#include <amxmodx>
 #include <fakemeta>
 #include <fakemeta_util>
 #include <cstrike>

 new enabled_cvar, radius_cvar, color_cvar, gmsgScreenFade, cvNoBlind, cvRefresh, maxPlayers;

 public plugin_init()
 {
   register_plugin("Flashbang Dynamic Light","0.21","Avalanche");
   register_forward(FM_EmitSound,"fw_emitsound");

   enabled_cvar = register_cvar("fbl_enabled","1");
   radius_cvar = register_cvar("fbl_radius","50");
   color_cvar = register_cvar("fbl_color","255 255 255");
   
   cvNoBlind = register_cvar("fbl_noblind","0");
   cvRefresh = register_cvar("fbl_refresh","0.0");

   gmsgScreenFade = get_user_msgid("ScreenFade");
   register_event("ScreenFade","event_flash","be","1>0","2>0","3=0","4=255","5=255","6=255","7>199"); // from VEN
   maxPlayers = get_maxplayers();
      
   set_task(10.0,"refresh_nades");
 }
 
 public event_flash(id)
 {
    if(!get_pcvar_num(enabled_cvar) || !get_pcvar_num(cvNoBlind))
       return;

    // overwrite it
   message_begin(MSG_ONE,gmsgScreenFade,_,id);
   write_short(0);
   write_short(0);
   write_short(1<<2);
   write_byte(0);
   write_byte(0);
   write_byte(0);
   write_byte(0);
   message_end();
 }
 
 public refresh_nades(id)
 {
     new Float:time = get_pcvar_float(cvRefresh);
     if(time <= 0.0 || !get_pcvar_num(enabled_cvar))
     {
         set_task(30.0,"refresh_nades");
         return;
     }
     set_task(time,"refresh_nades");
     
     new i;
     for(i=1;i<=maxPlayers;i++)
     {
         if(is_user_alive(i) && !cs_get_user_bpammo(i,CSW_FLASHBANG))
            fm_give_item(i,"weapon_flashbang");
     }
 }

 public fw_emitsound(entity,channel,const sample[],Float:volume,Float:attenuation,fFlags,pitch)
 {
   // plugin disabled
   if(!get_pcvar_num(enabled_cvar))
      return FMRES_IGNORED;

   // not a flashbang exploding
   if(!equali(sample,"weapons/flashbang-1.wav") && !equali(sample,"weapons/flashbang-2.wav"))
      return FMRES_IGNORED;

   // light effect
   flashbang_explode(entity);

   return FMRES_IGNORED;
 }


 public flashbang_explode(greindex)
 {
   // invalid entity
   if(!pev_valid(greindex)) return;

   // get origin of explosion
   new Float:origin[3];
   pev(greindex,pev_origin,origin);

   // get color from cvar
   new color[16];
   get_pcvar_string(color_cvar,color,15);

   // split it into red, green, blue
   new redamt[5], greenamt[5], blueamt[5];
   parse(color,redamt,4,greenamt,4,blueamt,4);

   // send the light flash
   message_begin(MSG_BROADCAST,SVC_TEMPENTITY);
   write_byte(27); // TE_DLIGHT
   write_coord(floatround(origin[0])); // x
   write_coord(floatround(origin[1])); // y
   write_coord(floatround(origin[2])); // z
   write_byte(get_pcvar_num(radius_cvar)); // radius
   write_byte(str_to_num(redamt));   // r
   write_byte(str_to_num(greenamt)); // g
   write_byte(str_to_num(blueamt)); // b
   write_byte(8); // life
   write_byte(60); // decay rate
   message_end();
 }

#include <fakemeta_util>

Welcome to the AMX Mod X 1.8.1-300 Compiler.
Copyright (c) 1997-2006 ITB CompuPhase, AMX Mod X Team

Header size:            816 bytes
Code size:             4452 bytes
Data size:             1420 bytes
Stack/heap size:      16384 bytes; estimated max. usage=529 cells (2116 bytes)
Total requirements:   23072 bytes
Done.

Your plugin successfully compiled!
Use the link below to download your plugin. It will be valid for ten minutes.

http://www.amxmodx.org/webcompiler.cgi?go=dl&id=1029563

Welcome to the AMX Mod X 1.8.1-300 Compiler.
Copyright (c) 1997-2006 ITB CompuPhase, AMX Mod X Team

Header size:            816 bytes
Code size:             4452 bytes
Data size:             1420 bytes
Stack/heap size:      16384 bytes; estimated max. usage=529 cells (2116 bytes)
Total requirements:   23072 bytes
Done.

   color_cvar = register_cvar("fbl_color","255 255 255");

fbl_color 0 255 255