using System;
namespace NW4RTools {
	public static class Misc {
		public static int AlignUp(int val, int to) {
			return (val + (to - 1)) & ~(to - 1);
		}

		public static uint AlignUp(uint val, uint to) {
			return (val + (to - 1)) & ~(to - 1);
		}

		public static int AlignDown(int val, int to) {
			return val & ~(to - 1);
		}

		public static uint AlignDown(uint val, uint to) {
			return val & ~(to - 1);
		}


		public static void Assert(bool condition) {
			if (!condition)
				throw new Exception("Assert failed");
		}
		public static void Assert(bool condition, string format, params object[] args) {
			if (!condition)
				throw new Exception(String.Format(format, args));
		}


		public static bool ArrayCompare<T>(T[] one, T[] two) {
			if (one == two)
				return true;
			if (one == null || two == null)
				return false;
			if (one.Length != two.Length)
				return false;

			for (int i = 0; i < one.Length; i++) {
				if (!one[i].Equals(two[i]))
					return false;
			}

			return true;
		}


		public static int ArrayHash<T>(T[] arr) {
			if (arr == null)
				return 0xEA7BEEF;

			int hash = 0;

			for (int i = 0; i < arr.Length; i++)
				hash ^= arr[i].GetHashCode();

			return hash;
		}
	}
}