Android JNI asset extraction support (API 9+)
Signed-off-by: Filip Wasil <filip.wasil@tieto.com>pull/399/head
Filip Wasil
parent
c967cf7af5
commit
7224476ee1
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@ -45,6 +45,8 @@ set(LIBASSIMP-DEV_COMPONENT "libassimp${ASSIMP_VERSION_MAJOR}.${ASSIMP_VERSION_M
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set(CPACK_COMPONENTS_ALL assimp-bin ${LIBASSIMP_COMPONENT} ${LIBASSIMP-DEV_COMPONENT} assimp-dev)
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set(ASSIMP_LIBRARY_SUFFIX "" CACHE STRING "Suffix to append to library names")
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option(ASSIMP_ANDROID_JNIIOSYSTEM "Android JNI IOSystem support is active" OFF)
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if((CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) AND NOT CMAKE_COMPILER_IS_MINGW)
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add_definitions(-fPIC) # this is a very important switch and some libraries seem now to have it....
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# hide all not-exported symbols
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3
CREDITS
3
CREDITS
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@ -148,3 +148,6 @@ Bugfixes for uv-tanget calculation.
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- Jonne Nauha
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Ogre Binary format support
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- Filip Wasil, Tieto Poland Sp. z o.o.
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Android JNI asset extraction support
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@ -725,6 +725,13 @@ ADD_LIBRARY( assimp ${assimp_src} )
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SET_PROPERTY(TARGET assimp PROPERTY DEBUG_POSTFIX ${ASSIMP_DEBUG_POSTFIX})
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TARGET_LINK_LIBRARIES(assimp ${ZLIB_LIBRARIES})
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if(ANDROID AND ASSIMP_ANDROID_JNIIOSYSTEM)
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set(ASSIMP_ANDROID_JNIIOSYSTEM_PATH port/AndroidJNI/)
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add_subdirectory(../${ASSIMP_ANDROID_JNIIOSYSTEM_PATH} ../${ASSIMP_ANDROID_JNIIOSYSTEM_PATH})
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target_link_libraries(assimp android_jniiosystem)
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endif(ANDROID AND ASSIMP_ANDROID_JNIIOSYSTEM)
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SET_TARGET_PROPERTIES( assimp PROPERTIES
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VERSION ${ASSIMP_VERSION}
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SOVERSION ${ASSIMP_SOVERSION} # use full version
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@ -751,6 +758,9 @@ INSTALL( TARGETS assimp
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COMPONENT ${LIBASSIMP_COMPONENT})
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INSTALL( FILES ${PUBLIC_HEADERS} DESTINATION ${ASSIMP_INCLUDE_INSTALL_DIR}/assimp COMPONENT assimp-dev)
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INSTALL( FILES ${COMPILER_HEADERS} DESTINATION ${ASSIMP_INCLUDE_INSTALL_DIR}/assimp/Compiler COMPONENT assimp-dev)
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if (ASSIMP_ANDROID_JNIIOSYSTEM)
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INSTALL( FILES assimp/${ANDROID_JNI_PATH}/AndroidJNIIOSystem.h DESTINATION ${ASSIMP_INCLUDE_INSTALL_DIR}/assimp/${ANDROID_JNI_PATH} COMPONENT assimp-dev)
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endif(ASSIMP_ANDROID_JNIIOSYSTEM)
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if(MSVC AND ASSIMP_INSTALL_PDB)
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install(FILES ${Assimp_BINARY_DIR}/code/Debug/assimp${ASSIMP_DEBUG_POSTFIX}.pdb
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@ -56,6 +56,9 @@ namespace Assimp {
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class DefaultIOStream : public IOStream
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{
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friend class DefaultIOSystem;
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#if __ANDROID__ and __ANDROID_API__ > 9 and defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
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friend class AndroidJNIIOSystem;
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#endif //__ANDROID__ and __ANDROID_API__ > 9 and defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
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protected:
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DefaultIOStream ();
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@ -841,6 +841,14 @@ enum aiComponent
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*/
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#define AI_CONFIG_IMPORT_IFC_SKIP_SPACE_REPRESENTATIONS "IMPORT_IFC_SKIP_SPACE_REPRESENTATIONS"
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/** @brief Specifies whether the Android JNI asset extraction is supported.
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*
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* Turn on this option if you want to manage assets in native
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* Android application without having to keep the internal directory and asset
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* manager pointer.
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*/
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#define AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT "AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT"
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// ---------------------------------------------------------------------------
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/** @brief Specifies whether the IFC loader skips over
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@ -0,0 +1,92 @@
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/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2012, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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/** @file Android implementation of IOSystem using the standard C file functions.
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* Aimed to ease the acces to android assets */
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#if __ANDROID__ and __ANDROID_API__ > 9 and defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
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#ifndef AI_ANDROIDJNIIOSYSTEM_H_INC
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#define AI_ANDROIDJNIIOSYSTEM_H_INC
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#include "../code/DefaultIOSystem.h"
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#include <android/asset_manager.h>
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#include <android/asset_manager_jni.h>
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#include <android/native_activity.h>
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namespace Assimp {
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// ---------------------------------------------------------------------------
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/** Android extension to DefaultIOSystem using the standard C file functions */
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class AndroidJNIIOSystem : public DefaultIOSystem
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{
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public:
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/** Initialize android activity data */
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std::string mApkWorkspacePath;
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AAssetManager* mApkAssetManager;
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/** Constructor. */
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AndroidJNIIOSystem(ANativeActivity* activity);
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/** Destructor. */
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~AndroidJNIIOSystem();
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// -------------------------------------------------------------------
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/** Tests for the existence of a file at the given path. */
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bool Exists( const char* pFile) const;
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// -------------------------------------------------------------------
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/** Opens a file at the given path, with given mode */
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IOStream* Open( const char* strFile, const char* strMode);
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// ------------------------------------------------------------------------------------------------
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// Inits Android extractor
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void AndroidActivityInit(ANativeActivity* activity);
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// ------------------------------------------------------------------------------------------------
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// Extracts android asset
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bool AndroidExtractAsset(std::string name);
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};
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} //!ns Assimp
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#endif //AI_ANDROIDJNIIOSYSTEM_H_INC
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#endif //__ANDROID__ and __ANDROID_API__ > 9 and defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
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@ -0,0 +1,173 @@
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/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2012, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file Android extension of DefaultIOSystem using the standard C file functions */
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#include <code/AssimpPCH.h>
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#if __ANDROID__ and __ANDROID_API__ > 9 and defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
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#include <stdlib.h>
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#include <android/log.h>
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#include <android/asset_manager.h>
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#include <android/asset_manager_jni.h>
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#include <android/native_activity.h>
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#include <assimp/port/AndroidJNI/AndroidJNIIOSystem.h>
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#include <code/DefaultIOStream.h>
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#include <fstream>
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using namespace Assimp;
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// ------------------------------------------------------------------------------------------------
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// Constructor.
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AndroidJNIIOSystem::AndroidJNIIOSystem(ANativeActivity* activity)
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{
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AndroidActivityInit(activity);
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}
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// ------------------------------------------------------------------------------------------------
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// Destructor.
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AndroidJNIIOSystem::~AndroidJNIIOSystem()
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{
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// nothing to do here
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}
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// ------------------------------------------------------------------------------------------------
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// Tests for the existence of a file at the given path.
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bool AndroidJNIIOSystem::Exists( const char* pFile) const
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{
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AAsset* asset = AAssetManager_open(mApkAssetManager, pFile,
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AASSET_MODE_UNKNOWN);
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FILE* file = ::fopen( (mApkWorkspacePath + getOsSeparator() + std::string(pFile)).c_str(), "rb");
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if (!asset && !file)
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{
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__android_log_print(ANDROID_LOG_ERROR, "Assimp", "Asset manager can not find: %s", pFile);
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return false;
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}
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__android_log_print(ANDROID_LOG_ERROR, "Assimp", "Asset exists");
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if (file)
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::fclose( file);
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return true;
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}
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// ------------------------------------------------------------------------------------------------
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// Inits Android extractor
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void AndroidJNIIOSystem::AndroidActivityInit(ANativeActivity* activity)
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{
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mApkWorkspacePath = activity->internalDataPath;
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mApkAssetManager = activity->assetManager;
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}
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// ------------------------------------------------------------------------------------------------
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// Extracts android asset
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bool AndroidJNIIOSystem::AndroidExtractAsset(std::string name)
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{
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std::string newPath = mApkWorkspacePath + getOsSeparator() + name;
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DefaultIOSystem io;
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// Do not extract if extracted already
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if ( io.Exists(newPath.c_str()) ) {
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__android_log_print(ANDROID_LOG_DEFAULT, "Assimp", "Asset already extracted");
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return true;
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}
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// Open file
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AAsset* asset = AAssetManager_open(mApkAssetManager, name.c_str(),
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AASSET_MODE_UNKNOWN);
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std::string assetContent;
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if (asset != NULL) {
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// Find size
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off_t assetSize = AAsset_getLength(asset);
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// Prepare input buffer
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assetContent.resize(assetSize);
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// Store input buffer
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AAsset_read(asset, &assetContent[0], assetSize);
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// Close
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AAsset_close(asset);
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// Prepare output buffer
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std::ofstream assetExtracted(newPath.c_str(),
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std::ios::out | std::ios::binary);
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if (!assetExtracted) {
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__android_log_print(ANDROID_LOG_ERROR, "assimp",
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"Can not open output file");
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}
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// Write output buffer into a file
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assetExtracted.write(assetContent.c_str(), strlen(assetContent.c_str()));
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assetExtracted.close();
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__android_log_print(ANDROID_LOG_DEFAULT, "Assimp", "Asset extracted");
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} else {
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__android_log_print(ANDROID_LOG_ERROR, "assimp", "Asset not found: %s", name.c_str());
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return false;
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}
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return true;
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}
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// ------------------------------------------------------------------------------------------------
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// Open a new file with a given path.
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IOStream* AndroidJNIIOSystem::Open( const char* strFile, const char* strMode)
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{
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ai_assert(NULL != strFile);
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ai_assert(NULL != strMode);
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std::string fullPath(mApkWorkspacePath + getOsSeparator() + std::string(strFile));
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if (Exists(strFile))
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AndroidExtractAsset(std::string(strFile));
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FILE* file = ::fopen( fullPath.c_str(), strMode);
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if( NULL == file)
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return NULL;
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__android_log_print(ANDROID_LOG_ERROR, "assimp", "AndroidIOSystem: file %s opened", fullPath.c_str());
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return new DefaultIOStream(file, fullPath);
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}
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#undef PATHLIMIT
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#endif // __ANDROID__ and __ANDROID_API__ > 9 and defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
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@ -0,0 +1,6 @@
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cmake_minimum_required(VERSION 2.8)
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include_directories(./)
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include_directories(./../../)
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add_library(android_jniiosystem STATIC AndroidJNIIOSystem.cpp)
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TARGET_LINK_LIBRARIES(android_jniiosystem android log)
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@ -0,0 +1,27 @@
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--- Description ---
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This module provides a facade to io stream access to files
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behind android asset manager within Android native application.
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- It is built as a static library
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- It requires Android NDK with android API > 9 support.
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--- Building ---
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To use this module please provide following cmake defines:
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-DASSIMP_ANDROID_JNIIOSYSTEM=ON
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-DCMAKE_TOOLCHAIN_FILE=$SOME_PATH/android.toolchain.cmake
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"SOME_PATH" is a path to your cmake android toolchain script.
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--- Code ---
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#include <assimp/port/AndroidJNI/AndroidJNIIOSystem.h>
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...
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Assimp::Importer* importer = new Assimp::Importer();
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Assimp::AndroidJNIIOSystem* ioSystem = new Assimp::AndroidJNIIOSystem(app->activity);
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importer->SetIOHandler(ioSystem);
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...
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