irrlicht/source/Irrlicht/Android/CAndroidAssetReader.cpp
cutealien 2ae2a551a6 Merging r5975 through r6036 from trunk to ogl-es branch.
GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475
2020-01-03 19:05:16 +00:00

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1.7 KiB
C++

// Copyright (C) 2002-2011 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_ANDROID_ASSET_READER_
#include "CAndroidAssetReader.h"
#include "CReadFile.h"
#include "coreutil.h"
#include "CAndroidAssetReader.h"
#include "CIrrDeviceAndroid.h"
#include <android_native_app_glue.h>
#include <android/native_activity.h>
namespace irr
{
namespace io
{
CAndroidAssetReader::CAndroidAssetReader(AAssetManager *assetManager, const io::path &filename)
: AssetManager(assetManager), Filename(filename)
{
Asset = AAssetManager_open(AssetManager,
core::stringc(filename).c_str(),
AASSET_MODE_RANDOM);
}
CAndroidAssetReader::~CAndroidAssetReader()
{
if(Asset)
AAsset_close(Asset);
}
size_t CAndroidAssetReader::read(void* buffer, size_t sizeToRead)
{
int readBytes = AAsset_read(Asset, buffer, sizeToRead);
if ( readBytes >= 0 )
return size_t(readBytes);
return 0; // direct fd access is not possible (for example, if the asset is compressed).
}
bool CAndroidAssetReader::seek(long finalPos, bool relativeMovement)
{
off_t status = AAsset_seek(Asset, finalPos, relativeMovement ? SEEK_CUR : SEEK_SET);
return status+1;
}
long CAndroidAssetReader::getSize() const
{
return AAsset_getLength(Asset);
}
long CAndroidAssetReader::getPos() const
{
return AAsset_getLength(Asset) - AAsset_getRemainingLength(Asset);
}
const io::path& CAndroidAssetReader::getFileName() const
{
return Filename;
}
} // end namespace io
} // end namespace irr
#endif // _IRR_COMPILE_ANDROID_ASSET_READER_