[ALL Monitor Sizes] Path of Exile: GAME RESIZER - More Field of View! [AutoHotkey Script]

; Script by Mikey and ChatGPT. My Discord is .maygi if you require assistance.

#Persistent

SetTitleMatchMode, 2 ; Allow for partial title matches

F10::
    If (WinActive("Path of Exile")) {
        ToggleAspectRatio("Path of Exile")
    }
    return

ToggleAspectRatio(title) {
    ; Check the current aspect ratio state
    currentRatio := GetAspectRatio(title)

    ; Determine the target aspect ratio
    targetRatio := (currentRatio = 16 / 9) ? 16 / 7 : 16 / 9

    ; Calculate new window height while maintaining the aspect ratio
    newHeight := A_ScreenWidth / targetRatio

    ; Get the current window position
    WinGetPos, currentX, currentY, currentWidth, currentHeight, %title%

    ; Calculate the new window position
    newY := currentY + (currentHeight - newHeight) // 2

    ; Set the new window position and size using DllCall
    DllCall("SetWindowPos", "UInt", WinExist(title), "Int", 0, "Int", currentX, "Int", newY, "Int", currentWidth, "Int", newHeight, "UInt", 0x04 | 0x02)

    ; Set the window as always on top
    WinSet, AlwaysOnTop, % (targetRatio = 16 / 7) ? "On" : "Off", %title%

    ; Bring the window to the front if the aspect ratio is 16/7
    if (targetRatio = 16 / 7) {
        WinActivate, ahk_id %title%
    }
}

GetAspectRatio(title) {
    ; Get the aspect ratio of the window
    WinGetPos, , , currentWidth, currentHeight, %title%
    return currentWidth / currentHeight
}