message: Add constants for area and module script events to NWNX_Object plugin.
diff: #include "nwnx"
  +// Area event handlers
  +const int NWNX_OBJECT_SCRIPT_AREA_ON_HEARTBEAT = 0;
  +const int NWNX_OBJECT_SCRIPT_AREA_ON_USER_DEFINED = 1;
  +const int NWNX_OBJECT_SCRIPT_AREA_ON_ENTER = 2;
  +const int NWNX_OBJECT_SCRIPT_AREA_ON_EXIT = 3;
  +
  +// Module event handlers
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_HEARTBEAT = 0;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_USER_DEFINED = 1;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_LOAD = 2;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_ENTER = 4;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_LEAVE = 5;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_ACTIVATE = 6;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_ACQUIRE = 7;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_UNACQUIRE = 8;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_DEATH = 9;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_DYING = 10;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_RESPAWN = 11;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_REST = 12;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_LEVEL_UP = 13;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_CUTSCENE_ABORT = 14;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_EQUIP_ITEM = 15;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_UNEQUIP_ITEM = 16;
  +const int NWNX_OBJECT_SCRIPT_MODULE_ON_PLAYER_CHAT = 17;
  +
  // Creature event handlers
  const int NWNX_OBJECT_SCRIPT_CREATURE_ON_HEARTBEAT = 0;
  const int NWNX_OBJECT_SCRIPT_CREATURE_ON_NOTICE = 1;
  