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1482 lines
43 KiB
C++
1482 lines
43 KiB
C++
15 years ago
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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "std3d.h"
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#include "nel/3d/ps_ribbon.h"
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#include "nel/3d/ps_macro.h"
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#include "nel/3d/particle_system.h"
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#include "nel/3d/driver.h"
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#include "nel/3d/ps_util.h"
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#include "nel/3d/texture_mem.h"
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#include "nel/misc/matrix.h"
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namespace NL3D
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{
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static NLMISC::CRGBA GradientB2W[] = {NLMISC::CRGBA(0, 0, 0, 0), NLMISC::CRGBA(255, 255, 255, 255) };
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CPSRibbon::TVBMap CPSRibbon::_VBMaps[16];
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/// private use : this create a gradient texture that goew from black to white
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static ITexture *CreateGradientTexture()
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{
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NL_PS_FUNC(CreateGradientTexture)
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std::auto_ptr<CTextureMem> tex(new CTextureMem((uint8 *) &GradientB2W,
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sizeof(GradientB2W),
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false, /* dont delete */
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false, /* not a file */
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2, 1)
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);
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//tex->setWrapS(ITexture::Clamp);
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tex->setShareName("#GradBW");
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return tex.release();
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}
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///////////////////////////
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// ribbon implementation //
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///////////////////////////
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// predifined shapes
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const NLMISC::CVector CPSRibbon::Triangle[] =
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{
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NLMISC::CVector(0, 1, 0),
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NLMISC::CVector(1, -1, 0),
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NLMISC::CVector(-1, -1, 0),
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};
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const NLMISC::CVector CPSRibbon::Losange[] =
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{
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NLMISC::CVector(0, 1.f, 0),
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NLMISC::CVector(1.f, 0, 0),
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NLMISC::CVector(0, -1.f, 0),
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NLMISC::CVector(-1.f, 0, 0)
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};
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const NLMISC::CVector CPSRibbon::HeightSides[] =
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{
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NLMISC::CVector(-0.5f, 1, 0),
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NLMISC::CVector(0.5f, 1, 0),
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NLMISC::CVector(1, 0.5f, 0),
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NLMISC::CVector(1, -0.5f, 0),
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NLMISC::CVector(0.5f, -1, 0),
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NLMISC::CVector(-0.5f, -1, 0),
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NLMISC::CVector(-1, -0.5f, 0),
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NLMISC::CVector(-1, 0.5f, 0)
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};
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const NLMISC::CVector CPSRibbon::Pentagram[] =
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{
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NLMISC::CVector(0, 1, 0),
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NLMISC::CVector(1, -1, 0),
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NLMISC::CVector(-1, 0, 0),
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NLMISC::CVector(1, 0, 0),
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NLMISC::CVector(-1, -1, 0)
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};
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const NLMISC::CVector CPSRibbon::SimpleSegmentX[] =
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{
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NLMISC::CVector(1, 0, 0),
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NLMISC::CVector(-1, 0, 0),
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};
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const uint CPSRibbon::NbVerticesInSimpleSegmentX = sizeof(CPSRibbon::SimpleSegmentX) / sizeof(CVector);
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const NLMISC::CVector CPSRibbon::SimpleSegmentY[] =
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{
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NLMISC::CVector(0, 1, 0),
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NLMISC::CVector(0, -1, 0),
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};
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const uint CPSRibbon::NbVerticesInSimpleSegmentY = sizeof(CPSRibbon::SimpleSegmentY) / sizeof(CVector);
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const NLMISC::CVector CPSRibbon::SimpleSegmentZ[] =
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{
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NLMISC::CVector(0, 0, 1),
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NLMISC::CVector(0, 0, -1),
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};
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const uint CPSRibbon::NbVerticesInSimpleSegmentZ = sizeof(CPSRibbon::SimpleSegmentZ) / sizeof(CVector);
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const NLMISC::CVector CPSRibbon::SimpleBrace[] =
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{
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NLMISC::CVector(1, 0, 0),
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NLMISC::CVector(-1, 0, 0),
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NLMISC::CVector(0, 1, 0),
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NLMISC::CVector(0, -1, 0)
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};
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const uint CPSRibbon::NbVerticesInSimpleBrace = sizeof(CPSRibbon::SimpleBrace) / sizeof(CVector);
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const uint CPSRibbon::NbVerticesInTriangle = sizeof(CPSRibbon::Triangle) / sizeof(CVector);
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const uint CPSRibbon::NbVerticesInLosange = sizeof(Losange) / sizeof(CVector);
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const uint CPSRibbon::NbVerticesInHeightSide = sizeof(CPSRibbon::HeightSides) / sizeof(CVector);
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const uint CPSRibbon::NbVerticesInPentagram = sizeof(CPSRibbon::Pentagram) / sizeof(CVector);
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struct CDummy2DAngle : CPSRotated2DParticle
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{
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CPSLocated *getAngle2DOwner(void) { return NULL; }
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};
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///==================================================================================================================
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void CPSRibbon::serial(NLMISC::IStream &f) throw(NLMISC::EStream)
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{
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NL_PS_FUNC(CPSRibbon_serial)
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// Version 3 : - added brace mode
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// - added orientation enum
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sint ver = f.serialVersion(3);
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if (ver == 1)
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{
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nlassert(f.isReading());
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/// we had CPSParticle::serial(f), but this is not the base class anymore, so we emulate this...
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/// version 2 : auto-lod saved
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sint ver2 = f.serialVersion(2);
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// here is CPSLocatedBindable::serial(f)
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sint ver3 = f.serialVersion(4);
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f.serialPtr(_Owner);
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if (ver3 > 1) f.serialEnum(_LOD);
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if (ver3 > 2) f.serial(_Name);
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if (ver3 > 3)
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{
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if (f.isReading())
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{
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uint32 id;
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f.serial(id);
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setExternID(id);
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}
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else
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{
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f.serial(_ExternID);
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}
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}
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if (ver2 >= 2)
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{
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bool bDisableAutoLOD;
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f.serial(bDisableAutoLOD);
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disableAutoLOD(bDisableAutoLOD);
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}
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uint32 tailNbSegs;
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bool colorFading;
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bool systemBasisEnabled;
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bool drEnabled; // dying ribbons, not supported in this version
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CPSColoredParticle::serialColorScheme(f);
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CPSSizedParticle::serialSizeScheme(f);
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// we dont use the 2d angle anymore...serial a dummy one
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{
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CDummy2DAngle _Dummy2DAngle;
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_Dummy2DAngle.serialAngle2DScheme(f);
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}
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f.serial(colorFading, systemBasisEnabled);
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serialMaterial(f);
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f.serial(drEnabled);
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f.serial(tailNbSegs);
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ITexture *tex = NULL;
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f.serialPolyPtr(tex);
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_Tex = tex;
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if (_Tex != NULL)
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{
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f.serial(_UFactor, _VFactor) ;
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}
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// shape serialization
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f.serialCont(_Shape);
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_NbSegs = tailNbSegs >> 1;
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if (_NbSegs < 1) _NbSegs = 2;
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setInterpolationMode(Linear);
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nlassert(_Owner);
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resize(_Owner->getMaxSize());
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initDateVect();
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resetFromOwner();
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}
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if (ver >= 2)
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{
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CPSRibbonBase::serial(f);
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CPSColoredParticle::serialColorScheme(f);
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CPSSizedParticle::serialSizeScheme(f);
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CPSMaterial::serialMaterial(f);
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f.serialCont(_Shape);
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bool colorFading = _ColorFading;
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f.serial(colorFading);
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_ColorFading = colorFading;
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uint32 tailNbSegs = _NbSegs;
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f.serial(tailNbSegs);
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if (f.isReading())
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{
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setTailNbSeg(_NbSegs);
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touch();
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}
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ITexture *tex = _Tex;
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f.serialPolyPtr(tex);
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_Tex = tex;
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if (_Tex != NULL)
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{
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f.serial(_UFactor, _VFactor) ;
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}
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}
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if (ver >= 3)
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{
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bool braceMode = _BraceMode;
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f.serial(braceMode);
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_BraceMode = braceMode;
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f.serialEnum(_Orientation);
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}
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if (f.isReading())
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{
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touch();
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}
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}
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//=======================================================
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CPSRibbon::CPSRibbon() : _UFactor(1.f),
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_VFactor(1.f),
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_Orientation(FollowPath),
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_BraceMode(true),
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_ColorFading(true),
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_GlobalColor(false),
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_Lighted(false),
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_ForceLighted(false),
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_Touch(true)
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{
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NL_PS_FUNC(CPSRibbon_CPSRibbon)
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setInterpolationMode(Linear);
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setSegDuration(0.06f);
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if (CParticleSystem::getSerializeIdentifierFlag()) _Name = std::string("Ribbon");
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setShape(Triangle, NbVerticesInTriangle);
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_Mat.setDoubleSided(true);
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}
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//=======================================================
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CPSRibbon::~CPSRibbon()
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{
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NL_PS_FUNC(CPSRibbon_CPSRibbonDtor)
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}
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//==========================================================================
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inline uint CPSRibbon::getNumVerticesInSlice() const
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{
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NL_PS_FUNC(CPSRibbon_getNumVerticesInSlice)
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if (_BraceMode)
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{
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return _Shape.size();
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}
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else
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{
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return _Shape.size() + (_Tex == NULL ? 0 : 1);
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}
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}
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//=======================================================
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void CPSRibbon::step(TPSProcessPass pass)
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{
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NL_PS_FUNC(CPSRibbon_step)
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if (pass == PSMotion)
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{
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if (!_Parametric)
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{
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updateGlobals();
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}
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}
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else
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if (
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(pass == PSBlendRender && hasTransparentFaces())
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|| (pass == PSSolidRender && hasOpaqueFaces())
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)
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{
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uint32 step;
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uint numToProcess;
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computeSrcStep(step, numToProcess);
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if (!numToProcess) return;
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/// update the material color
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CParticleSystem &ps = *(_Owner->getOwner());
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if (ps.getForceGlobalColorLightingFlag() || usesGlobalColorLighting())
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{
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_Mat.setColor(ps.getGlobalColorLighted());
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}
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else
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{
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_Mat.setColor(ps.getGlobalColor());
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}
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/** We support Auto-LOD for ribbons, although there is a built-in LOD (that change the geometry rather than the number of ribbons)
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* that gives better result (both can be used simultaneously)
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*/
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displayRibbons(numToProcess, step);
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}
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else
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if (pass == PSToolRender) // edition mode only
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||
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{
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//showTool();
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}
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||
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}
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||
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//=======================================================
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void CPSRibbon::newElement(const CPSEmitterInfo &info)
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{
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NL_PS_FUNC(CPSRibbon_newElement)
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CPSRibbonBase::newElement(info);
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newColorElement(info);
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newSizeElement(info);
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}
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//=======================================================
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void CPSRibbon::deleteElement(uint32 index)
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{
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NL_PS_FUNC(CPSRibbon_deleteElement)
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CPSRibbonBase::deleteElement(index);
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deleteColorElement(index);
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deleteSizeElement(index);
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}
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||
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||
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//=======================================================
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||
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void CPSRibbon::resize(uint32 size)
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||
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{
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||
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NL_PS_FUNC(CPSRibbon_resize)
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||
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nlassert(size < (1 << 16));
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||
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CPSRibbonBase::resize(size);
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||
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resizeColor(size);
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resizeSize(size);
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||
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}
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||
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||
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//=======================================================
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||
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void CPSRibbon::updateMatAndVbForColor(void)
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||
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{
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||
|
|
NL_PS_FUNC(CPSRibbon_updateMatAndVbForColor)
|
||
|
|
touch();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
///=========================================================================
|
||
|
|
// Create the start slice of a ribbon (all vertices at the same pos)
|
||
|
|
static inline uint8 *BuildRibbonFirstSlice(const NLMISC::CVector &pos,
|
||
|
|
uint numVerts,
|
||
|
|
uint8 *dest,
|
||
|
|
uint vertexSize
|
||
|
|
)
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(BuildRibbonFirstSlice)
|
||
|
|
do
|
||
|
|
{
|
||
|
|
* (NLMISC::CVector *) dest = pos;
|
||
|
|
dest += vertexSize;
|
||
|
|
}
|
||
|
|
while (--numVerts);
|
||
|
|
return dest;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
///=========================================================================
|
||
|
|
// This compute one slice of a ribbon, and return the next vertex to be filled
|
||
|
|
static inline uint8 *ComputeRibbonSliceFollowPath(const NLMISC::CVector &prev,
|
||
|
|
const NLMISC::CVector &next,
|
||
|
|
const NLMISC::CVector *shape,
|
||
|
|
uint numVerts,
|
||
|
|
uint8 *dest,
|
||
|
|
uint vertexSize,
|
||
|
|
float size,
|
||
|
|
NLMISC::CMatrix &basis
|
||
|
|
)
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(ComputeRibbonSliceFollowPath)
|
||
|
|
// compute a basis from the next and previous position.
|
||
|
|
// (not optimized for now, but not widely used, either...)
|
||
|
|
const float epsilon = 10E-5f;
|
||
|
|
if (fabsf(next.x - prev.x) > epsilon
|
||
|
|
|| fabsf(next.y - prev.y) > epsilon
|
||
|
|
|| fabsf(next.z - prev.z) > epsilon)
|
||
|
|
{
|
||
|
|
// build a new basis, or use the previous one otherwise
|
||
|
|
CPSUtil::buildSchmidtBasis(next - prev, basis);
|
||
|
|
}
|
||
|
|
basis.setPos(next);
|
||
|
|
|
||
|
|
const NLMISC::CVector *shapeEnd = shape + numVerts;
|
||
|
|
do
|
||
|
|
{
|
||
|
|
*(NLMISC::CVector *) dest = basis * (size * (*shape));
|
||
|
|
++shape;
|
||
|
|
dest += vertexSize;
|
||
|
|
}
|
||
|
|
while (shape != shapeEnd);
|
||
|
|
return dest;
|
||
|
|
}
|
||
|
|
|
||
|
|
///=========================================================================
|
||
|
|
// This compute one slice of a ribbon, and return the next vertex to be filled
|
||
|
|
static inline uint8 *ComputeRibbonSliceIdentity(const NLMISC::CVector &prev,
|
||
|
|
const NLMISC::CVector &next,
|
||
|
|
const NLMISC::CVector *shape,
|
||
|
|
uint numVerts,
|
||
|
|
uint8 *dest,
|
||
|
|
uint vertexSize,
|
||
|
|
float size
|
||
|
|
)
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(ComputeRibbonSliceIdentity)
|
||
|
|
const NLMISC::CVector *shapeEnd = shape + numVerts;
|
||
|
|
do
|
||
|
|
{
|
||
|
|
((NLMISC::CVector *) dest)->set(size * shape->x + next.x,
|
||
|
|
size * shape->y + next.y,
|
||
|
|
size * shape->z + next.z);
|
||
|
|
++shape;
|
||
|
|
dest += vertexSize;
|
||
|
|
}
|
||
|
|
while (shape != shapeEnd);
|
||
|
|
return dest;
|
||
|
|
}
|
||
|
|
|
||
|
|
///=========================================================================
|
||
|
|
static inline uint8 *ComputeRibbonSliceFollowPathXY(const NLMISC::CVector &prev,
|
||
|
|
const NLMISC::CVector &next,
|
||
|
|
const NLMISC::CVector *shape,
|
||
|
|
uint numVerts,
|
||
|
|
uint8 *dest,
|
||
|
|
uint vertexSize,
|
||
|
|
float size,
|
||
|
|
NLMISC::CMatrix &basis
|
||
|
|
)
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(ComputeRibbonSliceFollowPathXY)
|
||
|
|
float deltaX = next.x - prev.x;
|
||
|
|
float deltaY = next.y - prev.y;
|
||
|
|
const float epsilon = 10E-5f;
|
||
|
|
if (fabsf(deltaX) > epsilon
|
||
|
|
|| fabsf(deltaY) > epsilon)
|
||
|
|
{
|
||
|
|
float norm = sqrtf(NLMISC::sqr(deltaX) + NLMISC::sqr(deltaY));
|
||
|
|
float invNorm = (norm != 0.f) ? 1.f / norm : 0.f;
|
||
|
|
NLMISC::CVector I, J;
|
||
|
|
J.set(deltaX * invNorm, deltaY * invNorm, 0.f);
|
||
|
|
I.set(-J.y, J.x, 0.f);
|
||
|
|
basis.setRot(I, CVector::K, J, true);
|
||
|
|
}
|
||
|
|
basis.setPos(next);
|
||
|
|
const NLMISC::CVector *shapeEnd = shape + numVerts;
|
||
|
|
do
|
||
|
|
{
|
||
|
|
*(NLMISC::CVector *) dest = basis * (size * (*shape));
|
||
|
|
++shape;
|
||
|
|
dest += vertexSize;
|
||
|
|
}
|
||
|
|
while (shape != shapeEnd);
|
||
|
|
return dest;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
///=========================================================================
|
||
|
|
// This is used to compute a ribbon mesh from its curve and its base shape.
|
||
|
|
// This is for untextured versions (no need to duplicate the last vertex of each slice)
|
||
|
|
static inline uint8 *ComputeUntexturedRibbonMesh(uint8 *destVb,
|
||
|
|
uint vertexSize,
|
||
|
|
const NLMISC::CVector *curve,
|
||
|
|
const NLMISC::CVector *shape,
|
||
|
|
uint numSegs,
|
||
|
|
uint numVerticesInShape,
|
||
|
|
float sizeIncrement,
|
||
|
|
float size,
|
||
|
|
CPSRibbon::TOrientation orientation
|
||
|
|
)
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(ComputeUntexturedRibbonMesh)
|
||
|
|
CMatrix basis;
|
||
|
|
basis.scale(0);
|
||
|
|
switch(orientation)
|
||
|
|
{
|
||
|
|
case CPSRibbon::FollowPath:
|
||
|
|
do
|
||
|
|
{
|
||
|
|
destVb = ComputeRibbonSliceFollowPath(curve[1],
|
||
|
|
curve[0],
|
||
|
|
shape,
|
||
|
|
numVerticesInShape,
|
||
|
|
destVb,
|
||
|
|
vertexSize,
|
||
|
|
size,
|
||
|
|
basis);
|
||
|
|
++ curve;
|
||
|
|
size -= sizeIncrement;
|
||
|
|
}
|
||
|
|
while (--numSegs);
|
||
|
|
break;
|
||
|
|
case CPSRibbon::FollowPathXY:
|
||
|
|
do
|
||
|
|
{
|
||
|
|
destVb = ComputeRibbonSliceFollowPathXY(curve[1],
|
||
|
|
curve[0],
|
||
|
|
shape,
|
||
|
|
numVerticesInShape,
|
||
|
|
destVb,
|
||
|
|
vertexSize,
|
||
|
|
size,
|
||
|
|
basis);
|
||
|
|
++ curve;
|
||
|
|
size -= sizeIncrement;
|
||
|
|
}
|
||
|
|
while (--numSegs);
|
||
|
|
break;
|
||
|
|
case CPSRibbon::Identity:
|
||
|
|
do
|
||
|
|
{
|
||
|
|
destVb = ComputeRibbonSliceIdentity(curve[1],
|
||
|
|
curve[0],
|
||
|
|
shape,
|
||
|
|
numVerticesInShape,
|
||
|
|
destVb,
|
||
|
|
vertexSize,
|
||
|
|
size
|
||
|
|
);
|
||
|
|
++ curve;
|
||
|
|
size -= sizeIncrement;
|
||
|
|
}
|
||
|
|
while (--numSegs);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
nlassert(0);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return BuildRibbonFirstSlice(curve[0], numVerticesInShape, destVb, vertexSize);
|
||
|
|
}
|
||
|
|
|
||
|
|
///=========================================================================
|
||
|
|
// This is used to compute a ribbon mesh from its curve and its base shape.
|
||
|
|
// (Textured Version)
|
||
|
|
static inline uint8 *ComputeTexturedRibbonMesh(uint8 *destVb,
|
||
|
|
uint vertexSize,
|
||
|
|
const NLMISC::CVector *curve,
|
||
|
|
const NLMISC::CVector *shape,
|
||
|
|
uint numSegs,
|
||
|
|
uint numVerticesInShape,
|
||
|
|
float sizeIncrement,
|
||
|
|
float size,
|
||
|
|
CPSRibbon::TOrientation orientation
|
||
|
|
)
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(ComputeTexturedRibbonMesh)
|
||
|
|
CMatrix basis;
|
||
|
|
basis.scale(0);
|
||
|
|
switch(orientation)
|
||
|
|
{
|
||
|
|
case CPSRibbon::FollowPath:
|
||
|
|
do
|
||
|
|
{
|
||
|
|
uint8 *nextDestVb = ComputeRibbonSliceFollowPath(curve[1],
|
||
|
|
curve[0],
|
||
|
|
shape,
|
||
|
|
numVerticesInShape,
|
||
|
|
destVb,
|
||
|
|
vertexSize,
|
||
|
|
size,
|
||
|
|
basis
|
||
|
|
);
|
||
|
|
// duplicate last vertex ( equal first)
|
||
|
|
* (NLMISC::CVector *) nextDestVb = * (NLMISC::CVector *) destVb;
|
||
|
|
destVb = nextDestVb + vertexSize;
|
||
|
|
//
|
||
|
|
++ curve;
|
||
|
|
size -= sizeIncrement;
|
||
|
|
}
|
||
|
|
while (--numSegs);
|
||
|
|
break;
|
||
|
|
case CPSRibbon::FollowPathXY:
|
||
|
|
do
|
||
|
|
{
|
||
|
|
uint8 *nextDestVb = ComputeRibbonSliceFollowPathXY(curve[1],
|
||
|
|
curve[0],
|
||
|
|
shape,
|
||
|
|
numVerticesInShape,
|
||
|
|
destVb,
|
||
|
|
vertexSize,
|
||
|
|
size,
|
||
|
|
basis
|
||
|
|
);
|
||
|
|
// duplicate last vertex ( equal first)
|
||
|
|
* (NLMISC::CVector *) nextDestVb = * (NLMISC::CVector *) destVb;
|
||
|
|
destVb = nextDestVb + vertexSize;
|
||
|
|
//
|
||
|
|
++ curve;
|
||
|
|
size -= sizeIncrement;
|
||
|
|
}
|
||
|
|
while (--numSegs);
|
||
|
|
break;
|
||
|
|
case CPSRibbon::Identity:
|
||
|
|
do
|
||
|
|
{
|
||
|
|
uint8 *nextDestVb = ComputeRibbonSliceIdentity(curve[1],
|
||
|
|
curve[0],
|
||
|
|
shape,
|
||
|
|
numVerticesInShape,
|
||
|
|
destVb,
|
||
|
|
vertexSize,
|
||
|
|
size
|
||
|
|
);
|
||
|
|
// duplicate last vertex ( equal first)
|
||
|
|
* (NLMISC::CVector *) nextDestVb = * (NLMISC::CVector *) destVb;
|
||
|
|
destVb = nextDestVb + vertexSize;
|
||
|
|
//
|
||
|
|
++ curve;
|
||
|
|
size -= sizeIncrement;
|
||
|
|
}
|
||
|
|
while (--numSegs);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
nlassert(0);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return BuildRibbonFirstSlice(curve[0], numVerticesInShape + 1, destVb, vertexSize);
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
void CPSRibbon::displayRibbons(uint32 nbRibbons, uint32 srcStep)
|
||
|
|
{
|
||
|
|
// if (!FilterPS[5]) return;
|
||
|
|
NL_PS_FUNC(CPSRibbon_displayRibbons)
|
||
|
|
if (!nbRibbons) return;
|
||
|
|
nlassert(_Owner);
|
||
|
|
CPSRibbonBase::updateLOD();
|
||
|
|
if (_UsedNbSegs < 2) return;
|
||
|
|
const float date = _Owner->getOwner()->getSystemDate();
|
||
|
|
uint8 *currVert;
|
||
|
|
CVBnPB &VBnPB = getVBnPB(); // get the appropriate vb (built it if needed)
|
||
|
|
CVertexBuffer &VB = VBnPB.VB;
|
||
|
|
CIndexBuffer &PB = VBnPB.PB;
|
||
|
|
const uint32 vertexSize = VB.getVertexSize();
|
||
|
|
uint colorOffset=0;
|
||
|
|
|
||
|
|
IDriver *drv = this->getDriver();
|
||
|
|
#ifdef NL_DEBUG
|
||
|
|
nlassert(drv);
|
||
|
|
#endif
|
||
|
|
drv->setupModelMatrix(getLocalToWorldTrailMatrix());
|
||
|
|
_Owner->incrementNbDrawnParticles(nbRibbons); // for benchmark purpose
|
||
|
|
const uint numRibbonBatch = getNumRibbonsInVB(); // number of ribons to process at once
|
||
|
|
if (_UsedNbSegs == 0) return;
|
||
|
|
////////////////////
|
||
|
|
// Material setup //
|
||
|
|
////////////////////
|
||
|
|
CParticleSystem &ps = *(_Owner->getOwner());
|
||
|
|
bool useGlobalColor = ps.getColorAttenuationScheme() != NULL || ps.isUserColorUsed();
|
||
|
|
if (useGlobalColor != _GlobalColor)
|
||
|
|
{
|
||
|
|
_GlobalColor = useGlobalColor;
|
||
|
|
touch();
|
||
|
|
}
|
||
|
|
if (usesGlobalColorLighting() != _Lighted)
|
||
|
|
{
|
||
|
|
_Lighted = usesGlobalColorLighting();
|
||
|
|
touch();
|
||
|
|
}
|
||
|
|
if (ps.getForceGlobalColorLightingFlag() != _ForceLighted)
|
||
|
|
{
|
||
|
|
_ForceLighted = ps.getForceGlobalColorLightingFlag();
|
||
|
|
touch();
|
||
|
|
}
|
||
|
|
updateMaterial();
|
||
|
|
setupGlobalColor();
|
||
|
|
//
|
||
|
|
if (_ColorScheme)
|
||
|
|
{
|
||
|
|
colorOffset = VB.getColorOff();
|
||
|
|
}
|
||
|
|
/////////////////////
|
||
|
|
// Compute ribbons //
|
||
|
|
/////////////////////
|
||
|
|
const uint numVerticesInSlice = getNumVerticesInSlice();
|
||
|
|
const uint numVerticesInShape = _Shape.size();
|
||
|
|
//
|
||
|
|
static std::vector<float> sizes;
|
||
|
|
static std::vector<NLMISC::CVector> ribbonPos; // this is where the position of each ribbon slice center i stored
|
||
|
|
ribbonPos.resize(_UsedNbSegs + 1); // make sure we have enough room
|
||
|
|
sizes.resize(numRibbonBatch);
|
||
|
|
|
||
|
|
//
|
||
|
|
uint toProcess;
|
||
|
|
uint ribbonIndex = 0; // index of the first ribbon in the batch being processed
|
||
|
|
uint32 fpRibbonIndex = 0; // fixed point index in source
|
||
|
|
if (_ColorScheme)
|
||
|
|
{
|
||
|
|
_ColorScheme->setColorType(drv->getVertexColorFormat());
|
||
|
|
}
|
||
|
|
do
|
||
|
|
{
|
||
|
|
toProcess = std::min((uint) (nbRibbons - ribbonIndex) , numRibbonBatch);
|
||
|
|
VB.setNumVertices((_UsedNbSegs + 1) * toProcess * numVerticesInSlice);
|
||
|
|
{
|
||
|
|
CVertexBufferReadWrite vba;
|
||
|
|
VB.lock(vba);
|
||
|
|
currVert = (uint8 *) vba.getVertexCoordPointer();
|
||
|
|
/// setup sizes
|
||
|
|
const float *ptCurrSize;
|
||
|
|
uint32 ptCurrSizeIncrement;
|
||
|
|
if (_SizeScheme)
|
||
|
|
{
|
||
|
|
ptCurrSize = (float *) _SizeScheme->make(this->_Owner, ribbonIndex, &sizes[0], sizeof(float), toProcess, true, srcStep);
|
||
|
|
ptCurrSizeIncrement = 1;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ptCurrSize = &_ParticleSize;
|
||
|
|
ptCurrSizeIncrement = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// compute colors
|
||
|
|
if (_ColorScheme)
|
||
|
|
{
|
||
|
|
_ColorScheme->makeN(this->_Owner, ribbonIndex, currVert + colorOffset, vertexSize, toProcess, numVerticesInSlice * (_UsedNbSegs + 1), srcStep);
|
||
|
|
}
|
||
|
|
uint k = toProcess;
|
||
|
|
//////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
// interpolate and project points the result is directly setup in the vertex buffer //
|
||
|
|
//////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
if (!_Parametric)
|
||
|
|
{
|
||
|
|
//////////////////////
|
||
|
|
// INCREMENTAL CASE //
|
||
|
|
//////////////////////
|
||
|
|
if (_Tex != NULL && !_BraceMode) // textured case : must duplicate last vertex, unless in brace mod
|
||
|
|
{
|
||
|
|
do
|
||
|
|
{
|
||
|
|
const float ribbonSizeIncrement = *ptCurrSize / (float) _UsedNbSegs;
|
||
|
|
ptCurrSize += ptCurrSizeIncrement;
|
||
|
|
// the parent class has a method to get the ribbons positions
|
||
|
|
computeRibbon((uint) (fpRibbonIndex >> 16), &ribbonPos[0], sizeof(NLMISC::CVector));
|
||
|
|
currVert = ComputeTexturedRibbonMesh(currVert,
|
||
|
|
vertexSize,
|
||
|
|
&ribbonPos[0],
|
||
|
|
&_Shape[0],
|
||
|
|
_UsedNbSegs,
|
||
|
|
numVerticesInShape,
|
||
|
|
ribbonSizeIncrement,
|
||
|
|
*ptCurrSize,
|
||
|
|
_Orientation
|
||
|
|
);
|
||
|
|
fpRibbonIndex += srcStep;
|
||
|
|
}
|
||
|
|
while (--k);
|
||
|
|
}
|
||
|
|
else // untextured case
|
||
|
|
{
|
||
|
|
do
|
||
|
|
{
|
||
|
|
const float ribbonSizeIncrement = *ptCurrSize / (float) _UsedNbSegs;
|
||
|
|
ptCurrSize += ptCurrSizeIncrement;
|
||
|
|
// the parent class has a method to get the ribbons positions
|
||
|
|
computeRibbon((uint) (fpRibbonIndex >> 16), &ribbonPos[0], sizeof(NLMISC::CVector));
|
||
|
|
currVert = ComputeUntexturedRibbonMesh(currVert,
|
||
|
|
vertexSize,
|
||
|
|
&ribbonPos[0],
|
||
|
|
&_Shape[0],
|
||
|
|
_UsedNbSegs,
|
||
|
|
numVerticesInShape,
|
||
|
|
ribbonSizeIncrement,
|
||
|
|
*ptCurrSize,
|
||
|
|
_Orientation
|
||
|
|
);
|
||
|
|
fpRibbonIndex += srcStep;
|
||
|
|
}
|
||
|
|
while (--k);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//////////////////////
|
||
|
|
// PARAMETRIC CASE //
|
||
|
|
//////////////////////
|
||
|
|
if (_Tex != NULL) // textured case
|
||
|
|
{
|
||
|
|
do
|
||
|
|
{
|
||
|
|
const float ribbonSizeIncrement = *ptCurrSize / (float) _UsedNbSegs;
|
||
|
|
ptCurrSize += ptCurrSizeIncrement;
|
||
|
|
_Owner->integrateSingle(date - _UsedSegDuration * (_UsedNbSegs + 1),
|
||
|
|
_UsedSegDuration,
|
||
|
|
_UsedNbSegs + 1,
|
||
|
|
(uint) (fpRibbonIndex >> 16),
|
||
|
|
&ribbonPos[0]);
|
||
|
|
|
||
|
|
currVert = ComputeTexturedRibbonMesh(currVert,
|
||
|
|
vertexSize,
|
||
|
|
&ribbonPos[0],
|
||
|
|
&_Shape[0],
|
||
|
|
_UsedNbSegs,
|
||
|
|
numVerticesInShape,
|
||
|
|
ribbonSizeIncrement,
|
||
|
|
*ptCurrSize,
|
||
|
|
_Orientation
|
||
|
|
);
|
||
|
|
fpRibbonIndex += srcStep;
|
||
|
|
}
|
||
|
|
while (--k);
|
||
|
|
}
|
||
|
|
else // untextured case
|
||
|
|
{
|
||
|
|
do
|
||
|
|
{
|
||
|
|
const float ribbonSizeIncrement = *ptCurrSize / (float) _UsedNbSegs;
|
||
|
|
ptCurrSize += ptCurrSizeIncrement;
|
||
|
|
_Owner->integrateSingle(date - _UsedSegDuration * (_UsedNbSegs + 1),
|
||
|
|
_UsedSegDuration,
|
||
|
|
_UsedNbSegs + 1,
|
||
|
|
(uint) (fpRibbonIndex >> 16),
|
||
|
|
&ribbonPos[0]);
|
||
|
|
|
||
|
|
currVert = ComputeUntexturedRibbonMesh(currVert,
|
||
|
|
vertexSize,
|
||
|
|
&ribbonPos[0],
|
||
|
|
&_Shape[0],
|
||
|
|
_UsedNbSegs,
|
||
|
|
numVerticesInShape,
|
||
|
|
ribbonSizeIncrement,
|
||
|
|
*ptCurrSize,
|
||
|
|
_Orientation
|
||
|
|
);
|
||
|
|
fpRibbonIndex += srcStep;
|
||
|
|
}
|
||
|
|
while (--k);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// display the result
|
||
|
|
uint numTri = numVerticesInShape * _UsedNbSegs * toProcess;
|
||
|
|
if (!_BraceMode)
|
||
|
|
{
|
||
|
|
numTri <<= 1;
|
||
|
|
}
|
||
|
|
PB.setNumIndexes(3 * numTri);
|
||
|
|
drv->activeIndexBuffer(PB);
|
||
|
|
drv->activeVertexBuffer(VB);
|
||
|
|
drv->renderTriangles(_Mat, 0, numTri);
|
||
|
|
ribbonIndex += toProcess;
|
||
|
|
}
|
||
|
|
while (ribbonIndex != nbRibbons);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
bool CPSRibbon::hasTransparentFaces(void)
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_hasTransparentFaces)
|
||
|
|
return getBlendingMode() != CPSMaterial::alphaTest ;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
bool CPSRibbon::hasOpaqueFaces(void)
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_hasOpaqueFaces)
|
||
|
|
return !hasTransparentFaces();
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
uint32 CPSRibbon::getNumWantedTris() const
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_getNumWantedTris)
|
||
|
|
nlassert(_Owner);
|
||
|
|
//return _Owner->getMaxSize() * _NbSegs;
|
||
|
|
return _Owner->getSize() * _NbSegs;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
// Set a tri in ribbon with check added
|
||
|
|
static inline void setTri(CIndexBufferReadWrite &ibrw, const CVertexBuffer &vb, uint32 triIndex, uint32 i0, uint32 i1, uint32 i2)
|
||
|
|
{
|
||
|
|
nlassert(i0 < vb.getNumVertices());
|
||
|
|
nlassert(i1 < vb.getNumVertices());
|
||
|
|
nlassert(i2 < vb.getNumVertices());
|
||
|
|
ibrw.setTri(triIndex, i0, i1, i2);
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
CPSRibbon::CVBnPB &CPSRibbon::getVBnPB()
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_getVBnPB)
|
||
|
|
// TODO : vb pointer caching ?
|
||
|
|
// TODO : better vb reuse ?
|
||
|
|
/// choose the right vb by building an index for lookup into 'vbMaps' defined above
|
||
|
|
TVBMap &map = _VBMaps[ (_BraceMode ? 8 : 0) | // set bit 3 if brace mode
|
||
|
|
(_Tex != NULL ? 4 : 0) | // set bit 2 if textured
|
||
|
|
(_ColorScheme != NULL ? 2 : 0) | // set bit 1 if per ribbon color
|
||
|
|
(_ColorFading ? 1 : 0) // set bit 0 if color fading
|
||
|
|
];
|
||
|
|
|
||
|
|
const uint numVerticesInSlice = getNumVerticesInSlice(); /// 1 vertex added for textured ribbon (to avoid texture stretching)
|
||
|
|
const uint numVerticesInShape = _Shape.size();
|
||
|
|
|
||
|
|
|
||
|
|
// The number of slice is encoded in the upper word of the vb index
|
||
|
|
// The number of vertices per slices is encoded in the lower word
|
||
|
|
uint VBnPDIndex = ((_UsedNbSegs + 1) << 16) | numVerticesInSlice;
|
||
|
|
TVBMap::iterator it = map.find(VBnPDIndex);
|
||
|
|
if (it != map.end())
|
||
|
|
{
|
||
|
|
return it->second;
|
||
|
|
}
|
||
|
|
else // must create this vb, with few different size, it is still interseting, though they are only destroyed at exit
|
||
|
|
{
|
||
|
|
const uint numRibbonInVB = getNumRibbonsInVB();
|
||
|
|
CVBnPB &VBnPB = map[VBnPDIndex]; // make an entry
|
||
|
|
CIndexBuffer &pb = VBnPB.PB;
|
||
|
|
CVertexBuffer &vb = VBnPB.VB;
|
||
|
|
vb.setPreferredMemory(CVertexBuffer::AGPVolatile, true); // keep local memory because of interleaved format
|
||
|
|
/// set the vb format & size
|
||
|
|
/// In the case of a ribbon with color and fading, we encode the fading in a texture
|
||
|
|
/// If the ribbon has fading, but only a global color, we encode it in the primary color
|
||
|
|
vb.setVertexFormat(CVertexBuffer::PositionFlag | /* alway need position */
|
||
|
|
(_ColorScheme || _ColorFading ? CVertexBuffer::PrimaryColorFlag : 0) | /* need a color ? */
|
||
|
|
((_ColorScheme && _ColorFading) || _Tex != NULL ? CVertexBuffer::TexCoord0Flag : 0) | /* need texture coordinates ? */
|
||
|
|
(_Tex != NULL && _ColorScheme && _ColorFading ? CVertexBuffer::TexCoord1Flag : 0) /* need 2nd texture coordinates ? */
|
||
|
|
);
|
||
|
|
vb.setNumVertices((_UsedNbSegs + 1) * numRibbonInVB * numVerticesInSlice); // 1 seg = 1 line + terminal vertices
|
||
|
|
pb.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
|
||
|
|
// set the primitive block size
|
||
|
|
if (_BraceMode)
|
||
|
|
{
|
||
|
|
pb.setNumIndexes(6 * _UsedNbSegs * numRibbonInVB * (_Shape.size() / 2));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
pb.setNumIndexes(6 * _UsedNbSegs * numRibbonInVB * _Shape.size());
|
||
|
|
}
|
||
|
|
//
|
||
|
|
CIndexBufferReadWrite ibaWrite;
|
||
|
|
pb.lock (ibaWrite);
|
||
|
|
CVertexBufferReadWrite vba;
|
||
|
|
vb.lock(vba);
|
||
|
|
/// Setup the pb and vb parts. Not very fast but executed only once
|
||
|
|
uint vbIndex = 0;
|
||
|
|
uint pbIndex = 0;
|
||
|
|
uint i, k, l;
|
||
|
|
for (i = 0; i < numRibbonInVB; ++i)
|
||
|
|
{
|
||
|
|
for (k = 0; k < (_UsedNbSegs + 1); ++k)
|
||
|
|
{
|
||
|
|
|
||
|
|
/// setup primitive block
|
||
|
|
if (k != _UsedNbSegs) /// there are alway one more slice than segments in the ribbon...
|
||
|
|
{
|
||
|
|
if (_BraceMode)
|
||
|
|
{
|
||
|
|
uint vIndex = vbIndex;
|
||
|
|
for (l = 0; l < numVerticesInShape / 2; ++l) /// deals with segment
|
||
|
|
{
|
||
|
|
setTri(ibaWrite, vb, pbIndex, vIndex, vIndex + numVerticesInSlice, vIndex + numVerticesInSlice + 1);
|
||
|
|
pbIndex+=3;
|
||
|
|
setTri(ibaWrite, vb, pbIndex, vIndex, vIndex + numVerticesInSlice + 1, vIndex + 1);
|
||
|
|
pbIndex+=3;
|
||
|
|
vIndex += 2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
uint vIndex = vbIndex;
|
||
|
|
for (l = 0; l < (numVerticesInShape - 1); ++l) /// deals with each ribbon vertices
|
||
|
|
{
|
||
|
|
setTri(ibaWrite, vb, pbIndex, vIndex, vIndex + numVerticesInSlice, vIndex + numVerticesInSlice + 1);
|
||
|
|
pbIndex+=3;
|
||
|
|
setTri(ibaWrite, vb, pbIndex, vIndex, vIndex + numVerticesInSlice + 1, vIndex + 1);
|
||
|
|
pbIndex+=3;
|
||
|
|
++ vIndex;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// the last 2 index don't loop if there's a texture
|
||
|
|
uint nextVertexIndex = (numVerticesInShape == numVerticesInSlice) ? vIndex + 1 - numVerticesInShape // no texture -> we loop
|
||
|
|
: vIndex + 1; // a texture is used : use onemore vertex
|
||
|
|
setTri(ibaWrite, vb, pbIndex, vIndex, vIndex + numVerticesInSlice, nextVertexIndex + numVerticesInSlice);
|
||
|
|
pbIndex+=3;
|
||
|
|
setTri(ibaWrite, vb, pbIndex, vIndex, nextVertexIndex + numVerticesInSlice, nextVertexIndex);
|
||
|
|
pbIndex+=3;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/// setup vb
|
||
|
|
if (_BraceMode)
|
||
|
|
{
|
||
|
|
for (l = 0; l < numVerticesInSlice / 2; ++l) /// deals with each ribbon vertices
|
||
|
|
{
|
||
|
|
nlassert(vbIndex < vb.getNumVertices());
|
||
|
|
/// setup texture (if any)
|
||
|
|
if (_Tex != NULL)
|
||
|
|
{
|
||
|
|
vba.setTexCoord(vbIndex,
|
||
|
|
_ColorScheme && _ColorFading ? 1 : 0, // must we use the second texture coord ? (when 1st one used by the gradient texture : we can't encode it in the diffuse as it encodes each ribbon color)
|
||
|
|
(float) k / _UsedNbSegs, // u
|
||
|
|
0.f // v
|
||
|
|
);
|
||
|
|
vba.setTexCoord(vbIndex + 1,
|
||
|
|
_ColorScheme && _ColorFading ? 1 : 0,
|
||
|
|
(float) k / _UsedNbSegs,
|
||
|
|
1.f
|
||
|
|
);
|
||
|
|
}
|
||
|
|
/// setup gradient
|
||
|
|
if (_ColorFading)
|
||
|
|
{
|
||
|
|
// If not per ribbon color, we can encode it in the diffuse
|
||
|
|
if (_ColorScheme == NULL)
|
||
|
|
{
|
||
|
|
uint8 intensity = (uint8) (255 * (1.f - ((float) k / _UsedNbSegs)));
|
||
|
|
NLMISC::CRGBA col(intensity, intensity, intensity, intensity);
|
||
|
|
vba.setColor(vbIndex, col);
|
||
|
|
vba.setColor(vbIndex + 1, col);
|
||
|
|
}
|
||
|
|
else // encode it in the first texture
|
||
|
|
{
|
||
|
|
vba.setTexCoord(vbIndex, 0, 0.5f - 0.5f * ((float) k / _UsedNbSegs), 0);
|
||
|
|
vba.setTexCoord(vbIndex + 1, 0, 0.5f - 0.5f * ((float) k / _UsedNbSegs), 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
vbIndex += 2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
for (l = 0; l < numVerticesInSlice; ++l) /// deals with each ribbon vertices
|
||
|
|
{
|
||
|
|
nlassert(vbIndex < vb.getNumVertices());
|
||
|
|
/// setup texture (if any)
|
||
|
|
if (_Tex != NULL)
|
||
|
|
{
|
||
|
|
vba.setTexCoord(vbIndex,
|
||
|
|
_ColorScheme && _ColorFading ? 1 : 0, // must we use the second texture coord ? (when 1st one used by the gradient texture : we can't encode it in the diffuse as it encodes each ribbon color)
|
||
|
|
(float) k / _UsedNbSegs, // u
|
||
|
|
1.f - (l / (float) numVerticesInShape) // v
|
||
|
|
);
|
||
|
|
}
|
||
|
|
/// setup gradient
|
||
|
|
if (_ColorFading)
|
||
|
|
{
|
||
|
|
// If not per ribbon color, we can encode it in the diffuse
|
||
|
|
if (_ColorScheme == NULL)
|
||
|
|
{
|
||
|
|
uint8 intensity = (uint8) (255 * (1.f - ((float) k / _UsedNbSegs)));
|
||
|
|
NLMISC::CRGBA col(intensity, intensity, intensity, intensity);
|
||
|
|
vba.setColor(vbIndex, col);
|
||
|
|
}
|
||
|
|
else // encode it in the first texture
|
||
|
|
{
|
||
|
|
vba.setTexCoord(vbIndex, 0, 0.5f - 0.5f * ((float) k / _UsedNbSegs), 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
++ vbIndex;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return VBnPB;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
uint CPSRibbon::getNumRibbonsInVB() const
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_getNumRibbonsInVB)
|
||
|
|
const uint numVerticesInSlice = getNumVerticesInSlice(); /// 1 vertex added for textured ribbon (to avoid texture stretching)
|
||
|
|
const uint vertexInVB = 512;
|
||
|
|
return std::max(1u, (uint) (vertexInVB / (numVerticesInSlice * (_UsedNbSegs + 1))));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
inline void CPSRibbon::updateUntexturedMaterial()
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_updateUntexturedMaterial)
|
||
|
|
///////////////////////
|
||
|
|
// UNTEXTURED RIBBON //
|
||
|
|
///////////////////////
|
||
|
|
|
||
|
|
static NLMISC::CRefPtr<ITexture> ptGradTexture;
|
||
|
|
|
||
|
|
CParticleSystem &ps = *(_Owner->getOwner());
|
||
|
|
if (_ColorScheme)
|
||
|
|
{ // PER RIBBON COLOR
|
||
|
|
if (ps.getForceGlobalColorLightingFlag() || usesGlobalColorLighting() || ps.getColorAttenuationScheme() || ps.isUserColorUsed())
|
||
|
|
{
|
||
|
|
if (_ColorFading) // global color + fading + per ribbon color
|
||
|
|
{
|
||
|
|
// the first stage is used to get fading * global color
|
||
|
|
// the second stage multiply the result by the diffuse colot
|
||
|
|
if (ptGradTexture == NULL) // have we got a gradient texture ?
|
||
|
|
{
|
||
|
|
ptGradTexture = CreateGradientTexture();
|
||
|
|
}
|
||
|
|
_Mat.setTexture(0, ptGradTexture);
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(2); // use constant color 0 * diffuse, 1 stage needed
|
||
|
|
SetupModulatedStage(_Mat, 0, CMaterial::Texture, CMaterial::Constant);
|
||
|
|
SetupModulatedStage(_Mat, 1, CMaterial::Previous, CMaterial::Diffuse);
|
||
|
|
}
|
||
|
|
else // per ribbon color with global color
|
||
|
|
{
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(1); // use constant color 0 * diffuse, 1 stage needed
|
||
|
|
SetupModulatedStage(_Mat, 0, CMaterial::Diffuse, CMaterial::Constant);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (_ColorFading) // per ribbon color, no fading
|
||
|
|
{
|
||
|
|
if (ptGradTexture == NULL) // have we got a gradient texture ?
|
||
|
|
{
|
||
|
|
ptGradTexture = CreateGradientTexture();
|
||
|
|
}
|
||
|
|
_Mat.setTexture(0, ptGradTexture);
|
||
|
|
ptGradTexture->setWrapS(ITexture::Clamp);
|
||
|
|
ptGradTexture->setWrapT(ITexture::Clamp);
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(1);
|
||
|
|
SetupModulatedStage(_Mat, 0, CMaterial::Texture, CMaterial::Diffuse);
|
||
|
|
}
|
||
|
|
else // per color ribbon with no fading, and no global color
|
||
|
|
{
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(0); // no texture use constant diffuse only
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else // GLOBAL COLOR
|
||
|
|
{
|
||
|
|
if (_ColorFading)
|
||
|
|
{
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(1); // use constant color 0 * diffuse, 1 stage needed
|
||
|
|
SetupModulatedStage(_Mat, 0, CMaterial::Diffuse, CMaterial::Constant);
|
||
|
|
}
|
||
|
|
else // color attenuation, no fading :
|
||
|
|
{
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(0); // no texture use constant diffuse only
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_Touch = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
inline void CPSRibbon::updateTexturedMaterial()
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_updateTexturedMaterial)
|
||
|
|
/////////////////////
|
||
|
|
// TEXTURED RIBBON //
|
||
|
|
/////////////////////
|
||
|
|
if (_Tex)
|
||
|
|
{
|
||
|
|
//_Tex->setWrapS(ITexture::Clamp);
|
||
|
|
//_Tex->setWrapT(ITexture::Clamp);
|
||
|
|
}
|
||
|
|
static NLMISC::CRefPtr<ITexture> ptGradTexture;
|
||
|
|
CParticleSystem &ps = *(_Owner->getOwner());
|
||
|
|
if (_ColorScheme)
|
||
|
|
{ // PER RIBBON COLOR
|
||
|
|
if (ps.getForceGlobalColorLightingFlag() || usesGlobalColorLighting() || ps.getColorAttenuationScheme() || ps.isUserColorUsed())
|
||
|
|
{
|
||
|
|
if (_ColorFading) // global color + fading + per ribbon color
|
||
|
|
{
|
||
|
|
if (ptGradTexture == NULL) // have we got a gradient texture ?
|
||
|
|
{
|
||
|
|
ptGradTexture = CreateGradientTexture(); // create it
|
||
|
|
}
|
||
|
|
/// fading is stored in last stage (work only with 3 stages...)
|
||
|
|
_Mat.setTexture(0, ptGradTexture);
|
||
|
|
ptGradTexture->setWrapS(ITexture::Clamp);
|
||
|
|
ptGradTexture->setWrapT(ITexture::Clamp);
|
||
|
|
_Mat.setTexture(1, _Tex);
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(3); // use constant color 0 * diffuse, 1 stage needed
|
||
|
|
SetupModulatedStage(_Mat, 0, CMaterial::Texture, CMaterial::Diffuse);
|
||
|
|
SetupModulatedStage(_Mat, 1, CMaterial::Texture, CMaterial::Previous);
|
||
|
|
SetupModulatedStage(_Mat, 2, CMaterial::Previous, CMaterial::Constant);
|
||
|
|
}
|
||
|
|
else // per ribbon color with global color
|
||
|
|
{
|
||
|
|
_Mat.setTexture(0, _Tex);
|
||
|
|
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(2); // use constant color 0 * diffuse, 1 stage needed
|
||
|
|
SetupModulatedStage(_Mat, 0, CMaterial::Texture, CMaterial::Diffuse);
|
||
|
|
SetupModulatedStage(_Mat, 1, CMaterial::Previous, CMaterial::Constant);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (_ColorFading) // per ribbon color, fading : 2 textures needed
|
||
|
|
{
|
||
|
|
if (ptGradTexture == NULL) // have we got a gradient texture ?
|
||
|
|
{
|
||
|
|
ptGradTexture = CreateGradientTexture(); // create it
|
||
|
|
}
|
||
|
|
_Mat.setTexture(0, ptGradTexture);
|
||
|
|
ptGradTexture->setWrapS(ITexture::Clamp);
|
||
|
|
ptGradTexture->setWrapT(ITexture::Clamp);
|
||
|
|
_Mat.setTexture(1, _Tex);
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(2);
|
||
|
|
SetupModulatedStage(_Mat, 0, CMaterial::Texture, CMaterial::Diffuse); // texture * ribbon color
|
||
|
|
SetupModulatedStage(_Mat, 1, CMaterial::Texture, CMaterial::Previous); // * gradient
|
||
|
|
}
|
||
|
|
else // per color ribbon with no fading, and no global color
|
||
|
|
{
|
||
|
|
_Mat.setTexture(0, _Tex);
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(1); // no texture use constant diffuse only
|
||
|
|
SetupModulatedStage(_Mat, 0, CMaterial::Texture, CMaterial::Diffuse);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else // GLOBAL COLOR
|
||
|
|
{
|
||
|
|
|
||
|
|
if (_ColorFading) // gradient is encoded in diffuse
|
||
|
|
{
|
||
|
|
_Mat.setTexture(0, _Tex);
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(2); // use constant color 0 * diffuse, 1 stage needed
|
||
|
|
SetupModulatedStage(_Mat, 0, CMaterial::Texture, CMaterial::Diffuse);
|
||
|
|
SetupModulatedStage(_Mat, 1, CMaterial::Previous, CMaterial::Constant);
|
||
|
|
}
|
||
|
|
else // constant color
|
||
|
|
{
|
||
|
|
_Mat.setTexture(0, _Tex);
|
||
|
|
CPSMaterial::forceTexturedMaterialStages(1); // no texture use constant diffuse only
|
||
|
|
SetupModulatedStage(_Mat, 0, CMaterial::Texture, CMaterial::Diffuse);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_Touch = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
void CPSRibbon::updateMaterial()
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_updateMaterial)
|
||
|
|
if (!_Touch) return;
|
||
|
|
if (_Tex != NULL)
|
||
|
|
{
|
||
|
|
updateTexturedMaterial();
|
||
|
|
setupTextureMatrix();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
updateUntexturedMaterial();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
inline void CPSRibbon::setupUntexturedGlobalColor()
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_setupUntexturedGlobalColor)
|
||
|
|
/// setup the global color if it is used
|
||
|
|
CParticleSystem &ps = *(_Owner->getOwner());
|
||
|
|
if (_ColorScheme)
|
||
|
|
{
|
||
|
|
if (ps.getForceGlobalColorLightingFlag() || usesGlobalColorLighting())
|
||
|
|
{
|
||
|
|
_Mat.texConstantColor(0, ps.getGlobalColorLighted());
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_Mat.texConstantColor(0, ps.getGlobalColor());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else // GLOBAL COLOR with / without fading
|
||
|
|
{
|
||
|
|
NLMISC::CRGBA col;
|
||
|
|
if (ps.getForceGlobalColorLightingFlag() || usesGlobalColorLighting())
|
||
|
|
{
|
||
|
|
col.modulateFromColor(ps.getGlobalColorLighted(), _Color);
|
||
|
|
}
|
||
|
|
else if (ps.getColorAttenuationScheme() || ps.isUserColorUsed())
|
||
|
|
{
|
||
|
|
col.modulateFromColor(ps.getGlobalColor(), _Color);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
col = _Color;
|
||
|
|
}
|
||
|
|
if (_ColorFading)
|
||
|
|
{
|
||
|
|
_Mat.texConstantColor(0, col);
|
||
|
|
}
|
||
|
|
else // color attenuation, no fading :
|
||
|
|
{
|
||
|
|
_Mat.setColor(col);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
inline void CPSRibbon::setupTexturedGlobalColor()
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_setupTexturedGlobalColor)
|
||
|
|
/// setup the global color if it is used
|
||
|
|
CParticleSystem &ps = *(_Owner->getOwner());
|
||
|
|
if (_ColorScheme)
|
||
|
|
{
|
||
|
|
if (ps.getForceGlobalColorLightingFlag() || usesGlobalColorLighting())
|
||
|
|
{
|
||
|
|
if (_ColorFading)
|
||
|
|
{
|
||
|
|
_Mat.texConstantColor(2, ps.getGlobalColorLighted());
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_Mat.texConstantColor(1, ps.getGlobalColorLighted());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (_ColorFading)
|
||
|
|
{
|
||
|
|
_Mat.texConstantColor(2, ps.getGlobalColor());
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_Mat.texConstantColor(1, ps.getGlobalColor());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else // GLOBAL COLOR with / without fading
|
||
|
|
{
|
||
|
|
if (ps.getForceGlobalColorLightingFlag() || usesGlobalColorLighting())
|
||
|
|
{
|
||
|
|
NLMISC::CRGBA col;
|
||
|
|
col.modulateFromColor(ps.getGlobalColorLighted(), _Color);
|
||
|
|
if (_ColorFading)
|
||
|
|
{
|
||
|
|
_Mat.texConstantColor(1, col);
|
||
|
|
}
|
||
|
|
else // color attenuation, no fading :
|
||
|
|
{
|
||
|
|
_Mat.setColor(col);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if (ps.getColorAttenuationScheme() || ps.isUserColorUsed())
|
||
|
|
{
|
||
|
|
NLMISC::CRGBA col;
|
||
|
|
col.modulateFromColor(ps.getGlobalColor(), _Color);
|
||
|
|
if (_ColorFading)
|
||
|
|
{
|
||
|
|
_Mat.texConstantColor(1, col);
|
||
|
|
}
|
||
|
|
else // color attenuation, no fading :
|
||
|
|
{
|
||
|
|
_Mat.setColor(col);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (_ColorFading)
|
||
|
|
{
|
||
|
|
_Mat.texConstantColor(1, _Color);
|
||
|
|
}
|
||
|
|
else // constant color
|
||
|
|
{
|
||
|
|
_Mat.setColor(_Color);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
void CPSRibbon::setupGlobalColor()
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_setupGlobalColor)
|
||
|
|
if (_Tex != NULL) setupTexturedGlobalColor();
|
||
|
|
else setupUntexturedGlobalColor();
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
void CPSRibbon::setupTextureMatrix()
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_setupTextureMatrix)
|
||
|
|
uint stage = (_ColorScheme != NULL && _ColorFading == true) ? 1 : 0;
|
||
|
|
if (_UFactor != 1.f || _VFactor != 1.f)
|
||
|
|
{
|
||
|
|
_Mat.enableUserTexMat(stage);
|
||
|
|
CMatrix texMat;
|
||
|
|
texMat.setRot(_UFactor * NLMISC::CVector::I,
|
||
|
|
_VFactor * NLMISC::CVector::J,
|
||
|
|
NLMISC::CVector::K
|
||
|
|
);
|
||
|
|
_Mat.setUserTexMat(stage, texMat);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_Mat.enableUserTexMat(stage, false);
|
||
|
|
}
|
||
|
|
_Mat.enableUserTexMat(1 - stage, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
///==================================================================================================================
|
||
|
|
void CPSRibbon::setShape(const CVector *shape, uint32 nbPointsInShape, bool braceMode)
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_setShape)
|
||
|
|
if (!braceMode)
|
||
|
|
{
|
||
|
|
nlassert(nbPointsInShape >= 3);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
nlassert(nbPointsInShape >= 2);
|
||
|
|
nlassert(!(nbPointsInShape & 1)); // must be even
|
||
|
|
}
|
||
|
|
_Shape.resize(nbPointsInShape);
|
||
|
|
std::copy(shape, shape + nbPointsInShape, _Shape.begin());
|
||
|
|
_BraceMode = braceMode;
|
||
|
|
}
|
||
|
|
|
||
|
|
///==================================================================================================================
|
||
|
|
void CPSRibbon::getShape(CVector *shape) const
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_getShape)
|
||
|
|
std::copy(_Shape.begin(), _Shape.end(), shape);
|
||
|
|
}
|
||
|
|
|
||
|
|
///==================================================================================================================
|
||
|
|
void CPSRibbon::enumTexs(std::vector<NLMISC::CSmartPtr<ITexture> > &dest, IDriver &drv)
|
||
|
|
{
|
||
|
|
NL_PS_FUNC(CPSRibbon_enumTexs)
|
||
|
|
if (_Tex)
|
||
|
|
{
|
||
|
|
dest.push_back(_Tex);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
} // NL3D
|