gistfile1.pwn

switch (weaponid) {
	// The spas shotguns shoot 8 bullets, each inflicting 4.95 damage
	case WEAPON_SHOTGSPA: {
		bullets = amount / 4.950000286102294921875;

		if (8.0 - bullets < -0.05) {
			return WC_INVALID_DAMAGE;
		}
	}

	// Shotguns and sawed-off shotguns shoot 15 bullets, each inflicting 3.3 damage
	case WEAPON_SHOTGUN, WEAPON_SAWEDOFF: {
		bullets = amount / 3.30000019073486328125;

		if (15.0 - bullets < -0.05) {
			return WC_INVALID_DAMAGE;
		}
	}
}

if (_:bullets) {
	new Float:f = floatfract(bullets);

	// The damage for each bullet has been tampered with
	if (f > 0.01 && f < 0.99) {
		return WC_INVALID_DAMAGE;
	}

	// Divide the damage amount by the number of bullets
	amount /= bullets;
}

// Check chainsaw damage
if (weaponid == WEAPON_CHAINSAW) {
	switch (amount) {
		case 6.6000003814697265625,
		     13.5300006866455078125,
		     16.1700000762939453125,
		     26.40000152587890625,
		     27.060001373291015625: {}

		default: {
			return WC_INVALID_DAMAGE;
		}
	}
}

// Check gun damage
new Float:def_amount = 0.0;

switch (weaponid) {
	case WEAPON_COLT45,
	     WEAPON_MP5: def_amount = 8.25;
	case WEAPON_SILENCED: def_amount = 13.200000762939453125;
	case WEAPON_DEAGLE: def_amount = 46.200000762939453125;
	case WEAPON_UZI,
	     WEAPON_TEC9: def_amount = 6.6000003814697265625;
	case WEAPON_AK47,
	     WEAPON_M4,
	     WEAPON_VEHICLE_M4: def_amount = 9.90000057220458984375;
	case WEAPON_RIFLE: def_amount = 24.7500019073486328125;
	case WEAPON_SNIPER: def_amount = 41.25;
	case WEAPON_MINIGUN,
	     WEAPON_VEHICLE_MINIGUN: def_amount = 46.200000762939453125;
	case WEAPON_VEHICLE: def_amount = 9.90000057220458984375;
}

if (_:def_amount && _:def_amount != _:amount) {
	return WC_INVALID_DAMAGE;
}