first try to get all MODL and their sub chunks,

This commit is contained in:
Anakin 2016-10-09 16:44:35 +02:00
parent 443675aeaa
commit 4f1ff65f71
2 changed files with 29 additions and 10 deletions

View File

@ -17,12 +17,13 @@ public:
private:
std::list<chunkHeader*> lChunk;
std::list<chunkHeader*> lChunkMsh2;
std::list<chunkHeader*> lChunkModl;
std::fstream fsMesh;
private:
void readChunks();
void loadChunks(std::list<chunkHeader*> &destination, std::streampos start, const char end[5]);
public:

View File

@ -14,8 +14,24 @@ Object::Object(const char* path)
if (!fsMesh.is_open())
throw std::invalid_argument(std::string("file not found: ") += path);
// get Chunks
readChunks();
fsMesh.seekg(8);
char tempChunkName[5] = { 0 };
fsMesh.read(reinterpret_cast<char*>(&tempChunkName[0]), sizeof(tempChunkName) - 1);
if (strcmp(tempChunkName, "MSH2"))
throw std::invalid_argument(std::string("corrupted file MSH2 expected instead of ") += tempChunkName);
fsMesh.seekg(4, std::ios_base::cur);
loadChunks(lChunkMsh2, fsMesh.tellg(), "CL1L");
for (std::list<chunkHeader*>::iterator it = lChunkMsh2.begin(); it != lChunkMsh2.end(); it++)
{
if (!strcmp("MODL", (*it)->name))
{
loadChunks(lChunkModl, (*it)->position, "CL1L");
}
}
// close file
fsMesh.close();
@ -27,13 +43,14 @@ Object::~Object()
}
/////////////////////////////////////////////////////////////////////////
// private functions
void Object::readChunks()
void Object::loadChunks(std::list<chunkHeader*>& destination, std::streampos start, const char end[5])
{
// Jump into Mesh2
fsMesh.seekg(16, std::ios_base::cur);
fsMesh.seekg(start);
do
{
@ -43,15 +60,16 @@ void Object::readChunks()
fsMesh.read(reinterpret_cast<char*>(&tempHeader->size), sizeof(tempHeader->size));
tempHeader->position = fsMesh.tellg();
lChunk.push_back(tempHeader);
destination.push_back(tempHeader);
fsMesh.seekg(tempHeader->size, std::ios_base::cur);
if (!std::strcmp(tempHeader->name, "CL1L"))
if (!std::strcmp(tempHeader->name, end))
break;
} while (!fsMesh.eof());
} while (fsMesh.good());
std::cout << "got all chunks, totaly found: " << destination.size() << std::endl;
std::cout << "got all chunks, totaly found: " << lChunk.size() << std::endl;
}