Added recipe resolver

Map Server/DataObjects/Recipe.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Meteor.Map.DataObjects
+{
+    class Recipe
+    {
+        public readonly uint resultItemID;
+        public readonly uint resultQuantity;
+        public readonly byte[] allowedCrafters;
+        public readonly byte tier;
+
+        public Recipe(uint resultItemID, uint resultQuantity, byte[] allowedCrafters, byte tier)
+        {
+            this.resultItemID = resultItemID;
+            this.resultQuantity = resultQuantity;
+            this.allowedCrafters = allowedCrafters;
+            this.tier = tier;
+        }
+    }
+}

Map Server/DataObjects/RecipeResolver.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Collections.Generic;
+using System.Security.Cryptography;
+
+namespace Meteor.Map.DataObjects
+{
+    class RecipeResolver
+    {
+        Dictionary<uint, Recipe>  recipeList;
+        Dictionary<string, List<Recipe>> matsToRecipes;
+
+        private RecipeResolver(Dictionary<uint, Recipe> recipeList, Dictionary<string, List<Recipe>> matsToRecipes)
+        {
+            this.recipeList = recipeList;
+            this.matsToRecipes = matsToRecipes;
+        }
+
+        public static RecipeResolver Init()
+        {
+            var recipeList = new Dictionary<uint, Recipe>();
+            var matToRecipes = new Dictionary<string, List<Recipe>>();
+
+            Database.GetRecipeGamedata(recipeList, matToRecipes);
+
+            return new RecipeResolver(recipeList, matToRecipes);
+        }
+
+        public List<Recipe> GetRecipeFromMats(uint mat1 = 0, uint mat2 = 0, uint mat3 = 0, uint mat4 = 0, uint mat5 = 0, uint mat6 = 0, uint mat7 = 0, uint mat8 = 0)
+        {
+            uint[] mats = new uint[8];
+            mats[0] = mat1;
+            mats[1] = mat2;
+            mats[2] = mat3;
+            mats[3] = mat4;
+            mats[4] = mat5;
+            mats[5] = mat6;
+            mats[6] = mat7;
+            mats[7] = mat8;
+
+            Array.Sort(mats);
+
+            byte[] result = new byte[8 * sizeof(int)];
+            Buffer.BlockCopy(mats, 0, result, 0, result.Length);
+            string hash;
+            using (MD5 md5 = MD5.Create())
+            {
+                hash = BitConverter.ToString(md5.ComputeHash(result));
+            }
+
+            if (matsToRecipes.ContainsKey(hash))
+                return matsToRecipes[hash];
+            else
+                return null;
+        }
+
+        public Recipe GetMatsForRecipe(uint recipeID)
+        {
+            if (recipeList.ContainsKey(recipeID))
+                return recipeList[recipeID];
+            else
+                return null;
+        }
+
+        public int GetNumRecipes()
+        {
+            return recipeList.Count;
+        }
+    }
+}