client.cpp
find this: Code:

void HUD_TempEntUpdate 

add somewhere in body: Code:

if(cvar.light)
  {
      dlight_t *dl = gEngfuncs.pEfxAPI->CL_AllocDlight (0);
      VectorCopy (me.pmEyePos, dl->origin);
      dl->radius = cvar.light;
      dl->color.r = 255;
      dl->color.g = 255;
      dl->color.b = 255;
      dl->die = client_time + 0.01;
  }

  if(cvar.tlight && gAimbot.target!=-1 )
  {
      ColorEntry* color = colorList.get(29);
      dlight_t *dl = gEngfuncs.pEfxAPI->CL_AllocDlight (0);
      VectorCopy ( vPlayers[gAimbot.target].origin(), dl->origin );
      dl->radius = cvar.tlight;
      dl->color.r = color->r;
      dl->color.g = color->g;
      dl->color.b = color->b;
      dl->die = client_time + 0.01;
  }

  // == provide time handler with timing info
  ClientTime::reportMapTime( client_time );

}

cvar.h: Code:

int tlight;
int light;

cvar.cpp Code:

REGISTER_CVAR_INT( light ,0)
REGISTER_CVAR_INT( tlight ,0)