432 lines
12 KiB
C++
432 lines
12 KiB
C++
// 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/misc/aabbox.h"
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#include "nel/misc/matrix.h"
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#include "nel/3d/ps_util.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/vertex_buffer.h"
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#include "nel/3d/index_buffer.h"
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#include "nel/3d/material.h"
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#include "nel/3d/nelu.h"
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#include "nel/3d/font_generator.h"
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#include "nel/3d/font_manager.h"
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#include "nel/3d/computed_string.h"
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#include "nel/3d/dru.h"
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#include "nel/3d/ps_located.h"
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#include "nel/3d/ps_sound.h"
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#include "nel/3d/ps_light.h"
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#include "nel/3d/particle_system_shape.h"
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namespace NL3D {
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using NLMISC::CVector;
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//#ifdef NL_DEBUG
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bool CPSUtil::_CosTableInitialized = false;
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bool CPSUtil::_PerlinNoiseTableInitialized = false;
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//#endif
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float CPSUtil::_CosTable[256];
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float CPSUtil::_SinTable[256];
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float CPSUtil::_PerlinNoiseTab[1024];
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//==========================================================================
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void CPSUtil::initPerlinNoiseTable(void)
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{
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NL_PS_FUNC(CPSUtil_initPerlinNoiseTable)
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for (uint32 k = 0; k < 1024; ++k)
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{
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_PerlinNoiseTab[k] = (rand() % 30000) / 30000.f;
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}
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//#ifdef NL_DEBUG
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_PerlinNoiseTableInitialized = true;
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//#endif
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}
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//==========================================================================
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void CPSUtil::initFastCosNSinTable(void)
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{
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NL_PS_FUNC(CPSUtil_initFastCosNSinTable)
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for (uint32 k = 0; k < 256; k++)
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{
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const float angle = k / 256.0f * 2.0f * float(NLMISC::Pi);
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_CosTable[k] = (float) cos( angle );
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_SinTable[k] = (float) sin( angle );
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}
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//#ifdef NL_DEBUG
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_CosTableInitialized = true;
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//#endif
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}
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//==========================================================================
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void CPSUtil::registerSerialParticleSystem(void)
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{
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NL_PS_FUNC(CPSUtil_registerSerialParticleSystem)
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NLMISC_REGISTER_CLASS(CPSLocated);
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NLMISC_REGISTER_CLASS(CParticleSystemShape);
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NLMISC_REGISTER_CLASS(CPSSound);
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NLMISC_REGISTER_CLASS(CPSLight);
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registerParticles();
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registerForces();
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registerEmitters();
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registerZones();
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registerAttribs();
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// while we are here, we perform some important inits
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initFastCosNSinTable(); // init fast cosine lookup table
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initPerlinNoiseTable(); // init perlin noise table
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}
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//==========================================================================
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void CPSUtil::displayBBox(NL3D::IDriver *driver, const NLMISC::CAABBox &box, NLMISC::CRGBA col /* = NLMISC::CRGBA::White */)
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{
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NL_PS_FUNC(CPSUtil_displayBBox)
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CVector max = box.getMax()
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,min = box.getMin();
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CVertexBuffer vb;
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vb.setVertexFormat(CVertexBuffer::PositionFlag);
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vb.setNumVertices(8);
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{
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CVertexBufferReadWrite vba;
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vb.lock (vba);
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vba.setVertexCoord(0, min);
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vba.setVertexCoord(1, CVector(max.x, min.y, min.z));
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vba.setVertexCoord(2, CVector(min.x, max.y, min.z));
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vba.setVertexCoord(3, CVector(max.x, max.y, min.z));
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vba.setVertexCoord(4, CVector(min.x, min.y, max.z));
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vba.setVertexCoord(5, CVector(max.x, min.y, max.z));
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vba.setVertexCoord(6, CVector(min.x, max.y, max.z));
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vba.setVertexCoord(7, max);
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}
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CMaterial material;
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material.setColor(col);
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material.setLighting(false);
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material.setBlendFunc(CMaterial::one, CMaterial::one);
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material.setZWrite(false);
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material.setBlend(true);
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CIndexBuffer pb;
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pb.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
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pb.setNumIndexes(2*12);
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{
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CIndexBufferReadWrite ibaWrite;
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pb.lock (ibaWrite);
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ibaWrite.setLine(0, 0, 1);
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ibaWrite.setLine(2, 1, 5);
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ibaWrite.setLine(4, 5, 4);
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ibaWrite.setLine(6, 4, 0);
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ibaWrite.setLine(8, 0, 2);
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ibaWrite.setLine(10, 1, 3);
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ibaWrite.setLine(12, 4, 6);
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ibaWrite.setLine(14, 5, 7);
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ibaWrite.setLine(16, 6, 7);
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ibaWrite.setLine(18, 7, 3);
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ibaWrite.setLine(20, 3, 2);
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ibaWrite.setLine(22, 2, 6);
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}
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driver->activeVertexBuffer(vb);
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driver->activeIndexBuffer(pb);
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driver->renderLines(material, 0, pb.getNumIndexes()/2);
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}
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//==========================================================================
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void CPSUtil::displayArrow(IDriver *driver, const CVector &start, const CVector &v, float size, CRGBA col1, CRGBA col2)
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{
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NL_PS_FUNC(CPSUtil_displayArrow)
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const float coneSize = size * 0.1f;
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static CIndexBuffer vTab;
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static const TIndexType vTabIndexes[] =
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{ 1, 2, 4,
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4, 2, 3,
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1, 2, 0,
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2, 3, 0,
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3, 4, 0,
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4, 1, 0 };
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vTab.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
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if (vTab.getNumIndexes()==0)
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{
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vTab.setNumIndexes (sizeofarray(vTabIndexes));
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CIndexBufferReadWrite iba;
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vTab.lock(iba);
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memcpy (iba.getPtr(), vTabIndexes, sizeof(vTabIndexes));
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}
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CVector end = start + size * v;
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CDRU::drawLine(start, end, col1, *driver);
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CMatrix m;
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buildSchmidtBasis(v, m);
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CVertexBuffer vb;
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vb.setVertexFormat(CVertexBuffer::PositionFlag);
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vb.setNumVertices(5);
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{
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CVertexBufferReadWrite vba;
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vb.lock (vba);
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vba.setVertexCoord(0, end + m * CVector(0, 0, 3.0f * coneSize) );
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vba.setVertexCoord(1, end + m * CVector(-coneSize, -coneSize, 0) );
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vba.setVertexCoord(2, end + m * CVector(coneSize, -coneSize, 0) );
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vba.setVertexCoord(3, end + m * CVector(coneSize, coneSize, 0) );
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vba.setVertexCoord(4, end + m * CVector(-coneSize, coneSize, 0) );
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}
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CMaterial material;
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material.setColor(col2);
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material.setLighting(false);
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material.setBlendFunc(CMaterial::one, CMaterial::one);
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material.setZWrite(false);
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material.setBlend(true);
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material.setDoubleSided(true);
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driver->activeVertexBuffer(vb);
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driver->activeIndexBuffer(vTab);
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driver->renderTriangles(material, 0, 6);
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}
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//==========================================================================
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void CPSUtil::displayBasis(IDriver *driver, const CMatrix &modelMat, const NLMISC::CMatrix &m, float size, CFontGenerator &fg, CFontManager &fm)
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{
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NL_PS_FUNC(CPSUtil_displayBasis)
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CMaterial material;
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driver->setupModelMatrix(modelMat);
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displayArrow(driver, m.getPos(), m.getI(), size, CRGBA(127, 127, 127), CRGBA(0, 0, 80));
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displayArrow(driver, m.getPos(), m.getJ(), size, CRGBA(127, 127, 127), CRGBA(0, 0, 80));
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displayArrow(driver, m.getPos(), m.getK(), size, CRGBA(127, 127, 127), CRGBA(200, 0, 80));
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// draw the letters
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CPSUtil::print(driver, std::string("x"), fg, fm, modelMat * m * CVector(1.4f * size, 0, 0), 15.0f * size);
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CPSUtil::print(driver, std::string("y"), fg, fm, modelMat * m * CVector(0, 1.4f * size, 0), 15.0f * size);
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CPSUtil::print(driver, std::string("z"), fg, fm, modelMat * m * CVector(0, 0, 1.4f * size), 15.0f * size);
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};
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//==========================================================================
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void CPSUtil::print(IDriver *driver, const std::string &text, CFontGenerator &fg, CFontManager &fm, const CVector &pos, float size, NLMISC::CRGBA col /*= NLMISC::CRGBA::White*/)
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{
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NL_PS_FUNC(CPSUtil_print)
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nlassert((&fg) && (&fm));
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CComputedString cptedString;
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fm.computeString ( text,
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&fg,
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col,
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16,
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driver,
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cptedString);
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CMatrix mat = driver->getViewMatrix();
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mat.setPos(CVector::Null);
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mat.scale(CVector(size, size, size));
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mat.transpose();
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mat.setPos(pos);
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cptedString.render3D(*driver, mat);
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}
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//==========================================================================
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void CPSUtil::buildSchmidtBasis(const CVector &k_, NLMISC::CMatrix &result)
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{
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NL_PS_FUNC(CPSUtil_buildSchmidtBasis)
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const float epsilon = 10E-4f;
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CVector k = k_;
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k.normalize();
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CVector i;
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if ((1.0f - fabsf(k * CVector::I)) > epsilon)
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{
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i = k ^ CVector::I;
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}
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else
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if ((1.0f - fabs(k * CVector::J)) > epsilon)
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{
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i = k ^ CVector::J;
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}
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else
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{
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i = k ^ CVector::K;
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}
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i = i - (k * i) * k;
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i.normalize();
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result.setRot(i, k ^ i, k, true);
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}
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//==========================================================================
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void CPSUtil::displaySphere(IDriver &driver, float radius, const CVector ¢er, uint nbSubdiv, CRGBA color)
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{
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NL_PS_FUNC(CPSUtil_displaySphere)
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uint x, y, k;
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CVector p, p1, p2;
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static const CVector lK[] = { CVector::I, -CVector::I
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,CVector::J, -CVector::J
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,CVector::K, -CVector::K };
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/* static const CVector lI = { CVector::J, -CVector::J
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,CVector::K, -CVector::K
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,CVector::I, -CVector::I };*/
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for (k = 0; k < 6; ++k)
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{
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const CVector &I = lK[(k + 2) % 6];
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const CVector &K = lK[k];
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const CVector J = K ^ I;
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for (x = 0; x < nbSubdiv; ++x)
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{
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for (y = 0; y < nbSubdiv; ++y)
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{
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p = ((2.f * x / float(nbSubdiv) ) - 1.f) * I + ((2.f * y / float(nbSubdiv) ) - 1.f) * J + K;
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p1 = p + 2.f / float(nbSubdiv) * I;
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p2 = p + 2.f / float(nbSubdiv) * J;
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p.normalize();
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p1.normalize();
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p2.normalize();
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p = center + radius * p;
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p1 = center + radius * p1;
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p2 = center + radius * p2;
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CDRU::drawLine(p, p1, color, driver);
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CDRU::drawLine(p, p2, color, driver);
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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 CPSUtil::displayDisc(IDriver &driver, float radius, const CVector ¢er, const CMatrix &mat, uint nbSubdiv, CRGBA color)
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{
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NL_PS_FUNC(CPSUtil_displayDisc)
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// not optimized, but for edition only
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float thetaDelta = (float) NLMISC::Pi * 2.f / nbSubdiv;
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float theta = 0.f;
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const CVector &I = mat.getI();
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const CVector &J = mat.getJ();
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for (uint k = 0; k < nbSubdiv; ++k)
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{
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CDRU::drawLine(center + radius * ((float) cos(theta) * I + (float) sin(theta) * J)
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, center + radius * ((float) cos(theta + thetaDelta) * I + (float) sin(theta + thetaDelta) * J)
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, color, driver);
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theta += thetaDelta;
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}
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}
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//==========================================================================
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void CPSUtil::displayCylinder(IDriver &driver, const CVector ¢er, const CMatrix &mat, const CVector &dim, uint nbSubdiv, CRGBA color)
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{
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NL_PS_FUNC(CPSUtil_displayCylinder)
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// not optimized, but for edition only
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float thetaDelta = (float) NLMISC::Pi * 2.f / nbSubdiv;
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float theta = 0.f;
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const CVector &I = mat.getI();
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const CVector &J = mat.getJ();
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const CVector &K = mat.getK();
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for (uint k = 0; k < nbSubdiv; ++k)
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{
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CDRU::drawLine(center + dim.z * K + dim.x * cosf(theta) * I + dim.y * sinf(theta) * J
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, center + dim.z * K + dim.x * cosf(theta + thetaDelta) * I + dim.y * sinf(theta + thetaDelta) * J
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, color, driver);
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CDRU::drawLine(center - dim.z * K + dim.x * cosf(theta) * I + dim.y * sinf(theta) * J
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, center - dim.z * K + dim.x * cosf(theta + thetaDelta) * I + dim.y * sinf(theta + thetaDelta) * J
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, color, driver);
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CDRU::drawLine(center + dim.z * K + dim.x * cosf(theta) * I + dim.y * sinf(theta) * J
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, center - dim.z * K + dim.x * cosf(theta) * I + dim.y * sinf(theta) * J
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, color, driver);
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theta += thetaDelta;
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}
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}
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//==========================================================================
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void CPSUtil::display3DQuad(IDriver &driver, const CVector &c1, const CVector &c2
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,const CVector &c3, const CVector &c4, CRGBA color)
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{
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NL_PS_FUNC(CPSUtil_display3DQuad)
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CDRU::drawLine(c1, c2, color, driver);
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CDRU::drawLine(c2, c3, color, driver);
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CDRU::drawLine(c3, c4, color, driver);
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CDRU::drawLine(c4, c1, color, driver);
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}
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} // NL3D
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