namespace UnityEngine.AzureSky
{
	public class AzureFlyCamera : MonoBehaviour
	{
		public float mainSpeed = 100f;

		public float shiftAdd = 250f;

		public float maxShift = 1000f;

		public float camSens = 0.25f;

		public bool rotateOnlyIfMousedown = true;

		public bool movementStaysFlat = true;

		private Vector3 lastMouse = new Vector3(255f, 255f, 255f);

		private float totalRun = 1f;

		private void Update()
		{
			if (Input.GetMouseButtonDown(1))
			{
				lastMouse = Input.mousePosition;
			}
			if (!rotateOnlyIfMousedown || (rotateOnlyIfMousedown && Input.GetMouseButton(1)))
			{
				lastMouse = Input.mousePosition - lastMouse;
				lastMouse = new Vector3((0f - lastMouse.y) * camSens, lastMouse.x * camSens, 0f);
				lastMouse = new Vector3(base.transform.eulerAngles.x + lastMouse.x, base.transform.eulerAngles.y + lastMouse.y, 0f);
				base.transform.eulerAngles = lastMouse;
				lastMouse = Input.mousePosition;
			}
			Vector3 vector = GetBaseInput();
			if (Input.GetKey(KeyCode.LeftShift))
			{
				totalRun += Time.deltaTime;
				vector = vector * totalRun * shiftAdd;
				vector.x = Mathf.Clamp(vector.x, 0f - maxShift, maxShift);
				vector.y = Mathf.Clamp(vector.y, 0f - maxShift, maxShift);
				vector.z = Mathf.Clamp(vector.z, 0f - maxShift, maxShift);
			}
			else
			{
				totalRun = Mathf.Clamp(totalRun * 0.5f, 1f, 1000f);
				vector *= mainSpeed;
			}
			vector *= Time.deltaTime;
			Vector3 position = base.transform.position;
			if (Input.GetKey(KeyCode.Space) || (movementStaysFlat && (!rotateOnlyIfMousedown || !Input.GetMouseButton(1))))
			{
				base.transform.Translate(vector);
				position.x = base.transform.position.x;
				position.z = base.transform.position.z;
				base.transform.position = position;
			}
			else
			{
				base.transform.Translate(vector);
			}
		}

		private Vector3 GetBaseInput()
		{
			Vector3 result = default(Vector3);
			if (Input.GetKey(KeyCode.W))
			{
				result += new Vector3(0f, 0f, 1f);
			}
			if (Input.GetKey(KeyCode.S))
			{
				result += new Vector3(0f, 0f, -1f);
			}
			if (Input.GetKey(KeyCode.A))
			{
				result += new Vector3(-1f, 0f, 0f);
			}
			if (Input.GetKey(KeyCode.D))
			{
				result += new Vector3(1f, 0f, 0f);
			}
			return result;
		}
	}
}