private void randomizeBackground(Background background)
	{
		int j = 256;
		for (int k = 0; k < anIntArray1190.length; k++)
			anIntArray1190[k] = 0;

		for (int l = 0; l < 5000; l++)
		{
			int i1 = (int) (Math.random() * 128D * (double) j);
			anIntArray1190[i1] = (int) (Math.random() * 256D);
		}

		for (int j1 = 0; j1 < 20; j1++)
		{
			for (int k1 = 1; k1 < j - 1; k1++)
			{
				for (int i2 = 1; i2 < 127; i2++)
				{
					int k2 = i2 + (k1 << 7);
					anIntArray1191[k2] = (anIntArray1190[k2 - 1]
							+ anIntArray1190[k2 + 1] + anIntArray1190[k2 - 128] + anIntArray1190[k2 + 128]) / 4;
				}

			}

			int ai[] = anIntArray1190;
			anIntArray1190 = anIntArray1191;
			anIntArray1191 = ai;
		}

		if (background != null)
		{
			int l1 = 0;
			for (int j2 = 0; j2 < background.anInt1453; j2++)
			{
				for (int l2 = 0; l2 < background.anInt1452; l2++)
					if (background.aByteArray1450[l1++] != 0)
					{
						int i3 = l2 + 16 + background.anInt1454;
						int j3 = j2 + 16 + background.anInt1455;
						int k3 = i3 + (j3 << 7);
						anIntArray1190[k3] = 0;
					}

			}

		}
	}