diff --git a/examples/Importers/ImportURDFDemo/UrdfRenderingInterface.h b/examples/Importers/ImportURDFDemo/UrdfRenderingInterface.h
index a9c1ba57d..f84e6f551 100644
--- a/examples/Importers/ImportURDFDemo/UrdfRenderingInterface.h
+++ b/examples/Importers/ImportURDFDemo/UrdfRenderingInterface.h
@@ -87,8 +87,9 @@ struct UrdfRenderingInterface
 	virtual void render(const float viewMat[16], const float projMat[16]) = 0;
 
 	///load a texture from file, in png or other popular/supported format
-	virtual int loadTextureFile(const char* filename) = 0;
-
+	//virtual int loadTextureFile(const char* filename) = 0;
+	virtual int loadTextureFile(const char* filename, struct CommonFileIOInterface* fileIO)=0;
+	
 	///register a texture using an in-memory pixel buffer of a given width and height
 	virtual int registerTexture(unsigned char* texels, int width, int height) = 0;
 
diff --git a/examples/SharedMemory/PhysicsServerCommandProcessor.cpp b/examples/SharedMemory/PhysicsServerCommandProcessor.cpp
index 12c1aa7be..e7bcb6b07 100644
--- a/examples/SharedMemory/PhysicsServerCommandProcessor.cpp
+++ b/examples/SharedMemory/PhysicsServerCommandProcessor.cpp
@@ -77,7 +77,8 @@
 #include "plugins/tinyRendererPlugin/tinyRendererPlugin.h"
 #endif
 
-#ifndef B3_ENABLE_FILEIO_PLUGIN
+
+#ifdef B3_ENABLE_FILEIO_PLUGIN
 #include "plugins/fileIOPlugin/fileIOPlugin.h"
 #endif//B3_DISABLE_FILEIO_PLUGIN
 
@@ -9911,7 +9912,7 @@ bool PhysicsServerCommandProcessor::processLoadTextureCommand(const struct Share
 			int uid = -1;
 			if (m_data->m_pluginManager.getRenderInterface())
 			{
-				uid = m_data->m_pluginManager.getRenderInterface()->loadTextureFile(relativeFileName);
+				uid = m_data->m_pluginManager.getRenderInterface()->loadTextureFile(relativeFileName, fileIO);
 			}
 			if (uid >= 0)
 			{
@@ -9920,8 +9921,37 @@ bool PhysicsServerCommandProcessor::processLoadTextureCommand(const struct Share
 
 			{
 				int width, height, n;
-				unsigned char* imageData = stbi_load(relativeFileName, &width, &height, &n, 3);
-
+				unsigned char* imageData = 0;
+				
+				CommonFileIOInterface* fileIO = m_data->m_pluginManager.getFileIOInterface();
+				if (fileIO)
+				{
+					b3AlignedObjectArray<char> buffer;
+					buffer.reserve(1024);
+					int fileId = fileIO->fileOpen(relativeFileName,"rb");
+					if (fileId>=0)
+					{
+						int size = fileIO->getFileSize(fileId);
+						if (size>0)
+						{
+							buffer.resize(size);
+							int actual = fileIO->fileRead(fileId,&buffer[0],size);
+							if (actual != size)
+							{
+								b3Warning("image filesize mismatch!\n");
+								buffer.resize(0);
+							}
+						}
+					}
+					if (buffer.size())
+					{
+						imageData = stbi_load_from_memory((const unsigned char*)&buffer[0], buffer.size(), &width, &height, &n, 3);
+					}
+				} else
+				{
+					imageData = stbi_load(relativeFileName, &width, &height, &n, 3);
+				}
+				
 				if (imageData)
 				{
 					texH->m_openglTextureId = m_data->m_guiHelper->registerTexture(imageData, width, height);
diff --git a/examples/SharedMemory/plugins/eglPlugin/eglRendererVisualShapeConverter.cpp b/examples/SharedMemory/plugins/eglPlugin/eglRendererVisualShapeConverter.cpp
index 367fb3b50..4b06f4894 100644
--- a/examples/SharedMemory/plugins/eglPlugin/eglRendererVisualShapeConverter.cpp
+++ b/examples/SharedMemory/plugins/eglPlugin/eglRendererVisualShapeConverter.cpp
@@ -1317,12 +1317,40 @@ int EGLRendererVisualShapeConverter::registerTexture(unsigned char* texels, int
 	return m_data->m_textures.size() - 1;
 }
 
-int EGLRendererVisualShapeConverter::loadTextureFile(const char* filename)
+int EGLRendererVisualShapeConverter::loadTextureFile(const char* filename, struct CommonFileIOInterface* fileIO)
 {
 	B3_PROFILE("loadTextureFile");
 	int width, height, n;
 	unsigned char* image = 0;
-	image = stbi_load(filename, &width, &height, &n, 3);
+
+	if (fileIO)
+	{
+		b3AlignedObjectArray<char> buffer;
+		buffer.reserve(1024);
+		int fileId = fileIO->fileOpen(filename,"rb");
+		if (fileId>=0)
+		{
+			int size = fileIO->getFileSize(fileId);
+			if (size>0)
+			{
+				buffer.resize(size);
+				int actual = fileIO->fileRead(fileId,&buffer[0],size);
+				if (actual != size)
+				{
+					b3Warning("image filesize mismatch!\n");
+					buffer.resize(0);
+				}
+			}
+		}
+		if (buffer.size())
+		{
+			image = stbi_load_from_memory((const unsigned char*)&buffer[0], buffer.size(), &width, &height, &n, 3);
+		}
+	} else
+	{
+		image = stbi_load(filename, &width, &height, &n, 3);
+	}
+
 	if (image && (width >= 0) && (height >= 0))
 	{
 		return registerTexture(image, width, height);
diff --git a/examples/SharedMemory/plugins/eglPlugin/eglRendererVisualShapeConverter.h b/examples/SharedMemory/plugins/eglPlugin/eglRendererVisualShapeConverter.h
index 1d74a8a09..a6caea855 100644
--- a/examples/SharedMemory/plugins/eglPlugin/eglRendererVisualShapeConverter.h
+++ b/examples/SharedMemory/plugins/eglPlugin/eglRendererVisualShapeConverter.h
@@ -48,7 +48,7 @@ struct EGLRendererVisualShapeConverter : public UrdfRenderingInterface
 	virtual void render();
 	virtual void render(const float viewMat[16], const float projMat[16]);
 
-	virtual int loadTextureFile(const char* filename);
+	virtual int loadTextureFile(const char* filename, struct CommonFileIOInterface* fileIO);
 	virtual int registerTexture(unsigned char* texels, int width, int height);
 
 	virtual void setProjectiveTextureMatrices(const float viewMatrix[16], const float projectionMatrix[16]);
diff --git a/examples/SharedMemory/plugins/fileIOPlugin/fileIOPlugin.cpp b/examples/SharedMemory/plugins/fileIOPlugin/fileIOPlugin.cpp
index 80ebafb69..9b39ae469 100644
--- a/examples/SharedMemory/plugins/fileIOPlugin/fileIOPlugin.cpp
+++ b/examples/SharedMemory/plugins/fileIOPlugin/fileIOPlugin.cpp
@@ -9,247 +9,11 @@
 #include "../../../Utils/b3BulletDefaultFileIO.h"
 
 
+#include "zipFileIO.h"
+
 //#define B3_USE_ZLIB
 #ifdef B3_USE_ZLIB
-
-#include "minizip/unzip.h"
-
-struct MyFileIO : public CommonFileIOInterface
-{
-	std::string m_zipfileName;
-
-	unzFile	m_fileHandles[FILEIO_MAX_FILES];
-	int m_numFileHandles;
-
-	MyFileIO(const char* zipfileName)
-		:m_zipfileName(zipfileName),
-		m_numFileHandles(0)
-	{
-		for (int i=0;i<FILEIO_MAX_FILES;i++)
-		{
-			m_fileHandles[i]=0;
-		}
-	}
-
-		
-	static bool FileIOPluginFindFile(void* userPtr, const char* orgFileName, char* relativeFileName, int maxRelativeFileNameMaxLen)
-	{
-		MyFileIO* fileIo = (MyFileIO*) userPtr;
-		return fileIo->findFile(orgFileName, relativeFileName, maxRelativeFileNameMaxLen);
-	}
-
-	virtual ~MyFileIO()
-	{
-	}
-	virtual int fileOpen(const char* fileName, const char* mode)
-	{
-		//search a free slot
-		int slot = -1;
-		for (int i=0;i<FILEIO_MAX_FILES;i++)
-		{
-			if (m_fileHandles[i]==0)
-			{
-				slot=i;
-				break;
-			}
-		}
-		if (slot>=0)
-		{
-			unzFile zipfile;
-			unz_global_info m_global_info;
-			zipfile = unzOpen(m_zipfileName.c_str());
-			if (zipfile == NULL)
-			{
-				printf("%s: not found\n", m_zipfileName.c_str());
-				slot = -1;
-			} else
-			{
-				int result = 0;
-				result = unzGetGlobalInfo(zipfile, &m_global_info );
-				if (result != UNZ_OK)
-				{
-					printf("could not read file global info from %s\n", m_zipfileName.c_str());
-					unzClose(zipfile);
-					zipfile = 0;
-					slot = -1;
-				} else
-				{
-					m_fileHandles[slot] = zipfile;
-				}
-			}
-			if (slot >=0)
-			{
-				int result = unzLocateFile(zipfile, fileName, 0);
-				if (result == UNZ_OK)
-				{
-					unz_file_info info;
-					result = unzGetCurrentFileInfo(zipfile, &info, NULL, 0, NULL, 0, NULL, 0);
-					if (result != UNZ_OK)
-					{
-						printf("unzGetCurrentFileInfo() != UNZ_OK (%d)\n", result);
-						slot=-1;
-					}
-					else
-					{
-						result = unzOpenCurrentFile(zipfile);
-						if (result == UNZ_OK)
-						{
-						} else
-						{
-							slot=-1;
-						}
-					}
-				}
-			}
-		}
-		return slot;
-	}
-	virtual int fileRead(int fileHandle, char* destBuffer, int numBytes)
-	{
-		int result = -1;
-		if (fileHandle>=0 && fileHandle < FILEIO_MAX_FILES)
-		{
-			unzFile f = m_fileHandles[fileHandle];
-			if (f)
-			{
-				result = unzReadCurrentFile(f, destBuffer,numBytes);
-				//::fread(destBuffer, 1, numBytes, f);
-			}
-		}
-		return result;
-			
-	}
-	virtual int fileWrite(int fileHandle,const char* sourceBuffer, int numBytes)
-	{
-#if 0
-		if (fileHandle>=0 && fileHandle < FILEIO_MAX_FILES)
-		{
-			FILE* f = m_fileHandles[fileHandle];
-			if (f)
-			{
-				return ::fwrite(sourceBuffer, 1, numBytes,m_fileHandles[fileHandle]);
-			}
-		}
-#endif
-		return -1;
-	}
-	virtual void fileClose(int fileHandle)
-	{
-		if (fileHandle>=0 && fileHandle < FILEIO_MAX_FILES)
-		{
-			unzFile f = m_fileHandles[fileHandle];
-			if (f)
-			{
-				unzClose(f);
-				m_fileHandles[fileHandle]=0;
-			}
-		}
-	}
-
-	virtual bool findResourcePath(const char* fileName, char* relativeFileName, int relativeFileNameSizeInBytes)
-	{
-		return b3ResourcePath::findResourcePath(fileName, relativeFileName, relativeFileNameSizeInBytes, MyFileIO::FileIOPluginFindFile, this);
-	}
-
-
-	virtual bool findFile(const char* orgFileName, char* relativeFileName, int maxRelativeFileNameMaxLen)
-	{
-		int fileHandle = -1;
-		fileHandle = fileOpen(orgFileName, "rb");
-		if (fileHandle>=0)
-		{
-			//printf("original file found: [%s]\n", orgFileName);
-			sprintf(relativeFileName, "%s", orgFileName);
-			fileClose(fileHandle);
-			return true;
-		}
-
-		//printf("Trying various directories, relative to current working directory\n");
-		const char* prefix[] = {"./", "./data/", "../data/", "../../data/", "../../../data/", "../../../../data/"};
-		int numPrefixes = sizeof(prefix) / sizeof(const char*);
-
-		int f = 0;
-		bool fileFound = false;
-
-		for (int i = 0; !f && i < numPrefixes; i++)
-		{
-#ifdef _MSC_VER
-			sprintf_s(relativeFileName, maxRelativeFileNameMaxLen, "%s%s", prefix[i], orgFileName);
-#else
-			sprintf(relativeFileName, "%s%s", prefix[i], orgFileName);
-#endif
-			f = fileOpen(relativeFileName, "rb");
-			if (f>=0)
-			{
-				fileFound = true;
-				break;
-			}
-		}
-		if (f>=0)
-		{
-			fileClose(f);
-		}
-
-		return fileFound;
-	}
-	virtual char* readLine(int fileHandle, char* destBuffer, int numBytes)
-	{
-		int numRead = 0;
-				
-		if (fileHandle>=0 && fileHandle < FILEIO_MAX_FILES)
-		{
-			unzFile f = m_fileHandles[fileHandle];
-			if (f)
-			{
-				//return ::fgets(destBuffer, numBytes, m_fileHandles[fileHandle]);
-				char c = 0;
-				do
-				{
-					fileRead(fileHandle,&c,1);
-					if (c && c!='\n')
-					{
-						if (c!=13)
-						{
-							destBuffer[numRead++]=c;
-						} else
-						{
-							destBuffer[numRead++]=0;
-						}
-					}
-				} while (c != 0 && c != '\n' && numRead<(numBytes-1));
-			}
-		}
-		if (numRead<numBytes && numRead>0)
-		{
-			destBuffer[numRead]=0;
-			return &destBuffer[0];
-		}
-		return 0;
-	}
-	virtual int getFileSize(int fileHandle)
-	{
-		int size=0;
-
-		if (fileHandle>=0 && fileHandle < FILEIO_MAX_FILES)
-		{
-			unzFile f = m_fileHandles[fileHandle];
-			if (f)
-			{
-				unz_file_info info;
-				int result = unzGetCurrentFileInfo(f, &info, NULL, 0, NULL, 0, NULL, 0);
-				if (result == UNZ_OK)
-				{
-					size = info.uncompressed_size;
-				}
-			}
-		}
-		return size;
-	}
-	
-};
-
-
-
+typedef ZipFileIO MyFileIO;
 #else
 typedef b3BulletDefaultFileIO MyFileIO;
 #endif
diff --git a/examples/SharedMemory/plugins/fileIOPlugin/zipFileIO.h b/examples/SharedMemory/plugins/fileIOPlugin/zipFileIO.h
new file mode 100644
index 000000000..e83c06c63
--- /dev/null
+++ b/examples/SharedMemory/plugins/fileIOPlugin/zipFileIO.h
@@ -0,0 +1,238 @@
+
+#include "minizip/unzip.h"
+
+#define B3_ZIP_FILEIO_MAX_FILES   1024
+
+struct ZipFileIO : public CommonFileIOInterface
+{
+	std::string m_zipfileName;
+
+	unzFile	m_fileHandles[B3_ZIP_FILEIO_MAX_FILES ];
+	int m_numFileHandles;
+
+	ZipFileIO(const char* zipfileName)
+		:m_zipfileName(zipfileName),
+		m_numFileHandles(0)
+	{
+		for (int i=0;i<B3_ZIP_FILEIO_MAX_FILES ;i++)
+		{
+			m_fileHandles[i]=0;
+		}
+	}
+
+		
+	static bool FileIOPluginFindFile(void* userPtr, const char* orgFileName, char* relativeFileName, int maxRelativeFileNameMaxLen)
+	{
+		ZipFileIO* fileIo = (ZipFileIO*) userPtr;
+		return fileIo->findFile(orgFileName, relativeFileName, maxRelativeFileNameMaxLen);
+	}
+
+	virtual ~ZipFileIO()
+	{
+	}
+	virtual int fileOpen(const char* fileName, const char* mode)
+	{
+		//search a free slot
+		int slot = -1;
+		for (int i=0;i<B3_ZIP_FILEIO_MAX_FILES ;i++)
+		{
+			if (m_fileHandles[i]==0)
+			{
+				slot=i;
+				break;
+			}
+		}
+		if (slot>=0)
+		{
+			unzFile zipfile;
+			unz_global_info m_global_info;
+			zipfile = unzOpen(m_zipfileName.c_str());
+			if (zipfile == NULL)
+			{
+				printf("%s: not found\n", m_zipfileName.c_str());
+				slot = -1;
+			} else
+			{
+				int result = 0;
+				result = unzGetGlobalInfo(zipfile, &m_global_info );
+				if (result != UNZ_OK)
+				{
+					printf("could not read file global info from %s\n", m_zipfileName.c_str());
+					unzClose(zipfile);
+					zipfile = 0;
+					slot = -1;
+				} else
+				{
+					m_fileHandles[slot] = zipfile;
+				}
+			}
+			if (slot >=0)
+			{
+				int result = unzLocateFile(zipfile, fileName, 0);
+				if (result == UNZ_OK)
+				{
+					unz_file_info info;
+					result = unzGetCurrentFileInfo(zipfile, &info, NULL, 0, NULL, 0, NULL, 0);
+					if (result != UNZ_OK)
+					{
+						printf("unzGetCurrentFileInfo() != UNZ_OK (%d)\n", result);
+						slot=-1;
+					}
+					else
+					{
+						result = unzOpenCurrentFile(zipfile);
+						if (result == UNZ_OK)
+						{
+						} else
+						{
+							slot=-1;
+						}
+					}
+				}
+			}
+		}
+		return slot;
+	}
+	virtual int fileRead(int fileHandle, char* destBuffer, int numBytes)
+	{
+		int result = -1;
+		if (fileHandle>=0 && fileHandle < B3_ZIP_FILEIO_MAX_FILES )
+		{
+			unzFile f = m_fileHandles[fileHandle];
+			if (f)
+			{
+				result = unzReadCurrentFile(f, destBuffer,numBytes);
+				//::fread(destBuffer, 1, numBytes, f);
+			}
+		}
+		return result;
+			
+	}
+	virtual int fileWrite(int fileHandle,const char* sourceBuffer, int numBytes)
+	{
+#if 0
+		if (fileHandle>=0 && fileHandle < B3_ZIP_FILEIO_MAX_FILES )
+		{
+			FILE* f = m_fileHandles[fileHandle];
+			if (f)
+			{
+				return ::fwrite(sourceBuffer, 1, numBytes,m_fileHandles[fileHandle]);
+			}
+		}
+#endif
+		return -1;
+	}
+	virtual void fileClose(int fileHandle)
+	{
+		if (fileHandle>=0 && fileHandle < B3_ZIP_FILEIO_MAX_FILES )
+		{
+			unzFile f = m_fileHandles[fileHandle];
+			if (f)
+			{
+				unzClose(f);
+				m_fileHandles[fileHandle]=0;
+			}
+		}
+	}
+
+	virtual bool findResourcePath(const char* fileName, char* relativeFileName, int relativeFileNameSizeInBytes)
+	{
+		return b3ResourcePath::findResourcePath(fileName, relativeFileName, relativeFileNameSizeInBytes, ZipFileIO::FileIOPluginFindFile, this);
+	}
+
+
+	virtual bool findFile(const char* orgFileName, char* relativeFileName, int maxRelativeFileNameMaxLen)
+	{
+		int fileHandle = -1;
+		fileHandle = fileOpen(orgFileName, "rb");
+		if (fileHandle>=0)
+		{
+			//printf("original file found: [%s]\n", orgFileName);
+			sprintf(relativeFileName, "%s", orgFileName);
+			fileClose(fileHandle);
+			return true;
+		}
+
+		//printf("Trying various directories, relative to current working directory\n");
+		const char* prefix[] = {"./", "./data/", "../data/", "../../data/", "../../../data/", "../../../../data/"};
+		int numPrefixes = sizeof(prefix) / sizeof(const char*);
+
+		int f = 0;
+		bool fileFound = false;
+
+		for (int i = 0; !f && i < numPrefixes; i++)
+		{
+#ifdef _MSC_VER
+			sprintf_s(relativeFileName, maxRelativeFileNameMaxLen, "%s%s", prefix[i], orgFileName);
+#else
+			sprintf(relativeFileName, "%s%s", prefix[i], orgFileName);
+#endif
+			f = fileOpen(relativeFileName, "rb");
+			if (f>=0)
+			{
+				fileFound = true;
+				break;
+			}
+		}
+		if (f>=0)
+		{
+			fileClose(f);
+		}
+
+		return fileFound;
+	}
+	virtual char* readLine(int fileHandle, char* destBuffer, int numBytes)
+	{
+		int numRead = 0;
+				
+		if (fileHandle>=0 && fileHandle < B3_ZIP_FILEIO_MAX_FILES )
+		{
+			unzFile f = m_fileHandles[fileHandle];
+			if (f)
+			{
+				//return ::fgets(destBuffer, numBytes, m_fileHandles[fileHandle]);
+				char c = 0;
+				do
+				{
+					fileRead(fileHandle,&c,1);
+					if (c && c!='\n')
+					{
+						if (c!=13)
+						{
+							destBuffer[numRead++]=c;
+						} else
+						{
+							destBuffer[numRead++]=0;
+						}
+					}
+				} while (c != 0 && c != '\n' && numRead<(numBytes-1));
+			}
+		}
+		if (numRead<numBytes && numRead>0)
+		{
+			destBuffer[numRead]=0;
+			return &destBuffer[0];
+		}
+		return 0;
+	}
+	virtual int getFileSize(int fileHandle)
+	{
+		int size=0;
+
+		if (fileHandle>=0 && fileHandle < B3_ZIP_FILEIO_MAX_FILES )
+		{
+			unzFile f = m_fileHandles[fileHandle];
+			if (f)
+			{
+				unz_file_info info;
+				int result = unzGetCurrentFileInfo(f, &info, NULL, 0, NULL, 0, NULL, 0);
+				if (result == UNZ_OK)
+				{
+					size = info.uncompressed_size;
+				}
+			}
+		}
+		return size;
+	}
+	
+};
diff --git a/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.cpp b/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.cpp
index 12bc80cb7..32cbd8fd4 100644
--- a/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.cpp
+++ b/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.cpp
@@ -1170,12 +1170,39 @@ int TinyRendererVisualShapeConverter::registerTexture(unsigned char* texels, int
 	return m_data->m_textures.size() - 1;
 }
 
-int TinyRendererVisualShapeConverter::loadTextureFile(const char* filename)
+int TinyRendererVisualShapeConverter::loadTextureFile(const char* filename, struct CommonFileIOInterface* fileIO)
 {
 	B3_PROFILE("loadTextureFile");
 	int width, height, n;
 	unsigned char* image = 0;
-	image = stbi_load(filename, &width, &height, &n, 3);
+	if (fileIO)
+	{
+		b3AlignedObjectArray<char> buffer;
+		buffer.reserve(1024);
+		int fileId = fileIO->fileOpen(filename,"rb");
+		if (fileId>=0)
+		{
+			int size = fileIO->getFileSize(fileId);
+			if (size>0)
+			{
+				buffer.resize(size);
+				int actual = fileIO->fileRead(fileId,&buffer[0],size);
+				if (actual != size)
+				{
+					b3Warning("image filesize mismatch!\n");
+					buffer.resize(0);
+				}
+			}
+		}
+		if (buffer.size())
+		{
+			image = stbi_load_from_memory((const unsigned char*)&buffer[0], buffer.size(), &width, &height, &n, 3);
+		}
+	} else
+	{
+		image = stbi_load(filename, &width, &height, &n, 3);
+	}
+
 	if (image && (width >= 0) && (height >= 0))
 	{
 		return registerTexture(image, width, height);
diff --git a/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.h b/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.h
index fcd009c3e..5ada574be 100644
--- a/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.h
+++ b/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.h
@@ -47,7 +47,7 @@ struct TinyRendererVisualShapeConverter : public UrdfRenderingInterface
 	virtual void render();
 	virtual void render(const float viewMat[16], const float projMat[16]);
 
-	virtual int loadTextureFile(const char* filename);
+	virtual int loadTextureFile(const char* filename, struct CommonFileIOInterface* fileIO);
 	virtual int registerTexture(unsigned char* texels, int width, int height);
 
 	virtual void syncTransform(int shapeUid, const class btTransform& worldTransform, const class btVector3& localScaling);