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Recast: add >4GB file support for OBJ mesh loader

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Needed for very large levels.
This commit is contained in:
Kawe Mazidjatari 2024-10-12 01:49:49 +02:00
parent c0832b91d3
commit dedcf4f94f
1 changed files with 12 additions and 4 deletions

16
src/naveditor/MeshLoaderObj.cpp

@ -18,6 +18,14 @@
#include "NavEditor/Include/MeshLoaderObj.h"
#ifdef _WIN32
#define ftell64 _ftelli64
#define fseeki64 _fseeki64
#else
#define ftell64 ftello
#define fseeki64 fseeko
#endif
rcMeshLoaderObj::rcMeshLoaderObj() :
m_scale(1.0f),
m_verts(0),
@ -139,18 +147,18 @@ bool rcMeshLoaderObj::load(const std::string& filename)
FILE* fp = fopen(filename.c_str(), "rb");
if (!fp)
return false;
if (fseek(fp, 0, SEEK_END) != 0)
if (fseeki64(fp, 0, SEEK_END) != 0)
{
fclose(fp);
return false;
}
long bufSize = ftell(fp);
const ssize_t bufSize = ftell64(fp);
if (bufSize < 0)
{
fclose(fp);
return false;
}
if (fseek(fp, 0, SEEK_SET) != 0)
if (fseeki64(fp, 0, SEEK_SET) != 0)
{
fclose(fp);
return false;
@ -161,7 +169,7 @@ bool rcMeshLoaderObj::load(const std::string& filename)
fclose(fp);
return false;
}
size_t readLen = fread(buf, bufSize, 1, fp);
const size_t readLen = fread(buf, bufSize, 1, fp);
fclose(fp);
if (readLen != 1)