using UnityEngine;

[AddComponentMenu("Modifiers/Selection/Vert Color")]
public class MegaVertColSelect : MegaSelectionMod
{
	public MegaChannel channel;

	private float[] modselection;

	public float gizSize = 0.01f;

	public bool displayWeights = true;

	public float weight = 1f;

	public float threshold;

	public bool update = true;

	public override MegaModChannel ChannelsReq()
	{
		return MegaModChannel.Col;
	}

	public override string ModName()
	{
		return "Vert Color Select";
	}

	public override string GetHelpURL()
	{
		return "?page_id=1305";
	}

	public float[] GetSel()
	{
		return modselection;
	}

	public override void GetSelection(MegaModifiers mc)
	{
		if (!ModEnabled)
		{
			return;
		}
		if (modselection == null || modselection.Length != mc.verts.Length)
		{
			modselection = new float[mc.verts.Length];
		}
		if (update)
		{
			update = false;
			if (mc.cols != null && mc.cols.Length > 0)
			{
				int index = (int)channel;
				for (int i = 0; i < mc.verts.Length; i++)
				{
					modselection[i] = (mc.cols[i][index] - threshold) / (1f - threshold) * weight;
				}
			}
			else
			{
				for (int j = 0; j < mc.verts.Length; j++)
				{
					modselection[j] = weight;
				}
			}
		}
		mc.selection = modselection;
	}
}