/**********************************************************************
 * Copyright (c)2000-2002 Sony Online Entertainment Inc.
 * All Rights Reserved
 *
 * Title:        destructible_building
 * Description:  script that goes destructible buildings.
 *
 * @author       $Author:$
 * @version      $Revision:$
 **********************************************************************/


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

/***** CONSTANTS *******************************************************/


/***** TRIGGERS ********************************************************/
trigger OnFollowMoving(obj_id target)
{
	// Check to make sure the critter stays in the battlefield. If not, destroy it.
	region bf = battlefield.getBattlefield(self);
	if (bf == null)
		destroyObject(self);
	
	return SCRIPT_CONTINUE;
}

trigger OnIncapacitated(obj_id killer)
{
	LOG("LOG_CHANNEL", "battlefield.battlefield_object::OnIncapacitated -- " + self + "   " + killer);

	if (battlefield.isBattlefieldSpawned(self))
	{
		region bf = battlefield.getBattlefield(self);
		obj_id master_object = battlefield.getMasterObjectFromRegion(bf);

		battlefield.registerBattlefieldKill(killer, self, master_object);
	}

	return SCRIPT_CONTINUE;
}

trigger OnDestroy()
{
	// LOG("LOG_CHANNEL", "battlefield.battlefield_object::OnDestroy -- " + self);

	// If the object was a mob spawned by the battlefield, we must update the spawner upon it's destruction
	// if the battlefield is still active.
	if (battlefield.isBattlefieldSpawned(self))
	{
		obj_id master_object = getObjIdObjVar(self, battlefield.VAR_SPAWNED_BATTLEFIELD);
		if (master_object == null)
		{
			LOG("LOG_CHANNEL", "battlefield.battlefield_object::OnDestroy (" + self + ") -- Battlefield object is null.");
			return SCRIPT_CONTINUE;
		}
		if (battlefield.isBattlefieldActive(master_object))
		{
			obj_id spawner = getObjIdObjVar(self, battlefield.VAR_SPAWNED_BY);
			if (spawner == null)
			{
				LOG("LOG_CHANNEL", "battlefield.battlefield_object::OnDestroy (" + self + ") -- Spawned_by is null.");
			}
			else
			{
				if (spawner.isLoaded())
				{
					// This should always be loaded, but check just to make sure.
					if (hasObjVar(spawner, battlefield.VAR_SPAWNER_CURRENT_POPULATION))
					{
						// If the spawner isn't keeping track of current population, don't decrement the counter.
						int population = getIntObjVar(spawner, battlefield.VAR_SPAWNER_CURRENT_POPULATION);
						setObjVar(spawner, battlefield.VAR_SPAWNER_CURRENT_POPULATION, population - 1);
						LOG("LOG_CHANNEL", "population ->" + population);
					}
				}
				else
					LOG("LOG_CHANNEL", "battlefield.battlefield_object::OnDestroy -- spawner " + spawner + " is not loaded.");
			}

			// Clear the reference of the spawned mob from the battlefield.  If the battlefield is active,
			// the spawned mob was destroyed through the death/decay mechanics and not removeBattlefieldObject.
			battlefield.removeFromBattlefieldObjectList(master_object, self);
		}
	}

	return SCRIPT_CONTINUE;
}

/***** MESSAGEHANDLERS *************************************************/
messageHandler msgDestroyBattlefieldObject()
{

	//LOG("LOG_CHANNEL", "battlefield.battlefield_object::msgDestroyBattlefieldObject -- " + self);
	if (player_structure.isBuilding(self))
	{
		// If we are in a building, we need to kick everyone out of it before destroying.
		obj_id[] players = player_structure.getPlayersInBuilding(self);
		if (players != null)
		{
			for (int i = 0; i < players.length; i++)
				expelFromBuilding(players[i]);
		}
	}

	destroyObject(self);

	return SCRIPT_CONTINUE;
}


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


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