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Merge pull request #4142 from Daniel-Genkin/master 

Added another constructor to avoid requiring a full ANativeActivity
pull/4145/head
Kim Kulling 2021-10-28 22:16:07 +02:00 committed by GitHub
parent 817fbed8c2 5333e41607
commit d273a784d0
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 96 additions and 97 deletions
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26
include/assimp/port/AndroidJNI/AndroidJNIIOSystem.h
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@ -2,7 +2,7 @@
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
Copyright (c) 2006-2021, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
@ -54,36 +54,32 @@ namespace Assimp {
// ---------------------------------------------------------------------------
/** Android extension to DefaultIOSystem using the standard C file functions */
class ASSIMP_API AndroidJNIIOSystem : public DefaultIOSystem
{
class ASSIMP_API AndroidJNIIOSystem : public DefaultIOSystem {
public:
/** Initialize android activity data */
std::string mApkWorkspacePath;
AAssetManager* mApkAssetManager;
/** Constructor. */
/// Constructor.
AndroidJNIIOSystem(ANativeActivity* activity);
/** Destructor. */
/// Class constructor with past and asset manager.
AndroidJNIIOSystem(const char *internalPath, AAssetManager assetManager);
/// Destructor.
~AndroidJNIIOSystem();
// -------------------------------------------------------------------
/** Tests for the existence of a file at the given path. */
/// Tests for the existence of a file at the given path.
bool Exists( const char* pFile) const;
// -------------------------------------------------------------------
/** Opens a file at the given path, with given mode */
/// Opens a file at the given path, with given mode
IOStream* Open( const char* strFile, const char* strMode);
// ------------------------------------------------------------------------------------------------
// Inits Android extractor
/// Inits Android extractor
void AndroidActivityInit(ANativeActivity* activity);
// ------------------------------------------------------------------------------------------------
// Extracts android asset
/// Extracts android asset
bool AndroidExtractAsset(std::string name);
};
} //!ns Assimp

167
port/AndroidJNI/AndroidJNIIOSystem.cpp
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@ -3,7 +3,7 @@
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
Copyright (c) 2006-2021, assimp team
All rights reserved.
@ -67,45 +67,50 @@ AndroidJNIIOSystem::AndroidJNIIOSystem(ANativeActivity* activity)
AndroidActivityInit(activity);
}
AndroidJNIIOSystem::AndroidJNIIOSystem(const char *internalPath, AAssetManager assetManager) :
mApkWorkspacePath(internalDataPath),
mApkAssetManager(assetManager) {
// empty
}
// ------------------------------------------------------------------------------------------------
// Destructor.
AndroidJNIIOSystem::~AndroidJNIIOSystem()
{
// nothing to do here
AndroidJNIIOSystem::~AndroidJNIIOSystem() {
// nothing to do here
}
// ------------------------------------------------------------------------------------------------
// Tests for the existence of a file at the given path.
bool AndroidJNIIOSystem::Exists( const char* pFile) const
{
AAsset* asset = AAssetManager_open(mApkAssetManager, pFile,
AASSET_MODE_UNKNOWN);
FILE* file = ::fopen( (mApkWorkspacePath + getOsSeparator() + std::string(pFile)).c_str(), "rb");
bool AndroidJNIIOSystem::Exists( const char* pFile) const {
AAsset* asset = AAssetManager_open(mApkAssetManager, pFile, AASSET_MODE_UNKNOWN);
FILE* file = ::fopen( (mApkWorkspacePath + getOsSeparator() + std::string(pFile)).c_str(), "rb");
if (!asset && !file) {
__android_log_print(ANDROID_LOG_ERROR, "Assimp", "Asset manager can not find: %s", pFile);
return false;
}
if (!asset && !file)
{
__android_log_print(ANDROID_LOG_ERROR, "Assimp", "Asset manager can not find: %s", pFile);
return false;
}
__android_log_print(ANDROID_LOG_ERROR, "Assimp", "Asset exists");
if (file)
::fclose( file);
return true;
__android_log_print(ANDROID_LOG_ERROR, "Assimp", "Asset exists");
if (file) {
::fclose( file);
}
return true;
}
// ------------------------------------------------------------------------------------------------
// Inits Android extractor
void AndroidJNIIOSystem::AndroidActivityInit(ANativeActivity* activity)
{
mApkWorkspacePath = activity->internalDataPath;
mApkAssetManager = activity->assetManager;
void AndroidJNIIOSystem::AndroidActivityInit(ANativeActivity* activity) {
if (activity == nullptr) {
return;
}
mApkWorkspacePath = activity->internalDataPath;
mApkAssetManager = activity->assetManager;
}
// ------------------------------------------------------------------------------------------------
// Create the directory for the extracted resource
static int mkpath(std::string path, mode_t mode)
{
static int mkpath(std::string path, mode_t mode) {
if (mkdir(path.c_str(), mode) == -1) {
switch(errno) {
case ENOENT:
@ -125,82 +130,80 @@ static int mkpath(std::string path, mode_t mode)
// ------------------------------------------------------------------------------------------------
// Extracts android asset
bool AndroidJNIIOSystem::AndroidExtractAsset(std::string name)
{
std::string newPath = mApkWorkspacePath + getOsSeparator() + name;
bool AndroidJNIIOSystem::AndroidExtractAsset(std::string name) {
std::string newPath = mApkWorkspacePath + getOsSeparator() + name;
DefaultIOSystem io;
DefaultIOSystem io;
// Do not extract if extracted already
if ( io.Exists(newPath.c_str()) ) {
__android_log_print(ANDROID_LOG_DEFAULT, "Assimp", "Asset already extracted");
return true;
}
// Open file
AAsset* asset = AAssetManager_open(mApkAssetManager, name.c_str(),
// Do not extract if extracted already
if ( io.Exists(newPath.c_str()) ) {
__android_log_print(ANDROID_LOG_DEFAULT, "Assimp", "Asset already extracted");
return true;
}
// Open file
AAsset* asset = AAssetManager_open(mApkAssetManager, name.c_str(),
AASSET_MODE_UNKNOWN);
std::vector<char> assetContent;
std::vector<char> assetContent;
if (asset != NULL) {
// Find size
off_t assetSize = AAsset_getLength(asset);
if (asset != NULL) {
// Find size
off_t assetSize = AAsset_getLength(asset);
// Prepare input buffer
assetContent.resize(assetSize);
// Prepare input buffer
assetContent.resize(assetSize);
// Store input buffer
AAsset_read(asset, &assetContent[0], assetSize);
// Store input buffer
AAsset_read(asset, &assetContent[0], assetSize);
// Close
AAsset_close(asset);
// Close
AAsset_close(asset);
// Prepare directory for output buffer
std::string directoryNewPath = newPath;
directoryNewPath = dirname(&directoryNewPath[0]);
// Prepare directory for output buffer
std::string directoryNewPath = newPath;
directoryNewPath = dirname(&directoryNewPath[0]);
if (mkpath(directoryNewPath, S_IRUSR | S_IWUSR | S_IXUSR) == -1) {
__android_log_print(ANDROID_LOG_ERROR, "assimp",
"Can not create the directory for the output file");
}
if (mkpath(directoryNewPath, S_IRUSR | S_IWUSR | S_IXUSR) == -1) {
__android_log_print(ANDROID_LOG_ERROR, "assimp", "Can not create the directory for the output file");
}
// Prepare output buffer
std::ofstream assetExtracted(newPath.c_str(),
std::ios::out | std::ios::binary);
if (!assetExtracted) {
__android_log_print(ANDROID_LOG_ERROR, "assimp",
"Can not open output file");
}
// Prepare output buffer
std::ofstream assetExtracted(newPath.c_str(), std::ios::out | std::ios::binary);
if (!assetExtracted) {
__android_log_print(ANDROID_LOG_ERROR, "assimp", "Can not open output file");
}
// Write output buffer into a file
assetExtracted.write(&assetContent[0], assetContent.size());
assetExtracted.close();
// Write output buffer into a file
assetExtracted.write(&assetContent[0], assetContent.size());
assetExtracted.close();
__android_log_print(ANDROID_LOG_DEFAULT, "Assimp", "Asset extracted");
} else {
__android_log_print(ANDROID_LOG_ERROR, "assimp", "Asset not found: %s", name.c_str());
return false;
}
return true;
__android_log_print(ANDROID_LOG_DEFAULT, "Assimp", "Asset extracted");
} else {
__android_log_print(ANDROID_LOG_ERROR, "assimp", "Asset not found: %s", name.c_str());
return false;
}
return true;
}
// ------------------------------------------------------------------------------------------------
// Open a new file with a given path.
IOStream* AndroidJNIIOSystem::Open( const char* strFile, const char* strMode)
{
ai_assert(NULL != strFile);
ai_assert(NULL != strMode);
IOStream* AndroidJNIIOSystem::Open( const char* strFile, const char* strMode) {
ai_assert(nullptr != strFile);
ai_assert(nullptr != strMode);
std::string fullPath(mApkWorkspacePath + getOsSeparator() + std::string(strFile));
if (Exists(strFile))
AndroidExtractAsset(std::string(strFile));
std::string fullPath(mApkWorkspacePath + getOsSeparator() + std::string(strFile));
if (Exists(strFile)) {
AndroidExtractAsset(std::string(strFile));
}
FILE* file = ::fopen( fullPath.c_str(), strMode);
FILE* file = ::fopen( fullPath.c_str(), strMode);
if (nullptr == file) {
return nullptr;
}
if( NULL == file)
return NULL;
__android_log_print(ANDROID_LOG_ERROR, "assimp", "AndroidIOSystem: file %s opened", fullPath.c_str());
return new DefaultIOStream(file, fullPath);
__android_log_print(ANDROID_LOG_ERROR, "assimp", "AndroidIOSystem: file %s opened", fullPath.c_str());
return new DefaultIOStream(file, fullPath);
}
#undef PATHLIMIT