int main ( void )
{
int edgeIndex = 0;
int nodeIndex = 0;
int k = 0;
int nodes = 0;
int edgesNumber = 0;
int newNodes = 0;
int edgesCount = 0;
g_randomNumbersFile = fopen("randomNumbers","r");
g_graphFile = fopen("graphModel.dot","w");
srand (time (NULL));
edgesNumber = MIN_RANKS + (rand () % (MAX_RANKS - MIN_RANKS));
WriteHeader();
for ( edgeIndex = 0; edgeIndex < edgesNumber; ++edgeIndex )
{
/* New nodes of 'higher' rank than all nodes generated till now. */
newNodes = MIN_PER_RANK + (rand () % (MAX_PER_RANK - MIN_PER_RANK));
/* Edges from old nodes ('nodes') to new ones ('new_nodes'). */
for ( nodeIndex = 0; nodeIndex < nodes; ++nodeIndex )
{
for ( k = 0; k < newNodes; ++k )
{
if ( (rand () % 100) < PERCENT )
{
++edgesCount;
WriteEdges(nodeIndex, k, nodes);
}
}
}
nodes += newNodes; /* Accumulate into old node set. */
}
WriteNodes(nodes);
printf("Nodes: %d\n", nodes);
printf("Edges: %d\n\n", edgesCount);
fclose(g_randomNumbersFile);
fclose(g_graphFile);
return 0;
}
void TriMesh::Process( uint32_t inStartOffset,
uint32_t inEndOffset )
{
uint32_t dataLen = inEndOffset - inStartOffset;
if (dataLen < 52)
{
throw DataLengthException( Name(), inStartOffset, inEndOffset, 52 );
}
mFaces = FetchUInt32( inStartOffset );
uint32_t numFaceAtts = FetchUInt32( inStartOffset+4 );
mEdges = FetchUInt32( inStartOffset+8 );
uint32_t numEdgeAtts = FetchUInt32( inStartOffset+12 );
mPoints = FetchUInt32( inStartOffset+16 );
uint32_t numPointAtts = FetchUInt32( inStartOffset+20 );
int bytesPointIndex, bytesPerFaceIndex;
if (mPoints - 1 <= 0xFE)
{
bytesPointIndex = 1;
}
else if (mPoints - 1 <= 0xFFFE)
{
bytesPointIndex = 2;
}
else
{
bytesPointIndex = 4;
}
if (mFaces - 1 <= 0xFE)
{
bytesPerFaceIndex = 1;
}
else if (mFaces - 1 <= 0xFFFE)
{
bytesPerFaceIndex = 2;
}
else
{
bytesPerFaceIndex = 4;
}
uint32_t trianglesSize = mFaces * 3 * bytesPointIndex;
uint32_t edgesSize = mEdges * 2 * (bytesPointIndex + bytesPerFaceIndex);
uint32_t pointsSize = mPoints * 12;
uint32_t expectedLength = 52 + trianglesSize + edgesSize + pointsSize;
if (dataLen != expectedLength)
{
throw DataLengthException( Name(), inStartOffset, inEndOffset,
expectedLength );
}
Out() << Indent() << Name() << " (\n" <<
Indent(1) << mFaces << " " << numFaceAtts << " " <<
mEdges << " " << numEdgeAtts << " " <<
mPoints << " " << numPointAtts << "\t" <<
"# faces faceAtts edges edgeAtts pts ptAtts\n";
WriteTriangles( inStartOffset+24, mFaces, bytesPointIndex );
WriteEdges( inStartOffset+24+trianglesSize, mEdges, bytesPointIndex,
bytesPerFaceIndex );
WritePoints( inStartOffset+24+trianglesSize+edgesSize, mPoints );
WriteBoundingBox( inStartOffset+24+trianglesSize+edgesSize+pointsSize );
Out() << Indent() << ")\n";
}
