Method runDecisionTree

Source/Platformer/AI.cpp:52–157

}

bool AI::runDecisionTree(Unit* unit) {
	PROFILE("AI"_slice);
	if (unit->getBehaviorTree()) {
		return false;
	}

	Leaf* decisionTree = unit->getDecisionTree();
	if (!decisionTree) {
		return false;
	}

	_self = unit;

	_nearestUnit = nullptr;
	_nearestFriend = nullptr;
	_nearestEnemy = nullptr;
	_nearestNeutral = nullptr;

	float minUnitDistance = 0;
	float minFriendDistance = 0;
	float minEnemyDistance = 0;
	float minNeutralDistance = 0;

	Sensor* detectSensor = unit->getDetectSensor();
	if (detectSensor) {
		ARRAY_START(Body, body, detectSensor->getSensedBodies()) {
			Unit* aroundUnit = DoraAs<Unit>(body->getOwner());
			if (!aroundUnit) continue;

			_detectedUnits->add(Value::alloc(aroundUnit));

			float newDistance = unit->getPosition().distanceSquared(aroundUnit->getPosition());

			if (!_nearestUnit || newDistance < minUnitDistance) {
				minUnitDistance = newDistance;
				_nearestUnit = aroundUnit;
			}
			Relation relation = SharedData.getRelation(_self, aroundUnit);
			switch (relation) {
				case Relation::Friend:
					_friends->add(Value::alloc(aroundUnit));
					if (!_nearestFriend || newDistance < minFriendDistance) {
						minFriendDistance = newDistance;
						_nearestFriend = aroundUnit;
					}
					break;
				case Relation::Enemy:
					_enemies->add(Value::alloc(aroundUnit));
					if (!_nearestEnemy || newDistance < minEnemyDistance) {
						minEnemyDistance = newDistance;
						_nearestEnemy = aroundUnit;
					}
					break;
				case Relation::Neutral:
					_neutrals->add(Value::alloc(aroundUnit));
					if (!_nearestNeutral || newDistance < minNeutralDistance) {
						minNeutralDistance = newDistance;
						_nearestNeutral = aroundUnit;