Function UPVEffects

TombEngine/Objects/TR3/Vehicles/upv.cpp:301–358

	}

	void UPVEffects(short itemNumber)
	{
		if (itemNumber == NO_VALUE)
			return;

		auto* UPVItem = &g_Level.Items[itemNumber];
		auto* UPV = GetUPVInfo(UPVItem);
		auto* laraItem = LaraItem.Get();
		auto* lara = GetLaraInfo(laraItem);

		if (lara->Context.Vehicle == itemNumber)
		{
			UPV->TurbineRotation += UPV->Velocity ? (UPV->Velocity / 8) : ANGLE(2.0f);
			UPV->LeftRudderRotation = (UPV->TurnRate.x + UPV->TurnRate.y) * 8;
			UPV->RightRudderRotation = (UPV->TurnRate.x + -UPV->TurnRate.y) * 8;

			if (UPV->Velocity)
			{
				auto pos = GetJointPosition(UPVItem, UPVBites[UPV_BITE_TURBINE]).ToVector3();
				TriggerUPVMist(pos.x, pos.y + UPV_SHIFT, pos.z, abs(UPV->Velocity) / VEHICLE_VELOCITY_SCALE, UPVItem->Pose.Orientation.y + ANGLE(180.0f));

				auto sphere = BoundingSphere(pos, BLOCK(1 / 32.0f));
				if (Random::TestProbability(1 / 2.0f))
				{
					auto bubblePos = Random::GeneratePointInSphere(sphere);
					int probedRoomNumber = GetPointCollision(bubblePos, UPVItem->RoomNumber).GetRoomNumber();
				
					for (int i = 0; i < 3; i++)
						SpawnBubble(bubblePos, probedRoomNumber, (int)BubbleFlags::HighAmplitude);
				}
			}
		}
	
		for (int lp = 0; lp < 2; lp++)
		{
			int random = 31 - (GetRandomControl() & 3);
			auto pos = GetJointPosition(UPVItem, UPVBites[UPV_BITE_FRONT_LIGHT].BoneID, Vector3i(
				UPVBites[UPV_BITE_FRONT_LIGHT].Position.x,
				UPVBites[UPV_BITE_FRONT_LIGHT].Position.y,
				(int)UPVBites[UPV_BITE_FRONT_LIGHT].Position.z << (lp * 6)
			));

			GameVector origin;
			if (lp == 1)
			{
				auto target = GameVector(pos, UPVItem->RoomNumber);
				LOS(&origin, &target);
				pos = Vector3i(target.x, target.y, target.z);
			}
			else
				origin = GameVector(pos, UPVItem->RoomNumber);

			SpawnDynamicLight(pos.x, pos.y, pos.z, 16 + (lp << 3), random, random, random);
		}

		if (UPV->HarpoonTimer)
			UPV->HarpoonTimer--;
	}