Change rpclib to a fork version which offers patches

The original rpclib have bugs that cause Unreal crashes, sometimes the client also crashes as well. It lacks maintenance for two years, but a fork qchateau/rpclib offers patches.

build.cmd

@@ -46,8 +46,9 @@ if ERRORLEVEL 1 (
 )
 
 REM //---------- get rpclib ----------
+set RPC_VERSION=c4fb37acbe67ec99e47e5187acd2a7450bde0cec
 IF NOT EXIST external\rpclib mkdir external\rpclib
-IF NOT EXIST external\rpclib\rpclib-2.2.1 (
+IF NOT EXIST external\rpclib\rpclib-%RPC_VERSION% (
 	REM //leave some blank lines because powershell shows download banner at top of console
 	ECHO(
 	ECHO(   
@@ -56,7 +57,7 @@ IF NOT EXIST external\rpclib\rpclib-2.2.1 (
 	ECHO Downloading rpclib
 	ECHO *****************************************************************************************
 	@echo on
-	powershell -command "& { [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; iwr https://github.com/rpclib/rpclib/archive/v2.2.1.zip -OutFile external\rpclib.zip }"
+	powershell -command "& { [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; iwr https://github.com/qchateau/rpclib/archive/%RPC_VERSION%.zip -OutFile external\rpclib.zip }"
 	@echo off
 
 	REM //remove any previous versions
@@ -67,16 +68,16 @@ IF NOT EXIST external\rpclib\rpclib-2.2.1 (
 
 	REM //Don't fail the build if the high-poly car is unable to be downloaded
 	REM //Instead, just notify users that the gokart will be used.
-	IF NOT EXIST external\rpclib\rpclib-2.2.1 (
+	IF NOT EXIST external\rpclib\rpclib-%RPC_VERSION% (
 		ECHO Unable to download high-polycount SUV. Your AirSim build will use the default vehicle.
 		goto :buildfailed
 	)
 )
 
 REM //---------- Build rpclib ------------
 ECHO Starting cmake to build rpclib...
-IF NOT EXIST external\rpclib\rpclib-2.2.1\build mkdir external\rpclib\rpclib-2.2.1\build
-cd external\rpclib\rpclib-2.2.1\build
+IF NOT EXIST external\rpclib\rpclib-%RPC_VERSION%\build mkdir external\rpclib\rpclib-%RPC_VERSION%\build
+cd external\rpclib\rpclib-%RPC_VERSION%\build
 REM cmake -G"Visual Studio 14 2015 Win64" ..
 cmake -G"Visual Studio 15 2017 Win64" ..
 
@@ -97,15 +98,15 @@ set RPCLIB_TARGET_LIB=AirLib\deps\rpclib\lib\x64
 if NOT exist %RPCLIB_TARGET_LIB% mkdir %RPCLIB_TARGET_LIB%
 set RPCLIB_TARGET_INCLUDE=AirLib\deps\rpclib\include
 if NOT exist %RPCLIB_TARGET_INCLUDE% mkdir %RPCLIB_TARGET_INCLUDE%
-robocopy /MIR external\rpclib\rpclib-2.2.1\include %RPCLIB_TARGET_INCLUDE%
+robocopy /MIR external\rpclib\rpclib-%RPC_VERSION%\include %RPCLIB_TARGET_INCLUDE%
 
 if "%buildMode%" == "--Debug" (
-robocopy /MIR external\rpclib\rpclib-2.2.1\build\Debug %RPCLIB_TARGET_LIB%\Debug
+robocopy /MIR external\rpclib\rpclib-%RPC_VERSION%\build\Debug %RPCLIB_TARGET_LIB%\Debug
 ) else if "%buildMode%" == "--Release" (
-robocopy /MIR external\rpclib\rpclib-2.2.1\build\Release %RPCLIB_TARGET_LIB%\Release
+robocopy /MIR external\rpclib\rpclib-%RPC_VERSION%\build\Release %RPCLIB_TARGET_LIB%\Release
 ) else (
-robocopy /MIR external\rpclib\rpclib-2.2.1\build\Debug %RPCLIB_TARGET_LIB%\Debug
-robocopy /MIR external\rpclib\rpclib-2.2.1\build\Release %RPCLIB_TARGET_LIB%\Release
+robocopy /MIR external\rpclib\rpclib-%RPC_VERSION%\build\Debug %RPCLIB_TARGET_LIB%\Debug
+robocopy /MIR external\rpclib\rpclib-%RPC_VERSION%\build\Release %RPCLIB_TARGET_LIB%\Release
 )
 
 REM //---------- get High PolyCount SUV Car Model ------------

build.sh

@@ -25,7 +25,8 @@ esac
 done
 
 # check for rpclib
-if [ ! -d "./external/rpclib/rpclib-2.2.1" ]; then
+RPC_VERSION=c4fb37acbe67ec99e47e5187acd2a7450bde0cec
+if [ ! -d "./external/rpclib/rpclib-${RPC_VERSION}" ]; then
     echo "ERROR: new version of AirSim requires newer rpclib."
     echo "please run setup.sh first and then run build.sh again."
     exit 1
@@ -133,7 +134,7 @@ cp $build_dir/output/lib/librpc.a AirLib/deps/rpclib/lib/librpc.a
 
 # Update AirLib/lib, AirLib/deps, Plugins folders with new binaries
 rsync -a --delete $build_dir/output/lib/ AirLib/lib/x64/Debug
-rsync -a --delete external/rpclib/rpclib-2.2.1/include AirLib/deps/rpclib
+rsync -a --delete external/rpclib/rpclib-${RPC_VERSION}/include AirLib/deps/rpclib
 rsync -a --delete MavLinkCom/include AirLib/deps/MavLinkCom
 rsync -a --delete AirLib Unreal/Plugins/AirSim/Source
 

cmake/cmake-modules/CommonSetup.cmake

@@ -41,7 +41,7 @@ macro(CommonSetup)
     SET(LIBCXX_LIB_PATH ${AIRSIM_ROOT}/llvm-build/output/lib)
 
     #setup include and lib for rpclib which will be referenced by other projects
-    set(RPCLIB_VERSION_FOLDER rpclib-2.2.1)
+    set(RPCLIB_VERSION_FOLDER rpclib-c4fb37acbe67ec99e47e5187acd2a7450bde0cec)
     set(RPC_LIB_INCLUDES " ${AIRSIM_ROOT}/external/rpclib/${RPCLIB_VERSION_FOLDER}/include")
     #name of .a file with lib prefix
     set(RPC_LIB rpc)

setup.sh

@@ -136,19 +136,20 @@ else #linux
 fi
 
 # Download rpclib
-if [ ! -d "external/rpclib/rpclib-2.2.1" ]; then
+RPC_VERSION=c4fb37acbe67ec99e47e5187acd2a7450bde0cec
+if [ ! -d "external/rpclib/rpclib-${RPC_VERSION}" ]; then
     echo "*********************************************************************************************"
     echo "Downloading rpclib..."
     echo "*********************************************************************************************"
 
-    wget  https://github.com/rpclib/rpclib/archive/v2.2.1.zip
+    wget https://github.com/qchateau/rpclib/archive/${RPC_VERSION}.zip -O rpclib.zip
 
     # remove previous versions
     rm -rf "external/rpclib"
 
     mkdir -p "external/rpclib"
-    unzip v2.2.1.zip -d external/rpclib
-    rm v2.2.1.zip
+    unzip rpclib.zip -d external/rpclib
+    rm rpclib.zip
 fi
 
 # Download high-polycount SUV model