/* AMX Mod X
*   Scrolling Message Plugin
*
* by the AMX Mod X Development Team
*  originally developed by OLO
*
* This file is part of AMX Mod X.
*
*
*  This program is free software; you can redistribute it and/or modify it
*  under the terms of the GNU General Public License as published by the
*  Free Software Foundation; either version 2 of the License, or (at
*  your option) any later version.
*
*  This program is distributed in the hope that it will be useful, but
*  WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
*  General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software Foundation,
*  Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*  In addition, as a special exception, the author gives permission to
*  link the code of this program with the Half-Life Game Engine ("HL
*  Engine") and Modified Game Libraries ("MODs") developed by Valve,
*  L.L.C ("Valve"). You must obey the GNU General Public License in all
*  respects for all of the code used other than the HL Engine and MODs
*  from Valve. If you modify this file, you may extend this exception
*  to your version of the file, but you are not obligated to do so. If
*  you do not wish to do so, delete this exception statement from your
*  version.
*/

#include <amxmodx>
#include <amxmisc>

#define SPEED 0.3

new g_startPos
new g_endPos
new g_scrollMsg[384]
new g_displayMsg[384]
new Float:g_xPos
new g_Length
new g_Frequency

public plugin_init(){
  register_plugin("Scrolling Message","0.15","AMXX Dev Team")
  register_srvcmd("amx_scrollmsg","setMessage")
}

public showMsg(){
  new a = g_startPos, i = 0
  
  while( a < g_endPos )
    g_displayMsg[i++] = g_scrollMsg[a++]
    
  g_displayMsg[i] = 0
  
  if (g_endPos < g_Length)
    g_endPos++
    
  if (g_xPos > 0.35)
    g_xPos -= 0.0063
  else 
  {
    g_startPos++
    g_xPos = 0.35
  }
  
  set_hudmessage(200, 100, 0, g_xPos, 0.90, 0, SPEED, SPEED, 0.05, 0.05, 2)
  show_hudmessage(0,g_displayMsg)
}

public msgInit(){
  g_endPos = 1
  g_startPos = 0
  g_xPos = 0.65
  set_task( SPEED , "showMsg",123,"",0,"a", g_Length + 48)
  client_print(0,print_console,g_scrollMsg)
}

public setMessage(id,level,cid) {
  if (!cmd_access(id,level,cid,3))
    return PLUGIN_HANDLED
  remove_task(123) /* remove current messaging */
  read_argv(1,g_scrollMsg,380)
  new hostname[64]
  get_cvar_string("hostname",hostname,63)
  replace(g_scrollMsg,380,"%hostname%",hostname)
  g_Length = strlen(g_scrollMsg)
  new mytime[32]
  read_argv(2,mytime,31)
  g_Frequency = str_to_num(mytime)
  if (g_Frequency > 0) {    
    new minimal = floatround((g_Length + 48) * (SPEED + 0.1))
    if (g_Frequency < minimal)  {
      console_print(id,"Minimal frequency for this message is %d seconds",minimal)
      g_Frequency = minimal
    }
    console_print(id,"Scrolling message displaying frequency: %d:%02d minutes",
      g_Frequency/60,g_Frequency%60)
    set_task(float(g_Frequency),"msgInit",123,"",0,"b")
  }
  else
    console_print(id,"Scrolling message disabled")
  return PLUGIN_HANDLED
}