Assets/Graphics/Materials/Node_mat.mat

@@ -7,7 +7,7 @@ Material:
   m_CorrespondingSourceObject: {fileID: 0}
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
-  m_Name: Node_Mat
+  m_Name: Node_mat
   m_Shader: {fileID: 46, guid: 0000000000000000f000000000000000, type: 0}
   m_ShaderKeywords: 
   m_LightmapFlags: 4

Assets/Logic/CustomerTableManager.cs

@@ -15,7 +15,7 @@ namespace Logic
         public int customerSpawnTime = 10;
         [SerializeField] private List<CustomerTable> customerTables;
         [SerializeField] private List<Recipe> availableRecipes;
-        
+
         private void Awake()
         {
             Instance = this;
@@ -51,10 +51,37 @@ namespace Logic
                 int randomTableNumber = Random.Range(0, customerTables.Count);
                 if (customerTables[randomTableNumber].state == TableState.Empty)
                 {
-                    AllergenType allergenType = Randomizer.GetRandomEnumElement<AllergenType>();
-                    int maxCalories = Randomizer.GetRandomIntInRange(400, 700);
-                    
-                    customerTables[randomTableNumber].customer = new Customer(allergenType, maxCalories);
+                    int randomInt = Randomizer.GetRandomIntInRange(0, 9);
+                    var dislikedIngredient = randomInt;
+                    int maxCalories = 240;
+                    randomInt = Randomizer.GetRandomIntInRange(0, 2);
+                    maxCalories += randomInt * 60;
+                    randomInt = Randomizer.GetRandomIntInRange(0, 1);
+                    string ifPizza = randomInt == 0 ? "yes" : "no";
+                    randomInt = Randomizer.GetRandomIntInRange(0, 1);
+                    string ifVegetarian = randomInt == 0 ? "yes" : "no";
+                    randomInt = Randomizer.GetRandomIntInRange(0, 4);
+                    int maxPrice = 8;
+                    switch (randomInt)
+                    {
+                        case 0:
+                            break;
+                        case 1:
+                            maxPrice = 10;
+                            break;
+                        case 2:
+                            maxPrice = 20;
+                            break;
+                        case 3:
+                            maxPrice = 25;
+                            break;
+                        case 4:
+                            maxPrice = 30;
+                            break;
+                    }
+
+                    customerTables[randomTableNumber].customer = new Customer(dislikedIngredient, maxCalories, maxPrice,
+                        ifPizza, ifVegetarian);
                     customerTables[randomTableNumber].state = TableState.WaitingForMenu;
                     UIManager.Instance.uiTableManager.ChangeStatus(randomTableNumber, TableState.WaitingForMenu);
                 }

Assets/Logic/Data/Customer.cs

@@ -1,18 +1,25 @@
 
 using System;
+using System.Collections.Generic;
 
 namespace Logic.Data
 {
     [Serializable]
     public class Customer
     {
-        public AllergenType allergenType;
-        public int maxCalories;
+        public int DislikedIngredient;
+        public int MaxCalories;
+        public int MaxPrice;
+        public string IfPizza;
+        public string IfVegetarian;
         
-        public Customer(AllergenType allergenType, int maxCalories)
+        public Customer(int dislikedIngredient, int maxCalories, int maxPrice, string ifPizza, string ifVegetarian)
         {
-            this.allergenType = allergenType;
-            this.maxCalories = maxCalories;
+            DislikedIngredient = dislikedIngredient;
+            MaxCalories = maxCalories;
+            MaxPrice = maxPrice;
+            IfPizza = ifPizza;
+            IfVegetarian = ifVegetarian;
         }
     }
 }

Assets/Logic/Data/Ingredient.cs

@@ -1,25 +1,11 @@
+using System.Collections.Generic;
+using UnityEngine;
+
 namespace Logic.Data
 {
-    public enum IngredientType
+    [CreateAssetMenu(fileName = "New Ingredient", menuName = "Inventory/Ingredient")]
+    public class Ingredient : ScriptableObject
     {
-        Type_I,
-        Type_II,
-        Type_III
-    }
-
-    public enum AllergenType
-    {
-        Null,
-        Allergen_I,
-        Allergen_II,
-        Allergen_III
-    }
-    
-    [System.Serializable]
-    public struct Ingredient
-    {
-        public string ingredientName;
-        public IngredientType type;
-        public AllergenType allergen;
+        public string IngredientName;
     }
 }

Assets/Logic/Data/Recipe.cs

@@ -6,10 +6,12 @@ namespace Logic.Data
     [CreateAssetMenu(fileName = "New Recipe", menuName = "Inventory/Recipe")]
     public class Recipe : Item
     {
+        public int Id;
         public string recipeName;
         public int kcal;
         public int tableNumber;
         public Food foodItem;
         public List<Ingredient> ingredients;
+
     }
 }

Assets/Logic/DecisionTree.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 5963a7b2a182f8e43950748c3f0aabff
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Logic/DecisionTree/Attribute.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using Newtonsoft.Json;
+
+[Serializable]
+public class Attribute
+{
+    [JsonConstructor]
+    public Attribute(string Name, List<object> AttributeValues, double InformationGain)
+    {
+        this.Name = Name;
+        this.AttributeValues = AttributeValues;
+        this.InformationGain = InformationGain;
+    }
+    public Attribute(string name, List<object> attributeValues)
+    {
+        Name = name;
+        AttributeValues = attributeValues;
+    }
+    public string Name { get; }
+    public List<object> AttributeValues { get; }
+    public double InformationGain { get; set; }
+
+    public static List<object> GetAttributeValues(DataTable table, int columnIndex)
+    {
+        var values = new List<object>();
+        for (int i = 0; i < table.Rows.Count; i++)
+        {
+            if (table.Rows[i][columnIndex] is int)
+            {
+                var found = values.Any(x => x is int intX && intX == (int) table.Rows[i][columnIndex]);
+                if (!found)
+                {
+                    values.Add(table.Rows[i][columnIndex]);
+                }
+            }
+            else if (table.Rows[i][columnIndex] is string)
+            {
+                var found = values.Any(x => x is string stringX && stringX == (string) table.Rows[i][columnIndex]);
+                if (!found)
+                {
+                    values.Add(table.Rows[i][columnIndex]);
+                }
+            }
+            else
+            {
+                var found = values.Any(x => x.Equals(table.Rows[i][columnIndex]));
+                if (!found)
+                {
+                    values.Add(table.Rows[i][columnIndex]);
+                }
+            }
+        }
+
+        return values;
+    }
+}

Assets/Logic/DecisionTree/Attribute.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 856fee5bd3f8ff542852d1d2bf657f01
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Logic/DecisionTree/Examples.cs

@@ -0,0 +1,43 @@
+using System.Collections.Generic;
+using System.Data;
+using System.IO;
+
+public static class Examples
+{
+    public static DataTable SelectionExamples()
+    {
+        var data = new DataTable();
+        data.Columns.Add("IfPizza");
+        data.Columns.Add("DislikedIngredient");
+        data.Columns.Add("Price");
+        data.Columns.Add("Kcal");
+        data.Columns.Add("TimeOfDay");
+        data.Columns.Add("IfVegetarian");
+        data.Columns.Add("Recipe");
+
+        using (var reader = new StreamReader(File.OpenRead("examples.csv")))
+        {
+            while (!reader.EndOfStream)
+            {
+                var line = reader.ReadLine();
+                var values = line.Split(';');
+                List<string> strings = new List<string>();
+                List<int> ints = new List<int>();
+                for (int i = 0; i < values.Length-1; i++)
+                {
+                    if (int.TryParse(values[i], out var result))
+                    {
+                        ints.Add(result);
+                    }
+                    else
+                    {
+                        strings.Add(values[i]);
+                    }
+                }
+
+                data.Rows.Add(strings[0], ints[0], ints[1], ints[2], strings[1], strings[2], ints[3]);
+            }
+        }
+        return data;
+    }
+}

Assets/Logic/DecisionTree/Examples.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 33c004ce39573f94588fca62d6793bb1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Logic/DecisionTree/Tree.cs

@@ -0,0 +1,290 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using Logic.Data;
+using UnityEngine;
+
+[Serializable]
+public class Tree
+{
+    public TreeNode Root { get; set; }
+
+    public static TreeNode Learn(DataTable examples, object edge, object defaultClass)
+    {
+        if (examples.Rows.Count == 0)
+        {
+            return new TreeNode(true, defaultClass, edge);
+        }
+
+        if (CheckIfAllExamplesHaveTheSameEndValue(examples))
+        {
+            return new TreeNode(true, examples.Rows[0][examples.Columns.Count - 1], edge);
+        }
+
+        List<object> knownValues;
+        List<int> valuesAmount;
+        double max;
+        int maxIndex;
+        if (examples.Columns.Count == 1)//1 a nie 0 bo w ostatniej kolumnie jest decyzja
+        {
+            knownValues = GetKnownValuesOfAttribute(examples, examples.Columns.Count - 1);
+            valuesAmount = GetValuesAmount(examples, examples.Columns.Count - 1);
+            max = double.MinValue;
+            maxIndex = -1;
+            for (int i = 0; i < valuesAmount.Count; i++)
+            {
+                if (valuesAmount[i] > max)
+                {
+                    max = valuesAmount[i];
+                    maxIndex = i;
+                }
+            }
+            return new TreeNode(true, knownValues[maxIndex], edge);
+        }
+
+
+        var root = GetRootNode(examples, edge);
+
+        knownValues = GetKnownValuesOfAttribute(examples, examples.Columns.Count - 1);
+        valuesAmount = GetValuesAmount(examples, examples.Columns.Count - 1);
+        max = double.MinValue;
+        maxIndex = -1;
+        for (int i = 0; i < valuesAmount.Count; i++)
+        {
+            if (valuesAmount[i] > max)
+            {
+                max = valuesAmount[i];
+                maxIndex = i;
+            }
+        }
+        var newDefaultClass = knownValues[maxIndex];
+
+        foreach (var x in root.NodeAttribute.AttributeValues)
+        {
+
+            var reducedTable = CreateSmallerTable(examples, x, root.TableIndex, true);
+
+            root.ChildNodes.Add(Learn(reducedTable, x, newDefaultClass));
+        }
+
+        return root;
+    }
+
+    public object GetResult(TreeNode node, Dictionary<string, object> queryValues)
+    {
+        if (node.IsLeaf)
+        {
+            return node.Name;
+        }
+        else
+        {
+            foreach (var childNode in node.ChildNodes)
+            {
+                foreach (var value in queryValues)
+                {
+                    if (childNode.Edge.ToString().Equals(value.Value.ToString()) && node.Name.Equals(value.Key))
+                    {
+                        queryValues.Remove(value.Key);
+                        return GetResult(childNode, queryValues);
+                    }
+                }
+            }
+        }
+
+        return null;
+    }
+
+    private static bool CheckIfAllExamplesHaveTheSameEndValue(DataTable examples)
+    {
+        var endValues = new List<object>();
+        for (int i = 0; i < examples.Rows.Count; i++)
+        {
+            endValues.Add(examples.Rows[i][examples.Columns.Count - 1]);
+        }
+
+        return !(endValues.Count > 0 && endValues.Any(x => x != endValues[0]));
+    }
+
+    private static TreeNode GetRootNode(DataTable examples, object edge)
+    {
+        var examplesEntropy = CalculateDataTableEntropy(examples);
+
+        var attributes = new List<Attribute>();
+        for (int i = 0; i < examples.Columns.Count - 1; i++)
+        {
+            var attributeValues = Attribute.GetAttributeValues(examples, i);
+            attributes.Add(new Attribute(examples.Columns[i].ToString(), attributeValues));
+        }
+
+        var attributeIndex = -1;
+        var highestInformationGain = double.MinValue;
+
+        for (int i = 0; i < attributes.Count; i++)
+        {
+            attributes[i].InformationGain = GetInformationGainForAttribute(examples, i, examplesEntropy);
+            if (attributes[i].InformationGain > highestInformationGain)
+            {
+                highestInformationGain = attributes[i].InformationGain;
+                attributeIndex = i;
+            }
+        }
+
+        return new TreeNode(attributes[attributeIndex].Name, attributeIndex, attributes[attributeIndex], edge);
+    }
+
+    private static double GetInformationGainForAttribute(DataTable examples, int attributeIndex, double examplesEntropy)
+    {
+        var sumElements = new List<double>();
+        var knownValues = GetKnownValuesOfAttribute(examples, attributeIndex);
+
+        foreach (var x in knownValues)
+        {
+            var table = CreateSmallerTable(examples, x, attributeIndex, false);
+            sumElements.Add((double) table.Rows.Count / examples.Rows.Count * CalculateDataTableEntropy(table));
+        }
+
+        return examplesEntropy - sumElements.Sum();
+    }
+
+    private static double CalculateDataTableEntropy(DataTable table)
+    {
+        var rows = table.Rows.Count;
+        var valuesAmount = GetValuesAmount(table, table.Columns.Count - 1);
+
+        return valuesAmount.Select(x => x / (double) rows).Select(x => -x * Math.Log(x, 2)).Sum();
+    }
+
+    public static List<int> GetValuesAmount(DataTable table, int indexOfColumn)
+    {
+        var foundValues = new List<int>();
+        var knownValues = GetKnownValuesOfAttribute(table, indexOfColumn);
+
+        foreach (var x in knownValues)
+        {
+            var amount = 0;
+            for (int i = 0; i < table.Rows.Count; i++)
+            {
+                if (table.Rows[i][indexOfColumn] is int intT && x is int intX)
+                {
+                    if (intX == intT)
+                    {
+                        amount++;
+                    }
+                }
+                else if (table.Rows[i][indexOfColumn] is string stringT && x is string stringX)
+                {
+                    if (stringT == stringX)
+                    {
+                        amount++;
+                    }
+                }
+                else
+                {
+                    if (table.Rows[i][indexOfColumn].Equals(x))
+                    {
+                        amount++;
+                    }
+                }
+            }
+            foundValues.Add(amount);
+        }
+
+        return foundValues;
+    }
+
+    public static List<object> GetKnownValuesOfAttribute(DataTable table, int indexOfColumn)
+    {
+        var knownValues = new List<object>();
+        if (table.Rows.Count > 0)
+        {
+            knownValues.Add(table.Rows[0][indexOfColumn]);
+        }
+
+        for (int i = 1; i < table.Rows.Count; i++)
+        {
+            if (table.Rows[i][indexOfColumn] is int)
+            {
+                var found = knownValues.All(x => x is int intX && intX != (int) table.Rows[i][indexOfColumn]);
+                if (found)
+                {
+                    knownValues.Add(table.Rows[i][indexOfColumn]);
+                }
+            }
+            else if (table.Rows[i][indexOfColumn] is string)
+            {
+                var found = knownValues.All(x => x is string stringX && stringX != (string) table.Rows[i][indexOfColumn]);
+                if (found)
+                {
+                    knownValues.Add(table.Rows[i][indexOfColumn]);
+                }
+            }
+            else
+            {
+                var found = knownValues.All(x => !x.Equals(table.Rows[i][indexOfColumn]));
+                if (found)
+                {
+                    knownValues.Add(table.Rows[i][indexOfColumn]);
+                }
+            }
+        }
+        return knownValues;
+    }
+
+    private static DataTable CreateSmallerTable(DataTable examples, object edgePointingToNextNode, int rootTableIndex, bool deleteColumn)
+    {
+        var smallerTable = new DataTable();
+        for (int i = 0; i < examples.Columns.Count; i++)
+        {
+            smallerTable.Columns.Add(examples.Columns[i].ToString());
+        }
+
+        for (int i = 0; i < examples.Rows.Count; i++)
+        {
+            if (examples.Rows[i][rootTableIndex] is int intE && edgePointingToNextNode is int intEdge)
+            {
+                if (intE == intEdge)
+                {
+                    var row = new object[examples.Columns.Count];
+                    for (int j = 0; j < examples.Columns.Count; j++)
+                    {
+                        row[j] = examples.Rows[i][j];
+                    }
+
+                    smallerTable.Rows.Add(row);
+                }
+            }
+            else if (examples.Rows[i][rootTableIndex] is string stringE && edgePointingToNextNode is string stringEdge)
+            {
+                if (stringE == stringEdge)
+                {
+                    var row = new object[examples.Columns.Count];
+                    for (int j = 0; j < examples.Columns.Count; j++)
+                    {
+                        row[j] = examples.Rows[i][j];
+                    }
+
+                    smallerTable.Rows.Add(row);
+                }
+            }
+            else
+            {
+                if (examples.Rows[i][rootTableIndex].Equals(edgePointingToNextNode))
+                {
+                    var row = new object[examples.Columns.Count];
+                    for (int j = 0; j < examples.Columns.Count; j++)
+                    {
+                        row[j] = examples.Rows[i][j];
+                    }
+
+                    smallerTable.Rows.Add(row);
+                }
+            }
+        }
+
+        if(deleteColumn)
+            smallerTable.Columns.Remove(smallerTable.Columns[rootTableIndex]);
+
+        return smallerTable;
+    }
+}

Assets/Logic/DecisionTree/Tree.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3ed05ad268b9d3f4086697e24f310156
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Logic/DecisionTree/TreeNode.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using Newtonsoft.Json;
+
+[Serializable]
+public class TreeNode
+{
+    [JsonConstructor]
+    public TreeNode(object Name, object Edge, Attribute NodeAttribute, List<TreeNode> ChildNodes, int TableIndex, bool IsLeaf)
+    {
+        this.Name = Name;
+        this.Edge = Edge;
+        this.NodeAttribute = NodeAttribute;
+        this.ChildNodes = ChildNodes;
+        this.TableIndex = TableIndex;
+        this.IsLeaf = IsLeaf;
+    }
+    public TreeNode(object name, int tableIndex, Attribute nodeAttribute, object edge)
+    {
+        Name = name;
+        Edge = edge;
+        NodeAttribute = nodeAttribute;
+        ChildNodes = new List<TreeNode>();
+        TableIndex = tableIndex;
+    }
+
+    public TreeNode(bool isLeaf, object name, object edge)
+    {
+        Name = name;
+        Edge = edge;
+        IsLeaf = isLeaf;
+    }
+    public object Name { get; }
+    public object Edge { get; }
+    public Attribute NodeAttribute { get; }
+    public List<TreeNode> ChildNodes { get; }
+    public int TableIndex { get; }
+    public bool IsLeaf { get; }
+}

Assets/Logic/DecisionTree/TreeNode.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 02afdb4f7d8c893439613c22a79918cb
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
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+  assetBundleVariant: 

Assets/Logic/Graph/CustomerTable.cs

@@ -1,6 +1,8 @@
 using System.Collections;
+using System.Collections.Generic;
 using Logic.Agent;
 using Logic.Data;
+using UnityEditor.SearchService;
 using UnityEngine;
 
 namespace Logic.Graph
@@ -50,23 +52,7 @@ namespace Logic.Graph
             _prepareRecipeCoroutine = StartCoroutine(HandleRecipePrepare(3));
         }
 
-        private IEnumerator HandleRecipePrepare(int secs)
-        {
-            yield return new WaitForSeconds(secs);
-            if (state == TableState.WaitingForWaitress)
-            {
-                StopCoroutine(_prepareRecipeCoroutine);
-            }
-            else
-            {
-                SetRandomRecipe();
-                Spawn();
-                IsFull = true;
-                state = TableState.WaitingForWaitress;
-                UIManager.Instance.uiTableManager.ChangeStatus(tableNumber, state);
-                UIManager.Instance.uiTableManager.ChangeItem(tableNumber, CurrentItem);
-            }
-        }
+        
 
         private void HandleRecipeReady()
         {
@@ -138,6 +124,45 @@ namespace Logic.Graph
             UIManager.Instance.uiTableManager.ChangeStatus(tableNumber, state);
             UIManager.Instance.uiTableManager.ChangeItem(tableNumber, null);
         }
+
+        private IEnumerator HandleRecipePrepare(int secs)
+        {
+            yield return new WaitForSeconds(secs);
+            if (state == TableState.WaitingForWaitress)
+            {
+                StopCoroutine(_prepareRecipeCoroutine);
+            }
+            else
+            {
+                var valuesForQuery = new Dictionary<string, object>();
+                valuesForQuery.Add("IfPizza", customer.IfPizza);
+                valuesForQuery.Add("DislikedIngredient", customer.DislikedIngredient);
+                valuesForQuery.Add("Price", customer.MaxPrice);
+                valuesForQuery.Add("Kcal", customer.MaxCalories);
+                valuesForQuery.Add("TimeOfDay", SceneContext.Instance.TimeOfDay);
+                valuesForQuery.Add("IfVegetarian", customer.IfVegetarian);
+                var decisionTree = SceneContext.Instance.DecisionTree;
+                var result = decisionTree.GetResult(decisionTree.Root, valuesForQuery);
+                var recipe =
+                    SceneContext.Instance.Recipes[int.Parse(result.ToString())];
+
+                if (recipe.name == "Null")
+                {
+                    SetRandomRecipe();
+                }
+                else
+                {
+                    CurrentItem = Instantiate(recipe);
+                    state = TableState.WaitingForFood;
+                    UIManager.Instance.uiTableManager.ChangeStatus(tableNumber, state);
+                }
+                Spawn();
+                IsFull = true;
+                state = TableState.WaitingForWaitress;
+                UIManager.Instance.uiTableManager.ChangeStatus(tableNumber, state);
+                UIManager.Instance.uiTableManager.ChangeItem(tableNumber, CurrentItem);
+            }
+        }
         
         private void SetRandomRecipe()
         {

Assets/Logic/SceneContext.cs

@@ -1,8 +1,10 @@
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
+using Logic.Data;
 using Logic.Graph;
+using Newtonsoft.Json;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace Logic
 {
@@ -14,12 +16,46 @@ namespace Logic
         public float rotationCost;
         public bool useAStar = true;
         public static SceneContext Instance;
+        public List<Recipe> Recipes = new List<Recipe>();
+        public string TimeOfDay = "morning";
+        public Tree DecisionTree;
 
         void Awake()
         {
             Instance = this;
             Application.targetFrameRate = 144;
             map = GetComponentsInChildren<Node>().ToList();
+            DecisionTree = LoadOrLearnDecisionTree();
+        }
+
+        private Tree LoadOrLearnDecisionTree()
+        {
+            if (File.Exists("DecisionTree.json"))
+            {
+                var tree = JsonConvert.DeserializeObject<Tree>(File.ReadAllText("DecisionTree.json"));
+                return tree;
+            }
+            else
+            {
+                var examples = Examples.SelectionExamples();
+                var knownValues = Tree.GetKnownValuesOfAttribute(examples, examples.Columns.Count - 1);
+                var valuesAmount = Tree.GetValuesAmount(examples, examples.Columns.Count - 1);
+                var max = double.MinValue;
+                var maxIndex = -1;
+                for (int i = 0; i < valuesAmount.Count; i++)
+                {
+                    if (valuesAmount[i] > max)
+                    {
+                        max = valuesAmount[i];
+                        maxIndex = i;
+                    }
+                }
+
+                var tree = new Tree {Root = Tree.Learn(examples, null, knownValues[maxIndex])};
+                var treeJson = JsonConvert.SerializeObject(tree);
+                File.WriteAllText("DecisionTree.json", treeJson);
+                return tree;
+            }
         }
 
         private void DrawGizmosFrom(Node from, List<Node> without)

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+    {
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+      "url" : "https://npm.cloudsmith.io/jillejr/newtonsoft-json-for-unity",
+      "scopes" : [
+        "jillejr.newtonsoft.json-for-unity"
+      ]
+    }
+  ]
+}

Packages/packages-lock.json

@@ -111,6 +111,13 @@
         "com.unity.modules.imgui": "1.0.0"
       }
     },
+    "jillejr.newtonsoft.json-for-unity": {
+      "version": "13.0.102",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://npm.cloudsmith.io/jillejr/newtonsoft-json-for-unity"
+    },
     "com.unity.modules.ai": {
       "version": "1.0.0",
       "depth": 0,

ProjectSettings/PackageManagerSettings.asset

@@ -24,20 +24,28 @@ MonoBehaviour:
     m_Scopes: []
     m_IsDefault: 1
     m_Capabilities: 7
+  - m_Id: scoped:jilleJr
+    m_Name: jilleJr
+    m_Url: https://npm.cloudsmith.io/jillejr/newtonsoft-json-for-unity
+    m_Scopes:
+    - jillejr.newtonsoft.json-for-unity
+    m_IsDefault: 0
+    m_Capabilities: 0
   m_UserSelectedRegistryName: 
   m_UserAddingNewScopedRegistry: 0
   m_RegistryInfoDraft:
     m_ErrorMessage: 
     m_Original:
-      m_Id: 
-      m_Name: 
-      m_Url: 
-      m_Scopes: []
+      m_Id: scoped:jilleJr
+      m_Name: jilleJr
+      m_Url: https://npm.cloudsmith.io/jillejr/newtonsoft-json-for-unity
+      m_Scopes:
+      - jillejr.newtonsoft.json-for-unity
       m_IsDefault: 0
       m_Capabilities: 0
     m_Modified: 0
-    m_Name: 
-    m_Url: 
+    m_Name: jilleJr
+    m_Url: https://npm.cloudsmith.io/jillejr/newtonsoft-json-for-unity
     m_Scopes:
-    - 
+    - jillejr.newtonsoft.json-for-unity
     m_SelectedScopeIndex: 0