diff --git a/cmake/checks.cmake b/cmake/checks.cmake
index bcfe0fe2b..249d787ce 100644
--- a/cmake/checks.cmake
+++ b/cmake/checks.cmake
@@ -363,4 +363,24 @@ MACRO(CHECK_LIBRARIES)
 		MESSAGE(STATUS "Looking for library TinyGLTF - NOT found")
 	ENDIF(TINYGLTF_FOUND)
 
+	# cJSON
+	Find_Package(cJSON)
+
+	IF(CJSON_FOUND)
+		SET(HAVE_CJSON 1)
+		MESSAGE(STATUS "Looking for library cJSON - found")
+	ELSE(CJSON_FOUND)
+		MESSAGE(STATUS "Looking for library cJSON - NOT found")
+	ENDIF(CJSON_FOUND)
+
+	# minizip
+	Find_Package(minizip)
+
+	IF(MINIZIP_FOUND)
+		SET(HAVE_MINIZIP 1)
+		MESSAGE(STATUS "Looking for library minizip - found")
+	ELSE(MINIZIP_FOUND)
+		MESSAGE(STATUS "Looking for library GLM - NOT found")
+	ENDIF(MINIZIP_FOUND)
+
 ENDMACRO(CHECK_LIBRARIES)
diff --git a/cmake/customthirdparty.cmake b/cmake/customthirdparty.cmake
index 6f4587432..8f63a7fb2 100644
--- a/cmake/customthirdparty.cmake
+++ b/cmake/customthirdparty.cmake
@@ -201,6 +201,18 @@ MACRO(_FIND_3RDPARTY_DEPENDENCIES ROOT_DIR)
 
 	ENDIF(ZLIB_FOUND)
 
+	# GLM.
+	_FIND_3RDPARTY_DEPENDENCY(GLM glm/glm.hpp.h "" "glm;libglm" ${ROOT_DIR} "")
+	
+	# TinyGLTF.
+	_FIND_3RDPARTY_DEPENDENCY(TINYGLTF tinygltf.h "" "gltf;libgltf" ${ROOT_DIR} "")
+	
+	# minizip.
+	_FIND_3RDPARTY_DEPENDENCY(MINIZIP minizip/zip.h "" "minizip;libminizip" ${ROOT_DIR} "")
+	
+	# cJSON.
+	_FIND_3RDPARTY_DEPENDENCY(CJSON cjson/cJSON.h "" "cjson;libcjson" ${ROOT_DIR} "")
+	
 ENDMACRO(_FIND_3RDPARTY_DEPENDENCIES ROOT_DIR)
 
 ################################################################################################
@@ -385,9 +397,18 @@ MACRO(SD_INSTALL_CUSTOM_3RDPARTY TARGET_NAME)
 	_FIND_3RDPARTY_DLL("${CURL_LIBRARY}" "curl" "lib" _DLL_PATHNAME)
 	LIST(APPEND _THIRDPARTY_DLL_PATHNAMES "${_DLL_PATHNAME}")
 
+	_FIND_3RDPARTY_DLL("${GLM_LIBRARY}" "glm" "lib" _DLL_PATHNAME)
+	LIST(APPEND _THIRDPARTY_DLL_PATHNAMES "${_DLL_PATHNAME}")
+
 	_FIND_3RDPARTY_DLL("${TINYGLTF_LIBRARY}" "tinygltf" "lib" _DLL_PATHNAME)
 	LIST(APPEND _THIRDPARTY_DLL_PATHNAMES "${_DLL_PATHNAME}")
 
+	_FIND_3RDPARTY_DLL("${CJSON_LIBRARY}" "cjson" "lib" _DLL_PATHNAME)
+	LIST(APPEND _THIRDPARTY_DLL_PATHNAMES "${_DLL_PATHNAME}")
+
+	_FIND_3RDPARTY_DLL("${MINIZIP_LIBRARY}" "minizip" "lib" _DLL_PATHNAME)
+	LIST(APPEND _THIRDPARTY_DLL_PATHNAMES "${_DLL_PATHNAME}")
+
 	# 2) Copy found 3rd party DLL files to the bin folder (for running without installing).
 	#MESSAGE(STATUS "3rdParty dependencies : Will install ${_THIRDPARTY_DLL_PATHNAMES}")
     SET(_NOINST_DIR "${CMAKE_BINARY_DIR}/${SD_BINDIR}")
diff --git a/packaging/3rdParty-devel/CMakeLists.txt b/packaging/3rdParty-devel/CMakeLists.txt
index 7462b0fdd..54c279f12 100644
--- a/packaging/3rdParty-devel/CMakeLists.txt
+++ b/packaging/3rdParty-devel/CMakeLists.txt
@@ -553,15 +553,18 @@ else(OPTION_TINYGLTF)
 endif(OPTION_TINYGLTF)
 
 if(OPTION_MINIZIP)
-   set(MINIZIP_ARGS ${EXTERNALS_CMAKE_ARGS} -D CMAKE_DEBUG_POSTFIX=
-                                            -D MZ_ZSTD=OFF
-                                            -D MZ_BZIP2=OFF
-                                            -D MZ_LZMA=OFF )
+   set(MINIZIP_ARGS ${EXTERNALS_CMAKE_ARGS} -D CMAKE_DEBUG_POSTFIX= _D ZEXPORT="dllexport")
    ExternalProject_Add(${MINIZIP_PROJECT}
       URL ${MINIZIP_URL}
       URL_HASH ${MINIZIP_HASH}
       CMAKE_ARGS ${MINIZIP_ARGS}
       DEPENDS ${ZLIB_PROJECT})
+   ExternalProject_Add_Step(${MINIZIP_PROJECT} minizip_add_cmake
+      COMMAND ${CMAKE_COMMAND} -E copy_if_different
+              "${CMAKE_SOURCE_DIR}/patches/minizip-1.3.CMakeLists.txt"
+              "<SOURCE_DIR>/CMakeLists.txt"
+      DEPENDEES update # do after update
+      DEPENDERS patch)  # do before patch
 else(OPTION_MINIZIP)
    set(MINIZIP_PROJECT )
 endif(OPTION_MINIZIP)
diff --git a/packaging/3rdParty-devel/patches/minizip-1.3.CMakeLists.txt b/packaging/3rdParty-devel/patches/minizip-1.3.CMakeLists.txt
new file mode 100644
index 000000000..f16d8da35
--- /dev/null
+++ b/packaging/3rdParty-devel/patches/minizip-1.3.CMakeLists.txt
@@ -0,0 +1,132 @@
+# author Philippe Verney from F2I-CONSULTING
+
+cmake_minimum_required(VERSION 3.6)
+
+project(minizip VERSION 1.1)
+
+set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
+
+find_package(ZLIB)
+
+add_library(${PROJECT_NAME} "")
+add_library(minizip::${PROJECT_NAME} ALIAS minizip)
+
+target_sources(${PROJECT_NAME} 
+	PRIVATE 
+		"${CMAKE_CURRENT_LIST_DIR}/crypt.h"
+		"${CMAKE_CURRENT_LIST_DIR}/ioapi.c"
+		"${CMAKE_CURRENT_LIST_DIR}/ioapi.h"
+		"${CMAKE_CURRENT_LIST_DIR}/unzip.h"
+		"${CMAKE_CURRENT_LIST_DIR}/unzip.c"
+		"${CMAKE_CURRENT_LIST_DIR}/zip.h"
+		"${CMAKE_CURRENT_LIST_DIR}/zip.c"
+
+)
+
+if(WIN32)
+	target_sources(${PROJECT_NAME} 
+		PRIVATE
+			"${CMAKE_CURRENT_LIST_DIR}/iowin32.h"
+			"${CMAKE_CURRENT_LIST_DIR}/iowin32.c"
+	)
+endif()
+
+option(BUILD_SHARED_LIBS "Build using shared libraries" ON)
+
+target_link_libraries(${PROJECT_NAME} PRIVATE ZLIB::ZLIB)
+
+target_include_directories(${PROJECT_NAME} PUBLIC
+	$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+	$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+)
+
+set_target_properties(${PROJECT_NAME} PROPERTIES ${CMAKE_DEBUG_POSTFIX} EXPORT_NAME minizip)
+
+include(GNUInstallDirs)
+
+install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/
+	DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+	COMPONENT minizip_headers
+	FILES_MATCHING PATTERN "*.h"
+	PATTERN ".git" EXCLUDE
+	REGEX "iowin32.h" EXCLUDE
+)
+
+if(WIN32)
+	install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/iowin32.h
+		DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+		COMPONENT minizip_headers
+	)
+endif()
+
+
+include(CMakePackageConfigHelpers)
+
+######## 1. Build tree
+
+export(TARGETS ${PROJECT_NAME}
+	NAMESPACE minizip::
+	FILE "${CMAKE_BINARY_DIR}/lib/cmake/${PROJECT_NAME}/${PROJECT_NAME}Targets.cmake"
+)
+
+export(PACKAGE ${PROJECT_NAME})
+
+
+configure_package_config_file(
+	"${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}Config.cmake.in"
+	"${CMAKE_BINARY_DIR}/lib/cmake/${PROJECT_NAME}/${PROJECT_NAME}Config.cmake"
+	INSTALL_DESTINATION "${CMAKE_BINARY_DIR}/lib/cmake/${PROJECT_NAME}"
+	NO_SET_AND_CHECK_MACRO
+	NO_CHECK_REQUIRED_COMPONENTS_MACRO
+)
+
+write_basic_package_version_file(
+	"${CMAKE_BINARY_DIR}/lib/cmake/${PROJECT_NAME}/${PROJECT_NAME}ConfigVersion.cmake"
+	VERSION ${PROJECT_VERSION}
+	COMPATIBILITY ExactVersion
+)
+
+######## 2. Install tree
+
+install(TARGETS ${PROJECT_NAME}
+	EXPORT ${PROJECT_NAME}Targets
+	RUNTIME
+		DESTINATION ${CMAKE_INSTALL_BINDIR}
+		COMPONENT ${PROJECT_NAME}_applications
+	LIBRARY
+		DESTINATION ${CMAKE_INSTALL_LIBDIR}
+		COMPONENT ${PROJECT_NAME}_libraries
+	ARCHIVE
+		DESTINATION ${CMAKE_INSTALL_LIBDIR}
+		COMPONENT ${PROJECT_NAME}_libraries
+)
+
+install(EXPORT ${PROJECT_NAME}Targets
+	NAMESPACE minizip::
+	DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
+	COMPONENT ${PROJECT_NAME}_libraries
+)
+
+configure_package_config_file(
+	"${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}Config.cmake.in"
+	"${CMAKE_BINARY_DIR}/cmake/${PROJECT_NAME}/${PROJECT_NAME}Config.cmake"
+	INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
+	NO_SET_AND_CHECK_MACRO
+	NO_CHECK_REQUIRED_COMPONENTS_MACRO
+)
+
+install(FILES "${CMAKE_BINARY_DIR}/cmake/${PROJECT_NAME}/${PROJECT_NAME}Config.cmake"
+	DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
+	COMPONENT ${PROJECT_NAME}_libraries
+)
+
+write_basic_package_version_file(
+	"${CMAKE_BINARY_DIR}/cmake/${PROJECT_NAME}/${PROJECT_NAME}ConfigVersion.cmake"
+	VERSION ${PROJECT_VERSION}
+	COMPATIBILITY ExactVersion
+)
+
+install(FILES "${CMAKE_BINARY_DIR}/cmake/${PROJECT_NAME}/${PROJECT_NAME}ConfigVersion.cmake"
+	DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
+	COMPONENT ${PROJECT_NAME}_libraries
+)
diff --git a/packaging/3rdParty-devel/thirdpartydefinitions.cmake b/packaging/3rdParty-devel/thirdpartydefinitions.cmake
index 95b9f32cd..5b2bad0cc 100644
--- a/packaging/3rdParty-devel/thirdpartydefinitions.cmake
+++ b/packaging/3rdParty-devel/thirdpartydefinitions.cmake
@@ -223,11 +223,11 @@ set(TINYGLTF_URL https://github.com/syoyo/tinygltf/archive/refs/tags/v${TINYGLTF
 set(TINYGLTF_HASH SHA256=97c3eb1080c1657cd749d0b49af189c6a867d5af30689c48d5e19521e7b5a070)
 
 # minizip
-set(MINIZIP_VERSION 4.0.7)
+set(MINIZIP_VERSION 1.3)
 set(MINIZIP_PROJECT minizip-${MINIZIP_VERSION})
 set(MINIZIP_FILE ${MINIZIP_PROJECT}.tar.gz)
-set(MINIZIP_URL https://github.com/zlib-ng/minizip-ng/archive/refs/tags/${MINIZIP_VERSION}.tar.gz)
-set(MINIZIP_HASH SHA256=a87f1f734f97095fe1ef0018217c149d53d0f78438bcb77af38adc21dff2dfbc)
+set(MINIZIP_URL https://github.com/F2I-Consulting/Minizip/archive/refs/tags/v1.3_cmake0.1.tar.gz)
+set(MINIZIP_HASH SHA256=4ab1ffdc954e10faf2e756bd26e52ac4c339389159725dacb3d9104560f7f1a3)
 
 # cjson
 set(CJSON_VERSION 1.7.18)
diff --git a/src/libs/tgf/eventloop.cpp b/src/libs/tgf/eventloop.cpp
index 50277bbeb..b948fdf40 100644
--- a/src/libs/tgf/eventloop.cpp
+++ b/src/libs/tgf/eventloop.cpp
@@ -46,9 +46,9 @@ class GfEventLoop::Private
     void (*cbKeyboardDown)(int key, int modifiers, int x, int y);
     void (*cbKeyboardUp)(int key, int modifiers, int x, int y);
 
-    void (*cbRecompute)(void);
-    void (*cbRecomputeArgsFn)(unsigned ms, void *args);
-    void *cbRecomputeArgsData;
+    void (*cbRecompute)(void) = nullptr;
+    void (*cbRecomputeArgsFn)(unsigned ms, void *args) = nullptr;
+    void *cbRecomputeArgsData = nullptr;
 
     void (*cbTimer)(int value);