/**********************************************************************
 * Copyright (c)2000-2002 Sony Online Entertainment Inc.
 * All Rights Reserved
 *
 * Title:        battlefield_spawner
 * Description:  script that goes on battlefield spawners in PVE battles.
 *
 * @author       $Author:$
 * @version      $Revision:$
 **********************************************************************/


/***** INCLUDES ********************************************************/
include library.battlefield;

/***** CONSTANTS *******************************************************/
const string VAR_NUMBER_SPAWNS				= "battlefield.number_spawns";

/***** TRIGGERS ********************************************************/
trigger OnInitialize()
{
	// Spawned mobs don't persist, so clear the population and spawn counter.
	setObjVar(self, battlefield.VAR_SPAWNER_CURRENT_POPULATION, 0);
	setObjVar(self, battlefield.VAR_SPAWNER_CURRENT, 0);

	// Restart the spawner
	int pulse = getIntObjVar(self, battlefield.VAR_SPAWNER_PULSE);
	messageTo(self, "msgBattlefieldSpawn", null, pulse, false);

	return SCRIPT_CONTINUE;
}

/***** MESSAGEHANDLERS *************************************************/
messageHandler msgBattlefieldSpawn()
{
	LOG("LOG_CHANNEL", "battlefield_spawner::msgBattlefieldSpawn -- " + self);

	int num_spawns = 0;
	if (hasObjVar(self, VAR_NUMBER_SPAWNS))
	{
		num_spawns = getIntObjVar(self, VAR_NUMBER_SPAWNS);
	}
	int max_spawns = getIntObjVar(self, battlefield.VAR_SPAWNER_MAX);
	int pulse = getIntObjVar(self, battlefield.VAR_SPAWNER_PULSE);

	region bf = battlefield.getBattlefield(self);
	if (bf == null)
		return SCRIPT_CONTINUE;

	obj_id master_object = battlefield.getMasterObjectFromRegion(bf);

	// Generate some spawn
	battlefield.createRandomSpawn(master_object, self);

	num_spawns--;

	if (num_spawns < max_spawns)
	{
		// Send a message for the next spawn.
		messageTo(self, "msgBattlefieldSpawn", null, pulse, false);
	}

	return SCRIPT_CONTINUE;
}

/***** COMMANDHANDLERS *************************************************/


/***** FUNCTIONS *******************************************************/