using System;
using UnityEngine;

[AddComponentMenu("Modifiers/Cylindrify")]
public class MegaCylindrify : MegaModifier
{
	public float Percent;

	public float Decay;

	private float size;

	private float per;

	public MegaAxis axis;

	private Matrix4x4 mat = default(Matrix4x4);

	public override string ModName()
	{
		return "Cylindrify";
	}

	public override string GetHelpURL()
	{
		return "?page_id=166";
	}

	public override Vector3 Map(int i, Vector3 p)
	{
		p = tm.MultiplyPoint3x4(p);
		float num = Mathf.Exp((0f - Decay) * p.magnitude);
		float num2 = (size / Mathf.Sqrt(p.x * p.x + p.z * p.z) / 2f - 1f) * per * num + 1f;
		p.x *= num2;
		p.z *= num2;
		return invtm.MultiplyPoint3x4(p);
	}

	public override bool ModLateUpdate(MegaModContext mc)
	{
		return Prepare(mc);
	}

	public void SetTM1()
	{
		tm = Matrix4x4.identity;
		MegaMatrix.RotateZ(ref tm, (0f - gizmoRot.z) * ((float)Math.PI / 180f));
		MegaMatrix.RotateY(ref tm, (0f - gizmoRot.y) * ((float)Math.PI / 180f));
		MegaMatrix.RotateX(ref tm, (0f - gizmoRot.x) * ((float)Math.PI / 180f));
		MegaMatrix.SetTrans(ref tm, gizmoPos + Offset);
		invtm = tm.inverse;
	}

	public override bool Prepare(MegaModContext mc)
	{
		mat = Matrix4x4.identity;
		switch (axis)
		{
		case MegaAxis.X:
			MegaMatrix.RotateZ(ref mat, (float)Math.PI / 2f);
			break;
		case MegaAxis.Y:
			MegaMatrix.RotateX(ref mat, -(float)Math.PI / 2f);
			break;
		}
		SetAxis(mat);
		float num = bbox.max.x - bbox.min.x;
		float num2 = bbox.max.z - bbox.min.z;
		size = ((!(num > num2)) ? num2 : num);
		per = Percent / 100f;
		return true;
	}
}