/**********************************************************************

 *
 * Title:        quest_creature
 * Description:  Script that attaches to any creature spawned via the quest
 *		 spawner

 **********************************************************************/


/***** INCLUDES ********************************************************/


/***** CONSTANTS *******************************************************/
const string VAR_SPAWNER_CURRENT_POPULATION		= "quest_spawner.current_pop";
const string VAR_SPAWNED_BY				= "quest_spawner.spawned_by";

/***** TRIGGERS ********************************************************/
trigger OnIncapacitated(obj_id attacker)
{
	LOG("quests", "quest_creature.OnIncapacitated(" + self + ", " + attacker + ") - notifying spawner");
	notifySpawner();	
	return SCRIPT_CONTINUE;
}

trigger OnDestroy()
{
	LOG("quests", "quest_creature.OnDestroy(" + self + ") - notifying spawner");
	if(! isIncapacitated(self))
		notifySpawner();
	return SCRIPT_CONTINUE;
}

/***** MESSAGEHANDLERS *************************************************/


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


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

void notifySpawner()
{
	obj_id self = getSelf();
	obj_id spawner = getObjIdObjVar(self, VAR_SPAWNED_BY);
	if (isIdValid(spawner))
	{
		if (spawner.isLoaded())
		{
			if (hasObjVar(spawner, VAR_SPAWNER_CURRENT_POPULATION))
			{
				// If the spawner isn't keeping track of current population, don't decrement the counter.
				int population = getIntObjVar(spawner, VAR_SPAWNER_CURRENT_POPULATION);
				setObjVar(spawner, VAR_SPAWNER_CURRENT_POPULATION, population - 1);
				//LOG("LOG_CHANNEL", "population ->" + population);
			}
			else
			{
				LOG("quests", "quest_creature.notifySpawner(" + self + ") - spawner doesn't have objvar " + VAR_SPAWNER_CURRENT_POPULATION);
			}
		}
		else
		{
			LOG("quests", "quest_creature.notifySpawner(" + self + ") - spawner " + spawner + " isn't loaded");
		}
	}
	else
	{
			LOG("quests", "quest_creature.notifySpawner(" + self + ") - invalid spawner id");
	}
}