using UnityEngine;

[AddComponentMenu("Modifiers/Vertex Anim")]
public class MegaVertexAnim : MegaModifier
{
	public float time;

	public bool animated;

	public float speed = 1f;

	public float maxtime = 4f;

	public int[] NoAnim;

	public float weight = 1f;

	public MegaAnimatedVert[] Verts;

	private float t;

	public MegaBlendAnimMode blendMode = MegaBlendAnimMode.Additive;

	public MegaRepeatMode LoopMode = MegaRepeatMode.PingPong;

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

	public override string GetHelpURL()
	{
		return "?page_id=1350";
	}

	private void Replace(MegaModifiers mc, int startvert, int endvert)
	{
		for (int i = startvert; i < endvert; i++)
		{
			MegaBezVector3KeyControl con = Verts[i].con;
			Vector3 vector = con.GetVector3(t);
			for (int j = 0; j < Verts[i].indices.Length; j++)
			{
				sverts[Verts[i].indices[j]] = vector;
			}
		}
	}

	private void ReplaceWeighted(MegaModifiers mc, int startvert, int endvert)
	{
		for (int i = startvert; i < endvert; i++)
		{
			MegaBezVector3KeyControl con = Verts[i].con;
			Vector3 vector = con.GetVector3(t);
			float num = mc.selection[Verts[i].indices[0]] * weight;
			Vector3 vector2 = verts[Verts[i].indices[0]];
			vector = vector2 + (vector - vector2) * num;
			for (int j = 0; j < Verts[i].indices.Length; j++)
			{
				sverts[Verts[i].indices[j]] = vector;
			}
		}
	}

	private void Additive(MegaModifiers mc, int startvert, int endvert)
	{
		for (int i = startvert; i < endvert; i++)
		{
			MegaBezVector3KeyControl con = Verts[i].con;
			Vector3 vector = mc.verts[Verts[i].indices[0]];
			Vector3 vector2 = con.GetVector3(t) - vector;
			vector2 = verts[Verts[i].indices[0]] + vector2 * weight;
			for (int j = 0; j < Verts[i].indices.Length; j++)
			{
				int num = Verts[i].indices[j];
				sverts[num] = vector2;
			}
		}
	}

	private void AdditiveWeighted(MegaModifiers mc, int startvert, int endvert)
	{
		for (int i = startvert; i < endvert; i++)
		{
			MegaBezVector3KeyControl con = Verts[i].con;
			Vector3 vector = mc.verts[Verts[i].indices[0]];
			Vector3 vector2 = con.GetVector3(t) - vector;
			float num = mc.selection[Verts[i].indices[0]] * weight;
			Vector3 vector3 = verts[Verts[i].indices[0]];
			vector2 = vector3 + (vector2 - vector3) * num;
			for (int j = 0; j < Verts[i].indices.Length; j++)
			{
				int num2 = Verts[i].indices[j];
				sverts[num2] = vector2;
			}
		}
	}

	public override void Modify(MegaModifiers mc)
	{
		switch (blendMode)
		{
		case MegaBlendAnimMode.Additive:
			Additive(mc, 0, Verts.Length);
			break;
		case MegaBlendAnimMode.Replace:
			Replace(mc, 0, Verts.Length);
			break;
		}
		if (NoAnim != null)
		{
			for (int i = 0; i < NoAnim.Length; i++)
			{
				int num = NoAnim[i];
				sverts[num] = verts[num];
			}
		}
	}

	public override bool ModLateUpdate(MegaModContext mc)
	{
		if (animated)
		{
			time += Time.deltaTime * speed;
		}
		switch (LoopMode)
		{
		case MegaRepeatMode.Loop:
			t = Mathf.Repeat(time, maxtime);
			break;
		case MegaRepeatMode.PingPong:
			t = Mathf.PingPong(time, maxtime);
			break;
		case MegaRepeatMode.Clamp:
			t = Mathf.Clamp(time, 0f, maxtime);
			break;
		}
		return Prepare(mc);
	}

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

	public override void DoWork(MegaModifiers mc, int index, int start, int end, int cores)
	{
		ModifyCompressedMT(mc, index, cores);
	}

	public void ModifyCompressedMT(MegaModifiers mc, int tindex, int cores)
	{
		int num = NoAnim.Length / cores;
		int num2 = tindex * num;
		int num3 = num2 + num;
		if (tindex == cores - 1)
		{
			num3 = NoAnim.Length;
		}
		if (NoAnim != null)
		{
			for (int i = num2; i < num3; i++)
			{
				int num4 = NoAnim[i];
				sverts[num4] = verts[num4];
			}
		}
		num = Verts.Length / cores;
		num2 = tindex * num;
		num3 = num2 + num;
		if (tindex == cores - 1)
		{
			num3 = Verts.Length;
		}
		switch (blendMode)
		{
		case MegaBlendAnimMode.Additive:
			Additive(mc, num2, num3);
			break;
		case MegaBlendAnimMode.Replace:
			Replace(mc, num2, num3);
			break;
		}
	}
}