[Multipower]

#include <amxmodx> 
#include <engine>

#define PLUGIN  "Show Admins Online" 
#define VERSION "1.1" 
#define AUTHOR  "vato loco [GE-S] & Alka" 

new bool:g_bAdminNick
new bool:is_admin_connected[33]
new g_msg[512]

new g_admin_enable
new g_online_color
new g_offline_color
new g_msg_xypos

new g_SyncAdmin
new g_iAdminCount 
new g_iMaxPlayers

new g_ClassName[] = "admin_msg"

public plugin_init() 
{ 
    register_plugin( PLUGIN, VERSION, AUTHOR )
    
    register_think(g_ClassName,"ForwardThink")
    
    g_admin_enable = register_cvar("sa_plugin_on","1")
    g_online_color = register_cvar("sa_online_color","0 130 0")
    g_offline_color = register_cvar("sa_offline_color","255 0 0")
    g_msg_xypos = register_cvar("sa_msg_xypos","0.02 0.2")
    
    g_SyncAdmin = CreateHudSyncObj()
    g_iMaxPlayers = get_maxplayers()
    
    new iEnt = create_entity("info_target")
    entity_set_string(iEnt, EV_SZ_classname, g_ClassName)
    entity_set_float(iEnt, EV_FL_nextthink, get_gametime() + 2.0)
} 

public client_putinserver(id)
{
    if(get_user_flags(id) & ADMIN_KICK)
    {
        is_admin_connected[id] = true
        g_iAdminCount++
        set_admin_msg()
    }
    if(g_iAdminCount == 0)
        set_admin_msg()
}

public client_disconnect(id)
{
    if(is_admin_connected[id])
    {
        is_admin_connected[id] = false
        g_iAdminCount--
        set_admin_msg()
    }
}

public client_infochanged(id)
{
    if(is_admin_connected[id])
    {
        static NewName[32], OldName[32]
        get_user_info(id, "name", NewName, 31)
        get_user_name(id, OldName, 31)
        
        if(!equal(OldName, NewName))
        {
            g_bAdminNick = true
        }
    }
}

public set_admin_msg()
{
    static g_iAdminName[32], pos, i
    pos = 0
    pos += formatex(g_msg[pos], 511-pos, "Admins Online: %d", g_iAdminCount)
    
    for(i = 1 ; i <= g_iMaxPlayers ; i++)
    {    
        if(is_admin_connected[i])
        {
            get_user_name(i, g_iAdminName, 31)
            pos += formatex(g_msg[pos], 511-pos, "^n%s", g_iAdminName)
        }
    }
}

public admins_online() 
{
    if(get_pcvar_num(g_admin_enable))
    {
        static r, g, b, Float:x,Float:y
        HudMsgPos(x,y)
        
        if (g_iAdminCount > 0)
        {
            HudMsgColor(g_online_color, r, g, b)
            set_hudmessage(r, g, b, x, y, _, _, 4.0, _, _, 4)
            ShowSyncHudMsg(0, g_SyncAdmin, "%s", g_msg)
        }
        else
        {
            HudMsgColor(g_offline_color, r, g, b)
            set_hudmessage(r, g, b, x, y, _, _, 4.0, _, _, 4)
            ShowSyncHudMsg(0, g_SyncAdmin, "%s", g_msg)
        }
    }
    return PLUGIN_HANDLED
} 

public ForwardThink(iEnt)
{
    admins_online()
    
    if(g_bAdminNick)
    {
        set_admin_msg()
        g_bAdminNick = false
    }
        entity_set_float(iEnt, EV_FL_nextthink, get_gametime() + 2.0)
}

public HudMsgColor(cvar, &r, &g, &b)
{
    static color[16], piece[5]
    get_pcvar_string(cvar, color, 15)
    
    strbreak( color, piece, 4, color, 15)
    r = str_to_num(piece)
    
    strbreak( color, piece, 4, color, 15)
    g = str_to_num(piece)
    b = str_to_num(color)
}

public HudMsgPos(&Float:x, &Float:y)
{
    static coords[16], piece[10]
    get_pcvar_string(g_msg_xypos, coords, 15)
    
    strbreak(coords, piece, 9, coords, 15)
    x = str_to_float(piece)
    y = str_to_float(coords)
}

Anyone this line covert to Dhudmessage ?

    pos += formatex(g_msg[pos], 511-pos, "Admins Online: %d", g_iAdminCount)

[<VeCo>]

Change set_hudmessage to set_dhudmessage and ShowSyncHudMsg(0, g_SyncAdmin...) to show_dhudmessage(0, ...)