567 lines
15 KiB
C
567 lines
15 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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#ifndef __particletarget_H__
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#define __particletarget_H__
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#include "particles/particle_fwd_decl.h"
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#include "rendersystem/base/PrimitiveGroup.h"
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#include "foundation/util/scriptbind.h"
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#include "particles/particle.h"
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#include "graphicsystem/GraphicSystem.h"
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#include "graphicsystem/base/GraphicBufferData.h"
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namespace Particles
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{
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struct UVRect
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{
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UVRect() : x(0.0f), y(0.0f), width(0.0f), height(0.0f){
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}
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Math::scalar x;
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Math::scalar y;
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Math::scalar width;
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Math::scalar height;
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};
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class ParticleTarget: public Core::RefCounted, Serialization::ISerialize
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{
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__DeclareClass( ParticleTarget )
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__ScriptBind
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public:
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//--------------------------------------------------------------------------------
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enum OrientType
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{
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OT_NONE = 0,
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OT_DIRECT = 1,
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};
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//------------------------------------------------------------------------
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class Beam_Camera_OP
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{
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public:
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void operator()(
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Particle* particle,
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const Math::float3& derivedPos,
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const Math::float3& lastDerivedPos,
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IndexT index,
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ParticleVertexData* particleVertex,
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ushort* indicies) const
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{
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Math::float3 eyedir = cameraPos - derivedPos;
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eyedir.normalise();
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Math::float3 diffdir = derivedPos - lastDerivedPos;
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diffdir.normalise();
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Math::float3 rightVector = eyedir.crossProduct( diffdir );
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rightVector.normalise();
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rightVector *= parentScale;
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Math::float3 right = rightVector * particle->mSize.x() * 0.5;
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particleVertex[0].mNormal = eyedir;
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particleVertex[1].mPosition = derivedPos - right;
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particleVertex[1].mNormal = eyedir;
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particleVertex[2].mPosition = derivedPos + right;
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particleVertex[2].mNormal = eyedir;
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particleVertex[3].mNormal = eyedir;
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if (index > 1)
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{
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ParticleVertexData* lastVertexIndex = particleVertex-4;
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particleVertex[0].mPosition = lastVertexIndex[1].mPosition;
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particleVertex[3].mPosition = lastVertexIndex[2].mPosition;
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}
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else
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{
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particleVertex[0].mPosition = lastDerivedPos - right;
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particleVertex[3].mPosition = lastDerivedPos + right;
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}
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}
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Math::float3 cameraPos;
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Math::float3 parentScale;
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};
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//------------------------------------------------------------------------
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//------------------------------------------------------------------------
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class Trail_OP
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{
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public:
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void operator()(
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Particle* particle,
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const Math::float3& derivedPos,
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const Math::float3& lastDerivedPos,
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IndexT index,
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ParticleVertexData* particleVertex,
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float amplate,
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float waveLength) const
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{
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Math::float3 diffdir = derivedPos - lastDerivedPos ;
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diffdir.normalise();
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Math::float3 rightVector = sysytemUp.crossProduct( diffdir );
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rightVector.normalise();
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rightVector *= parentScale;
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Math::float3 right = rightVector * particle->mSize.x() * 0.5;
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particleVertex[0].mNormal = sysytemUp;
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particleVertex[1].mPosition = derivedPos - right;
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particleVertex[1].mNormal = sysytemUp;
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particleVertex[2].mPosition = derivedPos + right;
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particleVertex[2].mNormal = sysytemUp;
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particleVertex[3].mNormal = sysytemUp;
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Math::scalar x = 6.28f * index / waveLength;
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Math::scalar upWave = amplate * x * Math::n_sin(x);
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particleVertex[1].mPosition += sysytemUp*upWave;
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particleVertex[2].mPosition += sysytemUp*upWave;
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if (index > 1)
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{
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ParticleVertexData* lastVertexIndex = particleVertex-4;
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particleVertex[0].mPosition = lastVertexIndex[1].mPosition;
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particleVertex[3].mPosition = lastVertexIndex[2].mPosition;
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}
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else
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{
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particleVertex[0].mPosition = lastDerivedPos - right;
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particleVertex[3].mPosition = lastDerivedPos + right;
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}
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}
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Math::float3 sysytemUp;
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Math::float3 parentScale;
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};
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//------------------------------------------------------------------------
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class Camera_OP
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{
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public:
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void operator()(
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Particle* particle,
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const Math::float3& derivedPos,
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const Math::float3& lastDerivedPos,
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ParticleVertexData* particleVertex,
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ushort* indicies) const
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{
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Math::float3 dir = cameraPos - derivedPos ;
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dir.normalise();
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Math::float3 upVec;
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Math::scalar stretch;
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if ( ot == OT_DIRECT)
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{
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upVec = derivedPos-lastDerivedPos;
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stretch = upStretch;
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}
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else
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{
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upVec = upVector;
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stretch = 1.0f;
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}
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upVec.normalise();
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Math::float3 rightVector =upVec.crossProduct( dir );
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rightVector.normalise();
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upVec = upVec * parentScale;
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rightVector = rightVector * parentScale;
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Math::float3 up = upVec * particle->mSize.y() * 0.5 * stretch;
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Math::float3 right = rightVector * particle->mSize.x() * 0.5;
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particleVertex[0].mPosition = derivedPos + up - right;
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particleVertex[0].mNormal = dir;
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particleVertex[1].mPosition = derivedPos - up - right;
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particleVertex[1].mNormal = dir;
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particleVertex[2].mPosition = derivedPos - up + right;
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particleVertex[2].mNormal = dir;
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particleVertex[3].mPosition = derivedPos + up + right;
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particleVertex[3].mNormal = dir;
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}
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OrientType ot;
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Math::scalar upStretch;
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Math::float3 upVector;
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Math::float3 cameraPos;
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Math::float3 parentScale;
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};
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//--------------------------------------------------------------------------------
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class BillBoard_XZ_OP
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{
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public:
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void operator()(
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Particle* particle,
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const Math::float3& derivedPos,
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const Math::float3& lastDerivedPos,
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ParticleVertexData* particleVertex,
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ushort* indicies) const
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{
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Math::float3 xOff(1.0, 0.0, 0.0);
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Math::float3 zOff(0.0, 0.0, 1.0);
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if ( ot == OT_DIRECT)
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{
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Math::float3 dir = derivedPos-lastDerivedPos;
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if (dir.length() > 0.00001F)
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{
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dir.y() = 0.0;
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dir.normalise();
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xOff = dir;
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zOff.x() = -xOff.z();
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zOff.z() = xOff.x();
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}
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}
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xOff *= ( particle->mSize.x() * 0.5f );
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zOff *= ( particle->mSize.y() * 0.5f );
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particleVertex[0].mPosition = derivedPos - xOff + zOff;
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particleVertex[0].mNormal.set(0.0, -1.0, 0.0);
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particleVertex[1].mPosition = derivedPos - xOff - zOff;
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particleVertex[1].mNormal.set(0.0, -1.0, 0.0);
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particleVertex[2].mPosition = derivedPos + xOff - zOff;
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particleVertex[2].mNormal.set(0.0, -1.0, 0.0);
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particleVertex[3].mPosition = derivedPos + xOff + zOff;
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particleVertex[3].mNormal.set(0.0, -1.0, 0.0);
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}
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OrientType ot;
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Math::scalar stretch;
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Math::quaternion parentQuaternion;
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};
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//--------------------------------------------------------------------------------
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public:
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ParticleTarget();
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virtual ~ParticleTarget();
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ParticleSystem* GetParentSystem(void) const;
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void SetParentSystem( ParticleSystem* technique);
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void SetDirtyPrim(bool);
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bool IsDirtyPrim(void) const;
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bool IsActive(void) const;
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enum TargetType
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{
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Unknown,
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BillBoard,
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Beam,
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Box,
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Sphere,
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RibbonTrail,
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Decal,
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Trail,
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Mesh,
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HorizontalPlane,
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GPU,
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};
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virtual TargetType GetTargetType(void) const;
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void SetNeedPrimitive(bool need);
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bool GetNeedPrimitive() const;
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RenderBase::PrimitiveHandle GetPrimitiveHandle() const;
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void CheckPrimitive(SizeT vertexCount, SizeT indexCount, SizeT& verticesSizeInByte, SizeT& indicesSizeInByte);
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//---------------------Property---------------------------------------------------
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void SetName( const Util::String& name);
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const Util::String& GetName(void) const;
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void SetTexCoordSize(SizeT row, SizeT column);
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void SetTexCoordRowSize(SizeT row);
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void SetTexcoordColumnSize(SizeT column);
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SizeT GetTexCoordRowSize(void) const;
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SizeT GetTexCoordColumnSize(void) const;
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///@
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void SetOrientType(OrientType t);
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OrientType GetOrientType(void) const;
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///
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void SetStretchScale(float _scale);
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float GetStretchScale(void) const;
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SizeT GetActiveVertexCount() const;
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SizeT GetActiveIndexCount() const;
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//-----------------------Internal Loop-------------------------------------------------
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virtual void _onActivate(void);
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virtual void _onDeactivate(void);
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virtual void _updateTarget( ParticlePoolPtr& pool, Timing::Time frameTime);
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/**
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*/
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virtual void _RotatorParticle(Particle* particle, ParticleVertexData* particleVertex);
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virtual Math::MinMaxCurve* getMinMaxCurve(ParticleCurveType pct);
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void _initVertexBufferData(Graphic::VertexBufferData2& vbd2, SizeT needCount);
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void _initSimpleGPUVertexBuffer(Graphic::VertexBufferData2& vbd2, SizeT needCount);
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void _initAffectGPUVertexBuffer(Graphic::VertexBufferData2& vbd2, SizeT needCount);
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void _initVertexBufferData(Graphic::IndexBufferData2& ibd2, SizeT needCount);
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protected:
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void restActiveElemCount();
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void generateUVFrames(void);
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const UVRect* getUVRect(IndexT texCoordIndex) const ;
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Math::bbox computerBoundingBox( ParticleVertexData* particleVertex, SizeT numVertex ) const;
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protected:
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ParticleSystem* mParentSystem;
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bool mIsActive;
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Util::String mName;
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SizeT mActiveVertexCount;
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SizeT mActiveIndexCount;
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SizeT mCurrVertexCount;
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SizeT mCurrIndexCount;
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SizeT mTexRowSize;
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SizeT mTexColumnSize;
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Util::Array<UVRect> mUVTexCoords;
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OrientType mOrientType;
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float mStretchScale;
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RenderBase::PrimitiveHandle mPrimitiveHandle;
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bool mPrimDirty;
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bool mNeedPrimitive;
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public:
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// @ISerialization::GetVersion. when change storage, must add SerializeSVersion count
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virtual Serialization::SVersion GetVersion() const;
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// @ISerialization::Load
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virtual void Load( Serialization::SVersion ver, Serialization::SerializeReader* pReader, const Serialization::SerializationArgs* args );
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// @ISerialization::Save
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virtual void Save( Serialization::SerializeWriter* pWriter ) const;
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// copy
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virtual void CopyFrom( const ParticleTargetPtr& target );
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};
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//--------------------------------------------------------------------------------
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inline void ParticleTarget::SetDirtyPrim(bool bset)
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{
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mPrimDirty = bset;
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}
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//--------------------------------------------------------------------------------
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inline bool ParticleTarget::IsDirtyPrim(void) const
|
||
|
|
{
|
||
|
|
return mPrimDirty;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline
|
||
|
|
ParticleSystem*
|
||
|
|
ParticleTarget::GetParentSystem(void) const
|
||
|
|
{
|
||
|
|
return mParentSystem;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline
|
||
|
|
void
|
||
|
|
ParticleTarget::SetParentSystem( ParticleSystem* technique)
|
||
|
|
{
|
||
|
|
mParentSystem = technique;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline
|
||
|
|
bool
|
||
|
|
ParticleTarget::IsActive(void) const
|
||
|
|
{
|
||
|
|
return mIsActive;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline
|
||
|
|
void
|
||
|
|
ParticleTarget::SetTexCoordSize(SizeT row, SizeT column)
|
||
|
|
{
|
||
|
|
mTexRowSize = row;
|
||
|
|
mTexColumnSize = column;
|
||
|
|
if ( mTexRowSize < 1 )
|
||
|
|
{
|
||
|
|
mTexRowSize = 1;
|
||
|
|
}
|
||
|
|
if ( mTexColumnSize < 1 )
|
||
|
|
{
|
||
|
|
mTexColumnSize = 1;
|
||
|
|
}
|
||
|
|
generateUVFrames();
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline
|
||
|
|
void
|
||
|
|
ParticleTarget::SetTexCoordRowSize(SizeT row)
|
||
|
|
{
|
||
|
|
mTexRowSize = row;
|
||
|
|
if ( mTexRowSize < 1 )
|
||
|
|
{
|
||
|
|
mTexRowSize = 1;
|
||
|
|
}
|
||
|
|
generateUVFrames();
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline
|
||
|
|
void
|
||
|
|
ParticleTarget::SetTexcoordColumnSize(SizeT column)
|
||
|
|
{
|
||
|
|
mTexColumnSize = column;
|
||
|
|
if ( mTexColumnSize < 1 )
|
||
|
|
{
|
||
|
|
mTexColumnSize = 1;
|
||
|
|
}
|
||
|
|
generateUVFrames();
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline
|
||
|
|
SizeT
|
||
|
|
ParticleTarget::GetTexCoordRowSize(void) const
|
||
|
|
{
|
||
|
|
return mTexRowSize;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline
|
||
|
|
SizeT
|
||
|
|
ParticleTarget::GetTexCoordColumnSize(void) const
|
||
|
|
{
|
||
|
|
return mTexColumnSize;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline
|
||
|
|
void
|
||
|
|
ParticleTarget::SetName( const Util::String& name)
|
||
|
|
{
|
||
|
|
if ( name.IsEmpty() )
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
mName = name;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline
|
||
|
|
const Util::String&
|
||
|
|
ParticleTarget::GetName(void) const
|
||
|
|
{
|
||
|
|
return mName;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline
|
||
|
|
const UVRect*
|
||
|
|
ParticleTarget::getUVRect(IndexT texCoordIndex) const
|
||
|
|
{
|
||
|
|
n_assert( texCoordIndex >= 0 );
|
||
|
|
if ( mUVTexCoords.IsEmpty() )
|
||
|
|
{
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
return &( mUVTexCoords[ texCoordIndex % mUVTexCoords.Size() ] );
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
inline void ParticleTarget::SetOrientType(ParticleTarget::OrientType t)
|
||
|
|
{
|
||
|
|
mOrientType = t;
|
||
|
|
}
|
||
|
|
//-------------------------------------------------------------------------
|
||
|
|
inline ParticleTarget::OrientType
|
||
|
|
ParticleTarget::GetOrientType(void) const
|
||
|
|
{
|
||
|
|
return mOrientType;
|
||
|
|
}
|
||
|
|
//--------------------------------------------------------------------------------
|
||
|
|
inline void ParticleTarget::SetStretchScale(float _scale)
|
||
|
|
{
|
||
|
|
mStretchScale = _scale;
|
||
|
|
}
|
||
|
|
//--------------------------------------------------------------------------------
|
||
|
|
inline float ParticleTarget::GetStretchScale(void) const
|
||
|
|
{
|
||
|
|
return mStretchScale;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void ParticleTarget::SetNeedPrimitive(bool need)
|
||
|
|
{
|
||
|
|
mNeedPrimitive = need;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool ParticleTarget::GetNeedPrimitive() const
|
||
|
|
{
|
||
|
|
return mNeedPrimitive;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline RenderBase::PrimitiveHandle ParticleTarget::GetPrimitiveHandle() const
|
||
|
|
{
|
||
|
|
return mPrimitiveHandle;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline SizeT ParticleTarget::GetActiveVertexCount() const
|
||
|
|
{
|
||
|
|
return mActiveVertexCount;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline SizeT ParticleTarget::GetActiveIndexCount() const
|
||
|
|
{
|
||
|
|
return mActiveIndexCount;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#endif // __particletarget_H__
|