Forgot to commit these

2016-08-28 17:05:39 +03:00
parent f14242ca81
commit 7e644ebb9d
2 changed files with 30 additions and 1 deletions
@@ -365,6 +365,35 @@ namespace Barotrauma

            return inputType;
        }
+
+        /// <summary>
+        /// Calculates the minimum number of single-character edits (i.e. insertions, deletions or substitutions) required to change one string into the other
+        /// </summary>
+        public static int LevenshteinDistance(string s, string t)
+        {
+            int n = s.Length;
+            int m = t.Length;
+            int[,] d = new int[n + 1, m + 1];
+
+            if (n == 0 || m == 0) return 0;
+
+            for (int i = 0; i <= n; d[i, 0] = i++);
+            for (int j = 0; j <= m; d[0, j] = j++);
+
+            for (int i = 1; i <= n; i++)
+            {
+                for (int j = 1; j <= m; j++)
+                {
+                    int cost = (t[j - 1] == s[i - 1]) ? 0 : 1;
+
+                    d[i, j] = Math.Min(
+                        Math.Min(d[i - 1, j] + 1, d[i, j - 1] + 1),
+                        d[i - 1, j - 1] + cost);
+                }
+            }
+            
+            return d[n, m];
+        }
        
        public static string WrapText(string text, float lineLength, SpriteFont font)
        {