bool ModelContainer::writeFile(const char *filename)
{
bool result = false;
unsigned int flags=0;
unsigned int size;
FILE *wf =fopen(filename,"wb");
if(wf)
{
fwrite(VMAP_MAGIC,1,8,wf);
result = true;
if(result && fwrite("CTREE01",8,1,wf) != 1) result = false;
if(result && fwrite(&flags,sizeof(unsigned int),1,wf) != 1) result = false;
if(result && fwrite("POS ",4,1,wf) != 1) result = false;
size = sizeof(float)*3;
if(result && fwrite(&size,4,1,wf) != 1) result = false;
Vector3 basePos = getBasePosition();
if(result && fwrite(&basePos,sizeof(float),3,wf) != 3) result = false;
if(result && fwrite("BOX ",4,1,wf) != 1) result = false;
size = sizeof(float)*6;
if(result && fwrite(&size,4,1,wf) != 1) result = false;
Vector3 low = iBox.low();
if(result && fwrite(&low,sizeof(float),3,wf) != 3) result = false;
Vector3 high = iBox.high();
if(result && fwrite(&high,sizeof(float),3,wf) != 3) result = false;
if(result && fwrite("NODE",4,1,wf) != 1) result = false;
size = sizeof(unsigned int)+ sizeof(TreeNode)*getNNodes();
if(result && fwrite(&size,4,1,wf) != 1) result = false;
unsigned int val = getNNodes();
if(result && fwrite(&val,sizeof(unsigned int),1,wf) != 1) result = false;
if(result && fwrite(getTreeNodes(),sizeof(TreeNode),getNNodes(),wf) != getNNodes()) result = false;
if(result && fwrite("TRIB",4,1,wf) != 1) result = false;
size = sizeof(unsigned int)+ sizeof(TriangleBox)*getNTriangles();
if(result && fwrite(&size,4,1,wf) != 1) result = false;
val = getNTriangles();
if(result && fwrite(&val,sizeof(unsigned int),1,wf) != 1) result = false;
if(result && fwrite(getTriangles(),sizeof(TriangleBox),getNTriangles(),wf) != getNTriangles()) result = false;
if(result && fwrite("SUBM",4,1,wf) != 1) result = false;
size = sizeof(unsigned int)+ sizeof(SubModel)*iNSubModel;
if(result && fwrite(&size,4,1,wf) != 1) result = false;
if(result && fwrite(&iNSubModel,sizeof(unsigned int),1,wf) != 1) result = false;
if(result && fwrite(iSubModel,sizeof(SubModel),iNSubModel,wf) != iNSubModel) result = false;
fclose(wf);
}
return(result);
}
bool SubModel::operator==(const SubModel& pSm2) const
{
bool result = false;
if(getNNodes() == pSm2.getNNodes() &&
getNTriangles() == pSm2.getNTriangles() &&
getBasePosition() == pSm2.getBasePosition() &&
getNodesPos() == pSm2.getNodesPos() &&
getTrianglesPos() == pSm2.getTrianglesPos())
{
result = true;
}
return result;
}
bool ModelContainer::readFile(const char *filename)
{
bool result = false;
unsigned int flags;
unsigned int size;
char ident[8];
char chunk[4];
unsigned int ival;
FILE *rf = fopen(filename, "rb");
if(rf)
{
free();
result = true;
char magic[8]; // Ignore the added magic header
fread(magic,1,8,rf);
if(strncmp(VMAP_MAGIC,magic,8)) result = false;
if(result && fread(ident,8,1,rf) != 1) result = false;
if(result && fread(&flags,sizeof(unsigned int),1,rf) != 1) result = false;
//POS
if(result && fread(chunk,4,1,rf) != 1) result = false;
if(result && fread(&size,4,1,rf) != 1) result = false;
Vector3 basePos;
if(result && fread(&basePos,sizeof(float),3,rf) != 3) result = false;
setBasePosition(basePos);
//---- Box
if(result && fread(chunk,4,1,rf) != 1) result = false;
if(result && fread(&size,4,1,rf) != 1) result = false;
Vector3 low,high;
if(result && fread(&low,sizeof(float),3,rf) != 3) result = false;
if(result && fread(&high,sizeof(float),3,rf) != 3) result = false;
setBounds(low, high);
//---- TreeNodes
if(result && fread(chunk,4,1,rf) != 1) result = false;
if(result && fread(&size,4,1,rf) != 1) result = false;
if(result && fread(&ival,sizeof(unsigned int),1,rf) != 1) result = false;
if(result) setNNodes(ival);
if(result) setTreeNodeArray(new TreeNode[getNNodes()]);
if(result && fread(getTreeNodes(),sizeof(TreeNode),getNNodes(),rf) != getNNodes()) result = false;
//---- TriangleBoxes
if(result && fread(chunk,4,1,rf) != 1) result = false;
if(result && fread(&size,4,1,rf) != 1) result = false;
if(result && fread(&ival,sizeof(unsigned int),1,rf) != 1) result = false;
setNTriangles(ival);
if(result) setTriangleArray(new TriangleBox[getNTriangles()]);
if(result && fread(getTriangles(),sizeof(TriangleBox),getNTriangles(),rf) != getNTriangles()) result = false;
//---- SubModel
if(result && fread(chunk,4,1,rf) != 1) result = false;
if(result && fread(&size,4,1,rf) != 1) result = false;
if(result && fread(&iNSubModel,sizeof(unsigned int),1,rf) != 1) result = false;
if(result) iSubModel = new SubModel[iNSubModel];
if(result)
{
for (unsigned int i=0; i<iNSubModel && result; ++i)
{
unsigned char readBuffer[52]; // this is the size of SubModel on 32 bit systems
if(fread(readBuffer,sizeof(readBuffer),1,rf) != 1) result = false;
iSubModel[i].initFromBinBlock(readBuffer);
iSubModel[i].setTriangleArray(getTriangles());
iSubModel[i].setTreeNodeArray(getTreeNodes());
}
}
fclose(rf);
}
return result;
}