[dr leks]

Hello! Please accept my apologies for my english
Could you help me with this plugin

#pragma semicolon 1
#include <sourcemod>
#include <sdktools>

new String:current_map[55];

public Plugin:myinfo =
{
    name = "[L4D2] Model Select",
    author = "Accelerator",
    description = "Select model Player",
    version = "1.4",
    url = ""
};

public OnPluginStart()
{
    RegConsoleCmd("sm_rochelle", Command_model);
    RegConsoleCmd("sm_coach", Command_model);
    RegConsoleCmd("sm_nick", Command_model);
    RegConsoleCmd("sm_ellis", Command_model);
    RegConsoleCmd("sm_zoey", Command_model);
    RegConsoleCmd("sm_francis", Command_model);
    RegConsoleCmd("sm_louis", Command_model);
    RegConsoleCmd("sm_bill", Command_model);
}

public OnMapStart()
{
    GetCurrentMap(current_map, sizeof(current_map));
    
    CheckPrecacheModel("models/survivors/survivor_gambler.mdl");
    CheckPrecacheModel("models/survivors/survivor_manager.mdl");
    CheckPrecacheModel("models/survivors/survivor_coach.mdl");
    CheckPrecacheModel("models/survivors/survivor_producer.mdl");
    CheckPrecacheModel("models/survivors/survivor_teenangst.mdl");
    CheckPrecacheModel("models/survivors/survivor_biker.mdl");
    CheckPrecacheModel("models/survivors/survivor_namvet.mdl");
    CheckPrecacheModel("models/survivors/survivor_mechanic.mdl");
}

public Action:Command_model(client, args)
{
    if (!client || !IsClientInGame(client))
        return Plugin_Continue;

    decl String:model[256];
    GetCmdArg(0, model, sizeof(model));
    
    ReplaceString(model, sizeof(model), "sm_", "", false);

    if (client)
    {
        if (GetClientTeam(client) == 2)
        {            
            if (L4DMaps() == 2)
            {
                if (StrEqual(model, "nick"))
                {
                    SetEntProp(client, Prop_Send, "m_survivorCharacter", 0);
                    SetEntityModel(client, "models/survivors/survivor_gambler.mdl");
                }
                else if (StrEqual(model, "rochelle"))
                {
                    SetEntProp(client, Prop_Send, "m_survivorCharacter", 1);
                    SetEntityModel(client, "models/survivors/survivor_producer.mdl");
                }
                else if (StrEqual(model, "coach"))
                {
                    SetEntProp(client, Prop_Send, "m_survivorCharacter", 2);
                    SetEntityModel(client, "models/survivors/survivor_coach.mdl");
                }
                else if (StrEqual(model, "ellis"))
                {
                    SetEntProp(client, Prop_Send, "m_survivorCharacter", 3);
                    SetEntityModel(client, "models/survivors/survivor_mechanic.mdl");
                }
                else
                {
                    PrintToChat(client, "\x05Changing the skin \x04%s\x05 on this map disabled", model);
                    return Plugin_Continue;
                }
            }
            else if (L4DMaps() == 1)
            {
                if (StrEqual(model, "bill"))
                {
                    SetEntProp(client, Prop_Send, "m_survivorCharacter", 0);
                    SetEntityModel(client, "models/survivors/survivor_namvet.mdl");
                }
                else if (StrEqual(model, "zoey"))
                {
                    SetEntProp(client, Prop_Send, "m_survivorCharacter", 1);
                    SetEntityModel(client, "models/survivors/survivor_teenangst.mdl");
                }
                else if (StrEqual(model, "louis"))
                {
                    SetEntProp(client, Prop_Send, "m_survivorCharacter", 2);
                    SetEntityModel(client, "models/survivors/survivor_manager.mdl");
                }
                else if (StrEqual(model, "francis"))
                {
                    SetEntProp(client, Prop_Send, "m_survivorCharacter", 3);
                    SetEntityModel(client, "models/survivors/survivor_biker.mdl");
                }
                else
                {
                    PrintToChat(client, "\x05Changing the skin \x04%s\x05 on this map disabled", model);
                    return Plugin_Continue;
                }
            }
            else
            {
                PrintToChat(client, "\x05Changing the skin \x04%s\x05 on this map disabled", model);
                return Plugin_Continue;
            }
            
            PrintToChat(client, "\x05Current skin is replaced by the skin \x04%s", model);
        }
    }
    return Plugin_Continue;
}

L4DMaps()
{
    if ((StrContains(current_map, "c7m") != -1) || (StrContains(current_map, "c8m") != -1) || (StrContains(current_map, "c9m") != -1) || (StrContains(current_map, "c10m") != -1) || (StrContains(current_map, "c11m") != -1) || (StrContains(current_map, "c12m", false) != -1)) 
        return 1;
        
    if ((StrContains(current_map, "c1m") != -1) || (StrContains(current_map, "c2m") != -1) || (StrContains(current_map, "c3m") != -1) || (StrContains(current_map, "c4m") != -1) || (StrContains(current_map, "c5m") != -1) || (StrContains(current_map, "c6m", false) != -1) || (StrContains(current_map, "c13m", false) != -1)) 
        return 2;
    
    return 0;
}

public CheckPrecacheModel(String:Model[])
{
    if (!IsModelPrecached(Model)) 
    {
        PrecacheModel(Model);
    }
}

How to get him to maintain throughout the game on the server that I select a character?