int VirtualEnvironmentInit(const char *objectListFile)
{
int numObjects;
FILE *fp;
char buf[MAXPATHLEN];
char objectFullpath[MAXPATHLEN];
int i;
ARdouble translation[3], rotation[4], scale[3];
int lightingFlag, markerIndex;
ARLOGd("Initialising Virtual Environment.\n");
// One-time OSG initialization.
if (!VirtualEnvironment_AROSG)
{
VirtualEnvironment_AROSG = arOSGInit();
if (!VirtualEnvironment_AROSG)
{
ARLOGe("Error: unable to init arOSG library.\n");
return (0);
}
}
// Locate and open the objects description file.
if ((fp = fopen(objectListFile, "r")) == NULL)
{
ARLOGe("Error: unable to open object data file '%s'.\n", objectListFile);
perror(NULL);
goto bail1;
}
else
{
ARLOGe("Error: open object data file '%s'.\n", objectListFile);
}
// First line is number of objects to read.
numObjects = 0;
get_buff(buf, MAXPATHLEN, fp, 1);
if (sscanf(buf, "%d", &numObjects) != 1)
{
ARLOGe("Error: unable to read number of objects to load from object data file.\n");
goto bail2;
}
// Allocate space for the objects.
if (objects)
{
free(objects); objects = NULL;
objectCount = 0;
}
objects = (VEObject*)calloc(numObjects, sizeof(VEObject));
if (!objects)
{
goto bail2;
}
ARLOGd("Reading %d objects.\n", numObjects);
for (i = 0; i < numObjects; i++)
{
// Read in all info relating to the object.
// Read model file path (relative to objects description file).
if (!get_buff(buf, MAXPATHLEN, fp, 1))
{
ARLOGe("Error: unable to read model file name from object data file.\n");
goto bail3;
}
if (!arUtilGetDirectoryNameFromPath(objectFullpath, objectListFile, sizeof(objectFullpath), 1)) // Get directory prefix, with path separator.
{
goto bail3;
}
strncat(objectFullpath, buf, sizeof(objectFullpath) - strlen(objectFullpath) - 1); // Add name of file to open.
// Read translation.
get_buff(buf, MAXPATHLEN, fp, 1);
#ifdef ARDOUBLE_IS_FLOAT
if (sscanf(buf, "%f %f %f", &translation[0], &translation[1], &translation[2]) != 3)
#else
if (sscanf(buf, "%lf %lf %lf", &translation[0], &translation[1], &translation[2]) != 3)
#endif
{
goto bail3;
}
// Read rotation.
get_buff(buf, MAXPATHLEN, fp, 1);
#ifdef ARDOUBLE_IS_FLOAT
if (sscanf(buf, "%f %f %f %f", &rotation[0], &rotation[1], &rotation[2], &rotation[3]) != 4)
#else
if (sscanf(buf, "%lf %lf %lf %lf", &rotation[0], &rotation[1], &rotation[2], &rotation[3]) != 4)
#endif
{
goto bail3;
}
// Read scale.
get_buff(buf, MAXPATHLEN, fp, 1);
#ifdef ARDOUBLE_IS_FLOAT
if (sscanf(buf, "%f %f %f", &scale[0], &scale[1], &scale[2]) != 3)
#else
if (sscanf(buf, "%lf %lf %lf", &scale[0], &scale[1], &scale[2]) != 3)
#endif
{
goto bail3;
}
// Look for optional tokens. A blank line marks end of options.
lightingFlag = 1; markerIndex = -1;
while (get_buff(buf, MAXPATHLEN, fp, 0) && (buf[0] != '\0'))
{
if (strncmp(buf, "LIGHTING", 8) == 0)
{
if (sscanf(&(buf[8]), " %d", &lightingFlag) != 1)
{
ARLOGe("Error in object file: LIGHTING token must be followed by an integer >= 0. Discarding.\n");
}
}
else if (strncmp(buf, "MARKER", 6) == 0)
{
if (sscanf(&(buf[6]), " %d", &markerIndex) != 1)
{
ARLOGe("Error in object file: MARKER token must be followed by an integer > 0. Discarding.\n");
}
else
{
markerIndex--; // Marker numbers are zero-indexed, but in the config file they're 1-indexed.
}
}
// Unknown tokens are ignored.
}
// Now attempt to load objects.
ARLOGd("Reading object data file %s.\n", objectFullpath);
objects[i].modelIndex = arOSGLoadModel2(VirtualEnvironment_AROSG, objectFullpath, translation, rotation, scale);
if (objects[i].modelIndex < 0)
{
ARLOGe("Error attempting to read object data file %s.\n", objectFullpath);
goto bail4;
}
// Set optional properties.
arOSGSetModelLighting(VirtualEnvironment_AROSG, objects[i].modelIndex, lightingFlag);
// If a valid marker index has been specified, save it.
if (markerIndex >= 0 /*&& markerIndex < markersCount]*/)
{
arOSGSetModelVisibility(VirtualEnvironment_AROSG, objects[i].modelIndex, FALSE); // Objects tied to markers will not be initially visible.
objects[i].markerIndex = markerIndex;
}
else
{
arOSGSetModelVisibility(VirtualEnvironment_AROSG, objects[i].modelIndex, TRUE); // All other objects will be initially visible.
objects[i].markerIndex = -1;
}
objectCount++;
}
ARLOGd("Virtual Environment initialised.\n");
fclose(fp);
return (objectCount);
bail4:
for (i--; i >= 0; i--)
{
arOSGUnloadModel(VirtualEnvironment_AROSG, i);
}
bail3:
free(objects);
objects = NULL;
objectCount = 0;
bail2:
fclose(fp);
bail1:
if (VirtualEnvironment_AROSG)
{
arOSGFinal(VirtualEnvironment_AROSG);
VirtualEnvironment_AROSG = NULL;
}
#ifdef DEBUG
ARLOGe("Virtual Environment initialisation failed.\n");
#endif
return (0);
}
char *arUtilGetResourcesDirectoryPath(AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR behavior)
#endif
{
#ifndef _WINRT
char *wpath1;
char *wpath2;
# ifdef _WIN32
DWORD len;
# endif
#endif
AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR behaviorW;
if (behavior == AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_BEST) {
#if defined(__APPLE__)
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_BUNDLE_RESOURCES_DIR;
#elif defined(ANDROID)
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_APP_CACHE_DIR;
#elif defined(_WIN32) || defined(__linux)
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_EXECUTABLE_DIR;
#else
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_CWD;
#endif
} else {
behaviorW = behavior;
}
switch (behaviorW) {
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_EXECUTABLE_DIR:
#if (defined(_WIN32) && !defined(_WINRT)) || defined(__APPLE__) || defined(__linux)
arMallocClear(wpath1, char, MAXPATHLEN);
# if defined(_WIN32)
len = GetModuleFileName(NULL, wpath1, MAXPATHLEN); // NULL implies the current process.
if (!len) {
free (wpath1);
return (NULL);
}
# elif defined(__APPLE__)
uint32_t size = MAXPATHLEN;
if (_NSGetExecutablePath(wpath1, &size) != 0) {
free (wpath1);
return (NULL);
}
# elif defined(__linux)
ssize_t len;
len = readlink("/proc/self/exe", wpath1, MAXPATHLEN - 1); // -1 as it is not NULL terminated.
if (len == -1) {
ARLOGperror(NULL);
free (wpath1);
return (NULL);
}
wpath1[len] = '\0'; // NULL terminate.
# endif
arMallocClear(wpath2, char, MAXPATHLEN);
if (!arUtilGetDirectoryNameFromPath(wpath2, wpath1, MAXPATHLEN, 0)) {
free (wpath1);
free (wpath2);
return (NULL);
}
free (wpath1);
return (wpath2);
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_BUNDLE_RESOURCES_DIR:
return (NULL); // Unsupported OS.
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_CWD:
#ifndef _WINRT
arMallocClear(wpath1, char, MAXPATHLEN);
if (!getcwd(wpath1, MAXPATHLEN)) {
free(wpath1);
return (NULL);
}
return (wpath1);
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_USER_ROOT:
#if defined(_WIN32) && !defined(_WINRT)
arMallocClear(wpath1, char, MAXPATHLEN);
if (!SUCCEEDED(SHGetFolderPath(NULL, CSIDL_PROFILE, NULL, 0, wpath1))) {
free (wpath1);
return (NULL);
}
return (wpath1);
#elif defined(ANDROID)
{
// Make JNI calls to get the external storage directory.
// To begin, get a reference to the env and attach to it.
JNIEnv *env;
int isAttached = 0;
jthrowable exception;
if (((*gJavaVM)->GetEnv(gJavaVM, (void**)&env, JNI_VERSION_1_6)) < 0) {
// Couldn't get JNI environment, so this thread is native.
if (((*gJavaVM)->AttachCurrentThread(gJavaVM, &env, NULL)) < 0) {
ARLOGe("Error: Couldn't attach to Java VM.\n");
return (NULL);
}
isAttached = 1;
}
// Get File object for the external storage directory.
jclass classEnvironment = (*env)->FindClass(env, "android/os/Environment");
if (!classEnvironment) goto bailAndroid;
jmethodID methodIDgetExternalStorageDirectory = (*env)->GetStaticMethodID(env, classEnvironment, "getExternalStorageDirectory", "()Ljava/io/File;"); // public static File getExternalStorageDirectory ()
if (!methodIDgetExternalStorageDirectory) goto bailAndroid;
jobject objectFile = (*env)->CallStaticObjectMethod(env, classEnvironment, methodIDgetExternalStorageDirectory);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Call method on File object to retrieve String object.
jclass classFile = (*env)->GetObjectClass(env, objectFile);
if (!classFile) goto bailAndroid;
jmethodID methodIDgetAbsolutePath = (*env)->GetMethodID(env, classFile, "getAbsolutePath", "()Ljava/lang/String;");
if (!methodIDgetAbsolutePath) goto bailAndroid;
jstring stringPath = (*env)->CallObjectMethod(env, objectFile, methodIDgetAbsolutePath);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Extract a C string from the String object and copy it.
const char *wpath3 = (*env)->GetStringUTFChars(env, stringPath, NULL);
wpath1 = strdup(wpath3);
(*env)->ReleaseStringUTFChars(env, stringPath, wpath3);
goto retAndroid;
bailAndroid:
ARLOGe("Error: JNI call failure.\n");
wpath1 = NULL;
retAndroid:
if (isAttached) (*gJavaVM)->DetachCurrentThread(gJavaVM); // Clean up.
return (wpath1);
}
#elif defined(__linux) || defined(__APPLE__)
if (!((wpath1 = getenv("HOME")))) {
return (NULL);
}
return (strdup(wpath1));
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_APP_CACHE_DIR:
#if defined(_WIN32)
return (NULL);
#elif defined(ANDROID)
{
// Make JNI calls to get the Context's cache directory.
// To begin, get a reference to the env and attach to it.
JNIEnv *env;
int isAttached = 0;
int ret = 0;
jthrowable exception;
if (((*gJavaVM)->GetEnv(gJavaVM, (void**)&env, JNI_VERSION_1_6)) < 0) {
// Couldn't get JNI environment, so this thread is native.
if (((*gJavaVM)->AttachCurrentThread(gJavaVM, &env, NULL)) < 0) {
ARLOGe("Error: Couldn't attach to Java VM.\n");
return (NULL);
}
isAttached = 1;
}
// Get File object for the Context's files directory. This only works
// if a subclass of Context is supplied.
// e.g. JNIEXPORT void JNICALL Java_com_test_TestActivity_test(JNIEnv * env, jobject obj)
// so make sure before call.
jclass classOfSuppliedObject = (*env)->GetObjectClass(env, instanceOfAndroidContext);
if (!classOfSuppliedObject) goto bailAndroid1;
jclass classContext = (*env)->FindClass(env, "android/content/Context");
if (!classContext) goto bailAndroid1;
if (!(*env)->IsInstanceOf(env, instanceOfAndroidContext, classContext)) {
ARLOGe("Error: supplied object is not an instance of android/content/Context.\n");
wpath1 = NULL; // Bad parameter.
goto retAndroid1;
}
jmethodID methodGetDir = (*env)->GetMethodID(env, classOfSuppliedObject, "getCacheDir", "()Ljava/io/File;"); // public abstract File getCacheDir();
//jmethodID methodGetDir = (*env)->GetMethodID(env, classOfSuppliedObject, "getFilesDir", "(Ljava/lang/String;)Ljava/io/File;"); // public abstract File getFilesDir(String type);
if (!methodGetDir) goto bailAndroid1;
jobject objectFile = (*env)->CallObjectMethod(env, instanceOfAndroidContext, methodGetDir);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Call method on File object to retrieve String object.
jclass classFile = (*env)->GetObjectClass(env, objectFile);
if (!classFile) goto bailAndroid1;
jmethodID methodIDgetAbsolutePath = (*env)->GetMethodID(env, classFile, "getAbsolutePath", "()Ljava/lang/String;");
if (!methodIDgetAbsolutePath) goto bailAndroid1;
jstring stringPath = (*env)->CallObjectMethod(env, objectFile, methodIDgetAbsolutePath);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Extract a C string from the String object, and chdir() to it.
const char *wpath3 = (*env)->GetStringUTFChars(env, stringPath, NULL);
wpath1 = strdup(wpath3);
(*env)->ReleaseStringUTFChars(env, stringPath, wpath3);
goto retAndroid1;
bailAndroid1:
ARLOGe("Error: JNI call failure.\n");
wpath1 = NULL;
retAndroid1:
if (isAttached) (*gJavaVM)->DetachCurrentThread(gJavaVM); // Clean up.
return (wpath1);
}
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_APP_DATA_DIR:
#ifdef _WINRT
//auto folder = Windows::Storage::ApplicationData::Current->LocalFolder;
//wpath1 = strdup(folder->Path->Data().c_str());
//return (wpath1);
return (NULL); // Unsupported OS.
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_SUPPLIED_PATH:
default:
return (NULL); // Undefined behaviour.
break;
}
}
ARMultiMarkerInfoT *arMultiReadConfigFile( const char *filename, ARPattHandle *pattHandle )
{
FILE *fp;
ARMultiEachMarkerInfoT *marker;
ARMultiMarkerInfoT *marker_info;
ARdouble wpos3d[4][2];
char buf[256], pattPath[2048], dummy;
int num;
int patt_type = 0;
int i, j;
if ((fp = fopen(filename, "r")) == NULL) {
ARLOGe("Error: unable to open multimarker config file '%s'.\n", filename);
ARLOGperror(NULL);
return NULL;
}
get_buff(buf, 256, fp);
if( sscanf(buf, "%d", &num) != 1 ) {
ARLOGe("Error processing multimarker config file '%s': First line must be number of marker configs to read.\n", filename);
fclose(fp);
return NULL;
}
ARLOGd("Reading %d markers from multimarker file '%s'\n", num, filename);
arMalloc(marker, ARMultiEachMarkerInfoT, num);
for( i = 0; i < num; i++ ) {
get_buff(buf, 256, fp);
if (sscanf(buf,
#if defined(__LP64__) && !defined(__APPLE__)
"%lu%c",
#else
"%llu%c",
#endif
&(marker[i].globalID), &dummy) != 1) { // Try first as matrix code.
if (!pattHandle) {
ARLOGe("Error processing multimarker config file '%s': pattern '%s' specified in multimarker configuration while in barcode-only mode.\n", filename, buf);
goto bail;
}
if (!arUtilGetDirectoryNameFromPath(pattPath, filename, sizeof(pattPath), 1)) { // Get directory prefix.
ARLOGe("Error processing multimarker config file '%s': Unable to determine directory name.\n", filename);
goto bail;
}
strncat(pattPath, buf, sizeof(pattPath) - strlen(pattPath) - 1); // Add name of file to open.
if ((marker[i].patt_id = arPattLoad(pattHandle, pattPath)) < 0) {
ARLOGe("Error processing multimarker config file '%s': Unable to load pattern '%s'.\n", filename, pattPath);
goto bail;
}
marker[i].patt_type = AR_MULTI_PATTERN_TYPE_TEMPLATE;
patt_type |= 0x01;
} else {
if ((marker[i].globalID & 0xffff8000ULL) == 0ULL) marker[i].patt_id = (int)(marker[i].globalID & 0x00007fffULL); // If upper 33 bits are zero, use lower 31 bits as regular matrix code.
else marker[i].patt_id = 0;
ARLOGd("Marker %3d is matrix code %llu.\n", i + 1, marker[i].globalID);
marker[i].patt_type = AR_MULTI_PATTERN_TYPE_MATRIX;
patt_type |= 0x02;
}
get_buff(buf, 256, fp);
if( sscanf(buf,
#ifdef ARDOUBLE_IS_FLOAT
"%f",
#else
"%lf",
#endif
&marker[i].width) != 1 ) {
ARLOGe("Error processing multimarker config file '%s', marker definition %3d: First line must be pattern width.\n", filename, i + 1);
goto bail;
}
j = 0;
get_buff(buf, 256, fp);
if( sscanf(buf,
#ifdef ARDOUBLE_IS_FLOAT
"%f %f %f %f",
#else
"%lf %lf %lf %lf",
#endif
&marker[i].trans[j][0],
&marker[i].trans[j][1],
&marker[i].trans[j][2],
&marker[i].trans[j][3]) != 4 ) {
// Perhaps this is an old ARToolKit v2.x multimarker file?
// If so, then the next line is two values (center) and should be skipped.
float t1, t2;
if( sscanf(buf,
"%f %f",
&t1, &t2) != 2 ) {
ARLOGe("Error processing multimarker config file '%s', marker definition %3d: Lines 2 - 4 must be marker transform.\n", filename, i + 1);
goto bail;
}
} else j++;
do {
get_buff(buf, 256, fp);
if( sscanf(buf,
#ifdef ARDOUBLE_IS_FLOAT
"%f %f %f %f",
#else
"%lf %lf %lf %lf",
#endif
&marker[i].trans[j][0],
&marker[i].trans[j][1],
&marker[i].trans[j][2],
&marker[i].trans[j][3]) != 4 ) {
ARLOGe("Error processing multimarker config file '%s', marker definition %3d: Lines 2 - 4 must be marker transform.\n", filename, i + 1);
goto bail;
}
j++;
} while (j < 3);
arUtilMatInv( (const ARdouble (*)[4])marker[i].trans, marker[i].itrans );
wpos3d[0][0] = -marker[i].width/2.0;
wpos3d[0][1] = marker[i].width/2.0;
wpos3d[1][0] = marker[i].width/2.0;
wpos3d[1][1] = marker[i].width/2.0;
wpos3d[2][0] = marker[i].width/2.0;
wpos3d[2][1] = -marker[i].width/2.0;
wpos3d[3][0] = -marker[i].width/2.0;
wpos3d[3][1] = -marker[i].width/2.0;
for( j = 0; j < 4; j++ ) {
marker[i].pos3d[j][0] = marker[i].trans[0][0] * wpos3d[j][0]
+ marker[i].trans[0][1] * wpos3d[j][1]
+ marker[i].trans[0][3];
marker[i].pos3d[j][1] = marker[i].trans[1][0] * wpos3d[j][0]
+ marker[i].trans[1][1] * wpos3d[j][1]
+ marker[i].trans[1][3];
marker[i].pos3d[j][2] = marker[i].trans[2][0] * wpos3d[j][0]
+ marker[i].trans[2][1] * wpos3d[j][1]
+ marker[i].trans[2][3];
}
}
fclose(fp);
arMalloc(marker_info, ARMultiMarkerInfoT, 1);
marker_info->marker = marker;
marker_info->marker_num = num;
marker_info->prevF = 0;
if( (patt_type & 0x03) == 0x03 ) marker_info->patt_type = AR_MULTI_PATTERN_DETECTION_MODE_TEMPLATE_AND_MATRIX;
else if( patt_type & 0x01 ) marker_info->patt_type = AR_MULTI_PATTERN_DETECTION_MODE_TEMPLATE;
else marker_info->patt_type = AR_MULTI_PATTERN_DETECTION_MODE_MATRIX;
marker_info->cfPattCutoff = AR_MULTI_CONFIDENCE_PATTERN_CUTOFF_DEFAULT;
marker_info->cfMatrixCutoff = AR_MULTI_CONFIDENCE_MATRIX_CUTOFF_DEFAULT;
return marker_info;
bail:
fclose(fp);
free(marker);
return NULL;
}
char *arUtilGetResourcesDirectoryPath(AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR behavior)
#endif
{
#ifndef _WINRT
char *wpath1;
char *wpath2;
# ifdef _WIN32
DWORD len;
# endif
#endif
AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR behaviorW;
if (behavior == AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_BEST) {
#if defined(__APPLE__)
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_BUNDLE_RESOURCES_DIR;
#elif defined(ANDROID)
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_APP_CACHE_DIR;
#elif defined(_WIN32) || defined(__linux)
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_EXECUTABLE_DIR;
#else
behaviorW = AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_CWD;
#endif
} else {
behaviorW = behavior;
}
switch (behaviorW) {
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_EXECUTABLE_DIR:
#if (defined(_WIN32) && !defined(_WINRT)) || defined(__APPLE__) || defined(__linux)
arMallocClear(wpath1, char, MAXPATHLEN);
# if defined(_WIN32)
len = GetModuleFileName(NULL, wpath1, MAXPATHLEN); // NULL implies the current process.
if (!len) {
free (wpath1);
return (NULL);
}
# elif defined(__APPLE__)
uint32_t size = MAXPATHLEN;
if (_NSGetExecutablePath(wpath1, &size) != 0) {
free (wpath1);
return (NULL);
}
# elif defined(__linux)
ssize_t len;
len = readlink("/proc/self/exe", wpath1, MAXPATHLEN - 1); // -1 as it is not NULL terminated.
if (len == -1) {
ARLOGperror(NULL);
free (wpath1);
return (NULL);
}
wpath1[len] = '\0'; // NULL terminate.
# endif
arMallocClear(wpath2, char, MAXPATHLEN);
if (!arUtilGetDirectoryNameFromPath(wpath2, wpath1, MAXPATHLEN, 0)) {
free (wpath1);
free (wpath2);
return (NULL);
}
free (wpath1);
return (wpath2);
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_BUNDLE_RESOURCES_DIR:
#if defined(__APPLE__)
{
// Change working directory to resources directory inside app bundle.
wpath1 = NULL;
CFURLRef pathCFURLRef = CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle()); // Get relative path to resources directory.
if (pathCFURLRef) {
wpath1 = (char *)calloc(MAXPATHLEN, sizeof(char)); //getcwd(path, MAXPATHLEN);
if (wpath1) {
if (!CFURLGetFileSystemRepresentation(pathCFURLRef, true, (UInt8*)wpath1, MAXPATHLEN)) { // true in param 2 resolves against base.
ARLOGe("Error: Unable to get file system representation of a CFURL.\n");
free(wpath1);
wpath1 = NULL;
}
}
CFRelease(pathCFURLRef);
}
return (wpath1);
}
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_CWD:
#ifndef _WINRT
arMallocClear(wpath1, char, MAXPATHLEN);
if (!getcwd(wpath1, MAXPATHLEN)) {
free(wpath1);
return (NULL);
}
return (wpath1);
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_USER_ROOT:
#if defined(_WIN32) && !defined(_WINRT)
arMallocClear(wpath1, char, MAXPATHLEN);
if (!SUCCEEDED(SHGetFolderPath(NULL, CSIDL_PROFILE, NULL, 0, wpath1))) {
free (wpath1);
return (NULL);
}
return (wpath1);
#elif defined(ANDROID)
{
// Make JNI calls to get the external storage directory.
// To begin, get a reference to the env and attach to it.
JNIEnv *env;
int isAttached = 0;
jthrowable exception;
if (((*gJavaVM)->GetEnv(gJavaVM, (void**)&env, JNI_VERSION_1_6)) < 0) {
// Couldn't get JNI environment, so this thread is native.
if (((*gJavaVM)->AttachCurrentThread(gJavaVM, &env, NULL)) < 0) {
ARLOGe("Error: Couldn't attach to Java VM.\n");
return (NULL);
}
isAttached = 1;
}
// Get File object for the external storage directory.
jclass classEnvironment = (*env)->FindClass(env, "android/os/Environment");
if (!classEnvironment) goto bailAndroid;
jmethodID methodIDgetExternalStorageDirectory = (*env)->GetStaticMethodID(env, classEnvironment, "getExternalStorageDirectory", "()Ljava/io/File;"); // public static File getExternalStorageDirectory ()
if (!methodIDgetExternalStorageDirectory) goto bailAndroid;
jobject objectFile = (*env)->CallStaticObjectMethod(env, classEnvironment, methodIDgetExternalStorageDirectory);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Call method on File object to retrieve String object.
jclass classFile = (*env)->GetObjectClass(env, objectFile);
if (!classFile) goto bailAndroid;
jmethodID methodIDgetAbsolutePath = (*env)->GetMethodID(env, classFile, "getAbsolutePath", "()Ljava/lang/String;");
if (!methodIDgetAbsolutePath) goto bailAndroid;
jstring stringPath = (*env)->CallObjectMethod(env, objectFile, methodIDgetAbsolutePath);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Extract a C string from the String object and copy it.
const char *wpath3 = (*env)->GetStringUTFChars(env, stringPath, NULL);
wpath1 = strdup(wpath3);
(*env)->ReleaseStringUTFChars(env, stringPath, wpath3);
goto retAndroid;
bailAndroid:
ARLOGe("Error: JNI call failure.\n");
wpath1 = NULL;
retAndroid:
if (isAttached) (*gJavaVM)->DetachCurrentThread(gJavaVM); // Clean up.
return (wpath1);
}
#elif defined(__APPLE__) && defined(__OBJC__) // iOS/OS X.
{
NSString *nssHomeDir = NSHomeDirectory(); // CoreFoundation equivalent is CFCopyHomeDirectoryURL(), iOS 6.0+ only.
if (!nssHomeDir) {
return (NULL);
}
wpath1 = strdup([nssHomeDir UTF8String]);
return wpath1;
}
#elif defined(__linux)
if (!((wpath1 = getenv("HOME")))) {
return (NULL);
}
return (strdup(wpath1));
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_APP_CACHE_DIR:
#if defined(_WIN32)
return (NULL);
#elif defined(__APPLE__) // iOS/OS X.
{
# ifdef __OBJC__
NSURL *cacheDir = [[[NSFileManager defaultManager] URLsForDirectory:NSCachesDirectory inDomains:NSUserDomainMask] objectAtIndex:0];
if (!cacheDir) {
return (NULL);
}
wpath1 = strdup([[cacheDir path] UTF8String]);
# else
size_t len = confstr(_CS_DARWIN_USER_CACHE_DIR, NULL, 0);
if (!len) return (NULL);
wpath1 = (char *)malloc(len);
len = confstr(_CS_DARWIN_USER_CACHE_DIR, wpath1, len); // On OS X, returns a folder in the sandbox hierachy under /var/folders/.
if (!len) return (NULL);
# endif
return (wpath1);
}
#elif defined(ANDROID)
{
// Make JNI calls to get the Context's cache directory.
// To begin, get a reference to the env and attach to it.
JNIEnv *env;
int isAttached = 0;
int ret = 0;
jthrowable exception;
if (((*gJavaVM)->GetEnv(gJavaVM, (void**)&env, JNI_VERSION_1_6)) < 0) {
// Couldn't get JNI environment, so this thread is native.
if (((*gJavaVM)->AttachCurrentThread(gJavaVM, &env, NULL)) < 0) {
ARLOGe("Error: Couldn't attach to Java VM.\n");
return (NULL);
}
isAttached = 1;
}
// Get File object for the Context's files directory. This only works
// if a subclass of Context is supplied.
// e.g. JNIEXPORT void JNICALL Java_com_test_TestActivity_test(JNIEnv * env, jobject obj)
// so make sure before call.
jclass classOfSuppliedObject = (*env)->GetObjectClass(env, instanceOfAndroidContext);
if (!classOfSuppliedObject) goto bailAndroid1;
jclass classContext = (*env)->FindClass(env, "android/content/Context");
if (!classContext) goto bailAndroid1;
if (!(*env)->IsInstanceOf(env, instanceOfAndroidContext, classContext)) {
ARLOGe("Error: supplied object is not an instance of android/content/Context.\n");
wpath1 = NULL; // Bad parameter.
goto retAndroid1;
}
jmethodID methodGetDir = (*env)->GetMethodID(env, classOfSuppliedObject, "getCacheDir", "()Ljava/io/File;"); // public abstract File getCacheDir();
//jmethodID methodGetDir = (*env)->GetMethodID(env, classOfSuppliedObject, "getFilesDir", "(Ljava/lang/String;)Ljava/io/File;"); // public abstract File getFilesDir(String type);
if (!methodGetDir) goto bailAndroid1;
jobject objectFile = (*env)->CallObjectMethod(env, instanceOfAndroidContext, methodGetDir);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Call method on File object to retrieve String object.
jclass classFile = (*env)->GetObjectClass(env, objectFile);
if (!classFile) goto bailAndroid1;
jmethodID methodIDgetAbsolutePath = (*env)->GetMethodID(env, classFile, "getAbsolutePath", "()Ljava/lang/String;");
if (!methodIDgetAbsolutePath) goto bailAndroid1;
jstring stringPath = (*env)->CallObjectMethod(env, objectFile, methodIDgetAbsolutePath);
exception = (*env)->ExceptionOccurred(env);
if (exception) {
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
}
// Extract a C string from the String object, and chdir() to it.
const char *wpath3 = (*env)->GetStringUTFChars(env, stringPath, NULL);
wpath1 = strdup(wpath3);
(*env)->ReleaseStringUTFChars(env, stringPath, wpath3);
goto retAndroid1;
bailAndroid1:
ARLOGe("Error: JNI call failure.\n");
wpath1 = NULL;
retAndroid1:
if (isAttached) (*gJavaVM)->DetachCurrentThread(gJavaVM); // Clean up.
return (wpath1);
}
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_APP_DATA_DIR:
#ifdef _WINRT
//auto folder = Windows::Storage::ApplicationData::Current->LocalFolder;
//wpath1 = strdup(folder->Path->Data().c_str());
//return (wpath1);
return (NULL); // Unsupported OS.
#else
return (NULL); // Unsupported OS.
#endif
break;
case AR_UTIL_RESOURCES_DIRECTORY_BEHAVIOR_USE_SUPPLIED_PATH:
default:
return (NULL); // Undefined behaviour.
break;
}
}