diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2236f4b..990bcff 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,8 @@
 
 cmake_minimum_required(VERSION 3.10)
 
+option(OP_COMPILE_WITH_IRRLICHT "compile irrnet with native irrlicht datatypes" ON)
+
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
@@ -10,7 +12,6 @@ set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}/lib")
 set(LIBRARY_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY})
 
 #irrnet stuff
-add_definitions(-DCOMPILE_WITH_IRRLICHT)
 set(IRRNET_TARGET irrnet)
 set(IRRNET_SRC_DIR "${CMAKE_CURRENT_LIST_DIR}/source")
 set(IRRNET_INC_DIR "${CMAKE_CURRENT_LIST_DIR}/include")
@@ -27,15 +28,27 @@ set(ZLIB_DIR "${CMAKE_CURRENT_LIST_DIR}/zlib")
 set(ZLIB_INC_DIR ${ZLIB_DIR}/include)
 add_subdirectory(${ZLIB_DIR} EXCLUDE_FROM_ALL)
 
+#irrlicht stuff
+set(IRRLICHT_INC_DIR /usr/include/irrlicht)
+
 
 project(irrnet)
 
-include_directories(/usr/include/irrlicht)
-
 add_library(${IRRNET_TARGET} STATIC
+    ${IRRNET_INC_DIR}/CEncryption.h
+    ${IRRNET_INC_DIR}/CNetManager.h
+    ${IRRNET_INC_DIR}/INetManager.h
+    ${IRRNET_INC_DIR}/irrNet.h
+    ${IRRNET_INC_DIR}/SPacket.h
     ${IRRNET_SRC_DIR}/CNetManager.cpp
     ${IRRNET_SRC_DIR}/SPacket.cpp
 )
 
+if (OP_COMPILE_WITH_IRRLICHT)
+    message(STATUS "compile with native irrlicht")
+    add_definitions(-DCOMPILE_WITH_IRRLICHT)
+    target_include_directories(${IRRNET_TARGET} PUBLIC ${IRRLICHT_INC_DIR})
+endif()
+
 target_include_directories(${IRRNET_TARGET} PUBLIC ${IRRNET_INC_DIR} ${ENET_INC_DIR} ${ZLIB_INC_DIR})
 
diff --git a/include/SPacket.h b/include/SPacket.h
index e4d4725..303c0a3 100644
--- a/include/SPacket.h
+++ b/include/SPacket.h
@@ -49,8 +49,10 @@ class SOutPacket
 		SOutPacket& operator << (const f64 data);
 		/// Adds data to the packet.
 		SOutPacket& operator << (const core::vector3df& data);
+#ifdef COMPILE_WITH_IRRLICHT
         /// Adds a quaternion to the packet
         SOutPacket& operator << (const core::quaternion&);
+#endif
 		/// Adds data to the packet.
 		SOutPacket& operator << (const c8* string);
 		/// Adds data to the packet.
@@ -116,8 +118,10 @@ class SInPacket
 		void operator >> (f64& data);
 		/// Gets the next item in the packet based on the size of the variable.
         void operator >> (core::vector3df& data);
+#ifdef COMPILE_WITH_IRRLICHT
         /// Gets the next item in the packet based on the size of the variable.
         void operator >> (core::quaternion& data);
+#endif
 		/// Gets the next item in the packet based on the size of the variable.
 		void operator >> (char* string);
 		/// Gets the next item in the packet based on the size of the variable.
diff --git a/source/SPacket.cpp b/source/SPacket.cpp
index e9eaa26..83ebd64 100644
--- a/source/SPacket.cpp
+++ b/source/SPacket.cpp
@@ -106,13 +106,14 @@ SOutPacket& SOutPacket::operator << (const core::vector3df& data)
 	memcpy(buff.pointer() + buff.size() - 12, &data.X, 12);
 	return *this;
 }
-
+#ifdef COMPILE_WITH_IRRLICHT
 SOutPacket& SOutPacket::operator << (const core::quaternion& data)
 {
     enlargeBuffer(16);
     memcpy(buff.pointer() + buff.size() - 16, &data.X, 16);
     return *this;
 }
+#endif
 
 SOutPacket& SOutPacket::operator << (const c8* string)
 {
@@ -304,12 +305,13 @@ void SInPacket::operator >> (core::vector3df &data)
 	memcpy(&data.X,getData()+pos,12);
 	pos+=12;
 }
-
+#ifdef COMPILE_WITH_IRRLICHT
 void SInPacket::operator >> (core::quaternion &data)
 {
     memcpy(&data.X,getData()+pos,16);
     pos+=16;
 }
+#endif
 
 void SInPacket::operator >> (char *string)
 {