assimp.assimp/port/AndroidJNI/BundledAssetIOSystem.cpp

/*
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Open Asset Import Library (assimp)
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/** @file Android extension of DefaultIOSystem using the standard C file functions */

#include <assimp/ai_assert.h>
#include <android/asset_manager.h>
#include <assimp/DefaultIOStream.h>

#if __ANDROID__ and __ANDROID_API__ > 9 and defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)

#include <assimp/port/AndroidJNI/BundledAssetIOSystem.h>

using namespace Assimp;

/** Tests for the existence of a file at the given path. */
bool BundledAssetIOSystem::Exists(const char* pFile) const {
    ai_assert(NULL != mApkAssetManager);
    AAsset *  asset = AAssetManager_open(mApkAssetManager, pFile, AASSET_MODE_UNKNOWN);
    if (!asset) { return false; }
    if (asset) AAsset_close(asset);
    return true;
}

// -------------------------------------------------------------------
/** Open a new file with a given path. */
Assimp::IOStream* BundledAssetIOSystem::Open(const char* pFile, const char* pMode) {
    ai_assert(NULL != mApkAssetManager);
    AAsset *  asset = AAssetManager_open(mApkAssetManager, pFile, AASSET_MODE_UNKNOWN);
    if (!asset) { return NULL; }

    return new AssetIOStream(asset);
}

// -------------------------------------------------------------------
/** Closes the given file and releases all resources associated with it. */
void BundledAssetIOSystem::Close(Assimp::IOStream* pFile) {
    delete reinterpret_cast<AssetIOStream *>(pFile);
}

#endif // __ANDROID__ and __ANDROID_API__ > 9 and defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)