using UnityEngine;

[AddComponentMenu("Modifiers/Warps/Melt")]
public class MegaMeltWarp : MegaWarp
{
	public float Amount;

	public float Spread = 19f;

	public MegaMeltMat MaterialType;

	public float Solidity = 1f;

	public MegaAxis axis;

	public bool FlipAxis;

	private float zba;

	private float size;

	private float bulger;

	private float ybr;

	private float zbr;

	private float visvaluea;

	private int confiner;

	private int vistypea;

	private float cx;

	private float cy;

	private float cz;

	private float xsize;

	private float ysize;

	private float zsize;

	private float ooxsize;

	private float ooysize;

	private float oozsize;

	public float flatness = 0.1f;

	private Vector3 max = Vector3.zero;

	private Vector3 min = Vector3.zero;

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

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

	public override string GetHelpURL()
	{
		return "?page_id=2566";
	}

	private float hypot(float x, float y)
	{
		return Mathf.Sqrt(x * x + y * y);
	}

	public override Vector3 Map(int i, Vector3 p)
	{
		float num = 0f;
		float num2 = 0f;
		float num3 = 0f;
		p = tm.MultiplyPoint3x4(p);
		Vector3 a = p;
		float num4 = p.x;
		float num5 = p.y;
		float num6 = p.z;
		float num7 = num4 - cx;
		float num8 = num5 - cy;
		float num9 = num6 - cz;
		if (num7 == 0f && num8 == 0f && num9 == 0f)
		{
			num7 = (num8 = (num9 = 1f));
		}
		if (num4 == 0f && num5 == 0f && num6 == 0f)
		{
			num4 = (num5 = (num6 = 1f));
		}
		float num10 = Mathf.Sqrt(num7 * num7 + num8 * num8 + num9 * num9);
		float t = Mathf.Exp((0f - totaldecay) * Mathf.Abs(num10));
		float num11 = size / num10;
		if (axis == MegaAxis.Z)
		{
			float num12 = num7 + Mathf.Sign(num7) * (Mathf.Abs(num7 * num11) * (bulger * ybr));
			float num13 = num8 + Mathf.Sign(num8) * (Mathf.Abs(num8 * num11) * (bulger * ybr));
			num4 = num12 + cx;
			num5 = num13 + cy;
		}
		if (axis == MegaAxis.Y)
		{
			float num12 = num7 + Mathf.Sign(num7) * (Mathf.Abs(num7 * num11) * (bulger * ybr));
			float num13 = num9 + Mathf.Sign(num9) * (Mathf.Abs(num9 * num11) * (bulger * ybr));
			num4 = num12 + cx;
			num6 = num13 + cz;
		}
		if (axis == MegaAxis.X)
		{
			float num12 = num9 + Mathf.Sign(num9) * (Mathf.Abs(num9 * num11) * (bulger * ybr));
			float num13 = num8 + Mathf.Sign(num8) * (Mathf.Abs(num8 * num11) * (bulger * ybr));
			num6 = num12 + cz;
			num5 = num13 + cy;
		}
		if (axis == MegaAxis.Z)
		{
			num3 = hypot(max.x - cx, max.y - cy);
		}
		if (axis == MegaAxis.Y)
		{
			num3 = hypot(max.x - cx, max.z - cz);
		}
		if (axis == MegaAxis.X)
		{
			num3 = hypot(max.z - cz, max.y - cy);
		}
		if (axis == MegaAxis.Z)
		{
			num = hypot(num4 - cx, num5 - cy);
			num2 = num3 - hypot(num4 - cx, num5 - cy);
		}
		if (axis == MegaAxis.Y)
		{
			num = hypot(num4 - cx, num6 - cz);
			num2 = num3 - hypot(num4 - cx, num6 - cz);
		}
		if (axis == MegaAxis.X)
		{
			num = hypot(num6 - cz, num5 - cy);
			num2 = num3 - hypot(num6 - cz, num5 - cy);
		}
		if (num2 < 0f)
		{
			num2 = 0f;
		}
		num += num2 / visvaluea;
		if (axis == MegaAxis.Z)
		{
			if (FlipAxis)
			{
				float num14 = min.z + (num6 - min.z) * oozsize * flatness;
				num6 -= num * bulger;
				if (num6 <= num14)
				{
					num6 = num14;
				}
				if (num6 <= num14 + zbr)
				{
					num6 = num14 + zbr;
				}
			}
			else
			{
				float num15 = max.z - (max.z - num6) * oozsize * flatness;
				num6 += num * bulger;
				if (num6 >= num15)
				{
					num6 = num15;
				}
				if (num6 >= num15 + zbr)
				{
					num6 = num15 + zbr;
				}
			}
		}
		if (axis == MegaAxis.Y)
		{
			if (!FlipAxis)
			{
				float num16 = min.y + (num5 - min.y) * ooysize * flatness;
				num5 -= num * bulger;
				if (num5 <= num16)
				{
					num5 = num16;
				}
				if (num5 <= num16 + zbr)
				{
					num5 = num16 + zbr;
				}
			}
			else
			{
				float num17 = max.y - (max.y - num5) * ooysize * flatness;
				num5 += num * bulger;
				if (num5 >= num17)
				{
					num5 = num17;
				}
				if (num5 >= num17 + zbr)
				{
					num5 = num17 + zbr;
				}
			}
		}
		if (axis == MegaAxis.X)
		{
			if (!FlipAxis)
			{
				float num18 = min.x + (num4 - min.x) * ooxsize * flatness;
				num4 -= num * bulger;
				if (num4 <= num18)
				{
					num4 = num18;
				}
				if (num4 <= num18 + zbr)
				{
					num4 = num18 + zbr;
				}
			}
			else
			{
				float num19 = max.x - (max.x - num4) * ooxsize * flatness;
				num4 += num * bulger;
				if (num4 >= num19)
				{
					num4 = num19;
				}
				if (num4 >= num19 + zbr)
				{
					num4 = num19 + zbr;
				}
			}
		}
		p.x = num4;
		p.y = num5;
		p.z = num6;
		p = Vector3.Lerp(a, p, t);
		p = invtm.MultiplyPoint3x4(p);
		return p;
	}

	public override bool Prepare(float decay)
	{
		tm = base.transform.worldToLocalMatrix;
		invtm = tm.inverse;
		cx = 0f;
		cz = 0f;
		cy = 0f;
		xsize = Width;
		ysize = Height;
		zsize = Length;
		ooxsize = 1f / xsize;
		ooysize = 1f / ysize;
		oozsize = 1f / zsize;
		size = ((!(xsize > ysize)) ? ysize : xsize);
		size = ((!(zsize > size)) ? size : zsize);
		size /= 2f;
		min.x = (0f - Width) * 0.5f;
		min.z = (0f - Length) * 0.5f;
		min.y = 0f;
		max.x = Width * 0.5f;
		max.z = Length * 0.5f;
		max.y = Height;
		switch (MaterialType)
		{
		case MegaMeltMat.Ice:
			visvaluea = 2f;
			break;
		case MegaMeltMat.Glass:
			visvaluea = 12f;
			break;
		case MegaMeltMat.Jelly:
			visvaluea = 0.4f;
			break;
		case MegaMeltMat.Plastic:
			visvaluea = 0.7f;
			break;
		case MegaMeltMat.Custom:
			visvaluea = Solidity;
			break;
		}
		if (Amount < 0f)
		{
			Amount = 0f;
		}
		ybr = Spread / 100f;
		zbr = zba / 10f;
		bulger = Amount / 100f;
		totaldecay = Decay + decay;
		if (totaldecay < 0f)
		{
			totaldecay = 0f;
		}
		return true;
	}
}