using UnityEngine;

[AddComponentMenu("Modifiers/FFD/FFD 3x3x3")]
public class MegaFFD3x3x3 : MegaFFD
{
	public override string ModName()
	{
		return "FFD3x3x3";
	}

	public override int GridSize()
	{
		return 3;
	}

	public override Vector3 Map(int ii, Vector3 p)
	{
		Vector3 zero = Vector3.zero;
		Vector3 vector = tm.MultiplyPoint3x4(p);
		if (inVol)
		{
			for (int i = 0; i < 3; i++)
			{
				if (vector[i] < 0f - EPSILON || vector[i] > 1f + EPSILON)
				{
					return p;
				}
			}
		}
		float num = 1f - vector.x;
		float num2 = 1f - vector.y;
		float num3 = 1f - vector.z;
		for (int j = 0; j < 3; j++)
		{
			float num4;
			switch (j)
			{
			case 0:
				num4 = num * num;
				break;
			case 1:
				num4 = 2f * vector.x * num;
				break;
			default:
				num4 = vector.x * vector.x;
				break;
			}
			for (int k = 0; k < 3; k++)
			{
				float num5;
				switch (k)
				{
				case 0:
					num5 = num4 * num2 * num2;
					break;
				case 1:
					num5 = num4 * 2f * vector.y * num2;
					break;
				default:
					num5 = num4 * vector.y * vector.y;
					break;
				}
				for (int l = 0; l < 3; l++)
				{
					float num6;
					switch (l)
					{
					case 0:
						num6 = num5 * num3 * num3;
						break;
					case 1:
						num6 = num5 * 2f * vector.z * num3;
						break;
					default:
						num6 = num5 * vector.z * vector.z;
						break;
					}
					int num7 = j * 9 + k * 3 + l;
					zero.x += pt[num7].x * num6;
					zero.y += pt[num7].y * num6;
					zero.z += pt[num7].z * num6;
				}
			}
		}
		return invtm.MultiplyPoint3x4(zero);
	}

	public override int GridIndex(int i, int j, int k)
	{
		return i * 9 + j * 3 + k;
	}
}