[CS:GO] Hidon Math

#include <ShopAPI>
#include <sdktools>

public Plugin myinfo =
{
    name = "HidonMath",
    author = "JuSTaR",
    description = "Hidonim Math",
    version = "1.0",
    url = "https://www.fxp.co.il/"
}

const int MAX_NUMBER = 999;
const int MIN_NUMBER = 100;
const int PRIZE = 100;

Handle:HudTimer;

int DisplayTime = 60;
float TimerTick = 1.0;
char DisplayMsg[64];
char Answer[8];

public OnPluginStart()
{
    RegConsoleCmd("say", LookForAnswer);
    RegAdminCmd("start_hidon_math", Start_Hidon_Math, ADMFLAG_RCON);
    RegAdminCmd("stop_hidon_math", Stop_Hidon_Math, ADMFLAG_RCON);
}

public Action Stop_Hidon_Math(int client, int args)
{
    Reset_Hidon_Math();
}

public Action Start_Hidon_Math(int client, int args)
{
    if (HudTimer != null)
        Reset_Hidon_Math();

    int num1 =  GetRandomInt(MIN_NUMBER, MAX_NUMBER);
    int num2 =  GetRandomInt(MIN_NUMBER, MAX_NUMBER);

    Format(DisplayMsg, sizeof(DisplayMsg), "%s%d%s%d%s", "[ Math Hidon ]\nHow much is: ", num1, " + ", num2, "?");

    IntToString(num1 + num2, Answer, sizeof(Answer));

    HudTimer = CreateTimer(TimerTick, SetHud, _, TIMER_REPEAT);
    PrintToChatAll("[ Math Hidon ] How much is: %d + %d?", num1, num2);
}

public Action SetHud(Handle:timer)
{
    SetHudTextParams(-1.0, 0.15, 1.0, GetRandomInt(0, 255), GetRandomInt(0, 255), GetRandomInt(0, 255), 255, 1, TimerTick, 0.0, 0.0);

    if (DisplayTime > 0)
        ShowHud(DisplayMsg);
    else
    {
        Reset_Hidon_Math();
        PrintToChatAll("[ Math Hidon ] The answer was %s. Nobody answered correctly.. what a shame..", Answer);
    }

    DisplayTime--;
}

public void ShowHud(char msg[64])
{
    for(new i = 1; i <= MaxClients; i++) // display hud
        if(IsClientInGame(i) && !IsFakeClient(i))
            ShowHudText(i, -1, msg);
}

public void Reset_Hidon_Math()
{
    if (HudTimer != null)
    {
        KillTimer(HudTimer);
        HudTimer = null;
    }

    DisplayTime = 60;
}

public Action LookForAnswer(int client, int args)
{
    if (HudTimer != null)
    {
        char arg[64];
        GetCmdArg(1, arg, sizeof(arg));

        if (StrEqual(arg, Answer, false))
        {
            int first_color[4];
            int second_color[4];

            for (int i = 0; i < 4; i++)
            {
                first_color[i] = GetRandomInt(0, 255);
                second_color[i] = GetRandomInt(0, 255);
            }

            Reset_Hidon_Math();

            SetHudTextParamsEx(-1.0, 0.15, 15.0, first_color, second_color, 2, 1.0, 0.3, 0.3);
            Format(DisplayMsg, sizeof(DisplayMsg), "%s%N%s%d%s", "[ Math Hidon ]\n", client, " has won ", PRIZE, " Points!");
            ShowHud(DisplayMsg);

            PrintToChatAll("[ Math Hidon ] %N has answered [ %s ], and won %d Points!", client, Answer, PRIZE);

            Native_GivePoints(client, PRIZE);
        }
    }

    return;
}