using System.Threading;
using UnityEngine;

[AddComponentMenu("Modifiers/Curve Deform")]
public class MegaCurveDeform : MegaModifier
{
	public MegaAxis axis;

	public AnimationCurve defCurve = new AnimationCurve(new Keyframe(0f, 0f), new Keyframe(0.5f, 0f), new Keyframe(1f, 0f));

	public float MaxDeviation = 1f;

	private float width;

	private int ax;

	public float Pos;

	public bool UsePos;

	private Keyframe key = default(Keyframe);

	private static object resourceLock = new object();

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

	public override string GetHelpURL()
	{
		return "?page_id=655";
	}

	public override void DoWork(MegaModifiers mc, int index, int start, int end, int cores)
	{
		if (selection != null)
		{
			DoWorkWeighted(mc, index, start, end, cores);
			return;
		}
		for (int i = start; i < end; i++)
		{
			sverts[i] = MapMT(i, verts[i]);
		}
	}

	public override void DoWorkWeighted(MegaModifiers mc, int index, int start, int end, int cores)
	{
		for (int i = start; i < end; i++)
		{
			Vector3 vector = verts[i];
			float num = selection[i];
			if (num > 0.001f)
			{
				Vector3 vector2 = MapMT(i, verts[i]);
				sverts[i].x = vector.x + (vector2.x - vector.x) * num;
				sverts[i].y = vector.y + (vector2.y - vector.y) * num;
				sverts[i].z = vector.z + (vector2.z - vector.z) * num;
			}
			else
			{
				sverts[i] = vector;
			}
		}
	}

	public Vector3 MapMT(int i, Vector3 p)
	{
		p = tm.MultiplyPoint3x4(p);
		float num = (p[ax] - bbox.min[ax]) / width;
		if (UsePos)
		{
			num += Pos;
		}
		Monitor.Enter(resourceLock);
		p.y += defCurve.Evaluate(num) * MaxDeviation;
		Monitor.Exit(resourceLock);
		return invtm.MultiplyPoint3x4(p);
	}

	public override Vector3 Map(int i, Vector3 p)
	{
		p = tm.MultiplyPoint3x4(p);
		float num = (p[ax] - bbox.min[ax]) / width;
		if (UsePos)
		{
			num += Pos;
		}
		p.y += defCurve.Evaluate(num) * MaxDeviation;
		return invtm.MultiplyPoint3x4(p);
	}

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

	public override bool Prepare(MegaModContext mc)
	{
		ax = (int)axis;
		width = bbox.max[ax] - bbox.min[ax];
		return true;
	}

	public float GetPos(float alpha)
	{
		return defCurve.Evaluate(alpha);
	}

	public void SetKey(int index, float t, float v, float intan, float outtan)
	{
		key.time = t;
		key.value = v;
		key.inTangent = intan;
		key.outTangent = outtan;
		defCurve.MoveKey(index, key);
	}
}