using System;
using UnityEngine;

namespace AmplifyImpostors
{
	public static class Texture2DEx
	{
		private static byte[] Footer = new byte[26]
		{
			0, 0, 0, 0, 0, 0, 0, 0, 84, 82,
			85, 69, 86, 73, 83, 73, 79, 78, 45, 88,
			70, 73, 76, 69, 46, 0
		};

		public static byte[] EncodeToTGA(this Texture2D tex, bool withAlpha = true)
		{
			int num = ((!withAlpha) ? 3 : 4);
			byte[] rawTextureData = tex.GetRawTextureData();
			int num2 = rawTextureData.Length;
			int width = tex.width;
			int height = tex.height;
			int num3 = num * (num2 / num);
			int num4 = num3;
			int num5 = Footer.Length;
			int num6 = 18 + num5 + num4;
			byte[] array = new byte[num6];
			int num7 = 0;
			array[num7++] = 0;
			array[num7++] = 0;
			array[num7++] = 2;
			array[num7++] = 0;
			array[num7++] = 0;
			array[num7++] = 0;
			array[num7++] = 0;
			array[num7++] = 0;
			array[num7++] = 0;
			array[num7++] = 0;
			array[num7++] = 0;
			array[num7++] = 0;
			array[num7++] = (byte)((width >> 0) & 0xFF);
			array[num7++] = (byte)((width >> 8) & 0xFF);
			array[num7++] = (byte)((height >> 0) & 0xFF);
			array[num7++] = (byte)((height >> 8) & 0xFF);
			array[num7++] = (byte)(8 * num);
			array[num7++] = 0;
			Array.Copy(rawTextureData, 0, array, num7, num2);
			num7 += num2;
			Array.Copy(Footer, 0, array, num7, num5);
			return array;
		}
	}
}