l4d_force_survivorset.sp

#include <left4downtown>

Handle:g_SurvSetCVar;

public OnPluginStart()
{
	g_SurvSetCVar = CreateConVar("l4d_force_survivorset", "2", 
		"Forces specified survivor set (0 - do not force, 1 - force l4d1 set, 2 - force l4d2 set (allows to use l4d2 survivors voices in l4d1 campaigns))", 
		FCVAR_PLUGIN);
}

public Action:L4D_OnGetSurvivorSet(&retVal)
{
	new val = GetConVarInt(g_SurvSetCVar);
	if(val == 1 || val == 2)
	{
		retVal = val;
		return Plugin_Handled;
	}
	return Plugin_Continue;
}

public Action:L4D_OnFastGetSurvivorSet(&retVal)
{
	new val = GetConVarInt(g_SurvSetCVar);
	if(val == 1 || val == 2)
	{
		retVal = val;
		return Plugin_Handled;
	}
	return Plugin_Continue;
}