using UnityEngine;

public class MegaPointCacheInstance : MonoBehaviour
{
	[HideInInspector]
	public MegaPointCache mod;

	[HideInInspector]
	public MegaModifyObject modobj;

	public GameObject obj;

	[HideInInspector]
	public Mesh mesh;

	public float time;

	public float speed = 1f;

	public int updateRate;

	public int frame;

	public bool recalcNorms = true;

	public bool recalcBounds = true;

	public void SetSource(GameObject srcobj)
	{
		if ((bool)srcobj)
		{
			if (this.mesh == null)
			{
				this.mesh = MegaUtils.GetMesh(base.gameObject);
			}
			Mesh mesh = MegaUtils.GetMesh(srcobj);
			if (mesh.vertexCount == this.mesh.vertexCount)
			{
				obj = srcobj;
				mod = srcobj.GetComponent<MegaPointCache>();
				modobj = srcobj.GetComponent<MegaModifyObject>();
				this.mesh = MegaUtils.GetMesh(base.gameObject);
			}
		}
	}

	private void Update()
	{
		if (!mod || !modobj || !mesh)
		{
			return;
		}
		time += Time.deltaTime * speed;
		frame--;
		if (frame < 0)
		{
			frame = updateRate;
			mod.ModifyInstance(modobj, time);
			mesh.vertices = mod.sverts;
			if (recalcNorms)
			{
				mesh.RecalculateNormals();
			}
			if (recalcBounds)
			{
				mesh.RecalculateBounds();
			}
		}
	}
}