@echo off
REM Builds WarriorCPU.dll with MSVC. Run this from a plain cmd/PowerShell
REM window - it locates and loads the VS build environment itself, no
REM need to open a "Developer Command Prompt" first.
setlocal

set VSWHERE="%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe"
if not exist %VSWHERE% (
    echo Could not find vswhere.exe - is Visual Studio / Build Tools installed?
    exit /b 1
)

for /f "usebackq tokens=*" %%i in (`%VSWHERE% -latest -products * -property installationPath`) do (
    set VSINSTALL=%%i
)
if not defined VSINSTALL (
    echo Could not find any Visual Studio / Build Tools installation.
    exit /b 1
)
if not exist "%VSINSTALL%\VC\Auxiliary\Build\vcvars64.bat" (
    echo Found a VS install at "%VSINSTALL%" but it has no C++ toolset ^(vcvars64.bat missing^).
    echo Install the "Desktop development with C++" workload ^(or the smaller
    echo "Build Tools for Visual Studio"^) and re-run this script.
    exit /b 1
)

call "%VSINSTALL%\VC\Auxiliary\Build\vcvars64.bat"
if errorlevel 1 exit /b 1

cd /d "%~dp0"
cl.exe /nologo /LD /EHsc /O2 /std:c++17 ^
    WarriorCPU.cpp ^
    /Fe:WarriorCPU.dll

if errorlevel 1 (
    echo Build failed.
    exit /b 1
)

echo.
echo Built DirectML\WarriorCPU.dll
echo Copy it into your terminal's MQL5\Libraries\ folder before compiling the EA.
endlocal