using UnityEngine;

public class TyreRipple : MonoBehaviour
{
	public MegaDynamicRipple surface;

	public float force = 1f;

	private bool lastdown;

	private float lastrow;

	private float lastcol;

	private Collider col;

	private Vector3 lastpos = Vector3.zero;

	private void Update()
	{
		if (!surface)
		{
			return;
		}
		col = surface.GetComponent<Collider>();
		if ((bool)col)
		{
			Vector3 position = base.transform.position;
			if (position != lastpos)
			{
				lastpos = position;
				Ray ray = new Ray(position, Vector3.down);
				RaycastHit hitInfo;
				if (col.Raycast(ray, out hitInfo, 20f))
				{
					if (col is BoxCollider)
					{
						Vector3 vector = surface.transform.worldToLocalMatrix.MultiplyPoint(hitInfo.point);
						BoxCollider boxCollider = (BoxCollider)col;
						if (boxCollider.size.x != 0f)
						{
							vector.x /= boxCollider.size.x;
						}
						if (boxCollider.size.y != 0f)
						{
							vector.y /= boxCollider.size.y;
						}
						if (boxCollider.size.z != 0f)
						{
							vector.z /= boxCollider.size.z;
						}
						vector.x += 0.5f;
						vector.y += 0.5f;
						vector.z += 0.5f;
						float num = 0f;
						float num2 = 0f;
						switch (surface.axis)
						{
						case MegaAxis.X:
							num = vector.y * (float)(surface.cols - 1);
							num2 = vector.z * (float)(surface.rows - 1);
							break;
						case MegaAxis.Y:
							num = vector.x * (float)(surface.cols - 1);
							num2 = vector.z * (float)(surface.rows - 1);
							break;
						case MegaAxis.Z:
							num = vector.x * (float)(surface.cols - 1);
							num2 = vector.y * (float)(surface.rows - 1);
							break;
						}
						if (lastdown)
						{
							surface.Line(lastcol, lastrow, num, num2, 0f - force);
						}
						else
						{
							surface.wakeAtPointAdd1((int)num, (int)num2, 0f - force);
						}
						lastdown = true;
						lastrow = num2;
						lastcol = num;
					}
					else
					{
						float num3 = (1f - hitInfo.textureCoord.x) * (float)(surface.cols - 1);
						float num4 = hitInfo.textureCoord.y * (float)(surface.rows - 1);
						if (lastdown)
						{
							surface.Line(lastcol, lastrow, num3, num4, 0f - force);
						}
						else
						{
							surface.wakeAtPointAdd1((int)num3, (int)num4, 0f - force);
						}
						lastdown = true;
						lastrow = num4;
						lastcol = num3;
					}
				}
				else
				{
					lastdown = false;
				}
			}
			else
			{
				lastdown = false;
			}
		}
		else
		{
			lastdown = false;
		}
	}
}