Method determineBodyPartHit

game/state/battle/battleunit.cpp:1837–1874

}

BodyPart BattleUnit::determineBodyPartHit(StateRef<DamageType> damageType, Vec3<float> cposition,
                                          Vec3<float> direction)
{
	BodyPart bodyPartHit = BodyPart::Body;

	// FIXME: Ensure body part determination is correct
	// Assume top 25% is head, lower 25% is legs, and middle 50% is body/left/right
	float altitude = (cposition.z - position.z) * 40.0f / (float)getCurrentHeight();
	if (damageType->alwaysImpactsHead()) // gas deals damage to the head
	{
		bodyPartHit = BodyPart::Helmet;
	}
	else if (altitude > 0.75f)
	{
		bodyPartHit = BodyPart::Helmet;
	}
	else if (altitude < 0.25f)
	{
		bodyPartHit = BodyPart::Legs;
	}
	else
	{
		auto unitDir = glm::normalize(Vec3<float>{facing.x, facing.y, 0.0f});
		auto projectileDir = glm::normalize(Vec3<float>{direction.x, direction.y, 0.0f});
		auto cross = glm::cross(unitDir, projectileDir);
		int angle =
		    (int)((cross.z >= 0 ? -1 : 1) * glm::angle(unitDir, -projectileDir) / M_PI * 180.0f);
		if (angle > 45 && angle < 135)
		{
			bodyPartHit = BodyPart::RightArm;
		}
		else if (angle < -45 && angle > -135)
		{
			bodyPartHit = BodyPart::LeftArm;
		}
	}
	return bodyPartHit;
}

bool BattleUnit::handleCollision(GameState &state, Collision &c)
{