#include <amxmodx>
#include <fakemeta>
#include <hamsandwich>

// ------------------------------------
new const PLUGIN[] =  "No Fall Death"
#define VERSION       "1.0"
// ------------------------------------

#define RANDOM_MIN_VALUE   1.0
#define REGENERATE_MIN_VALUE   1.0

new Float: Health[ 33 ];

new toggle_plugin, toggle_interval, toggle_amount;
new p_plugin, p_int, p_amount;
new g_msghealth;

public plugin_init() 
{
   register_plugin( PLUGIN, VERSION, "anakin_cstrike" );
   
   register_logevent( "roundstart", 2, "1=Round_Start" );
   RegisterHam( Ham_TakeDamage, "player", "ham_damage" );
   
   toggle_plugin = register_cvar( "nfd_plugin", "1" );
   toggle_interval = register_cvar( "nfd_interval", "5" );
   toggle_amount = register_cvar( "ndf_amount", "3" );
   
   g_msghealth = get_user_msgid( "Health" );
}
public roundstart()
{
   p_plugin = get_pcvar_num( toggle_plugin );
   p_int = get_pcvar_num( toggle_interval );
   p_amount = get_pcvar_num( toggle_amount );
}

public ham_damage( this, inflictor, attacker, Float:damage, damagebits )
{
   if( !p_plugin )
      return FMRES_IGNORED;
   if( !( damagebits & DMG_FALL ) )
      return HAM_IGNORED;
   
   if( task_exists( this+123 ) )
      remove_task( this+123 );   
   
   pev( this, pev_health, Health[ this ] );   
   
   switch( p_plugin )
   {
      case 1: return HAM_SUPERCEDE;
      case 2:
      {
         if( Check( damage, Health[ this ] ) )
         {
            SetHealth( this, random_float( RANDOM_MIN_VALUE, Health[ this ] ) );
            return HAM_SUPERCEDE;
         }
      }
      case 3:
      {
         if( Check( damage, Health[ this ] ) )
         {
            if( task_exists( this+123 ) )
               remove_task( this+123 );
      
            SetHealth( this, REGENERATE_MIN_VALUE );
            set_task( float( p_int ), "give", this+123, _, _, "b" );
      
            return HAM_SUPERCEDE;
         }
      }
   }
   
   return HAM_IGNORED;
}

public give( index )
{
   index -= 123;
   
   new Float: hp;
   pev( index, pev_health, hp );
   
   new Float: total = hp + float( p_amount );
   SetHealth( index, total );
      
   if( hp >= Health[ index ] )
   {
      SetHealth( index, Health[ index ] );
      remove_task( index );
      return 0;
   }
   
   return 0;
}

SetHealth( index, Float: hp )
{
   message_begin( MSG_ONE, g_msghealth, {0,0,0}, index );
   write_byte( floatround( hp ) );
   message_end();
   
   set_pev( index, pev_health, hp );
}

bool: Check( Float:value, Float:compare )
   return ( value >= compare ) ? true : false;