infinite_weapon_ammo.lua

api_version = "1.9.0.0"

ONE_GRENADE_SIG, DECREMENTING_SIG = 0,0
ONE_GRENADE_CODE, DECREMENTING_CODE = {},{}

function read_bytes(Address, Count)
    local bytes = {}
    for i=0,Count-1 do
        table.insert(bytes, read_byte(Address+i))
    end
    return bytes
end

function write_bytes(Address, Bytes)
    safe_write(true)
    for k,v in pairs(Bytes) do
        write_byte(Address+k-1, v)
    end
    safe_write(false)
end

function OnScriptLoad()
    ONE_GRENADE_SIG = sig_scan("7F05B9010000008808404E")
    DECREMENTING_SIG = sig_scan("84C975408B0D????????85C9")

    if(ONE_GRENADE_SIG ~=0 and DECREMENTING_SIG ~= 0) then
        ONE_GRENADE_CODE = read_bytes(ONE_GRENADE_SIG+0x7, 2)
        DECREMENTING_CODE = read_bytes(DECREMENTING_SIG, 4)
        write_bytes(ONE_GRENADE_SIG + 0x7, {0x90, 0x90})
        write_bytes(DECREMENTING_SIG, {0x90, 0x90, 0x90, 0x90})
    end

    execute_command("cheat_infinite_ammo true")
end

function OnScriptUnload()
    if(ONE_GRENADE_SIG ~=0 and DECREMENTING_SIG ~= 0) then
        write_bytes(ONE_GRENADE_SIG+0x7, ONE_GRENADE_CODE)
        write_bytes(DECREMENTING_SIG, DECREMENTING_CODE)
    end

    execute_command("cheat_infinite_ammo false")
end