667 lines
17 KiB
C++
667 lines
17 KiB
C++
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/****************************************************************************
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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/particletechnique.h"
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#include "particles/particlesystem.h"
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namespace Particles
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{
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__ImplementClass(Particles::ParticleTechnique, 'PART', Core::RefCounted)
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GPtr<ParticleTechnique> ParticleTechnique::NullTechnique(NULL);
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//------------------------------------------------------------------------
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ParticleTechnique::ParticleTechnique()
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: mParentSystem(NULL)
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, mName("Technique")
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, mIsActive(false)
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, mUseExternBB(false)
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, mLiveTime(0.0)
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, mCurFrameTime(0.0)
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, mFrameIndex(0)
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, mQuota( ConstDefine::DEFAULT_TECHNIQUE_QUOTA )
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, mPoolNeedIncrease(true)
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, mPosition( ConstDefine::FLOAT3_ZERO )
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, mIsMoveWorldCoord(false)
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, mIsLoadEmitterMesh(false)
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{
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#ifdef __GENESIS_EDITOR__ // edtior use
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mIsSavedInit = false;
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mBoxX.SetScalar(10.0f);
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mBoxY.SetScalar(10.0f);
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mBoxZ.SetScalar(10.0f);
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mSpehereRadius.SetScalar(0.1f);
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mSphereHem.SetScalar(90.0f);
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mSphereSlice.SetScalar(90.0f);
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mConeRadius1.SetScalar(5.0f);
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mConeRadius2.SetScalar(10.0f);
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mConeAngle.SetScalar(30.0f);
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mConeHeight.SetScalar(10.0f);
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#endif
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}
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//------------------------------------------------------------------------
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ParticleTechnique::~ParticleTechnique()
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{
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}
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//------------------------------------------------------------------------
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Math::float3
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ParticleTechnique::GetDerivedPosition(void)
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{
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if (mParentSystem)
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{
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Math::float3 sysPos(mParentSystem->GetWorldMatrix().get_position().x(),
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mParentSystem->GetWorldMatrix().get_position().y(),
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mParentSystem->GetWorldMatrix().get_position().z());
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return sysPos;
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}
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return ConstDefine::FLOAT3_ZERO;
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}
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//------------------------------------------------------------------------
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Math::float3 ParticleTechnique::GetDerivedScale(void)
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{
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if (mParentSystem)
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{
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Math::float3 sysScale(mParentSystem->GetWorldMatrix().getrow0().x(),
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mParentSystem->GetWorldMatrix().getrow1().y(),
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mParentSystem->GetWorldMatrix().getrow2().z());
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return sysScale;
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}
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return Math::float3(1,1,1);
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}
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//------------------------------------------------------------------------
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Math::quaternion ParticleTechnique::GetDerivedRotation(void)
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{
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if (mParentSystem)
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{
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Math::quaternion quat = Math::matrix44::rotationmatrix(mParentSystem->GetWorldMatrix());
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return quat;
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}
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return Math::quaternion::identity();
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}
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//--------------------------------------------------------------------------------
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Math::matrix44 ParticleTechnique::GetParentMatrix() const
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{
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if (mParentSystem)
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{
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return mParentSystem->GetWorldMatrix();
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}
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return Math::matrix44::identity();
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}
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//------------------------------------------------------------------------
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void
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ParticleTechnique::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 ParticleTechnique::_onActivate(void)
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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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for ( IndexT index = 0; index < mEmitters.Size(); ++index )
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{
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mEmitters[index]->_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 ParticleTechnique::_onDeactivate(void)
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{
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n_assert( mIsActive );
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for ( IndexT index = 0; index < mEmitters.Size(); ++index )
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{
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mEmitters[index]->_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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ParticleTechnique::_update( 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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_addTime();
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_emitParticles();
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_preProcessParticles();
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_processParticles();
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_postProcessParticles();
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}
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//------------------------------------------------------------------------
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void
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ParticleTechnique::_preparePool(void)
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{
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if ( mPoolNeedIncrease )
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{
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n_assert( mPool.isvalid() );
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mPool->DestroyAllVisualParticles();
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mPool->IncreaseVisualParticlePool( mQuota );
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mPoolNeedIncrease = false;
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}
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}
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//--------------------------------------------------------------------------------
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void ParticleTechnique::ResetPool(int nQuota)
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{
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mPool->DestroyAllVisualParticles();
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SetParticleQuota(nQuota);
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}
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//------------------------------------------------------------------------
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void
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ParticleTechnique::_addTime()
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{
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}
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//------------------------------------------------------------------------
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void
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ParticleTechnique::_emitParticles(void)
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{
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if ( mEmitters.IsEmpty() )
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{
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return;
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}
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for ( IndexT index = 0; index < mEmitters.Size(); ++index )
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{
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ParticleEmitterPtr& emitter = mEmitters[index];
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}
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}
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//------------------------------------------------------------------------
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void
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ParticleTechnique::_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 ,0);
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_initParticleForEmission(particle);
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}
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}
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//------------------------------------------------------------------------
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void ParticleTechnique::_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 ParticleTechnique::_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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ParticleTechnique* technique = 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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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 ParticleTechnique::_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 ParticleTechnique::_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 ParticleTechnique::_postProcessParticles(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]->_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 ParticleTechnique::_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 = GetParentMatrix();
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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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ParticleTechnique::GetEmitter(IndexT index) const
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{
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if ( index >= 0 && index < mEmitters.Size() )
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{
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return mEmitters[index];
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}
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else
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{
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return ParticleEmitter::NullEmitter;
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}
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}
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//------------------------------------------------------------------------
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IndexT ParticleTechnique::FindEmitter( const ParticleEmitterPtr& emitter ) const
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{
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if ( emitter.isvalid() )
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{
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for ( IndexT i = 0; i < mEmitters.Size(); ++i)
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{
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if ( mEmitters[i] == emitter )
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{
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return i;
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}
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}
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n_error("ParticleTechnique::FindEmitter");
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}
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return InvalidIndex;
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}
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//------------------------------------------------------------------------
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void
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ParticleTechnique::AddEmitter( const ParticleEmitterPtr& emitter, IndexT index)
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{
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if ( !emitter.isvalid() )
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{
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return;
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}
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if (index >= 0)
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mEmitters.Insert( index, emitter );
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else
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mEmitters.Append( emitter );
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if ( IsActive() )
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{
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emitter->_onActivate();
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|
|
}
|
||
|
|
#ifdef __GENESIS_EDITOR__ // edtior use
|
||
|
|
if(!mIsSavedInit)
|
||
|
|
return;
|
||
|
|
uint emtfourcc = emitter->GetClassFourCC().AsUInt();
|
||
|
|
switch(emtfourcc)
|
||
|
|
{
|
||
|
|
case CPFCC::EMITTER_BOX:
|
||
|
|
emitter->getMinMaxCurve(Emitter_BoxSizeX)->CopyFrom(mBoxX);
|
||
|
|
emitter->getMinMaxCurve(Emitter_BoxSizeY)->CopyFrom(mBoxY);
|
||
|
|
emitter->getMinMaxCurve(Emitter_BoxSizeZ)->CopyFrom(mBoxZ);
|
||
|
|
break;
|
||
|
|
case CPFCC::EMITTER_SPHERESURFACE:
|
||
|
|
emitter->getMinMaxCurve(Emitter_SphereRadius)->CopyFrom(mSpehereRadius);
|
||
|
|
emitter->getMinMaxCurve(Emitter_SphereHem)->CopyFrom(mSphereHem);
|
||
|
|
emitter->getMinMaxCurve(Emitter_SphereSlice)->CopyFrom(mSphereSlice);
|
||
|
|
break;
|
||
|
|
case CPFCC::EMITTER_CONE:
|
||
|
|
emitter->getMinMaxCurve(Emitter_ConeRadiusInner)->CopyFrom(mConeRadius1);
|
||
|
|
emitter->getMinMaxCurve(Emitter_ConeRadiusOuter)->CopyFrom(mConeRadius2);
|
||
|
|
emitter->getMinMaxCurve(Emitter_ConeHeight)->CopyFrom(mConeHeight);
|
||
|
|
emitter->getMinMaxCurve(Emitter_ConeAngle)->CopyFrom(mConeAngle);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleTechnique::RemoveEmitter( const ParticleEmitterPtr& emitter )
|
||
|
|
{
|
||
|
|
IndexT findIndex = FindEmitter(emitter);
|
||
|
|
if ( findIndex != InvalidIndex )
|
||
|
|
{
|
||
|
|
RemoveEmitter(findIndex);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleTechnique::RemoveEmitter( IndexT index)
|
||
|
|
{
|
||
|
|
if ( index >= 0 && index < mEmitters.Size() )
|
||
|
|
{
|
||
|
|
ParticleEmitterPtr& emitter = mEmitters[index];
|
||
|
|
#ifdef __GENESIS_EDITOR__ // edtior use
|
||
|
|
mIsSavedInit = true;
|
||
|
|
uint emtfourcc = emitter->GetClassFourCC().AsUInt();
|
||
|
|
switch(emtfourcc)
|
||
|
|
{
|
||
|
|
case CPFCC::EMITTER_BOX:
|
||
|
|
mBoxX.CopyFrom(*emitter->getMinMaxCurve(Emitter_BoxSizeX));
|
||
|
|
mBoxY.CopyFrom(*emitter->getMinMaxCurve(Emitter_BoxSizeY));
|
||
|
|
mBoxZ.CopyFrom(*emitter->getMinMaxCurve(Emitter_BoxSizeZ));
|
||
|
|
break;
|
||
|
|
case CPFCC::EMITTER_SPHERESURFACE:
|
||
|
|
mSpehereRadius.CopyFrom(*emitter->getMinMaxCurve(Emitter_SphereRadius));
|
||
|
|
mSphereHem.CopyFrom(*emitter->getMinMaxCurve(Emitter_SphereHem));
|
||
|
|
mSphereSlice.CopyFrom(*emitter->getMinMaxCurve(Emitter_SphereSlice));
|
||
|
|
break;
|
||
|
|
case CPFCC::EMITTER_CONE:
|
||
|
|
mConeRadius1.CopyFrom(*emitter->getMinMaxCurve(Emitter_ConeRadiusInner));
|
||
|
|
mConeRadius2.CopyFrom(*emitter->getMinMaxCurve(Emitter_ConeRadiusOuter));
|
||
|
|
mConeHeight.CopyFrom(*emitter->getMinMaxCurve(Emitter_ConeHeight));
|
||
|
|
mConeAngle.CopyFrom(*emitter->getMinMaxCurve(Emitter_ConeAngle));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
n_assert(emitter.isvalid());
|
||
|
|
if ( emitter->IsActive() )
|
||
|
|
{
|
||
|
|
emitter->_onDeactivate();
|
||
|
|
}
|
||
|
|
mEmitters.EraseIndex( index );
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleTechnique::RemoveAllEmitter(void)
|
||
|
|
{
|
||
|
|
for ( IndexT index = 0; index < mEmitters.Size(); ++index)
|
||
|
|
{
|
||
|
|
ParticleEmitterPtr& emitter = mEmitters[index];
|
||
|
|
n_assert(emitter.isvalid());
|
||
|
|
if ( emitter->IsActive() )
|
||
|
|
{
|
||
|
|
emitter->_onDeactivate();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
mEmitters.Clear();
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
const ParticleAffectorPtr&
|
||
|
|
ParticleTechnique::GetAffector(IndexT index) const
|
||
|
|
{
|
||
|
|
if ( index >=0 && index < mAffectors.Size() )
|
||
|
|
{
|
||
|
|
return mAffectors[index];
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return ParticleAffector::NullAffector;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//--------------------------------------------------------------------------------
|
||
|
|
const ParticleAffectorPtr& ParticleTechnique::GetAffectorByName( const Core::Rtti& pRtti ) const
|
||
|
|
{
|
||
|
|
for ( IndexT i = 0; i < mAffectors.Size(); ++i)
|
||
|
|
{
|
||
|
|
if ( mAffectors[i]->GetRtti() == &pRtti )
|
||
|
|
{
|
||
|
|
return mAffectors[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return ParticleAffector::NullAffector;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
IndexT
|
||
|
|
ParticleTechnique::FindAffector( const ParticleAffectorPtr& affector ) const
|
||
|
|
{
|
||
|
|
if ( affector.isvalid() )
|
||
|
|
{
|
||
|
|
for ( IndexT i = 0; i < mAffectors.Size(); ++i)
|
||
|
|
{
|
||
|
|
if ( mAffectors[i] == affector )
|
||
|
|
{
|
||
|
|
return i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
n_error("ParticleTechnique::FindAffector");
|
||
|
|
}
|
||
|
|
return InvalidIndex;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleTechnique::AddAffector( const ParticleAffectorPtr& affector, IndexT index)
|
||
|
|
{
|
||
|
|
if ( !affector.isvalid() )
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( affector->GetParentSystem() != NULL )
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (index >= 0)
|
||
|
|
mAffectors.Insert( index, affector );
|
||
|
|
else
|
||
|
|
mAffectors.Append( affector );
|
||
|
|
|
||
|
|
|
||
|
|
if ( IsActive() )
|
||
|
|
{
|
||
|
|
affector->_onActivate();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleTechnique::RemoveAffector( const ParticleAffectorPtr& affector )
|
||
|
|
{
|
||
|
|
IndexT findIndex = FindAffector(affector);
|
||
|
|
if ( findIndex != InvalidIndex )
|
||
|
|
{
|
||
|
|
RemoveAffector(findIndex);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleTechnique::RemoveAffector( IndexT index )
|
||
|
|
{
|
||
|
|
if ( index >= 0 && index < mAffectors.Size() )
|
||
|
|
{
|
||
|
|
ParticleAffectorPtr& affector = mAffectors[index];
|
||
|
|
n_assert(affector.isvalid());
|
||
|
|
if ( affector->IsActive() )
|
||
|
|
{
|
||
|
|
affector->_onDeactivate();
|
||
|
|
}
|
||
|
|
affector->SetParentSystem(NULL);
|
||
|
|
mAffectors.EraseIndex( index );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleTechnique::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
|
||
|
|
ParticleTechnique::SetTarget( const ParticleTargetPtr& target)
|
||
|
|
{
|
||
|
|
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() )
|
||
|
|
{
|
||
|
|
if ( IsActive() )
|
||
|
|
{
|
||
|
|
mTarget->_onActivate();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//--------------------------------------------------------------------------------
|
||
|
|
void ParticleTechnique::RemoveTarget()
|
||
|
|
{
|
||
|
|
|
||
|
|
if( !mTarget.isvalid())
|
||
|
|
return;
|
||
|
|
if ( mTarget->IsActive() )
|
||
|
|
{
|
||
|
|
mTarget->_onDeactivate();
|
||
|
|
}
|
||
|
|
mTarget->SetParentSystem(NULL);
|
||
|
|
mTarget = NULL;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void ParticleTechnique::Reset()
|
||
|
|
{
|
||
|
|
mLiveTime = 0;
|
||
|
|
mFrameIndex = 0;
|
||
|
|
mCurFrameTime = 0;
|
||
|
|
ResetPool(mQuota);
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|