#include <amxmodx> 
#include <zombieplague> 
new bool:g_be_zombie[33] = { false, ... } 
public plugin_init() 
{ 
 register_plugin("undefined", "1.0", "MyChat:a7811311622") 
} 
public zp_round_started(gamemode, id) 
{ 
 if (gamemode) 
 { 
  for(new i = 1; i <= get_playersnum(); i++) g_be_zombie[i] = false 
  static zombie_count; zombie_count = floatround(get_playersnum()*0.9) 
  static g_count; g_count = 0 
  static random_id; random_id = 0 
  while (g_count < zombie_count) 
  { 
   random_id = random_num(1, get_playersnum()) 
   if (is_user_bot(random_id) && !g_be_zombie[random_id]) 
   { 
    g_be_zombie[random_id] = true 
    zp_infect_user(random_id) 
    g_count++ 
   } 
  } 
 } 
}