------------
|
---|
| 1087 | String ParticleSystem::CmdQuota::doGet(const void* target) const
|
---|
| 1088 | {
|
---|
| 1089 | return StringConverter::toString(
|
---|
| 1090 | static_cast<const ParticleSystem*>(target)->getParticleQuota() );
|
---|
| 1091 | }
|
---|
| 1092 | void ParticleSystem::CmdQuota::doSet(void* target, const String& val)
|
---|
| 1093 | {
|
---|
| 1094 | static_cast<ParticleSystem*>(target)->setParticleQuota(
|
---|
| 1095 | StringConverter::parseUnsignedInt(val));
|
---|
| 1096 | }
|
---|
| 1097 | //-----------------------------------------------------------------------
|
---|
| 1098 | String ParticleSystem::CmdRenderer::doGet(const void* target) const
|
---|
| 1099 | {
|
---|
| 1100 | return static_cast<const ParticleSystem*>(target)->getRendererName();
|
---|
| 1101 | }
|
---|
| 1102 | void ParticleSystem::CmdRenderer::doSet(void* target, const String& val)
|
---|
| 1103 | {
|
---|
| 1104 | static_cast<ParticleSystem*>(target)->setRenderer(val);
|
---|
| 1105 | }
|
---|
| 1106 | //-----------------------------------------------------------------------
|
---|
| 1107 | String ParticleSystem::CmdSorted::doGet(const void* target) const
|
---|
| 1108 | {
|
---|
| 1109 | return StringConverter::toString(
|
---|
| 1110 | static_cast<const ParticleSystem*>(target)->getSortingEnabled());
|
---|
| 1111 | }
|
---|
| 1112 | void ParticleSystem::CmdSorted::doSet(void* target, const String& val)
|
---|
| 1113 | {
|
---|
| 1114 | static_cast<ParticleSystem*>(target)->setSortingEnabled(
|
---|
| 1115 | StringConverter::parseBool(val));
|
---|
| 1116 | }
|
---|
| 1117 | //-----------------------------------------------------------------------
|
---|
| 1118 | String ParticleSystem::CmdLocalSpace::doGet(const void* target) const
|
---|
| 1119 | {
|
---|
| 1120 | return StringConverter::toString(
|
---|
| 1121 | static_cast<const ParticleSystem*>(target)->getKeepParticlesInLocalSpace());
|
---|
| 1122 | }
|
---|
| 1123 | void ParticleSystem::CmdLocalSpace::doSet(void* target, const String& val)
|
---|
| 1124 | {
|
---|
| 1125 | static_cast<ParticleSystem*>(target)->setKeepParticlesInLocalSpace(
|
---|
| 1126 | StringConverter::parseBool(val));
|
---|
| 1127 | }
|
---|
| 1128 | //-----------------------------------------------------------------------
|
---|
| 1129 | String ParticleSystem::CmdIterationInterval::doGet(const void* target) const
|
---|
| 1130 | {
|
---|
| 1131 | return StringConverter::toString(
|
---|
| 1132 | static_cast<const ParticleSystem*>(target)->getIterationInterval());
|
---|
| 1133 | }
|
---|
| 1134 | void ParticleSystem::CmdIterationInterval::doSet(void* target, const String& val)
|
---|
| 1135 | {
|
---|
| 1136 | static_cast<ParticleSystem*>(target)->setIterationInterval(
|
---|
| 1137 | StringConverter::parseReal(val));
|
---|
| 1138 | }
|
---|
| 1139 | //-----------------------------------------------------------------------
|
---|
| 1140 | String ParticleSystem::CmdNonvisibleTimeout::doGet(const void* target) const
|
---|
| 1141 | {
|
---|
| 1142 | return StringConverter::toString(
|
---|
| 1143 | static_cast<const ParticleSystem*>(target)->getNonVisibleUpdateTimeout());
|
---|
| 1144 | }
|
---|
| 1145 | void ParticleSystem::CmdNonvisibleTimeout::doSet(void* target, const String& val)
|
---|
| 1146 | {
|
---|
| 1147 | static_cast<ParticleSystem*>(target)->setNonVisibleUpdateTimeout(
|
---|
| 1148 | StringConverter::parseReal(val));
|
---|
| 1149 | }
|
---|
| 1150 | //-----------------------------------------------------------------------
|
---|
| 1151 | ParticleAffector::~ParticleAffector()
|
---|
| 1152 | {
|
---|
| 1153 | }
|
---|
| 1154 | //-----------------------------------------------------------------------
|
---|
| 1155 | ParticleAffectorFactory::~ParticleAffectorFactory()
|
---|
| 1156 | {
|
---|
| 1157 | // Destroy all affectors
|
---|
| 1158 | std::vector<ParticleAffector*>::iterator i;
|
---|
| 1159 | for (i = mAffectors.begin(); i != mAffectors.end(); ++i)
|
---|
| 1160 | {
|
---|
| 1161 | delete (*i);
|
---|
| 1162 | }
|
---|
| 1163 |
|
---|
| 1164 | mAffectors.clear();
|
---|
| 1165 |
|
---|
| 1166 | }
|
---|
| 1167 | //-----------------------------------------------------------------------
|
---|
| 1168 | void ParticleAffectorFactory::destroyAffector(ParticleAffector* e)
|
---|
| 1169 | {
|
---|
| 1170 | std::vector<ParticleAffector*>::iterator i;
|
---|
| 1171 | for (i = mAffectors.begin(); i != mAffectors.end(); ++i)
|
---|
| 1172 | {
|
---|
| 1173 | if ((*i) == e)
|
---|
| 1174 | {
|
---|
| 1175 | mAffectors.erase(i);
|
---|
| 1176 | delete e;
|
---|
| 1177 | break;
|
---|
| 1178 | }
|
---|
| 1179 | }
|
---|
| 1180 | }
|
---|
| 1181 |
|
---|
| 1182 | }
|
---|