void StaticMesh::init( MeshBufferPtr mesh )
{
size_t n_colors;
size_t n_normals;
m_lineWidth = 2.0;
if(mesh)
{
m_faceNormals = 0;
m_normals = mesh->getVertexNormalArray(n_normals);
m_colors = mesh->getVertexColorArray(n_colors);
m_vertices = mesh->getVertexArray(m_numVertices);
m_faces = mesh->getFaceArray(m_numFaces);
m_blackColors = new unsigned char[ 3 * m_numVertices ];
for ( size_t i = 0; i < 3 * m_numVertices; i++ )
{
m_blackColors[i] = 0;
}
m_finalized = true;
m_visible = true;
m_active = true;
m_renderMode = 0;
m_renderMode |= RenderSurfaces;
m_renderMode |= RenderTriangles;
m_boundingBox = new BoundingBox<Vertex<float> >;
if(!m_faceNormals)
{
interpolateNormals();
} else
{
// cout << "Face normals: " << m_faceNormals << endl;
}
if(!m_colors)
{
setDefaultColors();
}
if(n_colors == 0)
{
m_colors = ucharArr( new unsigned char[3 * m_numVertices] );
for( int i = 0; i < m_numVertices; ++i )
{
m_colors[3 * i] = 0;
m_colors[3 * i + 1] = 255;
m_colors[3 * i + 2] = 0;
}
}
}
}
//-----------------------------------------------------------------------------
void RenderableObject::Use(VideoDriverPtr pDriver) const
{
pDriver->Begin();
const unsigned int n = (unsigned int)m_MeshBuffers.size();
for (unsigned int i=0; i<n; ++i)
{
MeshBufferPtr pMeshBuffer = m_MeshBuffers[i];
pDriver->SetShaderProgram(m_Materials[i]->GetShaderProgram());
pDriver->SetVertexDeclaration(pMeshBuffer->GetVertexDeclaration());
for (unsigned int j=0; j<pMeshBuffer->GetNumVertexBuffers(); j++)
{
const MeshBuffer::StreamIndexArray& StreamNumbers = pMeshBuffer->GetStreamIndices();
const MeshBuffer::DriverVertexBufferArray& DriverVertexBuffers = pMeshBuffer->GetDriverVertexBuffers();
const MeshBuffer::VertexBufferArray& VertexBuffers = pMeshBuffer->GetVertexBuffers();
pDriver->SetVertexStream(StreamNumbers[j], DriverVertexBuffers[j], VertexBuffers[j]->GetVertexSize());
pDriver->DrawIndexedTriangleList(pMeshBuffer->GetDriverIndexBuffer(), VertexBuffers[j]->GetNumVertices(),
pMeshBuffer->GetIndexBuffer()->GetNumIndices()/3);
}
}
pDriver->End();
}
ClusterVisualizer::ClusterVisualizer(string filename)
{
ifstream in(filename.c_str());
// Check!
if(!in.good()) return;
MeshCluster* cluster = new MeshCluster;
// Read sub meshes
while(in.good())
{
string cluster_name;
int num_faces;
int num_vertices;
// Read 'header'
in >> cluster_name;
in >> num_faces >> num_vertices;
BoundingBox<Vertex<float> > bb;
// Alloc buffers
if(num_faces && num_vertices)
{
floatArr vertices(new float[3 * num_vertices]);
floatArr normals(new float[3 * num_vertices]);
ucharArr colors(new uchar[3 * num_vertices]);
uintArr indices(new uint[3 * num_faces]);
// Read indices
for(int i = 0; i < num_faces; i++)
{
int pos = 3 * i;
uint a, b, c;
in >> a >> b >> c;
indices[pos ] = a;
indices[pos + 1] = b;
indices[pos + 2] = c;
}
// Read vertices, normals and colors
for(int i = 0; i < num_vertices; i++)
{
int pos = 3 * i;
float x, y, z, nx, ny, nz;
int r, g, b;
in >> x >> y >> z >> nx >> ny >> nz >> r >> g >> b;
vertices[pos ] = x;
vertices[pos + 1] = y;
vertices[pos + 2] = z;
normals[pos ] = nx;
normals[pos + 1] = ny;
normals[pos + 2] = nz;
colors[pos ] = (uchar)r;
colors[pos + 1] = (uchar)g;
colors[pos + 2] = (uchar)b;
bb.expand(x, y, z);
}
// Create Buffer
MeshBufferPtr* buffer = new MeshBufferPtr(new MeshBuffer);
buffer->get()->setVertexArray(vertices, num_vertices);
buffer->get()->setVertexNormalArray(normals, num_vertices);
buffer->get()->setVertexColorArray(colors, num_vertices);
buffer->get()->setFaceArray(indices, num_faces);
cluster->boundingBox()->expand(bb);
cluster->addMesh(*buffer, cluster_name);
}
}
void STLIO::save( ModelPtr model, string filename )
{
MeshBufferPtr mesh = model->m_mesh;
size_t n_vert;
size_t n_faces;
floatArr vertices = mesh->getVertexArray(n_vert);
uintArr indices = mesh->getFaceArray(n_faces);
std::string header_info = "Created by LVR";
char head[80];
std::strncpy(head,header_info.c_str(),sizeof(head)-1);
char attribute[2] = "0";
std::ofstream myfile(filename.c_str());
myfile.write(head,sizeof(head));
myfile.write((char*)&n_faces,4);
if(myfile.good())
{
for(int i = 0; i < n_faces; i++)
{
int a = (int)indices[3 * i];
int b = (int)indices[3 * i + 1];
int c = (int)indices[3 * i + 2];
Vertexf v1;
Vertexf v2;
Vertexf v3;
v1.x = vertices[3 * a];
v1.y = vertices[3 * a + 1];
v1.z = vertices[3 * a + 2];
v2.x = vertices[3 * b];
v2.y = vertices[3 * b + 1];
v2.z = vertices[3 * b + 2];
v3.x = vertices[3 * c];
v3.y = vertices[3 * c + 1];
v3.z = vertices[3 * c + 2];
Normalf normal( (v1 - v2).cross(v1 - v3));
myfile.write( (char*)&normal.x, 4);
myfile.write( (char*)&normal.y, 4);
myfile.write( (char*)&normal.z, 4);
myfile.write( (char*)&v1.x, 4);
myfile.write( (char*)&v1.y, 4);
myfile.write( (char*)&v1.z, 4);
myfile.write( (char*)&v2.x, 4);
myfile.write( (char*)&v2.y, 4);
myfile.write( (char*)&v2.z, 4);
myfile.write( (char*)&v3.x, 4);
myfile.write( (char*)&v3.y, 4);
myfile.write( (char*)&v3.z, 4);
uint16_t u = 0;
myfile.write( (char*)attribute, 2 );
}
}
else
{
cout << timestamp << "Could not open file " << filename << " for writing." << endl;
}
}
ModelPtr ObjIO::read( string filename ) // TODO: Format correctly
{
ifstream f (filename.c_str());
if (!f.is_open())
{
cerr << timestamp << "File '" << filename << "' could not be opened." << endl;
return ModelPtr( new Model );
}
f.close();
char *fn = const_cast<char *>(filename.c_str());
objLoader *objData = new objLoader();
objData->load(fn);
// Buffer count variables
size_t numVertices = objData->vertexCount;
size_t numVertexNormals = objData->normalCount;
size_t numFaces = objData->faceCount;
size_t numTextures = objData->textureCount;
size_t numSpheres = objData->sphereCount;
size_t numPlanes = objData->planeCount;
size_t numPointLights = objData->lightPointCount;
size_t numDiscLights = objData->lightDiscCount;
size_t numQuadLights = objData->lightQuadCount;
size_t numMaterials = objData->materialCount;
size_t numVertexColors = 0; // TODO: Set
// Some output
cout << timestamp << "Number of vertices: " << numVertices << endl;
cout << timestamp << "Number of vertex normals: " << numVertexNormals << endl;
cout << timestamp << "Number of vertex colors: " << numVertexColors << endl;
cout << timestamp << "Number of faces: " << numFaces << endl;
cout << timestamp << "Number of texture coordinates: " << numTextures << endl;
cout << timestamp << "Number of spheres: " << numSpheres << endl;
cout << timestamp << "Number of planes: " << numPlanes << endl;
cout << timestamp << "Number of point lights: " << numPointLights << endl;
cout << timestamp << "Number of disc lights: " << numDiscLights << endl;
cout << timestamp << "Number of quad lights: " << numQuadLights << endl;
cout << timestamp << "Number of materials: " << numMaterials << endl;
if(objData->camera != NULL)
{
cout << timestamp << "Found a camera" << endl;
}
cout << endl;
// Buffers
floatArr vertices;
floatArr vertexNormals;
ucharArr vertexColors;
uintArr faceIndices;
// Allocate memory
if ( numVertices )
{
vertices = floatArr( new float[ numVertices * 3 ] );
}
if ( numVertexNormals )
{
vertexNormals = floatArr( new float[ numVertices * 3 ] );
}
if ( numVertexColors )
{
vertexColors = ucharArr( new uchar[ numVertexColors * 3 ] );
}
if ( numFaces )
{
faceIndices = uintArr( new unsigned int[ numFaces * 3 ] );
}
// vertices
for(int i = 0; i < numVertices; ++i)
{
obj_vector *o = objData->vertexList[i];
vertices[ i * 3 ] = o->e[ 0 ];
vertices[ i * 3 + 1 ] = o->e[ 1 ];
vertices[ i * 3 + 2 ] = o->e[ 2 ];
}
// normals
for(int i = 0; i < numVertexNormals; ++i)
{
obj_vector *o = objData->normalList[i];
vertexNormals[ i * 3 ] = o->e[ 0 ];
vertexNormals[ i * 3 + 1 ] = o->e[ 1 ];
vertexNormals[ i * 3 + 2 ] = o->e[ 2 ];
}
// colors
for(int i = 0; i < numVertexColors; ++i)
{
vertexColors[ i * 3 ] = 255;
vertexColors[ i * 3 + 1] = 0;
vertexColors[ i * 3 + 2] = 0;
}
// faces
for(int i = 0; i < numFaces; ++i)
{
obj_face *o = objData->faceList[ i ];
faceIndices[ i * 3 ] = o->vertex_index[ 0 ];
faceIndices[ i * 3 + 1 ] = o->vertex_index[ 1 ];
faceIndices[ i * 3 + 2 ] = o->vertex_index[ 2 ];
}
// delete obj data object
delete(objData);
// Save buffers in model
MeshBufferPtr mesh;
if(vertices)
{
mesh = MeshBufferPtr( new MeshBuffer );
mesh->setVertexArray( vertices, numVertices );
mesh->setVertexNormalArray( vertexNormals, numVertexNormals );
mesh->setVertexColorArray( vertexColors, numVertexColors );
mesh->setFaceArray( faceIndices, numFaces );
}
ModelPtr m( new Model( mesh ) );
m_model = m;
return m;
};
