AmxModX Automatic Knife Duel 0.3

#define PLUGINNAME    "Automatic knife duel"
#define VERSION        "0.3"
#define AUTHOR        "JGHG"

#include <amxmodx>
#include <fakemeta>
#include <fun>

#define DEBUG

#if defined DEBUG
#include <amxmisc>
#endif // defined DEBUG

#define MENUSELECT1                0
#define MENUSELECT2                1
#define TASKID_CHALLENGING        2348923
#define TASKID_BOTTHINK            3242321
#define DECIDESECONDS            10
#define ALLOWED_WEAPONS            2
#define KNIFESLASHES            3 // the nr of slashes within a short amount of time until a challenge starts...
// Globals below
new g_allowedWeapons[ALLOWED_WEAPONS] = {CSW_KNIFE, CSW_C4}
new g_MAXPLAYERS
new bool:g_challenging = false
new bool:g_knifeArena = false
new bool:g_noChallengingForAWhile = false
new g_challengemenu
new g_challenger
new g_challenged
new g_challenges[33]
// Globals above

public plugin_modules()
{
    require_module("fakemeta")
    require_module("fun")
}

public forward_emitsound(const PIRATE, const Onceuponatimetherewasaverysmall, noise[], const Float:turtlewhoateabiggerturtleand, const Float:afterthatthesmallturtlegot, const veryveryverybig, const theend) {
    if (g_noChallengingForAWhile || g_knifeArena || g_challenging || PIRATE < 1 || PIRATE > g_MAXPLAYERS || !is_user_alive(PIRATE) || !equal(noise, "weapons/knife_hitwall1.wav"))
        return FMRES_IGNORED

    new team = get_user_team(PIRATE), otherteam = 0, matchingOpponent = 0
    // Make sure exactly one person on each team is alive.
    for (new i = 1; i <= g_MAXPLAYERS; i++) {
        if (!is_user_connected(i) || !is_user_alive(i) || PIRATE == i)
            continue
        if (get_user_team(i) == team) {
            // No fun.
            return FMRES_IGNORED
        }
        else {
            if (++otherteam > 1) {
                // No fun.
                return FMRES_IGNORED
            }
            matchingOpponent = i
        }
    }

    if (matchingOpponent == 0)
        return FMRES_IGNORED

    if (++g_challenges[PIRATE] >= KNIFESLASHES) {
        Challenge(PIRATE, matchingOpponent)
        if (is_user_bot(matchingOpponent)) {
            new Float:val = float(DECIDESECONDS)
            if (val < 2.0)
                val = 2.0
            remove_task(TASKID_BOTTHINK)
            set_task(random_float(1.0, float(DECIDESECONDS) - 1.0), "BotDecides", TASKID_BOTTHINK)
        }
        g_challenges[PIRATE] = 0
    }
    else
        set_task(1.0, "decreaseChallenges", PIRATE)

    //client_print(PIRATE, print_chat, "Your challenges: %d", g_challenges[PIRATE])

    return FMRES_IGNORED
}

public decreaseChallenges(id) {
    if (--g_challenges[id] < 0)
        g_challenges[id] = 0
}

public BotDecides() {
    if (!g_challenging)
        return

    if (random_num(0,9) > 0)
        Accept()
    else {
        DeclineMsg()
    }
    g_challenging = false
    remove_task(TASKID_CHALLENGING)
}

Challenge(challenger, challenged) {
    g_challenger = challenger
    g_challenged = challenged
    g_challenging = true
    new challenger_name[32], challenged_name[32]
    get_user_name(challenger, challenger_name, 31)
    get_user_name(challenged, challenged_name, 31)

    client_print(challenger, print_chat, "Вы вызвали %s на дуэль! Ждите ответа %d секунд...", challenged_name, DECIDESECONDS)

    new menu[1024], keys = MENU_KEY_1 | MENU_KEY_2
    format(menu, 1023, "%s Вызвал дуэль на ножах!^n^nЧто делать? У вас %d секунд на ответ!^n^n\y1\w. Я согласен!^n\y2\w. Я против!", challenger_name, DECIDESECONDS)
    show_menu(challenged, keys, menu, DECIDESECONDS, "JGHG's automatic knife duel")
    set_task(float(DECIDESECONDS), "timed_toolate", TASKID_CHALLENGING)
}

public timed_toolate() {
    if (g_challenging) {
        new challenger_name[32], challenged_name[32]
        get_user_name(g_challenger, challenger_name, 31)
        get_user_name(g_challenged, challenged_name, 31)
        client_print(0, print_chat, "%s не ответил %s's дуэль не состоится...", challenged_name, challenger_name)
        CancelAll()
    }
}

public client_putinserver(id) {
    set_task(25.0, "Announcement", id)

    return PLUGIN_CONTINUE
}

public Announcement(id) {
    client_print(id, print_chat, "Для вызова противника на дуэль при 1vs1 бейте стену ножом.")
}

public challenged_menu(id, key) {
    switch (key) {
        case MENUSELECT1: {
            // Accept
            Accept()
        }
        case MENUSELECT2: {
            // Decline
            DeclineMsg()
        }
    }
    g_challenging = false
    remove_task(TASKID_CHALLENGING)

    return PLUGIN_HANDLED
}

DeclineMsg() {
    new challenger_name[32], challenged_name[32]
    get_user_name(g_challenger, challenger_name, 31)
    get_user_name(g_challenged, challenged_name, 31)
    client_print(0, print_chat, "%s не согласился %s's дуэль не состоится...", challenged_name, challenger_name)
}

Accept() {
    new challenger_name[32], challenged_name[32]
    get_user_name(g_challenger, challenger_name, 31)
    get_user_name(g_challenged, challenged_name, 31)

    client_print(0, print_chat, "%s согласился %s's дуэль началась!", challenged_name, challenger_name)
    g_knifeArena = true
    give_item(g_challenger, "weapon_knife")
    give_item(g_challenged, "weapon_knife")
    engclient_cmd(g_challenger, "weapon_knife")
    engclient_cmd(g_challenged, "weapon_knife")
}

public event_holdwpn(id) {
    if (!g_knifeArena || !is_user_alive(id))
        return PLUGIN_CONTINUE

    new weaponType = read_data(2)

    for (new i = 0; i < ALLOWED_WEAPONS; i++) {
        if (weaponType == g_allowedWeapons[i])
            return PLUGIN_CONTINUE
    }

    engclient_cmd(id, "weapon_knife")

    return PLUGIN_CONTINUE
}

public event_roundend() {
    if (g_challenging || g_knifeArena)
        CancelAll()
    g_noChallengingForAWhile = true
    set_task(4.0, "NoChallengingForAWhileToFalse")

    return PLUGIN_CONTINUE
}

public NoChallengingForAWhileToFalse() {
    g_noChallengingForAWhile = false
}

CancelAll() {
    if (g_challenging) {
        g_challenging = false
        // Close menu of challenged
        if (is_user_connected(g_challenged)) {
            new usermenu, userkeys
            get_user_menu(g_challenged, usermenu, userkeys) // get user menu

            // Hmm this ain't working :-/
            if (usermenu == g_challengemenu) // Close it!
                show_menu(g_challenged, 0, "blabla") // show empty menu
        }
    }
    if (g_knifeArena) {
        g_knifeArena = false
    }
    remove_task(TASKID_BOTTHINK)
    remove_task(TASKID_CHALLENGING)
}

public event_death() {
    if (g_challenging || g_knifeArena)
        CancelAll()

    return PLUGIN_CONTINUE
}

#if defined DEBUG
public challengefn(id, level, cid) {
    if (!cmd_access(id, level, cid, 3))
        return PLUGIN_HANDLED

    new challenger[64], challenged[64]
    read_argv(1, challenger, 63)
    read_argv(2, challenged, 63)

    console_print(id, "challenger: %s, challenged: %s", challenger, challenged)

    new r = str_to_num(challenger)
    new d = str_to_num(challenged)
    Challenge(r, d)
    if (is_user_bot(d))
        Accept()

    return PLUGIN_HANDLED
}
#endif // defined DEBUG

public plugin_init() {
    register_plugin(PLUGINNAME, VERSION, AUTHOR)
    register_event("CurWeapon", "event_holdwpn", "be", "1=1")
    register_forward(FM_EmitSound, "forward_emitsound")
    g_MAXPLAYERS = get_maxplayers()

    g_challengemenu = register_menuid("JGHG's automatic knife duel"/*"You are challenged"*/)
    register_menucmd(g_challengemenu, MENU_KEY_1 | MENU_KEY_2, "challenged_menu")

    register_event("DeathMsg", "event_death", "a")
    register_event("SendAudio", "event_roundend", "a", "2&%!MRAD_terwin")
    register_event("SendAudio", "event_roundend", "a", "2&%!MRAD_ctwin")
    register_event("SendAudio", "event_roundend", "a", "2&%!MRAD_rounddraw")

    #if defined DEBUG
    register_clcmd("0challenge", "challengefn", ADMIN_CFG, "<challenger> <challenged> - start knife duel challenge")
    #endif // defined DEBUG

    new Float:maptime = get_cvar_float("mp_timelimit")
    if (maptime == 0.0)
        maptime = 15.0

    new Float:anntime = 60.0 * 5.0 // 5 minutes
    if (maptime < 5.0)
        anntime = maptime / 3.0

    set_task(anntime, "Announcement", 0, "", 0, "b")
}