0 — Soldier.
50 — Sergeant.
300 — Officer.
500 — Captain.
1000 — Major.
2000 — Colonel.
3500 — General.
5000 — Genegalisimus.
10000 — God of Half-Life.

[/spoiler]

[Настройки]
Для того чтобы обнулить счет нужно написать в чат или консоль /rs (Эта команда регулируется в настройках плагина.)
[spoiler=hlrs_config]
//Config to <Half-Life Rank System>

//Turn on the issue of weapons when the rank is reached?
//Включить выдачу оружия при достижении нового ранга?
//1-Enabled | 0 - Disabled ::: Default - 1
hlrs_weapons 1

//Enable the cancellation of the score?
//Включить возможность аннуляции score?
//1-Enabled | 0 - Disabled ::: Default - 1
hlrs_rs 1

//Color of HUD
//Red - 0
//Green - 255
//Blue - 0
hlrs_hud_r 0
hlrs_hud_g 255
hlrs_hud_b 0

give_item_repeatedly(id, item_class[], count = 1) {
    do {
        give_item(id, item_class);
        --count;
    } while(count > 0);
}

// before
give_item(id ,"ammo_crossbow");
give_item(id ,"ammo_crossbow");
give_item(id ,"ammo_crossbow");
give_item(id ,"ammo_357");
give_item(id ,"ammo_357");
give_item(id ,"ammo_357");

// after
give_item_repeatedly(id, "ammo_crossbow", 3);
give_item_repeatedly(id, "ammo_357", 3);

..

// Crossbow 
give_item(id ,"weapon_crossbow");
give_item(id ,"ammo_crossbow");
give_item(id ,"ammo_crossbow");
give_item(id ,"ammo_crossbow");
give_item(id ,"ammo_crossbow");
give_item(id ,"ammo_crossbow");
give_item(id ,"ammo_crossbow");
give_item(id ,"ammo_crossbow");
give_item(id ,"ammo_crossbow");

#define CROSSBOW_AMMO_PACKS 8

give_weapon_crossbow(id) { // and do this for all the weapons
    give_item(id ,"weapon_crossbow");
    give_item_repeatedly(id, "ammo_crossbow", CROSSBOW_AMMO_PACKS);
}

проапдейтил код, может тебе и понравится, правда я проверял только на ошибки компиляции

/*
   <Half-Life Rank System>
   Version : 1.2.78[+]
   Author : BIGs
   Site : https://hl-hev.ru/
   
   Thanks : 
   D-AIRY[Ds-Servers.com] - Help in adjusting the code.
   Turanga_Leela[aghl.ru] - Help in adjusting the code and tested.
   TEPA6ANT[HL-HEV Team] - Help in testing the plugin.
   
   Community HL-HEV | All for Half-Life <c>2018
*/

#include <amxmodx>
#include <hamsandwich>
#include <nvault>
#include <fun>

#pragma semicolon 1
#pragma ctrlchar  '\'

#define PLUGIN "Half-Life : Rank System"
#define VERSION "1.2.78[+]"
#define AUTHOR "BIGs"

#define RANK_SCORE_MIN 0
#define RANK_SCORE_MAX 1
#define RANK_SCORES 2

#define RANK_0      0
#define RANK_I      1
#define RANK_II     2
#define RANK_III    3
#define RANK_IV     4
#define RANK_V      5
#define RANK_VI     6
#define RANK_VII    7
#define RANK_VIII   8

#define RANK_0_SCORE_MIN 0
#define RANK_0_SCORE_MAX 50

#define RANK_I_SCORE_MIN 51
#define RANK_I_SCORE_MAX 100

#define RANK_II_SCORE_MIN 101
#define RANK_II_SCORE_MAX 300

#define RANK_III_SCORE_MIN 301
#define RANK_III_SCORE_MAX 500

#define RANK_IV_SCORE_MIN 501
#define RANK_IV_SCORE_MAX 1000

#define RANK_V_SCORE_MIN 1001
#define RANK_V_SCORE_MAX 2000

#define RANK_VI_SCORE_MIN 2001
#define RANK_VI_SCORE_MAX 3500

#define RANK_VII_SCORE_MIN 3501
#define RANK_VII_SCORE_MAX 5000

#define RANK_VIII_SCORE_MIN 5001
#define RANK_VIII_SCORE_MAX 10000

#define RANKS_TOTAL 9

#define CROSSBOW_AMMO_PACKS     8
#define AMMO_PACKS_357          3
#define SHOTGUN_AMMO_PACKS      4
#define SNARK_AMMO_PACKS        3
#define TRIPMINE_AMMO_PACKS     2
#define SATCHEL_AMMO_PACKS      3
#define GAUSS_AMMO_PACKS        5
#define EGON_AMMO_PACKS         5

new const g_scores[RANKS_TOTAL][RANK_SCORES] = {
    {   RANK_0_SCORE_MIN,      RANK_0_SCORE_MAX     },
    {   RANK_I_SCORE_MIN,      RANK_I_SCORE_MAX     },
    {   RANK_II_SCORE_MIN,     RANK_II_SCORE_MAX    },
    {   RANK_III_SCORE_MIN,    RANK_III_SCORE_MAX   },
    {   RANK_IV_SCORE_MIN,     RANK_IV_SCORE_MAX    },
    {   RANK_V_SCORE_MIN,      RANK_V_SCORE_MAX     },
    {   RANK_VI_SCORE_MIN,     RANK_VI_SCORE_MAX    },
    {   RANK_VII_SCORE_MIN,    RANK_VII_SCORE_MAX   },
    {   RANK_VIII_SCORE_MIN,   RANK_VIII_SCORE_MAX  }
}; // g_scores

//Constants and other
new PlayerNameList[33][33];
new PlayerIpList[33][16];
new PlayerSteamId[33][33];

//Cvars
new cv_weapons , cv_rs ,cv_hud_r,cv_hud_g,cv_hud_b;
//Gets_Cvars
new gcv_weapons , gcv_rs ,gcv_hud_r,gcv_hud_g,gcv_hud_b;
//---------RANKS--------
new const PlayerRankList[][] = {
   "soldier",
   "sergeant",
   "officer",
   "captain",
   "major",
   "colonel",
   "general",
   "genegalisimus",
   "God of Half-Life"
};

new const ScoreTab[][] = {
   "50",
   "100",
   "300",
   "500",
   "1000",
   "2000",
   "3500",
   "5000",
   "10000"
};

new PlayerScore[33];   //Kills

public plugin_init() {
   register_plugin(PLUGIN, VERSION, AUTHOR);
   RegisterHam(Ham_Killed,"player","HamPlayerKill");
   RegisterHam(Ham_Spawn,"player","HamPlayerSpawn" , 1);
   
   //Create DataFile
   new fp = nvault_open("hlrs");
   nvault_close(fp);
   
   set_task(45.0 , "ChatInfo",_,_,_,"b");
   
   register_clcmd("say /rs","rs_reset_score");
   register_clcmd("say_team /rs","rs_reset_score");
   register_clcmd("/rs","rs_reset_score");
}

public plugin_cfg() {
   if(is_linux_server()) {
      new sMsg[512];
      formatex(sMsg , 511,"\n\e[01;38;05;46m           [HLRS] : Rank System...   Started!\n      [HLRS] : Version \e[01;38;05;214m%s\e[0m" , VERSION);

      server_print("%s" ,sMsg);
      if(file_exists("addons/amxmodx/data/vault/hlrs.vault"))
         server_print("\e[01;38;05;46m           [HLRS] : nVault file...   Detected!\e[0m\n");
         
   } else {
      server_print("--------------------------------------------------------------------------------");
      server_print("      [HLRS] : Rank System...   Started!");
      if(file_exists("addons/amxmodx/data/vault/hlrs.vault"))
         server_print("      [HLRS] : nVault file...   Detected!");
         
      server_print("      [HLRS] : Version %s" , VERSION);
      server_print("      Copyright <c> 2018 (Community HL-HEV.RU)");   
      server_print("--------------------------------------------------------------------------------");
   }
   //Cvars
   register_cvar("hlrs_version",VERSION,FCVAR_SERVER);
   cv_weapons = register_cvar("hlrs_weapons" ,"1");
   cv_rs = register_cvar("hlrs_rs" , "1");
   
   cv_hud_r = register_cvar("hlrs_hud_r" , "0");
   cv_hud_g = register_cvar("hlrs_hud_g" , "255");
   cv_hud_b = register_cvar("hlrs_hud_b" , "0");
   
   gcv_weapons = get_pcvar_num(cv_weapons);
   gcv_rs = get_pcvar_num(cv_rs);
   
   gcv_hud_r = get_pcvar_num(cv_hud_r);
   gcv_hud_g = get_pcvar_num(cv_hud_g);
   gcv_hud_b = get_pcvar_num(cv_hud_b);
   
   if(file_exists("addons/amxmodx/configs/hlrs_config.cfg"))
   {
      server_print("[HLRS] : Config loaded successfuly!");
      server_cmd("exec addons/amxmodx/configs/hlrs_config.cfg");
   }else{
      server_print("[HLRS] : Config loaded failing!");
   }
}

public plugin_natives() {
   register_native("hlrs_set_score","rs_set_score",1);
   register_native("hlrs_get_score","rs_get_score",1);
   register_native("hlrs_get_user_rank","rs_get_user_rank",1);
}

public rs_reset_score(id) {
   if(gcv_rs) {
      new fp = nvault_open("hlrs");
      nvault_remove(fp , PlayerSteamId[id]);
      client_print(id , print_chat ,"[HLRS] : You score is reset!");
      
      nvault_close(fp);
   } else {
      client_print(id , print_chat ,"[HLRS] : It's function disabled!");
   }
}

public ChatInfo() {
   new const ChatLst[][] = {
      "[HLRS] : Print /rs for reset you Score.",
      "<Half-Life Rank System>"
   };
   
   client_print(0,print_chat,"%s" ,ChatLst[random_num(0,2)]);
}

public client_putinserver(id) {
   if(!is_user_bot(id)) {
      get_user_name(id , PlayerNameList[id] ,32);
      get_user_ip(id , PlayerIpList[id] ,15);
      get_user_authid(id ,PlayerSteamId[id],32);
   }
   
   PlayerScore[id] = rs_get_score(PlayerSteamId[id]);
   InfoHudMsg(id);
}

public InfoHudMsg(id) {
   if(is_user_alive(id)) {
      set_hudmessage(gcv_hud_r, gcv_hud_g, gcv_hud_b, 0.03, 0.68, 0, 6.0, 12.0, 0.08, 2.0, true); 
      show_hudmessage(id, "-------------------------------\nName : %s \nScore : %i/%s\nRank : %s\n-------------------------------" , PlayerNameList[id],PlayerScore[id],rs_get_next_score(PlayerScore[id]),rs_get_user_rank(PlayerScore[id]));
   }
   
   set_task(3.0 , "InfoHudMsg" ,id);
}

public HamPlayerKill(victim , attacker) {
   if(is_user_connected(attacker)) {
       new pKills = rs_get_score(PlayerSteamId[attacker]);
       new nKills = pKills + 1;
       new form[11];
       format(form , charsmax(form) ,"%i" , nKills);
         
       rs_set_score(PlayerSteamId[attacker],form);
         
       if(victim != attacker) {
           PlayerScore[attacker]++;
           PlayerScore[victim]--;
      }
   }
}

public HamPlayerSpawn(id) {
   if(is_user_alive(id) && gcv_weapons) {
        switch(get_rank(PlayerScore[id])) {
            case RANK_0: {
                give_equipment_for_rank_0(id);
            } case RANK_I: {
                give_equipment_for_rank_I(id);
            } case RANK_II: {
                give_equipment_for_rank_II(id);
                give_weapon_satchel(id);
            } case RANK_III: {
                give_equipment_for_rank_III(id);
            } case RANK_IV: {
                give_equipment_for_rank_IV(id);  
            } case RANK_V: {
                give_equipment_for_rank_V(id);
            } case RANK_VI: {
                give_equipment_for_rank_VI(id);
            } case RANK_VII: {
                give_equipment_for_rank_VII(id);
            } case RANK_VIII: {
                give_equipment_for_rank_VIII(id);
            } default: {
                // ERROR ?
                give_equipment_for_rank_VIII(id);
            }
        }
    }
}

public rs_set_score(steamid [],score[]) {
   new fp = nvault_open("hlrs");
   nvault_set(fp ,steamid,score);
   nvault_close(fp);
}

public rs_get_score(steamid[]) {
   new fp = nvault_open("hlrs");
   new score = nvault_get(fp ,steamid);
   nvault_close(fp);
   
   return score;
}

public rs_get_next_score(score) {
    return ScoreTab[get_rank(score)];
} // rs_get_next_score

public rs_get_user_rank(score) {
    return PlayerRankList[get_rank(score)];
} // rs_get_user_rank

give_weapon_gauss(id, ammo = GAUSS_AMMO_PACKS) {
    give_item(id , "weapon_gauss");
    give_item_repeatedly(id, "ammo_gaussclip", ammo);
} // give_weapon_gauss

give_weapon_egon(id, ammo = EGON_AMMO_PACKS) {
    give_item(id , "weapon_egon");
    give_item_repeatedly(id, "ammo_gaussclip", ammo);
} // give_weapon_egon

give_weapon_9mmAR(id) {
    give_item(id ,"weapon_9mmAR");
    give_item(id ,"ammo_9mmbox");
    give_item(id ,"ammo_ARgrenades");
} // give_weapon_9mmAR

give_weapon_satchel(id, ammo = SATCHEL_AMMO_PACKS) {
    give_item_repeatedly(id, "weapon_satchel", ammo);
} // give_weapon_satchel

give_weapon_tripmine(id, ammo = TRIPMINE_AMMO_PACKS) {
    give_item_repeatedly(id, "weapon_tripmine", ammo);
} // give_weapon_tripmine

give_weapon_snark(id, ammo = SNARK_AMMO_PACKS) {
    give_item_repeatedly(id, "weapon_snark", ammo);
} // give_weapon_snark

give_weapon_hornetgun(id) {
    give_item(id ,"weapon_hornetgun");
} // give_weapon_hornetgun

give_weapon_shotgun(id, ammo = SHOTGUN_AMMO_PACKS) {
    give_item(id ,"weapon_shotgun");
    give_item_repeatedly(id, "ammo_buckshot", ammo);
} // give_weapon_shotgun

give_weapon_crossbow(id, ammo = CROSSBOW_AMMO_PACKS) {
    give_item(id ,"weapon_crossbow");
    give_item_repeatedly(id, "ammo_crossbow", ammo);
} // give_weapon_crossbow

give_weapon_357(id, ammo = AMMO_PACKS_357) {
    give_item(id ,"weapon_357");
    give_item_repeatedly(id, "ammo_357", ammo);
} // give_weapon_357

give_item_repeatedly(id, item_class[], count = 1) {
    if(0 >= count) {
        return;    
    }

    do {
        give_item(id, item_class);
        --count;
    } while(count > 0);
} // give_item_repeatedly

set_full_armor(id) {
    give_item_repeatedly(id, "item_battery", 7);
} // set_full_armor

set_full_pack_of_ARgrenades(id) {
    give_item_repeatedly(id, "ammo_ARgrenades", 4);
} // set_full_pack_of_ARgrenades

set_full_pack_of_gaussclip(id) {
    give_item_repeatedly(id, "ammo_gaussclip", 5);
} // set_full_pack_of_gaussclip

get_rank(score) {
    new rank = 0;
    for(; rank < sizeof(g_scores); ++rank) {
        if((g_scores[rank][RANK_SCORE_MIN] <= score) &&
           (g_scores[rank][RANK_SCORE_MAX] >= score)) {
            break;
        }
    }
    
    return rank;
} // get_rank

give_equipment_for_rank_0(id) {
    give_weapon_357(id);
    give_weapon_tripmine(id);
} // give_equipment_for_rank_0

give_equipment_for_rank_I(id) {
    give_equipment_for_rank_0(id);
    give_weapon_9mmAR(id);
} // give_equipment_for_rank_I

give_equipment_for_rank_II(id) {
    give_equipment_for_rank_I(id);
    give_weapon_shotgun(id);
} // give_equipment_for_rank_II

give_equipment_for_rank_III(id) {
    give_equipment_for_rank_II(id);
    give_weapon_crossbow(id);
} // give_equipment_for_rank_III

give_equipment_for_rank_IV(id) {
    give_equipment_for_rank_III(id);
    set_full_pack_of_ARgrenades(id);
    set_full_pack_of_gaussclip(id);
    give_weapon_snark(id);    
} // give_equipment_for_rank_IV

give_equipment_for_rank_V(id) {
    give_equipment_for_rank_IV(id);
    give_weapon_hornetgun(id);
} // give_equipment_for_rank_V

give_equipment_for_rank_VI(id) {
    give_equipment_for_rank_V(id);
    give_weapon_gauss(id, 0);
} // give_equipment_for_rank_VI

give_equipment_for_rank_VII(id) {
    give_equipment_for_rank_VI(id);
    give_weapon_egon(id, 0);
} // give_equipment_for_rank_VII

give_equipment_for_rank_VIII(id) {
    give_equipment_for_rank_VII(id);
    set_full_armor(id);
} // give_equipment_for_rank_VIII