FIX

template<class T>
constexpr bool is_one_of(T input, initializer_list<T> predicates) {
    return find(predicates.begin(), predicates.end(), input) != predicates.end();
}

enum class Weapons {
	DEAGLE = 1,
	ELITE = 2,
	FIVESEVEN = 3,
	GLOCK = 4,
	AK47 = 7,
	AUG = 8,
	AWP = 9,
	FAMAS = 10,
	G3SG1 = 11,
	GALILAR = 13,
	M249 = 14,
	M4A1 = 16,
	MAC10 = 17,
	P90 = 19,
	UMP45 = 24,
	XM1014 = 25,
	BIZON = 26,
	MAG7 = 27,
	NEGEV = 28,
	SAWEDOFF = 29,
	TEC9 = 30,
	TASER = 31,
	HKP2000 = 32,
	MP7 = 33,
	MP9 = 34,
	NOVA = 35,
	P250 = 36,
	SCAR20 = 38,
	SG553 = 39,
	SSG08 = 40,
	KNIFE = 42,
	FLASHBANG = 43,
	HEGRENADE = 44,
	SMOKEGRENADE = 45,
	MOLOTOV = 46,
	DECOY = 47,
	INCGRENADE = 48,
	C4 = 49,
	KNIFE_T = 59,
	M4A1_SILENCER = 60,
	USP_SILENCER = 61,
	CZ75A = 63,
	R8_REVOLVER = 64,
	KNIFE_BAYONET = 500,
	KNIFE_FLIP = 505,
	KNIFE_GUT = 506,
	KNIFE_KARAMBIT = 507,
	KNIFE_M9_BAYONET = 508,
	KNIFE_HUNTSMAN = 509,
	KNIFE_FALCHION = 512,
	KNIFE_BOWIE = 514,
	KNIFE_BUTTERFLY = 515,
	KNIFE_SHADOW_DAGGERS = 516,
};

class CBaseWeapon : public CBaseEntity {
	public:
		Weapons GetItemDefinition() {
			static auto var =
				NetVar(DT_BaseAttributableItem, m_AttributeManager) +
				NetVar(DT_AttributeContainer, m_Item) +
				NetVar(DT_ScriptCreatedItem, m_iItemDefinitionIndex);

			return Data<Weapons>(var);
		}

	public:
		bool IsPistol() {
			return is_one_of(GetItemDefinition(), {
				Weapons::CZ75A, Weapons::DEAGLE, Weapons::ELITE, Weapons::FIVESEVEN, Weapons::GLOCK, Weapons::HKP2000, Weapons::P250, Weapons::R8_REVOLVER, Weapons::TEC9, Weapons::USP_SILENCER
			});
		}

		bool IsRifle() {
			return is_one_of(GetItemDefinition(), {
				Weapons::AK47, Weapons::AUG, Weapons::FAMAS, Weapons::GALILAR, Weapons::M4A1, Weapons::M4A1_SILENCER, Weapons::SG553
			});
		}

		bool IsSubmachineGun() {
			return is_one_of(GetItemDefinition(), {
				Weapons::MP7, Weapons::MP9, Weapons::BIZON, Weapons::MAC10, Weapons::P90, Weapons::UMP45,
			});
		}

		bool IsShotgun() {
			return is_one_of(GetItemDefinition(), {
				Weapons::MAG7, Weapons::NOVA, Weapons::SAWEDOFF, Weapons::XM1014,
			});
		}

		bool IsGrenade() {
			return is_one_of(GetItemDefinition(), {
				Weapons::DECOY, Weapons::FLASHBANG, Weapons::HEGRENADE, Weapons::INCGRENADE, Weapons::MOLOTOV, Weapons::SMOKEGRENADE,
			});
		}

		bool IsMachineGun() {
			return is_one_of(GetItemDefinition(), {
				Weapons::M249,
				Weapons::NEGEV,
			});
		}

		bool IsSingleShotSniperRifle() {
			return is_one_of(GetItemDefinition(), {
				Weapons::AWP,
				Weapons::SSG08,
			});
		}

		bool IsAutoShotSniperRifle() {
			return is_one_of(GetItemDefinition(), {
				Weapons::G3SG1,
				Weapons::SCAR20,
			});
		}

		bool IsMelee() {
			return is_one_of(GetItemDefinition(), {
				Weapons::KNIFE, Weapons::KNIFE_BAYONET, Weapons::KNIFE_BOWIE, Weapons::KNIFE_BUTTERFLY,
				Weapons::KNIFE_FALCHION, Weapons::KNIFE_FLIP, Weapons::KNIFE_GUT, Weapons::KNIFE_HUNTSMAN,
				Weapons::KNIFE_KARAMBIT, Weapons::KNIFE_M9_BAYONET,	Weapons::KNIFE_SHADOW_DAGGERS, Weapons::KNIFE_T,
				Weapons::TASER, // POLICE BRUTALITY
			});
		}

		bool IsC4() {
			return GetItemDefinition() == Weapons::C4;
		}
	};