bool Primitive_readLocalData(Input& fr,osg::Geometry& geom)
{
bool iteratorAdvanced = false;
bool firstMatched = false;
if ((firstMatched = fr.matchSequence("DrawArrays %w %i %i %i")) ||
fr.matchSequence("DrawArrays %w %i %i") )
{
GLenum mode;
Geometry_matchPrimitiveModeStr(fr[1].getStr(),mode);
int first;
fr[2].getInt(first);
int count;
fr[3].getInt(count);
int numInstances = 0;
if (firstMatched)
{
fr[4].getInt(numInstances);
fr += 5;
}
else
{
fr += 4;
}
geom.addPrimitiveSet(new DrawArrays(mode, first, count, numInstances));
iteratorAdvanced = true;
}
else if ((firstMatched = fr.matchSequence("DrawArrayLengths %w %i %i %i {")) ||
fr.matchSequence("DrawArrayLengths %w %i %i {") )
{
int entry = fr[1].getNoNestedBrackets();
GLenum mode;
Geometry_matchPrimitiveModeStr(fr[1].getStr(),mode);
int first;
fr[2].getInt(first);
int capacity;
fr[3].getInt(capacity);
int numInstances = 0;
if (firstMatched)
{
fr[4].getInt(numInstances);
fr += 6;
}
else
{
fr += 5;
}
DrawArrayLengths* prim = new DrawArrayLengths;
prim->setMode(mode);
prim->setNumInstances(numInstances);
prim->setFirst(first);
prim->reserve(capacity);
while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
{
unsigned int i;
if (fr[0].getUInt(i))
{
prim->push_back(i);
++fr;
}
}
++fr;
geom.addPrimitiveSet(prim);
iteratorAdvanced = true;
}
else if ((firstMatched = fr.matchSequence("DrawElementsUByte %w %i %i {")) ||
fr.matchSequence("DrawElementsUByte %w %i {"))
{
int entry = fr[1].getNoNestedBrackets();
GLenum mode;
Geometry_matchPrimitiveModeStr(fr[1].getStr(),mode);
int capacity;
fr[2].getInt(capacity);
int numInstances = 0;
if (firstMatched)
{
fr[3].getInt(numInstances);
fr += 5;
}
else
{
fr += 4;
}
DrawElementsUByte* prim = new DrawElementsUByte;
prim->setMode(mode);
prim->setNumInstances(numInstances);
prim->reserve(capacity);
while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
{
unsigned int i;
if (fr[0].getUInt(i))
{
prim->push_back(i);
++fr;
}
}
++fr;
geom.addPrimitiveSet(prim);
iteratorAdvanced = true;
}
else if ((firstMatched = fr.matchSequence("DrawElementsUShort %w %i %i {")) ||
fr.matchSequence("DrawElementsUShort %w %i {"))
{
int entry = fr[1].getNoNestedBrackets();
GLenum mode;
Geometry_matchPrimitiveModeStr(fr[1].getStr(),mode);
int capacity;
fr[2].getInt(capacity);
int numInstances = 0;
if (firstMatched)
{
fr[3].getInt(numInstances);
fr += 5;
}
else
{
fr += 4;
}
DrawElementsUShort* prim = new DrawElementsUShort;
prim->setMode(mode);
prim->setNumInstances(numInstances);
prim->reserve(capacity);
while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
{
unsigned int i;
if (fr[0].getUInt(i))
{
prim->push_back(i);
++fr;
}
}
++fr;
geom.addPrimitiveSet(prim);
iteratorAdvanced = true;
}
else if ((firstMatched = fr.matchSequence("DrawElementsUInt %w %i %i {")) ||
fr.matchSequence("DrawElementsUInt %w %i {"))
{
int entry = fr[1].getNoNestedBrackets();
GLenum mode;
Geometry_matchPrimitiveModeStr(fr[1].getStr(),mode);
int capacity;
fr[2].getInt(capacity);
int numInstances = 0;
if (firstMatched)
{
fr[3].getInt(numInstances);
fr += 5;
}
else
{
fr += 4;
}
DrawElementsUInt* prim = new DrawElementsUInt;
prim->setMode(mode);
prim->setNumInstances(numInstances);
prim->reserve(capacity);
while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
{
unsigned int i;
if (fr[0].getUInt(i))
{
prim->push_back(i);
++fr;
}
}
++fr;
geom.addPrimitiveSet(prim);
iteratorAdvanced = true;
}
return iteratorAdvanced;
}
Geode *ClipPlanePlugin::loadPlane()
{
// *5---*6---*7
// | | |
// *3--------*4
// | | |
// *0---*1---*2
float w = cover->getSceneSize() * 0.1; // width of plane
Vec3Array *lineCoords = new Vec3Array(12);
(*lineCoords)[0].set(-w, -0.01, -w);
(*lineCoords)[1].set(w, -0.01, -w);
(*lineCoords)[2].set(-w, -0.01, 0.0f);
(*lineCoords)[3].set(w, -0.01, 0.0f);
(*lineCoords)[4].set(-w, -0.01, w);
(*lineCoords)[5].set(w, -0.01, w);
(*lineCoords)[6].set(-w, -0.01, -w);
(*lineCoords)[7].set(-w, -0.01, w);
(*lineCoords)[8].set(0.0f, -0.01, -w);
(*lineCoords)[9].set(0.0f, -0.01, w);
(*lineCoords)[10].set(w, -0.01, -w);
(*lineCoords)[11].set(w, -0.01, w);
DrawArrayLengths *primitives = new DrawArrayLengths(PrimitiveSet::LINE_STRIP);
for (int i = 0; i < 6; i++)
{
primitives->push_back(2);
}
Vec3Array *lineColors = new Vec3Array(12);
for (int i = 0; i < 12; i++)
{
(*lineColors)[i].set(Vec3(1.0f, 1.0f, 1.0f));
}
Geometry *geoset = new Geometry();
geoset->setVertexArray(lineCoords);
geoset->addPrimitiveSet(primitives);
geoset->setColorArray(lineColors);
Material *mtl = new Material;
mtl->setColorMode(Material::AMBIENT_AND_DIFFUSE);
mtl->setAmbient(Material::FRONT_AND_BACK, Vec4(0.2f, 0.2f, 0.2f, 1.0f));
mtl->setDiffuse(Material::FRONT_AND_BACK, Vec4(0.9f, 0.9f, 0.9f, 1.0f));
mtl->setSpecular(Material::FRONT_AND_BACK, Vec4(0.9f, 0.9f, 0.9f, 1.0f));
mtl->setEmission(Material::FRONT_AND_BACK, Vec4(0.0f, 0.0f, 0.0f, 1.0f));
mtl->setShininess(Material::FRONT_AND_BACK, 16.0f);
Geode *geode = new Geode;
geode->setName("ClipPlane");
geode->addDrawable(geoset);
StateSet *geostate = geode->getOrCreateStateSet();
geostate->setAttributeAndModes(mtl, StateAttribute::ON);
geostate->setMode(GL_LIGHTING, StateAttribute::OFF);
LineWidth *lineWidth = new LineWidth(3.0);
geostate->setAttributeAndModes(lineWidth, StateAttribute::ON);
geode->setStateSet(geostate);
return geode;
}
osg::Node *JTOpenPlugin::createShape(JtkShape *partShape, const char *objName)
{
//cout << "JtkSHAPE\n";
Geode *geode = new Geode();
ref_ptr<Geometry> geom = new Geometry();
StateSet *geoState = geode->getOrCreateStateSet();
Vec3Array *vert = new Vec3Array;
Vec3Array *normalArray = new Vec3Array();
Vec3Array *colorArray = new Vec3Array();
Vec2Array *tcArray = new Vec2Array();
DrawArrayLengths *primitives = NULL;
if (partShape->typeID() == JtkEntity::JtkPOLYGONSET)
{
primitives = new DrawArrayLengths(PrimitiveSet::POLYGON);
}
else if (partShape->typeID() == JtkEntity::JtkLINESTRIPSET)
{
primitives = new DrawArrayLengths(PrimitiveSet::LINE_STRIP);
}
else if (partShape->typeID() == JtkEntity::JtkTRISTRIPSET)
{
primitives = new DrawArrayLengths(PrimitiveSet::TRIANGLE_STRIP);
}
else
{
cerr << "unknown partShape->typeID " << partShape->typeID() << endl;
}
geode->setName(objName);
if (primitives)
{
for (int set = 0; set < partShape->numOfSets(); set++)
{
float *vertex = NULL,
*normal = NULL,
*color = NULL,
*texture = NULL;
int vertexCount = -1,
normCount = -1,
colorCount = -1,
textCount = -1;
partShape->getInternal(vertex, vertexCount, normal, normCount,
color, colorCount, texture, textCount, set);
primitives->push_back(vertexCount);
// backFaceCulling nur dann, wenn es im CoviseConfig enabled ist
/*if(backFaceCulling && (mask & Viewer::MASK_SOLID))
{
CullFace *cullFace = new CullFace(); // da viele Modelle backface Culling nicht vertragen (nicht richtig modelliert sind)
cullFace->setMode(CullFace::BACK);
geoState->setAttributeAndModes(cullFace, StateAttribute::ON);
}
// already done in updateMaterial()
#if 0
if(Blended)
{
BlendFunc *blendFunc = new BlendFunc();
blendFunc->setFunction(BlendFunc::SRC_ALPHA, BlendFunc::ONE_MINUS_SRC_ALPHA);
geoState->setAttributeAndModes(blendFunc, StateAttribute::ON);
#if 1
AlphaFunc *alphaFunc = new AlphaFunc();
alphaFunc->setFunction(AlphaFunc::ALWAYS,1.0);
geoState->setAttributeAndModes(alphaFunc, StateAttribute::OFF);
#endif
}
#endif
#ifdef HAVE_OSGNV
if((strncmp(d_currentObject->node->name(),"combineTextures",15)==0)||(strncmp(objName,"combineTextures",15)==0))
{
geoState->setAttributeAndModes(combineTextures.get(), StateAttribute::ON);
}
if((strncmp(d_currentObject->node->name(),"combineEnvTextures",15)==0)||(strncmp(objName,"combineEnvTextures",15)==0))
{
geoState->setAttributeAndModes(combineEnvTextures.get(), StateAttribute::ON);
}
#endif*/
if (vertex && (vertexCount > 0))
{
for (int elems = 0; elems < vertexCount; elems++)
{
vert->push_back(Vec3(vertex[elems * 3 + 0], vertex[elems * 3 + 1], vertex[elems * 3 + 2]));
}
JtkEntityFactory::deleteMemory(vertex);
}
if (normal && (normCount > 0))
{
for (int elems = 0; elems < normCount; elems++)
{
normalArray->push_back(Vec3(normal[elems * 3 + 0], normal[elems * 3 + 1], normal[elems * 3 + 2]));
}
if (normCount == vertexCount)
{
}
else
{
//geom->setNormalBinding(Geometry::BIND_PER_PRIMITIVE);
std::cerr << "JTOpen: normals per primitive not supported" << std::endl;
}
JtkEntityFactory::deleteMemory(normal);
}
else // generate normals
{
}
if (color && (colorCount > 0))
{
for (int elems = 0; elems < colorCount; elems++)
{
colorArray->push_back(Vec3(color[elems * 3 + 0], color[elems * 3 + 1], color[elems * 3 + 2]));
}
if (colorCount == vertexCount)
{
}
else
{
//geom->setColorBinding(Geometry::BIND_PER_PRIMITIVE);
std::cerr << "JTOpen: colors per primitive not supported" << std::endl;
}
JtkEntityFactory::deleteMemory(color);
}
if (texture && (textCount > 0))
{
for (int elems = 0; elems < textCount; elems++)
{
tcArray->push_back(Vec2(texture[elems * 2 + 0], texture[elems * 2 + 1]));
}
JtkEntityFactory::deleteMemory(texture);
}
/* if(!(mask & Viewer::MASK_CONVEX))
{
osgUtil::Tesselator *tess = new osgUtil::Tesselator;
tess->retesselatePolygons(*geom);
//delete[] tess;
}*/
// if enabled, generate tri strips, but not for animated objects
// if(genStrips && strncmp(objName, "Animated", 8))
{
// d_stripper->stripify(*geom);
}
}
geom->setVertexArray(vert);
geom->addPrimitiveSet(primitives);
if (normalArray->size() > 0)
{
geom->setNormalArray(normalArray);
geom->setNormalBinding(Geometry::BIND_PER_VERTEX);
}
if (colorArray->size() > 0)
{
geom->setColorArray(colorArray);
geom->setColorBinding(Geometry::BIND_PER_VERTEX);
}
if (tcArray->size() > 0)
geom->setTexCoordArray(0, tcArray);
if (normalArray->size() == 0)
{
osgUtil::SmoothingVisitor::smooth(*(geom.get()), 40.0 / 180.0 * M_PI);
}
geode->addDrawable(geom.get());
geode->setStateSet(geoState);
return geode;
}
return NULL;
}
void Wire::cutWire(osg::Vec3 normal, float dist)
{
normal.normalize();
DrawArrayLengths *newPrimitives = new DrawArrayLengths(PrimitiveSet::POLYGON);
UShortArray *newIndices = new UShortArray();
int startIndex = 0;
int index = vert->getNumElements();
for (unsigned int i = 0; i < primitives->getNumPrimitives(); i++)
{
float oldd = -1;
int numInd = 0;
for (int v = 0; v < (*primitives)[i]; v++)
{
osg::Vec3 p = (*vert)[indices->index(startIndex + v)];
float d = (p - normal * dist) * normal;
/* Grundidee:
* wir laufen allen Punkte von jedem Polygon einmal
* durch; liegt der Punkte im "Verbleib" Bereich, wird
* wird er einfach kopiert, liegt er ausserhalb, dann
* wird er weggelassen
* !! Immer wenn ein Wechsel zwischen "verbleibt" und\
* und "weglassen" erfolgt, dann muss mindestens ein
* zusaetzlicher Punkt eingefuegt werden.
*/
if (v == 0 && d >= 0)
{
newIndices->push_back((*indices)[startIndex + v]);
numInd++;
}
else
{
if (d < 0)
{
if (oldd > 0)
{
osg::Vec3 b = (*vert)[(*indices)[startIndex + v - 1]];
osg::Vec3 r = p - b;
float t = (dist - normal * p) / (normal * r);
osg::Vec3 newP = p + r * t;
osg::Vec3 n1 = (*normals)[(*indices)[startIndex + v]];
osg::Vec3 n2 = (*normals)[(*indices)[startIndex + v - 1]];
osg::Vec3 newN = n1 + (n1 - n2) * t;
vert->push_back(newP);
normals->push_back(newN);
newIndices->push_back(index);
index++;
numInd++;
}
else
{
}
}
else
{
if (oldd < 0)
{
osg::Vec3 b = (*vert)[(*indices)[startIndex + v - 1]];
osg::Vec3 r = p - b;
float t = (dist - normal * p) / (normal * r);
osg::Vec3 newP = p + r * t;
osg::Vec3 n1 = (*normals)[(*indices)[startIndex + v]];
osg::Vec3 n2 = (*normals)[(*indices)[startIndex + v - 1]];
osg::Vec3 newN = n1 + (n1 - n2) * t;
vert->push_back(newP);
normals->push_back(newN);
newIndices->push_back(index);
index++;
numInd++;
}
newIndices->push_back((*indices)[startIndex + v]);
numInd++;
}
}
oldd = d;
}
osg::Vec3 p = (*vert)[indices->index(startIndex)];
float d = (p - normal * dist) * normal;
if (d < 0)
{
if (oldd > 0)
{
osg::Vec3 b = (*vert)[(*indices)[startIndex + (*primitives)[i] - 1]];
osg::Vec3 r = p - b;
float t = (dist - normal * p) / (normal * r);
osg::Vec3 newP = p + r * t;
osg::Vec3 n1 = (*normals)[(*indices)[startIndex]];
osg::Vec3 n2 = (*normals)[(*indices)[startIndex + (*primitives)[i] - 1]];
osg::Vec3 newN = n1 + (n1 - n2) * t;
vert->push_back(newP);
normals->push_back(newN);
newIndices->push_back(index);
index++;
numInd++;
}
}
else
{
if (oldd < 0)
{
osg::Vec3 b = (*vert)[(*indices)[startIndex + (*primitives)[i] - 1]];
osg::Vec3 r = p - b;
float t = (dist - normal * p) / (normal * r);
osg::Vec3 newP = p + r * t;
osg::Vec3 n1 = (*normals)[(*indices)[startIndex]];
osg::Vec3 n2 = (*normals)[(*indices)[startIndex + (*primitives)[i] - 1]];
osg::Vec3 newN = n1 + (n1 - n2) * t;
vert->push_back(newP);
normals->push_back(newN);
newIndices->push_back(index);
index++;
numInd++;
}
}
newPrimitives->push_back(numInd);
startIndex += (*primitives)[i];
}
geom->setVertexIndices(newIndices);
geom->setNormalIndices(newIndices);
geom->removePrimitiveSet(0, geom->getNumPrimitiveSets());
geom->addPrimitiveSet(newPrimitives);
primitives = newPrimitives;
indices = newIndices;
// calcColors();
geom->dirtyBound();
geom->dirtyDisplayList();
}
