;zoom fov toggle hold, win 10 x64 ver 1809, ahk u64 ver 1.1.30.03
;https://github.com/Kalamity/classMemory/blob/master/classMemory.ahk

#Include <classMemory>
#SingleInstance Force
#Persistent

setup:
process, wait, edf5.exe
game :=  new _ClassMemory("ahk_exe edf5.exe", "", hProcessCopy)

mbase := game.BaseAddress
fov_rva := 0xEE63BC
;fov_fileoffset := 0xEE4BBC
original_fov :=  0.789398
desired_fov := 1.08
zoom_fov := 0.324
period := 45000

DllCall("VirtualProtectEx", "UInt", game.hProcess, "UInt", mbase + fov_rva, "UInt", 4, "UInt", 0x04, "UInt *", 0)
game.write(mbase + fov_rva, desired_fov, "Float")
settimer, keepAlive, %period%
return

keepAlive:
if (!game.isHandleValid()) {
	game := []
	settimer, keepAlive, delete
	gosub, setup
}
return

~*RButton::
if (!winactive("ahk_pid" game.pid))
	return
game.write(mbase + fov_rva, zoom_fov, "Float")
return

~*RButton up::
if (!winactive("ahk_pid" game.pid))
	return
game.write(mbase + fov_rva, desired_fov, "Float")
return

~Pause::
suspend, toggle
pause,, 1
return

~End::
suspend, toggle
if (!game.isHandleValid())
	exitapp
game.write(mbase + fov_rva, original_fov, "Float")
exitapp