/*
  *
  *    Author:  Cheesy Peteza
  *    Date:  22-Apr-2004 (updated 2-March-2005)
  *
  *
  *    Description:    Enable bunny hopping in Counter-Strike.
  *      Файл скачан с www.makeserver.ru
  *    Cvars:
  *   bh_enabled  1 to enable this plugin, 0 to disable.
  *   bh_autojump  If set to 1 players just need to hold down jump to bunny hop (no skill required)
  *   bh_showusage  If set to 1 it will inform joining players that bunny hopping has been enabled
  *      and how to use it if bh_autojump enabled.
  *
  *    Requirements:    AMXModX 0.16 or greater
  *
  *
  */

#include <amxmodx>
#include <engine>

#define    FL_WATERJUMP    (1<<11)    // player jumping out of water
#define    FL_ONGROUND    (1<<9)    // At rest / on the ground

public plugin_init() {
  register_plugin("Super Bunny Hopper", "1.2", "Cheesy Peteza")
  register_cvar("sbhopper_version", "1.2", FCVAR_SERVER)

  register_cvar("bh_enabled", "1")
  register_cvar("bh_autojump", "1")
  register_cvar("bh_showusage", "1")
}

public client_PreThink(id) {
  if (!get_cvar_num("bh_enabled"))
   return PLUGIN_CONTINUE

  entity_set_float(id, EV_FL_fuser2, 0.0)  // Disable slow down after jumping

  if (!get_cvar_num("bh_autojump"))
   return PLUGIN_CONTINUE

// Code from CBasePlayer::Jump (player.cpp)  Make a player jump automatically
  if (entity_get_int(id, EV_INT_button) & 2) {    // If holding jump
   new flags = entity_get_int(id, EV_INT_flags)

   if (flags & FL_WATERJUMP)
    return PLUGIN_CONTINUE
   if ( entity_get_int(id, EV_INT_waterlevel) >= 2 )
    return PLUGIN_CONTINUE
   if ( !(flags & FL_ONGROUND) )
    return PLUGIN_CONTINUE

   new Float:velocity[3]
   entity_get_vector(id, EV_VEC_velocity, velocity)
   velocity[2] += 250.0
   entity_set_vector(id, EV_VEC_velocity, velocity)

   entity_set_int(id, EV_INT_gaitsequence, 6)    // Play the Jump Animation
  }
  return PLUGIN_CONTINUE
}

public client_authorized(id)
  set_task(30.0, "showUsage", id)

public showUsage(id) {
  if ( !get_cvar_num("bh_enabled") || !get_cvar_num("bh_showusage") )
   return PLUGIN_HANDLED

  if ( !get_cvar_num("bh_autojump") ) {
   client_print(id, print_chat, "[AMX] Bunny hopping is enabled on this server. You will not slow down after jumping.")
  } else {
   client_print(id, print_chat, "[AMX] Auto bunny hopping is enabled on this server. Just hold down jump to bunny hop.")
  }
  return PLUGIN_HANDLED
}