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SWBF2-Classic-Msh-Viewer
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now the tool finds the msh2 chunk even if it is not the 2nd behind HEDR, 

hence restructured code,
This commit is contained in:
Anakin 2016-10-21 19:24:30 +02:00
parent 211b406c3d
commit 03553616e7
2 changed files with 68 additions and 30 deletions
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3
MshViewer/Header/Object.h
View File

@ -52,14 +52,15 @@ public:
private:
std::list<ChunkHeader*> lChunkMsh2;
std::list<Modl*> lModls;
std::fstream fsMesh;
std::list<std::string> lTextures;
private:
void setModlDefault(Modl* model);
void loadChunks(std::list<ChunkHeader*> &destination, std::streampos start, const std::uint32_t end);
void analyseMsh2Chunks(std::list<ChunkHeader*> &chunkList);
void analyseModlChunks(Modl* dataDestination, std::list<ChunkHeader*> &chunkList);
void analyseGeomChunks(Modl* dataDestination, std::list<ChunkHeader*> &chunkList);
void analyseSegmChunks(Modl* dataDestination, std::list<ChunkHeader*> &chunkList);

95
MshViewer/Source/Object.cpp
View File

@ -14,48 +14,47 @@ Object::Object(const char* path)
if (!fsMesh.is_open())
throw std::invalid_argument(std::string("file not found: ") += path);
// jump into msh2 todo: search for MSH2 if there is a shadowvolume
fsMesh.seekg(8);
char tempChunkName[5] = { 0 };
fsMesh.read(reinterpret_cast<char*>(&tempChunkName[0]), sizeof(tempChunkName) - 1);
// jump to file size information
fsMesh.seekg(4);
if (strcmp(tempChunkName, "MSH2"))
throw std::invalid_argument(std::string("corrupted file MSH2 expected instead of ") += tempChunkName);
std::uint32_t tempFileSize;
std::list<ChunkHeader*> tempMainChunks;
std::uint32_t tempSize;
fsMesh.read(reinterpret_cast<char*>(&tempSize), sizeof(tempSize));
// get all chunks under HEDR
fsMesh.read(reinterpret_cast<char*>(&tempFileSize), sizeof(tempFileSize));
loadChunks(tempMainChunks, fsMesh.tellg(), tempFileSize);
// get all sub chunks from MSH2
loadChunks(lChunkMsh2, fsMesh.tellg(), tempSize);
// search for all MODL Chunks
for (std::list<ChunkHeader*>::iterator it = lChunkMsh2.begin(); it != lChunkMsh2.end(); it++)
// evaluate sub chunks (= find MSH2)
for (std::list<ChunkHeader*>::iterator it = tempMainChunks.begin(); it != tempMainChunks.end(); it++)
{
if (!strcmp("MODL", (*it)->name))
if (!strcmp("MSH2", (*it)->name))
{
Modl* tempModl = new Modl;
setModlDefault(tempModl);
// get all subchunks
std::list<ChunkHeader*> tempChunks;
loadChunks(tempChunks, (*it)->position, (*it)->size);
// evaluate MODL subchunks
analyseModlChunks(tempModl, tempChunks);
std::list<ChunkHeader*> tempMsh2Chunks;
loadChunks(tempMsh2Chunks, (*it)->position, (*it)->size);
//clean up
while (!tempChunks.empty())
// evaluate MSH2 subchunks
analyseMsh2Chunks(tempMsh2Chunks);
// clean up
while (!tempMsh2Chunks.empty())
{
ChunkHeader* tempCursor = tempChunks.front();
tempChunks.pop_front();
ChunkHeader* tempCursor = tempMsh2Chunks.front();
tempMsh2Chunks.pop_front();
delete tempCursor;
}
// save Model data
lModls.push_back(tempModl);
continue;
}
}
// clean up
while (!tempMainChunks.empty())
{
ChunkHeader* tempCursor = tempMainChunks.front();
tempMainChunks.pop_front();
delete tempCursor;
}
// close file
fsMesh.close();
}
@ -132,6 +131,44 @@ void Object::loadChunks(std::list<ChunkHeader*>& destination, std::streampos sta
}
void Object::analyseMsh2Chunks(std::list<ChunkHeader*>& chunkList)
{
for (std::list<ChunkHeader*>::iterator it = chunkList.begin(); it != chunkList.end(); it++)
{
if (!strcmp("MATL", (*it)->name))
{
continue;
}
if (!strcmp("MODL", (*it)->name))
{
Modl* tempModl = new Modl;
setModlDefault(tempModl);
// get all subchunks
std::list<ChunkHeader*> tempChunks;
loadChunks(tempChunks, (*it)->position, (*it)->size);
// evaluate MODL subchunks
analyseModlChunks(tempModl, tempChunks);
//clean up
while (!tempChunks.empty())
{
ChunkHeader* tempCursor = tempChunks.front();
tempChunks.pop_front();
delete tempCursor;
}
// save Model data
lModls.push_back(tempModl);
continue;
}
}
}
void Object::analyseModlChunks(Modl* dataDestination, std::list<ChunkHeader*>& chunkList)
{
for (std::list<ChunkHeader*>::iterator it = chunkList.begin(); it != chunkList.end(); it++)