969 lines
26 KiB
C++
969 lines
26 KiB
C++
/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "stdneb.h"
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#include "particles/particlesystem.h"
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#include "particles/particletarget.h"
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#include "particles/particle.h"
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#include "particles/particleserver.h"
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#include "app/basegamefeature/managers/timemanager.h"
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#include "particles/particlepool.h"
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#include "particles/emitters/particleModelEmitter.h"
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#include "particles/emitters/particleBoxEmitter.h"
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#include "particles/emitters/particleConeEmitter.h"
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#include "particles/emitters/particleSphereSurfaceEmitter.h"
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#include "particles/targets/particlebillboardtarget.h"
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#include "particles/targets/particleRibbonTrailTarget.h"
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#include "particles/targets/particleGPUTarget.h"
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namespace Particles
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{
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__ImplementClass(Particles::ParticleSystem,'PARS', Core::RefCounted)
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const GPtr<ParticleSystem> ParticleSystem::NullParSystem(NULL);
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const Timing::Time ParticleSystem::DefaultFrameTime(1.0/30);
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const Timing::Time ParticleSystem::MinFrameTime(0.000001);
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const float ParticleSystem::MinUpdateTime(0.033f);
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const float ParticleSystem::MaxUpdateTime(0.33f);
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const float ParticleSystem::UpdateFactor(0.5f);
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//------------------------------------------------------------------------
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ParticleSystem::ParticleSystem()
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: mIsActive(false)
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, mIsPreLoop(false)
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, mPlayBackTime(0.0)
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, mTransparency(255)
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, mCurFrameTime(0.0)
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, mFrameIndex(0)
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, mLastUpdateFrameIndex(-1)
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, mName("ParticleSystem")
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, mPlayOnAwake(true)
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, mIsPlaying(true)
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, mIsStop(false)
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, mbStepOne(false)
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, mPreDelay(0.0f)
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, mPlayRateScale(1.0f)
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, mUseExternBB(false)
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, mLiveTime(0.0)
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, mQuota( ConstDefine::DEFAULT_TECHNIQUE_QUOTA )
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, mPoolNeedIncrease(true)
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, mIsMoveWorldCoord(false)
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, mIsLoadEmitterMesh(false)
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, mspf(DefaultFrameTime)
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, mfps(30)
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, mCurrentTimeForFps(0.0f)
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, mLoop(true)
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, mDuration(10.0)
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, mDelayTime(0.0)
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, mNeedUpdate(true)
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, mUpdateUnVis(false)
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, mUpdateTarget(false)
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, mNeedUpdateBox(false)
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, mSort(0)
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{
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#ifdef __GENESIS_EDITOR__ // edtior use
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mCubeEmitter = NULL;
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mConeEmitter = NULL;
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mSphereEmitter = NULL;
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mModelEmitter = NULL;
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mBillBoardTarget = NULL;
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mRibbonTarget = NULL;
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#endif
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}
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//------------------------------------------------------------------------
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ParticleSystem::~ParticleSystem()
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{
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}
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//------------------------------------------------------------------------
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void
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ParticleSystem::Active(void)
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{
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ParticleServer::Instance()->_attachParticleSystem( GPtr<ParticleSystem>(this) );
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mNeedUpdate = true;
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}
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//------------------------------------------------------------------------
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void
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ParticleSystem::DeActive(void)
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{
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ParticleServer::Instance()->_deattachParticleSystem( GPtr<ParticleSystem>(this) );
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}
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//------------------------------------------------------------------------
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void
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ParticleSystem::_onActive()
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{
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n_assert( !mIsActive );
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n_assert( !mPool.isvalid() );
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mPool = ParticlePool::Create();
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_preparePool();
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if(mEmitter)
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{
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mEmitter->_onActivate();
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}
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for ( IndexT index = 0; index < mAffectors.Size(); ++index )
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{
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mAffectors[index]->_onActivate();
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}
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if ( mTarget )
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{
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mTarget->_onActivate();
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}
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mIsActive = true;
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}
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//------------------------------------------------------------------------
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void
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ParticleSystem::_onDeactive()
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{
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n_assert( mIsActive );
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if(mEmitter)
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{
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mEmitter->_onDeactivate();
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}
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for ( IndexT index = 0; index < mAffectors.Size(); ++index )
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{
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mAffectors[index]->_onDeactivate();
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}
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if ( mTarget )
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{
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mTarget->_onDeactivate();
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}
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mPool = NULL;
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mPoolNeedIncrease = true;
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mIsActive = false;
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}
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//------------------------------------------------------------------------
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void
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ParticleSystem::Addtime(Timing::Time t, IndexT frameIndex)
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{
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if (!mIsPlaying)
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t = 0;
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if (mbStepOne)
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{
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t = DefaultFrameTime;
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mMobileTime += t;
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mbStepOne = false;
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}
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else
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{
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t *= mPlayRateScale;
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}
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if ( mEmitter.isvalid() )
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{
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if ( !mLoop && mLiveTime < mDuration && (mLiveTime + t) > mDuration && (mDuration - mLiveTime) > 0.002f )
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{
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t = mDuration - mLiveTime - 1e-9;
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}
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}
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mCurFrameTime = t;
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mFrameIndex = frameIndex;
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}
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//------------------------------------------------------------------------
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void
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ParticleSystem::Update(void)
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{
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if (!mNeedUpdate && !mUpdateUnVis)
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{
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mUpdateTarget = false;
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return;
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}
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mNeedUpdate = false;
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mUpdateTarget = true;
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Timing::Time time = App::GameTime::Instance()->GetFrameTime();
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double curFrame = GameTime::Instance()->GetTime();
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if(mIsPlaying)
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mMobileTime = curFrame;
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Timing::Time total = time;
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//====================================================================================
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//Use bbox size and camera distance to change animation's update rate
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bool bNeedLimitRate = true;
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#ifdef __GENESIS_EDITOR__ // edtior didn`t use
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bNeedLimitRate = false;
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#endif
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if(bNeedLimitRate)
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{
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_fpsControl();
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mCurrentTimeForFps += time;
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if(mCurrentTimeForFps < mspf)
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{
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return;
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}
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total = 0.0f;
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while(mCurrentTimeForFps >= mspf)
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{
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total += mspf;
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mCurrentTimeForFps -= mspf;
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}
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}
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Addtime( total,App::TimeManager::Instance()->GetFrameIndex() );
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if( mIsPlaying && mIsPreLoop && mLiveTime <= MinFrameTime)
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{
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if(mPlayBackTime > 0.0f)
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{
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SetPlayTime(mPlayBackTime);
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}
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else
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{
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float playtime = 2.0f;
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_repeatUpdate(playtime);
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mPreDelay = playtime;
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}
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}
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if ( mLastUpdateFrameIndex != mFrameIndex )
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{
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_techUpdate(mCurFrameTime, mFrameIndex);
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mLastUpdateFrameIndex = mFrameIndex;
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}
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if(mIsPlaying && !mLoop && (GetCurEmitTime() + 0.00001 > mDuration)
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&& mPool->IsEmpty())
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{
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Stop();
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}
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}
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//--------------------------------------------------------------------------------
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bool ParticleSystem::IsDirtyPrim(IndexT nIdx) const
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{
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if(mTarget.isvalid())
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return mTarget->IsDirtyPrim();
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return false;
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}
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//--------------------------------------------------------------------------------
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void ParticleSystem::SetDirtyPrim(IndexT nIdx, bool bset)
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{
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if(mTarget.isvalid())
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mTarget->SetDirtyPrim(bset);
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}
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//--------------------------------------------------------------------------------
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void ParticleSystem::_InitTime()
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{
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// mLiveTime = 0.f;
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mCurFrameTime = 0.f;
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mFrameIndex = 0;
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mLastUpdateFrameIndex = 0;
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}
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//--------------------------------------------------------------------------------
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void ParticleSystem::_repeatUpdate(float time)
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{
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float LiveNextFrameTime = (float)DefaultFrameTime;
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do
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{
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_techUpdate(DefaultFrameTime, mFrameIndex);
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LiveNextFrameTime += (float)DefaultFrameTime;
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} while ( LiveNextFrameTime <= time);
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_techUpdate( time - LiveNextFrameTime + DefaultFrameTime, mFrameIndex);
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}
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void ParticleSystem::_techUpdate(Timing::Time frameTime,IndexT frameIndex )
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{
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mCurFrameTime = frameTime;
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mLiveTime += mCurFrameTime;
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mFrameIndex = frameIndex;
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_preparePool();
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if(mTarget->GetTargetType() == ParticleTarget::GPU ||
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frameTime <= 0.0000001)
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return;
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_emitParticles();
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_preProcessParticles();
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_processParticles();
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}
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//------------------------------------------------------------------------
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void ParticleSystem::Stop()
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{
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mIsPlaying = false;
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mIsStop = true;
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Reset();
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}
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//------------------------------------------------------------------------
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void ParticleSystem::SetPlayTime(Timing::Time timePoint)
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{
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_InitTime();
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if (mIsActive)
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{
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Reset();
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_repeatUpdate((float)timePoint);
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}
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}
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//------------------------------------------------------------------------
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Math::float3
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ParticleSystem::GetDerivedPosition(void)
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{
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Math::float3 sysPos(mWorldMatrix.get_position().x(),
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mWorldMatrix.get_position().y(),
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mWorldMatrix.get_position().z());
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return sysPos;
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}
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//------------------------------------------------------------------------
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Math::float3 ParticleSystem::GetDerivedScale(void)
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{
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Math::float3 sysScale(mWorldMatrix.getrow0().x(),
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mWorldMatrix.getrow1().y(),
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mWorldMatrix.getrow2().z());
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return sysScale;
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}
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//------------------------------------------------------------------------
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Math::quaternion ParticleSystem::GetDerivedRotation(void)
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{
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Math::quaternion quat = Math::matrix44::rotationmatrix(mWorldMatrix);
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return quat;
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}
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//------------------------------------------------------------------------
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void
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ParticleSystem::SetParticleQuota(SizeT quota)
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{
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if ( quota <= 0 )
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{
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n_warning(" ParticleTechnique::SetParticleQuota, should bigger than 0");
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quota = 1;
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}
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if ( quota > ConstDefine::MAX_TECHNIQUE_QUOTA )
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{
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n_warning(" ParticleTechnique::SetParticleQuota, should smaller than %d", ConstDefine::MAX_TECHNIQUE_QUOTA );
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quota = ConstDefine::MAX_TECHNIQUE_QUOTA;
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}
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mQuota = quota;
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mPoolNeedIncrease = true;
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}
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//------------------------------------------------------------------------
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void ParticleSystem::Reset()
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{
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mLiveTime = 0;
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mFrameIndex = 0;
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mCurFrameTime = 0;
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mLastUpdateFrameIndex = -1;
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ParticleSystemDataChanged();
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_resetPool(mQuota);
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}
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//------------------------------------------------------------------------
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void
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ParticleSystem::_emitParticles(void)
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{
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if( (!mIsPreLoop && mLiveTime < mDelayTime) || !mEmitter )
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return;
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if(!mLoop && (mDuration + mDelayTime) < mLiveTime)
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return ;
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SizeT requested = mEmitter->CalculateRequestedParticles(mCurFrameTime);
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_executeEmitParticles( mEmitter, requested );
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}
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//------------------------------------------------------------------------
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void
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ParticleSystem::_executeEmitParticles(ParticleEmitterPtr& emitter, SizeT requested)
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{
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n_assert( mPool.isvalid() );
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n_assert( emitter.isvalid() );
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if ( requested == 0 )
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{
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return;
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}
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for ( IndexT index = 0; index < requested; ++index )
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{
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Particle* particle = mPool->ReleaseParticle();
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if ( !particle )
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{
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return;
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}
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emitter->_emit( particle,(float)GetCurEmitTime());
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_initParticleForEmission(particle);
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}
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}
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//------------------------------------------------------------------------
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void ParticleSystem::_preProcessParticles(void)
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{
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for ( IndexT index = 0; index < mAffectors.Size(); ++index)
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{
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mAffectors[index]->_preProcessParticles();
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}
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}
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//------------------------------------------------------------------------
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void ParticleSystem::_processParticles(void)
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{
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if ( mPool->IsEmpty())
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return;
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Particle* particle = mPool->GetFirst();
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ParticleEmitter* emitter = 0;
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bool firstParticle = true;
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bool firstActiveParticle = true;
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while ( !mPool->End() )
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{
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if (particle)
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{
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if ( !_isExpired(particle, mCurFrameTime) )
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{
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_processAffectors(particle, firstActiveParticle);
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firstActiveParticle = false;
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}
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else
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{
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//add by zhangjitao
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particle->mOrbitPositions.Reset();
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mPool->LockLatestParticle();
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}
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// Decrement time to live
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particle->mTimeToLive -= (Math::scalar)mCurFrameTime;
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particle->mTimeFraction = (particle->mTotalTimeToLive - particle->mTimeToLive)/particle->mTotalTimeToLive;
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}
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firstParticle = false;
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particle = mPool->GetNext();
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}
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}
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//-----------------------------------------------------------------------
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void ParticleSystem::_initParticleForEmission(Particle* particle)
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{
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if ( !mAffectors.IsEmpty() )
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{
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for ( IndexT index = 0; index < mAffectors.Size(); ++index)
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{
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mAffectors[index]->_initParticleForEmission(particle);
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}
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}
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}
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//------------------------------------------------------------------------
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void ParticleSystem::_processAffectors(Particle* particle, bool firstActiveParticle)
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{
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if ( !mAffectors.IsEmpty() )
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{
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for ( IndexT index = 0; index < mAffectors.Size(); ++index)
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{
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mAffectors[index]->_processParticle(particle, firstActiveParticle);
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}
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}
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}
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//------------------------------------------------------------------------
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void ParticleSystem::_postProcessParticles(void)
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{
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if ( (!mUpdateTarget || mPoolNeedIncrease) &&
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mTarget->GetTargetType() != ParticleTarget::GPU )
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{
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return;
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}
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for ( IndexT index = 0; index < mAffectors.Size(); ++index)
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{
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mAffectors[index]->_postProcessParticles();
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}
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if ( mTarget.isvalid() && mPool.isvalid())
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{
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mTarget->_updateTarget( mPool, mCurFrameTime );
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}
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}
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//------------------------------------------------------------------------
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void ParticleSystem::_switchToMoveWorldCoord(bool isWorld)
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{
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if(mIsMoveWorldCoord == isWorld || NULL == mPool)
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return;
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Particle* particle = mPool->GetFirst();
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Math::matrix44 techMat = mWorldMatrix;
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if(!isWorld)
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techMat = Math::matrix44::inverse(techMat);
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while ( particle )
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{
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particle->mPosition = particle->mPosition.transformPoint(techMat);
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particle = mPool->GetNext();
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}
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}
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//------------------------------------------------------------------------
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const ParticleEmitterPtr&
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ParticleSystem::GetEmitter() const
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{
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return mEmitter;
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}
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//------------------------------------------------------------------------
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const ParticleAffectorPtr&
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ParticleSystem::GetAffector(IndexT index) const
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{
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if ( index >=0 && index < mAffectors.Size() )
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{
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return mAffectors[index];
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}
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else
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{
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return ParticleAffector::NullAffector;
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}
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}
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//------------------------------------------------------------------------
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void
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ParticleSystem::AddAffector( const ParticleAffectorPtr& affector, IndexT index)
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{
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if ( !affector.isvalid() )
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{
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return;
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}
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if ( affector->GetParentSystem() != NULL )
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{
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return;
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}
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if (index >= 0)
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mAffectors.Insert( index, affector );
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else
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mAffectors.Append( affector );
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affector->SetParentSystem( this );
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if ( IsActive() )
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{
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affector->_onActivate();
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}
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}
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//------------------------------------------------------------------------
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void
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ParticleSystem::RemoveAffector( IndexT index )
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{
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if ( index >= 0 && index < mAffectors.Size() )
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{
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ParticleAffectorPtr& affector = mAffectors[index];
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n_assert(affector.isvalid());
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if ( affector->IsActive() )
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{
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affector->_onDeactivate();
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}
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affector->SetParentSystem(NULL);
|
|
mAffectors.EraseIndex( index );
|
|
}
|
|
}
|
|
//------------------------------------------------------------------------
|
|
void
|
|
ParticleSystem::RemoveAllAffector(void)
|
|
{
|
|
for ( IndexT index = 0; index < mAffectors.Size(); ++index)
|
|
{
|
|
ParticleAffectorPtr& affector = mAffectors[index];
|
|
n_assert(affector.isvalid());
|
|
if ( affector->IsActive() )
|
|
{
|
|
affector->_onDeactivate();
|
|
}
|
|
affector->SetParentSystem(NULL);
|
|
}
|
|
mAffectors.Clear();
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
void
|
|
ParticleSystem::SetTarget( const ParticleTargetPtr& target)
|
|
{
|
|
if(mTarget.isvalid())
|
|
RemoveTarget();
|
|
if ( target.isvalid() )
|
|
{
|
|
if ( target->GetParentSystem() != NULL )
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ( mTarget.isvalid() )
|
|
{
|
|
if ( mTarget->IsActive() )
|
|
{
|
|
mTarget->_onDeactivate();
|
|
}
|
|
mTarget->SetParentSystem(NULL);
|
|
mTarget = NULL;
|
|
}
|
|
|
|
n_assert( !mTarget.isvalid() );
|
|
mTarget = target;
|
|
|
|
if ( mTarget.isvalid() )
|
|
{
|
|
mTarget->SetParentSystem(this);
|
|
if ( IsActive() )
|
|
{
|
|
mTarget->_onActivate();
|
|
}
|
|
}
|
|
|
|
#ifdef __GENESIS_EDITOR__ // edtior use
|
|
uint emtfourcc = mTarget->GetClassFourCC().AsUInt();
|
|
switch(emtfourcc)
|
|
{
|
|
case CPFCC::TARGET_BILLBOARD:
|
|
if(mBillBoardTarget.isvalid())
|
|
{
|
|
GPtr<ParticleBillBoardTarget> billboardTarget = mTarget.downcast<ParticleBillBoardTarget>();
|
|
billboardTarget->SetBillBoardAlignType(mBillBoardTarget->GetBillBoardAlignType());
|
|
billboardTarget->SetBillBoardType(mBillBoardTarget->GetBillBoardType());
|
|
billboardTarget->SetStretchScale(mBillBoardTarget->GetStretchScale());
|
|
billboardTarget->SetOrientType(mBillBoardTarget->GetOrientType());
|
|
}
|
|
break;
|
|
case CPFCC::TARGET_RIBBONTRAIL:
|
|
if(mRibbonTarget.isvalid())
|
|
{
|
|
GPtr<RibbonTrailTarget> ribbonTarget = mTarget.downcast<RibbonTrailTarget>();
|
|
ribbonTarget->SetTrailLength(mRibbonTarget->GetTrailLength());
|
|
ribbonTarget->SetMaxElements(mRibbonTarget->GetMaxElements());
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
}
|
|
//--------------------------------------------------------------------------------
|
|
void ParticleSystem::RemoveTarget()
|
|
{
|
|
|
|
if( !mTarget.isvalid())
|
|
return;
|
|
#ifdef __GENESIS_EDITOR__ // edtior use
|
|
uint emtfourcc = mTarget->GetClassFourCC().AsUInt();
|
|
switch(emtfourcc)
|
|
{
|
|
case CPFCC::TARGET_BILLBOARD:
|
|
mBillBoardTarget = mTarget.downcast<ParticleBillBoardTarget>();
|
|
break;
|
|
case CPFCC::TARGET_RIBBONTRAIL:
|
|
mRibbonTarget = mTarget.downcast<RibbonTrailTarget>();
|
|
break;
|
|
}
|
|
#endif
|
|
if ( mTarget->IsActive() )
|
|
{
|
|
mTarget->_onDeactivate();
|
|
}
|
|
mTarget->SetParentSystem(NULL);
|
|
mTarget = NULL;
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
void
|
|
ParticleSystem::RemoveEmitter()
|
|
{
|
|
if ( mEmitter )
|
|
{
|
|
#ifdef __GENESIS_EDITOR__ // edtior use
|
|
uint emtfourcc = mEmitter->GetClassFourCC().AsUInt();
|
|
switch(emtfourcc)
|
|
{
|
|
case CPFCC::EMITTER_BOX:
|
|
mCubeEmitter = mEmitter.downcast<BoxEmitter>();
|
|
break;
|
|
case CPFCC::EMITTER_SPHERESURFACE:
|
|
mSphereEmitter = mEmitter.downcast<SphereSurfaceEmitter>();
|
|
break;
|
|
case CPFCC::EMITTER_CONE:
|
|
mConeEmitter = mEmitter.downcast<ConeEmitter>();
|
|
break;
|
|
case CPFCC::EMITTER_MODEL:
|
|
mModelEmitter = mEmitter.downcast<ModelEmitter>();
|
|
break;
|
|
}
|
|
#endif
|
|
n_assert(mEmitter.isvalid());
|
|
if ( mEmitter->IsActive() )
|
|
{
|
|
mEmitter->_onDeactivate();
|
|
}
|
|
mEmitter->SetParentSystem(NULL);
|
|
mEmitter = NULL;
|
|
}
|
|
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
void
|
|
ParticleSystem::SetEmitter( const ParticleEmitterPtr& emitter)
|
|
{
|
|
if ( !emitter.isvalid() )
|
|
{
|
|
return;
|
|
}
|
|
|
|
if ( emitter->GetParentSystem() != NULL )
|
|
{
|
|
return;
|
|
}
|
|
mEmitter = emitter;
|
|
emitter->SetParentSystem( this );
|
|
|
|
if ( IsActive() )
|
|
{
|
|
emitter->_onActivate();
|
|
}
|
|
#ifdef __GENESIS_EDITOR__ // edtior use
|
|
uint emtfourcc = emitter->GetClassFourCC().AsUInt();
|
|
switch(emtfourcc)
|
|
{
|
|
case CPFCC::EMITTER_BOX:
|
|
if(mCubeEmitter.isvalid())
|
|
{
|
|
mEmitter->SetNormalDir(mCubeEmitter->IsNormalDir());
|
|
mEmitter->SetNormalSpeed(mCubeEmitter->GetNormalSpeed());
|
|
mEmitter->SetParticleInitFromType(mCubeEmitter->GetParticleInitFromType());
|
|
emitter->getMinMaxCurve(Emitter_BoxSizeX)->CopyFrom(*mCubeEmitter->getMinMaxCurve(Emitter_BoxSizeX));
|
|
emitter->getMinMaxCurve(Emitter_BoxSizeY)->CopyFrom(*mCubeEmitter->getMinMaxCurve(Emitter_BoxSizeY));
|
|
emitter->getMinMaxCurve(Emitter_BoxSizeZ)->CopyFrom(*mCubeEmitter->getMinMaxCurve(Emitter_BoxSizeZ));
|
|
|
|
}
|
|
break;
|
|
case CPFCC::EMITTER_SPHERESURFACE:
|
|
if(mSphereEmitter.isvalid())
|
|
{
|
|
mEmitter->SetNormalDir(mSphereEmitter->IsNormalDir());
|
|
mEmitter->SetNormalSpeed(mSphereEmitter->GetNormalSpeed());
|
|
mEmitter->SetParticleInitFromType(mSphereEmitter->GetParticleInitFromType());
|
|
emitter->getMinMaxCurve(Emitter_SphereRadius)->CopyFrom(*mSphereEmitter->getMinMaxCurve(Emitter_SphereRadius));
|
|
emitter->getMinMaxCurve(Emitter_SphereHem)->CopyFrom(*mSphereEmitter->getMinMaxCurve(Emitter_SphereHem));
|
|
emitter->getMinMaxCurve(Emitter_SphereSlice)->CopyFrom(*mSphereEmitter->getMinMaxCurve(Emitter_SphereSlice));
|
|
|
|
}
|
|
break;
|
|
case CPFCC::EMITTER_CONE:
|
|
if(mConeEmitter.isvalid())
|
|
{
|
|
mEmitter->SetNormalDir(mConeEmitter->IsNormalDir());
|
|
mEmitter->SetNormalSpeed(mConeEmitter->GetNormalSpeed());
|
|
mEmitter->SetParticleInitFromType(mConeEmitter->GetParticleInitFromType());
|
|
emitter->getMinMaxCurve(Emitter_ConeRadiusInner)->CopyFrom(*mConeEmitter->getMinMaxCurve(Emitter_ConeRadiusInner));
|
|
emitter->getMinMaxCurve(Emitter_ConeRadiusOuter)->CopyFrom(*mConeEmitter->getMinMaxCurve(Emitter_ConeRadiusOuter));
|
|
emitter->getMinMaxCurve(Emitter_ConeHeight)->CopyFrom(*mConeEmitter->getMinMaxCurve(Emitter_ConeHeight));
|
|
emitter->getMinMaxCurve(Emitter_ConeAngle)->CopyFrom(*mConeEmitter->getMinMaxCurve(Emitter_ConeAngle));
|
|
}
|
|
break;
|
|
case CPFCC::EMITTER_MODEL:
|
|
if(mModelEmitter.isvalid())
|
|
{
|
|
mEmitter->SetNormalDir(mModelEmitter->IsNormalDir());
|
|
mEmitter->SetNormalSpeed(mModelEmitter->GetNormalSpeed());
|
|
mEmitter->SetParticleInitFromType(mModelEmitter->GetParticleInitFromType());
|
|
|
|
GPtr<ModelEmitter> modelEmitter = mEmitter.downcast<ModelEmitter>();
|
|
modelEmitter->SetMeshName(mModelEmitter->GetMeshName());
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
|
|
}
|
|
//------------------------------------------------------------------------
|
|
void ParticleSystem::_preparePool(void)
|
|
{
|
|
if ( mPoolNeedIncrease)
|
|
{
|
|
n_assert( mPool.isvalid() );
|
|
mPool->DestroyAllVisualParticles();
|
|
mPool->IncreaseVisualParticlePool( mQuota );
|
|
mPoolNeedIncrease = false;
|
|
}
|
|
}
|
|
//--------------------------------------------------------------------------------
|
|
void ParticleSystem::_resetPool(int nQuota)
|
|
{
|
|
mPool->DestroyAllVisualParticles();
|
|
SetParticleQuota(nQuota);
|
|
}
|
|
//-------------------------------------------------------------------------
|
|
Timing::Time ParticleSystem::GetCurEmitTime()
|
|
{
|
|
double curEmitTime = 0;
|
|
Timing::Time delayTime = mDelayTime;
|
|
|
|
bool isLoop = mLoop;
|
|
|
|
if (mDuration > 0)
|
|
{
|
|
double tmp = mLiveTime - delayTime;
|
|
if (tmp <= 0)
|
|
{
|
|
curEmitTime = 0;
|
|
}
|
|
else
|
|
{
|
|
if (tmp <= mDuration)
|
|
{
|
|
curEmitTime = tmp;
|
|
}
|
|
else
|
|
{
|
|
if (isLoop)
|
|
{
|
|
int tmpInt = (int)(tmp / mDuration);
|
|
curEmitTime = tmp - tmpInt * mDuration;
|
|
}
|
|
else
|
|
{
|
|
curEmitTime = mDuration;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
curEmitTime = 0;
|
|
}
|
|
|
|
return curEmitTime;
|
|
}
|
|
Timing::Time ParticleSystem::GetCorrectTime(void) const
|
|
{
|
|
Timing::Time delayTime = mDelayTime;
|
|
|
|
if (mIsPreLoop)
|
|
{
|
|
delayTime = 0.0f;
|
|
}
|
|
return delayTime;
|
|
}
|
|
void ParticleSystem::SetupGPUParticles(SimpleGPUParticleVertex* particleVertex,int quato)
|
|
{
|
|
float rate = mEmitter->GetGPUParticleRate();
|
|
float life = mEmitter->GetGPUParticleLife();
|
|
mDuration = life;
|
|
float rateFps = 1.0f/rate;
|
|
int totalPar = 0;
|
|
Particle* particle = new Particle();
|
|
float _time = (float)App::GameTime::Instance()->GetTime() + (float)mDelayTime;
|
|
if(mIsPreLoop && mIsPlaying)
|
|
_time -= life;
|
|
Math::Color32 _color;
|
|
while (totalPar < quato)
|
|
{
|
|
mEmitter->_emit(particle,(float)mDuration*totalPar/quato);
|
|
particleVertex[totalPar].mColor = particle->mColor.HexARGB();
|
|
particleVertex[totalPar].mPosition = particle->mPosition;
|
|
particleVertex[totalPar].mSize = particle->mSize.x();
|
|
particleVertex[totalPar].mNormal = particle->mDirection;
|
|
particleVertex[totalPar].mTexCoord.set(_time,particle->mTotalTimeToLive);
|
|
_time += rateFps;
|
|
totalPar ++;
|
|
}
|
|
delete particle;
|
|
}
|
|
void ParticleSystem::ParticleSystemDataChanged()
|
|
{
|
|
if(mTarget->GetTargetType() == ParticleTarget::GPU)
|
|
mTarget->SetNeedPrimitive(true);
|
|
}
|
|
void ParticleSystem::SetShaderParam()
|
|
{
|
|
Graphic::GlobalMaterialParam* pGMP = Graphic::Material::GetGlobalMaterialParams();
|
|
pGMP->SetVectorParam(Graphic::eGShaderParticleTime,Math::float4(0,0,0,(float)mMobileTime));
|
|
for ( IndexT index = 0; index < mAffectors.Size(); ++index)
|
|
{
|
|
mAffectors[index]->SetShaderParam();
|
|
}
|
|
}
|
|
//------------------------------------------------------------------
|
|
void ParticleSystem::_fpsControl()
|
|
{
|
|
Math::bbox box = GetBoundingBox();
|
|
Math::float4 boxSizeVec = box.pmax - box.pmin;
|
|
float boxSize = boxSizeVec.x()*boxSizeVec.x()+boxSizeVec.y()*boxSizeVec.y()+boxSizeVec.z()*boxSizeVec.z();
|
|
|
|
Graphic::Camera* pMainCam = Graphic::GraphicSystem::Instance()->GetSceneDefaultCamera();
|
|
if(pMainCam == NULL)
|
|
return;
|
|
Math::vector cameraLocalPos = pMainCam->GetTransform().get_position() - mWorldMatrix.get_position();
|
|
float dis = cameraLocalPos.x()*cameraLocalPos.x()+cameraLocalPos.y()*cameraLocalPos.y()+cameraLocalPos.z()*cameraLocalPos.z();
|
|
|
|
float zNear = pMainCam->GetCameraSetting().GetZNear();
|
|
float zFar = pMainCam->GetCameraSetting().GetZFar();
|
|
float farWidth = pMainCam->GetCameraSetting().GetFarWidth();
|
|
float farHeight = pMainCam->GetCameraSetting().GetFarHeight();
|
|
float viewSize = dis/((zFar-zNear)*(zFar-zNear))*(farWidth*farWidth + farHeight*farHeight);
|
|
|
|
float updateTime = MinUpdateTime + (MaxUpdateTime-MinUpdateTime)* 0.001f * viewSize/boxSize ;
|
|
updateTime = updateTime>MaxUpdateTime?MaxUpdateTime:updateTime;
|
|
|
|
mspf = updateTime*UpdateFactor;
|
|
mfps = (int)(1.0f/mspf);
|
|
}
|
|
//--------------------------------------------------------------------
|
|
void ParticleSystem::InitShaderParam()
|
|
{
|
|
for ( IndexT index = 0; index < mAffectors.Size(); ++index)
|
|
{
|
|
mAffectors[index]->InitShaderParam();
|
|
}
|
|
}
|
|
//------------------------------------------------------------------
|
|
void ParticleSystem::_switchParticleType(bool _isMobile)
|
|
{
|
|
if(_isMobile)
|
|
{
|
|
GPtr<ParticleGPUTarget> _target = ParticleGPUTarget::Create();
|
|
SetTarget(_target.downcast<ParticleTarget>());
|
|
}
|
|
else
|
|
{
|
|
GPtr<ParticleBillBoardTarget> _target = ParticleBillBoardTarget::Create();
|
|
SetTarget(_target.downcast<ParticleTarget>());
|
|
}
|
|
mEmitter->_switchParticleType(_isMobile);
|
|
for ( IndexT index = 0; index < mAffectors.Size(); ++index)
|
|
{
|
|
mAffectors[index]->_switchParticleType(_isMobile);
|
|
}
|
|
}
|
|
//--------------------------------------------------------------------------------
|
|
void ParticleSystem::SetShaderMask(const GPtr<ShaderProgramCompiler::ShaderMarcro>& pMarcro)
|
|
{
|
|
for ( IndexT index = 0; index < mAffectors.Size(); ++index)
|
|
{
|
|
mAffectors[index]->SetShaderMask(pMarcro);
|
|
}
|
|
}
|
|
}
|
|
|