math_system

#include <a_samp>
#include <zcmd>
#include <sscanf2>

#define COLOR_WHITE (0xFFFFFFAA)

enum E_MATH_TEST {
	m_result,
	m_reward,
	bool: m_active
}
new MathTest[E_MATH_TEST];

public OnGameModeInit() {

	// reset math-test
    MathTest[m_result] = (0);
	MathTest[m_active] = (false);
	MathTest[m_reward] = (0);

	return (true);
}

public OnPlayerText(playerid, text[]) {
	if(strval(text) == MathTest[m_result] && MathTest[m_active] == (true)) {
		new tmpString[90];

        format(tmpString, sizeof(tmpString), "[MATH-TEST]: Odgovorili ste tocno na math-pitanje (rezultat: %d) i zaradili ste %d$.", MathTest[m_result], MathTest[m_reward]);
        SendClientMessageToAll(COLOR_WHITE, (tmpString));

        GivePlayerMoney(playerid, MathTest[m_reward]);

	    MathTest[m_result] = (0);
		MathTest[m_active] = (false);
		MathTest[m_reward] = (0);
    }
    return (true);
}

CMD:math(playerid, params[]) {

    if (!IsPlayerAdmin(playerid))
	    return SendClientMessage(playerid, COLOR_WHITE, "Ne mozete koristiti ovu komandu.");

	new reward;
	if(sscanf(params, "d", reward))
		return SendClientMessage(playerid, COLOR_WHITE, "[CMD]: /math [reward].");

	new tmpString[64],
		num1 = (0), num2 = (0), num3 = (0);
	MathTest[m_result] = (num1 = random(100)) + (num2 = random(100))-(num3 = random(100));
	MathTest[m_active] = (true);
	MathTest[m_reward] = (reward);

	format(tmpString, sizeof(tmpString), "[MATH-TEST]: Unesite rezultat od (%d+%d-%d), nagrada iznosi %d$.", num1, num2, num3, MathTest[m_reward]);
    SendClientMessageToAll(COLOR_WHITE, (tmpString));

	return (true);
}