// ***************************************************************************
void CTransformShape::traverseLoadBalancingPass0()
{
CLoadBalancingTrav &loadTrav= getOwnerScene()->getLoadBalancingTrav();
CSkeletonModel *skeleton= getSkeletonModel();
// World Model position
const CVector *modelPos;
// If this isntance is binded or skinned to a skeleton, take the world matrix of this one as
// center for LoadBalancing Resolution.
if(skeleton)
{
// Take the root bone of the skeleton as reference (bone 0)
// And so get our position.
modelPos= &skeleton->Bones[0].getWorldMatrix().getPos();
}
else
{
// get our position from
modelPos= &getWorldMatrix().getPos();
}
// Then compute distance from camera.
float modelDist= ( loadTrav.CamPos - *modelPos).norm();
// Get the number of triangles this model use now.
_FaceCount= getNumTriangles(modelDist);
_LoadBalancingGroup->addNbFacesPass0(_FaceCount);
}
void Writer::writeTrianglesRaw(size_type first, size_type count, const std::tr1::uint8_t *data)
{
MLSGPU_ASSERT(isOpen(), state_error);
MLSGPU_ASSERT(first + count <= getNumTriangles() && first <= std::numeric_limits<size_type>::max() - count, std::out_of_range);
Statistics::Timer timer(writeTrianglesTime);
handle->write(data, count * triangleSize, triangleStart + first * triangleSize);
}
void TriMesh::recalculateNormals()
{
mNormals.assign( mVertices.size(), Vec3f::zero() );
size_t n = getNumTriangles();
for( size_t i = 0; i < n; ++i ) {
uint32_t index0 = mIndices[i * 3];
uint32_t index1 = mIndices[i * 3 + 1];
uint32_t index2 = mIndices[i * 3 + 2];
Vec3f v0 = mVertices[ index0 ];
Vec3f v1 = mVertices[ index1 ];
Vec3f v2 = mVertices[ index2 ];
Vec3f e0 = v1 - v0;
Vec3f e1 = v2 - v0;
Vec3f normal = e0.cross(e1).normalized();
mNormals[ index0 ] += normal;
mNormals[ index1 ] += normal;
mNormals[ index2 ] += normal;
}
std::for_each( mNormals.begin(), mNormals.end(), std::mem_fun_ref(&Vec3f::normalize) );
}
//==============================================================================
void cTriangleArray::compress()
{
// get number of allocated triangles
unsigned int numTriangles = getNumTriangles();
// remove non allocated triangles
unsigned j=-1;
for (int i=0; i<numTriangles; i++)
{
if (getAllocated(i))
{
j++;
if (i!=j)
{
unsigned int index0 = getVertexIndex0(i);
unsigned int index1 = getVertexIndex1(i);
unsigned int index2 = getVertexIndex2(i);
m_allocated[j] = true;
setVertices(j, index0, index1, index2);
}
}
}
// resize arrays
unsigned size = j+1;
m_allocated.resize(size);
m_indices.resize(3*size);
}
bool PViewData::writeSTL(const std::string &fileName)
{
FILE *fp = Fopen(fileName.c_str(), "w");
if(!fp){
Msg::Error("Unable to open file '%s'", fileName.c_str());
return false;
}
if(!getNumTriangles() && !getNumQuadrangles()){
Msg::Error("No surface elements to save");
fclose(fp);
return false;
}
int step = getFirstNonEmptyTimeStep();
fprintf(fp, "solid Created by Gmsh\n");
for(int ent = 0; ent < getNumEntities(step); ent++){
for(int ele = 0; ele < getNumElements(step, ent); ele++){
if(getDimension(step, ent, ele) != 2) continue;
if(skipElement(step, ent, ele)) continue;
int N = getNumNodes(step, ent, ele);
if(N != 3 && N != 4) continue;
double x[4], y[4], z[4], n[3];
for(int i = 0; i < N; i++)
getNode(step, ent, ele, i, x[i], y[i], z[i]);
normal3points(x[0], y[0], z[0], x[1], y[1], z[1], x[2], y[2], z[2], n);
if(N == 3){
fprintf(fp, "facet normal %g %g %g\n", n[0], n[1], n[2]);
fprintf(fp, " outer loop\n");
fprintf(fp, " vertex %g %g %g\n", x[0], y[0], z[0]);
fprintf(fp, " vertex %g %g %g\n", x[1], y[1], z[1]);
fprintf(fp, " vertex %g %g %g\n", x[2], y[2], z[2]);
fprintf(fp, " endloop\n");
fprintf(fp, "endfacet\n");
}
else{
fprintf(fp, "facet normal %g %g %g\n", n[0], n[1], n[2]);
fprintf(fp, " outer loop\n");
fprintf(fp, " vertex %g %g %g\n", x[0], y[0], z[0]);
fprintf(fp, " vertex %g %g %g\n", x[1], y[1], z[1]);
fprintf(fp, " vertex %g %g %g\n", x[2], y[2], z[2]);
fprintf(fp, " endloop\n");
fprintf(fp, "endfacet\n");
fprintf(fp, "facet normal %g %g %g\n", n[0], n[1], n[2]);
fprintf(fp, " outer loop\n");
fprintf(fp, " vertex %g %g %g\n", x[0], y[0], z[0]);
fprintf(fp, " vertex %g %g %g\n", x[2], y[2], z[2]);
fprintf(fp, " vertex %g %g %g\n", x[3], y[3], z[3]);
fprintf(fp, " endloop\n");
fprintf(fp, "endfacet\n");
}
}
}
fprintf(fp, "endsolid Created by Gmsh\n");
fclose(fp);
return true;
}
void Writer::writeTrianglesRaw(
Timeplot::Worker &tworker,
size_type first, size_type count,
const boost::shared_ptr<AsyncWriterItem> &data,
AsyncWriter &async)
{
MLSGPU_ASSERT(isOpen(), state_error);
MLSGPU_ASSERT(first + count <= getNumTriangles() && first <= std::numeric_limits<size_type>::max() - count, std::out_of_range);
async.push(tworker, data, handle, count * triangleSize, triangleStart + first * triangleSize);
}
void Writer::open(const std::string &filename)
{
MLSGPU_ASSERT(!isOpen(), state_error);
handle = handleFactory();
handle->open(filename);
std::string header = makeHeader();
handle->resize(header.size() + getNumVertices() * vertexSize + getNumTriangles() * triangleSize);
handle->write(header.data(), header.size(), 0);
vertexStart = header.size();
triangleStart = vertexStart + getNumVertices() * vertexSize;
}
char BaseMesh::selectComponent(IntersectionContext * ctx) const
{
Vector3F threeCorners[3];
unsigned fvi[3];
const unsigned nf = getNumTriangles();
for(unsigned i = 0; i < nf; i++) {
getTriangle(i, fvi);
threeCorners[0] = _vertices[fvi[0]];
threeCorners[1] = _vertices[fvi[1]];
threeCorners[2] = _vertices[fvi[2]];
if(triangleIntersect(threeCorners, ctx)) {
ctx->m_componentIdx = BaseMesh::closestVertex(i, ctx->m_hitP);;
return 1;
}
}
return 0;
}
void Writer::writeTriangles(size_type first, size_type count, const std::tr1::uint32_t *data)
{
MLSGPU_ASSERT(isOpen(), state_error);
MLSGPU_ASSERT(first + count <= getNumTriangles() && first <= std::numeric_limits<size_type>::max() - count, std::out_of_range);
Statistics::Timer timer(writeTrianglesTime);
BinaryWriter::offset_type pos = triangleStart + first * triangleSize;
while (count > 0)
{
const unsigned int bufferTriangles = 8192;
char buffer[bufferTriangles * triangleSize];
char *ptr = buffer;
unsigned int triangles = std::min(size_type(bufferTriangles), count);
for (unsigned int i = 0; i < triangles; i++, ptr += triangleSize, data += 3)
{
ptr[0] = 3;
std::memcpy(ptr + 1, data, 3 * sizeof(data[0]));
}
pos += handle->write(buffer, ptr - buffer, pos);
count -= triangles;
}
}
void BaseMesh::verbose() const
{
std::cout<<"mesh status:\n";
std::cout<<" num vertices "<<getNumVertices()<<"\n";
std::cout<<" num polygons "<<getNumPolygons()<<"\n";
std::map<unsigned, unsigned> faceCountList;
for(unsigned i = 0; i < getNumPolygons(); i++) {
if(faceCountList.find(m_polygonCounts[i]) == faceCountList.end()) faceCountList[m_polygonCounts[i]] = 1;
else faceCountList[m_polygonCounts[i]] += 1;
}
std::map<unsigned, unsigned>::const_iterator it = faceCountList.begin();
for(; it != faceCountList.end(); ++it) {
std::clog<<" "<<(*it).second<<" "<<(*it).first<<"-sided faces\n";
}
std::cout<<" num polygon face vertices "<<getNumPolygonFaceVertices()<<"\n";
std::cout<<" num triangles "<<getNumTriangles()<<"\n";
std::cout<<" num quads "<<numQuads()<<"\n";
std::cout<<" num uvs "<<getNumUVs()<<"\n";
std::cout<<" num uvs indices "<<getNumUVIds()<<"\n";
}
//==============================================================================
cTriangleArrayPtr cTriangleArray::copy()
{
// create new array of triangles
cTriangleArrayPtr triangleArray = cTriangleArray::create(m_vertices);
// get number of allocated triangles
unsigned int numTriangles = getNumTriangles();
// copy every allocated triangle
for (unsigned int i=0; i<numTriangles; i++)
{
if (getAllocated(i))
{
unsigned int index0 = getVertexIndex0(i);
unsigned int index1 = getVertexIndex1(i);
unsigned int index2 = getVertexIndex2(i);
triangleArray->newTriangle(index0, index1, index2);
}
}
// return new triangle array
return (triangleArray);
}
void Geometry::write(IResource* resource)
{
ChunkHeader geometryHeader( BA_GEOMETRY, sizeof( Chunk ) );
geometryHeader.write( resource );
Chunk chunk;
chunk.id = (auid)( this );
memset( chunk.name, 0, engine::maxNameLength );
if( _name.length() > engine::maxNameLength )
{
strncpy( chunk.name, _name.c_str(), engine::maxNameLength - 1 );
}
else
{
strcpy( chunk.name, _name.c_str() );
}
chunk.numShaders = getNumShaders();
chunk.numVertices = getNumVertices();
chunk.numUVSets = getNumUVSets();
chunk.numPrelights = getNumPrelights();
chunk.numTriangles = getNumTriangles();
chunk.sharedShaders = _sharedShaders;
if( _ocTreeRoot )
{
chunk.numOcTreeSectors = _ocTreeRoot->getOcTreeSize();
}
else
{
chunk.numOcTreeSectors = 0;
}
chunk.hasEffect = ( _effect != NULL );
fwrite( &chunk, sizeof( Chunk ), 1, resource->getFile() );
// write shaders
if( !_sharedShaders ) for( int i=0; i<getNumShaders(); i++ )
{
_shaders[i]->write( resource );
}
// write vertices
ChunkHeader verticesHeader( BA_BINARY, sizeof(Vector) * getNumVertices() );
verticesHeader.write( resource );
fwrite( getVertices(), verticesHeader.size, 1, resource->getFile() );
// write normals
ChunkHeader normalsHeader( BA_BINARY, sizeof(Vector) * getNumVertices() );
normalsHeader.write( resource );
fwrite( getNormals(), normalsHeader.size, 1, resource->getFile() );
// write UV-sets
int i;
for( i=0; i<getNumUVSets(); i++ )
{
ChunkHeader uvsHeader( BA_BINARY, sizeof(Flector) * getNumVertices() );
uvsHeader.write( resource );
fwrite( getUVSet(i), uvsHeader.size, 1, resource->getFile() );
}
// write prelights
for( i=0; i< getNumPrelights(); i++ )
{
ChunkHeader prelightsHeader( BA_BINARY, sizeof(Color) * getNumVertices() );
prelightsHeader.write( resource );
fwrite( getPrelights(i), prelightsHeader.size, 1, resource->getFile() );
}
// write triangles
ChunkHeader trianglesHeader( BA_BINARY, sizeof(Triangle) * getNumTriangles() );
trianglesHeader.write( resource );
fwrite( getTriangles(), trianglesHeader.size, 1, resource->getFile() );
// write shaders
if( !_sharedShaders )
{
ChunkHeader shadersHeader( BA_BINARY, sizeof(auid) * getNumShaders() );
shadersHeader.write( resource );
fwrite( _shaders, shadersHeader.size, 1, resource->getFile() );
}
// write octree
if( _ocTreeRoot )
{
_ocTreeRoot->write( resource );
}
// write effect
if( chunk.hasEffect )
{
reinterpret_cast<Effect*>( _effect )->write( resource );
}
}
unsigned BaseMesh::getNumFaces() const
{
return getNumTriangles();
}
// @todo remove ... or just remove this complete class
void VertexData::debugDraw(int drawMode) {
#if ROXLU_GL_MODE != ROXLU_GL_STRICT
glPushAttrib(GL_ALL_ATTRIB_BITS);
glDisable(GL_TEXTURE_2D);
glUseProgram(0);
glEnable(GL_DEPTH_TEST);
// we adjust the size of the normals lines dynamically
float line_length = 0.2;
if(vertices.size() > 2) {
float length = (vertices[1] - vertices[2]).length();
if(length >= 3) {
line_length = 3.2;
}
}
float colors[4][3] = {
{0.88,0.25,0.11}
,{0.6,0.78,0.212}
,{0.2,0.65,0.698}
,{0.94,0.72,0.29}
};
// draw using indices
if(getNumTriangles() > 0) {
// triangles (fills)
Triangle tri;
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glColor3f(0.8,0.8,0.8);
glBegin(GL_TRIANGLES);
for(int i = 0; i < triangles.size(); ++i) {
tri = triangles[i];
glVertex3fv(vertices[tri.va].getPtr());
glVertex3fv(vertices[tri.vb].getPtr());
glVertex3fv(vertices[tri.vc].getPtr());
}
glEnd();
// triangles lines.
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glColor3f(0.1,0.1,0.1);
glBegin(GL_TRIANGLES);
for(int i = 0; i < triangles.size(); ++i) {
tri = triangles[i];
glVertex3fv(vertices[tri.va].getPtr());
glVertex3fv(vertices[tri.vb].getPtr());
glVertex3fv(vertices[tri.vc].getPtr());
}
glEnd();
// normals, tangents and binormals
bool draw_normals= true;
bool draw_tangents = true;
bool draw_binormals = true;
float s = 0.2;
glBegin(GL_LINES);
for(int i = 0; i < triangles.size(); ++i) {
tri = triangles[i];
// normal - a
if(draw_normals && tri.na) {
glColor3f(0,1,1);
glVertex3fv(vertices[tri.va].getPtr());
glVertex3fv((vertices[tri.va]+normals[tri.na]*s).getPtr());
}
// tangent - a
if(draw_tangents && tri.ta) {
glColor3f(1,0,0);
glVertex3fv(vertices[tri.va].getPtr());
glVertex3fv((vertices[tri.va]+(tangents[tri.ta]*s)).getPtr());
}
// binormal - a
if(draw_binormals && tri.ba) {
glColor3f(0,1,0);
glVertex3fv(vertices[tri.va].getPtr());
glVertex3fv((vertices[tri.va]+(binormals[tri.ba]*s)).getPtr());
}
// normal - b
if(draw_normals && tri.nb) {
glColor3f(0,1,1);
glVertex3fv(vertices[tri.vb].getPtr());
glVertex3fv((vertices[tri.vb]+normals[tri.nb]*s).getPtr());
}
// tangent - b
if(draw_tangents && tri.tb) {
glColor3f(1,0,0);
glVertex3fv(vertices[tri.vb].getPtr());
glVertex3fv((vertices[tri.vb]+(tangents[tri.tb]*s)).getPtr());
}
// binormal - b
if(draw_binormals && tri.bb) {
glColor3f(0,1,0);
glVertex3fv(vertices[tri.vb].getPtr());
glVertex3fv((vertices[tri.vb]+(binormals[tri.bb]*s)).getPtr());
}
// normal - c
if(draw_normals && tri.nc) {
glColor3f(0,1,1);
glVertex3fv(vertices[tri.vc].getPtr());
glVertex3fv((vertices[tri.vc]+normals[tri.nc]*s).getPtr());
}
// tangent - c
if(draw_tangents && tri.tc) {
glColor3f(1,0,0);
glVertex3fv(vertices[tri.vc].getPtr());
glVertex3fv((vertices[tri.vc]+(tangents[tri.tc]*s)).getPtr());
}
// binormal - c
if(draw_binormals && tri.bc) {
glColor3f(0,1,0);
glVertex3fv(vertices[tri.vc].getPtr());
glVertex3fv((vertices[tri.vc]+(binormals[tri.bc]*s)).getPtr());
}
}
glEnd();
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
else if(getNumIndices() > 0) {
if(getNumTexCoords() > 0) {
int len = indices.size();
glBegin(drawMode);
for(int i = 0; i < len; ++i) {
glTexCoord2fv(texcoords[indices[i]].getPtr());
glVertex3fv(vertices[indices[i]].getPtr());
}
glEnd();
}
else {
int len = indices.size();
int mod = (drawMode == GL_QUADS) ? 4 : 3;
Vec4 colors[4];
colors[0].set(1,0,0, 0.8);
colors[1].set(0,1,0, 0.8);
colors[2].set(0,0,1, 0.8);
colors[3].set(1,1,0, 0.8);
glBegin(drawMode);
for(int i = 0; i < len; ++i) {
glColor4fv(colors[i%mod].getPtr());
glVertex3fv(vertices[indices[i]].getPtr());
}
glEnd();
if(normals.size() > 0) {
glBegin(GL_LINES);
for(int i = 0; i < len; ++i) {
int dx = indices[i];
//printf("%d <--\n", dx);
Vec3 pos = vertices[dx];
Vec3 norm = normals[dx];
Vec3 end = pos + (norm.scale(line_length*2));
glColor4f(1.0f,0.0f,0.4f,1.0f);
glColor4f(0.98, 0.92, 0.75, 0.6);
glVertex3fv(pos.getPtr());
glColor4f(1.0f, 0.0f,1.0f,1.0f);
glColor3f(0.98, 0.92, 0.75);
glColor4f(0.98, 0.92, 0.75,0.6);
glVertex3fv(end.getPtr());
}
glEnd();
}
}
}
// w/o indices
else {
glColor4f(1,1,1,1);
glUseProgram(0);
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
bool draw_texture = false;
bool draw_tangents = true;
bool draw_normals = true;
bool draw_binormals = true;
if(draw_texture && getNumTexCoords() > 0) {
glColor3f(0.98, 0.92, 0.75); // yellowish
int len = vertices.size();
glEnable(GL_TEXTURE_2D);
glBegin(drawMode);
for(int i = 0; i < len; ++i) {
int parts = 3;
if(drawMode == GL_QUADS) {
parts = 4;
}
glColor3fv(colors[i%parts]);
glTexCoord2fv(texcoords[i].getPtr());
glVertex3fv(vertices[i].getPtr());
}
glEnd();
glDisable(GL_TEXTURE_2D);
}
else {
// shape
//glColor3f(0.98, 0.92, 0.75); // yellowish
glColor3f(0.8,0.8,0.8);
glBegin(drawMode);
vector<Vec3>::iterator it = vertices.begin();
float len = vertices.size();
while(it != vertices.end()) {
glVertex3fv((*it).getPtr());
++it;
}
glEnd();
}
// normals.
int len = normals.size();
if(draw_normals && len == vertices.size()) {
glColor3f(0,1,1);
glLineWidth(3.0);
glBegin(GL_LINES);
for(int i = 0; i < len; ++i) {
Vec3 pos = vertices[i];
Vec3 norm = normals[i];
norm.normalize();
Vec3 end = pos + (norm.scale(line_length));
glVertex3fv(pos.getPtr());
glVertex3fv(end.getPtr());
}
glEnd();
}
// tangents
if(draw_tangents && tangents.size() > 0) {
glLineWidth(3.0);
glColor3f(1.0f,0.0f,0.0f);
int len = tangents.size();
glBegin(GL_LINES);
for(int i = 0; i < len; ++i) {
Vec3 pos = vertices[i];
Vec3 norm = tangents[i];
norm.normalize();
Vec3 end = pos + (norm.scale(line_length));
glVertex3fv(pos.getPtr());
glVertex3fv(end.getPtr());
};
glEnd();
}
// binormals
if(draw_binormals && binormals.size() > 0) {
glLineWidth(3.0);
glColor4f(0.0f,1.0f,0.0f,1.0f);
int len = tangents.size();
glBegin(GL_LINES);
for(int i = 0; i < len; ++i) {
Vec3 pos = vertices[i];
Vec3 binorm = binormals[i].normalize();
Vec3 end = pos + (binorm.scale(line_length));
glVertex3fv(pos.getPtr());
glVertex3fv(end.getPtr());
};
glEnd();
}
// draw lines
glPolygonOffset(-1.0f, -1.0f);
glEnable(GL_POLYGON_OFFSET_LINE);
glEnable(GL_LINE_SMOOTH);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glLineWidth(0.5f);
glDisable(GL_TEXTURE_2D);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glColor3f(0.4,0.4,0.4);
glBegin(drawMode);
for(int i = 0; i < vertices.size(); ++i) {
glVertex3fv(vertices[i].getPtr());
}
glEnd();
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glEnable(GL_TEXTURE_2D);
glDisable(GL_POLYGON_OFFSET_LINE);
glLineWidth(1.0f);
glDisable(GL_BLEND);
glDisable(GL_LINE_SMOOTH);
glColor3f(1,1,1);
}
// if(!blend_enabled) {
// glDisable(GL_BLEND);
// }
glPopAttrib();
#endif // roxlu_gl_variant
}
