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* Adjustment: Initial CMake reworking.

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This commit is contained in:
Robert MacGregor 2022-05-13 23:42:41 -04:00
parent 516163fd5d
commit d7cdf54661
5394 changed files with 2615532 additions and 8711 deletions
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99
Engine/lib/bullet/examples/Utils/b3ResourcePath.cpp Normal file
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#include "b3ResourcePath.h"
#include "Bullet3Common/b3Logging.h"
#ifdef __APPLE__
#include <mach-o/dyld.h> /* _NSGetExecutablePath */
#else
#ifdef _WIN32
#include <windows.h>
#else
//not Mac, not Windows, let's cross the fingers it is Linux :-)
#include <unistd.h>
#endif
#endif
#include "Bullet3Common/b3FileUtils.h"
#define B3_MAX_EXE_PATH_LEN 4096
int b3ResourcePath::getExePath(char* path, int maxPathLenInBytes)
{
int numBytes = 0;
#if __APPLE__
uint32_t bufsize = uint32_t(maxPathLenInBytes);
if (_NSGetExecutablePath(path, &bufsize)!=0)
{
b3Warning("Cannot find executable path\n");
return false;
} else
{
numBytes = strlen(path);
}
#else
#ifdef _WIN32
//https://msdn.microsoft.com/en-us/library/windows/desktop/ms683197(v=vs.85).aspx
HMODULE hModule = GetModuleHandle(NULL);
numBytes = GetModuleFileNameA(hModule, path, maxPathLenInBytes);
#else
///http://stackoverflow.com/questions/933850/how-to-find-the-location-of-the-executable-in-c
numBytes = (int)readlink("/proc/self/exe", path, maxPathLenInBytes-1);
if (numBytes > 0)
{
path[numBytes] = 0;
} else
{
b3Warning("Cannot find executable path\n");
}
#endif //_WIN32
#endif //__APPLE__
return numBytes;
}
int b3ResourcePath::findResourcePath(const char* resourceName, char* resourcePath, int resourcePathMaxNumBytes)
{
//first find in a resource/<exeName> location, then in various folders within 'data' using b3FileUtils
char exePath[B3_MAX_EXE_PATH_LEN];
int l = b3ResourcePath::getExePath(exePath, B3_MAX_EXE_PATH_LEN);
if (l)
{
char pathToExe[B3_MAX_EXE_PATH_LEN];
int exeNamePos = b3FileUtils::extractPath(exePath,pathToExe,B3_MAX_EXE_PATH_LEN);
if (exeNamePos)
{
sprintf(resourcePath,"%s../data/%s",pathToExe,resourceName);
//printf("try resource at %s\n", resourcePath);
if (b3FileUtils::findFile(resourcePath, resourcePath, resourcePathMaxNumBytes))
{
return strlen(resourcePath);
}
sprintf(resourcePath,"%s../resources/%s/%s",pathToExe,&exePath[exeNamePos],resourceName);
//printf("try resource at %s\n", resourcePath);
if (b3FileUtils::findFile(resourcePath, resourcePath, resourcePathMaxNumBytes))
{
return strlen(resourcePath);
}
sprintf(resourcePath,"%s.runfiles/google3/third_party/bullet/data/%s",exePath,resourceName);
//printf("try resource at %s\n", resourcePath);
if (b3FileUtils::findFile(resourcePath, resourcePath, resourcePathMaxNumBytes))
{
return strlen(resourcePath);
}
}
}
bool res = b3FileUtils::findFile(resourceName, resourcePath, resourcePathMaxNumBytes);
if (res)
{
return strlen(resourcePath);
}
return 0;
}