[Accelerator]

public Action:OnPlayerRunCmd(client, &buttons, &impulse, Float:vel[3], Float:angles[3], &weapon)
{
	if (!buttons)
		return Plugin_Continue;
	
	if (!IsClientInGame(client) || IsFakeClient(client) || GetClientTeam(client) != 3
		|| GetEntProp(client, Prop_Send, "m_zombieClass") != 8)
			return Plugin_Continue;
	
	if (buttons & IN_RELOAD)
	{
		g_iQueuedThrow[client] = 3; //two hand overhand
		buttons |= IN_ATTACK2;
	}
	else if (buttons & IN_USE)
	{
		g_iQueuedThrow[client] = 2; //underhand
		buttons |= IN_ATTACK2;
	}
	else
	{
		g_iQueuedThrow[client] = 1; //one hand overhand
	}
	
	return Plugin_Continue;
}

public Action:L4D2_OnSelectTankAttack(client, &sequence)
{
	if ((sequence == 761 || sequence == 762) && g_iQueuedThrow[client])
	{
		//rock throw
		sequence = g_iQueuedThrow[client] + 48;
		return Plugin_Handled;
	}
	return Plugin_Continue;
}

I don’t understand what I'm doing wrong, but it doesn’t work) The rock throw animation is just buggy.