feat(physics): wire physx sdk into build

engine/third_party/physx/generate_projects.bat

@@ -0,0 +1,97 @@
+:: Reset errorlevel status so we are not inheriting this state from the calling process:
+:: @call :CLEAN_EXIT
+@echo off
+setlocal enabledelayedexpansion
+
+set "PHYSX_ROOT_DIR=%~dp0"
+
+:: Convert backslashes to forward slashes
+set "PHYSX_ROOT_DIR=%PHYSX_ROOT_DIR:\=/%"
+
+set PACKMAN_CMD="%PHYSX_ROOT_DIR%buildtools\packman\packman"
+
+:: Initialize Packman (Needed to get PM_PYTHON)
+call %PACKMAN_CMD% init
+if errorlevel 1 @exit /b %errorlevel%
+
+IF "%1"=="" GOTO ADDITIONAL_PARAMS_MISSING
+
+:: Run packman to ensure dependencies are present and run cmake generation script afterwards
+echo Running packman in preparation for cmake ...
+set "str1=%1"
+if not x%str1:.user=%==x%str1% (
+    call %PACKMAN_CMD% pull "%PHYSX_ROOT_DIR%dependencies.xml" --platform %str1:.user=%
+) else (
+    call %PACKMAN_CMD% pull "%PHYSX_ROOT_DIR%dependencies.xml" --platform %1
+)
+
+for /f "usebackq tokens=*" %%i in (`"%PM_vswhere_PATH%\VsWhere.exe  -version [15.0,16.0) -latest -property installationPath"`) do (
+	set "Install2017Dir=%%i"
+	set "VS150PATH=%%i"
+)
+
+for /f "usebackq tokens=*" %%i in (`"%PM_vswhere_PATH%\VsWhere.exe  -version [16.0,17.0) -latest -property installationPath"`) do (
+  set "Install2019Dir=%%i"
+	set "VS160PATH=%%i"
+  @REM Setting VS160COMNTOOLS: This is mainly needed for building for Switch
+  @REM Reason: When both MS build tools and Visual Studio are installed together in the same system
+  @REM Cmake will use msbuild to generate the project instead of Visual Studio. Which make Cmake fail
+  @REM When generating the project for Switch. However, if an environment variable of the form VS##0COMNTOOLS,
+  @REM where ## the Visual Studio major version number, is set and points to the Common7/Tools directory within
+  @REM one of the VS instances, that instance will be used. see: https://cmake.org/cmake/help/latest/variable/CMAKE_GENERATOR_INSTANCE.html
+  set "VS160COMNTOOLS=%%i\Common7\Tools\"
+)
+
+for /f "usebackq tokens=*" %%i in (`"%PM_vswhere_PATH%\VsWhere.exe  -version [17.0,18.0) -latest -property installationPath"`) do (
+	set "Install2022Dir=%%i"
+	set "VS170PATH=%%i"
+  set "VS170COMNTOOLS=%%i\Common7\Tools\"
+)
+
+if exist "%Install2017Dir%\VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt" (
+  pushd "%Install2017Dir%\VC\Auxiliary\Build\"
+  set /p Version=<Microsoft.VCToolsVersion.default.txt
+  for /f "delims=" %%x in (Microsoft.VCToolsVersion.default.txt) do (
+	if not "%%x"=="" (
+	  rem Example hardcodes x64 as the host and target architecture, but you could parse it from arguments
+	  set "VS150CLPATH=%Install2017Dir%\VC\Tools\MSVC\%%x\bin\HostX64\x64\cl.exe"
+	)
+  )
+  popd
+)
+
+if exist "%Install2019Dir%\VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt" (
+  pushd "%Install2019Dir%\VC\Auxiliary\Build\"
+  set /p Version=<Microsoft.VCToolsVersion.default.txt
+  for /f "delims=" %%x in (Microsoft.VCToolsVersion.default.txt) do (
+	if not "%%x"=="" (
+	  rem Example hardcodes x64 as the host and target architecture, but you could parse it from arguments
+	  set "VS160CLPATH=%Install2019Dir%\VC\Tools\MSVC\%%x\bin\HostX64\x64\cl.exe"
+	)
+  )
+  popd
+)
+
+if exist "%Install2022Dir%\VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt" (
+  pushd "%Install2022Dir%\VC\Auxiliary\Build\"
+  set /p Version=<Microsoft.VCToolsVersion.default.txt
+  for /f "delims=" %%x in (Microsoft.VCToolsVersion.default.txt) do (
+	if not "%%x"=="" (
+	  rem Example hardcodes x64 as the host and target architecture, but you could parse it from arguments
+	  set "VS170CLPATH=%Install2022Dir%\VC\Tools\MSVC\%%x\bin\HostX64\x64\cl.exe"
+	)
+  )
+  popd
+)
+
+:ADDITIONAL_PARAMS_MISSING
+call "%PM_PYTHON%" "%PHYSX_ROOT_DIR%buildtools/cmake_generate_projects.py" %1
+if %ERRORLEVEL% neq 0 (
+  set /p DUMMY=Hit ENTER to continue...
+  exit /b %errorlevel%
+) else (
+  goto CLEAN_EXIT
+)
+
+:CLEAN_EXIT
+@exit /b 0