using UnityEngine;

[AddComponentMenu("Modifiers/Warps/Wave")]
public class MegaWaveWarp : MegaWarp
{
	public float amp;

	public float amp2;

	public float flex = 1f;

	public float wave = 1f;

	public float phase;

	public bool animate;

	public float Speed = 1f;

	public int divs = 4;

	public int numSegs = 4;

	public int numSides = 4;

	private float time;

	private float dy;

	private float dist;

	private float t;

	public override string WarpName()
	{
		return "Wave";
	}

	public override string GetIcon()
	{
		return "MegaWave icon.png";
	}

	public override string GetHelpURL()
	{
		return "?page_id=380";
	}

	public override Vector3 Map(int i, Vector3 p)
	{
		p = tm.MultiplyPoint3x4(p);
		Vector3 a = p;
		float magnitude = p.magnitude;
		float num = Mathf.Exp((0f - totaldecay) * Mathf.Abs(magnitude));
		float num2 = Mathf.Abs(2f * p.x / magnitude);
		num2 *= num2;
		p.z += flex * MegaUtils.WaveFunc(p.y, time, amp * (1f - num2) + amp2 * num2, wave, phase, dy);
		p = Vector3.Lerp(a, p, num);
		return invtm.MultiplyPoint3x4(p);
	}

	private void Update()
	{
		if (animate)
		{
			t += Time.deltaTime * Speed;
			phase = t;
		}
	}

	public override bool Prepare(float decay)
	{
		tm = base.transform.worldToLocalMatrix;
		invtm = tm.inverse;
		dist = wave / 10f * 4f * 5f;
		if (dist == 0f)
		{
			dist = 1f;
		}
		dy = Decay / 1000f;
		totaldecay = dy + decay;
		if (totaldecay < 0f)
		{
			totaldecay = 0f;
		}
		return true;
	}

	private void BuildMesh(float t)
	{
		Vector3 zero = Vector3.zero;
		Vector3 vector = Vector3.zero;
		float num = wave / (float)divs;
		float num2 = num * 4f;
		int num3 = (int)(num2 * (float)numSides * 0.5f);
		float num4 = (0f - (float)numSegs) / 2f * num;
		float num5 = (0f - (float)numSides) / 2f * num2;
		Gizmos.color = MegaWarp.gCol1;
		for (int i = 0; i <= numSides; i++)
		{
			zero.x = num5 + num2 * (float)i;
			float num6 = Mathf.Abs(zero.x / ((num3 == 0) ? 1E-05f : ((float)num3)));
			num6 *= num6;
			for (int j = 0; j <= numSegs; j++)
			{
				zero.y = num4 + (float)j * num;
				zero.z = MegaUtils.WaveFunc(zero.y, t, amp * (1f - num6) + amp2 * num6, wave, phase, Decay / 1000f);
				if (j > 0)
				{
					Gizmos.DrawLine(vector, zero);
				}
				vector = zero;
			}
		}
		Gizmos.color = MegaWarp.gCol2;
		for (int k = 0; k <= numSegs; k++)
		{
			zero.y = num4 + (float)k * num;
			for (int l = 0; l <= numSides; l++)
			{
				zero.x = num5 + num2 * (float)l;
				float num7 = Mathf.Abs(zero.x / ((num3 == 0) ? 1E-05f : ((float)num3)));
				num7 *= num7;
				zero.z = MegaUtils.WaveFunc(zero.y, t, amp * (1f - num7) + amp2 * num7, wave, phase, Decay / 1000f);
				if (l > 0)
				{
					Gizmos.DrawLine(vector, zero);
				}
				vector = zero;
			}
		}
	}

	public override void DrawGizmo(Color col)
	{
		SetGizCols(col.a);
		tm = Matrix4x4.identity;
		invtm = tm.inverse;
		if (Prepare(0f))
		{
			tm *= base.transform.localToWorldMatrix;
			invtm = tm.inverse;
			Gizmos.matrix = base.transform.localToWorldMatrix;
			BuildMesh(t);
		}
	}
}